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National Weather Service (NWS) National Weather Service (NWS)
National Weather Service (NWS)

This collection contains reports and materials published by the National Weather Service and NWS researchers. Included are technical reports and memorandums, as well as special publications and some video covering a variety of topics such as climate science, space weather, the atmosphere and meteorology.

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2001 - 2050 of 4293 Results
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    AN AFOS Q-VECTOR PROGRAM UTILIZING RDDEL FORECAST DATA
    Cite
    Filetype[PDF - 2.47 MB]
    Personal Author:
    James R. Fors
    1988 | Central Region Technical Attachment ; 88-41
    Description:
    The vertical motion field is an important "bottom line" in any operational weather forecast as it is directly related to cloud cover and precipitation...
    File Type:
    Filetype[PDF - 2.47 MB]
    File Type:
    Filetype[PDF - 2.47 MB]
    THE EFFECT OF WIND AND TEMPERATURE ON HUMANS
    Cite
    Filetype[PDF - 1002.07 KB]
    Personal Author:
    Joseph T. Schaefer
    1988 | Central Region Technical Attachment ; 88-5
    Description:
    Antarctic explorers Paul Siple and Charles Passel measured the time required for 250 grams of water in a plastic container to freeze under various wea...
    File Type:
    Filetype[PDF - 1002.07 KB]
    File Type:
    Filetype[PDF - 1002.07 KB]
    USING MID-LEVEL RADAR ECHOES AS A CLUE TO SEVERE STORM MOVEMENT
    Cite
    Filetype[PDF - 1.85 MB]
    Personal Author:
    Mark E. Ewens
    1988 | Central Region Technical Attachment ; 88-6
    Description:
    The "First Echo Aloft" signature (Lemon, 1977) has been a good indication of developing severe weather, and a good guide to potential storm severity. ...
    File Type:
    Filetype[PDF - 1.85 MB]
    File Type:
    Filetype[PDF - 1.85 MB]
    MOS GUIDANCE ... CAN IT GET MUCH BETTER?
    Cite
    Filetype[PDF - 658.28 KB]
    Personal Author:
    Craig Edwards
    1988 | Central Region Technical Attachment ; 88-3
    Description:
    For over a decade Indianapolis has been verifying the local forecast high and lew temperature against Model Output Statistics (MOS) for the first thre...
    File Type:
    Filetype[PDF - 658.28 KB]
    File Type:
    Filetype[PDF - 658.28 KB]
    A statistical-dynamical model for prediction of tropical cyclone motion in the eastern North Pacific Ocean
    Cite
    Filetype[PDF - 4.58 MB]
    Personal Author:
    Leftwich, Preston W.
    1981 | NOAA technical memorandum NWS WR ; 169
    Description:
    A statistical-dynamical model, EPHC81, has been formulated to predict tropical cyclone motion in the Eastern North Pacific Ocean. Predictors utlized i...
    File Type:
    Filetype[PDF - 4.58 MB]
    File Type:
    Filetype[PDF - 4.58 MB]
    Comparison of NMC/NCAR reanalysis with 1987 FIFE data
    Cite
    Filetype[PDF - 2.27 MB]
    Personal Author:
    Betts, Alan K. ;
    Hong, Song-You
    ...
    1995 | Office note (National Meteorological Center (U.S.)) ; 410
    Description:
    Data from the FIFE experiment of the Summer of 1987 are used to assess the diurnal and seasonal cycles of the surface energy budget and boundary layer...
    File Type:
    Filetype[PDF - 2.27 MB]
    File Type:
    Filetype[PDF - 2.27 MB]
    NORTH DAKOTA DROUGTT 1987-88
    Cite
    Filetype[PDF - 2.20 MB]
    Personal Author:
    John W. Enz ;
    Jay K. Larsen
    ...
    1988 | Central Region Technical Attachment ; 88-32
    Description:
    Drought is defined as a period of below average precipitation which causes serious hydrologic imbalance (crop damage, water supply shortage, etc.). Fo...
    File Type:
    Filetype[PDF - 2.20 MB]
    File Type:
    Filetype[PDF - 2.20 MB]
    THE MIDDLESBORO, KENTUCKY TORNADO OF 1988
    Cite
    Filetype[PDF - 4.61 MB]
    Personal Author:
    Jeffrey A. Johnson
    1989 | Central Region Technical Attachment ; 89-15
    Description:
    On the morning of May 9, 1988, a strong short wave trough was moving east, through the Upper Mississippi Valley. A surface low was centered over Wisco...
    File Type:
    Filetype[PDF - 4.61 MB]
    File Type:
    Filetype[PDF - 4.61 MB]
    THE RELATIONSHIP BETWEEN WEATHER PARAMETERS AND THE 10 HOUR TIME LAG FUEL MOISTURE
    Cite
    Filetype[PDF - 1.44 MB]
    Personal Author:
    Hugh G. McCrandal ;
    Michael S. Weiland
    ...
    1989 | Central Region Technical Attachment ; 89-13
    Description:
    A relationship exists between various weather parameters and the 10 hour time lag fuel moisture (EM). Temperature (T), wind speed (WS), relative humid...
    File Type:
    Filetype[PDF - 1.44 MB]
    File Type:
    Filetype[PDF - 1.44 MB]
    CONVECTIVE DEVELOPMENT OVER YELLOWSTONE FIRES
    Cite
    Filetype[PDF - 8.47 MB]
    Personal Author:
    William T. Ehrker
    1989 | Central Region Technical Attachment ; 89-1
    Description:
    The summer of 1988 will long be remembered in Wyoming as the year the forests burned. On June 23, lightning started the Fan Fire in Yellowstone Nation...
    File Type:
    Filetype[PDF - 8.47 MB]
    File Type:
    Filetype[PDF - 8.47 MB]
    USING FROFILER DATA - A REAL WORLD EXAMPLE
    Cite
    Filetype[PDF - 1.83 MB]
    Personal Author:
    Steven D. Kays
    1988 | Central Region Technical Attachment ; 88-31
    Description:
    Colorado wind profilers are providing the first lcok at new technology that will be with us in the weather service of the future. The basic data are a...
    File Type:
    Filetype[PDF - 1.83 MB]
    File Type:
    Filetype[PDF - 1.83 MB]
    RELATIVE SURFACE WIND ANALYSIS ... A CASE STUDY
    Cite
    Filetype[PDF - 1.52 MB]
    Personal Author:
    Richard S. Leblang
    1989 | Central Region Technical Attachment ; 89-12
    Description:
    When analyzing the surface wind field for areas of convergence and, hence, vertical notion, it is oftentimes of value to subtract out the mean wind co...
    File Type:
    Filetype[PDF - 1.52 MB]
    File Type:
    Filetype[PDF - 1.52 MB]
    A CASE OF MID-LEVEL VORTICITY CONTRIBUTION TO TORNADIC DEVELOPMENT
    Cite
    Filetype[PDF - 2.80 MB]
    Personal Author:
    Stephen F. Byrd
    1988 | Central Region Technical Attachment ; 88-9
    Description:
    On the evening of March 14, 1987 between 1655 and 1715 CST, two tornadoes touched down in south-central Nebraska. The first F1 tornado at 1655 CST occ...
    File Type:
    Filetype[PDF - 2.80 MB]
    File Type:
    Filetype[PDF - 2.80 MB]
    A CASE FOR THE HUMAN ELEMENT - SUBJECTIVE ANALYSIS
    Cite
    Filetype[PDF - 1.37 MB]
    Personal Author:
    William A. Abeiing
    1989 | Central Region Technical Attachment ; 89-25
    Description:
    The following example illustrates how one piece of corrupt data can change the character of a forecast. It also serves as an example of hew important ...
    File Type:
    Filetype[PDF - 1.37 MB]
    File Type:
    Filetype[PDF - 1.37 MB]
    Post-print volume, Third National Heavy Precipitation Workshop, Pittsburgh, Pennsylvania, November 16-20, 1992
    Cite
    Filetype[PDF - 13.72 MB]
    Corporate Authors:
    United States, National Weather Service., Eastern Region., Scientific Services Division,
    1993 | NOAA technical memorandum NWS ER ; 87
    No Description
    File Type:
    Filetype[PDF - 13.72 MB]
    File Type:
    Filetype[PDF - 13.72 MB]
    A Guide to F-Scale Damage Assessment
    Cite
    Filetype[PDF - 43.81 MB]
    Corporate Authors:
    United States. National Weather Service
    2003
    Description:
    Recent tornado events have highlighted the need for a definitive F-scale assessment guide to assist our field personnel in conducting reliable post-st...
    File Type:
    Filetype[PDF - 43.81 MB]
    File Type:
    Filetype[PDF - 43.81 MB]
    Preliminary analysis of the San Francisco rainfall record, 1849-1990
    Cite
    Filetype[PDF - 1.45 MB]
    Personal Author:
    Null, Jan
    1991 | NOAA technical memorandum NWS WR ; 212
    Description:
    "During the 1980s, the State of California had experienced a wide swing from too little to too much water and back again. To plan for and mitigate suc...
    File Type:
    Filetype[PDF - 1.45 MB]
    File Type:
    Filetype[PDF - 1.45 MB]
    RADID interpretation guidelines
    Cite
    Filetype[PDF - 1.42 MB]
    Personal Author:
    Pappas, Roger G.
    1986 | NOAA technical memorandum NWS WR ; 195
    Description:
    "Color weather radar remoting systems have greatly increased the availability of near real-time radar data to NWS forecasters, FSS specialists, milita...
    File Type:
    Filetype[PDF - 1.42 MB]
    File Type:
    Filetype[PDF - 1.42 MB]
    A climatology of flash flood events for the National Weather Service Eastern Region
    Cite
    Filetype[PDF - 5.22 MB]
    Personal Author:
    Cope, Alan M.
    2009 | NOAA technical memorandum NWS ER ; 103
    Description:
    A climatology of flash flood events for the National Weather Service Eastern Region (NWS-ER) is presented. Flash flood events from 1986 to 2007 within...
    File Type:
    Filetype[PDF - 5.22 MB]
    File Type:
    Filetype[PDF - 5.22 MB]
    Severe thunderstorm cases of 1985
    Cite
    Filetype[PDF - 2.76 MB]
    Personal Author:
    Hales, John E. ;
    Crowther, Hugh G.
    1986 | NOAA technical memorandum NWS NSSFC ; 11
    No Description
    File Type:
    Filetype[PDF - 2.76 MB]
    File Type:
    Filetype[PDF - 2.76 MB]
    How to broadcast selected NOAA weather radio products over the Internet
    Cite
    Filetype[PDF - 80.21 KB]
    Personal Author:
    Hagarty, Dan
    2006 | Eastern Region technical attachment (National Weather Service (U.S.)) ; no. 2006-02
    Description:
    "This paper discusses how the Weather Forecast Office Philadelphia/Mount Holly NJ deploys and presents selected audio products from the NOAA Weather R...
    File Type:
    Filetype[PDF - 80.21 KB]
    File Type:
    Filetype[PDF - 80.21 KB]
    FLASH FLOOD OF JUNE 30, 1988
    Cite
    Filetype[PDF - 4.12 MB]
    Personal Author:
    Richard P. McNulty
    1988 | Central Region Technical Attachment ; 88-37
    Description:
    The purpose of this paper is to compare the measured rainfall with RADAP and satellite rainfall estimates. The 24-hour rainfall ending at 7:00 a.m. CD...
    File Type:
    Filetype[PDF - 4.12 MB]
    File Type:
    Filetype[PDF - 4.12 MB]
    LOCAL WARNING FLASH FLOOD PROGRAMS
    Cite
    Filetype[PDF - 1.75 MB]
    Personal Author:
    Lawrence L. Longsdorf
    1988 | Central Region Technical Attachment ; 88-30
    Description:
    Local Warning Flash Flood Programs (LWFFP's) are fairly common within Gentral Region, yet very few LWFFP's are classified as complete. The best proced...
    File Type:
    Filetype[PDF - 1.75 MB]
    File Type:
    Filetype[PDF - 1.75 MB]
    Assessing Fire Weather Services from the Public Perspecitive
    Cite
    Filetype[PDF - 10.07 MB]
    Corporate Authors:
    United States. National Weather Service. ...
    2018
    Description:
    ERG conducted interviews, focus groups, and a survey with NWS forecasters, partners and/or members of the public (including those with and without fir...
    File Type:
    Filetype[PDF - 10.07 MB]
    File Type:
    Filetype[PDF - 10.07 MB]
    Flash Flood Services for the Future: Flash Flood Summit and Focus Group Findings
    Cite
    Filetype[PDF - 7.13 MB]
    Corporate Authors:
    United States. National Weather Service. ...
    2015
    Description:
    On September 9–11, 2014, the NWS convened a two-and-a-half-day Flash Flood Summit to begin refining the vision for the future of U.S. flash flood se...
    File Type:
    Filetype[PDF - 7.13 MB]
    File Type:
    Filetype[PDF - 7.13 MB]
    Mother's Day weekend tornado in Oklahoma and Missouri, May 10, 2008
    Cite
    Filetype[PDF - 1.55 MB]
    Corporate Authors:
    United States, National Weather Service,
    2009 | Service assessment
    Description:
    "Mother's Day Weekend, May 10-11, 2008, brought severe weather to many sections of the country. The greatest impact was in northeast Oklahoma and sout...
    File Type:
    Filetype[PDF - 1.55 MB]
    File Type:
    Filetype[PDF - 1.55 MB]
    La Plata, Maryland, tornado outbreak of April 28, 2002
    Cite
    Filetype[PDF - 2.41 MB]
    Corporate Authors:
    United States, National Weather Service,
    2002 | Service assessment
    Description:
    "A violent tornado, rated F4 on the Fujita Tornado Intensity Scale (see appendix A), moved across southern Maryland and devastated the town of La Plat...
    File Type:
    Filetype[PDF - 2.41 MB]
    File Type:
    Filetype[PDF - 2.41 MB]
    Operational system for predicting thunderstorms two to six hours in advance
    Cite
    Filetype[PDF - 6.83 MB]
    Personal Author:
    Charba, Jerome P. (Jerome Paul), 1944-
    1977 | NOAA technical memorandum NWS TDL ; 64
    Description:
    We have developed an implemented in the National Weather Service an objective method yielding probabilities of thunderstorms 2-6 hr in advance. The pr...
    File Type:
    Filetype[PDF - 6.83 MB]
    File Type:
    Filetype[PDF - 6.83 MB]
    Creation of AFOS graphics using the IBM 360/195
    Cite
    Filetype[PDF - 2.38 MB]
    Personal Author:
    VanBlargan, Edward Joseph ;
    Olsen, Billy G.
    1983 | Hydro technical note
    No Description
    File Type:
    Filetype[PDF - 2.38 MB]
    File Type:
    Filetype[PDF - 2.38 MB]
    Improved barotropic hurricane track prediction by adjustment of the initial wind field
    Cite
    Filetype[PDF - 396.75 KB]
    Personal Author:
    Pike, Arthur C.
    1972 | NOAA technical memorandum NWS SR ; 66
    No Description
    File Type:
    Filetype[PDF - 396.75 KB]
    File Type:
    Filetype[PDF - 396.75 KB]
    Probabilities and extremes of solar radiation by climatic week
    Cite
    Filetype[PDF - 1.62 MB]
    Personal Author:
    Getz, Rodger R.
    1979 | NOAA technical memorandum NWS SR ; 98
    No Description
    File Type:
    Filetype[PDF - 1.62 MB]
    File Type:
    Filetype[PDF - 1.62 MB]
    Midwestern snowstorm models and the February 1973 storm over Georgia
    Cite
    Filetype[PDF - 1.07 MB]
    Personal Author:
    Harms, Rheinhart W.
    1973 | NOAA technical memorandum NWS SR ; 74
    No Description
    File Type:
    Filetype[PDF - 1.07 MB]
    File Type:
    Filetype[PDF - 1.07 MB]
    Second National Winter Weather Workshop : conducted by the National Weather Service, Raleigh, North Carolina, 26-30 September 1988 : postprints
    Cite
    Filetype[PDF - 9.73 MB]
    Personal Author:
    Lee, Laurence G.
    1989 | NOAA technical memorandum NWS ER ; 82
    No Description
    File Type:
    Filetype[PDF - 9.73 MB]
    File Type:
    Filetype[PDF - 9.73 MB]
    Climate of Miles City, Montana
    Cite
    Filetype[PDF - 1.96 MB]
    Personal Author:
    Spector, David A. ;
    Strobin, Mark H.
    2000 | NOAA technical memorandum NWS WR ; 262
    Description:
    "Miles City is located on the western edge of the northern Great Plains in a shallow part of the Yellowstone River Valley. The Tongue River runs south...
    File Type:
    Filetype[PDF - 1.96 MB]
    File Type:
    Filetype[PDF - 1.96 MB]
    Super Tuesday tornado outbreak of February 5-6, 2008
    Cite
    Filetype[PDF - 1.27 MB]
    Corporate Authors:
    United States, National Weather Service,
    2009 | Service assessment
    Description:
    "During a 12-hour period in the evening and early morning of February 5-6, 2008, 87 tornadoes occurred in nine states with 57 fatalities in four state...
    File Type:
    Filetype[PDF - 1.27 MB]
    File Type:
    Filetype[PDF - 1.27 MB]
    Spectral techniques in ocean wave forecasting
    Cite
    Filetype[PDF - 2.21 MB]
    Personal Author:
    Jannuzzi, John A.
    1978 | NOAA technical memorandum NWS WR ; 133
    Description:
    "(WBTM) WR-51 "Western Region Sea State and Surf Forecaster's Manual" was prepared as a ready-reference for operational techniques of wind wave, swell...
    File Type:
    Filetype[PDF - 2.21 MB]
    File Type:
    Filetype[PDF - 2.21 MB]
    Collection and use of lightning strike data in the western U.S. during summer 1983
    Cite
    Filetype[PDF - 2.51 MB]
    Personal Author:
    Rasch, Glenn E. ;
    Mathewson, Mark.
    1984 | NOAA technical memorandum NWS WR ; 184
    Description:
    "Since 1977, the Bureau of Land Management (BLH) has operated an Automatic Lightning Detection system (ALDS) in the western United Stated. The primary...
    File Type:
    Filetype[PDF - 2.51 MB]
    File Type:
    Filetype[PDF - 2.51 MB]
    The removal of stagnant winter air masses from Wyoming's Wind River Basin
    Cite
    Filetype[PDF - 2.08 MB]
    Personal Author:
    Cox, Gary L. ;
    Graham, Jeffrey M.
    1988 | NOAA technical memorandum NWS CR ; 94
    No Description
    File Type:
    Filetype[PDF - 2.08 MB]
    File Type:
    Filetype[PDF - 2.08 MB]
    Observed microbursts in the NWS Southern Region during 1986, four case studies
    Cite
    Filetype[PDF - 3.90 MB]
    Personal Author:
    Sohl, Christopher J.
    1987 | NOAA technical memorandum NWS SR ; 121
    No Description
    File Type:
    Filetype[PDF - 3.90 MB]
    File Type:
    Filetype[PDF - 3.90 MB]
    PP-tools : a climatological forecast aid for aviation forecasters
    Cite
    Filetype[PDF - 828.21 KB]
    Personal Author:
    Hicks, Thomas M.
    1995 | NOAA technical memorandum NWS SR ; 171
    No Description
    File Type:
    Filetype[PDF - 828.21 KB]
    File Type:
    Filetype[PDF - 828.21 KB]
    The Northeast Nevada climate book
    Cite
    Filetype[PDF - 44.71 MB]
    Personal Author:
    Gorelow, Andrew C. ;
    Clark, Edwin C.
    1998 | NOAA technical memorandum NWS WR ; 247 (Revised)
    Description:
    "This Technical memorandum covers the five-county area of northern and northeastern Nevada. The five counties are: Elko, Eureka, Humbolt, Lander, and ...
    File Type:
    Filetype[PDF - 44.71 MB]
    File Type:
    Filetype[PDF - 44.71 MB]
    Climate of Sheridan, Wyoming
    Cite
    Filetype[PDF - 1.65 MB]
    Personal Author:
    Zeltwanger, Jeffrey J. ;
    Strobin, Mark H.
    ...
    2001 | NOAA technical memorandum NWS WR ; 265
    Description:
    Sheridan is located east of the Rocky Mountains at an elevation around 4,000 feet. To the northwest, east, and southeast are rolling hills, but to the...
    File Type:
    Filetype[PDF - 1.65 MB]
    File Type:
    Filetype[PDF - 1.65 MB]
    Annual data and verification tabulation, Atlantic tropical cyclones, 1978
    Cite
    Filetype[PDF - 7.70 MB]
    Personal Author:
    Hebert, Paul J.
    1979 | NOAA technical memorandum NWS NHC ; 9
    No Description
    File Type:
    Filetype[PDF - 7.70 MB]
    File Type:
    Filetype[PDF - 7.70 MB]
    Use of operational 0-6 and 3-9 h quantitative precipitation forecasts for predicting heavy rain events
    Cite
    Filetype[PDF - 25.54 MB]
    Personal Author:
    Charba, Jerome P. (Jerome Paul), 1944- ;
    Moeller, Joel T.
    1989 | NOAA technical memorandum NWS TDL ; 80
    Description:
    New 0-6 and 3-9 h objective quantitative precipitation forecasts (OBJ) for the conterminous United States have been recently implemented in the Nation...
    File Type:
    Filetype[PDF - 25.54 MB]
    File Type:
    Filetype[PDF - 25.54 MB]
    A meteorological and radar analysis of the central Texas tornado outbreak on May 27, 1997
    Cite
    Filetype[PDF - 975.27 KB]
    Personal Author:
    Morgan, Carl ;
    Orrock, Jeff
    ...
    1998 | NOAA technical memorandum NWS SR ; 198
    No Description
    File Type:
    Filetype[PDF - 975.27 KB]
    File Type:
    Filetype[PDF - 975.27 KB]
    AFOS-ERA forecast verification
    Cite
    Filetype[PDF - 7.14 MB]
    Personal Author:
    Ruth, David P. ;
    Alex, Christine L.
    1987 | NOAA Techniques Development Laboratory computer program NWS TDL CP ; 87-2
    No Description
    File Type:
    Filetype[PDF - 7.14 MB]
    File Type:
    Filetype[PDF - 7.14 MB]
    A precipitation climatology for the hydrologic service area of NWSO Nashville, Tennessee
    Cite
    Filetype[PDF - 1.36 MB]
    Personal Author:
    Troutman, Timothy W. ;
    Rose, Mark A. (Mark Anthony), 1951-
    1999 | NOAA technical memorandum NWS SR ; 202
    No Description
    File Type:
    Filetype[PDF - 1.36 MB]
    File Type:
    Filetype[PDF - 1.36 MB]
    Use of surface observations in boundary-layer analysis
    Cite
    Filetype[PDF - 13.19 MB]
    Personal Author:
    Mogil, H. Michael ;
    Bonner, William D.
    1972 | NOAA technical memorandum NWS TDL ; 44
    Description:
    Methods of objective analysis have been developed that use surface reports to enhance the resolution of radiosonde data. Experiments performed compare...
    File Type:
    Filetype[PDF - 13.19 MB]
    File Type:
    Filetype[PDF - 13.19 MB]
    Tornadic supercell over Dade and Broward counties (Florida) on January 15, 1991
    Cite
    Filetype[PDF - 2.11 MB]
    Personal Author:
    Edwards, Roger, 1967-
    1992 | NOAA technical memorandum NWS SR ; 140
    No Description
    File Type:
    Filetype[PDF - 2.11 MB]
    File Type:
    Filetype[PDF - 2.11 MB]
    An investigation of forcing mechanisms during a surprise tornadic thunderstorm
    Cite
    Filetype[PDF - 2.47 MB]
    Personal Author:
    Rogash, Joseph A.
    1990 | NOAA technical memorandum NWS SR ; 128
    No Description
    File Type:
    Filetype[PDF - 2.47 MB]
    File Type:
    Filetype[PDF - 2.47 MB]
2001 - 2050 / 4293
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