Thunderstorm Wind, Lawrence
- When
- May 20, 3:30 AM EST
- Where
- Lawrence County, Pulaski
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $2,000
- Reported by
- TRAINED SPOTTER
- Coordinates
- 41.117, -80.450
Trees blew down, blocking road.
Damaging Wind in Pennsylvania, May 20, 2004
1 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $2,000
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pittsburgh, PA wrote its last area forecast discussion before the first event at May 20, 1:55 AM EST, 1 hour 35 minutes earlier.
Area forecast discussion, May 20, 1:55 AM EST, 1 hour 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 255 AM EDT THU MAY 20 2004 TSRA BACK IN THE FORECAST AS WARM FRONT EXPECTED TO LIFT OVR THE CWA IN ADVANCE OF SHRTWV/MCS XG THE GREAT LAKES AREA THIS MRNG. SCATTERED...MAINLY AFTN ACTIVITY IS EXPECTED TO BECOME MORE WIDESPREAD TNGT IN THE FORM OF AN MCS...CURRENTLY EXPECTED ACRS THE SRN HALF OF THE CWA AS PER ETA DEPICTION/TRACK OF SPPRTG MID LVL FEATURES. HAVE BUMPED OVRNGT POPS IN THIS AREA TO LIKELY NMBRS. OTHERWISE...HAVE ADJUSTED POPS FOR THE WEEKEND A BIT TO BTR REFLECT DIURNAL NATURE OF EXPECTED TSRA DVLPMNT AS MID LVL RIDGE AXIS SHIFT E WITH ADVN OF WRN STATES TROF. NRN ZONES POPS MAINTAINED LONGER TO ACCOUNT FOR SHRTWVS XG THE RIDGE. && .PBZ WATCHES/WARNINGS/ADVISORIES... PA...NONE. OH...NONE. WV...NONE. MD...NONE. && 15
Hazardous weather outlook, May 19, 11:20 AM EST, 16 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 1220 PM EDT WED MAY 19 2004 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-190857- ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA- CARROLL OH-CLARION PA-COLUMBIANA OH-COSHOCTON OH-FAYETTE PA- FOREST PA-GARRETT MD-GREENE PA-GUERNSEY OH-HANCOCK WV-HARRISON OH- INDIANA PA-JEFFERSON PA-JEFFERSON OH-LAWRENCE PA-MARION WV- MARSHALL WV-MERCER PA-MONONGALIA WV-MONROE OH-MUSKINGUM OH-NOBLE OH- OHIO WV-PRESTON WV-TUCKER WV-TUSCARAWAS OH-VENANGO PA-WASHINGTON PA- WESTMORELAND PA-WETZEL WV- 1220 PM EDT WED MAY 19 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY DOWNPOURS ARE EXPECTED ACROSS THE AREA THIS AFTERNOON AND EARLY THIS EVENING ESPECIALLY OVER NORTHERN WEST VIRGINIA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER NORTHERN WEST VIRGINIA THIS AFTERNOON AND THIS EVENING AS A COLD FRONT SAGS SOUTHWARD. THE PRIMARY THREAT WILL BE FROM HAIL AND DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE ENTIRE AREA ON THURSDAY AND FRIDAY. THE PRIMARY THREAT WILL AGAIN BE FROM HAIL AND DAMAGING WIND GUSTS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED.
The radar
The Pittsburgh radar (KPBZ), 68 km away, was scanning. The volume nearest the first event began at 08:28 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Texas, May 20, 2004
- Flash Flood in New York, May 20 to 21, 2004
- Flash Flooding and Hail in Wisconsin, May 20, 2004
- Lightning Strike and Heavy Rain in Wisconsin, May 20, 2004
- Flash Flood and Damaging Winds in New York, May 20 to 21, 2004
- Tornado and Damaging Wind in Pennsylvania, May 20, 2004
- Hail in Michigan, May 20, 2004
- Hail and Lightning Strike in Iowa, May 20, 2004
- Hail and Damaging Winds in Illinois, May 20, 2004
- Hail in Michigan, May 20, 2004
- Flash Flood in New York, May 20 to 21, 2004
- Flash Flood and Hail in Michigan, May 20 to 21, 2004
More
Every storm in Pennsylvania in 2004Every state in 2004This day in weather historyWarnings in Pennsylvania, May 2004
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5398333.