Thunderstorm Wind, Lawrence
- When
- July 24, 3:45 PM EST
- Where
- Lawrence County, Ellwood City
- Property damage
- $1,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.867, -80.283
Thunderstorm winds downed a large tree.
Damaging Winds in Pennsylvania, July 24 to 25, 2001
4 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
- $37,000
- Crop damage
- None recorded
- Events
- 4
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 Jul 24, 2:00 PM EST, 1 hour 45 minutes earlier.
Area forecast discussion, Jul 24, 2:00 PM EST, 1 hour 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 300 PM EDT TUE JUL 24 2001 ABUNDANT MOISTURE AND INSTABILITY BUT NO SUBSTANTIAL KICK. TSRA'S HAVE DEVELOPED BUT VERY SPOTTY AND PULSE-LIKE IN NATURE. HOWEVER WITH PW'S 1.8 TO 2.0 INCHES AND 700MB FLOW ONLY 10KT LOCALLY HEAVY RAINFALL A POSSIBILITY SO TONIGHT GROUP HAS RAIN MAY BE HEAVY AT TIMES PHRASE. SAME CONDITIONS WILL EXIST TOMORROW BUT INSTABILITY SHIFTS SOUTH. ANOTHER SPOTTY STORM EVENT IN THE AFTERNOON. TOMORROW NIGHT THE MOISTURE FLUX CONVERGENCE INCREASES AND THE INSTABILITY LINGERS ALONG THE OMEGA FIELD AHEAD OF THE FRONTAL SYSTEM. CANNOT IGNORE CHANCE OF TSRA SO 40 POPS ACROSS CWA. THURSDAY THE FRONT CUTS CWA IN NORTH/SOUTH HALVES WITH CAPE INSTABILITY AXIS AND HIGH DEWPTS THROUGH SOUTHERN HALF. LIKELY POPS SOUTHERN HALF AND LESS NORTH. NO MAJOR ADJUSTMENTS TO EXTENDED FROM PREVIOUS. SOWKO .PBZ... MD...NONE. 1OH...NONE. PA...NONE. WV...NONE.
In the hours before
Special weather statement, Jul 24, 3:23 PM EST, 22 minutes before
PAZ013-014-020-242130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 423 PM EDT TUE JUL 24 2001 ...AFTERNOON THUNDERSTORMS MAY PRODUCE LOCALIZED FLOODING... AN APPROACHING COLD FRONT WILL PRODUCE SHOWERS AND THUNDERSTORMS THIS AFTERNOON. A LINE OF THUNDERSTORMS MAY PRODUCE HEAVY DOWN POURS...SMALL HAIL...AND GUSTY WINDS UP TO 40 MPH. EXERCISE CAUTION WHILE DRIVING DURING AND AFTER THESE STORMS.
The radar
The Pittsburgh radar (KPBZ), 38 km away, was scanning. The volume nearest the first event began at 20:45 UTC.
Event by event
4 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, Beaver
- When
- July 24, 3:48 PM EST
- Where
- Beaver County, Fombell
- Property damage
- $1,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.800, -80.200
Thunderstorm winds downed a large tree.
Thunderstorm Wind, Washington
- When
- July 25, 4:38 PM EST to 4:50 PM EST
- Where
- Washington County, Finleyville
- Property damage
- $25,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.250, -80.017
Thunderstorm winds downed numerous trees and power lines across Finleyville. Other locations in Peters and Union Townships affected were Thompsonville, Venetia, McMurray and Elrama.
Thunderstorm Wind, Allegheny
- When
- July 25, 4:50 PM EST
- Where
- Allegheny County, Carnegie
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 40.417, -80.083
Thunderstorm winds downed numerous trees and power lines across the Carnegie and Greentree areas.
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 Pennsylvania, July 24 to 25, 2001
- Wildfire in California, July 24 to 31, 2001
- Tornado and Flash Flood in Iowa, July 24, 2001
- Flash Flooding and Hail in Montana, July 24 to 25, 2001
- Flash Flooding in Kentucky, July 24, 2001
- Flash Flood and Damaging Wind in Arizona, July 24, 2001
- Flash Flood in South Dakota, July 24, 2001
- Flood in Alaska, July 24 to 31, 2001
- Damaging Wind in Arizona, July 24, 2001
- Tornadoes in Maine, July 24, 2001
- Hail and Damaging Winds in Missouri, July 24 to 25, 2001
- Flood and Hail in Kansas, July 24, 2001
More
Every storm in Pennsylvania in 2001Every state in 2001This day in weather historyWarnings in Pennsylvania, July 2001
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: 5262484, 5262485, 5262486, 5262487.