Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 123, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 8, 2001, 5:58 PM EDT for Fayette County, Pennsylvania. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 8, 2001, 5:58 PM EDT (21:58 UTC)
- Expired
- Aug 8, 2001, 6:30 PM EDT
- In force
- 32 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Fayette County, PA
The radar
The Pittsburgh radar (KPBZ), 84 km from the middle of the area, began a volume at 21:58 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.0 hours before the alert went out and 221 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 735 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 1502 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 8, 3:25 PM EDT, 2 hours 33 minutes earlier.
Area forecast discussion, Aug 8, 3:25 PM EDT, 2 hours 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 325 PM EDT WED AUG 8 2001 MENTIONED SCATTERED THUNDERSTORMS WITH LOCALLY HEAVY RAIN FOR TONIGHT AS SCATTERED THUNDERSTORMS ARE BEGINNING TO FIRE ALONG LEFTOVER BOUNDARIES FORMED FROM THE RAINS OF EARLY THIS MORNING. SOME WIND GUSTS CAN GO OVER 30 MPH...DUE TO LARGE INSTABILITY...SO MENTIONED HIGHER GUSTS NEAR STORMS WITH WIND FORECAST. SOME PATCHY FOG CAN FORM AGAIN LATE TONIGHT. THURSDAY SHOULD BE A DITTO OF TODAY. INCLUDED RECORDS FOR ZANESVILLE AND MORGANTOWN. MENTIONED SCATTERED THUNDERSTORMS FOR THURSDAY NIGHT PERIOD...ALTHOUGH THEY COULD BEGIN TO FIRE DURING THE LATE AFTERNOON AS TODAY. ETA AND AVN SHOW STRONG COLD FRONT FROM GREAT LAKES MOVING THROUGH THE HEAD OF THE OHIO REGION FRIDAY AFTERNOON AND EVENING. THIS COULD RESULT IN A SQUALL LINE...SO WENT LIKELY THUNDERSTORMS WITH MENTION OF LOCALLY HEAVY RAIN AND STRONG WIND GUSTS...DUE TO FASTER WINDS ALOFT. SPC DAY 3 OUTLOOK HAS GOOD DISCUSSION ON THIS. LEFT MENTION OF SCATTERED THUNDERSTORMS FRIDAY NIGHT FOR COUNTIES SOUTH OF INTERSTATE 70. AFTER THAT...DRIER AIR SHOULD GIVE DRY CONDITIONS WITH SEASONABLE TEMPERATURES INTO MIDWEEK. ...GIORDANO .PBZ... MD...NONE. OH...NONE. PA...NONE. WV...NONE.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 63 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.