Alert archive / Pennsylvania / Flash Flood Warnings in 1998
Flash Flood Warning 88, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 19, 1998, 8:25 AM EDT for Westmoreland County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 19, 1998, 8:25 AM EDT (12:25 UTC)
- Expired
- Jun 19, 1998, 11:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 68 km from the middle of the area, began a volume at 12:29 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, 0.4 hours before the alert went out and 233 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
- 604 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.1
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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 19, 5:13 AM EDT, 3 hours 12 minutes before
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-191600- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 513 AM EDT FRI JUN 19 1998 ...SEVERE THUNDERSTORMS POSSIBLE TODAY AND TONIGHT... THE NATIONAL WEATHER SERVICE IN PITTSBURGH EXPECTS THAT SOME SEVERE THUNDERSTORMS WILL OCCUR OVER WESTERN PENNSYLVANIA...NORTHERN WEST VIRGINIA...EAST CENTRAL OHIO AND GARRETT COUNTY MARYLAND. THESE STORMS MAY CONTAIN STRONG GUSTY WINDS...LARGE HAIL...DANGEROUS LIGHTNING AND HEAVY RAINFALL. AN UNSTABLE AIRMASS TODAY AHEAD OF A COLD FRONT MOVING THROUGH THE AREA THIS EVENING WILL PROVIDE THE UPWARD MOTION AND ENERGY NECESSARY TO PRODUCE STRONG STORMS TODAY. THIS WILL BE PARTICULARLY TRUE DURING THE AFTERNOON WHEN NORMAL DIURNAL HEATING WILL ADD TO THE INSTABILITY OF THE ATMOSPHERE. SKYWARN AND HAM RADIO ACTIVATION IS LIKELY FOR TODAY INTO TONIGHT. LISTEN TO NOAA WEATHER RADIO FOR UPDATES. THE LATEST INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER SERVICE PITTSBURGH WEB SITE. CHECK IT OUT AT WWW.NWS.NOAA.GOV/ER/PIT DE MARIS
Local storm report, Jun 19, 5:31 AM EDT, 2 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
531 AM EDT FRI JUN 19 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 AM JONES MILLS PA .75 INCH HAIL
06/19/98 WESTMORELAND
0445 AM PARSONS WV 1.25 INCH HAIL
06/19/98 TUCKERLocal storm report, Jun 19, 5:31 AM EDT, 2 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
531 AM EDT FRI JUN 19 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 AM JONES MILLS PA .75 INCH HAIL
06/19/98 WESTMORELAND
0445 AM PARSONS WV 1.25 INCH HAIL
06/19/98 TUCKERLocal storm report, Jun 19, 7:15 AM EDT, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
715 AM EDT FRI JUN 19 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 AM JONES MILLS PA .75 INCH HAIL
06/19/98 WESTMORELAND
0345 AM CHAMPION PA .88 INCH HAIL
06/19/98 FAYETTE
0445 AM PARSONS WV 1.25 INCH HAIL
06/19/98 TUCKER
0545 AM WINTERSET OH WIND DAMAGE
06/19/98 GUERNSEY TREES DOWN ON US ROUTE 22.
0632 AM COLERAIN OH FLOODING
06/19/98 BELMONT SR 5 FLOODED.
0635 AM ELM GROVE WV FLOODING
06/19/98 OHIO ELM RUN FLOODED.
0635 AM TRIADELPHIA WV FLOODING
06/19/98 OHIO CREEK FLOODING.
0638 AM EMERSON OH FLOODING
06/19/98 JEFFERSON COUNTY ROAD 5 FLOODED.
0640 AM MT OLIVET WV FLOODING
06/19/98 MARSHALL CREEK FLOODING.
0645 AM BRIDGEPORT OH FLOODING
06/19/98 BELMONT U.S. ROUTE 40 FLOODED.Local storm report, Jun 19, 7:15 AM EDT, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
715 AM EDT FRI JUN 19 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 AM JONES MILLS PA .75 INCH HAIL
06/19/98 WESTMORELAND
0345 AM CHAMPION PA .88 INCH HAIL
06/19/98 FAYETTE
0445 AM PARSONS WV 1.25 INCH HAIL
06/19/98 TUCKER
0545 AM WINTERSET OH WIND DAMAGE
06/19/98 GUERNSEY TREES DOWN ON US ROUTE 22.
0632 AM COLERAIN OH FLOODING
06/19/98 BELMONT SR 5 FLOODED.
0635 AM ELM GROVE WV FLOODING
06/19/98 OHIO ELM RUN FLOODED.
0635 AM TRIADELPHIA WV FLOODING
06/19/98 OHIO CREEK FLOODING.
0638 AM EMERSON OH FLOODING
06/19/98 JEFFERSON COUNTY ROAD 5 FLOODED.
0640 AM MT OLIVET WV FLOODING
06/19/98 MARSHALL CREEK FLOODING.
0645 AM BRIDGEPORT OH FLOODING
06/19/98 BELMONT U.S. ROUTE 40 FLOODED.Special weather statement, Jun 19, 7:28 AM EDT, 57 minutes before
OHZ039>041-048>050-057>059-068-069-191400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 728 AM EDT FRI JUN 19 1998 THE SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL OHIO HAS BEEN CANCELLED.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 5:40 AM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 35 min |
| Jun 19, 6:28 AM EDT | Flash Flood Warning | PBZ | Belmont | 4 hr |
| Jun 19, 6:28 AM EDT | Flash Flood Warning | PBZ | Jefferson | 4 hr |
| Jun 19, 3:08 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 37 min |
| Jun 19, 3:20 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 40 min |
| Jun 19, 4:59 AM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jun 19, 11:27 AM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jun 19, 4:30 AM EDT | Severe Thunderstorm Warning | PBZ | Tucker | 45 min |
| Jun 19, 6:45 AM EDT | Flash Flood Warning | PBZ | Tucker | 4 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1998Every flash flood warning in 1998
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.