Alert archive / Pennsylvania / Flash Flood Warnings in 1998

Flash Flood Warning 152, NWS Pittsburgh, PA

June 30, 1998Beaver County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jun 30, 1998, 2:19 PM EDT for Beaver County, Pennsylvania. It was in force for 5 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 30, 1998, 2:19 PM EDT (18:19 UTC)
Expired: Jun 30, 1998, 7:00 PM EDT
In force: 5 hr
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Beaver County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.3 hours before the alert went out and 37 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 222 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.5

Open this sounding in Storm Lab

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 30, 11:05 AM EDT, 3 hours 14 minutes before

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-302000-

SEVERE WEATHER OUTLOOK...UPATED
WEATHER SERVICE PITTSBURGH PA
1105 AM EDT TUE JUN 30 1998

A RISK OF SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THIS EVENING.

A COLD FRONT WILL MOVE THROUGH THE AREA THIS AFTERNOON AND EARLY
EVENING AND WILL BRING THE THREAT OF DAMAGING WIND...LARGE HAIL AND
HEAVY DOWNPOURS. IN AREAS WHERE FLOODING IS ONGOING...AS IN EAST
CENTRAL OHIO...ANY ADDITIONAL RAIN WILL AGGRAVATE THE SITUATION. WHERE
SOILS REMAIN SATURATED...HEAVY RAINS COULD INCREASE THE THREAT OF FLASH
FLOODING. SO A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4PM THIS
AFTERNOON FOR MUCH OF SOUTHWEST PENNSYLVANIA AND ALL OF EAST
CENTRAL OHIO.

SKYWARN AND HAM RADIO ACTIVATION IS LIKELY.

AS THE COLD FRONT PASSES THROUGH THE AREA THIS AFTERNOON AND
EVENING THE THREAT OF SEVERE WEATHER WILL END.

FOR THE LATEST UP TO DATE WEATHER xINFORMATION LISTEN TO NOAA WEATHER
RADIO. WEATHER INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER
SERVICE PITTSBURGH WEB SITE AT:

WWW.NWS.NOAA.GOV/ER/PIT

Special weather statement, Jun 30, 11:05 AM EDT, 3 hours 14 minutes before

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-302000-

SEVERE WEATHER OUTLOOK...UPATED
WEATHER SERVICE PITTSBURGH PA
1105 AM EDT TUE JUN 30 1998

A RISK OF SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THIS EVENING.

A COLD FRONT WILL MOVE THROUGH THE AREA THIS AFTERNOON AND EARLY
EVENING AND WILL BRING THE THREAT OF DAMAGING WIND...LARGE HAIL AND
HEAVY DOWNPOURS. IN AREAS WHERE FLOODING IS ONGOING...AS IN EAST
CENTRAL OHIO...ANY ADDITIONAL RAIN WILL AGGRAVATE THE SITUATION. WHERE
SOILS REMAIN SATURATED...HEAVY RAINS COULD INCREASE THE THREAT OF FLASH
FLOODING. SO A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4PM THIS
AFTERNOON FOR MUCH OF SOUTHWEST PENNSYLVANIA AND ALL OF EAST
CENTRAL OHIO.

SKYWARN AND HAM RADIO ACTIVATION IS LIKELY.

AS THE COLD FRONT PASSES THROUGH THE AREA THIS AFTERNOON AND
EVENING THE THREAT OF SEVERE WEATHER WILL END.

FOR THE LATEST UP TO DATE WEATHER xINFORMATION LISTEN TO NOAA WEATHER
RADIO. WEATHER INFORMATION IS ALSO AVAILABLE ON THE NATIONAL WEATHER
SERVICE PITTSBURGH WEB SITE AT:

WWW.NWS.NOAA.GOV/ER/PIT

Local storm report, Jun 30, 1:58 PM EDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
158 PM EDT TUE JUN 30 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0156 PM    1 S MINERVA               OH   WIND DAMAGE
06/30/98   CARROLL                        60MPH WINDS

Local storm report, Jun 30, 2:05 PM EDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
205 PM EDT TUE JUN 30 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0155 PM    SALEM                     OH   .75 INCH HAIL
06/30/98   COLUMBIANA

Local storm report, Jun 30, 2:11 PM EDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
211 PM EDT TUE JUN 30 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0211 PM    NEW GARDEN                OH   1 INCH HAIL
06/30/98   COLUMBIANA                     2 E

Local storm report, Jun 30, 2:14 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
214 PM EDT TUE JUN 30 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0213 PM    SUMMITVILLE               OH   WIND DAMAGE
06/30/98   COLUMBIANA                     60 MPH GUSTS

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 1:06 AM EDT	Flash Flood Warning	PBZ	Greene	10 hr
Jun 30, 2:21 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	59 min
Jun 30, 2:39 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Butler	71 min
Jun 30, 2:55 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	60 min
Jun 30, 3:05 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	75 min
Jun 30, 3:09 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	61 min
Jun 30, 3:23 PM EDT	Flash Flood Warning	PBZ	Washington	5 hr
Jun 30, 3:25 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	60 min
Jun 30, 4:35 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	45 min
Jun 30, 4:47 PM EDT	Flash Flood Warning	PBZ	Fayette, Greene	3 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1998 Every 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.