Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 170, NWS Pittsburgh, PA

June 24, 1996Clarion County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jun 24, 1996, 8:16 AM EDT for Clarion County, Pennsylvania. It was in force for 2 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 24, 1996, 8:16 AM EDT (12:16 UTC)
Expired
Jun 24, 1996, 10:30 AM EDT
In force
2 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Clarion County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 0.3 hours before the alert went out and 202 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 1996-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 1996-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.193958Sfc1 km3 km6 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1204 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 24, 4:30 AM EDT, 3 hours 46 minutes before
PAZ004>036-OHZ039>041-048>050-057>059-068-069-
WVZ001>004-012-021>023-041-MDZ001-250000-

SPECIAL WEATHER STATEMENT - POTENTIAL SEVERE THUNDERSTORM DAY
NATIONAL WEATHER SERVICE PITTSBURGH PA
430 AM EDT MON JUN 24 1996

...THUNDERSTORMS WITH DAMAGING WIND GUSTS AND TORRENTIAL
   DOWNPOURS POSSIBLE ACROSS PARTS OF WESTERN PENNSYLVANIA...
   EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA... AND WESTERN
   MARYLAND...

TODAYS THUNDERSTORMS MAY HAVE DAMAGING WIND GUSTS OF OVER 60
MPH AND DOWNPOURS GREATER THAN 1 INCH IN AN HOUR WHICH MAY
CAUSE FLOODING ON ROADWAYS AND WHERE DRAINAGE IS POOR. IF THE
DOWNPOURS LAST TOO LONG...AND CAUSE OVER 2 INCHES OF
RAINFALL...SMALL STREAMS MAY FLOOD ALSO.

THESE TYPE OF THUNDERSTORMS OFTEN HAVE LOTS OF CLOUD TO GROUND
LIGHTNING. SO BE READY TO TAKE SHELTER INDOORS...PREFERABLY IN
A STRONG BUILDING...AWAY FROM WINDOWS. MOTORISTS...PULL OVER
TIL AFTER THE STORMS PASS. BOATERS...GET TO SHORE AND GO
INDOORS.

TODAYS THUNDERSTORMS WILL BE FUELED BY THE HUMIDITY
INCREASING AHEAD OF A MIDWEST COLD FRONT THAT WILL BE
CROSSING THE WESTERN PENNSYLVANIA REGION THIS EVENING.

THE WORST STORMS WILL LIKELY COME THIS AFTERNOON OR EVENING.
HOWEVER FOR EAST C"ENTRAL OHIO...NORTHERN WEST VIRGINIA...AND
FAR WESTERN PENNSYLVANIA...THE FIRST STORMS COULD DEVELOP THIS
MORNING.

LISTEN FOR FURTHER MESSAGES ABOUT THUNDERSTORMS TODAY...AND
KEEP AN EYE ON THE SKY.

GIORDANO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:05 AM EDTFlash Flood WarningPBZMercer115 min
Jun 24, 7:05 AM EDTSevere Thunderstorm WarningPBZMercer115 min
Jun 24, 7:46 AM EDTFlash Flood WarningPBZVenango2 hr
Jun 24, 7:46 AM EDTSevere Thunderstorm WarningPBZVenango2 hr
Jun 24, 7:59 AM EDTFlash Flood WarningPBZLawrence2 hr
Jun 24, 7:59 AM EDTSevere Thunderstorm WarningPBZLawrence2 hr
Jun 24, 8:16 AM EDTSevere Thunderstorm WarningPBZClarion2 hr
Jun 24, 8:25 AM EDTFlash Flood WarningPBZButler2 hr
Jun 24, 8:25 AM EDTSevere Thunderstorm WarningPBZButler2 hr
Jun 24, 8:42 AM EDTFlash Flood WarningPBZForest, Jefferson2 hr
Jun 24, 9:54 AM EDTSevere Thunderstorm WarningPBZWestmoreland36 min
Jun 24, 10:06 AM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland54 min
Jun 24, 12:51 PM EDTFlash Flood WarningPBZBeaver69 min
Jun 24, 12:51 PM EDTSevere Thunderstorm WarningPBZBeaver69 min
Jun 24, 1:21 PM EDTFlash Flood WarningPBZAllegheny84 min
Jun 24, 1:21 PM EDTSevere Thunderstorm WarningPBZAllegheny84 min
Jun 24, 1:56 PM EDTFlash Flood WarningPBZArmstrong, Westmoreland2 hr
Jun 24, 1:56 PM EDTFlash Flood WarningPBZLawrence, Mercer2 hr
Jun 24, 1:56 PM EDTSevere Thunderstorm WarningPBZArmstrong, Westmoreland2 hr
Jun 24, 1:56 PM EDTSevere Thunderstorm WarningPBZLawrence, Mercer2 hr
Jun 24, 2:00 PM EDTFlash Flood WarningPBZBeaver2 hr
Jun 24, 2:23 PM EDTFlash Flood WarningPBZAllegheny, Washington2 hr
Jun 24, 2:23 PM EDTSevere Thunderstorm WarningPBZAllegheny, Washington2 hr
Jun 24, 2:32 PM EDTSevere Thunderstorm WarningPBZButler58 min
Jun 24, 2:44 PM EDTFlash Flood WarningPBZClarion, Jefferson2 hr
Jun 24, 2:44 PM EDTFlash Flood WarningPBZIndiana2 hr
Jun 24, 2:44 PM EDTSevere Thunderstorm WarningPBZClarion, Jefferson2 hr
Jun 24, 2:44 PM EDTSevere Thunderstorm WarningPBZIndiana2 hr
Jun 24, 3:09 PM EDTFlash Flood WarningPBZFayette, Greene111 min
Jun 24, 3:09 PM EDTSevere Thunderstorm WarningPBZFayette, Greene111 min
Jun 24, 3:44 PM EDTFlash Flood WarningPBZAllegheny, Beaver, Washington, Westmoreland2 hr
Jun 24, 4:44 PM EDTFlash Flood WarningPBZFayette76 min
Jun 24, 4:44 PM EDTFlash Flood WarningPBZIndiana76 min
Jun 24, 5:51 PM EDTFlash Flood WarningPBZAllegheny, Fayette, Westmoreland3 hr
Jun 24, 1:07 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana83 min
Jun 24, 1:07 PM EDTSevere Thunderstorm WarningPBZTuscarawas83 min
Jun 24, 1:27 PM EDTFlash Flood WarningPBZCarroll, Tuscarawas2 hr
Jun 24, 1:27 PM EDTFlash Flood WarningPBZColumbiana2 hr
Jun 24, 1:50 PM EDTFlash Flood WarningPBZJefferson2 hr
Jun 24, 1:50 PM EDTFlash Flood WarningPBZHarrison2 hr
Jun 24, 1:50 PM EDTSevere Thunderstorm WarningPBZJefferson2 hr
Jun 24, 1:50 PM EDTSevere Thunderstorm WarningPBZHarrison2 hr
Jun 24, 2:44 PM EDTFlash Flood WarningPBZBelmont2 hr
Jun 24, 2:44 PM EDTFlash Flood WarningPBZMonroe2 hr
Jun 24, 2:44 PM EDTSevere Thunderstorm WarningPBZBelmont, Monroe2 hr
Jun 24, 3:20 PM EDTFlash Flood WarningPBZTuscarawas2 hr
Jun 24, 1:24 PM EDTSevere Thunderstorm WarningPBZTucker66 min
Jun 24, 3:32 PM EDTFlash Flood WarningPBZMonongalia, Wetzel118 min
Jun 24, 3:32 PM EDTSevere Thunderstorm WarningPBZMonongalia, Wetzel118 min
Jun 24, 3:57 PM EDTFlash Flood WarningPBZPreston2 hr
Jun 24, 3:57 PM EDTSevere Thunderstorm WarningPBZPreston2 hr
Jun 24, 5:33 PM EDTSevere Thunderstorm WarningPBZTucker57 min

Nearby

Flash Flood Warnings in Pennsylvania, 1996Every flash flood warning in 1996

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.