Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 197, NWS State College, PA

November 8, 1996Potter County, Tioga County, Pennsylvania

NWS State College, PA issued this flash flood warning at Nov 8, 1996, 9:51 AM EST for Potter County, Tioga County, Pennsylvania. It was in force for 4 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
Nov 8, 1996, 9:51 AM EST (14:51 UTC)
Expired
Nov 8, 1996, 2:00 PM EST
In force
4 hr
Issued by
NWS State College, PA
Area
Whole counties

Counties Potter County, PA, Tioga County, PA

The radar

The State College radar (KCCX), 100 km from the middle of the area, began a volume at 14:50 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.9 hours before the alert went out and 160 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 1996-11-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1996-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 square meters per square second.1939587897117Sfc1 km3 km6 km9 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
497 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
-101 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.

NWS State College, PA wrote its last area forecast discussion before this flash flood warning went out at Nov 8, 9:50 AM EST, 1 minute earlier.

Area forecast discussion, Nov 8, 9:50 AM EST, 1 minute before
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In the hours before

Special weather statement, Nov 8, 9:35 AM EST, 16 minutes before
PAZ012-018-019-026>028-035>037-041-042-045-046-049>053-056>059-
063>066-082000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
935 AM EST FRI NOV 8 1996

...TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN
PENNSYLVANIA...

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR MUCH OF
EASTERN AND CENTRAL PENNSYLVANIA UNTIL 300 PM THIS AFTERNOON. THE
COUNTIES INCLUDED IN THE WATCH ARE:

ADAMS... CENTRE... CLINTON... DAUPHIN... HUNTINGDON... LANCASTER...
SNYDER... FRANKLIN... JUNIATA... LEBANON... LYCOMING...
NORTHUMBERLAND... SOMERSET... TIOGA... CUMBERLAND... FULTON...
MIFFLIN... MONTOUR... PERRY... SCHUYLKILL... SULLIVAN... UNION...
YORK.

A STRONG COLD FRONT WILL MOVE ACROSS THIS STATE LATE THIS MORNING
AND EARLY AFTERNOON. HEAVY RAIN ALONG WITH THUNDERSTORMS...SOME
SEVERE WILL ACCOMPANY THE FRONT. IN ADDITION...CONDITIONS ARE
FAVORABLE TO PRODUCE ISOLATED TORNADOES.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, Nov 8, 9:45 AM EST, 6 minutes before
PAZ012-018-019-026>028-035>037-041-042-045-046-049>053-056>059-
063>066-082000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
935 AM EST FRI NOV 8 1996

...TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN
PENNSYLVANIA...

THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR MUCH OF
EASTERN AND CENTRAL PENNSYLVANIA UNTIL 300 PM THIS AFTERNOON. THE
COUNTIES INCLUDED IN THE WATCH ARE:

ADAMS... CENTRE... CLINTON... DAUPHIN... HUNTINGDON... LANCASTER...
SNYDER... FRANKLIN... JUNIATA... LEBANON... LYCOMING...
NORTHUMBERLAND... SOMERSET... TIOGA... CUMBERLAND... FULTON...
MIFFLIN... MONTOUR... PERRY... SCHUYLKILL... SULLIVAN... UNION...
YORK.

A STRONG COLD FRONT WILL MOVE ACROSS THIS STATE LATE THIS MORNING
AND EARLY AFTERNOON. HEAVY RAIN ALONG WITH THUNDERSTORMS...SOME
SEVERE WILL ACCOMPANY THE FRONT. IN ADDITION...CONDITIONS ARE
FAVORABLE TO PRODUCE ISOLATED TORNADOES.

REMEMBER...A TORNADO WATCH MEANS> CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 8:14 AM ESTFlash Flood WarningCTPTioga3 hr
Nov 8, 8:41 AM ESTTornado WarningCTPBedford, Blair49 min
Nov 8, 8:48 AM ESTTornado WarningCTPFulton, Huntingdon72 min
Nov 8, 9:02 AM ESTFlash Flood WarningCTPBlair, Centre4 hr
Nov 8, 9:02 AM ESTFlash Flood WarningCTPClinton, Lycoming4 hr
Nov 8, 9:20 AM ESTSevere Thunderstorm WarningCTPCentre, Mifflin55 min
Nov 8, 9:20 AM ESTSevere Thunderstorm WarningCTPJuniata55 min
Nov 8, 9:58 AM ESTSevere Thunderstorm WarningCTPClinton, Lycoming62 min
Nov 8, 10:06 AM ESTSevere Thunderstorm WarningCTPTioga69 min
Nov 8, 10:11 AM ESTTornado WarningCTPLycoming, Tioga49 min
Nov 8, 10:29 AM ESTSevere Thunderstorm WarningCTPSnyder, Union46 min
Nov 8, 10:29 AM ESTSevere Thunderstorm WarningCTPPerry46 min
Nov 8, 10:45 AM ESTSevere Thunderstorm WarningCTPDauphin, Montour, Northumberland60 min
Nov 8, 11:09 AM ESTSevere Thunderstorm WarningCTPColumbia, Sullivan66 min
Nov 8, 11:30 AM ESTSevere Thunderstorm WarningCTPLebanon, Schuylkill60 min
Nov 8, 1:48 PM ESTFlash Flood WarningCTPTioga3 hr
Nov 8, 2:19 PM ESTSevere Thunderstorm WarningCTPLancaster, York56 min
Nov 8, 3:46 PM ESTSevere Thunderstorm WarningCTPLancaster59 min
Nov 8, 3:59 PM ESTFlash Flood WarningCTPYork4 hr
Nov 8, 4:05 PM ESTFlash Flood WarningCTPLebanon, Schuylkill4 hr
Nov 8, 4:05 PM ESTFlash Flood WarningCTPLancaster4 hr
Nov 8, 4:23 PM ESTFlash Flood WarningCTPTioga5 hr

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; radar from the NEXRAD Level II archive.