Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 98, NWS State College, PA

June 22, 1996Somerset County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 22, 1996, 6:34 PM EDT for Somerset County, Pennsylvania. It was in force for 116 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
Jun 22, 1996, 6:34 PM EDT (22:34 UTC)
Expired
Jun 22, 1996, 8:30 PM EDT
In force
116 min
Issued by
NWS State College, PA
Area
Whole counties

County Somerset County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.6 hours before the alert went out and 180 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, Washington/Dulle, VA at 12:00Z on 1996-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 joules per kilogram.LCLLFCEL10008507005003002001001 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, Washington/Dulle, VA at 12:00Z on 1996-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.193958Sfc1 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
40 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCTP 222236
FFWCTP
PAC111-230030-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
634 PM EDT SAT JUN 22 1996
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...NORTHERN SOMERSET COUNTY
 
HEAVY RAINS HAVE DUMPED OVER AN INCH AND A HALF OF RAIN. A FEW MORE
SHOWERS ARE POSSIBLE THE NEXT HOUR OR SO...BUT MOST OF THE HEAVY RAIN
HAS ENDED.
 
SOME ROAD FLOODING HAS BEEN REPORTED IN CONEMAUGH TOWNSHIP...AND
ADDITIONAL RUNOFF WILL CAUSE MORE FLOODING OF ROADS.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
&
 
MARTIN

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 Jun 22, 2:10 PM EDT, 4 hours 24 minutes earlier.

Area forecast discussion, Jun 22, 2:10 PM EDT, 4 hours 24 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
155 PM EDT SAT JUN 22 1996

PARTS OF PA/OH/NY IN WARM SECTOR NOW...STRONG DIRECTIONAL SHEAR
AND INSTABILITY PRESENT.  BEST WIND FIELDS OUT OF OUR AREA...BUT
CANT RULE OUT ISOL. TORNADOES.

EXPECT MOST OF THE ACTION TO BE OUT OF OUR AREA AFTER A FEW MORE
HOURS...GIVEN SPEED.

TEMPS WILL BE SLIGHTLY COOLER SUNDAY...A NICE DAY.

PHI...WORK ZONES LOOK OK...JUST CAM(E IN...SO I DID NOT LOOK AT
MUCH.

MARTIN

In the hours before

Special weather statement, Jun 22, 1:12 PM EDT, 5 hours 22 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-230000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1248 PM EDT SAT JUN 22 1996

...SEVERE THUNDERSTORM WATCHES 664 AND 665 ARE IN EFFECT FOR ALL OF
PENNSYLVANIA EXCEPT THE EXTREME SOUTHEAST UNTIL 6 PM EDT...

THE FOLLOWING COUNTIES OF CENTRAL PENNSYLVANIA ARE INCLUDED IN THE
WATCH...

IN THE NORTHWEST PLATEAU AND UPPER SUSQUEHANNA
WARREN   MCKEAN  POTTER  TIOGA AND SULLIVAN

IN THE CENTRAL MOUNTAINS
ELK  CAMERON  CLINTON  CLEARFIELD  CENTRE

IN THE SOUTH CENTRAL MOUNTAINS
CAMBRIA  BLAIR  HUNTINGDON  SOMERSET  BEDFORD AND FULTON

IN THE MIDDLE SUSQUEHANNA VALLEY
LYCOMING  UNION  SNYDER  NORTHUMBERLAND  MONTOUR  COLUMBIA
MIFFLIN  JUNIATA AND PERRY

IN THE LOWER SUSQUEHANNA VALLEY AND SOUTHEASTERN PIEDMONT
FRANKLIN  CUMBERLAND  ADAMS  YORK  DAUPHIN  LEBANON
LANCASTER AND SCHULYKILL

THUNDERSTORMS OVER WESTERN NEW YORK STATE AND PENNSYLVANIA WILL DEVELOP
OVER CENTRAL AND EASTERN PENNSYLVANIA THIS AFTERNOON.  LARGE
HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE
AS THE STORMS MOVE RAPIDLY EASTWARD.

BUDD
Special weather statement, Jun 22, 5:12 PM EDT, 1 hour 22 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-230200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
510 PM EDT SAT JUN 22 1996

...SEVERE THUNDERSTORM WATCHES FOR MOST OF CENTRAL PENNSYLVANIA WILL
EXPIRE AT 6 PM EDT...

...THE EXCEPTION IS PORTIONS OF EASTERN PENNSYLVANIA...WHERE ANOTHER
SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 10 PM...

THE FOLLOWING COUNTIES ARE IN THE NEW WATCH AREA UNTIL 10 PM.

...MONTOUR...COLUMBIA...SCHUYLKILL...NORTHUMBERLAND...DAUPHIN
...PERRY...CUMBERLAND...YORK...LEBANON...AND LANCASTER.

THE WATCH FOR WARREN MCKEAN POTTER TIOGA SULLIVAN

ELK CAMERON CLINTON CLEARFIELD CENTRE

CAMBRIA BLAIR HUNTINGDON SOMERSET BEDFORD AND FULTON

LYCOMING UNION SNYDER MIFFLIN JUNIATA

FRANKLIN AND ADAMS COUNTIES WILL EXPIRE AT 6 PM.

A FEW SEVERE STORMS ARE STILL POSSIBLE INTO THIS EVENING.  WHILE MOST
AREAS WILL NOT SEE ANY MORE STORMS...A FEW STORMS ARE STILL
POSSIBLE...AND THESE STORMS MAY PRODUCE LARGE LARGE HAIL...DANGEROUS
LIGHTNING AND DAMAGING THUNDERSTORM WINDS IN AND CLOSE TO THE WATCH
AREA.

MARTIN
Special weather statement, Jun 22, 6:19 PM EDT, 15 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-230200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
620 PM EDT SAT JUN 22 1996

...SEVERE THUNDERSTORM WATCHES FOR MOST OF CENTRAL PENNSYLVANIA EXPIRED
AT 6 PM EDT...

...THE EXCEPTION IS PORTIONS OF EASTERN PENNSYLVANIA...WHERE ANOTHER
SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM...

THE FOLLOWING COUNTIES ARE IN THE NEW WATCH AREA UNTIL 10 PM.

...MONTOUR...COLUMBIA...SCHUYLKILL...NORTHUMBERLAND...DAUPHIN
...PERRY...CUMBERLAND...YORK...LEBANON...AND LANCASTER.

THE WATCH FOR WARREN MCKEAN POTTER TIOGA SULLIVAN

ELK CAMERON CLINTON CLEARFIELD CENTRE

CAMBRIA BLAIR HUNTINGDON SOMERSET BEDFORD AND FULTON

LYCOMING UNION SNYDER MIFFLIN JUNIATA

FRANKLIN AND ADAMS COUNTIES IS NO LONGER IN EFFECT FOR THESE COUNTIES.

A FEW SEVERE STORMS ARE STILL POSSIBLE INTO THIS EVENING.  WHILE MOST
AREAS WILL NOT SEE ANY MORJE STORMS...A FEW STORMS ARE STILL
POSSIBLE...AND THESE STORMS MAY PRODUCE LARGE HAIL...DANGEROUS
LIGHTNING AND DAMAGING THUNDERSTORM WINDS IN AND CLOSE TO THE WATCH
AREA.

MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 1:27 PM EDTSevere Thunderstorm WarningCTPClearfield63 min
Jun 22, 1:54 PM EDTSevere Thunderstorm WarningCTPCentre81 min
Jun 22, 2:00 PM EDTTornado WarningCTPCentre, Clearfield60 min
Jun 22, 2:04 PM EDTSevere Thunderstorm WarningCTPCambria56 min
Jun 22, 2:27 PM EDTSevere Thunderstorm WarningCTPBlair, Huntingdon63 min
Jun 22, 3:20 PM EDTSevere Thunderstorm WarningCTPSomerset55 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.