Alert archive / Pennsylvania / Flash Flood Warnings in 1996
Flash Flood Warning 37, NWS State College, PA
NWS State College, PA issued this flash flood warning at Apr 30, 1996, 3:53 PM EDT for Tioga 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
- Apr 30, 1996, 3:53 PM EDT (19:53 UTC)
- Expired
- Apr 30, 1996, 6:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Tioga County, PA
The radar
The State College radar (KCCX), 113 km from the middle of the area, began a volume at 19:57 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, 7.9 hours before the alert went out and 175 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
- 6 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 301957 FFWCTP PAC117-302200- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 353 PM EDT TUE APR 30 1996 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS EXTENDED THE FLOOD WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...TIOGA COUNTY HEAVY RAINS HAVE ENDED ACROSS TIOGA COUNTY...AND MOST STREAMS HAVE BEGUN TO RECEDE. SOME ROADS MAY STILL HAVE PROBLEMS WITH WATER AND SOME SMALL STREAMS MAKE TAKE SOME TIME TO RETURN TO THEIR BANKS THIS EVENING. 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. VEHICL ES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. DUNHAM
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 Apr 30, 2:28 PM EDT, 1 hour 25 minutes earlier.
Area forecast discussion, Apr 30, 2:28 PM EDT, 1 hour 25 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 230 PM EDT TUE APR 30 1996 NO REPORTS OF DAMAGE ACROSS FCST/A WITH FRONTAL PASSAGE... WATCH WILL BE TAKEN DOWN SHORTLY... SFC MAP HAS COLD FRONT JUST WEST OF AVP-LNS LINE WITH A WEAK TROF QUICKLY FOLLOWING. WEAK TROF A REFLECTION OF DIFF VORT ADVECTION LAGGING BEHIND THE FRONT. HENCE...LGT/MOD RAIN TAKING ITS TIME THRU CWA. HAVE ISSUED TWO FLOOD WARNINGS (POTTER,TIOGA) WITH 1.25 ADDITIONAL INCHES FALLING ON TOP OF YESTERDAY'S 1.00 INCH. DRY SLOT WORKS NE INTO C-PA OVERNIGHT... THEN NXT SHRTWV MOVES INTO REGION WED AFTN. LEANED MORE TOWARDS THE NGM THIS PACKAGE AS ETA HAVING INITIALIZATION PROBLEMS. SHORTWV MOVING INTO REGION WED AFTN HAS NICE 8H JET WITH MOISTURE TONGUE MOVING INTO W PA BY F30. LI'S QUITE UNSTABLE....(5H TEMPS ARE PROGGED TO BE NEAR -27). FCST... TONIGHT...BECOMING PTLY CLDY. WEDNESDAY...MORNING SUNSHINE FOLLOWED BY INCR CL`DS AND CHC OF AFTN/EVE TRW. WEDNESDAY NIGHT...MOSTLY CLDY WITH CHC OF AN EVE SHOWER. THURSDAY...PARTLY SUNNY. WINTHER
In the hours before
Special weather statement, Apr 30, 11:02 AM EDT, 4 hours 51 minutes before
PAZ036-037-041-042-045-046- 049>053-056>059-063>066-302300- SEVERE WEATHER OUTLOOK FOR PENNSYLVANIA NATIONAL WEATHER SERVICE STATE COLLEGE PA 1100 AM EDT TUE APR 30 1996 THE STORM PREDICTION CENTER IN KANSAS CITY INDICATES THAT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON OVER MUCH OF THE EASTERN HALF OF PENNSYLVANIA. SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED. A STRONG COLD FRONT MOVING ACROSS WESTERN PENNSYLVANIA WILL SWEEP EAST ACROSS EASTERN PENNSYLVANIA THIS AFTERNOON. WARM HUMID AND UNSTABLE AIR AHEAD OF THE COLD FRONT WILL CREATE THE POTENTIAL FOR SEVERE THUNDERSTORMS. THE MAIN SEVERE WEATHER THREAT WILL BE FROM STRONG DAMAGING WINDS AS THE COLD FRONT S6LIDES EAST THIS AFTERNOON. THUNDERSTORMS DEVELOPING ALONG THE COLD FRONT WILL ONLY ENHANCE THE HEAVY RAINS AND STRONG WINDS ALONG AND AHEAD OF THE FRONT. WINTHER
Special weather statement, Apr 30, 12:22 PM EDT, 3 hours 31 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>05 3-056>059-063>066-302200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 1222 PM EDT TUE APR 30 1996 ...SEVERE THUNDERSTORM WATCH THIS AFTERNOON FOR ALL EAST CENTRAL PENNSYLVANIA AREAS EAST OF A LINE FROM WELLSBORO TO JERSEY SHORE TO CHAMBERSBURG... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF EASTERN PENNSYLVANIA THIS AFTERNOON AS A COLD FRONT MOVES EAST ACROSS THE STATE. STRONG WINDS AND A GENEROUS SUPPLY OF MOISTURE POSE A THREAT OF SEVERE THUNDERSTORMS ACROSS MUCH OF THE AREA. HEAVY DOWNPOURS COULD ALSO CAUSE POOR DRAINAGE FLOODING IN LOW AREAS OR AREAS WITH A HISTORY OF DRAINAGE PROBLEMS. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS A THREAT OF DAMAGING THUNDERSTORMS EXIST IN AND CLOSE TO THE WATCH AREA. DUNHAM
Special weather statement, Apr 30, 3:15 PM EDT, 38 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>05 3-056>059-063>066-302200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 315 PM EDT TUE APR 30 1996 ...THE SEVERE THUNDERSTORM WATCH FOR ALL EAST CENTRAL PENNSYLVANIA HAS BEEN CANCELED... A STRONG COLD FRONT MOVED EAST ACROSS CENTRAL PA WITH HEAVY DOWNPOURS AND GUSTY WINDS. THE FRONT MOVED EAST THROUGH WILLIAMSPORT AROUND NOON AND HARRISBURG BY 1 PM AND BY MID AFTERNOON WAS EAST OF OUR CENTRAL PENNSYLVANIA AREA. ALTHOUGH RAIN LINGERED BEHIND THE FRONT...THE THREAT OF SEVERE WEATHER HAS DIMINISHED. RAINFALL IN EXCESS OF AN INCH FELL ACROSS NORTHERN PARTS OF THE STATE...CAUSING SOME DRAINAGE PROBLEMS. FLOOD WARNINGS REMAIN UP FOR TIOGA COUNTY UNTIL 4 PM AND FOR POTTER COUNTY UNTIL 5 PM. BY 3 PM THE RAIN HAD ENDED WEST OF A LINE FROM WELLSBORO SOUTH TO STATE COLLEGE TO HUNTINGDON AND MCCONNELSBURG. HEAVY RAINS HAVE ENDED IN POTTER AND WESTERN TIOGA COUNTY...BUT SMALL STREAMS WILL CONTINUE TO RUN HIGH THROUGH THE AFTERNOON AND POOR DRAINAGE AREAS MAY HAVE SOME PROBLEMS THROUGH THIS EVENING. HEAVY DOWNPOURS COULD ALSO CAUSE SOME PROBLEMS IN LOW AREAS OR AREAS WITH A HISTORY OF POOR DRAINAGE ACROSS THE MIDDLE AND LOWER SUSQUEHANNA REGION THROUGH THE AFTERNOON. MOST OF THE RAIN SHOULD END ACROSS THE SUSQUEHANNA VALLEY BY EARLY EVENING. DUNHAM
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 2:01 PM EDT | Flash Flood Warning | CTP | Potter | 3 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.