Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 11, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 17, 1994, 11:25 PM EDT for Cameron County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 1994, 11:25 PM EDT (03:25 UTC)
- Expired
- Aug 18, 1994, 1:30 AM EDT
- In force
- 2 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Cameron County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.4 hours before the alert went out and 171 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
- 225 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 13 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 180325 FFWCTP PAC023-180530- BULLETIN - EBS ACTIVATION REQUESTED SMALL STREAM AND URBAN FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1125 PM EDT WED AUG 17 1994 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 130 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...CAMERON COUNTY AT 1120 PM EDT... RAIN GAUGE DATA INDICATED CLOSE TO 3 INCHES OF RAIN HAS FALLEN NEAR DRIFTWOOD. DOPPLER RADAR CONTINUES TO SHOW MODERATE RAIN MOVING THROUGH CAMERON COUNTY. SIGNIFICANT RAINFALL WILL CONTINUE IN CAMERON COUNTY UNTIL AROUND 1 AM. THIS ADDITIONAL RAINFALL ON TOP OF WHAHAS FALLEN TODAY WILL CAUSE FLOODING IN POOR DRAINAGE AREAS AND ALONG SMALL STREAMS. MOST DEATHS IN FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. 0 NICOSIA/WINTHER
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, Aug 17, 9:36 PM EDT, 1 hour 49 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-180340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 938 PM EDT WED AUG 17 1994 ...A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT INTO THURSDAY FOR PORTIONS OF THE SUSQUEHANNA VALLEY AND SOUTHERN AND CENTRAL MOUNTAINS... ...A TORNADO WATCH CONTINUES IN EFFECT FOR PORTIONS OF THE SUSQUEHANNA VALLEY AND THE CENTRAL MOUNTAINS UNTIL 11 PM EDT... AT 930 PM STATE COLLEGE WEATHER RADAR SHOWED A LARGE AREA SHOWERS OVER NORTH-CENTRAL PENNSYLVANIA. THE HEAVIEST RAIN HAS MOVED OVER THE NORTHERN TIER COUNTIES OF THE STATE. A FEW THUNDERSTORMS WERE OVER THE LOWER SUSQUEHANNA VALLEY MAINLY OVER CUMBERLAND AND PERRY COUNTIES. OVER MOST OF THE REMAINDER OF CENTRAL PENNSYLVANIA THE RAINFALL HAS DECREASED IN INTENSITY IN THE PAST HOUR. SEVERAL LOCATIONS ACROSS CENTRE... HUNTINGDON...AND MIFFLIN COUNTIES HAVE REPORTED IN EXCESS OF 3 INCHES OF RAINFALL SO FAR. AS A RESULT MINOR FLOODING IN POOR DRAINAGE AND LOW LYING AREAS HAS OCCURRED. FORTUNATELY THE RAIN HAS DIMINISHED ACROSS MOST OF CENTRAL PENNSYLVANIA. THE MODERATE TO HEAVY RAIN WILL CONTINUE ACROSS POTTER... TIOGA...FRANKIN... CUMBERLAND... AND PERRY COUNTIES UNTIL 1030 PM. REMEMBER...A TORNADO WATCH IS STILL IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHEASTERN PENNSYLVANIA UNTIL 11 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. GRUMM/WINTHER
Special weather statement, Aug 17, 9:38 PM EDT, 1 hour 47 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-180340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 938 PM EDT WED AUG 17 1994 ...A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT INTO THURSDAY FOR PORTIONS OF THE SUSQUEHANNA VALLEY AND SOUTHERN AND CENTRAL MOUNTAINS... ...A TORNADO WATCH CONTINUES IN EFFECT FOR PORTIONS OF THE SUSQUEHANNA VALLEY AND THE CENTRAL MOUNTAINS UNTIL 11 PM EDT... AT 930 PM STATE COLLEGE WEATHER RADAR SHOWED A LARGE AREA SHOWERS OVER NORTH-CENTRAL PENNSYLVANIA. THE HEAVIEST RAIN HAS MOVED OVER THE NORTHERN TIER COUNTIES OF THE STATE. A FEW THUNDERSTORMS WERE OVER THE LOWER SUSQUEHANNA VALLEY MAINLY OVER CUMBERLAND AND PERRY COUNTIES. OVER MOST OF THE REMAINDER OF CENTRAL PENNSYLVANIA THE RAINFALL HAS DECREASED IN INTENSITY IN THE PAST HOUR. SEVERAL LOCATIONS ACROSS CENTRE... HUNTINGDON...AND MIFFLIN COUNTIES HAVE REPORTED IN EXCESS OF 3 INCHES OF RAINFALL SO FAR. AS A RESULT MINOR FLOODING IN POOR DRAINAGE AND LOW LYING AREAS HAS OCCURRED. FORTUNATELY THE RAIN HAS DIMINISHED ACROSS MOST OF CENTRAL PENNSYLVANIA. THE MODERATE TO HEAVY RAIN WILL CONTINUE ACROSS POTTER... TIOGA...FRANKIN... CUMBERLAND... AND PERRY COUNTIES UNTIL 1030 PM. REMEMBER...A TORNADO WATCH IS STILL IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHEASTERN PENNSYLVANIA UNTIL 11 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. GRUMM/WINTHER
Special weather statement, Aug 17, 10:39 PM EDT, 46 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-180440- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 1041 PM EDT WED AUG 17 1994 ...A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT INTO THURSDAY FOR PORTIONS OF THE MIDDLE SUSQUEHANNA VALLEY... ...A TORNADO WATCH CONTINUES IN EFFECT FOR PORTIONS OF THE SUSQUEHANNA VALLEY AND THE CENTRAL MOUNTAINS UNTIL 11 PM EDT... AT 1030 PM STATE COLLEGE WEATHER RADAR INDICATED A DIMINISHING AREA OF SHOWER ACTIVITY ACROSS SOUTHERN PENNSYLVANIA. NORTHERN SECTIONS OF THE STATE ARE NOW SEEING THE STEADY MODERATE RAIN. THE HEAVIEST ACTIVITY HAS NOW MOVED INTO CLEARFIELD....CAMERON...CLINTON...MCKEAN AND POTTER COUNTIES.. THESE AREAS WILL LIKELY SEE RAINFALL RATES OF ONE HALF INCH /0.50/ PER HOUR DURING THE NEXT TWO HOURS. AREAS WITH POOR DRAINAGE PROBLEMS MAY SEE MINOR FLOODING. TO THE SOUTH...SHOWERS WILL CONTINUE IN THE LOWER SUSQUEHANNA AND SOUTH CENTRAL MOUNTAINS. THESE AREAS ARE ALSO UNDER A TORNADO WATCH. REMEMBER...A TORNADO WATCH IS STILL IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHEASTERN PENNSYLVANIA UNTIL 11 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. IF YOU ARE IN A FLOOD PRONE AREA...YOU SHOULD MONITOR WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS THREATEN. WINTHER
Special weather statement, Aug 17, 10:41 PM EDT, 44 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-180440- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 1041 PM EDT WED AUG 17 1994 ...A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT INTO THURSDAY FOR PORTIONS OF THE MIDDLE SUSQUEHANNA VALLEY... ...A TORNADO WATCH CONTINUES IN EFFECT FOR PORTIONS OF THE SUSQUEHANNA VALLEY AND THE CENTRAL MOUNTAINS UNTIL 11 PM EDT... AT 1030 PM STATE COLLEGE WEATHER RADAR INDICATED A DIMINISHING AREA OF SHOWER ACTIVITY ACROSS SOUTHERN PENNSYLVANIA. NORTHERN SECTIONS OF THE STATE ARE NOW SEEING THE STEADY MODERATE RAIN. THE HEAVIEST ACTIVITY HAS NOW MOVED INTO CLEARFIELD....CAMERON...CLINTON...MCKEAN AND POTTER COUNTIES.. THESE AREAS WILL LIKELY SEE RAINFALL RATES OF ONE HALF INCH /0.50/ PER HOUR DURING THE NEXT TWO HOURS. AREAS WITH POOR DRAINAGE PROBLEMS MAY SEE MINOR FLOODING. TO THE SOUTH...SHOWERS WILL CONTINUE IN THE LOWER SUSQUEHANNA AND SOUTH CENTRAL MOUNTAINS. THESE AREAS ARE ALSO UNDER A TORNADO WATCH. REMEMBER...A TORNADO WATCH IS STILL IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHEASTERN PENNSYLVANIA UNTIL 11 PM. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. IF YOU ARE IN A FLOOD PRONE AREA...YOU SHOULD MONITOR WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS THREATEN. WINTHER
Special weather statement, Aug 17, 11:11 PM EDT, 14 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-180415- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 1113 PM EDT WED AUG 17 1994 ...A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT OVERNIGHT FOR PORTIONS OF THE MIDDLE SUSQUEHANNA VALLEY ... ...THE TORNADO WATCH FOR SECTIONS OF CENTRAL AND SOUTHEAST PENNSYLVANIA HAS EXPIRED... THE TORNADO WATCH FOR SECTIONS OF CENTRAL AND SOUTHEASTERN PENNSYLVANIA HAS EXPIRED. NO REPORTS OF SEVERE WEATHER WERE REPORTED TO THE STATE COLLEGE OFFICE. THE SMALL STREAM AND URBAN FLOOD WATCH IS NO LONGER IN EFFECT FOR SECTIONS THE LOWER SUSQUEHANNA VALLEY AND SECTIONS OF THE CENTRAL AND SOUTHERN MOUNTAINS. A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT OVERNIGHT FOR THE FOLLOWING COUNTIES... LYCOMING...UNION...SNYDER...SULLIVAN...SOUTHERN CLINTON...MONTOUR...NORTHUMBERLAND...COLUMBIA...SCHUYLKILL... WINTHER
Special weather statement, Aug 17, 11:13 PM EDT, 12 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-180415- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 1113 PM EDT WED AUG 17 1994 ...A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT OVERNIGHT FOR PORTIONS OF THE MIDDLE SUSQUEHANNA VALLEY ... ...THE TORNADO WATCH FOR SECTIONS OF CENTRAL AND SOUTHEAST PENNSYLVANIA HAS EXPIRED... THE TORNADO WATCH FOR SECTIONS OF CENTRAL AND SOUTHEASTERN PENNSYLVANIA HAS EXPIRED. NO REPORTS OF SEVERE WEATHER WERE REPORTED TO THE STATE COLLEGE OFFICE. THE SMALL STREAM AND URBAN FLOOD WATCH IS NO LONGER IN EFFECT FOR SECTIONS THE LOWER SUSQUEHANNA VALLEY AND SECTIONS OF THE CENTRAL AND SOUTHERN MOUNTAINS. A SMALL STREAM AND URBAN FLOOD WATCH CONTINUES IN EFFECT OVERNIGHT FOR THE FOLLOWING COUNTIES... LYCOMING...UNION...SNYDER...SULLIVAN...SOUTHERN CLINTON...MONTOUR...NORTHUMBERLAND...COLUMBIA...SCHUYLKILL... WINTHER
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 1:08 AM EDT | Flash Flood Warning | CTP | Lycoming | 2 hr |
| Aug 18, 1:23 AM EDT | Flash Flood Warning | CTP | Tioga | 2 hr |
| Aug 18, 1:31 AM EDT | Flash Flood Warning | CTP | Potter | 119 min |
| Aug 18, 2:39 AM EDT | Flash Flood Warning | CTP | Union | 2 hr |
| Aug 18, 3:05 AM EDT | Flash Flood Warning | CTP | Tioga | 3 hr |
| Aug 18, 3:10 AM EDT | Flash Flood Warning | CTP | Lycoming | 3 hr |
| Aug 18, 3:40 AM EDT | Flash Flood Warning | CTP | Clearfield, Clinton | 4 hr |
| Aug 18, 3:52 AM EDT | Flash Flood Warning | CTP | Centre | 4 hr |
| Aug 18, 4:25 AM EDT | Flash Flood Warning | CTP | Tioga | 6 hr |
| Aug 18, 4:34 AM EDT | Flash Flood Warning | CTP | Lycoming, Union | 5 hr |
| Aug 18, 9:00 AM EDT | Flash Flood Warning | CTP | Cameron | 3 hr |
| Aug 18, 9:57 AM EDT | Flash Flood Warning | CTP | Lycoming, Tioga | 3 hr |
| Aug 18, 1:00 PM EDT | Flash Flood Warning | CTP | Lycoming | 5 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1994Every flash flood warning in 1994
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.