Alert archive / Pennsylvania / Flash Flood Warnings in 2003
Flash Flood Warning 17, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 9, 2003, 3:47 PM EDT for Tioga County, Pennsylvania. It was in force for 3 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
- Aug 9, 2003, 3:47 PM EDT (19:47 UTC)
- Expired
- Aug 9, 2003, 6:45 PM EDT
- In force
- 3 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 19:51 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, 7.8 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
- 421 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCTP 091948 FFWCTP PAC117-092245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 347 PM EDT SAT AUG 9 2003 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * FLASH FLOOD WARNING FOR... TIOGA COUNTY IN NORTH CENTRAL PENNSYLVANIA * UNTIL 645 PM EDT. * AT 346 PM...A WEATHER SPOTTER REPORTED 2.5 INCHES OF RAIN IN 25 MINUTES IN THE VICINITY OF HILLS CREEK LAKE...IN CENTRAL TIOGA COUNTY JUST OF NORTHEAST OF WELLSBORO. SLOW MOVING THUNDERSTORMS CAN BE EXPECTED TO CONTINUE INTO THE EVENING HOURS...CREATING THE POTENTIAL FOR LOCALIZED FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER GROUND. $$ LAT...LON 4196 7695 4157 7694 4158 7758 4197 7757 LA CORTE/LIPTON
1 follow-up statement
000 WGUS71 KCTP 092023 FFSCTP PAC117-092215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 416 PM EDT SAT AUG 9 2003 ...A FLASH FLOOD WARNING CONTINUES FOR TIOGA COUNTY UNTIL 645 PM EDT... AT 415 PM EDT...DOPPLER RADAR CONTINUED TO SHOW SLOW MOVING SHOWERS AND THUNDERSTORMS PRODUCING TORRENTIAL RAINS FROM ABOUT THE TOWN OF TIOGA WEST THROUGH WESTFIELD. EARLIER REPORTS INDICATED THAT MORE THAN 2.5 INCHES OF RAIN FELL IN LESS THAN 30 MINUTES FROM SOME OF THESE SHOWERS AND THUNDERSTORMS. EMERGENCY MANAGEMENT REPORTED PORTIONS OF SEVERAL ROADS CLOSED DUE TO FLOODING. CATLIN HOLLOW ROAD HAD SECTIONS CLOSED BETWEEN MIDDLEBURY AND WELLSBORO. DEAN HILL ROAD HAD PORTIONS CLOSED IN THE VICINITY OF WELLSBORO AND LOWER HILLS CREEK ROAD JUST EAST OF WELLSBORO WAS ALSO CLOSED. SHOWERS AND THUNDERSTORMS WILL ONLY SLOWLY MOVE NORTH AND TAPER OFF BETWEEN 5 AND 7 PM. THE THREAT FOR FLOODING WILL CONTINUE OVER THE AREA THROUGH 645 PM. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER GROUND. $$ LAT...LON 4161 7759 4171 7694 4199 7695 4198 7759 LA CORTE
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 58 min |
| Aug 9, 7:06 PM EDT | Flash Flood Warning | CTP | Tioga | 3 hr |
| Aug 9, 7:21 PM EDT | Flash Flood Warning | CTP | McKean | 3 hr |
| Aug 9, 7:32 PM EDT | Flash Flood Warning | CTP | Blair, Clearfield | 3 hr |
| Aug 9, 7:42 PM EDT | Flash Flood Warning | CTP | Cameron | 3 hr |
| Aug 9, 7:46 PM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2003Every flash flood warning in 2003
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.