Alert archive / Pennsylvania / Flash Flood Warnings in 1993
Flash Flood Warning 30, NWS State College, PA
NWS State College, PA issued this flash flood warning at Apr 16, 1993, 5:15 PM EDT for Bradford County, Clinton County, Lycoming County, Pennsylvania. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 1993, 5:15 PM EDT (21:15 UTC)
- Expired
- Apr 16, 1993, 10:15 PM EDT
- In force
- 5 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Bradford County, PA, Clinton County, PA, Lycoming County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.3 hours before the alert went out and 212 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
In the hours before
Special weather statement, Apr 16, 1:11 PM EDT, 4 hours 4 minutes before
PAZ006-008-009-013-162000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 110 PM EDT FRI APR 16 1993 ...FLOOD WARNINGS FOR SMALL STREAMS IN EFFECT FOR ADAMS...CENTRE...FRANKLIN... AND HUNTINGDON COUNTIES UNTIL 430 PM... ...FLOOD WARNINGS FOR SMALL STREAMS IN EFFECT FOR CUMBERLAND...DAUPHIN...AND YORK COUNTIES UNTIL 515 PM... ...A FLOOD WATCH IS IN EFFECT FOR THE SOUTH CENTRAL MOUNTAINS...AND THE LOWER AND MIDDLE SUSQUEHANNA VALLEY UNTIL 1000 PM... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF EASTERN PENNSYLVANIA UNTIL 200 PM... AT 100 PM HARRISBURG RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN OVER YORK AND DAUPHIN COUNTIES. THESE STORMS WERE PART OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NORTHEAST PENNSYLVANIA SOUTHEASTWARD TO NORTHEAST VIRGINIA. THE INDIVIDUAL STORMS WERE MOVING TOWARD THE NORTHEAST AROUND 45 MILES AN HOUR WHILE THE ENTIRE AREA WAS MOVING TOWARD THE EAST AROUND 20 MPH. AT 1215 REPORTS WERE RECEIVED OF MINOR STREET FLOODING IN DAUPHIN...CENTRE... AND CUMBERLAND COUNTIES. ONE INCIDENT OF BASEMENT FLOODING WAS REPORTED IN CUMBERLAND COUNTY. IN HUNTINGDON COUNTY A FLOOD EMERGENCY WAS DECLARED FOR HUNTINGDON BOROUGH AND THE MUDDY RUN WAS REPORTED TO BE OUT OF ITS BANKS. IN FRANKLIN COUNTY ONE ROAD IN GREENE TOWNSHIP WAS CLOSED DUE TO FLOODING. DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD...ONLY 2 FEET OF WATER CAN SWEEP YOU AND YOUR ChAR DOWNSTREAM. DO NOT DRIVE AROUND POLICE BARRICADES. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV AND RADIO STATIONS FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. MATUSIEWICZ
Special weather statement, Apr 16, 2:17 PM EDT, 2 hours 58 minutes before
PAZ007-008-014-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 220 PM EDT FRI APR 16 1993 ...SEVERE THUNDERSTORM WATCH HAS EXPIRED... AT 200 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED SHOWERS AND THUNDERSTORMS COVERING MUCH OF EASTERN AND SECTIONS OF CENTRAL PENNSYLVANIA. THE IMMEDIATE THREAT FOR SEVERE WEATHER HAS ENDED ACROSS NORTHCENTRAL PENNSYLVANIA AND THEREFORE THE SEVERE THUNDERSTORM WATCH HAS EXPIRED. HOWEVER...A COLD FRONT MOVING THROUGH WESTERN PENNSYLVANIA AT THIS TIME IS EXPECTED TO CROSS THROUGH NORTHCENTRAL PENNSYLVANIA THIS EVENING. THIS COULD CAUSE SHOWERS AND THUNDERSTORMS TO REDEVELOP WITH THE THREAT OF SEVERE WEATHER ONCE AGAIN. STAY TUNED TO NOAA WEATHER RADIO THROUGH THE AFTERNOON FOR FURTHER INFORMATION ON THIS SITUATION. ANY ADDITIONAL RAINFALL WILL ADD TO THE ALREADY FULL CREEKS AND STREAMS ACROSS THE REGION. KJF/HM
Special weather statement, Apr 16, 2:53 PM EDT, 2 hours 22 minutes before
PAZ006-008-009-013-162200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HARRISBURG PA 250 PM EDT FRI APR 16 1993 ...SEVERE THUNDERSTORM WATCH EXPIRED AT 2 PM... ...FLOOD WARNINGS FOR SMALL STREAMS IN EFFECT FOR ADAMS...CENTRE...FRANKLIN... AND HUNTINGDON COUNTIES UNTIL 430 PM... ...FLOOD WARNINGS FOR SMALL STREAMS IN EFFECT FOR CUMBERLAND...DAUPHIN...AND YORK COUNTIES UNTIL 515 PM... ...A FLOOD WATCH IS IN EFFECT FOR THE SOUTH CENTRAL MOUNTAINS...AND THE LOWER AND MIDDLE SUSQUEHANNA VALLEY UNTIL 1000 PM... AT 230 PM HARRISBURG RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN OVER SCHUYLKILL...BERKS...AND YORK COUNTIES. THESE STORMS WERE PART OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NORTH CENTRAL AND NORTHEAST PENNSYLVANIA SOUTHWARD TO NORTHEAST VIRGINIA AND SOUTHERN MARYLAND. THE INDIVIDUAL STORMS WERE MOVING TOWARD THE NORTHEAST AROUND 35 MILES AN HOUR WHILETHE ENTIRE AREA WAS MOVING TOWARD THE EAST AT 10 TO 20 MILES AN HOUR. THE SEVERE THUNDERSTORM WATCH HAS EXPIRED FOR THE LOWER AND MIDDLE SUSQUEHANN VALLEYS...HOWEVER...ATMOSPHERIC CONDITIONS ARE FAVORABLE FOR THE POSSIBILITY OF MORE SEVERE THUNDERSTORM ACTIVITY LATER THIS AFTERNOON AND EVENING. AS SEVERE STORMS MOVED THROUGH THE REGION THIS MORNING AND EARLY AFTERNOON A ROOF WAS BLOWN OFF A MOBILE HOME IN CUMBERLAND COUNTY AND TREES AND WIRES WERE DOWNED IN UNION COUNTY. NUMEROUS FLOOD WARNINGS WERE ISSUED AND REMAIN IN EFFECT FOR URBAN AND SMALL STREAM FLOODING CAUSED BY HEAVY RAINS ACROSS THE REGION. DO NOT ATTEMPT TO DRIVE OVER A FLOODED ROAD...ONLY 2 FEET OF WATER CAN SWEEP YOU AND YOUR CAR DOWNSTREAM. DO NOT DRIVE AROUND POLICE BARRICADES. STAY TUNED TO NOAA WEAVTHER RADIO OR YOUR LOCAL TV AND RADIO STATIONS FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. MATUSIEWICZ
Special weather statement, Apr 16, 4:33 PM EDT, 42 minutes before
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</head>
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 6:33 AM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| Apr 16, 6:54 AM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Apr 16, 9:19 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 56 min |
| Apr 16, 9:24 AM EDT | Flash Flood Warning | CTP | Franklin | 7 hr |
| Apr 16, 9:30 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Apr 16, 9:45 AM EDT | Severe Thunderstorm Warning | CTP | Union | 60 min |
| Apr 16, 9:59 AM EDT | Severe Thunderstorm Warning | CTP | Bradford | 31 min |
| Apr 16, 10:15 AM EDT | Flash Flood Warning | CTP | Clinton | 4 hr |
| Apr 16, 10:15 AM EDT | Flash Flood Warning | CTP | Bradford | 4 hr |
| Apr 16, 11:25 AM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, York | 6 hr |
| Apr 16, 12:25 PM EDT | Flash Flood Warning | CTP | Tioga | 110 min |
| Apr 16, 1:56 PM EDT | Flash Flood Warning | CTP | Bradford, Clinton, Lycoming, Sullivan, Tioga | 4 hr |
| Apr 16, 3:55 PM EDT | Flash Flood Warning | CTP | Lancaster | 5 hr |
| Apr 16, 4:14 PM EDT | Flash Flood Warning | CTP | Franklin, Huntingdon | 5 hr |
| Apr 16, 7:48 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 57 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1993Every flash flood warning in 1993
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.