Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 3, NWS State College, PA
NWS State College, PA issued this flash flood warning at May 1, 1994, 5:37 AM EDT for Franklin County, Fulton County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 1, 1994, 5:37 AM EDT (09:37 UTC)
- Expired
- May 1, 1994, 8:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
Counties Franklin County, PA, Fulton County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 9.6 hours before the alert went out and 117 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
- 1201 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 010941 FFWHAR PAC055-057-011245- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE HARRISBURG PA ISSUED BY PHILADELPHIA/MOUNT HOLLY NJ 537 AM EDT SUN MAY 1 1994 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING FOR SMALL STREAMS AND CREEKS EFFECTIVE UNTIL 845 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL PENNSYLVANIA ...FRANKLIN COUNTY...FULTON COUNTY HEAVY RAINS OVERNIGHT HAVE CAUSED SOME FLOODING OF SECONDARY ROADS ACCORDING TO COUNTY OFFICIALS. ADDITIONALLY...SMALL STREAMS AND CREEKS ARE NEAR BANKFULL EARLY THIS MORNING. AT 530 AM EDT WEATHER SERVICE DOPPLER RADAR INDICATED THAT ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN WAS MOVING NORTHEAST INTO FULTON AND FRANKLIN COUNTIES. WITH THE GROUND NEARLY SATURATED...RUNOFF FROM THIS RAINFALL MAY CAUSE SMALL STREAMS AND CREEKS TO OVERFLOW THEIR BANKS. IF YOU ARE IN THE WARNED COUNTY IN AN AREA SUBJECT TO FLOODING0 MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH FLOOD WATERS. CLIMBING ATOP YOUR STALLED VEHICLE WILL NOT PREVENT YOU FROM BEING SWEPT INTO DANGEROUS STREAM CONDITIONS AS WATER LEVELS RISE. DCY &
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, May 1, 3:00 AM EDT, 2 hours 37 minutes before
PAZ012-037-038-041-042-045-046-049>052-010805- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 300 AM EDT SUN MAY 1 1994 ...STRONG THUNDERSTORMS MOVING INTO NORTHCENTRAL PENNSYLVANIA... AT 300 AM EDT...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR THE POTTER-TIOGA COUNTY LINE SOUTH TO NEAR RENOVO AND PHILIPSBURG. ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS NEAR LEWISTOWN AND MIFFLINTOWN IN THE SOUTHCENTRAL MOUNTAINS. THE STRONGEST THUNDERSTORMS WERE INDICATED OVER POTTER AND MIFFLIN COUNTIES. THE PUBLIC IN THE BROOKLYN (POTTER COUNTY / ULYSSES TOWNSHIP) REPORTED VERY HEAVY RAIN AND STRONG WINDS AS THE STORM MOVED THROUGH THAT AREA. NO WIND DAMAGE WAS REPORTED IN POTTER COUNTY BUT DAMAGING WINDS HAVE BEEN REPORTED WITH THE LINE OF THUNDERSTORMS AS THEY MOVED THROUGH WESTERN PENNSYLVANIA. ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE THUNDERSTORMS WILL REACH WELLSBORO AND LOCK HAVEN AROUND 330 AM. OTHER THUNDERSTORMS COULD REACH WILLIAMSPORT BY 400 AM. IF THUNDERSTORMS APPROACH YOUR LOCATION...MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS. LIGHTNING IS THE GREATEST POTENTIAL KILLER IN ANY THUNDERSTORM. AVOID USING THE TELEPHONE OR ELECTRICAL APPLIANCES WHEN A THUNDERSTORM IS NEAR. LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE. NEMETH
Special weather statement, May 1, 3:06 AM EDT, 2 hours 31 minutes before
PAZ012-037-038-041-042-045-046-049>052-010805- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 300 AM EDT SUN MAY 1 1994 ...STRONG THUNDERSTORMS MOVING INTO NORTHCENTRAL PENNSYLVANIA... AT 300 AM EDT...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR THE POTTER-TIOGA COUNTY LINE SOUTH TO NEAR RENOVO AND PHILIPSBURG. ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS NEAR LEWISTOWN AND MIFFLINTOWN IN THE SOUTHCENTRAL MOUNTAINS. THE STRONGEST THUNDERSTORMS WERE INDICATED OVER POTTER AND MIFFLIN COUNTIES. THE PUBLIC IN THE BROOKLYN (POTTER COUNTY / ULYSSES TOWNSHIP) REPORTED VERY HEAVY RAIN AND STRONG WINDS AS THE STORM MOVED THROUGH THAT AREA. NO WIND DAMAGE WAS REPORTED IN POTTER COUNTY BUT DAMAGING WINDS HAVE BEEN REPORTED WITH THE LINE OF THUNDERSTORMS AS THEY MOVED THROUGH WESTERN PENNSYLVANIA. ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE THUNDERSTORMS WILL REACH WELLSBORO AND LOCK HAVEN AROUND 330 AM. OTHER THUNDERSTORMS COULD REACH WILLIAMSPORT BY 400 AM. IF THUNDERSTORMS APPROACH YOUR LOCATION...MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS. LIGHTNING IS THE GREATEST POTENTIAL KILLER IN ANY THUNDERSTORM. AVOID USING THE TELEPHONE OR ELECTRICAL APPLIANCES WHEN A THUNDERSTORM IS NEAR. LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE. NEMETH
Special weather statement, May 1, 4:00 AM EDT, 1 hour 37 minutes before
PAZ012-037-038-041-042-045-046-049>052-010905- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 400 AM EDT SUN MAY 1 1994 ...THUNDERSTORMS WITH STRONG WINDS MOVING THROUGH NORTHCENTRAL PENNSYLVANIA... AT 400 AM EDT...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR THE TIOGA-BRADFORD COUNTY LINE...INTO WESTERN LYCOMING COUNTY NEAR JERSEY SHORE THEN TO CENTER HALL IN CENTRE COUNTY. ANOTHER CLUSTER OF THUNDERSTORMS WAS NEAR LEWISBURG...MIFFLINBURG AND MIDDLEBURG. THE STRONGEST THUNDERSTORMS WERE INDICATED OVER TIOGA...AND WESTERN LYCOMING COUNTIES. THE EMERGENCY MANAGEMENT OFFICE IN TIOGA COUNTY REPORTED VERY HEAVY RAIN AND GUSTY WINDS AS THE STORMS MOVED THROUGH THE COUNTY. AS OF 400 AM...NO DAMAGE HAS BEEN REPORTED. AN ESTIMATED WIND GUST OF 45 MPH WAS REPORTED AS THE STORMS MOVED THROUGH STATE COLLEGE. ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE THUNDERSTORMS WILL AFFECT WILLIAMSPORT...LEWISBURG AND SUNBURY THROUGH 430 AM. THE THUNDERSTORMS WILL THEN PASS THROUGH TOWANDA... LAPORTE AND MUNCY BY 500 AM. THE THUNDERSTORMS WILL PRODUCE WIND GUSTS OF 40 TO 50 MPH...DANGEROUS LIGHTNING AND VERY HEAVY RAIN. IF THUNDERSTORMS APPROACH YOUR LOCATION...MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS. LIGHTNING IS THE GREATEST POTENTIAL KILLER IN ANY THUNDERSTORM. AVOID USING THE TELEPHONE OR ELECTRICAL APPLIANCES WHEN A THUNDERSTORM IS NEAR. LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE. NEMETH
Special weather statement, May 1, 4:02 AM EDT, 1 hour 35 minutes before
PAZ012-037-038-041-042-045-046-049>052-010905- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 400 AM EDT SUN MAY 1 1994 ...THUNDERSTORMS WITH STRONG WINDS MOVING THROUGH NORTHCENTRAL PENNSYLVANIA... AT 400 AM EDT...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR THE TIOGA-BRADFORD COUNTY LINE...INTO WESTERN LYCOMING COUNTY NEAR JERSEY SHORE THEN TO CENTER HALL IN CENTRE COUNTY. ANOTHER CLUSTER OF THUNDERSTORMS WAS NEAR LEWISBURG...MIFFLINBURG AND MIDDLEBURG. THE STRONGEST THUNDERSTORMS WERE INDICATED OVER TIOGA...AND WESTERN LYCOMING COUNTIES. THE EMERGENCY MANAGEMENT OFFICE IN TIOGA COUNTY REPORTED VERY HEAVY RAIN AND GUSTY WINDS AS THE STORMS MOVED THROUGH THE COUNTY. AS OF 400 AM...NO DAMAGE HAS BEEN REPORTED. AN ESTIMATED WIND GUST OF 45 MPH WAS REPORTED AS THE STORMS MOVED THROUGH STATE COLLEGE. ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE THUNDERSTORMS WILL AFFECT WILLIAMSPORT...LEWISBURG AND SUNBURY THROUGH 430 AM. THE THUNDERSTORMS WILL THEN PASS THROUGH TOWANDA... LAPORTE AND MUNCY BY 500 AM. THE THUNDERSTORMS WILL PRODUCE WIND GUSTS OF 40 TO 50 MPH...DANGEROUS LIGHTNING AND VERY HEAVY RAIN. IF THUNDERSTORMS APPROACH YOUR LOCATION...MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS. LIGHTNING IS THE GREATEST POTENTIAL KILLER IN ANY THUNDERSTORM. AVOID USING THE TELEPHONE OR ELECTRICAL APPLIANCES WHEN A THUNDERSTORM IS NEAR. LISTEN TO NOAA WEATHER RADIO OR COMMERCIAL TV AND RADIO FOR ADDITIONAL STATEMENTS OR WARNINGS FROM THE NATIONAL WEATHER SERVICE. NEMETH
Special weather statement, May 1, 5:15 AM EDT, 22 minutes before
PAZ012-037-038-041-042-045-046-049>052-011000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 515 AM EDT SUN MAY 1 1994 ...THUNDERSTORMS MOVING OUT OF NORTHCENTRAL PENNSYLVANIA... AT 505 AM EDT...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM SUSQUEHANNA COUNTY OF NORTHEAST PENNSYLVANIA SOUTH TO NEAR SHAMOKIN AND BLOOMSBURG. OTHER SCATTERED SHOWERS WERE IN WESTERN PENNSYLVANIA FROM NEAR WARREN TO CLARION AND GREENSBURG. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE EMERGENCY MANAGEMENT OFFICE IN BRADFORD COUNTY REPORTED VERY HEAVY RAIN AND GUSTY WINDS AS THE STORMS MOVED THROUGH...BUT NO DAMAGE OCCURRED. WINDS GUSTED TO 36 MPH AS THE STORMS MOVED THROUGH WILLIAMSPORT. THE THUNDERSTORMS WILL MOVE OUT OF NORTHCENTRAL PENNSYLVANIA BY 530 AM. SCATTERED SHOWERS ARE STILL POSSIBLE THROUGH THE REST OF THE EARLY MORNING HOURS. NEMETH
Special weather statement, May 1, 5:15 AM EDT, 22 minutes before
PAZ012-037-038-041-042-045-046-049>052-011000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLIAMSPORT PA 515 AM EDT SUN MAY 1 1994 ...THUNDERSTORMS MOVING OUT OF NORTHCENTRAL PENNSYLVANIA... AT 505 AM EDT...NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM SUSQUEHANNA COUNTY OF NORTHEAST PENNSYLVANIA SOUTH TO NEAR SHAMOKIN AND BLOOMSBURG. OTHER SCATTERED SHOWERS WERE IN WESTERN PENNSYLVANIA FROM NEAR WARREN TO CLARION AND GREENSBURG. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. THE EMERGENCY MANAGEMENT OFFICE IN BRADFORD COUNTY REPORTED VERY HEAVY RAIN AND GUSTY WINDS AS THE STORMS MOVED THROUGH...BUT NO DAMAGE OCCURRED. WINDS GUSTED TO 36 MPH AS THE STORMS MOVED THROUGH WILLIAMSPORT. THE THUNDERSTORMS WILL MOVE OUT OF NORTHCENTRAL PENNSYLVANIA BY 530 AM. SCATTERED SHOWERS ARE STILL POSSIBLE THROUGH THE REST OF THE EARLY MORNING HOURS. NEMETH
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 8:59 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 61 min |
| Apr 30, 10:09 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 66 min |
| Apr 30, 10:43 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, York | 62 min |
| Apr 30, 10:43 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 62 min |
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.