Alert archive / Pennsylvania / Flash Flood Warnings in 1994

Flash Flood Warning 4, NWS State College, PA

June 25, 1994Bradford County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 25, 1994, 1:09 AM EDT for Bradford County, Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 1:09 AM EDT (05:09 UTC)
Expired
Jun 25, 1994, 5:15 AM EDT
In force
4 hr
Issued by
NWS State College, PA
Area
Whole counties

County Bradford County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 5.2 hours before the alert went out and 220 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 1994-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 1994-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
49 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
610 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHL 250517
FFWAVP
PAC015-250915-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILKES BARRE SCRANTON PA
ISSUED BY PHILADELPHIA/MOUNT HOLLY NJ
109 AM EDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 515 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST PENNSYLVANIA
 
   ...NORTHERN BRADFORD COUNTY
 
BRADFORD COUNTY OFFICE OF EMERGENCY MANAGEMENT HAS REPORTED WIDESPREAD
FLASH FLOODING ALONG THE BENTLEY CREEK IN RICHBURY.  THE CREEK IS
CURRENTLY RECEDING.  OTHER FLOODING WAS REPORTED IN TROY...WEST BURLINGT
...ATHENS AND SPRINGFIELD. MANY ROADS ARE CLOSED AND PERSONS ARE BEING
EVACUATED.
 
UNDER NO CIRCUMST
ANCES IS ANY MOTORIST TO EVEN ATTEMPT DRIVING ON A
FLOODED ROADWAY AND PLEASE EVACUATE IF TOLD TO BY EMERGENCY MANAGEMENT
PERSONNEL.
 
&

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, Jun 24, 8:30 PM EDT, 4 hours 39 minutes before
PAZ012-037-038-041-042-045-046-049>052-250130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
830 PM EDT FRI JUN 24 1994

...SCATTERED THUNDERSTORMS WITH HEAVY RAIN ACROSS PORTIONS OF
NORTHCENTRAL PENNSYLVANIA...

AT 830 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED
THUNDERSTORMS MOVING THROUGH TIOGA...BRADFORD AND SULLIVAN COUNTIES.
IFLOWS GAGES...EMERGENCY MANAGEMENT AGENCIES...AND SPOTTERS HAVE
REPORTED ANYWHERE FROM .50 INCH TO 1.50 INCHES OF RAINFALL FROM THESE
THUNDERSTORMS.  THE HEAVY RAINFALL FROM THESE STORMS WAS PRODUCING
SOME LOCALIZED FLOODING OF ROADWAYS AND POOR DRAINAGE AREAS.

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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

THESE THUNDERSTORMS MAY ALSO PRODUCE GUSTY WINDS AND SMALL HAIL.  IF
THUNDERSTORMS APPROACH YOUR AREA...SEEK SHELTER INSIDE A STRONG
BUILDING AND STAY AWAY FROM WINDOWS.  REMEMBER ALSO...LIGHTNING CAN
KILL.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS CONCERNING
THUNDERSTORMS.

GINGRICH/WOODWORTH
Special weather statement, Jun 24, 9:10 PM EDT, 3 hours 59 minutes before
PAZ018-019-026>028-035-036-049>052-056-057-059-063>066-250200-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HARRISBURG PA
910 PM EDT FRI JUN 24 1994

...STRONG THUNDERSTORM WITH HEAVY RAIN MOVING THROUGH FULTON COUNTY...

AT 9 PM HARRISBURG RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN
OVER SOUTHERN FULTON COUNTY.  THIS STORM IS MOVING TOWARD THE NORTHEAST
AT 30 MPH AND WILL MOVE INTO FRANKLIN COUNTY BY 945 PM.  THE VERY HEAVY RAINFALLFROM THESE STORMS COULD RESULT IN LOCALIZED FLOODING OF ROADWAYS AND POOR
DRAINAGE AREAS.

NEVER TRY TO DRIVE THROUGH STANDING WATER ON THE ROADWAY. ANYONE LIVING
IN FLOOD PRONE AREAS SHOULD STAY ALERT FOR FLOODING IF HEAVY RAINFALL OCCURS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AND STATEMENTS.

GRC
Local storm report, Jun 24, 9:15 PM EDT, 3 hours 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HARRISBURG PA
915 PM EDT FRI JUN 24 1994

EVENT                         DATE/TIME(EDT)  COUNTY          CITY

TREES UPROOTED...ONE TREE     6/24/94/445 PM  SNYDER        MIDDLEBURG
WAS SNAPPED OFF AND FELL
ONTO A GARAGE.

GRC
Special weather statement, Jun 24, 9:30 PM EDT, 3 hours 39 minutes before
PAZ012-037-038-041-042-045-046-049>052-250245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
930 PM EDT FRI JUN 24 1994

...SCATTERED THUNDERSTORMS WITH HEAVY RAIN ACROSS PORTIONS OF
NORTHCENTRAL PENNSYLVANIA...

AT 930 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND
THUNDERSTORMS MOVING THROUGH TIOGA AND BRADFORD COUNTIES OF
NORTHCENTRAL PENNSYLVANIA.  THIS AREA OF SHOWERS AND THUNDERSTORMS
SHOULD BE MOVING OUT OF TIOGA AND BRADFORD COUNTIES INTO SOUTHERN NEW
YORK BY 1100 PM EDT.  IFLOWS GAGES...EMERGENCY MANAGEMENT
AGENCIES...AND SPOTTERS HAVE REPORTED MOST LOCATIONS RECEIVING
BETWEEN .50 INCH TO 1.50 INCHES OF RAINFALL FROM THUNDERSTORMS THIS
EVENING.  HOWEVER...A FEW LOCATIONS IN TIOGA AND BRADFORD COUNTIES
HAVE RECEIVED BETWEEN 2.00 AND 3.00 INCHES OF RAINFALL SINCE THIS
MORNING.  THE HEAVY RAINFALL FROM THESE STORMS HAS PRODUCED SOME
FLOODING OF ROADWAYS...AS WELL AS LOW-LYING AND POOR DRAINAGE AREAS.

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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

GINGRICH/WOODWORTH
Special weather statement, Jun 24, 9:31 PM EDT, 3 hours 38 minutes before
PAZ012-037-038-041-042-045-046-049>052-250245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
930 PM EDT FRI JUN 24 1994

...SCATTERED THUNDERSTORMS WITH HEAVY RAIN ACROSS PORTIONS OF
NORTHCENTRAL PENNSYLVANIA...

AT 930 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND
THUNDERSTORMS MOVING THROUGH TIOGA AND BRADFORD COUNTIES OF
NORTHCENTRAL PENNSYLVANIA.  THIS AREA OF SHOWERS AND THUNDERSTORMS
SHOULD BE MOVING OUT OF TIOGA AND BRADFORD COUNTIES INTO SOUTHERN NEW
YORK BY 1100 PM EDT.  IFLOWS GAGES...EMERGENCY MANAGEMENT
AGENCIES...AND SPOTTERS HAVE REPORTED MOST LOCATIONS RECEIVING
BETWEEN .50 INCH TO 1.50 INCHES OF RAINFALL FROM THUNDERSTORMS THIS
EVENING.  HOWEVER...A FEW LOCATIONS IN TIOGA AND BRADFORD COUNTIES
HAVE RECEIVED BETWEEN 2.00 AND 3.00 INCHES OF RAINFALL SINCE THIS
MORNING.  THE HEAVY RAINFALL FROM THESE STORMS HAS PRODUCED SOME
FLOODING OF ROADWAYS...AS WELL AS LOW-LYING AND POOR DRAINAGzE AREAS.

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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

GINGRICH/WOODWORTH
Special weather statement, Jun 24, 11:25 PM EDT, 1 hour 44 minutes before
PAZ018-019-026>028-035-036-049>052-056-057-059-063>066-250430-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HARRISBURG PA
1125 PM EDT FRI JUN 24 1994

...STRONG THUNDERSTORM WITH HEAVY RAIN MOVING THROUGH FRANKLIN COUNTY...

AT 1120 PM HARRISBURG RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN OVER
FRANKLIN COUNTY NEAR CHAMBERSBURG.  THE STORM IS MOVING TOWARD THE NORTHEAST
AT 30 MPH AND WILL MOVE INTO CUMBERLAND COUNTY BY 1150 PM.  THE RAINFALL FROM
THESE STORMS COULD RESULT IN LOCALIZED FLOODING OF ROADWAYS AND POOR DRAINAGE
AREAS.

NEVER TRY TO DRIVE THROUGH STANDING WATER ON THE ROADWAY. ANYONE LIVING
IN FLOOD PRONE AREAS SHOULD STAY ALERT FOR FLOODING IF HEAVY RAINFALL OCCURS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AND STATEMENTS.

GRC

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.