Alert archive / Pennsylvania / Flash Flood Warnings in 1994

Flash Flood Warning 37, NWS State College, PA

August 27, 1994Elk County, Warren County, Pennsylvania

NWS State College, PA issued this flash flood warning at Aug 27, 1994, 4:12 PM EDT for Elk County, Warren County, Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Aug 27, 1994, 4:12 PM EDT (20:12 UTC)
Expired
Aug 27, 1994, 8:00 PM EDT
In force
4 hr
Issued by
NWS State College, PA
Area
Whole counties

Counties Elk County, PA, Warren County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.2 hours before the alert went out and 147 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 12:00Z on 1994-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 698 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 12:00Z on 1994-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
698 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
137 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 KCTP 272014
FFWCTP
PAC047-123-280000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
412 PM EDT SAT AUG 27 1994
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  800 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...ELK COUNTY... EASTERN WARREN COUNTY...
 
AT 400 PM...WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW A BAND OF
THUNDERSTORMS FROM RUSSEL CITY SOUTHEAST TO RT 555. THESE THUNDERSTORMS
ARE NEARLY STATIONARY AND HAVE PRODUCED BETWEEN TWO AND THREE INCHES OF
RAIN IN THE LAST TWO HOURS FROM EASTERN WARREN COUNTY SOUTH ACROSS ELK
COUNTY.
 
MOST DEATHS IN FLASH 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.
 
 
JUNG

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 27, 1:17 PM EDT, 2 hours 55 minutes before
PAZ004>006-037-041-042-271820-

SPECIAL WEATHER STATEMENT - THUNDERSTORMS
NATIONAL WEATHER SERVICE STATE COLLEGE PA
117 PM EDT SAT AUG 27 1994

...STRONG THUNDERSTORM APPROACHING THE COUDERSPORT AREA...

AT 115 PM EDT... DOPPLER RADAR FROM STATE COLLEGE SHOWED A STRONG
THUNDERSTORM ABOUT 10 MILES WEST OF COUDERSPORT. THIS STORM WILL MOVE
EAST ALONG RTE 6 AND CROSS THE COUDERSPORT AREA AROUND 130 PM. THIS
STORM WILL REACH NEAR GALETON BY 215 PM.

THIS THUNDERSTORM WAS PART OF AN AREA OF SCATTERED THUNDERSTORMS THAT
EXTENDED ALONG THE NORTHERN TIER COUNTIES FROM TIOGA COUNTY WEST TO
WARREN COUNTY. SCATTERED THUNDERSTORMS WILL CONTINUE IN NORTH CENTRAL
PENNSYLVANIA THROUGH 3 PM.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.

NICOSIA
Special weather statement, Aug 27, 1:18 PM EDT, 2 hours 54 minutes before
PAZ004>006-037-041-042-271820-

SPECIAL WEATHER STATEMENT - THUNDERSTORMS
NATIONAL WEATHER SERVICE STATE COLLEGE PA
117 PM EDT SAT AUG 27 1994

...STRONG THUNDERSTORM APPROACHING THE COUDERSPORT AREA...

AT 115 PM EDT... DOPPLER RADAR FROM STATE COLLEGE SHOWED A STRONG
THUNDERSTORM ABOUT 10 MILES WEST OF COUDERSPORT. THIS STORM WILL MOVE
EAST ALONG RTE 6 AND CROSS THE COUDERSPORT AREA AROUND 130 PM. THIS
STORM WILL REACH NEAR GALETON BY 215 PM.

THIS THUNDERSTORM WAS PART OF AN AREA OF SCATTERED THUNDERSTORMS THAT
EXTENDED ALONG THE NORTHERN TIER COUNTIES FROM TIOGA COUNTY WEST TO
WARREN COUNTY. SCATTERED THUNDERSTORMS WILL CONTINUE IN NORTH CENTRAL
PENNSYLVANIA THROUGH 3 PM.

AT SIGNS OFR AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.

NICOSIA

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 27, 1:47 PM EDTSevere Thunderstorm WarningCTPPotter43 min
Aug 27, 2:15 PM EDTSevere Thunderstorm WarningCTPCameron, McKean60 min
Aug 27, 2:23 PM EDTFlash Flood WarningCTPMcKean3 hr
Aug 27, 2:39 PM EDTSevere Thunderstorm WarningCTPTioga36 min
Aug 27, 2:52 PM EDTSevere Thunderstorm WarningCTPColumbia, Sullivan38 min
Aug 27, 3:15 PM EDTFlash Flood WarningCTPElk60 min
Aug 27, 3:56 PM EDTSevere Thunderstorm WarningCTPLycoming49 min
Aug 27, 4:16 PM EDTSevere Thunderstorm WarningCTPMonroe, Northampton44 min
Aug 27, 4:56 PM EDTSevere Thunderstorm WarningCTPClearfield64 min
Aug 27, 5:03 PM EDTSevere Thunderstorm WarningCTPNorthampton42 min
Aug 27, 5:07 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Union68 min
Aug 27, 5:32 PM EDTSevere Thunderstorm WarningCTPColumbia58 min
Aug 27, 6:20 PM EDTSevere Thunderstorm WarningCTPSchuylkill55 min
Aug 27, 6:37 PM EDTSevere Thunderstorm WarningCTPDauphin68 min
Aug 27, 6:55 PM EDTSevere Thunderstorm WarningCTPBerks65 min
Aug 27, 7:31 PM EDTSevere Thunderstorm WarningCTPJuniata, Mifflin44 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.