Alert archive / Pennsylvania / Flash Flood Warnings in 1992

Flash Flood Warning 4, NWS State College, PA

June 7, 1992Lancaster County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 7, 1992, 6:05 PM EDT for Lancaster County, Pennsylvania. It was in force for 115 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1992, 6:05 PM EDT (22:05 UTC)
Expired
Jun 7, 1992, 8:00 PM EDT
In force
115 min
Issued by
NWS State College, PA
Area
Whole counties

County Lancaster County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.1 hours before the alert went out and 157 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, Washington/Dulle, VA at 12:00Z on 1992-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 123 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, Washington/Dulle, VA at 12:00Z on 1992-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
123 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHAR 072209
FFWHAR
PAC071-080000-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
605 PM EDT SUN JUN 7 1992
 
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  800 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTH CENTRAL PENNSYLVANIA
 
   ...LANCASTER COUNTY
 
AT 600 PM EDT LANCASTER COUNTY EMERGENCY MANAGEMENT REPORTS SMALL
STREAM FLOODING IN NORTHEAST LANCASTER COUNTY.
 
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.  MOVE TO HIGHER G&ROUND.

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 7, 2:16 PM EDT, 3 hours 49 minutes before
PAZ009-071900-

SPECIAL WEATHER STATEMENT...FOG
NATIONAL WEATHER SERVICE HARRISBURG  PA
215 PM EDT SUN JUN 7 1992

...THUNDERSTORM DEVELOPING OVER WESTERN LANCASTER COUNTY...

AT 200 PM WEATHER SERVICE
Special weather statement, Jun 7, 2:19 PM EDT, 3 hours 46 minutes before
PAZ009-071900-

SPECIAL WEATHER STATEMENT...CORRECTED HEADER
NATIONAL WEATHER SERVICE HARRISBURG  PA
215 PM EDT SUN JUN 7 1992

...THUNDERSTORM DEVELOPING OVER WESTERN LANCASTER COUNTY...

AT 200 PM WEATHER SERVICE RADAR IN HARRISBURG SHOWED AN ISOLATED
THUNDERSTORM DEVELOPING 12 MILES WEST OF LANCASTER IN LANCASTER
COUNTY.

THIS STORM IS MOVING EAST AT AROUND 10 MILES PER HOUR.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTH-CENTRAL
PENNSYLVANIA OVER THE REMAINDER OF THE AFTERNOON AND EVENING HOURS.
THESE THUNDERSTORMS MAY CONTAIN STRONG GUST WINDS...HAIL...AND HEAVY
RAINS.

REMEMBER...ALL LIGHTNING IS DANGEROUS. IF THUNDERSTORMS APPROACH...SEEK
SHELTER IMMEDIATELY. DO NOT DRIVE THROUGH FLOODED AREAS.

PRA
Special weather statement, Jun 7, 2:41 PM EDT, 3 hours 24 minutes before
PAZ009-071930-

SPECIAL WEATHER STATEMENT...CORRECTED HEADER
NATIONAL WEATHER SERVICE HARRISBURG  PA
240 PM EDT SUN JUN 7 1992

...STRONG THUNDERSTORM OVER WESTERN LANCASTER COUNTY...

AT 240 PM WEATHER SERVICE RADAR IN HARRISBURG SHOWED AN ISOLATED
STRONG THUNDERSTORM WITH INTENSE RAIN 10 MILES WEST OF LANCASTER IN
LANCASTER COUNTY.  THE STORM MAY CONTAIN STRONG GUSTY WINDS...HAIL...
AND HEAVY RAINS.

THIS STORM IS MOVING NORTHEAST AT AROUND 10 MILES PER HOUR.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTH-CENTRAL
PENNSYLVANIA OVER THE REMAINDER OF THE AFTERNOON AND EVENING HOURS.

REMEMBER...ALL LIGHTNING IS DANGEROUS. IF THUNDERSTORMS APPROACH...SEEK
SHELTER IMMEDIATELdY. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED WATERS.

PRA
Special weather statement, Jun 7, 2:59 PM EDT, 3 hours 6 minutes before
PAZ009-072000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG  PA
300 PM EDT SUN JUN 7 1992

...STRONG THUNDERSTORMS OVER LANCASTER AND YORK COUNTIES...

AT 250 PM WEATHER SERVICE RADAR IN HARRISBURG SHOWED AN ISOLATED
STRONG THUNDERSTORM WITH INTENSE RAIN 5 MILES WEST OF LANCASTER IN
LANCASTER COUNTY.  A SECOND STRONG THUNDERSTORM WITH INTENSE RAIN WAS
LOCATED 2 MILES SOUTHEAST OF YORK IN YORK COUNTY.

THESE STORMS ARE MOVING NORTHEAST AT AROUND 10 MILES PER HOUR.

ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS SOUTH-CENTRAL
PENNSYLVANIA OVER THE REMAINDER OF THE AFTERNOON AND EVENING HOURS.

REMEMBER...ALL LIGHTNING IS DANGEROUS. IF YOU ARE IN THE PATH
OF THESE STORMS SEEK SHELTER IMMEDIATELY. DO NOT DRIVE THROUGH FLOODED AREAS.
PRA
Special weather statement, Jun 7, 4:57 PM EDT, 1 hour 8 minutes before
PAZ009-072200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HARRISBURG  PA
445 PM EDT SUN JUN 7 1992

...STRONG THUNDERSTORMS OVER LANCASTER...LEBANON...AND BERKS COUNTIES...

AT 430 PM WEATHER SERVICE RADAR IN HARRISBURG SHOWED WIDELY SCATTERED
STRONG THUNDERSTORMS WITH VERY HEAVY RAIN OVER EASTERN PORTIONS OF THE
LOWER SUSQUEHANNA VALLEY AND EAST CENTRAL PENNSYLVANIA.

THE STRONGEST STORMS WERE LOCATED ABOUT 5 MILES SOUTH OF LEBANON IN
LEBANON COUNTY...ABOUT 3 MILES WEST OF LANCASTER AND 7 MILES SOUTHEAST
OF LANCASTER IN LANCASTER COUNTY...AND NORTH OF READING IN BERKS COUNTY.

ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED ALONG THE MASON-DIXON
LINE 10 MILES WEST OF STEWARTSTOWN IN YORK COUNTY.

THESE STORMS WERE MOVING TOWARDS THE NORTHEAST AT 15 MPH.

THESE STORMS MAY CONTAIN DEADLY LIGHTNING...SMALL HAIL...AND STRONG
GUSTY WINDS. SEEK SHELTER IMMEDIATELY IF THUNDERSTORMS APPROACH YOUR
LOCATION. DO kNOT CROSS FLOODED ROADWAYS.

PRA
Special weather statement, Jun 7, 5:51 PM EDT, 14 minutes before
PAZ009-072300-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HARRISBURG  PA
545 PM EDT SUN JUN 7 1992

...STRONG THUNDERSTORM OVER LANCASTER COUNTY...

AT 530 PM WEATHER SERVICE RADAR IN HARRISBURG SHOWED AN AREA OF WIDELY
SCATERRED THUNDERSTORMS SOME WITH VERY HEAVY RAIN OVER EASTERN PORTIONS
OF THE LOWER SUSQUEHANNA VALLEY AND ACROSS SOUTHEAST AND EAST CENTRAL
PENNSYLVANIA.

THE STRONGEST STORM WAS LOCATED ABOUT 5 MILES SOUTHWEST OF STRASBURG
IN SOUTHERN LANCASTER COUNTY.

ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED NEAR PETERSBURG WEST
VIRGINIA.

THESE STORMS WERE MOVING TOWARDS THE NORTHEAST AT AROUND 25 MPH.
THESE STORMS MAY CONTAIN DEADLY LIGHTNING...SMALL HAIL...AND STRONG
GUSTY WINDS. SEEK SHELTER IMMEDIATELY IF THUNDERSTORMS APPROACH YOUR
LOCATION. DO NOT CROSS FLOODED ROADWAYS.

PRA

Nearby

Flash Flood Warnings in Pennsylvania, 1992Every flash flood warning in 1992

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.