Alert archive / Pennsylvania / Flash Flood Warnings in 1989

Flash Flood Warning 35, NWS Cleveland, OH

June 22, 1989Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jun 22, 1989, 7:07 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 22, 1989, 7:07 PM EDT (23:07 UTC)
Expired
Jun 22, 1989, 9:15 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Crawford County, PA, Erie County, PA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.1 hours before the alert went out and 162 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 1989-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 299 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 1989-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
299 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KERI 222307 RRA
FFWERI
PAC049-039-230115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE ERIE PA
707 PM EDT THU JUN 22 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN 
THE FOLLOWING COUNTIES

   IN THE NORTHWEST PART OF PENNSYLVANIA
      SOUTHEAST ERIE...NORTHERN CRAWFORD

DURING THE PAST TWO HOURS THUNDERSTORMS HAVE FORMED REPEATEDLY
OVER AN AREA THAT EXTENDS FROM CAMBRIDGE SPRINGS IN CRAWFORD
COUNTY TO SOUTHEAST ERIE COUNTY.  REPORTS OF ONE-HALF TO ONE INCH
OF RAIN HAVE BEEN RECEIVED OVER THIS AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 IMMEDIATELY.
MOVE TO HIGHER GROUND.

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 22, 2:47 PM EDT, 4 hours 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
237 PM EDT THU JUN 22 1989

...THUNDERSTORMS WILL BRING HEAVY RAIN TO PARTS OF ERIE AND CRAWFORD COUNTY
THIS AFTERNOON...

DURING THE PAST FEW HOURS THUNDERSTORMS HAVE BEEN FORMING ALONG THE
PENNSYLVANIA LAKESHORE...EXTENDING SOUTH THROUGH WESTERN CRAWFORD COUNTY
TO ASHTABULA COUNTY IN NORTHEAST OHIO.

THESE STORMS HAVE BEEN PRODUCING HEAVY DOWNPOURS AND FREQUENT LIGHTNING
STRIKES TO THE GROUND AS THEY MOVE SLOWLY TO THE NORTHEAST.

AS THESE STORMS CONTINUE TO MOVE THROUGH ERIE AND CRAWFORD COUNTY...SOME
FLOODING IS LIKELY TO OCCUR OVER ROADS...UNDERPASSES AND POOR DRAINAGE AREAS.

DO NOT ATTEMPT TO DRIVE THROUGH ANY ROADS THAT ARE FLOODED AND REMAIN INDOORS
WHILE THUNDERSTORMS ARE MOVING THROUGH YOUR AREA.

TJP/ERIE
Special weather statement, Jun 22, 3:07 PM EDT, 4 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
308 PM EDT THU JUN 22 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
NORTHWEST THROUGH SOUTHEAST OHIO UNTIL 900 PM EDT.

SOME CITIES IN THE WATCH ARE TOLEDO... FINDLAY... COLUMBUS... AKRON...
CLEVELAND... AND ZANESVILLE.

ALSO... SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT FOR HENRY AND
FAIRFIELD COUNTIES UNTIL 315 PM EDT. A URBAN AND SMALL STREAM FLOOD
WARNING IS ALSO IN EFFECT FOR HENRY COUNTY UNTIL 445 PM EDT.

AT 300 THIS AFTERNOON RADAR SHOWED THUNDERSTORMS BETWEEN TOLEDO AND
FINDLAY. OTHER THUNDERSTORMS WERE SOUTH OF COLUMBUS. MOVEMENT OF THE
STORMS WAS EAST-SOUTHEAST AT 5 TO 10 MPH.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL... STRONG WINDS
AND TORRENTIAL RAIN. SINCE THE MOVEMENT IS SO SLOW... RAINFALL OF OVER
TWO INCHES IS POSSIBLE WITH SOME OF THE STORMS.

FLOODING OF URBAN AREAS AND QUICK RISES IN SMALL STREAMS AND CREEKS ARE
POSSIBLE THROUGH TONIGHT WITH THESE THUNDERSTORMS.

PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO MONITOR THE WEATHER AND BE
PREPARED TO MOVE TO SAFETY IF SEVERE WEATHER OR FLOODING THREATENS.

ECKERT
Special weather statement, Jun 22, 3:40 PM EDT, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
340 PM EDT THU JUN 22 1989

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST THROUGH
SOUTHEAST OHIO UNTIL 900 PM EDT.

SOME CITIES IN THE WATCH ARE TOLEDO... FINDLAY... COLUMBUS... AKRON...
CLEVELAND... AND ZANESVILLE.

ALSO... URBAN AND SMALL STREAM FLOOD WARNINGS ARE IN EFFECT FOR HENRY
COUNTY UNTIL 445 PM AND FAIRFIELD COUNTY UNTIL 515 PM. A SPECIAL MARINE
WARNING IS IN EFFECT FOR LAKE ERIE FROM CONNEAUT TO RIPLEY UNTIL 530 PM
EDT.

AT 335 THIS AFTERNOON RADAR SHOWED THUNDERSTORMS FROM FINDLAY TO NEAR
FORT WAYNE... INDIANA. ANOTHER BATCH WERE FROM CONNEAUT TO
YOUNGSTOWN... THEN ANOTHER AREA WAS FROM COLUMBUS TO PORTSMOUTH.

ALL OF THE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL... STRONG
WINDS AND TORRENTIAL RAIN. MOVEMENT WAS EAST-SOUTHEAST AT LESS THAN 10
MPH AND THIS WILL CONTRIBUTE TO RAINFALL OF OVER 2 INCHES IN SOME
AREAS.

FLOODING OF URBAN AREAS AND QUICK RISES IN SMALL STREAMS AND CREEKS ARE
POSSIBLE THROUGH TONIGHT WITH THESE THUNDERSTORMS.

OHIOANS SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE
TO SAFETY IF SEVERE WEATHER OR FLOODING OCCURS.

ECKERT
Special weather statement, Jun 22, 4:07 PM EDT, 3 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
408 PM EDT THU JUN 22 1989

SCATTERED HEAVY THUNDERSTORMS WILL POUND THE MAHONING AND SHENANGO
VALLEYS LATE THIS AFTERNOON AND EVENING.

THUNDERSTORMS WILL POP UP QUICKLY AND PRODUCE VERY HEAVY RAIN...
DANGEROUS LIGHTNING AND POSSIBLE GUSTY WINDS AND HAIL.  THE STORMS
ARE DRIFTING VERY SLOWLY TO THE NORTHEAST.  SINCE THE STORMS ARE
MOVING SO SLOW... THE HEAVY RAIN MAY LAST LONG ENOUGH TO PRODUCE
LOCALIZED STREET FLOODING.

IF YOU ENCOUNTER FLOODED STREETS... DRIVE VERY SLOWLY TO MAINTAIN
CONTROL OF YOUR VEHICLE.  NEVER DRIVE OR WALK THROUGH DEEP WATER.
TWO FEET OF WATER IS ENOUGH TO MAKE YOUR CAR FLOAT OR SWEEP YOU OFF
YOUR 1FEET.

KOSARIK
Special weather statement, Jun 22, 4:48 PM EDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
448 PM EDT THU JUN 22 1989

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST THROUGH
SOUTHEAST OHIO UNTIL 900 PM EDT.

URBAN AND SMALL STREAM FLOOD WARNINGS ARE IN EFFECT FOR ASHTABULA
COUNTY UNTIL 830 THIS EVENING. THUNDERSTORMS OVER THAT COUNTY DROPPED
TWO AND A QUARTER INCHES OF RAIN ON CONNEAUT BETWEEN 3 AND 4 THIS
AFTERNOON.

AT 440 THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS FROM CONNEAUT
TO YOUNGSTOWN TO AKRON. ANOTHER AREA WAS FROM NEAR FINDLAY TO CELINA...
THEN ANOTHER AREA WAS ALONG THE OHIO RIVER FROM EAST OF CINCINNATI TO
HUNTINGTON... WEST VIRGINIA.

ALL OF THE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL... STRONG
WINDS AND TORRENTIAL RAIN. MOVEMENT OF THESE THUNDERSTORMS WAS UNDER
10 MPH AND DIRECTION WAS UNDETERMINABLE.

RAINFALL NEARING 3 INCHES IS POSSIBLE WITH SOME OF THESE THUNDERSTORMS
DUE TO THEIR SLOW SPEED. FLOODIXNG OF URBAN AREAS... ALONG WITH SMALL
STREAMS AND CREEKS.

OHIOANS SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE
TO SAFETY IF SEVERE WEATHER OR FLOODING OCCURS.

ECKERT
Special weather statement, Jun 22, 6:02 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
601 PM EDT THU JUN 22 1989

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR OHIO.

AT 555 THIS AFTERNOON WEATHER RADAR SHOWED AREAS OF THUNDERSTORMS IN
THE LIMA-CELINA AREAS... ALONG THE OHIO RIVER NEAR WEST UNION... AND
FROM AROUND YOUNGSTOWN TO CARROLLTON.

AN URBAN AND SMALL STREAM FLOOD WARNING CONTINUES IN EFFECT FOR
ASHTABULA COUNTY UNTIL 830 THIS EVENING. THUNDERSTORMS WERE STILL
ACROSS THE SOUTHERN PORTION OF THE COUNTY. RAINFALL FROM THIS
THUNDERSTORM HAS BEEN OVER 2 INCHES IN THE NORTHEAST AND CENTRAL
SECTIONS.

MOVEMENT OF ALL THE THUNDERSTORMS WAS UNDER 10 MPH AND THE DIRECTION
WAS UNDETERMINABLE. THIS SLOW SPEED WILL CONTRIBUTE TO EXCESSIVE
RAINFALL OF OVER 2 INCHES IN SOME AREAS. FLOODING OF URBAN AREAS AND
QUICK RISES IN SMALL STREAMS AND CREEKS ARE POSSIBLE THROUGH TONIGHT
WITH THESE THUNDERSTORMS.

THE THUNDERSTORMS ARE AL/SO CAPABLE OF PRODUCING SMALL HAIL AND GUSTY
WINDS.

OHIOANS SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE
TO SAFETY IF THREATENING WEATHER APPROACHES OR WATERS START RISING.

ECKERT

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 4:29 PM EDTFlash Flood WarningCLEMercer61 min
Jun 22, 5:20 PM EDTFlash Flood WarningCLECrawford115 min

Nearby

Flash Flood Warnings in Pennsylvania, 1989Every flash flood warning in 1989

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.