Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 135, NWS Cleveland, OH

July 19, 1996Ashtabula County, Ohio; Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jul 19, 1996, 4:09 AM EDT for Ashtabula County, Ohio; Crawford County, Erie County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 19, 1996, 4:09 AM EDT (08:09 UTC)
Expired
Jul 19, 1996, 7:15 AM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Ashtabula County, OH, Crawford County, PA, Erie County, PA

The radar

The Cleveland radar (KCLE), 139 km from the middle of the area, began a volume at 08:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 8.2 hours before the alert went out and 167 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, Pittsburgh, PA at 00:00Z on 1996-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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, Pittsburgh, PA at 00:00Z on 1996-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 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
70 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
429 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 KCLE 190811
FFWCLE
OHC007-PAC039-049-191115-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
NATIONAL WEATHER SERVICE CLEVELAND OH
409 AM EDT FRI JUL 19 1996
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
EFFECTIVE UNTIL  715 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  OHIO
 
   ...ASHTABULA COUNTY
 
IN  PENNSYLVANIA
 
   ...CRAWFORD COUNTY...ERIE COUNTY
 
AT 405 AM DOPPLER RADAR CONTINUED TO SHOWED THUNDERSTORMS WITH HEAVY
RAIN OVER EASTERN ASHTABULA COUNTY...WESTERN ERIE COUNTY PENNSYLVANIA
AND CRAWFORD COUNTY PENNSYLVANIA. THE THUNDERSTORMS WERE MOVING
SOUTHEAST AT 30 MPH.
 
SOME BASEMENT FLOODING HAS BEEN REPORTED IN LINESVILLE OF CRAWFORD
COUNTY WITH SOME STREET FLOODING IN WESTERN ERIE COUNTY PENNSYVLANIA.
 
FLOODING OF ROADS AND STREAMS MAY OCCUR. THE HEAVY RAIN SHOULD BEGIN TO
DECREASE BETWEEN 5 AND 6 AM.
 
 
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 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, Jul 19, 2:34 AM EDT, 1 hour 35 minutes before
OHZ012>014-023-PAZ001>003-190800-
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
230 AM EDT FRI JUL 19 1996

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 AM EDT FOR
LAKE...GEAUGA...ASHTABULA AND TRUMBULL COUNTIES IN OHIO AND ERIE AND
CRAWFORD IN NORTHWEST PENNSYLVANIA.

A SPECIAL MARINE WARNING IS IN EFFECT FROM AVON POINT TO RIPLEY TILL
3 AM EDT.

A FLOOD WARNING IS IN EFFECT FOR ASHTABULA AND ERIE COUNTY PENNSYLVANIA
TIL 345 AM EDT.

A FLOOD WARNING IS IN EFFECT FOR LAKE COUNTY AND CRAWFORD COUNTY
PENNSYLVANIA TILL 415 AM EDT.

AT 230 AM DOPPLER RADAR CONTINUED TO SHOW STRONG THUNDERSTORMS FROM
LOWER MICHIGAN ACROSS LAKE ERIE TO EAST OF CLEVELAND AND INTO NORTHWEST
PENNSYLVANIA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MPH.

JUST BEFORE 1 AM DIME SIZE HAIL WAS REPORTED IN CHERRY VALLEY OF
ASHTABULA COUNTY.

AT 138 AM EDT ONE TREE WENT DOWN IN AUBURN TOWNSHIP IN SOUTHERN
GEAUGA COUNTY.

AT 210 AM A LITTLE STREET FLOODING WAS OCCURRING IN PAINESVILLE
TOWNSHIP IN LAKE COUNTY.

SOME RAINFALL REPORTS FROM ERIE COUNTY PENNSYLVANIA...2 INCHES
IN WEST SPRINGFIELD...1.75 IN ALBION AND 1.34 IN LAKE CITY.

IF THREATENING WEATHER APPROACHES OR WARNINGS ARE ISSUED PEOPLE SHOULD
MOVE TO A PLACE OF SAFETY.

KIELTYKA
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 12:53 AM EDTSevere Thunderstorm WarningCLEAshtabula37 min
Jul 19, 12:58 AM EDTSevere Thunderstorm WarningCLEGeauga, Trumbull47 min
Jul 19, 1:37 AM EDTFlash Flood WarningCLEAshtabula2 hr
Jul 19, 2:09 AM EDTFlash Flood WarningCLELake2 hr
Jul 19, 2:14 AM EDTFlash Flood WarningCLECrawford2 hr
Jul 19, 3:41 AM EDTSevere Thunderstorm WarningCLECrawford49 min
Jul 19, 4:43 AM EDTFlash Flood WarningCLECrawford2 hr
Jul 19, 6:53 AM EDTFlash Flood WarningCLECrawford2 hr
Jul 19, 8:58 AM EDTFlash Flood WarningCLECrawford2 hr
Jul 19, 11:04 AM EDTFlash Flood WarningCLECrawford4 hr
Jul 19, 3:48 PM EDTFlash Flood WarningCLEErie3 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1996Flash Flood Warnings in Ohio, 1996Every flash flood warning in 1996

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; radar from the NEXRAD Level II archive.