Alert archive / Ohio / Flash Flood Warnings in 1993

Flash Flood Warning 19, NWS Cleveland, OH

August 6, 1993Ashtabula County, Ohio

NWS Cleveland, OH issued this flash flood warning at Aug 6, 1993, 10:43 PM EDT for Ashtabula County, Ohio. It was in force for 77 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1993, 10:43 PM EDT (02:43 UTC)
Expired
Aug 7, 1993, 12:00 AM EDT
In force
77 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ashtabula County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 2.7 hours before the alert went out and 174 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 1993-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 91 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 1993-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.19395878Sfc1 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
91 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
-2 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 KCLE 070245
FFWCLE
OHC007-070445-
 
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1043 PM EDT FRI AUG 6 1993
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AND SMALL STREAM FLOODING EFFECTIVE UNTIL 12
MIDNIGHT FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OHIO
 
   ...ASHTABULA COUNTY
 
AT 1040 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY
HEAVY RAIN ALONG THE ASHTABULA LAKESHORE NEAR THE CITY OF ASHTABULA.
THESE STORMS HAVE BEEN PRODUCING ONE TO TWO INCHES OF RAIN IN LESS THAN
AN HOUR. THE CITY POLICE IN ASHTABULA REPORTED SOME STREET FLOODING.
 
THE STORMS WERE MOVING NORTHEAST AT ABOUT 30 MPH AND WILL MOVE OUT OF
NORTHEASTERN ASHTABULA COUNTY BY ABOUT 1130 PM.
 
 
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.
 
 
 
KOSARIK

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 6, 10:23 PM EDT, 20 minutes before
OHZ002-003-021200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1023 PM EDT FRI AUG 6 1993

AT 1020 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS
MOVING OVER THE LAKESHORE REGION OF ASHTABULA COUNTY.

THE STRONGEST STORM WAS LOCATED OVER GENEVA ON THE
LAKE AND WAS MOVING TOWARD ASHTABULA. THE STORMS ARE MOVING ON AN
EASTERLY TRACK AT ABOUT 30 MPH.

THESE STORMS WILL PRODUCE FREQUENT LIGHTNING... VERY HEAVY RAIN...
WIND GUSTS TO 45 MILES AN HOUR...AND POSSIBLY SMALL HAIL AS
THEY MOVE THROUGH NORTHERN ASHTABULA COUNTY.

FAI
Special weather statement, Aug 6, 10:26 PM EDT, 17 minutes before
OHZ002-003-021200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1023 PM EDT FRI AUG 6 1993

AT 1020 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS
MOVING OVER THE LAKESHORE REGION OF ASHTABULA COUNTY.

THE STRONGEST STORM WAS LOCATED OVER GENEVA ON THE
LAKE AND WAS MOVING TOWARD ASHTABULA. THE STORMS ARE MOVING ON AN
EASTERLY TRACK AT ABOUT 30 MPH.

THESE STORMS WILL PRODUCE FREQUENT LIGHTNING... VERY HEAVY RAIN...
WIND GUSTS TO 45 MILES AN HOUR...AND POSSIBLY SMALL HAIL AS
THEY MOVE THROUGH NORTHERN ASHTABULA COUNTY.

FAI
Special weather statement, Aug 6, 10:34 PM EDT, 9 minutes before
PAZ001-002-070400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
1034 PM EDT FRI AUG 06 1993

AT 1035 PM EDT ERIE RADAR SHOWED SEVERAL THUNDERSTORMS MOVING ACROSS NORTH
CENTRAL ASHTABULA COUNTY OHIO.  THESE STORMS WERE MOVING TO THE EAST AT 30 MILESAN HOUR AND WILL ENTER WESTERN ERIE COUNTY PENNSYLVANIA SHORTLY BEFORE
11 PM.

AS THE THUNDERSTORMS MOVE THROUGH ERIE COUNTY BETWEEN 11PM AND MIDNIGHT...
THEY WILL PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING...POSSIBLE WIND GUSTS
OVER 40 MILES AN HOUR AND MAYBE SOME HAIL.

SMALL BOAT OPERATORS ON LAKE ERIE SHOULD REMAIN ALERT AND SEEK SAFE HARBOR
WHEN THESE STORMS MOVE THROUGH THE AREA.

TJP
Special weather statement, Aug 6, 10:42 PM EDT, 1 minute before
PAZ001-002-070400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
1034 PM EDT FRI AUG 06 1993

AT 1035 PM EDT ERIE RADAR SHOWED SEVERAL THUNDERSTORMS MOVING ACROSS NORTH
CENTRAL ASHTABULA COUNTY OHIO.  THESE STORMS WERE MOVING TO THE EAST AT 30 MILESAN HOUR AND WILL ENTER WESTERN ERIE COUNTY PENNSYLVANIA SHORTLY BEFORE
11 PM.

AS THE THUNDERSTORMS MOVE THROUGH ERIE COUNTY BETWEEN 11PM AND MIDNIGHT...
THEY WILL PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING...POSSIBLE WIND GUSTS
OVER 40 MILES AN HOUR AND MAYBE SOME HAIL.

SMALL BOAT OPERATORS ON LAKE ERIE SHOULD REMAIN ALERT AND SEEK SAFE HARBOR
WHEN THESE STORMS MOVE THROUGH THE AREA.

TJP

Nearby

Flash Flood Warnings in Ohio, 1993Every flash flood warning in 1993

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.