Alert archive / Ohio / Flash Flood Warnings in 1994

Flash Flood Warning 23, NWS Cleveland, OH

April 13, 1994Huron County, Ohio

NWS Cleveland, OH issued this flash flood warning at Apr 13, 1994, 12:23 AM EDT for Huron County, Ohio. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Apr 13, 1994, 12:23 AM EDT (04:23 UTC)
Expired
Apr 13, 1994, 1:30 AM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Huron County, OH

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 4.4 hours before the alert went out and 188 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, Detroit, MI at 00:00Z on 1994-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 00:00Z on 1994-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 368 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
368 m²/s²
0-3 km storm-relative helicity
373 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 130424
FFWCLE
OHC077-130530-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1223 AM EDT WED APR 13 1994
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  130 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL OHIO
 
   ...HURON COUNTY
 
AT 1220 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND
INDICATED A SEVERE THUNDERSTORM MOVING INTO SOUTHEAST HURON COUNTY FROM
NORTHERN RICHLAND COUNTY. THIS STORM WAS MOVING NORTHEAST AT 50 MILES AN
HOUR AND HAS A HISTORY OF PRODUCING HAIL THREE-QUARTERS OF AN INCH IN
DIAMATER. HEAVY RAIN ASSOCIATED WITH THE STORM FALLING ON ALREADY
SATURTED GROUND IS ALSO LIKELY TO PRODUCE FLOODING.
 
THE CITY OF NEW LONDON IS IN THE PATH OF THIS STORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AN>D VERY HEAVY RAIN.
HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.
 
GERARD

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, Apr 12, 9:57 PM EDT, 2 hours 26 minutes before
OHZALL-130900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
955 PM EDT TUE APR 12 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
A PORTION OF WESTERN OHIO UNTIL 3AM EDT AND THE REMAINDER OF OHIO EXCEPT
SOUTHEAST OHIO UNTIL 5AM EDT.

SOME CITIES IN THE WATCH INCLUDE CINCINNATI...DAYTON...FINDLAY...
TOLEDO...CLEVELAND...COLUMBUS...ZANESVILLE AND YOUNGSTOWN.

WARM MOIST AND UNSTABLE AIR WAS IN PLACE ACROSS THE OHIO VALLEY THIS
EVENING AND A COLD FRONT WAS MOVING THROUGH INDIANA.  THUNDERSTORMS WERE
RAPIDLY DEVELOPING ALONG THE FRONT THIS EVENING AND WERE MOVING INTO
WESTERN AND SOUTHERN OHIO.

THE THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE ACROSS THE STATE
TONIGHT. VERY HEAVY RAINFALL...STRONG WINDS AND HAIL ARE POSSIBLE WITH
THESE STORMS AS THEY MOVE ACROSS THE STATE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 10:57 PM EDTSevere Thunderstorm WarningCLECoshocton, Tuscarawas63 min
Apr 12, 11:39 PM EDTSevere Thunderstorm WarningCLEStark66 min
Apr 13, 12:15 AM EDTSevere Thunderstorm WarningCLEPortage, Summit60 min
Apr 13, 12:23 AM EDTSevere Thunderstorm WarningCLEHuron67 min
Apr 13, 12:33 AM EDTFlash Flood WarningCLEMahoning, Trumbull57 min
Apr 13, 12:33 AM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull57 min
Apr 13, 12:43 AM EDTFlash Flood WarningCLELorain62 min
Apr 13, 12:43 AM EDTSevere Thunderstorm WarningCLELorain62 min
Apr 13, 1:30 AM EDTSevere Thunderstorm WarningCLEHenry30 min
Apr 13, 1:36 AM EDTFlash Flood WarningCLEMahoning, Trumbull3 hr
Apr 13, 2:00 AM EDTSevere Thunderstorm WarningCLELucas30 min

Nearby

Flash Flood Warnings in Ohio, 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.