Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 249, NWS Cleveland, OH

August 4, 19944 counties in Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 4, 1994, 1:49 PM EDT for 4 counties in Ohio. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1994, 1:49 PM EDT (17:49 UTC)
Expired
Aug 4, 1994, 2:45 PM EDT
In force
56 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Ashtabula County, OH, Geauga County, OH, Portage County, OH, Summit County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.8 hours before the alert went out and 144 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 12:00Z on 1994-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 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 12:00Z on 1994-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939Sfc1 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
104 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
90 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 041749 RRA
SVRCLE
OHC007-055-133-153-041845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
149 PM EDT THU AUG 4 1994
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  OHIO
 
   ...ASHTABULA COUNTY...GEAUGA COUNTY...PORTAGE COUNTY
   ...SUMMIT COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
AT 145 PM DOPPLER RADAR IN CLEVELAND SHOWED A BAND OF SEVERE
THUNDERSTORMS EXTENDING FROM ASHTABULA SOUTHWEST TO NORTHERN SUMMIT
COUNTY. THE STORMS WERE MOVING EAST AT 40 MPH. NUMEROUS TREES WERE
REPORTED DOWN WITH THESE STORMS IN LORAIN COUNTY EARLIER THIS AFTERNOON.
 
SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS... FREQUENT
LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE
SYSTEMS. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
 
 
&

What forecasters said that day

The local office's own words before this severe thunderstorm 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 4, 11:40 AM EDT, 2 hours 9 minutes before
OHZ001>010-015>019-024>030-034>038-042>047-051>057-060>066-070>072-
041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1140 AM EDT THU AUG 4 1994

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PORTION OF
CENTRAL AND WESTERN OHIO UNTIL 600 PM EDT.

SOME CITIES IN THE WATCH AREA ARE: LORAIN...SANDUSKY...FINDLAY...
LIMA...TOLEDO...DAYTON...MANSFIELD AND COLUMBUS.

AT 1140 AM..DOPPLER RADAR IN CLEVELAND SHOWED THAT THUNDERSTORMS
WERE DEVELOPING RAPIDLY OVER NORTHWEST OHIO. THE LEADING EDGE OF THE
STORMS STRETCHED FROM SANDUSKY...SOUTHWEST TO NEAR LIMA AND THEY WERE
MOVING NORTHEAST AROUND 40 MPH.

THIS MOVEMENT WILL BRING SHOWERS AND THUNDERSTORMS INTO ERIE AND HURON
COUNTIES BY 1230 PM AND TOO NEAR LORAIN BY 130 PM. THE THUNDERSTORMS MAY
PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IN A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR LATER INFORMATION AND POSSIBLE WARNINGS.

GABRIC
Special weather statement, Aug 4, 11:42 AM EDT, 2 hours 7 minutes before
OHZ001>010-015>019-024>030-034>038-042>047-051>057-060>066-070>072-
041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1140 AM EDT THU AUG 4 1994

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PORTION OF
CENTRAL AND WESTERN OHIO UNTIL 600 PM EDT.

SOME CITIES IN THE WATCH AREA ARE: LORAIN...SANDUSKY...FINDLAY...
LIMA...TOLEDO...DAYTON...MANSFIELD AND COLUMBUS.

AT 1140 AM..DOPPLER RADAR IN CLEVELAND SHOWED THAT THUNDERSTORMS
WERE DEVELOPING RAPIDLY OVER NORTHWEST OHIO. THE LEADING EDGE OF THE
STORMS STRETCHED FROM SANDUSKY...SOUTHWEST TO NEAR LIMA AND THEY WERE
MOVING NORTHEAST AROUND 40 MPH.

THIS MOVEMENT WILL BRING SHOWERS AND THUNDERSTORMS INTO ERIE AND HURON
COUNTIES BY 1230 PM AND TOO NEAR LORAIN BY 130 PM. THE THUNDERSTORMS MAY
PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IN A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR LATER INFORMATION AND POSSIBLE WARNINGS.

GABRIC
Special weather statement, Aug 4, 12:29 PM EDT, 1 hour 20 minutes before
OHZ014-PAZ001-002-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
125 PM EDT THU AUG 4 1994

STRONG THUNDERSTORMS WILL MOVE ACROSS ASHTABULA...ERIE AND CRAWFORD
COUNTIES.

AT 1220 PM EDT DOPPLER RADAR IN INDICATED A STRONG THUNDERSTORM MOVING
ALONG THE LAKE ERIE SHORELINE IN ASHTABULA COUNTY. THIS STORM WAS MOVING
EAST AT 40 MPH AND WILL MOVE ACROSS SOUTHERN EIRE AND NORTHERN  CRAWFORD
COUNTIES IN EXTREME NORTHWESTERN PENNSYLVANIA BY 100 PM.

THE THUNDERSTORM MAY PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IN A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR LATER INFORMATION AND POSSIBLE WARNINGS.

JOHNSON
Special weather statement, Aug 4, 1:25 PM EDT, 24 minutes before
OHZ014-PAZ001-002-041800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
125 PM EDT THU AUG 4 1994

STRONG THUNDERSTORMS WILL MOVE ACROSS ASHTABULA...ERIE AND CRAWFORD
COUNTIES.

AT 1220 PM EDT DOPPLER RADAR IN INDICATED A STRONG THUNDERSTORM MOVING
ALONG THE LAKE ERIE SHORELINE IN ASHTABULA COUNTY. THIS STORM WAS MOVING
EAST AT 40 MPH AND WILL MOVE ACROSS SOUTHERN EIRE AND NORTHERN  CRAWFORD
COUNTIES IN EXTREME NORTHWESTERN PENNSYLVANIA BY 100 PM.

THE THUNDERSTORM MAY PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IN A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION AND
RADIO STATIONS FOR LATER INFORMATION AND POSSIBLE WARNINGS.

JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 12:32 PM EDTSevere Thunderstorm WarningCLEAshtabula58 min
Aug 4, 1:07 PM EDTSevere Thunderstorm WarningCLEHuron, Lorain68 min
Aug 4, 1:14 PM EDTSevere Thunderstorm WarningCLECuyahoga61 min
Aug 4, 1:20 PM EDTSevere Thunderstorm WarningCLEAshland, Medina55 min
Aug 4, 1:24 PM EDTSevere Thunderstorm WarningCLELake66 min
Aug 4, 2:20 PM EDTSevere Thunderstorm WarningCLEWayne55 min
Aug 4, 2:31 PM EDTSevere Thunderstorm WarningCLETrumbull59 min
Aug 4, 6:12 PM EDTSevere Thunderstorm WarningCLEGuernsey, Noble63 min
Aug 4, 6:26 PM EDTSevere Thunderstorm WarningCLEBelmont, Harrison64 min
Aug 4, 6:50 PM EDTSevere Thunderstorm WarningCLEJefferson55 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1994Every severe thunderstorm 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.