Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 210, NWS Cleveland, OH

July 7, 1994Stark County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 7, 1994, 6:47 PM EDT for Stark County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 6:47 PM EDT (22:47 UTC)
Expired
Jul 7, 1994, 7:45 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Stark County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.8 hours before the alert went out and 116 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 1994-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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 1994-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
277 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1028 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
-24 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 
WUUS1 KCAK 072248
SVRCLE
OHC151-072345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
647 PM EDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN NORTHEAST OHIO
 
   ...STARK COUNTY
 
THERE HAVE BEEN SEVERAL REPORTS OF SEVERE THUNDERSTORM OVER NORTHERN
STARK COUNTY.
 
 
REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Jul 7, 3:36 PM EDT, 3 hours 11 minutes before
OHZ021-022-072030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
335 PM EDT  THU JUL 7  1994

THUNDERSTORMS PACKING HEAVY RAINS WERE DEVELOPING OVER NORTHERN SUMMIT
COUNTY THIS AFTERNOON.

RADAR AT 330 PM INDICATED A STRONG STORM ABOUT 5 MILES NORTHWEST OF
OF BATH AND ANOTHER NEAR BOSTON HEIGHTS. THE STORMS WERE MOVING NORTHEAST
TOWARD TWINSBURG AND WILL PRODUCE TORRENTIAL DOWNPOURS...WIND GUSTS TO
ABOUT 40 MPH AND POSSIBLY SMALL HAIL.

HEAVY RAINS ASSOCIATED WITH THESE THUNDERSTORMS MAY CAUSE PONDING OF
WATER ON ROADWAYS AND MOTORISTS SHOULD AVOID DRIVING THROUGH FLOODED
AREAS.

RLB
Special weather statement, Jul 7, 3:36 PM EDT, 3 hours 11 minutes before
OHZ021-022-072030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
335 PM EDT  THU JUL 7  1994

THUNDERSTORMS PACKING HEAVY RAINS WERE DEVELOPING OVER NORTHERN SUMMIT
COUNTY THIS AFTERNOON.

RADAR AT 330 PM INDICATED A STRONG STORM ABOUT 5 MILES NORTHWEST OF
OF BATH AND ANOTHER NEAR BOSTON HEIGHTS. THE STORMS WERE MOVING NORTHEAST
TOWARD TWINSBURG AND WILL PRODUCE TORRENTIAL DOWNPOURS...WIND GUSTS TO
ABOUT 40 MPH AND POSSIBLY SMALL HAIL.

HEAVY RAINS ASSOCIATED WITH THESE THUNDERSTORMS MAY CAUSE PONDING OF
WATER ON ROADWAYS AND MOTORISTS SHOULD AVOID DRIVING THROUGH FLOODED
AREAS.

RLB
Special weather statement, Jul 7, 5:10 PM EDT, 1 hour 37 minutes before
PAZ001>006-008>011-072200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
500 PM EDT THU JUL 07 1994

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

...SLOW MOVING STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS
   NORTHWEST PENNSYLVANIA...

AT 500 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS CONTINUING TO
DEVELOP ACROSS PORTIONS OF NORTHWEST PENNSYLVANIA.

STRONG THUNDERSTORMS PRODUCING UP TO ONE-INCH OF RAINFALL IN A ONE-
HOUR PERIOD WERE OCCURRING OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA...
FROM NEAR MT JEWETT...IN MCKEAN COUNTY EAST TO NEAR COUDERSPORT IN
POTTER COUNTY.

OTHER SLOW MOVING THUNDERSTORMS WERE LOCATED OVER NORTHERN WARREN COUNTY
TO THE NORTH OF YOUNGSVILLE AND WARREN AND ALSO OVER EASTERN
CRAWFORD COUNTY...EAST OF CAMBRIDGE SPRINGS.

THE THUNDERSTORMS WERE MOVING TO THE EAST AT ONLY 10 TO 15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT THE
EVENING.

BCL
Special weather statement, Jul 7, 5:55 PM EDT, 52 minutes before
OHZ023-033-041-PAZ007-013-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
556 PM EDT THU JUL 7 1994

STRONG AND SEVERE THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO THIS
EVENING.

AT 550 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS EXTENDING FROM EXTREME NORTHWESTERN TRUMBULL COUNTY TO THE
MANSFIELD AREA. THESE STORMS WERE MOVING TO THE EAST AT 15 MPH AND WILL
AFFECT WARREN BY 615 PM EDT AND YOUNGSTOWN BY 630 PM EDT.  THESE
THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE WIND DAMAGE...LARGE HAIL...
FREQUENT LIGHTNING ...AND FLOODING RAINS.

DOPPLER RADAR IN CLEVELAND ESTIMATES INDICATE THAT UP TO THREE INCHES OF
RAIN HAS FALLEN IN PORTIONS OF NORTHEAST OHIO. RESIDENTS OF NORTHEAST
OHIO SHOULD REMAIN ALERT FOR POSSIBLE FLOODING.  DO NOT DRIVE INTO
STANDING WATER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA.
SW/WK
Special weather statement, Jul 7, 6:00 PM EDT, 47 minutes before
PAZ001>006-008>011-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
600 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

AT 600 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS CONTINUING OVER
PORTIONS OF NORTHWEST PENNSYLVANIA.

WEATHER RADAR FROM ERIE AND DOPPLER RADAR FROM BOTH PITTSBURGH AND STATE
COLLEGE SHOWED SLOW MOVING THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH
TO CAUSE FLOODING...LOCATED OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA
FROM NEAR MT JEWETT...SOUTH TO NEAR RIDGWAY AND EAST TO EMPORIUM AND
GALETON.

OTHER SLOW MOVING THUNDERSTORMS WERE LOCATED OVER WESTERN WARREN COUNTY.
IN THE VICINITY OF YOUNGSVILLE AND TIDIOUTE.

ANOTHER LARGE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING THROUGH
NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD COUNTIES OF
PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST-SOUTHEAST AT 10 TO
15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW
Special weather statement, Jul 7, 6:09 PM EDT, 38 minutes before
PAZ001>006-008>011-072315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
600 PM EDT THU JUL 07 1994

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCKEAN AND CAMERON
   COUNTIES UNTIL 730 PM EDT...

...FLASH FLOOD WATCH IN EFFECT FOR THE NORTHERN MOUNTAINS OF
   PENNSYLVANIA UNTIL 10 PM EDT...

AT 600 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS CONTINUING OVER
PORTIONS OF NORTHWEST PENNSYLVANIA.

WEATHER RADAR FROM ERIE AND DOPPLER RADAR FROM BOTH PITTSBURGH AND STATE
COLLEGE SHOWED SLOW MOVING THUNDERSTORMS PRODUCING RAIN...HEAVY ENOUGH
TO CAUSE FLOODING...LOCATED OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA
FROM NEAR MT JEWETT...SOUTH TO NEAR RIDGWAY AND EAST TO EMPORIUM AND
GALETON.

OTHER SLOW MOVING THUNDERSTORMS WERE LOCATED OVER WESTERN WARREN COUNTY.
IN THE VICINITY OF YOUNGSVILLE AND TIDIOUTE.

ANOTHER LARGE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING THROUGH
NORTHEASTERN OHIO AND WILL BE AFFECTING ERIE AND CRAWFORD COUNTIES OF
PENNSYLVANIA WITHIN THE NEXT FEW HOURS.

THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST-SOUTHEAST AT 10 TO
15 MPH.

RAINFALL HEAVY ENOUGH TO CAUSE FLOODING MAY OCCUR FROM THE THUNDERSTORMS
...ESPECIALLY OVER THE NORTHERN MOUNTAINS OF PENNSYLVANIA.

REMEMBER...THUNDERSTORMS CAN PRODUCE STRONG DAMAGING WINDS AND HAIL
ALONG WITH DEADLY CLOUD-TO-GROUND LIGHTNING.

FOR YOUR PROTECTION...MOVE INSIDE A STURDY BUILDING AND AWAY FROM
WINDOWS WHEN THUNDERSTORMS ARE OCCURRING.

BE ON THE ALERT FOR FLOODING FROM HEAVY RAINFALL...AND NEVER ATTEMPT
TO CROSS FLOODED ROADWAYS OR RAPIDLY FLOWING STREAMS SINCE THE WATER
MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.

KEEP TUNED FOR LATER AND STATEMENTS AND POSSIBLE WARNINGS THROUGHOUT
THE EVENING HOURS.

BCL/NRS/FPW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 9:43 PM EDTSevere Thunderstorm WarningCLEPortage47 min
Jul 6, 10:01 PM EDTSevere Thunderstorm WarningCLESummit29 min
Jul 6, 10:02 PM EDTSevere Thunderstorm WarningCLEMahoning58 min
Jul 6, 10:16 PM EDTSevere Thunderstorm WarningCLECuyahoga29 min
Jul 6, 10:18 PM EDTSevere Thunderstorm WarningCLETrumbull42 min
Jul 6, 10:48 PM EDTSevere Thunderstorm WarningCLECuyahoga42 min
Jul 6, 11:30 PM EDTSevere Thunderstorm WarningCLEPortage60 min
Jul 7, 12:39 AM EDTSevere Thunderstorm WarningCLEPortage, Stark, Summit66 min
Jul 7, 4:44 AM EDTSevere Thunderstorm WarningCLEBelmont, Monroe61 min
Jul 7, 2:24 PM EDTSevere Thunderstorm WarningCLEHancock51 min
Jul 7, 3:06 PM EDTSevere Thunderstorm WarningCLESeneca54 min
Jul 7, 4:32 PM EDTSevere Thunderstorm WarningCLEPortage, Summit58 min
Jul 7, 4:58 PM EDTTornado WarningCLEPortage62 min
Jul 7, 5:32 PM EDTSevere Thunderstorm WarningCLESummit58 min
Jul 7, 6:24 PM EDTSevere Thunderstorm WarningCLESummit51 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.