Alert archive / Ohio / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 133, NWS Cleveland, OH

July 8, 1991Geauga County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 8, 1991, 1:21 AM EDT for Geauga County, Ohio. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1991, 1:21 AM EDT (05:21 UTC)
Expired
Jul 8, 1991, 2:15 AM EDT
In force
54 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Geauga County, OH

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 5.4 hours before the alert went out and 230 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 1991-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1102 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, Detroit, MI at 00:00Z on 1991-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1102 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1632 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.1
Supercell composite
4.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 7:36 PM EDT, 5 hours 45 minutes before
OHZ004-PAZ003-080300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
736 PM EDT SUN JUL 7 1991

STRONG THUNDERSTORMS WERE MOVING ACROSS MAHONING COUNTY AND TRUMBULL
COUNTY IN NORTHEAST OHIO THIS EVENING.

AT 730 PM WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS FROM THE
THE WESTERN MAHONING COUNTY BORDER TO SOUTH OF THE CITY OF YOUNGSTOWN
NEAR BOARDMAN. THESE STORMS WERE MOVING SOUTHEAST AT 30 MPH AND WILL
MOVE INTO NORTHERN tCOLUMBIANA COUNTY AND WESTERN LAWRENCE COUNTY BY
800 PM.

THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY
WINDS...SMALL HAIL AND LIGHTNING. LISTEN TO NOAA WEATHER RADIO AND
LOCAL MEDIA FOR FURTHER UPDATES.

APFEL
Special weather statement, Jul 7, 8:09 PM EDT, 5 hours 12 minutes before
OHZALL-080100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
810 PM EDT SUN JUL 7 1991

SEVERE THUNDERSTORM WATCH NUMBER 657 HAS BEEN CANCELLED FOR OHIO.
THERE ARE NO SEVERE THUNDERSTORM WATCHES VALID IN OHIO AT THIS TIME.
HOWEVER... SEVERE THUNDERSTORMS MAY MOVE INTO OHIO LATER THIS EVENING
FROM MICHIGAN AND INDIANA.

THE WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES.

...NORTHEAST INLAND...
CARROLL         JEFFERSON

...EAST CENTRAL...
BELMONT         COSHOCTON       GUERNSEY        HARRISON
HOLMES          MONROE          MORGAN          MUSKINGUM
NOBLE           TUSCARAWAS      WASHINGTON

...SOUTH CENTRAL...
ATHENS          MEIGS

HEATHFIELD
Special weather statement, Jul 7, 8:10 PM EDT, 5 hours 11 minutes before
OHZ004-080300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
809 PM EDT SUN JUL 7 1991

STRONG THUNDERSTORMS CONTINUED MOVING ACROSS TRUMBULL COUNTY
IN NORTHEAST OHIO THIS EVENING.

AT 805 PM WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS FROM
JUST WEST OF THE YOUNGSTOWN AIRPORT TO NEAR WARREN. STORM SPOTTERS
REPORTED SMALL HAIL AND BRIEF HEAVY RAIN AS THE STORMS PASSED
THROUGH THE CHAMPION AREA. THESE STORMS WERE MOVING SOUTHEAST AT
30 MPH AND WILL MOVE INTO THE YOUNGSTOWN CITY AREA BY 830 PM.

THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY
WINDS...SMALL HAIL AND LIGHTNING. LISTEN TO NOAA WEATHER RADIO AND
LOCAL MEDIA FOR FURTHER UPDATES.

APFEL
Special weather statement, Jul 7, 9:03 PM EDT, 4 hours 18 minutes before
OHZ001-002-011-080200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
903 PM EDT SUN JUL 7 1991

A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHWEST OHIO UNTIL
3 AM MONDAY MORNING.

AT 9 PM WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS
EXTENDING FROM AROUND 50 MILES NORTH OF DETROIT MICHIGAN ACROSS
THE NORTHWEST PORTION OF WILLIAMS COUNTY IN OHIO INTO NORTHEAST
DEKALB COUNTY IN INDIANA.

THE THUNDERSTORMS WERE MOVING EAST AT 40 MPH AND WILL ENTER
WESTERN FULTON COUNTY BY 920 PM. PEOPLE IN FULTON NORTHWEST OHIO...
ESPECIALLY IN FULTON FULTON...SHOULD BE ALERT FOR THREATENING
WEATHER AND BE PREPARED TO MOVE TO SHELTER.

HUGHES

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 9:15 PM EDTSevere Thunderstorm WarningCLEFulton, Henry80 min
Jul 7, 9:41 PM EDTSevere Thunderstorm WarningCLELucas64 min
Jul 7, 10:02 PM EDTSevere Thunderstorm WarningCLEWood58 min
Jul 7, 10:18 PM EDTSevere Thunderstorm WarningCLEOttawa, Sandusky57 min
Jul 7, 10:26 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain, Medina64 min
Jul 7, 10:26 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake64 min
Jul 7, 10:27 PM EDTSevere Thunderstorm WarningCLESummit48 min
Jul 7, 10:37 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull68 min
Jul 7, 10:37 PM EDTSevere Thunderstorm WarningCLEColumbiana68 min
Jul 7, 11:00 PM EDTSevere Thunderstorm WarningCLEPortage30 min
Jul 7, 11:15 PM EDTSevere Thunderstorm WarningCLEPortage, Summit105 min
Jul 7, 11:29 PM EDTSevere Thunderstorm WarningCLEMedina46 min
Jul 8, 12:31 AM EDTSevere Thunderstorm WarningCLEJefferson59 min
Jul 8, 12:33 AM EDTSevere Thunderstorm WarningCLEGeauga, Lake42 min
Jul 8, 1:01 AM EDTSevere Thunderstorm WarningCLETrumbull59 min
Jul 8, 1:06 AM EDTSevere Thunderstorm WarningCLEAshtabula54 min
Jul 7, 8:59 PM EDTSevere Thunderstorm WarningCLEVenango61 min
Jul 7, 10:46 PM EDTSevere Thunderstorm WarningCLECrawford, Erie59 min
Jul 7, 10:59 PM EDTSevere Thunderstorm WarningCLELawrence, Mercer61 min
Jul 7, 11:26 PM EDTSevere Thunderstorm WarningCLEWarren64 min
Jul 7, 11:43 PM EDTSevere Thunderstorm WarningCLECrawford, Venango62 min
Jul 8, 12:16 AM EDTSevere Thunderstorm WarningCLEElk, Forest, McKean59 min
Jul 8, 1:28 AM EDTSevere Thunderstorm WarningCLECrawford47 min
Jul 8, 1:51 AM EDTSevere Thunderstorm WarningCLEMercer54 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1991Every severe thunderstorm warning in 1991

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.