Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 11, NWS Cleveland, OH

May 6, 1997Ashtabula County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 6, 1997, 12:13 AM EDT for Ashtabula County, Ohio. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 6, 1997, 12:13 AM EDT (04:13 UTC)
Expired
May 6, 1997, 12:30 AM EDT
In force
17 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ashtabula County, OH

The radar

The Cleveland radar (KCLE), 106 km from the middle of the area, began a volume at 04:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.2 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 1997-05-06Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1997-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 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
2371 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
482 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 060415 RRA
SVRCLE
OHC007-060430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1213 AM EDT TUE MAY 6 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  OHIO
 
   ...ASHTABULA COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
AT 1210 AM WEATHER SERVICE RADAR IN CLEVELAND INDICATED A SEVERE
THUNDERSTORM IN EASTERN ASHTABULA COUNTY. THE STORM WAS MOVING TO THE
EAST AT 45 MPH AND WILL MOVE EAST OF THE COUNTY BY 1230 AM. HAIL
IS INDICATED WITH THIS STORM.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, May 5, 10:18 PM EDT, 1 hour 55 minutes before
OHZ002>014-017>023-027>033-036>038-047-089-PAZ001>003-060400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1018 PM EDT MON MAY 5 1997

THE HIGH WIND WARNING FOR ALL OF NORTHERN OHIO AND ERIE AND CRAWFORD
COUNTIES IN PENNSYLVANIA HAS BEEN ALLOWED TO EXPIRE AT 10 PM.  WINDS
HAVE DIMINISHED THIS EVENING TO SPEEDS OF ONLY 20 TO 30 MPH AND WILL
DIMINISH TO 15 TO 25 MPH LATER TONIGHT ELIMINATING ANY CHANCE FOR
FURTHER WIND DAMAGE.

THE LOW RESPONSIBLE FOR THE HIGH WINDS HAS MOVED FURTHER NORTH INTO
CANADA AWAY FROM OUR AREA.  A FEW THUNDERSTORMS ARE STILL POSSIBLE
OVERNIGHT AND COULD RESULT IN LOCALLY STRONG WINDS DURING THE STORMS BUT
NO DAMAGE IS EXPECTED.

ADAMS
Special weather statement, May 5, 10:19 PM EDT, 1 hour 54 minutes before
OHZ002>014-017>023-027>033-036>038-047-089-PAZ001>003-060400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1018 PM EDT MON MAY 5 1997

THE HIGH WIND WARNING FOR ALL OF NORTHERN OHIO AND ERIE AND CRAWFORD
COUNTIES IN PENNSYLVANIA HAS BEEN ALLOWED TO EXPIRE AT 10 PM.  WINDS
HAVE DIMINISHED THIS EVENING TO SPEEDS OF ONLY 20 TO 30 MPH AND WILL
DIMINISH TO 15 TO 25 MPH LATER TONIGHT ELIMINATING ANY CHANCE FOR
FURTHER WIND DAMAGE.

THE LOW RESPONSIBLE FOR THE HIGH WINDS HAS MOVED FURTHER NORTH INTO
CANADA AWAY FROM OUR AREA.  A FEW THUNDERSTORMS ARE STILL POSSIBLE
OVERNIGHT AND COULD RESULT IN LOCALLY STRONG WINDS DURING THE STORMS BUT
NO DAMAGE IS EXPECTED.

ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 8:00 PM EDTSevere Thunderstorm WarningCLEFulton30 min
May 5, 8:21 PM EDTSevere Thunderstorm WarningCLELucas39 min
May 6, 2:24 AM EDTSevere Thunderstorm WarningCLEGeauga, Trumbull66 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.