Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 72, NWS Cleveland, OH

August 19, 1990Wyandot County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 19, 1990, 2:26 PM EDT for Wyandot County, Ohio. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1990, 2:26 PM EDT (18:26 UTC)
Expired
Aug 19, 1990, 3:00 PM EDT
In force
34 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Wyandot County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 6.4 hours before the alert went out and 129 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, Dayton/James M C, OH at 12:00Z on 1990-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1619 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, Dayton/James M C, OH at 12:00Z on 1990-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1619 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
975 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTOL 191840 COR
SVRTOL
OHC175-191900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING... CORRECTED
NATIONAL WEATHER SERVICE TOLEDO OH
240 PM EDT SUN AUG 19 1990

THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...

IN NORTH CENTRAL OHIO
          ...WYANDOT

AT 225 PM EDT WEATHER RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM
OVER SOUTHEAST WYANDOT COUNTY. THE STORM WAS MOVING SOUTHEAST AT 35
MPH.



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.


MURPHY
... CORRECTED TIME OF RADAR REPORT...

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 19, 1:48 PM EDT, 38 minutes before
OHZ001-002-011-191900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
148 PM EDT SUN AUG 19 1990

THUNDERSTORMS HAVE DEVELOPED OVER PORTIONS OF NORTHWEST OHIO THIS
AFTERNOON.

AT 145 PM WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH HEAVY
RAIN AND POSSIBLE HAIL OVER SOUTHEAST WOOD AND EAST-CENTRAL HANCOCK
COUNTIES.  THESE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MPH. THE
STORMS WILL ENTER SENECA AND WYANDOT COUNTIES AROUND 200 PM.

IF YOU SEE SEVERE WEATHER... PLEASE CALL YOUR COUNTY SHERRIFF'S OFFICE
AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

MURPHY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 8:30 PM EDTSevere Thunderstorm WarningCLEWashington60 min
Aug 19, 3:04 AM EDTFlash Flood WarningCLECuyahoga, Lorain, Medina116 min
Aug 19, 3:39 AM EDTFlash Flood WarningCLEStark, Summit3 hr
Aug 19, 6:34 AM EDTSevere Thunderstorm WarningCLEErie56 min
Aug 19, 3:38 PM EDTSevere Thunderstorm WarningCLEStark, Wayne67 min
Aug 19, 4:12 PM EDTSevere Thunderstorm WarningCLEHolmes, Tuscarawas63 min
Aug 19, 4:17 PM EDTSevere Thunderstorm WarningCLECoshocton58 min
Aug 19, 4:58 PM EDTSevere Thunderstorm WarningCLEGuernsey62 min
Aug 19, 6:08 PM EDTSevere Thunderstorm WarningCLEWashington67 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990Every severe thunderstorm warning in 1990

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.