Alert archive / Ohio / Tornado Warnings in 1990

Tornado Warning 2, NWS Charleston, WV

June 8, 1990Delaware County, Franklin County, Ohio

NWS Charleston, WV issued this tornado warning at Jun 8, 1990, 5:48 PM EDT for Delaware County, Franklin County, Ohio. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1990, 5:48 PM EDT (21:48 UTC)
Expired
Jun 8, 1990, 6:25 PM EDT
In force
37 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Delaware County, OH, Franklin 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, 9.8 hours before the alert went out and 105 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 1990-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 754 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 1990-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 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
754 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCMH 082148
TORCMH
OHC041-049-082245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE COLUMBUS OH
548 PM EDT FRI JUN 8 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE STATE OF OHIO
      DELAWARE...FRANKLIN

AT 645 PM EDT CONCORD FIRE DEPARTMENT REPORTED A FUNNEL OVER
CONCORD MOVING TO THE SOUTHEAST AT 30- MILES.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...TAKE SHELTER IN A CULVERT...DITCH...
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

 RH

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 6:08 AM EDTFlash Flood WarningRLXFairfield, Pickaway67 min
Jun 8, 4:18 PM EDTSevere Thunderstorm WarningRLXLicking42 min
Jun 8, 5:07 PM EDTTornado WarningRLXUnion68 min
Jun 8, 5:32 PM EDTSevere Thunderstorm WarningRLXMuskingum58 min
Jun 8, 7:11 PM EDTSevere Thunderstorm WarningRLXUnion49 min
Jun 8, 7:25 PM EDTSevere Thunderstorm WarningRLXDelaware50 min
Jun 8, 7:32 PM EDTSevere Thunderstorm WarningRLXFranklin43 min
Jun 8, 7:58 PM EDTTornado WarningRLXUnion32 min

Nearby

Tornado Warnings in Ohio, 1990Every tornado warning in 1990Tornadoes 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.