Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 101, NWS Charleston, WV

August 28, 1990Franklin County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Aug 28, 1990, 9:42 PM EDT for Franklin County, Ohio. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 28, 1990, 9:42 PM EDT (01:42 UTC)
Expired: Aug 28, 1990, 10:30 PM EDT
In force: 48 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Franklin County, OH

The radar

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

What was reported inside it

Time	Report	Where	Remark
Aug 28, 9:52 PM EDT	Thunderstorm Wind 0	Franklin, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 1.7 hours before the alert went out and 102 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1965 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1458 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCMH 290143
SVRCMH
OHC049-290230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
942 PM EDT TUE AUG 28 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL OHIO
          ...FRANKLIN
 
AT 940 PM EDT THE COLUMBUS WEATHER RADAR SHOWED A POSSIBLE SEVERE
THUNDERSTORM ENTERING WESTERN FRANKLIN COUNTY. WIND GUST OF 50 TO 60
MPH HAVE BEEN REPORTED. THIS STORM WAS MOVING TO THE SOUTHEAST AT 40
MPH AND WILL MOVE THROUGH THE COLUMBUS AREA BY 1010 PM EDT.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...|DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
RAMEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 8:59 PM EDT	Severe Thunderstorm Warning	RLX	Marion	46 min
Aug 28, 9:28 PM EDT	Severe Thunderstorm Warning	RLX	Madison	47 min
Aug 28, 10:00 PM EDT	Severe Thunderstorm Warning	RLX	Fairfield, Pickaway	45 min
Aug 28, 10:00 PM EDT	Severe Thunderstorm Warning	RLX	Licking	45 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.