Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 113, NWS Charleston, WV

September 14, 1990Delaware County, Franklin County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Sep 14, 1990, 4:53 PM EDT for Delaware County, Franklin County, Ohio. It was in force for 67 min. 2 reports 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
Sep 14, 1990, 4:53 PM EDT (20:53 UTC)
Expired
Sep 14, 1990, 6:00 PM EDT
In force
67 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.

What was reported inside it

TimeReportWhereRemark
Sep 14, 5:00 PM EDTThunderstorm Wind 0Delaware, OH
Sep 14, 5:30 PM EDTThunderstorm Wind 0Franklin, 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 12:00Z, 8.9 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 1990-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dayton/James M C, OH at 12:00Z on 1990-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
255 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
83 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 KCMH 142055
SVRCMH
OHC041-049-142200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
453 PM EDT FRI SEP 14 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL OHIO
          ...DELAWARE...FRANKLIN
 
AT 450 NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND
THUNDERSTORMS FROM NEAR CLEVELAND SOUTHWEST TO MANSFIELD... PLAIN CITY
AND XENIA. THE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING EAST ABOUT
40 MPH. WIND DAMAGE HAS BEEN REPORTED WITH THESE STORMS IN WESTERN AND
CENTRAL OHIO.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR TiHE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
LVW

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 4:37 PM EDTSevere Thunderstorm WarningRLXMadison, Union68 min
Sep 14, 5:43 PM EDTSevere Thunderstorm WarningRLXFayette, Ross62 min
Sep 14, 6:03 PM EDTSevere Thunderstorm WarningRLXFairfield, Licking42 min
Sep 14, 6:31 PM EDTTornado WarningRLXMuskingum44 min
Sep 14, 6:45 PM EDTSevere Thunderstorm WarningRLXHocking, Vinton60 min
Sep 14, 7:28 PM EDTSevere Thunderstorm WarningRLXAthens47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.