Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 112, NWS Charleston, WV

September 14, 1990Madison County, Union County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Sep 14, 1990, 4:37 PM EDT for Madison County, Union County, Ohio. It was in force for 68 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
Sep 14, 1990, 4:37 PM EDT (20:37 UTC)
Expired
Sep 14, 1990, 5:45 PM EDT
In force
68 min
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Madison County, OH, Union 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, 4:43 PM EDTThunderstorm Wind 0Madison, 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, 8.6 hours before the alert went out and 73 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°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 1990-09-14The 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 142038
SVRCMH
OHC097-159-142145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
437 PM EDT FRI SEP 14 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL OHIO
          ...MADISON...UNION
 
AT 430PM COLUMBUS RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
FROM NEAR LORAIN SOUTHWEST TO SPRINGFIELD AND HAMILTON. THE SHOWERS
AND THUNDERSTORMS WERE MOVING EAST AROUND 40 MPH. STRONG WINDS WITH
THESE STORMS HAVE DOWNED TREES IN ST PARIS AND URBANA.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNFDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
LVW
NNN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 4:53 PM EDTSevere Thunderstorm WarningRLXDelaware, Franklin67 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.