Alert archive / Ohio / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 13, NWS Wilmington, OH

May 28, 1993Clark County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 28, 1993, 10:47 PM EDT for Clark County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
May 28, 1993, 10:47 PM EDT (02:47 UTC)
Expired
May 28, 1993, 11:45 PM EDT
In force
58 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Clark County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 2.8 hours before the alert went out and 36 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 00:00Z on 1993-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 779 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 00:00Z on 1993-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
779 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1467 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAY 290248 RRA
SVRDAY
OHC023-290345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DAYTON OH
1047 PM EDT FRI MAY 28 1993
 
THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN WEST CENTRAL OHIO
 
   ...CLARK COUNTY
 
AT 1045 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
SEVERE THUNDERSTORM MOVING INTO WESTERN CLARK COUNTY. THE THUNDERSTORM
WAS MOVING EAST AROUND 40 MPH AND WILL MOVE INTO THE CITY OF SPRINGFIELD
OHIO BY 1100 PM EDT.
 
 
 
SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS... FREQUENT
LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE
SYSTEMS. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
PADGETT

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, May 28, 7:10 PM EDT, 3 hours 37 minutes before
OHZ005-010-290015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
710 PM EDT FRI MAY 28 1993

THE SEVERE THUNDERSTORM WATCH WHICH WAS IN EFFECT FOR THE MIAMI VALLEY
AND WEST CENTRAL OHIO HAS BEEN CANCELLED.

AT 708 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED SHOWERS
AND THUNDERSTORMS IN THE MIAMI VALLEY AND WEST CENTRAL OHIO. THE SHOWERS
AND THUNDERSTORMS WERE MOVING EAST AT 40 MPH.

THUNDERSTORMS WITH BRIEF HEAVY RAIN WERE IN ALLEN COUNTY NEAR LIMA OHIO.
THESE STORMS MAY ALSO PRODUCE WIND GUSTS TO 40 MPH AND POSSIBLE SMALL
HAIL.

THUNDERSTORMS WILL CONTINUE TO BE A THREAT ACROSS THE THE MIAMI VALLEY
AND WEST CENTRAL THROUGH THE EVENING AND EARLY NIGHT HOURS. HOWEVER THE
THUNDERSTORMS ARE NO LONGER EXPECTED TO BECOME SEVERE.

PADGETT
Special weather statement, May 28, 7:11 PM EDT, 3 hours 36 minutes before
OHZ005-010-290015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
710 PM EDT FRI MAY 28 1993

THE SEVERE THUNDERSTORM WATCH WHICH WAS IN EFFECT FOR THE MIAMI VALLEY
AND WEST CENTRAL OHIO HAS BEEN CANCELLED.

AT 708 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED SHOWERS
AND THUNDERSTORMS IN THE MIAMI VALLEY AND WEST CENTRAL OHIO. THE SHOWERS
AND THUNDERSTORMS WERE MOVING EAST AT 40 MPH.

THUNDERSTORMS WITH BRIEF HEAVY RAIN WERE IN ALLEN COUNTY NEAR LIMA OHIO.
THESE STORMS MAY ALSO PRODUCE WIND GUSTS TO 40 MPH AND POSSIBLE SMALL
HAIL.

THUNDERSTORMS WILL CONTINUE TO BE A THREAT ACROSS THE THE MIAMI VALLEY
AND WEST CENTRAL THROUGH THE EVENING AND EARLY NIGHT HOURS. HOWEVER THE
THUNDERSTORMS ARE NO LONGER EXPECTED TO BECOME SEVERE.

PADGETT

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 10:15 PM EDTSevere Thunderstorm WarningILNDarke60 min
May 28, 10:32 PM EDTSevere Thunderstorm WarningILNMiami, Shelby58 min
May 28, 10:43 PM EDTSevere Thunderstorm WarningILNMontgomery62 min
May 28, 11:05 PM EDTSevere Thunderstorm WarningILNGreene55 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1993Every severe thunderstorm warning in 1993

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.