Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Wilmington, OH

April 27, 1994Ashland County, Richland County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 27, 1994, 5:24 AM EDT for Ashland County, Richland County, Ohio. It was in force for 51 min.

The area

The counties it named.

The facts

Issued: Apr 27, 1994, 5:24 AM EDT (09:24 UTC)
Expired: Apr 27, 1994, 6:15 AM EDT
In force: 51 min
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Ashland County, OH, Richland County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 9.4 hours before the alert went out and 183 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: 981 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1633 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 270926
SVRMFD
OHC139-OHC005-271015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MANSFIELD OH
ISSUED BY CLEVELAND OH
524 AM EDT WED APR 27 1994
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTH CENTRAL OHIO
 
   ...RICHLAND  AND ASHLAND COUNTIES...
 
DOPPLER RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORM OVER SHELBY IN
WESTERN RICHLAND COUNTY. THIS THUNDERSTORM IS MOVING NORTHEAST AT ABOUT
45 MPH AND WILL CONTINUE THROUGH RICHLAND AND ASHLAND COUNTIES BY 615 AM
EDT. THESE THUNDERSTORMS HAVE A HISTORY OF PRODUCING WIND DAMAGE THIS
MORNING.
 
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.
 
DEB

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, Apr 27, 1:57 AM EDT, 3 hours 27 minutes before

INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-270740-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
155 AM EDT (1250 AM EST) WED APR 27 1994

...A TORNADO WATCH IS IN EFFECT UNTIL 400 AM EDT (300 AM EST) FOR
ALL OF SOUTHEAST INDIANA...

AT 150 AM EDT...WEATHER SERVICE RADAR DETECTED A SCATTERED BAND OF
SHOWERS AND THUNDERSTORMS 80 MILES WIDE IN FAR WESTERN INDIANA. THE
BAND EXTENDED FROM 180 MILES NORTH OF CINCINNATI...TO 170 MILES WEST
OF CINCINNATI.

NO THUNDERSTORMS WERE YET REPORTED IN THE WATCH AREA...BUT THE STORMS
OVER WESTERN AND NORTHERN INDIANA WERE MOVING MOSTLY EAST AT 40 TO 45
MILES AN HOUR. SOME OF THESE THUNDERSTORMS WERE SEVERE.

SOUTHEAST INDIANA CAN EXPECT THUNDERSTORMS TO ENTER THE AREA BETWEEN
300 AM AND 400 AM EDT (200 AM AND 300 AM EST).
.
REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE CONDUCIVE FOR
SEVERE THUNDERSTORMS OR EVEN TORNADOES TO OCCUR WITHIN THE WATCH
AREA. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE COVER
IMMEDIATELY.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES ON THIS SEVERE
WEATHER EVENT.

DIAN

Special weather statement, Apr 27, 2:41 AM EDT, 2 hours 43 minutes before

INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-270845-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
240 AM EDT (140 AM EST) WED APR 27 1994

...A TORNADO WATCH CONTINUES IN EFFECT FOR ALL OF SOUTHEAST INDIANA
UNTIL 400 AM EDT (300 AM EST)...

AT 230 AM EDT(130 AM EST)...WEATHER SERVICE RADAR DETECTED A 50 MILE
WIDE BAND OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM
FORT WAYNE INDIANA...TO 100 MILES WEST OF CINCINNATI. THESE SHOWERS
AND THUNDERSTORMS HAD PRODUCED WIND DAMAGE OVER WESTERN AND PARTS OF
SOUTHERN INDIANA.

THESE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 45 MILES AN HOUR.

IF THUNDERSTORMS APPROACH YOUR AREA...REMAIN INDOORS AND AWAY FROM
WINDOWS. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING SEVERE
THUNDERSTORM WINDS IN EXCESS OF 55 MILES AN HOUR...LARGE HAIL...AND
FREQUENT CLOUD TO GROUND LIGHTNING.  THESE STORMS ALSO HAVE THE
POTENTIAL TO PRODUCE TORNADOES.

THESE THUNDERSTORMS ARE EXPECTED TO REACH WESTERN RIPLEY...FRANKLIN AND
SWITZERLAND COUNTIES IN SOUTHEAST INDIANA BETWEEN 330 AND 430 AM EDT
(230 AND 330 AM EST).

STAY TUNED TO NOAA WEATHER FOR FURhTHER UPDATES ON THIS SEVERE WEATHER
EVENT.

DIAN

Special weather statement, Apr 27, 3:38 AM EDT, 1 hour 46 minutes before

INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-270945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
338 AM EDT (238 AM EST) WED APR 27 1994

...A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST INDIANA UNTIL
400 AM EDT (300 AM EST)...

AT 330 AM EDT...WEATHER SERVICE RADAR DETECTED A 65 MILE WIDE BAND OF
SHOWERS AND THUNDERSTORMS...SOME OF THEM STRONG AND CAPABLE OF PRODUCING
HEAVY RAIN...GUSTY WINDS IN EXCESS OF 40 MILES AN HOUR AND FREQUENT
CLOUD TO GROUND LIGHTNING. THE BAND EXTENDED FROM 125 MILES NORTH OF
CINCINNATI...TO 95 MILES WEST OF CINCINNATI.

THE THUNDERSTORMS WERE MOVING RAPIDLY EAST AT 45 MILES AN HOUR.

THE LEADING EDGE OF THESE SHOWERS AND THUNDERSTORMS WAS INTO CENTRAL
FRANKLIN AND RIPLEY COUNTIES IN SOUTHEAST INDIANA AND SHOULD REACH
DEARBORN COUNTY BY 400 AM EDT (300 AM EST).

PERSONS IN SOUTHEAST INDIANA SHOULD KEEP ALERT TO THUNDERSTORMS MOVING
IN YOUR AREA. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE AND PRODUCE
HEAVY RAIN AND SEVERE THUNDERSTORM WINDS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES ON THIS SEVERE
WEATHER SITUATION.

 
DIAN

Local storm report, Apr 27, 5:23 AM EDT, 1 minute before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CINCINNATI OH
523 AM EDT WED APR 27 1994

PRELIMINARY SEVERE WEATHER REPORTS FROM 4/27/94

ALL TIMES    TYPE OF DAMAGE          LOCATION              SOURCE
ARE LOCAL

440 AM EDT  TREES DOWN           SR 732(MORNINGSIDE RD)    BUTLER COUNTY
                                 WESTERN BUTLER COUNTY     DISPATCH

430 AM EDT  NUMEROUS TREES       OXFORD OHIO
            UPROOTED AND         NORTHWEST BUTLER COUNTY   WARNNET
            TELEPHONE POLES

DIAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 3:34 AM EDT	Severe Thunderstorm Warning	ILN	Van Wert	26 min
Apr 27, 3:55 AM EDT	Severe Thunderstorm Warning	ILN	Butler	45 min
Apr 27, 4:06 AM EDT	Severe Thunderstorm Warning	ILN	Warren	69 min
Apr 27, 4:12 AM EDT	Severe Thunderstorm Warning	ILN	Miami, Montgomery, Shelby	33 min
Apr 27, 4:28 AM EDT	Severe Thunderstorm Warning	ILN	Clark, Greene	47 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1994 Every severe thunderstorm warning in 1994

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.