Alert archive / Ohio / Tornado Warnings in 1994

Tornado Warning 6, NWS Wilmington, OH

April 15, 1994Brown County, Clermont County, Ohio

NWS Wilmington, OH issued this tornado warning at Apr 15, 1994, 12:22 PM EDT for Brown County, Clermont County, Ohio. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 12:22 PM EDT (16:22 UTC)
Expired
Apr 15, 1994, 1:00 PM EDT
In force
38 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Brown County, OH, Clermont County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 4.4 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-pSkew-T log-p diagram, Dayton/James M C, OH at 12:00Z on 1994-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1754 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
138 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 KCVG 151623
TORCVG
OHC015-025-151700-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
1222 PM EDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  100 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST OHIO
 
   ...BROWN COUNTY...CLERMONT COUNTY
 
REPORTS INDICATE A POSSIBLE TORNAD TOUCHDOWN NEAR OWENSVILLE IN CLERMONT
COUNTY. THE STORM WAS MOVING EAST AT 50 MILES AN HOUR AND WILL MOVE INTO
BROWN COUNTY BY 1230 PM EDT.
 
 
THIS IS A DANGEROUS STORM. YOUR QUICK REACTION TO THIS TORNADO
WARNING MAY SAVE YOUR LIFE. MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIORR ROOM ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES.
 
 
JOHNSTONE
&

What forecasters said that day

The local office's own words before this tornado 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 15, 10:07 AM EDT, 2 hours 15 minutes before
OHZ036-045-046-054-055-056-057-063-064-065-066-067-073-074-075-
084-151515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS OH
1006 AM EDT FRI APR 15 1994

A TORNADO WATCH IS IN EFFECT UNTIL 4 PM FOR
FAYETTE...MADISON...MARION... AND UNION COUNTIES OF CENTRAL OHIO.

AT 1000 AM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS
AND STRONG THUNDERSTORMS EXTENDING FROM MADISON AND WESTERN PICKAWAY
COUNTIES DOWN ACROSS CENTRAL ROSS COUNTY.  THIS LINE OF SHOWERS AND
STORMS WAS MOVING NORTHEAST AT 40 MILES AN HOUR...AND WILL EXTEND FROM
COLUMBUS TO CIRCLEVILLE TO EASTERN ROSS COUNTY BY 1030 AM.

THE THUNDERSTORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...FREQUENT
LIGHTNING...AND POSSIBLY SMALL HAIL WITH WIND GUSTS TO 40 MILES AN HOUR.

GROH
Special weather statement, Apr 15, 10:27 AM EDT, 1 hour 55 minutes before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090-
091-092-093-094-095-096-097-099-151630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CINCINNATI OH
1034 AM EDT (934 AM EST) FRI APR 15 1994

A TORNADO WATCH REMAINS IN EFFECT FOR THE ENTIRE CINCINNATI TRISTATE
UNTIL 400 PM EDT (300 PM EST).

A TORNADO WATCH MEANS ATMOSPHERIC CONDITIONS ARE RIGHT FOR THE POSSIBLE
DEVELOPMENT OF SEVERE THUNDERSTORMS AND TORNADOES.  NUMEROUS REPORTS OF
TORNADO TOUCHDOWNS AND FUNNEL CLOUDS HAVE COME FROM PARTS OF CENTRAL AND
SOUTHERN INDIANA THIS MORNING.

AT 1015 AM EDT WEATHER SERVICE RADAR SHOWED AN INTENSE LINE OF
THUNDERSTORMS EXTENDING FROM MUNCIE INDIANA...75 MILES NORTHWEST OF
CINCINNATI...TO LOUISVILLE KENTUCKY. THIS LINE OF THUNDERSTORMS WAS
MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. THE LEADING EDGE OF
THUNDERSTORMS WAS 15 MILES WEST OF WESTERN RIPLEY COUNTY INDIANA.

THIS IS AN EXTREMELY DANGEROUS SITUATION. IF A. TORNADO IS SIGHTED OR A
WARNING IS ISSUED...TAKE COVER IMMEDIATELY.

JOHNSTONE
Special weather statement, Apr 15, 12:17 PM EDT, 5 minutes before
OHZ036-045-046-054>057-063>067-073>075-084-151715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS OH
1216 PM EDT FRI APR 15 1994

A TORNADO WATCH IS IN EFFECT FOR THE WESTERN HALF OF OHIO UNTIL 4 PM
EDT.

A TORNADO WATCH IS IN EFFECT FOR THE EASTERN HALF OF OHIO UNTIL 7 PM
EDT.

AT 1212 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND
STRONG THUNDERSTORMS ENTERING WESTERN OHIO AND MOVING TO THE
NORTHEAST AT 45 MILES AN HOUR.

ALTHOUGH THERE ARE NO THUNDERSTORMS IN CENTRAL AND SOUTHEAST OHIO AT
THIS TIME...THEY WILL BE MOVING INTO THE AREA DURING THE EARLY
AFTERNOON.  THESE ARE POTENTIALLY DANGEROUS STORMS. RESIDENTS OF CENTRAL
AND SOUTHEAST OHIO SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER.

THESE STORMS MAY PRODUCE HAIL...HEAVY RAIN...STRONG WINDS AND POSSIBLE
TORNADOES. WITH SATURATED GROUND CONDITIONS AND EXPECTED HEAY
RAIN...FLASH FLOODING COULD ALSO OCCUR.

STAY TUNED TO NOAA WEATHER RADIO AN4D YOUR LOCAL NEWS MEDIA FOR FURTHER
INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.

ONDREJIK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 11:12 AM EDTSevere Thunderstorm WarningILNKnox, Richland63 min
Apr 15, 11:31 AM EDTSevere Thunderstorm WarningILNPreble59 min
Apr 15, 11:38 AM EDTSevere Thunderstorm WarningILNButler, Hamilton52 min
Apr 15, 11:52 AM EDTSevere Thunderstorm WarningILNWarren68 min
Apr 15, 11:59 AM EDTTornado WarningILNHamilton31 min
Apr 15, 12:10 PM EDTSevere Thunderstorm WarningILNClermont65 min
Apr 15, 12:12 PM EDTTornado WarningILNWarren33 min
Apr 15, 12:18 PM EDTSevere Thunderstorm WarningILNBrown57 min
Apr 15, 12:33 PM EDTSevere Thunderstorm WarningILNClinton42 min
Apr 15, 12:46 PM EDTSevere Thunderstorm WarningILNHighland59 min
Apr 15, 1:30 PM EDTSevere Thunderstorm WarningILNCrawford60 min
Apr 15, 1:56 PM EDTSevere Thunderstorm WarningILNKnox34 min

Nearby

Tornado Warnings in Ohio, 1994Every tornado warning in 1994Tornadoes 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.