Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Wilmington, OH

April 15, 1994Knox County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 15, 1994, 1:56 PM EDT for Knox County, Ohio. It was in force for 34 min.

The area

The counties it named.

The facts

Issued: Apr 15, 1994, 1:56 PM EDT (17:56 UTC)
Expired: Apr 15, 1994, 2:30 PM EDT
In force: 34 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Knox County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 5.9 hours before the alert went out and 161 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: 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 15, 10:27 AM EDT, 3 hours 29 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, 1 hour 39 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

Special weather statement, Apr 15, 12:24 PM EDT, 1 hour 32 minutes before

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Special weather statement, Apr 15, 1:13 PM EDT, 43 minutes before

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Special weather statement, Apr 15, 1:14 PM EDT, 42 minutes before

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Special weather statement, Apr 15, 1:40 PM EDT, 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 11:12 AM EDT	Severe Thunderstorm Warning	ILN	Knox, Richland	63 min
Apr 15, 11:31 AM EDT	Severe Thunderstorm Warning	ILN	Preble	59 min
Apr 15, 11:38 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton	52 min
Apr 15, 11:52 AM EDT	Severe Thunderstorm Warning	ILN	Warren	68 min
Apr 15, 11:59 AM EDT	Tornado Warning	ILN	Hamilton	31 min
Apr 15, 12:10 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	65 min
Apr 15, 12:12 PM EDT	Tornado Warning	ILN	Warren	33 min
Apr 15, 12:18 PM EDT	Severe Thunderstorm Warning	ILN	Brown	57 min
Apr 15, 12:22 PM EDT	Tornado Warning	ILN	Brown, Clermont	38 min
Apr 15, 12:33 PM EDT	Severe Thunderstorm Warning	ILN	Clinton	42 min
Apr 15, 12:46 PM EDT	Severe Thunderstorm Warning	ILN	Highland	59 min
Apr 15, 1:30 PM EDT	Severe Thunderstorm Warning	ILN	Crawford	60 min
Apr 15, 11:04 AM EDT	Severe Thunderstorm Warning	ILN	Carroll, Gallatin	56 min
Apr 15, 11:17 AM EDT	Tornado Warning	ILN	Carroll, Gallatin	28 min
Apr 15, 11:21 AM EDT	Severe Thunderstorm Warning	ILN	Owen	69 min
Apr 15, 11:31 AM EDT	Severe Thunderstorm Warning	ILN	Boone	44 min
Apr 15, 11:38 AM EDT	Severe Thunderstorm Warning	ILN	Grant	52 min
Apr 15, 11:43 AM EDT	Severe Thunderstorm Warning	ILN	Campbell, Kenton, Pendleton	62 min
Apr 15, 10:45 AM EDT	Severe Thunderstorm Warning	ILN	Ripley	75 min
Apr 15, 11:04 AM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ohio	56 min
Apr 15, 11:07 AM EDT	Tornado Warning	ILN	Switzerland	38 min
Apr 15, 11:24 AM EDT	Tornado Warning	ILN	Dearborn, Franklin	51 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.