Alert archive / Kentucky / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 48, NWS Wilmington, OH

April 29, 1994Grant County, Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 29, 1994, 6:56 AM EDT for Grant County, Kentucky. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Apr 29, 1994, 6:56 AM EDT (10:56 UTC)
Expired
Apr 29, 1994, 7:45 AM EDT
In force
49 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Grant County, KY

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 10.9 hours before the alert went out and 144 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 1994-04-29Temperature 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 00:00Z on 1994-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 349 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
994 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
349 m²/s²
0-3 km storm-relative helicity
487 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 29, 5:34 AM EDT, 1 hour 22 minutes before
OHZ036-045-046-054>057-063>067-073>075-084-291030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS OH
532 AM EDT FRI APR 29 1994

SHOWERS AND THUNDERSTORMS WERE MOVING THROUGH CENTRAL OHIO.

AT 530 AM EDT NATIONAL WEATHER SERVICE RADAR IN COLUMBUS INDICATED
A 20 MILE WIDE BAND OF SHOWERS AND THUNDERSTORMS EXTENDING FROM 15 MILES
NORTH OF MANSFIELD...THROUGH COLUMBUS TO WEST UNION IN ADAMS COUNTY.  THTHUNDERSTORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR.

A RAPIDLY MOVING THUNDERSTORM PASSED OVER PORT COLUMBUS AIRPORT DROPPING
OVER A TENTH OF RAIN IN JUST FOUR MINUTES.  THIS THUNDERSTORM BRIEFLY
REDUCED THE VISIBILITY TO UNDER ONE QUARTER OF A MILE.  THESE STORMS MAY
PROjDUCE GUSTY WINDS TO NEAR 35 MILES AN HOUR...SMALL HAIL...AND FREQUENT
LIGHTNING. IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...BE PREPARED
FOR THESE CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION.

ONDREJIK

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 6:13 AM EDTSevere Thunderstorm WarningILNHamilton47 min
Apr 29, 6:56 AM EDTSevere Thunderstorm WarningILNClermont49 min
Apr 29, 6:28 AM EDTSevere Thunderstorm WarningILNBoone, Kenton47 min
Apr 29, 6:31 AM EDTSevere Thunderstorm WarningILNOwen44 min
Apr 29, 6:39 AM EDTSevere Thunderstorm WarningILNCarroll, Gallatin51 min
Apr 29, 7:08 AM EDTSevere Thunderstorm WarningILNPendleton52 min
Apr 29, 6:00 AM EDTSevere Thunderstorm WarningILNDearborn, Ripley45 min
Apr 29, 9:52 AM EDTSevere Thunderstorm WarningILNOhio, Switzerland40 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1994Every 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.