Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 140, NWS Memphis, TN

June 25, 1994Clay County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 25, 1994, 11:47 AM CDT for Clay County, Mississippi. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 11:47 AM CDT (16:47 UTC)
Expired
Jun 25, 1994, 12:30 PM CDT
In force
43 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Clay County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 4.8 hours before the alert went out and 169 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, Little Rock, AR at 12:00Z on 1994-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 953 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, Little Rock, AR at 12:00Z on 1994-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939587897Sfc1 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
953 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1600 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KTUP 251647 RRA
SVRTUP
MSC025-251730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUPELO MS
1147 AM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN TUPELO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MISSISSIPPI
 
   ...WESTERN CLAY COUNTY
 
AT 1145 PM CDT NATIONAL WEATHER SERVICE RADAR IN TUPELO INDICATED A
SEVERE THUNDERSTORM 15 MILES NORTHEAST OF WEST POINT, MISSISSIPPI.
 
THE STORM WAS MOVING SOUTHEAST AT 20 MILES AN HOUR.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
 
NNNN

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 12:20 PM CDTSevere Thunderstorm WarningMEGLowndes55 min
Jun 25, 1:17 PM CDTSevere Thunderstorm WarningMEGLowndes28 min
Jun 25, 1:43 PM CDTSevere Thunderstorm WarningMEGTippah62 min
Jun 25, 1:46 PM CDTSevere Thunderstorm WarningMEGTippah59 min
Jun 25, 1:58 PM CDTSevere Thunderstorm WarningMEGPontotoc62 min
Jun 25, 2:12 PM CDTSevere Thunderstorm WarningMEGLafayette48 min
Jun 25, 2:40 PM CDTSevere Thunderstorm WarningMEGLowndes65 min
Jun 25, 2:52 PM CDTSevere Thunderstorm WarningMEGTishomingo68 min
Jun 25, 3:08 PM CDTSevere Thunderstorm WarningMEGAlcorn67 min
Jun 25, 3:23 PM CDTSevere Thunderstorm WarningMEGPontotoc52 min
Jun 25, 3:49 PM CDTSevere Thunderstorm WarningMEGChickasaw26 min
Jun 25, 4:06 PM CDTSevere Thunderstorm WarningMEGTippah69 min
Jun 25, 4:16 PM CDTTornado WarningMEGTippah29 min
Jun 25, 4:48 PM CDTTornado WarningMEGTippah27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.