Alert archive / Mississippi / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 60, NWS Memphis, TN

April 20, 1995Itawamba County, Monroe County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 20, 1995, 7:50 PM CDT for Itawamba County, Monroe County, Mississippi. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1995, 7:50 PM CDT (00:50 UTC)
Expired
Apr 20, 1995, 8:30 PM CDT
In force
40 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Itawamba County, MS, Monroe County, MS

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.8 hours before the alert went out and 182 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, Birmingham, AL at 00:00Z on 1995-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1059 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, Birmingham, AL at 00:00Z on 1995-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 175 square meters per square second.1939587897117Sfc1 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
1059 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
175 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.9

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 20, 6:01 PM CDT, 1 hour 49 minutes before
TNZ001>004-019>021-048>054-088>092-210000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
600 PM CDT THU APR 20 1995

...TORNADO WATCH FOR WEST TENNESSEE HAS BEEN CANCELLED...

THUNDERSTORMS OVER WEST TENNESSEE HAVE DIMINISHED IN INTENSITY OVER THE
PAST HOUR AND NO LONGER POSE A THREAT OF SEVERE WEATHER. DOPPLER RADAR
INDICATES SCATTERED SHOWERS AND A FEW THUNDERSTORMS OVER WEST TENNESSEE
MOVING TO THE NORTHEAST AT 30 MPH.

A COLD FRONT WHICH HAS TRIGGERED TODAYS STORMY WEATHER IS CURRENTLY OVER
EASTERN ARKANSAS AND SHOULD CROSS INTO WEST TENNESSEE WITHIN THE NEXT
HOUR. A LINE OF BRIEF HEAVY RAIN WILL ACCOMPANY THIS FRONT AS IT MOVES
EAST ACROSS WEST TENNESSEE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:06 PM CDTSevere Thunderstorm WarningMEGLowndes54 min
Apr 20, 7:12 PM CDTTornado WarningMEGLowndes18 min
Apr 20, 7:26 PM CDTTornado WarningMEGLowndes34 min
Apr 20, 7:53 PM CDTTornado WarningMEGMonroe52 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1995Every severe thunderstorm warning in 1995

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.