Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 39, NWS Memphis, TN

April 9, 1991Tate County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 9, 1991, 10:15 AM CDT for Tate County, Mississippi. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1991, 10:15 AM CDT (15:15 UTC)
Expired
Apr 9, 1991, 11:00 AM CDT
In force
45 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Tate County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.3 hours before the alert went out and 259 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, Jackson, MS at 12:00Z on 1991-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2634 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, Jackson, MS at 12:00Z on 1991-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
2634 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
28 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 9:35 AM CDTSevere Thunderstorm WarningMEGDeSoto55 min
Apr 9, 9:35 AM CDTSevere Thunderstorm WarningMEGCoahoma, Tunica55 min
Apr 9, 10:30 AM CDTSevere Thunderstorm WarningMEGMarshall60 min
Apr 9, 11:31 AM CDTSevere Thunderstorm WarningMEGPrentiss44 min
Apr 9, 11:43 AM CDTSevere Thunderstorm WarningMEGAlcorn32 min
Apr 9, 12:17 PM CDTSevere Thunderstorm WarningMEGTishomingo18 min
Apr 9, 4:55 PM CDTSevere Thunderstorm WarningMEGOktibbeha50 min
Apr 9, 5:39 PM CDTSevere Thunderstorm WarningMEGLowndes51 min
Apr 9, 9:01 AM CDTSevere Thunderstorm WarningMEGHaywood44 min
Apr 9, 10:10 AM CDTSevere Thunderstorm WarningMEGCarroll, Gibson, Madison50 min
Apr 9, 10:30 AM CDTSevere Thunderstorm WarningMEGLauderdale60 min
Apr 9, 11:05 AM CDTSevere Thunderstorm WarningMEGCrockett, Madison40 min
Apr 9, 11:16 AM CDTSevere Thunderstorm WarningMEGMcNairy29 min
Apr 9, 11:16 AM CDTSevere Thunderstorm WarningMEGCarroll, Gibson, Henderson29 min
Apr 9, 11:26 AM CDTSevere Thunderstorm WarningMEGHenry, Weakley64 min
Apr 9, 11:26 AM CDTSevere Thunderstorm WarningMEGBenton, Decatur, Hardin64 min
Apr 9, 8:20 AM CDTSevere Thunderstorm WarningMEGSt. Francis40 min
Apr 9, 8:26 AM CDTSevere Thunderstorm WarningMEGCross49 min
Apr 9, 8:45 AM CDTSevere Thunderstorm WarningMEGCrittenden, Lee60 min
Apr 9, 9:06 AM CDTSevere Thunderstorm WarningMEGCross, St. Francis54 min
Apr 9, 9:48 AM CDTSevere Thunderstorm WarningMEGCrittenden, Lee42 min
Apr 9, 11:03 AM CDTSevere Thunderstorm WarningMEGCross, Poinsett42 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning in 1991

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.