Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 85, NWS Jackson, MS

March 30, 1993Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 30, 1993, 6:13 PM CST for Simpson County, Mississippi. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Mar 30, 1993, 6:13 PM CST (00:13 UTC)
Expired
Mar 30, 1993, 7:00 PM CST
In force
47 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Simpson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.2 hours before the alert went out and 186 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, Slidell Radar S, LA at 00:00Z on 1993-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2175 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, Slidell Radar S, LA at 00:00Z on 1993-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
2175 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
1.9
Supercell composite
10.4

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

Local storm report, Mar 30, 3:34 PM CST, 2 hours 39 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
333 PM CST TUE MAR 30 1993

331 PM CST...NESHOBA COUNTY C.D. REPORTS DIME SIZE HAIL 8 MILES
             SOUTHEAST OF PHILDELPHIA MS...NEAR THE HOUSE MS.
             COMMUNITY.
Local storm report, Mar 30, 4:32 PM CST, 1 hour 41 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
430 PM CST TUE MAR 30 1993

420 PM CST...NAVY WEATHER OBSERVER REPORTS TORNADO 8 MILES
             SOUTHSOUTWEST OF MERIDIAN NAVAL AIR STATION. IT
             WAS MOVING RAPIDLY EAST.
Local storm report, Mar 30, 4:53 PM CST, 1 hour 20 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
450 PM CST TUE MAR 30 1993

415 PM CST...CD REPORTED SEVERAL 15 INCH PINE TREES DOWN AT
             COLLINSVILLE MS IN NORTHWEST LAUDERDALE COUNTY
             MISSISSIPPI.

447 PM CST...WINSTON COUNTY CD REPORTED QUARTER SIZE HAIL 5 WEST
             OF NOXAPATER MISSISSIPPI IN WINSTON COUNTY.
Local storm report, Mar 30, 5:23 PM CST, 50 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
520 PM CST TUE MAR 30 1993

TIME(CST)       LOCATION            REMARKS

508 PM CST      BRAXTON             GOLFBALL SIZE HAIL.
                SIMPSON 8CO.
Local storm report, Mar 30, 5:32 PM CST, 41 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
530 PM CST TUE MAR 30 1993

TIME(CST)       LOCATION            REMARKS

525 PM CST      BRAXTON             BASEBALL SIZE HAIL.
                SIMPSON NCO.
Local storm report, Mar 30, 5:40 PM CST, 33 minutes before
LOCAL STORM REPORT...UPDATED...
NATIONAL WEATHER SERVICE MERIDIAN MS
540 PM CST TUE MAR 30 1993

...UPDATE ON WINSTON COUNTY MISSISSIPPI...

430 PM CST...CD REPORTED 20 SOUTHWEST OF LOUISVILLE MS DIME
             SIZE HAIL.

445 PM CST...WINSTON COUNTY CD REPORTED QUARTER SIZE HAIL 12
             SOUTH SOUTHWEST OF LOUISVILLE MS.

452 PM CST...WINSTON CD REPORTED QUARTER SIZE HAIL 8 SOUTH OF
             LOUISVILLE MS.

505 PM CST...WINSTON| CD REPORTED DIME SIZE HAIL 6 SE OF LOUISVILLE
             MS.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 6:20 PM CSTTornado WarningJANSmith40 min
Mar 30, 6:26 PM CSTSevere Thunderstorm WarningJANAttala34 min
Mar 30, 6:26 PM CSTSevere Thunderstorm WarningJANJones49 min
Mar 30, 6:31 PM CSTSevere Thunderstorm WarningJANSunflower, Washington44 min
Mar 30, 6:35 PM CSTTornado WarningJANJasper55 min
Mar 30, 6:46 PM CSTSevere Thunderstorm WarningJANClarke44 min
Mar 30, 6:52 PM CSTSevere Thunderstorm WarningJANChoctaw53 min
Mar 30, 6:59 PM CSTSevere Thunderstorm WarningJANNewton46 min
Mar 30, 7:04 PM CSTSevere Thunderstorm WarningJANSimpson, Smith56 min
Mar 30, 7:10 PM CSTSevere Thunderstorm WarningJANClaiborne, Warren65 min
Mar 30, 7:10 PM CSTSevere Thunderstorm WarningJANJefferson65 min
Mar 30, 7:17 PM CSTSevere Thunderstorm WarningJANLauderdale43 min
Mar 30, 7:21 PM CSTTornado WarningJANSimpson, Smith54 min
Mar 30, 7:41 PM CSTSevere Thunderstorm WarningJANKemper49 min
Mar 30, 7:48 PM CSTSevere Thunderstorm WarningJANCopiah, Hinds57 min
Mar 30, 8:18 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren, Washington57 min
Mar 30, 8:44 PM CSTSevere Thunderstorm WarningJANHinds, Rankin46 min
Mar 30, 11:39 PM CSTSevere Thunderstorm WarningJANWarren36 min
Mar 31, 12:09 AM CSTSevere Thunderstorm WarningJANFranklin51 min
Mar 31, 12:22 AM CSTTornado WarningJANWashington53 min
Mar 31, 12:29 AM CSTSevere Thunderstorm WarningJANNeshoba46 min
Mar 31, 1:13 AM CSTSevere Thunderstorm WarningJANLeake32 min
Mar 31, 1:40 AM CSTSevere Thunderstorm WarningJANNeshoba50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1993Every severe thunderstorm warning in 1993

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.