Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Jackson, MS

March 9, 1994Lamar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 9, 1994, 10:10 AM CST for Lamar County, Mississippi. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 9, 1994, 10:10 AM CST (16:10 UTC)
Expired
Mar 9, 1994, 10:45 AM CST
In force
35 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lamar County, MS

What was reported inside it

TimeReportWhereRemark
Mar 9, 10:20 AM CSTTornado F0Purvis, MSThis tornado moved through a sparsely populated area. Several trees were blown down or uprooted.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.2 hours before the alert went out and 108 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 12:00Z on 1994-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 504 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 12:00Z on 1994-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
504 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

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, Mar 9, 9:22 AM CST, 48 minutes before
MSZ038-039-045-046-051-052-057-058-066-067-091615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
919 AM CST WED MAR 9 1994

...TORNADO WATCH NUMBER 27 WHICH INCLUDES ALL COUNTIES IN EAST CENTRAL
MISSISSIPPI EXCEPT NESHOBA WINSTON AND NOXUBEE COUNTIES REMAINS IN
EFFECT UNTIL 100 PM CST...

AT 915 AM CST MERIDIAN RADAR INDICATED A LARGE AREA OF RAIN WITH
ISOLATED VERY STRONG THUNDERSTORMS 90 MILES WIDE FROM NEAR POPLARVILLE
MISSISSIPPI TO FOREST MISSISSIPPI TO TUSCALOOSA ALABAMA. THE STRONGEST
THUNDERSTORMS WERE LOCATED NEAR BAY SPRINGS AND SOUTH OF NEWTON
MISSISSIPPI. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH WHILE THE
AREA OF RAIN AND STORMS WAS MOVING EAST AT 25 MPH.

PERSONS IN OR CLOSE TO THESE STORMS SHOULD BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER SHOULD A
WARNING BE ISSUED.
Local storm report, Mar 9, 9:55 AM CST, 15 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
945 AM CST WED FEB 9 1994

TIME(CST)       LOCATION          REMARKS
804 AM       PERCY QUINN STATE    TREES BLOWN DOWN.  REPORT FROM
             PARK bNEAR MCCOMB     BROOKHAVEN MHP.
             PIKE COUNTY

810 AM       EAST OF MCCOMB       2 INJURIES IN TRAILER PARK
             ON HWY 98            FROM WIND DAMAGE.  REPORT
             PIKE COUNTY          FROM PIKE COUNTY CD.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 7:57 AM CSTSevere Thunderstorm WarningJANPike48 min
Mar 9, 8:12 AM CSTSevere Thunderstorm WarningJANLawrence, Lincoln48 min
Mar 9, 8:41 AM CSTSevere Thunderstorm WarningJANJefferson Davis34 min
Mar 9, 8:56 AM CSTSevere Thunderstorm WarningJANCovington34 min
Mar 9, 9:24 AM CSTSevere Thunderstorm WarningJANJasper, Jones51 min
Mar 9, 9:39 AM CSTSevere Thunderstorm WarningJANLauderdale51 min
Mar 9, 9:44 AM CSTSevere Thunderstorm WarningJANMarion, Walthall31 min
Mar 9, 10:22 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale53 min
Mar 9, 10:26 AM CSTTornado WarningJANForrest34 min
Mar 9, 10:51 AM CSTSevere Thunderstorm WarningJANLamar39 min
Mar 9, 11:09 AM CSTSevere Thunderstorm WarningJANJones, Wayne66 min
Mar 9, 11:30 AM CSTSevere Thunderstorm WarningJANLauderdale45 min
Mar 9, 11:37 AM CSTSevere Thunderstorm WarningJANNewton53 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.