Alert archive / Mississippi / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 275, NWS New Orleans, LA

November 8, 2000Wilkinson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Nov 8, 2000, 3:57 PM CST for Wilkinson County, Mississippi. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 8, 2000, 3:57 PM CST (21:57 UTC)
Expired
Nov 8, 2000, 4:30 PM CST
In force
33 min
Issued by
NWS New Orleans, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Wilkinson County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 8, 3:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.0 hours before the alert went out and 174 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 2000-11-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 203 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 2000-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 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
203 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
211 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.

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.

NWS New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 8, 3:01 PM CST, 56 minutes earlier.

Area forecast discussion, Nov 8, 3:01 PM CST, 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA
300 PM CST NOV 08 2000

SEVERE WEATHER AND HEAVY RAINFALL EXPECTED UNTIL EARLY THU MORNING.
WARM MOIST UNSTABLE AIRMASS WILL PERSIST AHEAD OF THE ADVANCING
SQUALL LINE AND COLD FRONT. EXPECT THE FRONT TO BEGIN ACCELERATING
EAST ONCE THE SURFACE LOW MOVES INTO NORTHEAST LOUISIANA. EXPECT THE
SQUALL LINE TO MOVE INTO THE WESTERN PART OF THE CWA...BATON ROUGH
AREA... BETWEEN 9 PM AND MIDNIGHT AND CONTINUE EAST INTO THE NEW
ORLEANS AREA AROUND 3 AM THU MORNING. BY THIS TIME THE FRONT AND
SQUALL LINE SHOULD BE MOVING ON RAPIDLY EASTWARD WITH WITH SKIES
CLEARING RAPIDLY FROM THE WEST DURING THE DAY THU. TEMPS MAY BE A
LITTLE OFF DUE TO THE TIMING OF THE FRONT. WENT PRIMARILY WITH THE
MOS GUIDANCE FROM THE MRF FOR TEMPS AND POPS IN THE EXTENDED PORTION
OF THE FORECAST. EXPECT HEAVY RAINFALL OF ONE TO TWO INCHES. SEE NO
THREAT OF SIGNIFICANT FLOODING SINCE THE FRONT WILL BE MOVING EAST
AT 15 TO 20 KT AND INDIVIDUAL TSTMS WILL BE MOVING NORTHEAST IN
EXCESS OF 25 KT. NO STRONG THICKNESS DIFFLUENCE OR TRAINING EXPECTED
TO PERSIST FOR ANY EXTENDED PERIOD OF TIME.

MCB BU 054/060 040/065 042 17+10
BTR BU 055/062 040/067 044 17+10
MSY BU 058/063 049/066 049 17920
GPT CU 065/067 046/066 043 17940

.NEW...SCA PASCAGOULA TO ATCHAFALAYA RIVER INCLUDING LAKES
PONTCHARTRAIN AND MAUREPAS.
LA...NONE.
MS...NONE.

17

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 8, 11:53 AM CSTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa37 min
Nov 8, 11:57 AM CSTTornado WarningLIXSaint Tammany, Tangipahoa33 min
Nov 8, 12:28 PM CSTTornado WarningLIXSaint Tammany, Washington32 min
Nov 8, 1:01 PM CSTSevere Thunderstorm WarningLIXWashington29 min
Nov 8, 12:20 PM CSTSevere Thunderstorm WarningLIXPearl River55 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2000Every severe thunderstorm warning in 2000

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.