Alert archive / Mississippi / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 289, NWS New Orleans, LA

November 9, 2000Jackson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Nov 9, 2000, 2:28 AM CST for Jackson County, Mississippi. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Nov 9, 2000, 2:28 AM CST (08:28 UTC)
Expired
Nov 9, 2000, 3:30 AM CST
In force
62 min
Issued by
NWS New Orleans, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Jackson County, MS

The radar

The Mobile radar (KMOB), 38 km from the middle of the area, began a volume at 08:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 9, 12:00 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.5 hours before the alert went out and 110 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 2000-11-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 709 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 2000-11-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
709 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KLIX 090831
SVRNEW
MSC059-090930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
228 AM CST THU NOV 9 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JACKSON COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...ESCATAWPA...MOSS POINT

* UNTIL 330 AM CST

* AT 222 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM ABOUT 2 MILES SOUTHWEST OF BILOXI...MOVING 
  NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OCEAN SPRINGS AT 238 AM CST
  3 MILES NORTHWEST OF VANCLEAVE AT 250 AM CST
  OVER WADE AT 305 AM CST

DAMAGING WINDS ARE LIKELY WITH THIS STORM. WEATHER BUOYS IN THE 
NEARBY COASTAL WATERS HAVE MEASURED WIND GUSTS TO 60 MPH. HEAVY 
RAINS MAY ALSO PRODUCE STREET FLOODING IN LOW LYING AND POORLY 
DRAINED AREAS. 

TAKE COVER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CST THURSDAY MORNING 
FOR JACKSON COUNTY.

LAT...LON 3066 8843 3074 8842 3075 8875 3075 8887
          3043 8887 3040 8879 3038 8843

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, 11 hours 27 minutes earlier.

Area forecast discussion, Nov 8, 3:01 PM CST, 11 hours 27 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

In the hours before

Special weather statement, Nov 9, 2:04 AM CST, 24 minutes before
LAZ038>040-050-057>068-070-MSZ071-077-080-091000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
204 AM CST THU NOV 9 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED TORNADO
WATCH NUMBER 791 FOR THE FOLLOWING PARISHES IN LOUISIANA...

WASHINGTON...TANGIPAHOA...ST TAMMANY...LIVINGSTON...ST JAMES...
ST JOHN THE BAPTIST...ST CHARLES...JEFFERSON...ORLEANS...ST BERNARD
...LAFOURCHE AND TERREBONNE.

THE TORNADO WATCH REMAINS IN EFFECT FOR LOWER PLAQUEMINES PARISH
UNTIL 5 AM CST.

IN MISSISSIPPI...THE TORNADO WATCH HAS BEEN CANCELLED FOR THE
FOLLOWING COUNTIES IN SOUTHERN MISSISSIPPI...

WALTHALL...PEARL RIVER...HANCOCK.

THE TORNADO WyATCH REMAINS IN EFFECT FOR HARRISON AND JACKSON COUNTIES
UNTIL 5 AM CST.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 9:28 PM CSTSevere Thunderstorm WarningLIXAmite47 min
Nov 8, 10:38 PM CSTSevere Thunderstorm WarningLIXPike67 min
Nov 8, 10:38 PM CSTSevere Thunderstorm WarningLIXWalthall67 min
Nov 9, 12:18 AM CSTSevere Thunderstorm WarningLIXPearl River27 min
Nov 9, 12:31 AM CSTTornado WarningLIXPearl River29 min
Nov 9, 1:35 AM CSTSevere Thunderstorm WarningLIXHarrison55 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; radar from the NEXRAD Level II archive.