Alert archive / Mississippi / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 540, NWS Jackson, MS

November 14, 2006Jasper County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 14, 2006, 11:09 PM CST for Jasper County, Mississippi. It was in force for 36 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 14, 2006, 11:09 PM CST (05:09 UTC)
Expired
Nov 14, 2006, 11:45 PM CST
In force
36 min
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

County Jasper County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 86 km from the middle of the area, began a volume at 05:12 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 nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.2 hours before the alert went out and 96 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 00:00Z on 2006-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2006-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 327 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
568 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
327 m²/s²
0-3 km storm-relative helicity
378 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 14, 9:35 PM CST, 1 hour 34 minutes earlier.

Area forecast discussion, Nov 14, 9:35 PM CST, 1 hour 34 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
935 PM CST TUE NOV 14 2006

.DISCUSSION...THE MAIN CHANGES WERE MADE TO THE WX GRIDS TO INCLUDE
THE POSSIBILITY OF TORNADOES FOR WESTERN PORTIONS OF THE CWFA...AND
TO INCLUDE THE NEWLY ISSUED TORNADO WATCH. OTHERWISE...NO MAJOR
CHANGES WERE MADE TO THE FORECAST. IT STILL LOOKS LIKE A PRETTY
ACTIVE NIGHT IN STORE FOR THE CWFA.

THE AREA IS BEGINNING TO SET UP FOR A SEVERE WEATHER EVENT FOR OUR
REGION. MOISTURE IS INCREASING OVER LOUISIANA AND WESTERN
MISSISSIPPI...WITH DEW POINTS RANGING FROM AROUND 60 TO 70. THE
SURFACE LOW IS OVER THE TX/OK BORDER...AND SHOULD REACH THE ARKLATEX
AROUND MIDNIGHT. EXPECT THAT THE COLD FRONT WILL REACH CENTRAL
PORTIONS OF THE CWFA AROUND SUNRISE BEFORE EXITING THE EASTERN
PORTIONS OF THE CWFA AROUND LUNCHTIME ON WEDNESDAY.

A TORNADO WATCH IS BEING ISSUED FOR WESTERN PORTIONS OF THE CWFA
THROUGH 12Z...MAINLY FOR AREAS WEST OF THE MISSISSIPPI RIVER. THIS IS
CURRENTLY WHERE THE BETTER MOISTURE AND INSTABILITY WILL BE LOCATED
THROUGH THE NEXT COUPLE OF HOURS. AS WE MOVE INTO THE OVERNIGHT
HOURS...FAVORABLE CONDITIONS WILL BEGIN TO ENCOMPASS MORE OF THE
AREA. HEIGHTS WILL FALL AS THE LOW MOVES EAST TOWARD THE AREA. EXPECT
THAT AS WE GET CLOSER TO THIS TIME PERIOD WHEN CONDITIONS DETERIORATE
FARTHER EAST...ANOTHER WATCH BOX MAY BE NEEDED. /14/

&&

.AVIATION...CONDITIONS WILL BEGIN TO DETERIORATE THROUGH THE NEXT
SEVERAL HOURS AS A STORM SYSTEM APPROACHES THE AREA. MVFR CONDITIONS
WILL PREVAIL. HOWEVER...BRIEF PERIODS OF IFR CONDITIONS WILL BE
POSSIBLE WHEN CAUGHT UNDER A HEAVY DOWNPOUR. CONVECTION WILL BEGIN TO
START FOR WESTERN PORTIONS OF THE AREA BETWEEN NOW AND 06Z...AND THIS
WILL CONTINUE TO MOVE EAST THROUGH THE OVERNIGHT HOURS. THE AREA WILL
BEGIN TO SEE WINDS OF 10-15KT WITH HIGHER GUSTS TO 25-30KT BEGINNING
AFTER MIDNIGHT AND LASTING THROUGH MUCH OF WEDNESDAY. /14/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       57  66  42  56 / 100  84  24   8
MERIDIAN      55  66  42  56 / 100 100  24  11
VICKSBURG     62  64  41  57 / 100  74  24   5
HATTIESBURG   57  68  42  59 / 100 100   2   5
NATCHEZ       62  64  40  58 / 100  68   3   3
GREENVILLE    61  63  41  58 / 100  77  58   7
GREENWOOD     58  64  42  53 / 100  84  58  11

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...WIND ADVISORY FROM 6 AM WEDNESDAY TO MIDNIGHT CST WEDNESDAY
     NIGHT FOR MSZ018-MSZ019-MSZ025-MSZ026-MSZ027-MSZ028-MSZ029-
     MSZ030-MSZ031-MSZ032-MSZ033-MSZ034-MSZ035-MSZ036-MSZ037-
     MSZ038-MSZ039-MSZ040-MSZ041-MSZ042-MSZ043-MSZ044-MSZ045-
     MSZ046-MSZ047-MSZ048-MSZ049-MSZ050-MSZ051-MSZ052-MSZ053-
     MSZ054-MSZ055-MSZ056-MSZ057-MSZ058-MSZ059-MSZ060-MSZ061-
     MSZ062-MSZ063-MSZ064-MSZ065-MSZ066-MSZ072-MSZ073-MSZ074.

LA...WIND ADVISORY FROM 6 AM WEDNESDAY TO MIDNIGHT CST WEDNESDAY
     NIGHT FOR LAZ007-LAZ008-LAZ009-LAZ015-LAZ016-LAZ023-LAZ024-
     LAZ025-LAZ026.

AR...WIND ADVISORY FROM 6 AM WEDNESDAY TO MIDNIGHT CST WEDNESDAY
     NIGHT FOR ARZ074-ARZ075.

&&

14
Hazardous weather outlook, Nov 14, 8:00 PM CST, 3 hours 9 minutes before
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In the hours before

Special weather statement, Nov 14, 6:20 PM CST, 4 hours 49 minutes before
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Special weather statement, Nov 14, 9:45 PM CST, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
945 PM CST TUE NOV 14 2006

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
150600-
ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW-
CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL-
FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS-
ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR-
LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA-
MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE-
OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER-
TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO-
945 PM CST TUE NOV 14 2006

...SEVERE WEATHER OUTBREAK TONIGHT AND EARLY WEDNESDAY...

A POWERFUL STORM SYSTEM WILL MOVE ACROSS THE ARKLATEX REGION
TONIGHT...SENDING A WARM FRONT INTO THE OUTLOOK AREA. DEEP MOISTURE
AND WIND SHEAR WILL INCREASE ALONG AND SOUTH OF THE WARM
FRONT...CREATING A FAVORABLE ENVIRONMENT FOR SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING TORNADOES. THE POTENTIAL FOR STRONG TORNADOES
AND NUMEROUS SEVERE THUNDERSTORMS TONIGHT EXISTS OVER SOUTHEAST
ARKANSAS...NORTHEAST LOUISIANA...AND PORTIONS OF WEST MISSISSIPPI...
ESPECIALLY AFTER MIDNIGHT FOR GREENVILLE TO VICKSBURG TO NATCHEZ.
STRONG TORNADOES WILL BE POSSIBLE AS FAR EAST AS THE GREENWOOD TO
JACKSON TO HATTIESBURG AREA AFTER 3 AM. EAST OF INTERSTATE 55...THE
RISK FOR WIDESPREAD DAMAGING WIND GUSTS OF 60 TO 70 MPH WILL INCREASE
AS THUNDERSTORMS ORGANIZE INTO A SQUALL LINE AHEAD OF THE APPROACHING
COLD FRONT. ISOLATED TORNADOES WILL ALSO BE POSSIBLE WITH THE SQUALL
LINE AS IT RACES EASTWARD.

THE RISK FOR SEVERE WEATHER SHOULD END OVER THE ENTIRE AREA BY NOON
ON WEDNESDAY.

EC

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 15, 12:59 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis46 min
Nov 15, 1:27 AM CSTSevere Thunderstorm WarningJANJones63 min
Nov 15, 1:51 AM CSTSevere Thunderstorm WarningJANMarion39 min
Nov 15, 1:55 AM CSTSevere Thunderstorm WarningJANJasper35 min
Nov 15, 1:59 AM CSTTornado WarningJANMarion31 min
Nov 15, 2:14 AM CSTTornado WarningJANCovington, Lamar46 min
Nov 15, 2:38 AM CSTTornado WarningJANCovington, Forrest, Jones67 min
Nov 15, 3:02 AM CSTTornado WarningJANLamar, Marion58 min
Nov 15, 3:18 AM CSTSevere Thunderstorm WarningJANCovington27 min
Nov 15, 3:43 AM CSTTornado WarningJANJones17 min
Nov 15, 3:55 AM CSTTornado WarningJANForrest35 min
Nov 15, 4:00 AM CSTTornado WarningJANClarke45 min
Nov 15, 5:41 AM CSTSevere Thunderstorm WarningJANWashington49 min
Nov 15, 5:46 AM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey44 min
Nov 15, 6:01 AM CSTTornado WarningJANWashington44 min
Nov 15, 6:09 AM CSTSevere Thunderstorm WarningJANBolivar, Leflore, Sunflower51 min
Nov 15, 6:23 AM CSTTornado WarningJANLeflore, Sunflower52 min
Nov 15, 6:34 AM CSTSevere Thunderstorm WarningJANHumphreys, Issaquena, Sharkey, Yazoo41 min
Nov 15, 6:38 AM CSTTornado WarningJANHolmes, Humphreys, Sharkey37 min
Nov 15, 7:01 AM CSTSevere Thunderstorm WarningJANClaiborne, Warren44 min
Nov 15, 7:07 AM CSTTornado WarningJANHolmes38 min
Nov 15, 7:10 AM CSTSevere Thunderstorm WarningJANAdams, Jefferson50 min
Nov 15, 7:19 AM CSTSevere Thunderstorm WarningJANYazoo41 min
Nov 15, 7:38 AM CSTSevere Thunderstorm WarningJANCarroll, Montgomery37 min
Nov 15, 7:40 AM CSTSevere Thunderstorm WarningJANHinds50 min
Nov 15, 7:45 AM CSTSevere Thunderstorm WarningJANAttala45 min
Nov 15, 7:46 AM CSTSevere Thunderstorm WarningJANMadison59 min
Nov 15, 7:50 AM CSTSevere Thunderstorm WarningJANHolmes25 min
Nov 15, 8:04 AM CSTSevere Thunderstorm WarningJANYazoo26 min
Nov 15, 8:05 AM CSTSevere Thunderstorm WarningJANRankin55 min
Nov 15, 8:25 AM CSTSevere Thunderstorm WarningJANClay, Webster50 min
Nov 15, 8:28 AM CSTSevere Thunderstorm WarningJANLeake47 min
Nov 15, 8:53 AM CSTSevere Thunderstorm WarningJANOktibbeha37 min
Nov 15, 8:56 AM CSTSevere Thunderstorm WarningJANCopiah, Simpson64 min
Nov 15, 8:58 AM CSTSevere Thunderstorm WarningJANAttala, Neshoba, Winston62 min
Nov 15, 9:07 AM CSTSevere Thunderstorm WarningJANScott38 min
Nov 15, 9:19 AM CSTSevere Thunderstorm WarningJANClay, Lowndes41 min
Nov 15, 9:42 AM CSTSevere Thunderstorm WarningJANNewton63 min
Nov 15, 10:01 AM CSTSevere Thunderstorm WarningJANLowndes, Noxubee44 min
Nov 15, 10:05 AM CSTSevere Thunderstorm WarningJANKemper, Neshoba55 min
Nov 15, 4:58 AM CSTSevere Thunderstorm WarningJANMorehouse, West Carroll47 min
Nov 15, 5:50 AM CSTSevere Thunderstorm WarningJANFranklin, Richland40 min
Nov 15, 6:04 AM CSTSevere Thunderstorm WarningJANCatahoula41 min
Nov 15, 6:21 AM CSTSevere Thunderstorm WarningJANMadison54 min
Nov 15, 6:40 AM CSTTornado WarningJANMadison50 min
Nov 15, 6:47 AM CSTSevere Thunderstorm WarningJANTensas43 min
Nov 15, 6:56 AM CSTSevere Thunderstorm WarningJANConcordia49 min
Nov 15, 4:45 AM CSTSevere Thunderstorm WarningJANAshley45 min
Nov 15, 4:51 AM CSTSevere Thunderstorm WarningJANAshley54 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2006Every severe thunderstorm warning in 2006

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.