Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 48, NWS Jackson, MS

February 24, 2011Jasper County, Simpson County, Smith County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 24, 2011, 10:48 PM CST for Jasper County, Simpson County, Smith County, Mississippi. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 24, 2011, 10:48 PM CST (04:48 UTC)
Expired
Feb 24, 2011, 11:45 PM CST
In force
57 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Jasper County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 56 km from the middle of the area, began a volume at 04:50 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.

What was reported inside it

TimeReportWhereRemark
Feb 24, 11:18 PM CSTTSTM WND DMGLouin, MSA COUPLE TREES DOWN...1 ACROSS CR 168.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 30 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.8 hours before the alert went out and 67 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 2011-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 00:00Z on 2011-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.1939587897117Sfc1 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
58 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
420 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

787 
WUUS54 KJAN 250448
SVRJAN
MSC061-127-129-250545-
/O.NEW.KJAN.SV.W.0048.110225T0448Z-110225T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1048 PM CST THU FEB 24 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SIMPSON COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...MENDENHALL...MAGEE...
  SMITH COUNTY IN CENTRAL MISSISSIPPI...
  JASPER COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF STRINGER...

* UNTIL 1145 PM CST

* AT 1049 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM BURNS TO MARTINVILLE MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PINEVILLE...RALEIGH...TAYLORSVILLE...GARLANDVILLE...BAY SPRINGS...
  TURNERVILLE...ROSE HILL...PAULDING...HEIDELBERG AND STAFFORD
  SPRINGS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

&&

LAT...LON 3223 8893 3183 8892 3179 8964 3185 8993
      3205 8985 3206 8973 3222 8963 3223 8946
TIME...MOT...LOC 0449Z 270DEG 44KT 3216 8946 3199 8968

$$

CME
1 follow-up statement
016 
WWUS54 KJAN 250514
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1114 PM CST THU FEB 24 2011

MSC061-127-129-250545-
/O.CON.KJAN.SV.W.0048.000000T0000Z-110225T0545Z/
SMITH MS-JASPER MS-SIMPSON MS-
1114 PM CST THU FEB 24 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CST
FOR SOUTHEASTERN SIMPSON...JASPER AND SMITH COUNTIES...

AT 1114 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MONTROSE TO MIZE MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TAYLORSVILLE...BAY SPRINGS...TURNERVILLE...ROSE HILL...STRINGER...
PAULDING...STAFFORD SPRINGS AND HEIDELBERG

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
EAST CENTRAL MISSISSIPPI.

&&

LAT...LON 3203 8969 3221 8930 3223 8893 3183 8892
      3179 8964 3185 8993
TIME...MOT...LOC 0514Z 270DEG 44KT 3216 8910 3190 8950

$$

DHB

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 Feb 24, 8:55 PM CST, 1 hour 53 minutes earlier.

Area forecast discussion, Feb 24, 8:55 PM CST, 1 hour 53 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
855 PM CST THU FEB 24 2011

...SEVERE STORMS TONIGHT AND AGAIN POSSIBLY SUNDAY INTO SUNDAY
NIGHT...

.UPDATE...LINE OF SEVERE STORMS PUSHING THROUGH THE DELTA REGION OF
MISSISSIPPI EXTENDING FROM WEST OF EUPORA TO VICKSBURG THEN WEAKENING
TO STRONG STORMS SOUTHWESTWARD OVER NORTHEAST LOUISIANA. HAVE UPDATED
ZONES FOR NEW TORNADO WATCH ALONG AND EAST OF THE SQUALL LINE ALONG
INTERSTATE 20 UNTIL 2 AM. OLD WATCH IN THE DELTA REGION WILL BE ALLOWED
TO EXPIRE AT 10 AM. ADJUSTED GRIDS AND ZONES. THE LINE SHOULD BE
OUT OF THE REGION BY AFTER 1 AM. THE REST OF FORECAST APPEARS TO BE
ON TRACK. THE LINE WILL CONTINUE TO WORK ITS WAY ACROSS THE AREA
THROUGH THE EVENING INTO THE NIGHT. THE LATEST SOUNDING INDICATES A
STRONG CAP AROUND 650MB AND THIS PLAYS OUT AS THERE IS VERY LITTLE
ACTIVITY EXCEPT FOR SHOWERS AHEAD OF THE LINE. MOISTURE IS SURGING
NORTHWARD AHEAD OF THE LINE WITH THE MODELS INDICATE A 328-330K
THETA E RIDGE NOSING UP OUT AHEAD OF IT. AS THE UPPER FORCING GETS
CLOSER THE CAP WILL BREAK FROM WEST TO EAST ACROSS THE AREA. THE
BEST INSTABILITY/SHEAR CONTINUES TO LOOK GENERALLY ALONG AND NORTH
OF THE I-20 CORRIDOR WITH THE BEST COMBINATION OVER THE NORTHERN
PORTIONS OF THE AREA. THE LINE WILL EVENTUALLY SHIFT TO THE EAST OF
THE AREA AFTER 1 AM AND HIGH PRESSURE RIDGING WILL BUILD IN. LOW
LEVEL MOISTURE BEHIND THE BOUNDARY WILL KEEP THE CLOUDS AROUND
THROUGH THE MORNING HOURS THOUGH. /15/17/

./PREVIOUS DISCUSSION...THUNDERSTORMS LINED UP TO OUR WEST (AND
PUSHING INTO THE ARKLATEX) ALONG A PRE-FRONTAL SURFACE TROUGH ARE
STARTING TO LOOK MORE HEALTHY AT THIS HOUR IN RESPONSE TO INCREASING
UPPER LEVEL FORCING. STILL HAVE SEEN VERY LITTLE EVIDENCE OF ANY
SIGNIFICANT ISOLATED PRE-SQUALL CONVECTION IN THE VICINITY OF THE
REGION...WHICH IS SOMETHING WE ARE KEEPING A CLOSE EYE ON. ACTIVITY
TO THE WEST WAS EARLIER CREEPING EAST AT 20 KTS...BUT IS NOT
ACCELERATING AS INTENSITIES HEIGHTEN.

IF NO PRE-SQUALL LINE SUPERCELLULAR ACTIVITY MATERIALIZES AT
ALL...EXPECT THUNDERSTORMS TO NOT GET INTO THE EXTREME NORTHWEST
ARKLAMISS DELTA ZONES UNTIL AT LEAST 630 OR 7 PM. THESE STORMS HAVE
PRODUCED VERY LITTLE SEVERE REPORTS AS OF THE TIME OF THIS
WRITING...BUT THIS WILL PROBABLY NOT CONTINUE TO BE THE CASE SINCE
STORM INTENSITIES ARE PICKING UP AND THE THE OVERALL ENVIRONMENT FOR
STORM GROWTH IS BECOMING MORE FAVORABLE WITH TIME THIS AFTERNOON. IN
FACT...THE STORM PREDICTION CENTER HAS ALREADY PLACED PORTIONS OF MY
NORTHWESTERN ZONES IN A TORNADO WATCH THROUGH 10 PM ALREADY. OUR
THINKING IS THAT THIS LINE OF STORMS WILL MAINLY CARRY A DAMAGING
WIND GUST POTENTIAL TO 60 OT 70 MPH...BUT VERY HIGH LEVELS OF
LOW-LEVEL SHEAR WILL ALSO BRING A RISK FOR QLCS-TYPE ASSOCIATED
TORNADOES.

AS PREVIOUSLY MENTIONED BY OUR OFFICE IN CONJUNCTION WITH THIS
EVENT...LEVELS OF INSTABILITY ARE NOT EXPECTED TO BE HIGH (< 1000
J/KG ML CAPE) AND STRONG UPWARD MOTION OFFERED BY THE INCOMING
ATMOSPHERIC DISTURBANCE WILL BE NECESSARY TO OVERCOME THIS LACK AND
BRING STORMS UP TO SEVERE STRENGTH. THIS UPWARD MOTION SHOULD
DECREASE GREATLY AS YOU HEAD SOUTH TOWARD THE COAST...SO IT IS NOT
HARD TO IMAGINE THAT OUR CONFIDENCE IN SEVERE WEATHER IS MUCH LESS
DOWN TOWARD THE HIGHWAY 84 CORRIDOR (AND ESPECIALLY IN SOUTHEASTERN
MS WHERE INSTABILITY WILL LIKELY BE LESS THAN ELSEWHERE). PREVIOUS
HWO PRODUCTS HAVE BEEN ASSESSING THE RISK MUCH IN THE THIS FASHION
AND THUS NO RADICAL UPDATES HAVE BEEN MADE TO TENOR AND MESSAGE OF
PRODUCTS CONCERNING THIS EVENT.

WE EXPECT THE SQUALL LINE TO BASICALLY SHOW A NORTHEAST TO SOUTHWEST
TILT ACROSS THE REGION AS IT MOVES THROUGH THIS EVENING...PROBABLY
COMING CLOSE TO PARALLELING THE NATCHEZ TRACE CORRIDOR BY
MIDNIGHT...AND THEN LIKELY EXITING THE EASTERN PORTIONS OF OUR CWA
AROUND 3 TO 4 AM. THE BIG WILD CARD IN MY NORTHWEST ZONES THROUGH
EARLY THIS EVENING REMAINS ON WHETHER OR NOT ANY PRE-SQUALL ISOLATED
SUPERCELLS CAN MATERIALIZE. IF THIS OCCURS THEN OBVIOUSLY ALL MODES
OF SEVERE WEATHER WOULD BE A MAJOR RISK WITH ANY SUCH CELLS.
HOWEVER...IT IS JUST A SMALL CHANCE THAT SUCH DEVELOPMENT WILL OCCUR
AND EFFECT OUR AREA SINCE SOUNDINGS THIS MORNING THROUGH MIDDAY
AROUND OUR LATITUDE HAVE SHOWN RESIDUAL THERMAL CAPPING THAT WILL
PROBABLY HOLD UP UNTIL SQUALL LINE ARRIVAL. OTHERWISE...EXPECT SOUTH
WINDS FROM THE SOUTH TO BE GUSTING VIGOROUSLY OUT AHEAD OF THIS
SQUALL LINE...ESPECIALLY IN THE UPPER ARKLAMISS DELTA WHERE A WIND
ADVISORY IS IN EFFECT THROUGH MIDNIGHT. IT IS POSSIBLE WE MAY HAVE
TO EXPAND THIS WIND ADVISORY EARLY THIS EVENING AND WE WILL WATCH
THAT SITUATION CLOSELY.

LOOK FOR THE ACTUAL COLD FRONT TO LAG THE PRE-FRONTAL TROUGH BY A
BIT...NOT MOVING ACROSS THE BULK OF THE REGION UNTIL VERY LATE
TONIGHT OR EARLY TOMORROW MORNING. LOW CLOUDS AND MAYBE A PATCH OR
TWO OF DRIZZLE COULD HANG IN UNTIL THIS FRONT CLEARS. FOLLOWING THIS
FEATURE WILL BE COOLER TEMPERATURES FOR TOMORROW AND TOMORROW
NIGHT...BUT WE STILL DO NOT EXPECT ANYBODY TO GET DOWN TO FREEZING
TOMORROW NIGHT (ALTHOUGH SOME SPOTS IN EAST CENTRAL AND NORTHEASTERN
MS MAY GET CLOSE). THE COOL CONDITIONS WILL BE SHORT LIVED AS THE
VERY PROGRESSIVE CONUS PATTERN TRANSFERS THIS HIGH PRESSURE QUICKLY
TO THE EAST AND SHOVES ANOTHER POWERFUL DISTURBANCE TOWARD US FROM
OUT OF THE DESERT SOUTHWEST BY LATER SUNDAY. TRENDS WITH THIS SYSTEM
TO IMPACT THE ARKLAMISS WITH CHANCES OF SHOWERS AND STORMS LATE
SUNDAY INTO EARLY MONDAY HAVE BEEN LOOKING MORE IN THE STYLE OF
HYPER LA-NINA (AND THUS WARMER AND LESS WET). COMBINATIONS OF
INSTABILITY AND WIND SHEAR COULD STILL END OF UP BEING DISTURBINGLY
HIGH FOR PORTIONS OF THE AREA (ESPECIALLY NORTH OF I-20)...WHILE
THERMAL CAPPING COULD PRECLUDE A VERY HIGH SEVERE POTENTIAL IN OUR
SOUTH. WE HAVE TRENDED THE HWO TOWARD THIS LINE OF THINKING SOME.

THE FORECAST FOR THE REST OF THE EXTENDED FORECAST WAS DEFERRED TO
THE PREVIOUS FORECASTER AND THEIR RELEVANT DISCUSSION WAS APPENDED
BELOW. /BB/

&&

PREV DISCUSSION LONG TERM DISCUSSION...
/ISSUED 330 AM CST THU FEB 24 2011/

LONG TERM...SATURDAY THROUGH THURSDAY...

FOR MONDAY NIGHT THROUGH THURSDAY...
WE WILL ENTER A QUIET PERIOD OF WEATHER AS SEVERAL FLAT UPPER RIDGES
MOVES OVER THE REGION. LOWS WILL BE GENERALLY FROM THE UPPER 30S TO
THE MIDDLE 40S. HIGHS WILL GO FROM THE 50S AND 60S ON TUESDAY TO THE
60S AND LOWER 70S FOR WEDNESDAY AND THURSDAY. WENT WITH A BLEND OF
MEX...GMOS AND ENSEMBLES./17/

&&

.AVIATION...EXPECT A SQUALL LINE TO MOVE ACROSS THE AREA THIS
EVENING AND INTO THE EARLY MORNING...AROUND 01-03Z GLH TO
GWO...JAN/GTR ~03-05Z...THEN MEI/HBG ~06-08Z. THE LINE WILL BE
ACCOMPANIED BY MVFR/IFR CONDITIONS WITH SEVERE WIND GUSTS >50 KTS.
EXPECT SOME MVFR CATEGORY STRATUS TO LINGER BEHIND THE FRONT THROUGH
EARLY FRIDAY MORNING. CLEARING SKIES AND VFR CONDITIONS EXPECTED FRI
AFTN THROUGH FRI NIGHT. /EC/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       55  64  40  73 /  99   3   0   4
MERIDIAN      58  66  36  74 /  95   4   0   2
VICKSBURG     53  61  40  73 / 100   1   0   5
HATTIESBURG   62  72  44  75 /  75   7   0   5
NATCHEZ       53  63  44  72 /  86   3   0   5
GREENVILLE    47  56  38  71 / 100   0   0   3
GREENWOOD     48  57  36  72 / 100   3   0   2

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...WIND ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR MSZ018-019-025>028-
     034>036-040>042-047.

LA...WIND ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR LAZ007>009-015-016-
     023-025.

AR...WIND ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR ARZ074-075.

&&

BB/EC/17
UPDATE: 15
Hazardous weather outlook, Feb 24, 3:23 PM CST, 7 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
323 PM CST THU FEB 24 2011

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025>028-034>036-
040>042-047-252130-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-TENSAS-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-
CARROLL-MONTGOMERY-WASHINGTON-HUMPHREYS-HOLMES-ISSAQUENA-SHARKEY-
YAZOO-WARREN-
323 PM CST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND FRIDAY

A SQUALL LINE CONTAINING SEVERE THUNDERSTORMS IS EXPECTED TO CROSS
THE OUTLOOK AREA DURING THE EVENING HOURS. A FEW SEVERE
THUNDERSTORMS COULD DEVELOP AHEAD OF THE LINE. THE MAIN SEVERE
WEATHER RISKS WILL BE DAMAGING WIND GUSTS UP TO 75 MPH AND POSSIBLE
TORNADOES.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY

A SEVERE WEATHER EVENT IS STILL POSSIBLE SUNDAY NIGHT...ESPECIALLY
FOR AREAS NORTH OF INTERSTATE 20...AS A POTENT LOW PRESSURE SYSTEM
DEVELOPS OVER THE PLAINS STATES AND TRACKS NORTH OF THE ARKLAMISS
REGION. VERY STRONG WIND SHEAR IS EXPECTED TO COMBINE WITH AN
UNSTABLE AIRMASS TO BRING THE POTENTIAL FOR SEVERE THUNDERSTORMS.
PERSONS IN THE ARKLAMISS SHOULD KEEP UP TO DATE ON THE LATEST
OUTLOOKS AND FORECASTS CONCERNING THIS STORM SYSTEM.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT EXPECTED THROUGH NEXT WEDNESDAY.

LAZ024-026-MSZ029>033-037>039-043>046-048>060-252130-
CATAHOULA-CONCORDIA-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-ATTALA-
WINSTON-NOXUBEE-MADISON MS-LEAKE-NESHOBA-KEMPER-HINDS-RANKIN-
SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-
CLARKE-JEFFERSON-ADAMS-
323 PM CST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST LOUISIANA AND CENTRAL
MISSISSIPPI...

.DAY ONE...TONIGHT AND FRIDAY

A SQUALL LINE CONTAINING SEVERE THUNDERSTORMS IS EXPECTED TO CROSS
THE OUTLOOK AREA DURING THE MID TO LATE EVENING HOURS. THE MAIN
SEVERE WEATHER RISKS WILL BE DAMAGING WIND GUSTS UP TO 70 MPH AND
POSSIBLE TORNADOES EMBEDDED IN THE LINE.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY

A SEVERE WEATHER EVENT IS STILL POSSIBLE SUNDAY AFTERNOON INTO
SUNDAY NIGHT...ESPECIALLY FOR LOCATIONS NORTH OF INTERSTATE 20...AS
A POTENT LOW PRESSURE SYSTEM DEVELOPS OVER THE PLAINS STATES AND
TRACKS NORTH OF THE ARKLAMISS REGION. VERY STRONG WIND SHEAR IS
EXPECTED TO COMBINE WITH AN UNSTABLE AIRMASS TO BRING THE POTENTIAL
FOR SEVERE THUNDERSTORMS. PERSONS IN THE ARKLAMISS SHOULD KEEP UP TO
DATE ON THE LATEST OUTLOOKS AND FORECASTS CONCERNING THIS STORM
SYSTEM.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS WILL BE NEEDED THROUGH THIS EVENING...AND POSSIBLY AGAIN
FROM SUNDAY AFTERNOON INTO SUNDAY NIGHT.

MSZ061>066-072>074-252130-
FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-
MARION-LAMAR-FORREST-
323 PM CST THU FEB 24 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND FRIDAY

A SQUALL LINE CONTAINING ISOLATED SEVERE THUNDERSTORMS IS EXPECTED
TO CROSS THE AREA DURING THE LATE EVENING AND EARLY MORNING HOURS.
THE MAIN SEVERE WEATHER RISKS WILL BE DAMAGING WIND GUSTS UP TO 60
MPH AND POSSIBLE TORNADOES EMBEDDED IN THE LINE.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY

A SEVERE WEATHER EVENT IS STILL POSSIBLE SUNDAY NIGHT...ESPECIALLY
FOR AREAS NORTH OF INTERSTATE 20...AS A POTENT LOW PRESSURE SYSTEM
DEVELOPS OVER THE PLAINS STATES AND TRACKS NORTH OF THE ARKLAMISS
REGION. VERY STRONG WIND SHEAR IS EXPECTED TO COMBINE WITH AN
UNSTABLE AIRMASS TO BRING THE POTENTIAL FOR SEVERE THUNDERSTORMS.
PERSONS IN THE ARKLAMISS SHOULD KEEP UP TO DATE ON THE LATEST
OUTLOOKS AND FORECASTS CONCERNING THIS STORM SYSTEM.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT EXPECTED THROUGH NEXT WEDNESDAY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER
OUTLOOK.

EC

In the hours before

Local storm report, Feb 24, 10:01 PM CST, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1001 PM CST THU FEB 24 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0930 PM     TSTM WND DMG     ACKERMAN                33.31N 89.17W
02/24/2011                   CHOCTAW            MS   EMERGENCY MNGR

            TREES DOWN ACROSS PARTS OF CHOCTAW COUNTY

&&
Local storm report, Feb 24, 10:17 PM CST, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1017 PM CST THU FEB 24 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0750 PM     TSTM WND DMG     GRACE                   33.00N 90.96W
02/24/2011                   ISSAQUENA          MS   EMERGENCY MNGR

            TREE LIMBS DOWN AND TIN ROOFS OFF SOME STRUCTURES

0955 PM     DOWNBURST        BRANDON                 32.28N 90.00W
02/24/2011                   RANKIN             MS   EMERGENCY MNGR

            TREES AND POWERLINES DOWN ON JASPER STREET

&&
Local storm report, Feb 24, 10:19 PM CST, 29 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
1019 PM CST THU FEB 24 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0955 PM     TSTM WND DMG     BRANDON                 32.28N 90.00W
02/24/2011                   RANKIN             MS   EMERGENCY MNGR

            TREES AND POWERLINES DOWN ON JASPER STREET

&&
Local storm report, Feb 24, 10:40 PM CST, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1040 PM CST THU FEB 24 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0727 PM     TSTM WND DMG     6 SSW GREENVILLE        33.31N 91.09W
02/24/2011                   WASHINGTON         MS   EMERGENCY MNGR

            PART OF THE ROOF BLOWN OFF A CASINO NEAR THE MISSISSIPPI
            RIVER BRIDGES. SEVERAL LIGHT POLES ALSO BLOWN DOWN IN THE
            PARKING LOT.

0738 PM     TSTM WND DMG     AVON                    33.23N 91.05W
02/24/2011                   WASHINGTON         MS   EMERGENCY MNGR

            CARPORT BLOWN OFF OF A MOBILE HOME AND ONTO TWO NEARBY
            PARKED CARS

&&

AEG
Local storm report, Feb 24, 10:41 PM CST, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1041 PM CST THU FEB 24 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0944 PM     TSTM WND DMG     3 SW STARKVILLE         33.43N 88.86W
02/24/2011                   OKTIBBEHA          MS   PUBLIC

            A FEW TREES DOWN AND A FENCE BLOWN DOWN.

&&

CME
Local storm report, Feb 24, 10:43 PM CST, 5 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1043 PM CST THU FEB 24 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0655 PM     TSTM WND DMG     5 N BASTROP             32.85N 91.91W
02/24/2011                   MOREHOUSE          LA   LAW ENFORCEMENT

            TREES WERE DOWNED IN THE NORTHWESTERN PORTION OF THE
            PARISH.

0700 PM     TSTM WND DMG     DERMOTT                 33.53N 91.44W
02/24/2011                   CHICOT             AR   EMERGENCY MNGR

            2 TREES WERE BLOWN DOWN ON POWER LINES IN DERMOTT.

0700 PM     TSTM WND DMG     6 N BASTROP             32.86N 91.91W
02/24/2011                   MOREHOUSE          LA   EMERGENCY MNGR

            SEVERAL TREES DOWNED ALONG BONNER FERRY RD NEAR BUSSY
            LAKE. MUCH OF THE CITY OF BASTROP IS WITHOUT POWER.

0712 PM     TSTM WND DMG     WILMOT                  33.06N 91.57W
02/24/2011                   ASHLEY             AR   LAW ENFORCEMENT

            3 TREES DOWN...CARS BLOWN OFF ROADS AND POWER OUTAGES IN
            WILMOT. POWER OUTAGES ALSO IN PORTLAND.

0720 PM     TSTM WND GST     CHICOT JUNCTION         33.20N 91.26W
02/24/2011  E65.00 MPH       CHICOT             AR   EMERGENCY MNGR

            WIND GUSTS OF 60-70 MPH

0727 PM     TSTM WND DMG     6 SSW GREENVILLE        33.31N 91.09W
02/24/2011                   WASHINGTON         MS   EMERGENCY MNGR

            PART OF THE ROOF BLOWN OFF A CASINO NEAR THE MISSISSIPPI
            RIVER BRIDGES. SEVERAL LIGHT POLES ALSO BLOWN DOWN IN THE
            PARKING LOT.

0730 PM     TSTM WND DMG     EUDORA                  33.12N 91.26W
02/24/2011                   CHICOT             AR   EMERGENCY MNGR

            POWER LINES DOWN ACROSS A CAR. POWER OUTAGES IN
            EUDORA...NORTH OF LAKE VILLAGE AND IN DERMOTT LIKELY DUE
            TO STRONG WINDS.

0730 PM     TSTM WND DMG     CLEVELAND               33.74N 90.73W
02/24/2011                   BOLIVAR            MS   EMERGENCY MNGR

            TREES DOWNED...SOME BLOCKING ROADS...AND ROOFS DAMAGED IN
            THE CITY OF CLEVELAND

0730 PM     TSTM WND DMG     EUDORA                  33.12N 91.26W
02/24/2011                   CHICOT             AR   LAW ENFORCEMENT

            TREES AND POWER LINES WERE DOWNED IN THE CITY

0730 PM     TSTM WND DMG     OAK GROVE               32.86N 91.39W
02/24/2011                   WEST CARROLL       LA   LAW ENFORCEMENT

            POWER OUTAGES REPORTED IN OAK GROVE AND KILBOURNE. LIKELY
            FROM DAMAGING WINDS.

0730 PM     TSTM WND DMG     KILBOURNE               33.00N 91.31W
02/24/2011                   WEST CARROLL       LA   EMERGENCY MNGR

            TREES WERE DOWNED AND A DOUBLE WIDE TRAILOR WAS HEAVILY
            DAMAGED NORTH OF KILBOURNE. UPDATED...5 HOMES WERE
            DAMAGED AND A CHURCH ROOF WAS DAMAGED ALONG HIGHWAY
            585...NEAR THE ARKANSAS STATE LINE.

0730 PM     TSTM WND DMG     EUDORA                  33.12N 91.26W
02/24/2011                   CHICOT             AR   EMERGENCY MNGR

            2 TREES BLOWN DOWN ON HOUSES IN EUDORA. A CAR GOT
            ENTANGLED IN POWER LINES AND THE DRIVER WAS TRAPPED
            INSIDE THE VEHICLE.

0738 PM     TSTM WND DMG     AVON                    33.23N 91.05W
02/24/2011                   WASHINGTON         MS   EMERGENCY MNGR

            CARPORT BLOWN OFF OF A MOBILE HOME AND ONTO TWO NEARBY
            PARKED CARS

0750 PM     TSTM WND DMG     HOLLANDALE              33.17N 90.85W
02/24/2011                   WASHINGTON         MS   EMERGENCY MNGR

            TREES AND POWER LINES KNOCKED DOWN

0750 PM     TSTM WND DMG     INDIANOLA               33.45N 90.64W
02/24/2011                   SUNFLOWER          MS   LAW ENFORCEMENT

            TREES AND POWER POLES DOWN.

0750 PM     TSTM WND DMG     GRACE                   33.00N 90.96W
02/24/2011                   ISSAQUENA          MS   EMERGENCY MNGR

            TREE LIMBS DOWN AND TIN ROOFS OFF SOME STRUCTURES

0750 PM     NON-TSTM WND DMG ACKERMAN                33.31N 89.17W
02/24/2011                   CHOCTAW            MS   TRAINED SPOTTER

            A COUPLE TREES WERE DOWNED IN CHOCTAW COUNTY DUE TO
            GRADIENT WINDS

0800 PM     TSTM WND DMG     NITTA YUMA              33.02N 90.85W
02/24/2011                   SHARKEY            MS   LAW ENFORCEMENT

            TREES WERE DOWNED AROUND NITTA YUMA

0815 PM     TSTM WND DMG     GREENWOOD               33.52N 90.19W
02/24/2011                   LEFLORE            MS   EMERGENCY MNGR

            POWER OUTAGE REPORTED IN GREENWOOD. LIKELY FROM DAMAGING
            WINDS.

0815 PM     TSTM WND DMG     4 W GREENWOOD           33.53N 90.27W
02/24/2011                   LEFLORE            MS   EMERGENCY MNGR

            TWO TREES WERE DOWNED BETWEEN GREENWOOD AND ITTA BENA

0815 PM     TSTM WND DMG     ITTA BENA               33.50N 90.32W
02/24/2011                   LEFLORE            MS   EMERGENCY MNGR

            TWO HOMES WERE DAMAGED IN ITTA BENA...ONE SUSTAINED ROOF
            DAMAGE...AND THE OTHER SUSTAINED WINDOW DAMAGE.

0815 PM     TSTM WND DMG     1 SW BELZONI            33.17N 90.50W
02/24/2011                   HUMPHREYS          MS   LAW ENFORCEMENT

            TREES AND POWER LINES WERE DOWNED ALONG PLUCK RD

0816 PM     TSTM WND DMG     GREENWOOD               33.52N 90.19W
02/24/2011                   LEFLORE            MS   EMERGENCY MNGR

            TREES DOWN

0820 PM     TSTM WND DMG     MONEY                   33.65N 90.21W
02/24/2011                   LEFLORE            MS   EMERGENCY MNGR

            TREES WERE BLOWN DOWN IN THE NORTHERN PART OF THE COUNTY.
            A LARGE TREE WAS DOWNED ACROSS A ROAD IN MONEY.

0820 PM     TSTM WND DMG     GREENWOOD               33.52N 90.19W
02/24/2011                   LEFLORE            MS   EMERGENCY MNGR

            A LARGE FENCE WAS BLOWN DOWN AT AN INDUSTRIAL PARK NEAR
            GREENWOOD

0830 PM     TSTM WND GST     4 N GRENADA             33.83N 89.80W
02/24/2011  M59.00 MPH       GRENADA            MS   AWOS

            RECORDED AT GRENADA MUNICIPAL AIRPORT

0830 PM     TSTM WND DMG     GRENADA                 33.78N 89.81W
02/24/2011                   GRENADA            MS   EMERGENCY MNGR

            SEVERAL TREES DOWN IN MULTIPLE LOCATIONS

0835 PM     TSTM WND DMG     CARROLLTON              33.50N 89.92W
02/24/2011                   CARROLL            MS   LAW ENFORCEMENT

            NUMEROUS TREES DOWN AROUND CARROLLTON...SOME TREES
            BLOCKING ROADS

0840 PM     TSTM WND DMG     YAZOO CITY              32.86N 90.41W
02/24/2011                   YAZOO              MS   EMERGENCY MNGR

            SEVERAL TREES AND POWER LINES DOWNED ACROSS YAZOO COUNTY.
            SOME TREES WERE BLOCKING ROADWAYS. SOME MINOR TREE FIRES
            WERE REPORTED AS A RESULT OF DAMAGED UTILITY LINES.
            SEVERAL POWER OUTAGES ACROSS THE AREA.

0850 PM     TSTM WND DMG     LEXINGTON               33.12N 90.05W
02/24/2011                   HOLMES             MS   LAW ENFORCEMENT

            TREES WERE REPORTED DOWN IN THE CITY OF
            LEXINGTON...INCLUDING ONE TREE BLOCKING HIGHWAY 17 N

0900 PM     TSTM WND DMG     KILMICHAEL              33.44N 89.57W
02/24/2011                   MONTGOMERY         MS   EMERGENCY MNGR

            TREES AND POWER LINES WERE DOWNED ACROSS ALL OF
            MONTGOMERY COUNTY

0910 PM     TSTM WND DMG     WALTHALL                33.61N 89.28W
02/24/2011                   WEBSTER            MS   EMERGENCY MNGR

            TREES WERE DOWNED ACROSS WEBSTER COUNTY. ONE TREE FELL
            ACROSS HIGHWAY 9 NEAR WALTHALL...AND A CAR ACCIDENT
            RESULTED. NUMEROUS POWER OUTAGES COUNTYWIDE.

0920 PM     TSTM WND DMG     KOSCIUSKO               33.06N 89.59W
02/24/2011                   ATTALA             MS   LAW ENFORCEMENT

            A FEW TREES WERE DOWNED ACROSS ATTALA COUNTY.

0930 PM     TSTM WND DMG     ACKERMAN                33.31N 89.17W
02/24/2011                   CHOCTAW            MS   EMERGENCY MNGR

            TREES WERE DOWNED ALONG HIGHWAY 407...HIGHWAY 790...AND
            HIGHWAY 9 ACROSS CHOCTAW COUNTY.

0930 PM     TSTM WND DMG     ACKERMAN                33.31N 89.17W
02/24/2011                   CHOCTAW            MS   EMERGENCY MNGR

            TREES DOWN ACROSS PARTS OF CHOCTAW COUNTY

0935 PM     TSTM WND DMG     12 NW CARTHAGE          32.87N 89.68W
02/24/2011                   LEAKE              MS   EMERGENCY MNGR

            TREES DOWN IN NORTHWESTERN AND WESTERN LEAKE COUNTY

0944 PM     TSTM WND DMG     3 SW STARKVILLE         33.43N 88.86W
02/24/2011                   OKTIBBEHA          MS   PUBLIC

            A FEW TREES DOWN AND A FENCE BLOWN DOWN.

0948 PM     TSTM WND GST     1 NNW FLOWOOD           32.33N 90.11W
02/24/2011  M55.00 MPH       RANKIN             MS   BROADCAST MEDIA

            NEAR INTERSECTION OF SPILLWAY ROAD AND OLD FANNIN ROAD

0955 PM     TSTM WND DMG     BRANDON                 32.28N 90.00W
02/24/2011                   RANKIN             MS   EMERGENCY MNGR

            TREES AND POWERLINES DOWN ON JASPER STREET

&&

CME

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:56 PM CSTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington64 min
Feb 24, 7:27 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey63 min
Feb 24, 7:40 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Holmes, Humphreys, Leflore, Sunflower and 1 more65 min
Feb 24, 7:40 PM CSTTornado WarningJANIssaquena, Sharkey, Washington40 min
Feb 24, 8:06 PM CSTTornado WarningJANHolmes, Humphreys, Yazoo39 min
Feb 24, 8:09 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey, Warren, Yazoo66 min
Feb 24, 8:22 PM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Holmes, Montgomery38 min
Feb 24, 8:42 PM CSTSevere Thunderstorm WarningJANAttala, Holmes, Yazoo63 min
Feb 24, 8:54 PM CSTSevere Thunderstorm WarningJANCarroll, Choctaw, Clay, Montgomery, Oktibbeha, Webster and 1 more66 min
Feb 24, 9:00 PM CSTSevere Thunderstorm WarningJANLeake, Madison75 min
Feb 24, 9:08 PM CSTTornado WarningJANAttala, Choctaw, Winston30 min
Feb 24, 9:42 PM CSTSevere Thunderstorm WarningJANHinds, Madison, Rankin, Scott33 min
Feb 24, 9:45 PM CSTSevere Thunderstorm WarningJANClay, Lowndes, Noxubee, Oktibbeha, Winston75 min
Feb 24, 9:53 PM CSTSevere Thunderstorm WarningJANKemper, Neshoba, Newton, Scott67 min
Feb 24, 10:40 PM CSTSevere Thunderstorm WarningJANKemper, Lauderdale, Newton, Scott65 min
Feb 24, 11:31 PM CSTSevere Thunderstorm WarningJANClarke, Lauderdale43 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.