Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

January 23, 2012Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this special weather statement at Jan 23, 2012, 5:22 AM CST for Lamar County, Marion County, Mississippi. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 23, 2012, 5:22 AM CST (11:22 UTC)
Expired: Jan 23, 2012, 5:40 AM CST
In force: 18 min
Issued by: NWS Jackson, MS

Counties Lamar County, MS, Marion County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.4 hours before the alert went out and 128 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 318 m²/s²
0-3 km storm-relative helicity: 362 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jan 23, 4:23 AM CST, 59 minutes earlier.

Area forecast discussion, Jan 23, 4:23 AM CST, 59 minutes before

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Hazardous weather outlook, Jan 22, 1:13 PM CST, 16 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
113 PM CST SUN JAN 22 2012

ARZ074-075-LAZ007>009-015-016-MSZ018-019-025>058-065-066-231915-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-
WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-
HOLMES-ATTALA-WINSTON-NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-
LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-
CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-COVINGTON-JONES-
113 PM CST SUN JAN 22 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PORTION OF CENTRAL
MISSISSIPPI...SOME OF NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST
ARKANSAS.

.DAY ONE...TONIGHT AND MONDAY

A SIGNIFICANT EPISODE OF SEVERE STORMS IS EXPECTED TONIGHT AS A
POWERFUL SYSTEM MOVES OUT OF THE SOUTHERN PLAINS. SUFFICIENT LEVELS
OF INSTABILITY WILL BUILD OVER THE REGION THIS AFTERNOON AND EVENING
AND COMBINE WITH VERY STRONG WIND SHEAR TO SUPPORT SUPERCELL STORMS
AND EVEN A BROKEN LINE OF STORMS. LOCATIONS NORTH OF A RAYVILLE TO
HAZLEHURST TO LAUREL LINE HAVE THE GREATEST RISK FOR SEVERE WEATHER.
THE MAIN THREATS WILL BE TORNADOES...SOME STRONG...DAMAGING WINDS OF
60 TO 80 MPH AND HAIL UP TO GOLF BALL SIZE. STORMS WILL DEVELOP TO
OUR WEST BY 6 PM...THEN STEADILY EVOLVE ACROSS OUR REGION DURING THE
EVENING AND PRE DAWN HOURS. LOCATIONS ALONG AND WEST OF A PORT GIBSON
TO GRENADA LINE WILL SEE STORMS BETWEEN 7 AND 11 PM. LOCATIONS EAST
OF THAT LINE WILL HAVE ACTIVITY OCCUR BETWEEN 10 PM AND 4 AM.
EVERYONE IS URGED TO CONTINUE TO MONITOR UPDATES AND OUTLOOKS
CONCERNING THIS POTENTIAL SIGNIFICANT WEATHER EVENT.

.DAYS TWO THROUGH SEVEN...MONDAY NIGHT THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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 TONIGHT.

LAZ023>026-MSZ059>064-072>074-231915-
FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-JEFFERSON-ADAMS-
FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-MARION-LAMAR-FORREST-
113 PM CST SUN JAN 22 2012

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

.DAY ONE...TONIGHT AND MONDAY

A CHANCE OF STRONG AND SEVERE THUNDERSTORMS WILL EXIST TONIGHT INTO
THE PRE DAWN HOURS MONDAY. A POWERFUL SYSTEM WILL MOVE OUT OF THE
SOUTHERN PLAINS TONIGHT AND COMBINE WITH SUFFICIENT LEVELS OF
INSTABILITY AND VERY STRONG WIND SHEAR. THIS WILL SUPPORT A FEW
SUPERCELL STORMS AND EVEN A BROKEN LINE OF STORMS.
TORNADOES...DAMAGING WINDS AND HAIL ALL BE POSSIBLE WITH THE
STRONGEST ACTIVITY. LOCATIONS WEST OF I-55 WILL SEE ACTIVITY BETWEEN
7 PM AND MIDNIGHT...AREAS EAST OF THAT WILL SEE ACTIVITY BETWEEN
MIDNIGHT AND 4 AM.

.DAYS TWO THROUGH SEVEN...MONDAY NIGHT THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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 TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN.

CME

In the hours before

Special weather statement, Jan 23, 3:24 AM CST, 1 hour 58 minutes before

MSZ056-230955-
SMITH MS-
324 AM CST MON JAN 23 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
324 AM CST MON JAN 23 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED 5 MILES SOUTHEAST OF WHITE OAK AT 324
AM CST...MOVING EAST AT 45 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN SMITH COUNTY SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3185 8966 3204 8966 3204 8973 3208 8973
      3222 8933 3192 8932
TIME...MOT...LOC 0924Z 250DEG 41KT 3202 8961

JA

Local storm report, Jan 23, 3:50 AM CST, 1 hour 32 minutes before

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Special weather statement, Jan 23, 4:27 AM CST, 55 minutes before

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Local storm report, Jan 23, 5:04 AM CST, 18 minutes before

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Special weather statement, Jan 23, 5:16 AM CST, 6 minutes before

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Special weather statement, Jan 23, 5:22 AM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 10:06 PM CST	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower	39 min
Jan 22, 10:36 PM CST	Severe Thunderstorm Warning	JAN	Bolivar, Washington	54 min
Jan 22, 10:41 PM CST	Special Weather Statement	JAN	Webster	44 min
Jan 22, 10:57 PM CST	Severe Thunderstorm Warning	JAN	Clay, Webster	26 min
Jan 22, 11:17 PM CST	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower	28 min
Jan 22, 11:25 PM CST	Special Weather Statement	JAN	Clay	30 min
Jan 22, 11:32 PM CST	Special Weather Statement	JAN	Leake	28 min
Jan 22, 11:36 PM CST	Special Weather Statement	JAN	Copiah	29 min
Jan 22, 11:42 PM CST	Special Weather Statement	JAN	Webster	28 min
Jan 22, 11:47 PM CST	Severe Thunderstorm Warning	JAN	Webster	26 min
Jan 22, 11:49 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Simpson	41 min
Jan 22, 11:54 PM CST	Tornado Warning	JAN	Copiah, Simpson	36 min
Jan 22, 11:59 PM CST	Severe Thunderstorm Warning	JAN	Rankin, Scott	61 min
Jan 23, 12:15 AM CST	Special Weather Statement	JAN	Leflore	30 min
Jan 23, 12:27 AM CST	Tornado Warning	JAN	Rankin, Scott, Smith	48 min
Jan 23, 12:39 AM CST	Special Weather Statement	JAN	Grenada	31 min
Jan 23, 12:39 AM CST	Severe Thunderstorm Warning	JAN	Neshoba, Newton, Scott	51 min
Jan 23, 12:44 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Neshoba, Noxubee, Winston	61 min
Jan 23, 12:48 AM CST	Severe Thunderstorm Warning	JAN	Grenada, Leflore	42 min
Jan 23, 12:56 AM CST	Tornado Warning	JAN	Neshoba, Newton, Scott	49 min
Jan 23, 12:58 AM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Yazoo	33 min
Jan 23, 1:19 AM CST	Severe Thunderstorm Warning	JAN	Lowndes	35 min
Jan 23, 1:32 AM CST	Tornado Warning	JAN	Kemper, Noxubee	58 min
Jan 23, 1:34 AM CST	Special Weather Statement	JAN	Rankin	31 min
Jan 23, 1:44 AM CST	Severe Thunderstorm Warning	JAN	Noxubee	31 min
Jan 23, 1:50 AM CST	Special Weather Statement	JAN	Newton	30 min
Jan 23, 2:05 AM CST	Tornado Warning	JAN	Noxubee	12 min
Jan 23, 2:10 AM CST	Severe Thunderstorm Warning	JAN	Lauderdale, Newton	65 min
Jan 23, 2:14 AM CST	Tornado Warning	JAN	Kemper, Lauderdale, Newton	61 min
Jan 23, 2:30 AM CST	Special Weather Statement	JAN	Scott	30 min
Jan 23, 2:35 AM CST	Special Weather Statement	JAN	Lowndes	40 min
Jan 23, 2:41 AM CST	Special Weather Statement	JAN	Simpson	39 min
Jan 23, 2:54 AM CST	Severe Thunderstorm Warning	JAN	Simpson	51 min
Jan 23, 2:57 AM CST	Special Weather Statement	JAN	Clarke, Jasper	33 min
Jan 23, 3:02 AM CST	Tornado Warning	JAN	Jasper	13 min
Jan 23, 3:11 AM CST	Tornado Warning	JAN	Clarke	49 min
Jan 23, 3:24 AM CST	Special Weather Statement	JAN	Smith	31 min
Jan 23, 3:31 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	44 min
Jan 23, 3:44 AM CST	Tornado Warning	JAN	Lauderdale	16 min
Jan 23, 4:27 AM CST	Special Weather Statement	JAN	Clarke, Covington, Jasper, Jones, Lamar, Lauderdale and 1 more	58 min
Jan 23, 5:16 AM CST	Special Weather Statement	JAN	Forrest	19 min
Jan 23, 5:46 AM CST	Special Weather Statement	JAN	Lamar	19 min
Jan 23, 6:40 AM CST	Special Weather Statement	JAN	Forrest	15 min
Jan 22, 9:53 PM CST	Severe Thunderstorm Warning	JAN	Ashley	52 min
Jan 22, 10:27 PM CST	Special Weather Statement	JAN	Chicot	28 min

Nearby

Special Weather Statements in Mississippi, 2012 Every special weather statement in 2012

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.