Alert archive / Mississippi / Special Weather Statements in 2011

Special Weather Statement, NWS Jackson, MS

November 26, 2011Scott County, Mississippi

NWS Jackson, MS issued this special weather statement at Nov 26, 2011, 10:55 PM CST for Scott County, Mississippi. It was in force for 30 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
Nov 26, 2011, 10:55 PM CST (04:55 UTC)
Expired
Nov 26, 2011, 11:25 PM CST
In force
30 min
Issued by
NWS Jackson, MS

County Scott County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 60 km from the middle of the area, began a volume at 04:54 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, 4.9 hours before the alert went out and 69 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 2011-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 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 2011-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 344 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
185 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
344 m²/s²
0-3 km storm-relative helicity
340 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

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 Nov 26, 8:45 PM CST, 2 hours 10 minutes earlier.

Area forecast discussion, Nov 26, 8:45 PM CST, 2 hours 10 minutes before
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Hazardous weather outlook, Nov 26, 2:05 PM CST, 8 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
205 PM CST SAT NOV 26 2011

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-027-034>037-
040>044-047>066-072>074-271600-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-
SUNFLOWER-LEFLORE-CARROLL-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-
ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-WARREN-HINDS-RANKIN-
SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-
CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON
DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
205 PM CST SAT NOV 26 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ARKANSAS...NORTHEAST
LOUISIANA...AND MUCH OF CENTRAL AND SOUTHERN MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT
A BAND OF STRONG TO ISOLATED SEVERE THUNDERSTORMS WILL MOVE ACROSS
THE REGION LATE THIS AFTERNOON AND TONIGHT AHEAD OF A SLOW MOVING
COLD FRONT. WIND GUSTS TO 60 MPH WILL BE THE MAIN SEVERE WEATHER
THREAT...BUT A TORNADO COULD ALSO BE POSSIBLE. THE MAIN BAND OF
THUNDERSTORMS IS EXPECTED TO AFFECT AREAS ALONG AND WEST OF THE
MISSISSIPPI RIVER BETWEEN 3 AND 7 PM...BE ALONG THE INTERSTATE 55
CORRIDOR BETWEEN 8 AND 11 PM...AND BE OVER EASTERN MISSISSIPPI
BETWEEN 11 PM AND 4 AM.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
THE PROBABILITY OF 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...COULD BE NEEDED THIS AFTERNOON AND TONIGHT.

MSZ026-028>033-038-039-045-046-271600-
GRENADA-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WINSTON-
NOXUBEE-NESHOBA-KEMPER-
205 PM CST SAT NOV 26 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTH CENTRAL AND
NORTHEAST MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT
A BAND OF STRONG THUNDERSTORMS WILL LIKELY MOVE ACROSS THE REGION
TONIGHT AHEAD OF A SLOW MOVING COLD FRONT. WIND GUSTS TO 50 MPH WILL
BE POSSIBLE. THE MAIN BAND OF THUNDERSTORMS IS EXPECTED TO AFFECT
AREAS ALONG THE INTERSTATE 55 CORRIDOR BETWEEN 8 AND 11 PM...AND BE
OVER EASTERN MISSISSIPPI BETWEEN 11 PM AND 4 AM.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS...SHOULD NOT BE NEEDED THROUGH FRIDAY.

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

08

In the hours before

Special weather statement, Nov 26, 6:15 PM CST, 4 hours 40 minutes before
MSZ040-042-047-270045-
WARREN MS-ISSAQUENA MS-YAZOO MS-
615 PM CST SAT NOV 26 2011

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
615 PM CST SAT NOV 26 2011

A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS
LOCATED 3 MILES NORTHWEST OF OAK RIDGE AT 615 PM CST...MOVING
NORTHEAST AT 40 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN SOUTHWESTERN YAZOO...SOUTHEASTERN ISSAQUENA AND
NORTHEASTERN WARREN COUNTIES SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3268 9070 3268 9069 3266 9068 3269 9066
      3270 9068 3281 9055 3267 9037 3242 9071
      3255 9086
TIME...MOT...LOC 0015Z 226DEG 33KT 3255 9070

JA
Special weather statement, Nov 26, 6:35 PM CST, 4 hours 20 minutes before
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Special weather statement, Nov 26, 7:05 PM CST, 3 hours 50 minutes before
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Special weather statement, Nov 26, 8:09 PM CST, 2 hours 46 minutes before
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Special weather statement, Nov 26, 9:53 PM CST, 1 hour 2 minutes before
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Special weather statement, Nov 26, 10:55 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Nov 26, 6:15 PM CSTSpecial Weather StatementJANYazoo30 min
Nov 26, 6:22 PM CSTSevere Thunderstorm WarningJANHinds, Madison, Warren, Yazoo53 min
Nov 26, 6:35 PM CSTSpecial Weather StatementJANFranklin, Jefferson30 min
Nov 26, 7:05 PM CSTSpecial Weather StatementJANFranklin30 min
Nov 26, 8:09 PM CSTSpecial Weather StatementJANCopiah, Hinds31 min
Nov 26, 9:53 PM CSTSpecial Weather StatementJANSimpson32 min

Nearby

Special Weather Statements in Mississippi, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.