Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

June 15, 2012Claiborne County, Mississippi

NWS Jackson, MS issued this special weather statement at Jun 15, 2012, 4:36 PM CDT for Claiborne County, Mississippi. It was in force for 29 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
Jun 15, 2012, 4:36 PM CDT (21:36 UTC)
Expired
Jun 15, 2012, 5:05 PM CDT
In force
29 min
Issued by
NWS Jackson, MS

County Claiborne County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 100 km from the middle of the area, began a volume at 21:36 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 12:00Z, 9.6 hours before the alert went out and 92 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 12:00Z on 2012-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1018 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 12:00Z on 2012-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939Sfc1 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
1018 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 15, 3:22 PM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jun 15, 3:22 PM CDT, 1 hour 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
322 PM CDT FRI JUN 15 2012

.SHORT TERM...TONIGHT THROUGH SUNDAY NIGHT...THE THUNDERSTORM
ACTIVITY SHOULD DISSIPATE BY SUNSET OR SOON THERE AFTER THIS EVENING
..LEAVING MOSTLY CLEAR SKIES FOR THE AREA OVERNIGHT. UPPER AND
SURFACE HIGH PRESSURE RIDGING WILL STRENGTHEN ON SATURDAY...BUT PWATS
WILL STILL REMAIN AROUND 1.5-1.6 INCHES SATURDAY AFTERNOON MAINLY FOR
AREAS ALONG AND WEST OF I-55. THE GFS IS NOT INDICATION THE
DEVELOPMENT OF ANY CONVECTION ON SATURDAY...BUT AFTER LOOKING AT THE
LOCAL AND NCEP WRF HI-RES MODELS...EXPECT THERE TO BE AT LEAST ISOLATED
DEVELOPMENT ALONG AND WEST OF I-55 IN THE AFTERNOON BEFORE MUCH DRIER
AIR BUILDS IN DURING THE LATE AFTERNOON AND EVENING. EXPECT ANY STORMS
THAT DO DEVELOP TO REMAIN BELOW SEVERE LIMITS...BUT AN ISOLATED
STRONG STORM CANNOT BE RULED OUT.

DRIER AIR WILL CONTINUE TO ROTATE AROUND THE RIDGE ON SUNDAY WITH
PWATS FALLING TO AROUND AN INCH OVER MOST OF THE AREA...EXCEPT FOR
THE SOUTH WERE PWATS WILL REMAIN AROUND 1.5 INCHES. EXPECT ISOLATED
CONVECTION MAINLY FOR AREAS ALONG AND SOUTH OF THE HWY 84 CORRIDOR
SUNDAY AFTERNOON. STUCK PRETTY CLOSE TO GUIDANCE THROUGH THE
PERIOD...BUT DID RAISE POPS SLIGHTLY ON SATURDAY TO INDICATE ISOLATED
STORMS ALONG AND WEST OF I-55. DID NOT MAKE ANY CHANGES PAST SUNDAY
NIGHT...SO WILL ATTACH THE PREVIOUS LONG TERM BELOW. /15/

.LONG TERM...A DRY VARIANT OF A TYPICAL SUMMERTIME PATTERN FOR THE LOWER
MISSISSIPPI VALLEY REGION WILL TAKE HOLD AT THE START OF NEXT
WEEK...PROBABLY LASTING THROUGH MOST OF NEXT WORK WEEK.

ALOFT THE TURBULENT WESTERLIES WILL BE WELL NORTH OF THE AREA WHILE
WEAK SUGGESTIONS OF A TROUGH TO OUR WEST BRING BETTER CHANCES OF
INCLEMENT WEATHER IN PLACES THAT GENERALLY NEED IT MORE THAN HERE.
UPPER LEVEL RIDGING WILL BUILD INITIALLY ATOP OUR AREA ON SUNDAY AND
MONDAY...BUT THEN WILL REALLY BECOME A HOT FORCE TO OUR NORTH AS THE
ANOMALY CENTER BLOSSOMS OVER THE OHIO VALLEY AND CENTRAL
APPALACHIANS. IN OUR NECK-OF-THE-WOODS...THE GULF WILL REMAIN QUITE
MOIST BUT PERSISTENT SOUTHEAST LOW LEVEL FLOW VECTORS WILL KEEP BEST
MOISTURE SHUNTED WESTWARD INTO TEXAS AND THE SOUTHERN PLAINS.
CONSIDERING THAT AND THE AFOREMENTIONED UPPER LEVEL WEAKNESS IT
COULD BE RATHER WET FOR MANY OUT IN THE THAT DIRECTION NEXT
WEEK...BUT REALLY ONLY OUR SOUTHERN AND SOUTHWESTERN AREAS HAVE THE
ONLY DECENT CUMULATIVE SHOT AT A STRAY AFTERNOON SHOWER OR STORM.
FORTUNATELY...WITH SUBSIDENCE FROM RIDGING ALOFT NOT TOO STRONG OVER
THE ARKLAMISS AND FLOW FROM THE SOUTHEAST...TEMPERATURES FROM THE
RESULTING REGIME SHOULD BE ONLY SLIGHTLY ABOVE SEASONAL AVERAGES AT
WORST.

MODEL CONSENSUS STILL HINTS BROADLY AT SOME SORT OF LOW PRESSURE
DEVELOPMENT IN THE GULF LATER NEXT WEEK...WHICH IS QUITE CONCEIVABLE
CONSIDERING TEMPORARILY FAVORABLE MJO PHASING. WITH THAT LOOSELY IN
MIND...ALONG WITH MODEL CONSENSUS SUGGESTIONS OF AN INCOMING TROUGH
OR WEAK FRONT...RAIN CHANCES WILL PROBABLY BE GOING UP AGAIN BY THE
END OF NEXT WEEK. /BB/

&&

.AVIATION...A FEW TSTMS HAVE DEVELOPED OVER CENTRAL MS AND ISOLATED
TSTMS WILL BE POSSIBLE THIS AFTN AND EARLY EVNG GENERALLY ALONG AND
SOUTH OF I-20. ELSE...VFR CONDITIONS WERE BEING OBSERVED AT ALL TAF
SITES AND WILL PREVAIL AREAWIDE THROUGH SATURDAY. HOWEVER...PATCHY
AREAS OF LATE NIGHT/EARLY MORNING FOG WILL BRING BRIEF MVFR
RESTRICTIONS AGAIN SATURDAY. DRIER AIR MOVING INTO THE AREA SATURDAY
WILL PRECLUDE TSTM CHANCES AT THE TAF SITES THEN. /22/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       67  90  65  91 /  19  10   8   5
MERIDIAN      64  90  62  90 /  18   7   9   4
VICKSBURG     66  90  63  90 /  19  13   5   5
HATTIESBURG   68  90  64  90 /  22   7  14   4
NATCHEZ       68  88  66  88 /  20  16   7   7
GREENVILLE    69  91  67  91 /  12  11   8   5
GREENWOOD     67  90  65  92 /  13  10   6   5

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...NONE.
LA...NONE.
AR...NONE.
&&

15/22
Hazardous weather outlook, Jun 15, 1:32 PM CDT, 3 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
132 PM CDT FRI JUN 15 2012

LAZ007>009-015-016-023>026-MSZ040>066-072>074-161845-
MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-MADISON LA-
FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-ISSAQUENA-SHARKEY-YAZOO-
MADISON MS-LEAKE-NESHOBA-KEMPER-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-
132 PM CDT FRI JUN 15 2012

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

.DAY ONE...TONIGHT AND SATURDAY

A FEW STRONG STORMS CAPABLE OF PRODUCING DIME SIZE HAIL AND GUSTY
WINDS TO 40 MPH WILL BE POSSIBLE THIS AFTERNOON AND EARLY EVENING. AN
UPPER LEVEL DISTURBANCE AND STALLED FRONTAL BOUNDARY WILL COMBINE
WITH DAYTIME HEATING AND A MOIST AND UNSTABLE AIR MASS TO BRING
STORMS AND THE POTENTIAL FOR STRONG STORMS. HEAVY RAINFALL WILL ALSO
BE POSSIBLE AS STORMS WILL BE SLOW MOVING. THE STORMS WILL DISSIPATE
WHEN THE AIR BEGINS TO COOL AND STABILIZE AFTER SUNSET.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

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 IS NOT EXPECTED THROUGH NEXT THURSDAY.

ARZ074-075-MSZ018-019-025>039-161845-
ASHLEY-CHICOT-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-
MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WASHINGTON-
HUMPHREYS-HOLMES-ATTALA-WINSTON-NOXUBEE-
132 PM CDT FRI JUN 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MISSISSIPPI AND EXTREME SOUTHEAST ARKANSAS.

.DAY ONE...TONIGHT AND SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

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 IS NOT EXPECTED THROUGH NEXT THURSDAY.

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

22

In the hours before

Local storm report, Jun 15, 2:22 PM CDT, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
222 PM CDT FRI JUN 15 2012

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

0215 PM     HAIL             5 NE FLOWOOD            32.37N 90.05W
06/15/2012  E0.25 INCH       RANKIN             MS   NWS EMPLOYEE

            PEA SIZED HAIL REPORTED FIVE MILES SOUTHWEST OF OLD FANIN
            ROAD.

&&

MME
Special weather statement, Jun 15, 2:35 PM CDT, 2 hours 1 minute before
MSZ048-049-152035-
RANKIN MS-HINDS MS-
235 PM CDT FRI JUN 15 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
235 PM CDT FRI JUN 15 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED OVER FLOWOOD AT 236 PM CDT...MOVING
WEST AT 15 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN CENTRAL HINDS AND WEST CENTRAL RANKIN COUNTIES SHOULD
MONITOR THIS STORM CLOSELY.

LAT...LON 3244 9048 3242 9024 3240 9024 3240 9006
      3222 9005 3212 9046
TIME...MOT...LOC 1936Z 085DEG 14KT 3231 9013

MME
Special weather statement, Jun 15, 3:37 PM CDT, 59 minutes before
MSZ047-152110-
WARREN MS-
337 PM CDT FRI JUN 15 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
337 PM CDT FRI JUN 15 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED 7 MILES SOUTH OF BOVINA AT 338 PM
CDT...MOVING NORTHWEST AT 10 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN CENTRAL WARREN COUNTY SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3243 9079 3233 9070 3230 9070 3228 9072
      3225 9072 3221 9074 3218 9079 3216 9077
      3215 9077 3215 9079 3226 9094
TIME...MOT...LOC 2038Z 132DEG 8KT 3226 9077

JC
Special weather statement, Jun 15, 4:29 PM CDT, 7 minutes before
LAZ016-025-152200-
TENSAS LA-MADISON LA-
429 PM CDT FRI JUN 15 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
429 PM CDT FRI JUN 15 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED 8 MILES EAST OF AFTON AT 429 PM CDT...
MOVING WEST AT 10 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN CENTRAL MADISON AND NORTHEASTERN TENSAS PARISHES SHOULD
MONITOR THIS STORM CLOSELY.

LAT...LON 3240 9131 3236 9102 3224 9102 3224 9104
      3222 9106 3223 9109 3221 9111 3221 9114
      3220 9117 3218 9132
TIME...MOT...LOC 2129Z 092DEG 10KT 3228 9108

JC
Special weather statement, Jun 15, 4:36 PM CDT, 0 minutes before
MSZ047-053-152205-
WARREN MS-CLAIBORNE MS-
436 PM CDT FRI JUN 15 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
436 PM CDT FRI JUN 15 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED OVER ROCKY SPRINGS AT 436 PM CDT...
MOVING WEST AT 20 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN NORTHERN CLAIBORNE AND SOUTH CENTRAL WARREN COUNTIES SHOULD
MONITOR THIS STORM CLOSELY.

LAT...LON 3199 9111 3201 9108 3205 9110 3214 9101
      3216 9101 3217 9104 3212 9106 3214 9109
      3218 9108 3217 9106 3218 9104 3214 9072
      3196 9072 3196 9111
TIME...MOT...LOC 2136Z 093DEG 15KT 3206 9082

JC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:35 PM CDTSpecial Weather StatementJANHinds60 min
Jun 15, 2:53 PM CDTSevere Thunderstorm WarningJANHinds, Yazoo46 min
Jun 15, 3:37 PM CDTSpecial Weather StatementJANWarren33 min
Jun 15, 6:33 PM CDTSpecial Weather StatementJANClaiborne32 min
Jun 14, 7:37 PM CDTSpecial Weather StatementJANTensas28 min
Jun 15, 4:29 PM CDTSpecial Weather StatementJANMadison31 min

Nearby

Special Weather Statements in Mississippi, 2012Every 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; radar from the NEXRAD Level II archive.