Special Weather Statement, NWS Jackson, MS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
556 PM CDT THU JUL 19 2012

.UPDATE...HAVE INCREASED RAIN CHANCES OVER SWRN ZONES AND OVER THE
NERN CORNER OF THE FORECAST AREA FOR THIS EVENING. ..THESE AREAS
BEING THE SITES WHERE BETTER CONVECTION IS EITHER CURRENTLY
OCCURRING OR WHERE CONVECTION WILL PROPAGATE OVER THE NEXT COUPLE OF
HOURS. NO OTHER UPDATES WERE MADE.

&&

.SHORT TERM...WEAKNESS IN THE H500 UPPER RIDGE TO THE NORTHWEST IS
AIDING IN A MID LEVEL SHORTWAVE MOVING THROUGH THE REGION AND WILL
AID IN SHOWERS AND THUNDERSTORMS OVER THE NEXT FEW DAYS. POPS WERE
INCREASED ACROSS THE PERIOD DUE TO A VERY SATURATED AIRMASS WITH
PWATS NEAR 2 INCHES AS APPROACHING BOUNDARY AND SERIES OF UPPER
LEVEL DISTURBANCES MOVE THROUGH THE REGION. TEMPERATURES WERE
DECREASED SLIGHTLY TOMORROW AND SATURDAY DUE TO THE LARGE COVERAGE
OF SHOWERS AND THUNDERSTORMS IN THE REGION. DRIER AIR WILL BEGIN TO
FILTER INTO THE NORTH ON SATURDAY EVENING INTO SUNDAY AS THE
BOUNDARY CONTINUES TO DRIFT INTO THE REGION. WILL CONTINUE TO HAVE
CHANCES FOR VERY HEAVY RAIN OVER THE NEXT FEW DAYS. DID NOT MAKE ANY
CHANGES PAST SATURDAY NIGHT SO INCLUDED PREVIOUS LONG TERM
DISCUSSION. /DC/

.LONG TERM...OVERALL...LONG TERM SHOULD BE QUIETER WEATHER WISE WITH
A WARMER/DRIER PATTERN DEVELOPING.

BY SUN...A LEFT OVER UPPER SHEAR AXIS LOOKS TO BE IN PLACE OVER THE
AREA IN THE WAKE OF THE PREV DAYS DISTURBANCE. THIS SHOULD SET THE
STAGE FOR MORE DIURNAL STORM ACTIVITY AND WILL FOLLOW THE 20-40% POPS
OFFERED BY GUID. TEMPS OVER THE WEEKEND WILL BE AROUND NORMAL WHICH
IS THE LOWER 90S.

FOR EARLY WEEK AND ESPECIALLY INTO THE MID/LATTER PORTION OF THE
WEEK...LOOK FOR THE STOUT MID/UPPER HIGH TO BREAK DOWN SOME AND
SHIFT POSITION. WHILE IT DOESN'T APPEAR TO BUILD STRONGLY DURING THE
WEEK...THE HIGH WILL CENTER ITSELF MORE OVER OUR REGION AND THUS
PROVIDE MORE SUBSIDENCE. THIS IS NOTED BY WARMING ALOFT IN THE
MODELS AND SHOULD REALLY HAMPER CONVECTION. WHILE THERE WILL STILL
REMAIN HIGH LOW LEVEL MOISTURE IN PLACE...ENOUGH INGREDIENTS WILL BE
THERE TO SUPPORT SLIGHT CHANCES OF PRECIP AND WILL KEEP SOME LOW END
WORDING TO COVER ANY ISO TYPE ACTIVITY THAT MAY DEVELOP. AS FOR
TEMPS...LESS CLOUDS/PRECIP WILL ALLOW FOR WARMER READINGS OVERALL.
AT THIS TIME...NO DATA IS SUPPORTING ANY REALLY HOT CONDITIONS...BUT
THE AREA SHOULD EASILY WARM INTO THE MIDDLE 90S. IF THE HIGH CAN
BUILD OR THE LOW LEVEL FLOW HAVE MORE OF A WESTERLY COMPONENT...THEN
WE MAY GET WARMER...WE STILL HAVE MANY DAYS TO WATCH THIS. /CME/

&&
.AVIATION...THUNDERSTORM ACTIVITY WILL PRODUCE OCNL MVFR/IFR
CONDITIONS. SHWRS/TSTMS WILL DECREASE IN COVERAGE DURING THE EVENING
BUT A CHANCE OF SHWRS/TSTMS WILL CONTINUE OVERNIGHT...MAINTAINING
THE POSSIBILITY OF LOCAL MVFR/IFR CONDITIONS. SOME STORMS COULD
AGAIN BE RATHER VIGOROUS...WITH THE ASSOCIATED POTENTIAL FOR LOTS OF
LIGHTNING... GUSTY WINDS AND NEARBY TURBULENCE. /15/03

&&

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

03/DC/CME/15

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
227 PM CDT THU JUL 19 2012

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
201930-
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-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-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-
227 PM CDT THU JUL 19 2012

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

.DAY ONE...THIS AFTERNOON THROUGH FRIDAY

BRIEF STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON
THROUGH THIS EVENING AND AGAIN FRIDAY AFTERNOON. WINDS GUSTS FROM 40
TO 60 MPH WILL BE POSSIBLE IN THESE STORMS. THE SLOW SOUTHWARD
MOVEMENT WITH THE HEAVIER STORMS MAY ALSO PRODUCE RAINFALL RATES OF 2
INCHES PER HOUR AND LOCALIZED FLOODING PROBLEMS.

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

STRONG THUNDERSTORMS WILL BE POSSIBLE ONCE AGAIN SATURDAY AFTERNOON
AS A WEAK COLD FRONT MOVES SOUTH INTO THE AREA. THE MAIN RISK WILL
BE WIND GUSTS FROM 40 TO 50 MPH.

.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.

15

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MSZ029-192350-
WEBSTER MS-
620 PM CDT THU JUL 19 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
620 PM CDT THU JUL 19 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS
LOCATED 5 MILES NORTH OF CLARKSON AT 620 PM CDT...MOVING SOUTHWEST AT
5 MPH.

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

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

PEOPLE IN EASTERN AND CENTRAL WEBSTER COUNTY SHOULD MONITOR THIS
STORM CLOSELY.

LAT...LON 3368 8903 3367 8903 3352 8925 3370 8940
      3373 8934 3373 8920 3375 8919 3374 8908
TIME...MOT...LOC 2320Z 055DEG 5KT 3370 8917

BK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
637 PM CDT THU JUL 19 2012

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

0535 PM     TSTM WND DMG     1 S BELZONI             33.16N 90.49W
07/19/2012                   HUMPHREYS          MS   LAW ENFORCEMENT

            18 WHEELER BLOWN OVER

&&

BURSE

LAZ023-025-200020-
TENSAS LA-FRANKLIN LA-
652 PM CDT THU JUL 19 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
652 PM CDT THU JUL 19 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING 40 TO 50 MPH WINDS WAS
LOCATED 6 MILES NORTHWEST OF NEWLIGHT AT 652 PM CDT...MOVING SOUTH AT
10 MPH.

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

PEOPLE IN EAST CENTRAL FRANKLIN AND NORTH CENTRAL TENSAS PARISHES
SHOULD MONITOR THIS STORM CLOSELY.

LAT...LON 3228 9158 3226 9153 3225 9152 3226 9154
      3225 9155 3224 9154 3224 9151 3221 9155
      3220 9154 3220 9132 3203 9140 3210 9163
TIME...MOT...LOC 2352Z 010DEG 8KT 3217 9149

JC