WWUS84 KJAN 221428
SPSJAN
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
928 AM CDT THU APR 22 2010
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
231500-
ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW-
CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL-
FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS-
ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR-
LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA-
MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE-
OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER-
TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO-
928 AM CDT THU APR 22 2010
…SIGNIFICANT SEVERE WEATHER OUTBREAK EXPECTED FROM FRIDAY
AFTERNOON INTO SATURDAY INCLUDING THE POTENTIAL FOR STRONG
TORNADOES…
A POWERFUL STORM SYSTEM WILL ADVANCE EASTWARD TOWARD THE ARKLAMISS
REGION THROUGH LATE THIS WEEK…AS COPIOUS AMOUNTS OF MOISTURE FROM
THE GULF OF MEXICO SURGE NORTHWARD INTO THE REGION. A SERIES OF
UPPER-LEVEL DISTURBANCES ASSOCIATED WITH THIS STORM SYSTEM WILL
RESULT IN A NEARLY 24-HOUR LONG PERIOD OF SEVERE THUNDERSTORMS IN
THE ARKLAMISS REGION. SIGNIFICANT SEVERE WEATHER IS EXPECTED TO
RESULT FROM THIS ACTIVITY. TORNADOES…SOME STRONG…ALONG WITH HAIL
TO THE SIZE OF GOLF BALLS OR LARGER…AND DESTRUCTIVE STRAIGHT-LINE
WINDS OF AT LEAST 80 MPH WILL BE POSSIBLE WITH THE STRONGEST
THUNDERSTORMS DURING THE ENTIRE SEVERE WEATHER OUTBREAK.
SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED TO IMPACT AREAS ALONG
AND WEST OF THE INTERSTATE 55 CORRIDOR FOR FRIDAY AFTERNOON BETWEEN
200 AND 800 PM. THE GREATEST RISK FOR THIS ACTIVITY IS EXPECTED TO
BE NORTHWEST OF A LINE FROM NATCHEZ TO GREENWOOD. WHILE THE COVERAGE
OF STORMS IS EXPECTED TO DECREASE BETWEEN THE LATE EVENING HOURS
INTO THE FIRST COUPLE HOURS AFTER MIDNIGHT…A FEW SEVERE
THUNDERSTORMS COULD BE STILL BE ONGOING DURING THIS TIME-FRAME.
THE COVERAGE OF SEVERE THUNDERSTORMS WILL THEN INCREASE ACROSS THE
ENTIRE ARKLAMISS REGION AFTER 300 AM EARLY SATURDAY MORNING…WITH
SEVERE THUNDERSTORMS BECOMING NUMEROUS DURING THE DAY SATURDAY.
ALSO…A DAMAGING SQUALL LINE IS EXPECTED TO SWEEP ACROSS THE
OUTLOOK AREA ON SATURDAY…WITH THE CONTINUING POTENTIAL FOR STRONG
TORNADOES.
THUNDERSTORMS WILL ALSO HAVE THE POTENTIAL TO PRODUCE VERY HEAVY
RAINFALL. WHERE THUNDERSTORMS MOVE REPEATEDLY OVER THE SAME
LOCATIONS…TOTAL RAINFALL AMOUNTS OF AT LEAST 2 TO 4 INCHES COULD
RESULT CAUSING FLASH FLOODING.
THIS SEVERE WEATHER OUTBREAK WILL BE PARTICULARLY DANGEROUS.
EVERYONE ACROSS THE ARKLAMISS REGION SHOULD BE AT A VERY HIGH STATE
OF READINESS FROM FRIDAY AFTERNOON INTO SATURDAY AND BE PREPARED TO
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE.
OUTSIDE OF THUNDERSTORMS…SUSTAINED SOUTHEAST TO SOUTH WINDS OF 20
TO 30 MPH WILL BE POSSIBLE LATE SATURDAY MORNING INTO SATURDAY
AFTERNOON. THESE WINDS COULD CAUSE LOOSE OBJECTS TO BE TOSSED
AROUND…AND EXTREME CAUTION IS ADVISED ON AREA LAKES AND RIVERS.
$$
COHEN
