Flash Flood Warning 76, NWS Jackson, MS

MSZALL-221930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1132 AM CDT SAT JUN 22 1991

...THUNDERSTORMS TO BE ACTIVE ACROSS MISSISSIPPI TODAY...

LATE THIS MORNING...A CLUSTER OF THUNDERSTORMS CONTINUED TO MOVE
SLOWLY EASTWARD OVER NORTHEAST MISSISSIPPI...WHILE SHOWERS WERE
RAPIDLY DEVELOPING OVER SOUTHWEST MISSISSIPPI AND LOUISIANA.  THIS IS
JUST THE BEGINNING OF WHAT PROMISES TO BE A DAY OF WIDESPREAD
THUNDERSTORM ACTIVITY OVER MISSISSIPPI.

THE ATMOSPHERE REMAINS VERY UNSTABLE AND AFTERNOON HEATING EASILY
TRIGGERS THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS.  IN ADDITION TO
THE AFTERNOON HEATING...A COUPLE OF UPPER-LEVEL DISTURBANCES WERE ALSO
GETTING INTO THE ACT.  ONE DISTURBANCE WAS MOVING ACROSS NORTHEAST
MISSISSIPPI...WHILE A SECOND ONE WAS APPROACHING FROM EASTERN TEXAS.
A WEAK COLD FRONT WILL MOVE INTO NORTHERN MISSISSIPPI DURING THE DAY
SUNDAY.

THUNDERSTORMS THAT RUMBLE ACROSS MISSISSIPPI THIS AFTERNOON WILL NOT
BE YOUR TYPICAL SUMMERTIME THUNDERSTORMS.  THE ATMOSPHERE IS MORE
UNSTABLE THAN NORMAL FOR LATE JUNE...ESPECIALLY OVER THE GULF COAST
STATES.  CONSEQUENTLY...THE THUNDERSTORMS WILL BE A LITTLE MORE
INTENSE THAN THE TYPICAL AFTERNOON SUMMERTIME THUNDERSTORMS.

SOME OF THE STORMS WILL LIKELY PRODUCE LARGE HAIL...BRIEF DAMAGING
WINDS...TORRENTIAL RAINFALL...AND FREQUENT LIGHTNING.  THE FACT THAT
IT IS SATURDAY...AND A LOT OF PEOPLE WILL BE OUTSIDE...THE THREAT OF
FREQUENT LIGHTNING IS A MAJOR CONCERN.  IF YOU ARE CLOSE ENOUGH TO
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.  IF YOU
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING...YOUR LIFE IS IN DANGER.
DON`T TAKE CHANCES.  GET INSIDE WHEN THREATENING WEATHER APPROACHES
YOUR AREA.

BOATERS WILL NEED TO BE EXTRA CAUTIOUS AS WELL.  SOME OF THE
THUNDERSTORMS THIS AFTERNOON WILL LIKELY PRODUCE WIND GUSTS IN THE
NEIGHBORHOOD OF 50 MILES AN HOUR.  THIS CAN EASILY CAPSIZE A
GOOD MANY BOATS.  SEEK SAFE HARBOR WHEN YOU FIRST SPOT SIGNS OF
THREATENING WEATHER.

AGAIN...THE MAIN THREAT FROM TODAY`S THUNDERSTORMS WILL BE
HAIL...BRIEF DAMAGING WIND GUSTS...AND LIGHTNING.  PLAY IT
SAFE AND GET INSIDE WHEN THUNDERSTORMS THREATEN YOUR AREA TODAY.