Wednesday, May 11, 2016

Elevated hail, lightning risks this afternoon as storms develop in Joplin area

(From the National Weather Service)

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-121500-
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-
LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE-
TANEY-OZARK-OREGON-
958 AM CDT WED MAY 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...TODAY AND TONIGHT.

WEATHER HAZARDS EXPECTED...

  ELEVATED HAIL RISK.
  ELEVATED THUNDERSTORM WIND DAMAGE RISK.
  ELEVATED LIGHTNING RISK.

DISCUSSION...

  THE ATMOSPHERE IS EXPECTED TO BECOME QUITE UNSTABLE THIS
  AFTERNOON AND EVENING AHEAD OF AN APPROACHING COLD FRONT.
  SCATTERED THUNDERSTORMS ARE EXPECTED TO REDEVELOP WITHIN THIS
  WARM AND HUMID LOW LEVEL AIR MASS LATER THIS AFTERNOON ACROSS
  THE OUTLOOK AREA. STORMS MAY ALSO FORM ALONG REMNANT OUTFLOW
  BOUNDARIES LEFT OVER FROM THIS MORNINGS THUNDERSTORMS. THESE
  THUNDERSTORMS WILL HAVE THE CAPABILITY OF PRODUCING LARGE HAIL
  TO THE SIZE OF HALF DOLLARS AND DAMAGING WIND GUSTS UP TO 70
  MPH. THUNDERSTORM COVERAGE IS THEN EXPECTED TO INCREASE THIS
  EVENING AS THE COLD FRONT MOVES INTO THE AREA.

  IN ADDITION TO THE RISK FOR DAMAGING WINDS AND LARGE
  HAIL...BRIEF TORRENTIAL RAINFALL AND FREQUENT CLOUD TO GROUND
  LIGHTNING WILL ACCOMPANY THESE STORMS.

  THE RISK FOR SEVERE STORMS WILL BEGIN TO DIMINISH BY MIDNIGHT
  OR SHORTLY THEREAFTER AS THE ATMOSPHERE BEGINS TO STABILIZE.


.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

  A FEW LEFTOVER THUNDERSTORMS WILL BE POSSIBLE MAINLY DURING THE
  MORNING HOURS ON THURSDAY ACROSS SOUTH CENTRAL MISSOURI.

  ANOTHER COLD FRONT WILL THEN BRING THE POTENTIAL FOR SCATTERED
  THUNDERSTORMS TO THE AREA FROM LATE FRIDAY INTO FRIDAY EVENING,
  ESPECIALLY ACROSS CENTRAL MISSOURI. AT THIS TIME, ANY RISK FOR
  SEVERE STORMS IS EXPECTED TO REMAIN NORTH AND EAST OF CENTRAL
  MISSOURI.

  CONFIDENCE IS THEN INCREASING THAT MULTIPLE ROUNDS OF SHOWERS
  AND THUNDERSTORMS WILL IMPACT THE OUTLOOK AREA FROM LATE THIS
  WEEKEND INTO AT LEAST EARLY NEXT WEEK. IF THIS SCENARIO
  MATERIALIZES, THERE WILL BE THE POTENTIAL FOR HEAVY RAINFALL.


.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION MAY BE NEEDED LATER THIS AFTERNOON AND
  EVENING FOR THE MISSOURI OZARKS AND EXTREME SOUTHEAST KANSAS.

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