SPC Severe Thunderstorm Watch 461

WW 461 SEVERE TSTM KS MO 030630Z – 031400Z


URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 461
NWS STORM PREDICTION CENTER NORMAN OK
130 AM CDT SAT AUG 3 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
  FAR EASTERN KANSAS
  WEST CENTRAL THROUGH SOUTH CENTRAL MISSOURI

* EFFECTIVE THIS SATURDAY MORNING FROM 130 AM UNTIL 900 AM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 105 MILES NORTHWEST
OF SPRINGFIELD MISSOURI TO 40 MILES NORTHEAST OF WEST PLAINS
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 460...

DISCUSSION...ERN KS MCS...FED LARGELY BY WAA AND PERSISTENT 30 KT
INFLOW OF VERY MOIST AIR...EXPECTED TO CONTINUE E INTO FAR WRN MO
BEFORE TURNING SLIGHTLY S OF E LATER THIS MORNING. PRECIP LOADING
AND DOWNWARD MOMENTUM TRANSFER MAY YIELD A FEW DMGG WIND GUSTS.
AHEAD OF THE MCS...STRENGTHENED MOIST SWLY LOW-LVL FLOW HAS HELPED
INITIATE SCTD ...SLIGHTLY ELEVATED STORMS ALONG DIFFUSE FRONTAL ZONE
EXTENDING ROUGHLY WNW-ESE ACROSS W CNTRL THROUGH S CNTRL MO. GIVEN
DEGREE OF ELEVATED BUOYANCY LIKELY PRESENT PER 00Z SGF RAOB...AND
CURRENT SGF VWP DATA...THESE STORMS MAY PERSIST WITH A THREAT FOR
ISOLD SVR HAIL/DMGG WIND.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 30025.


...CORFIDI

via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0461.html