SPC Tornado Watch 174

WW 174 TORNADO KS NE 190030Z – 190800Z


URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 174
NWS STORM PREDICTION CENTER NORMAN OK
730 PM CDT SAT MAY 18 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF
  NORTH CENTRAL AND NORTHEAST KANSAS
  CENTRAL THROUGH SOUTHEAST NEBRASKA

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 730 PM
  UNTIL 300 AM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL INTENSE TORNADOES POSSIBLE
  NUMEROUS DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS
    TO 80 MPH POSSIBLE
  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHEAST OF
AINSWORTH NEBRASKA TO 40 MILES SOUTH SOUTHEAST OF MANHATTAN
KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 170...WW 171...WW
172...WW 173...

DISCUSSION...ARC OF STRONG/SVR TSTMS NOW IN S CNTRL NEB THROUGH
CNTRL KS EXPECTED TO MOVE/DEVELOP BOTH NNE THROUGH CNTRL NEB...AND
ENE ACROSS N CNTRL/NE KS THROUGH LATE EVE. AREA VWP AND SFC DATA
TRENDS SUGGEST THAT SOME DEGREE OF UPSCALE DEVELOPMENT INTO BROKEN
LINE SEGMENTS MAY OCCUR...WITH EMBEDDED BOWS/SUPERCELLS/LEWPS POSING
A THREAT FOR DMGG WIND...SVR HAIL...AND POSSIBLY TORNADOES. THE
LATTER POTENTIAL WILL BE FOSTERED BY CONTINUED INFLUX OF RICH
LOW-LVL MOISTURE AS SELY SFC WINDS PERSIST BENEATH A
NOCTURNALLY-STRENGTHENED SSWLY LLJ.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 22035.


...CORFIDI

via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0174.html