

460 

WWUS20 KWNS 190035

SEL4

SPC WW 190035

KSZ000-NEZ000-190800-



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

