Tornado Watch 53

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
LARGE PART OF CENTRAL AND EASTERN NEBRASKA
PARTS OF SOUTHERN SOUTH DAKOTA
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1220 PM UNTIL
700 PM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES EAST NORTHEAST OF
PIERRE SOUTH DAKOTA TO 50 MILES SOUTH SOUTHEAST OF HASTINGS
NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).
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.
DISCUSSION...VIGOROUS UPPER TROUGH AND DEEP SURFACE LOW SWRN NE WITH
STRONG LOW LEVEL JET PROVIDING A MOIST/UNSTABLE AIRMASS ACROSS WATCH
AREA. WITH ADDITIONAL HEATING...THUNDERSTORMS EXPECTED TO RAPIDLY
INCREASE IN NUMBER AND INTENSITY AHEAD OF LOW AND TROUGH WITH SHEAR
MORE THAN SUFFICIENT FOR DEVELOPMENT OF SUPERCELLS. ALONG WITH
LARGE HAIL/DAMAGING WINDS...TORNADOES WILL BE POSSIBLE WITH ANY
SUPERCELL AS THEY MOVE RAPIDLY NEWD ACROSS THE WATCH DURING THE
AFTERNOON.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 20040.
..HALES
. NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BLAINE
BOONE BOYD BROWN
BUFFALO BUTLER CEDAR
CHERRY CLAY COLFAX
CUMING CUSTER DODGE
FILLMORE FRANKLIN GAGE
GARFIELD GREELEY HALL
HAMILTON HARLAN HOLT
HOWARD JEFFERSON KEARNEY
KEYA PAHA KNOX LANCASTER
LOUP MADISON MERRICK
NANCE NUCKOLLS PHELPS
PIERCE PLATTE POLK
ROCK SALINE SAUNDERS
SEWARD SHERMAN STANTON
THAYER THOMAS VALLEY
WAYNE WEBSTER WHEELER
YORK
SOUTH DAKOTA COUNTIES INCLUDED ARE
AURORA BEADLE BON HOMME
BRULE BUFFALO CHARLES MIX
DAVISON DOUGLAS GREGORY
HAND HANSON HUGHES
HUTCHINSON HYDE JERAULD
JONES LYMAN MELLETTE
SANBORN STANLEY TODD
TRIPP YANKTON