WATCHES: Tornado Watch Number 585

WWUS20 KWNS 022013
SEL5
SPC WW 022013
MTZ000-NDZ000-NEZ000-SDZ000-WYZ000-030400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 585
NWS STORM PREDICTION CENTER NORMAN OK
215 PM MDT SAT JUL 2 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

SOUTHEAST MONTANA
SOUTHWEST NORTH DAKOTA
WESTERN NEBRASKA
WESTERN SOUTH DAKOTA
EASTERN WYOMING

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 215 PM UNTIL
1000 PM MDT.

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 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHWEST OF
MILES CITY MONTANA TO 40 MILES WEST OF SIDNEY NEBRASKA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).

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 583...WW 584...

DISCUSSION...SCATTERED THUNDERSTORMS ARE BEGINNING TO FORM OVER
EASTERN WY. THIS ACTIVITY WILL SPREAD EASTWARD ACROSS THE WATCH
AREA THROUGH THE EVENING. SOUTHEASTERLY AND INCREASING LOW LEVEL
WINDS...COUPLED WITH SUFFICIENT WESTERLY FLOW ALOFT...WILL PROMOTE
SUPERCELL STORMS CAPABLE OF LARGE HAIL AND DAMAGING WINDS.
STRENGTHENING WIND FIELDS BY 00Z ALSO SUGGEST A RISK OF A FEW
TORNADOES.

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
500. MEAN STORM MOTION VECTOR 26030.

...HART

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