WATCHES: Severe Thunderstorm Watch Number 553

WWUS20 KWNS 061922
SEL3
SPC WW 061922
COZ000-NMZ000-070200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 553
NWS STORM PREDICTION CENTER NORMAN OK
120 PM MDT MON JUL 6 2009

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

THE SOUTHEAST QUARTER OF COLORADO
NORTH CENTRAL AND NORTHEASTERN NEW MEXICO

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 120 PM UNTIL 800
PM MDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHEAST OF
COLORADO SPRINGS COLORADO TO 75 MILES SOUTHWEST OF TUCUMCARI NEW
MEXICO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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.

DISCUSSION...SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP ACROSS
THE CENTRAL AND SRN ROCKIES...AND HAVE BEGUN TO SPREAD SEWD INTO THE
HIGH PLAINS...WHERE DEWPOINTS NEAR 60 AND DAYTIME HEATING HAVE
COMBINED TO PUSH MIXED-LAYER CAPE INTO THE 500 TO 1000 J/KG RANGE.
WHILE MID-LEVEL FLOW REMAINS SOMEWHAT WEAK FROM THE NW...LOW-LEVEL
SUFFICIENT FOR ORGANIZED/WEAKLY-ROTATING STORMS. ALONG WITH LARGE
HAIL...LOCALLY STRONG/GUSTY WINDS WILL BE POSSIBLE AS CONVECTION
ORGANIZES/SPREADS SEWD INTO THE HIGH PLAINS THROUGH THE AFTERNOON.

AVIATION...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 30025.

...GOSS

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