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Tornado Watch Issued for July 21, 2000
Graphic showing tornado watch box

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

NORTHEAST COLORADO - WESTERN NEBRASKA-SOUTHWEST SOUTH DAKOTA
EASTERN WYOMING EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 900  PM MDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.  THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST  OF A LINE FROM 85 MILES NORTH NORTHEAST OF DOUGLAS WYOMING TO 20  MILES SOUTHEAST OF AKRON COLORADO.  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 605...

DISCUSSION...SCATTERED THUNDERSTORMS...INCLUDING SUPERCELLS...  EXPECTED TO STRENGTHEN OVER ERN WY/FAR WRN NEB THROUGH THE  AFTERNOON...WITH OTHER STORMS POSSIBLY FORMING SOMEWHAT LATER SWD  INTO CO. STEEP MID LEVEL LAPSE RATES/AMPLE BOUNDARY LAYER MOISTURE  INFLOW AND MODERATE DIRECTIONAL SHEAR APPEAR SUPPORTIVE OF VERY  LARGE HAIL/HIGH WINDS AND ISOLATED TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL  SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND  GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 31025.
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