Tornado
Watch Issued for July 21, 2000
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. |
