Tornado Watch 550

Issued

Jul 7, 2000, 6:00 PM CDT (23:00 UTC)

Expired

Jul 8, 2000, 12:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

000 
WWUS9 KMKC 072250
MKC WW 072245
MNZ000-080500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 550
STORM PREDICTION CENTER NORMAN OK
545 PM CDT FRI JUL 7 2000

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

   CENTRAL MINNESOTA                          

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 600 PM UNTIL
MIDNIGHT CDT.

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 75 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 60 MILES WEST OF ALEXANDRIA MINNESOTA TO 40
MILES NORTH NORTHEAST OF MINNEAPOLIS MINNESOTA.

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 549...

DISCUSSION...INCREASING WARM ADVECTION EXPECTED TO LEAD CONTINUED
THUNDERSTORM DEVELOPMENT IN WATCH AREA THIS EVENING...WHERE AMPLE
/4000 J/KG/ SURFACE AND SLIGHTLY-ELEVATED INSTABILITY PRESENT TO
SUPPORT STRONG UPDRAFTS.  LOW LEVEL SHEAR WILL BE ENHANCED ALONG
STALLED OUTFLOW BOUNDARY/FRONT...WHERE TORNADO POTENTIAL APPEARS
GREATEST.   

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SUR[FACE 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 26030.

...CORFIDI

;465,0963 463,0925 441,0925 444,0963;

Tornado Watches in Minnesota, 2000Every tornado watch in 2000

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.