Tornado Watch 686

Issued

Aug 14, 2000, 6:15 PM CDT (23:15 UTC)

Expired

Aug 14, 2000, 11:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

The Minneapolis radar (KMPX), 92 km from the middle of the area, began a volume at 23:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

048 
WWUS9 KMKC 142249
SEL6  
MKC WW 142240
MNZ000-WIZ000-150400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 686
STORM PREDICTION CENTER NORMAN OK
540 PM CDT MON AUG 14 2000

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

   CENTRAL AND SOUTHERN MINNESOTA                          
   NORTHWEST AND NORTH CENTRAL WISCONSIN                          

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 615 PM UNTIL 1100
PM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 30 MILES SOUTH OF ALEXANDRIA MINNESOTA TO 20
MILES SOUTH OF RHINELANDER WISCONSIN.

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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 685.  WATCH NUMBER 685 WILL NOT BE IN
EFFECT AFTER 615 PM CDT.

DISCUSSION...BAND OF SEVERE STORMS FROM EAST CENTRAL MN INTO NWRN
WI IS EXPECTED TO CONTINUE MOVING ESEWD.  ADDITIONAL STORMS MAY
DEVELOP OVER WEST CENTRAL MN WHERE SATELLITE IMAGERY SHOWS TCU
ALONG CONVERGENCE ZONE ALONG/SOUTH OF SURFACE LOW.  AIR MASS IN
WARM SECTOR REMAINS VERY MOIST AND UNSTABLE WITH SBCAPE ABOVE 3000
J/KG.  OBSERVED WIND PROFILES AND MODEL FORECASTS SHOW VERTICAL
SHEAR SUFFICIENT FOR SUPERCELLS AND POSSIBLE TORNADOES...WITH
ROTATING STORMS EVIDENT IN RADAR DISPLAYS. 


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 26035.


...WEISS

462,0952 461,0892 442,0892 443,0952

Tornado Watches in Minnesota, 2000Tornado Watches in Wisconsin, 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; radar from the NEXRAD Level II archive.