Tornado Watch 557

Issued

Jun 29, 2005, 8:00 PM CDT (01:00 UTC)

Expired

Jun 30, 2005, 3:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

The Minneapolis radar (KMPX), 103 km from the middle of the area, began a volume at 01:03 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.

• Mesoscale Discussion 1544Jun 29, 6:37 PM CDT
• Mesoscale Discussion 1547Jun 29, 9:23 PM CDT

000 
WWUS20 KWNS 300100
SEL7  
SPC WW 300100
MNZ000-WIZ000-300800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 557
NWS STORM PREDICTION CENTER NORMAN OK
800 PM CDT WED JUN 29 2005

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

       EAST CENTRAL AND SOUTHEAST MINNESOTA
       WEST CENTRAL WISCONSIN

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 800 PM
UNTIL 300 AM CDT.

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

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES
EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF
MINNEAPOLIS MINNESOTA TO 30 MILES SOUTH SOUTHEAST OF ROCHESTER
MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 554...WW 555...WW 556...

DISCUSSION...ISOLATED SUPERCELLS ACROSS S CENTRAL MN WILL CONTINUE
TO SPREAD EWD TOWARD THE MS RIVER THIS EVENING...SUPPORTED BY THE
STRONG SHEAR/INSTABILITY ENVIRONMENT DEPICTED BY THE 00Z MPX
SOUNDING.  FARTHER N...MORE LINEAR MCS WILL CONTINUE NEAR THE
SURFACE FRONT...WITH ADDITIONAL DEVELOPMENT POSSIBLE IN THE WARM
SECTOR S OF THE BOUNDARY.  A FEW TORNADOES WILL BE POSSIBLE WITH THE
MORE DISCRETE STORMS...ALONG WITH LARGE HAIL AND DAMAGING WINDS.

AVIATION...TORNADOES AND 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 550.
MEAN STORM MOTION VECTOR 25030.


...THOMPSON

454,0911 432,0905 432,0934 454,0941

Tornado Watches in Minnesota, 2005Tornado Watches in Wisconsin, 2005Every tornado watch in 2005

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.