Tornado Watch 475

Issued

Aug 24, 2014, 3:45 PM CDT (20:45 UTC)

Expired

Aug 24, 2014, 11:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Duluth radar (KDLH), 146 km from the middle of the area, began a volume at 20:46 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.

Two or more tornadoes

50%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1608Aug 24, 2:10 PM CDT
• Mesoscale Discussion 1609Aug 24, 6:03 PM CDT
• Mesoscale Discussion 1611Aug 24, 9:34 PM CDT

775 
WWUS20 KWNS 242047
SEL5  
SPC WW 242047
MNZ000-WIZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 475
NWS STORM PREDICTION CENTER NORMAN OK
345 PM CDT SUN AUG 24 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHERN AND CENTRAL MINNESOTA
  NORTHWEST WISCONSIN

* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 345 PM UNTIL
  1100 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES NORTH NORTHEAST OF
BEMIDJI MINNESOTA TO 20 MILES SOUTH OF MINNEAPOLIS MINNESOTA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY LATE THIS AFTERNOON INTO EVENING AHEAD OF A COLD FRONT
MOVING EAST ACROSS THE WATCH AREA. THE COMBINATION OF MODERATE TO
STRONG INSTABILITY AND A VERTICALLY VEERING WIND PROFILE WITH
MODERATE AMOUNTS OF LOW-LEVEL AND DEEP-LAYER SHEAR WILL BE
SUPPORTIVE OF SUPERCELLS CAPABLE OF A FEW TORNADOES...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 24025.


...MEAD

Tornado Watches in Minnesota, 2014Tornado Watches in Wisconsin, 2014Every tornado watch in 2014

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.