Tornado Watch 302

Issued

Jun 16, 2014, 12:25 PM CDT (17:25 UTC)

Expired

Jun 16, 2014, 8:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Sioux Falls radar (KFSD), 133 km from the middle of the area, began a volume at 17:27 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

60%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1012Jun 16, 10:19 AM CDT
• Mesoscale Discussion 1017Jun 16, 3:11 PM CDT

965 
WWUS20 KWNS 161727
SEL2  
SPC WW 161727
IAZ000-MNZ000-170100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 302
NWS STORM PREDICTION CENTER NORMAN OK
1225 PM CDT MON JUN 16 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WESTERN AND CENTRAL IOWA
  SOUTHWEST MINNESOTA

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1225 PM UNTIL
  800 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 2.5 INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF REDWOOD
FALLS MINNESOTA TO 45 MILES EAST SOUTHEAST OF DENISON IOWA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 301...

DISCUSSION...A COMPLEX EVOLUTION OF SUPERCELLS AND A BOW ECHO IS
UNDERWAY ALONG A WARM FRONT LIFTING NORTH THROUGH THE REGION.
UPSCALE GROWTH INTO A FORWARD-PROPAGATING MCS WITH EMBEDDED
SUPERCELLS IS ANTICIPATED LATER TODAY WITH A RISK FOR TORNADOES
/SOME POSSIBLY STRONG/...VERY LARGE HAIL...AND POTENTIALLY
WIDESPREAD DAMAGING WINDS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27035.


...MEAD

Tornado Watches in Iowa, 2014Tornado Watches in Minnesota, 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.