Tornado Watch 367

Issued

Jun 28, 2015, 3:03 PM CDT (20:03 UTC)

Expired

Jun 28, 2015, 11:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 20:03 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.

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

80%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1219Jun 28, 1:36 PM CDT
• Mesoscale Discussion 1222Jun 28, 3:35 PM CDT
• Mesoscale Discussion 1224Jun 28, 5:56 PM CDT
• Mesoscale Discussion 1226Jun 28, 9:39 PM CDT

590 
WWUS20 KWNS 282000
SEL7  
SPC WW 282000
IAZ000-ILZ000-MOZ000-290300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 367
NWS STORM PREDICTION CENTER NORMAN OK
305 PM CDT SUN JUN 28 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHEAST IOWA
  WESTERN ILLINOIS
  EASTERN MISSOURI

* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
  1000 PM CDT.

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

SUMMARY...THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON OVER
SOUTHERN IA/NORTHERN MO AND TRACK SOUTHWARD ACROSS THE WATCH AREA. 
WIND FIELDS ARE FAVORABLE FOR SUPERCELL STORMS CAPABLE OF LARGE HAIL
AND A FEW TORNADOES OVER THIS REGION.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF
BURLINGTON IOWA TO 25 MILES SOUTH SOUTHEAST OF FARMINGTON
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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.

&&

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 33030.


...HART

Tornado Watches in Missouri, 2015Tornado Watches in Illinois, 2015Tornado Watches in Iowa, 2015Every tornado watch in 2015

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.