Tornado Watch 535

Issued

Oct 13, 2014, 10:29 AM CDT (15:29 UTC)

Expired

Oct 13, 2014, 6:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The St Louis radar (KLSX), 115 km from the middle of the area, began a volume at 15:29 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

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

5%

Ten or more severe hail reports

10%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

60%

• Mesoscale Discussion 1867Oct 13, 8:05 AM CDT
• Mesoscale Discussion 1870Oct 13, 11:59 AM CDT
• Mesoscale Discussion 1873Oct 13, 1:33 PM CDT
• Mesoscale Discussion 1876Oct 13, 3:19 PM CDT
• Mesoscale Discussion 1877Oct 13, 3:42 PM CDT
• Mesoscale Discussion 1881Oct 13, 5:47 PM CDT

605 
WWUS20 KWNS 131538
SEL5  
SPC WW 131538
ILZ000-KYZ000-MOZ000-140000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 535
NWS STORM PREDICTION CENTER NORMAN OK
1030 AM CDT MON OCT 13 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHERN ILLINOIS
  WESTERN KENTUCKY
  SOUTHEAST AND EAST CENTRAL MISSOURI

* EFFECTIVE THIS MONDAY MORNING AND EVENING FROM 1030 AM UNTIL
  700 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH OF SCOTT AFB
ILLINOIS TO 45 MILES SOUTH SOUTHWEST OF PADUCAH KENTUCKY.  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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 533...WW 534...

DISCUSSION...BROKEN N-S SQLN NOW EXTENDING FROM E OF VICHY MO INTO
NE AR SHOULD CONTINUE SLOWLY EWD THROUGH THE REMAINDER OF THE DAY.
STORM DEVELOPMENT WITHIN LINE WILL BE FOSTERED BY MODEST SFC
HEATING...CONTINUED LOW-LVL MOISTURE INFLOW /DEWPOINTS RISING IN THE
MID-UPR 60S/...AND LOW-LVL CONFLUENCE AHEAD OF SLOWLY PROGRESSIVE
SFC LOW NOW OVER SW MO. WEAKLY CAPPED ENVIRONMENT...COUPLED WITH
STRENGTHENING WIND FIELD /ASSOCIATED WITH THE CONTINUED ENE ADVANCE
OF OK UPR TROUGH/...SUGGESTS THAT LONGER-LIVED STORMS WILL POSE A
CONDITIONAL RISK FOR TORNADOES. ONE OR TWO OF THE TORNADOES COULD BE
STRONG GIVEN 700 MB WINDS INCREASING TO AOA 60 KTS...FAIRLY RICH
MOISTURE..AND THE LIKELIHOOD FOR STORM MOTION PARALLEL TO LOW-LVL
MOISTURE/SHEAR AXES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 21040.


...CORFIDI

Tornado Watches in Illinois, 2014Tornado Watches in Missouri, 2014Tornado Watches in Kentucky, 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.