Tornado Watch 365

Issued

Jun 7, 2007, 11:26 PM CDT (04:26 UTC)

Expired

Jun 8, 2007, 7:00 AM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The St Louis radar (KLSX), 16 km from the middle of the area, began a volume at 04:26 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

95%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

95%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1048Jun 7, 7:54 PM CDT
• Mesoscale Discussion 1052Jun 7, 11:12 PM CDT
• Mesoscale Discussion 1055Jun 8, 6:23 AM CDT

000
WWUS20 KWNS 080427
SEL5  
SPC WW 080427
ILZ000-MOZ000-081200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 365
NWS STORM PREDICTION CENTER NORMAN OK
1125 PM CDT THU JUN 7 2007

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

       WESTERN ILLINOIS
       EASTERN AND SOUTHERN MISSOURI

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1125 PM
UNTIL 700 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES WEST NORTHWEST OF
DECATUR ILLINOIS TO 25 MILES SOUTHWEST OF WEST PLAINS MISSOURI. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 360...WW 361...WW
362...WW 363...WW 364...

DISCUSSION...SCTD CLUSTERS OF SUSTAINED STORMS/SUPERCELLS EXPECTED
TO MOVE/DEVELOP E ACROSS CNTRL AND SRN MO THROUGH EARLY FRIDAY AS
SE-MOVING COLD FRONT OVERTAKES DRY LINE/OUTFLOW BOUNDARIES TO ITS
EAST.  REGION WILL REMAIN OF SRN SIDE VERY STRONG WSWLY MID LEVEL 
JET...MAINTAINING POTENTIAL FOR BOWING SEGMENTS WITH HIGH WIND/HAIL
AND TORNADOES GIVEN RICH BOUNDARY LAYER MOISTURE INFLOW AND MODERATE
LOW LEVEL SRH.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 25045.


...CORFIDI

Tornado Watches in Missouri, 2007Tornado Watches in Illinois, 2007Every tornado watch in 2007

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.