Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 294
NWS STORM PREDICTION CENTER NORMAN OK
300 PM CDT WED MAY 13 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF SOUTHERN ILLINOIS
SMALL PART OF SOUTHWEST INDIANA
PARTS OF EASTERN MISSOURI
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 300 PM UNTIL
1000 PM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTHWEST OF
FARMINGTON MISSOURI TO 45 MILES SOUTH SOUTHEAST OF TERRE HAUTE
INDIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
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 293...
DISCUSSION...MCV ACROSS SERN MO IS NOW MOVING INTO AN AREA OF MDT
INSTABILITY AND LITTLE REMAINING CINH. WITH STRONG VEERING SHEAR
PROFILES IN LOW LEVELS NOTED ON PAH AND EVV 88/D VADS...SUPERCELLS
CAN BE EXPECTED AS SYSTEM MOVES EWD. IN ADDITION E/W BOUNDARY WILL
ENHANCE SHEAR AND TORNADO POTENTIAL EWD INTO SWRN IND.
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
500. MEAN STORM MOTION VECTOR 25035.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 294 TORNADO IL IN MO 132000Z - 140300Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
15SW FAM/FARMINGTON MO/ - 45SSE HUF/TERRE HAUTE IN/
..AVIATION COORDS.. 50NM N/S /19W FAM - 40SSE TTH/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25035.
LAT...LON 38479062 39728700 37978700 36759062
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 294 Status Report Messages:
STATUS REPORT #4 ON WW 294
VALID 140040Z - 140140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NE EVV TO
10 ESE SLO TO 15 ESE MTO.
..GOSS..05/14/09
ATTN...WFO...LSX...ILX...PAH...IND...
&&
STATUS REPORT FOR WT 294
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC023-025-033-079-101-159-140140-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CLARK CLAY CRAWFORD
JASPER LAWRENCE RICHLAND
$$
INC027-055-083-153-140140-
IN
. INDIANA COUNTIES INCLUDED ARE
DAVIESS GREENE KNOX
SULLIVAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 294
VALID 140035Z - 140140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NE EVV TO
10 ESE SLO TO 15 ESE MTO.
..GOSS..05/14/09
ATTN...WFO...LSX...ILX...PAH...IND...
&&
STATUS REPORT FOR WT 294
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC023-025-033-079-101-159-181-140140-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CLARK CLAY CRAWFORD
JASPER LAWRENCE RICHLAND
UNION
$$
INC027-055-083-153-140140-
IN
. INDIANA COUNTIES INCLUDED ARE
DAVIESS GREENE KNOX
SULLIVAN
$$
MOC031-140140-
MO
. MISSOURI COUNTIES INCLUDED ARE
CAPE GIRARDEAU
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 294
VALID 132230Z - 132340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NE CGI TO
15 WSW MDH TO 30 NNW MDH TO 10 ESE SLO TO 35 SW MTO.
..GOSS..05/13/09
ATTN...WFO...LSX...ILX...PAH...IND...
&&
STATUS REPORT FOR WT 294
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC023-025-033-035-047-049-055-059-065-077-079-081-087-101-145-
159-165-181-185-191-193-199-132340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CLARK CLAY CRAWFORD
CUMBERLAND EDWARDS EFFINGHAM
FRANKLIN GALLATIN HAMILTON
JACKSON JASPER JEFFERSON
JOHNSON LAWRENCE PERRY
RICHLAND SALINE UNION
WABASH WAYNE WHITE
WILLIAMSON
$$
INC027-051-055-083-125-129-153-163-173-132340-
IN
. INDIANA COUNTIES INCLUDED ARE
DAVIESS GIBSON GREENE
KNOX PIKE POSEY
SULLIVAN VANDERBURGH WARRICK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 294
VALID 132140Z - 132240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SSW FAM
TO 25 NE FAM TO 15 NW BLV.
..GOSS..05/13/09
ATTN...WFO...LSX...ILX...PAH...IND...
&&
STATUS REPORT FOR WT 294
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-023-025-027-033-035-047-049-051-055-059-065-077-079-081-
087-101-121-145-157-159-165-181-185-189-191-193-199-132240-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CLARK CLAY
CLINTON CRAWFORD CUMBERLAND
EDWARDS EFFINGHAM FAYETTE
FRANKLIN GALLATIN HAMILTON
JACKSON JASPER JEFFERSON
JOHNSON LAWRENCE MARION
PERRY RANDOLPH RICHLAND
SALINE UNION WABASH
WASHINGTON WAYNE WHITE
WILLIAMSON
$$
INC027-051-055-083-125-129-153-163-173-132240-
IN
. INDIANA COUNTIES INCLUDED ARE
DAVIESS GIBSON GREENE
KNOX PIKE POSEY
SULLIVAN VANDERBURGH WARRICK
$$
MOC017-031-123-157-223-132240-
MO
. MISSOURI COUNTIES INCLUDED ARE
BOLLINGER CAPE GIRARDEAU MADISON
PERRY WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
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