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The expiration time in the watch graphic is amended if the watch is
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Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 367
NWS STORM PREDICTION CENTER NORMAN OK
545 AM CDT WED MAY 25 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND EASTERN ILLINOIS
FAR SOUTHEAST MISSOURI
EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 545 AM UNTIL
100 PM CDT.
TORNADOES...HAIL TO 1.5 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 EAST AND WEST OF A LINE FROM 15 MILES EAST NORTHEAST OF
MARSEILLES ILLINOIS TO 5 MILES EAST SOUTHEAST OF CARBONDALE
ILLINOIS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
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 366...
DISCUSSION...A BROKEN QUASI-LINEAR CONVECTIVE SYSTEM WILL CONTINUE
TO STEADILY ADVANCE NORTHEASTWARD THIS MORNING ACROSS A LARGE PART
OF CENTRAL AND EASTERN IL. A RELATIVELY WARM/MOIST MORNING AIRMASS
WILL CONTINUE TO DESTABILIZE WITH ADDITIONAL HEATING AFTER
SUNRISE...WHILE AN INCREASINGLY STRONG DEEP LAYER WIND FIELD WILL
SUPPORT ORGANIZED/FAST MOVING QUASI-LINEAR STRUCTURES CAPABLE OF
DAMAGING WINDS AND ISOLATED TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 22045.
...GUYER/CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 367 TORNADO IL MO 251045Z - 251800Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
15ENE MMO/MARSEILLES IL/ - 5ESE MDH/CARBONDALE IL/
..AVIATION COORDS.. 50NM E/W /7SW JOT - 51E FAM/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 22045.
LAT...LON 41458725 37758806 37759026 41458956
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 367 Status Report Messages:
STATUS REPORT #4 ON WW 367
VALID 251740Z - 251800Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 SSW HUF
TO 45 E SLO TO 25 E SLO TO 15 W MTO TO 20 NNW DNV TO 20 NNW VPZ.
WW 367 WILL BE ALLOWED TO EXPIRE AT 251800Z. SOME AREAS OF
SOUTHEAST IL CURRENTLY AFFECTED BY WW 367 WILL NOW BECOME PART OF
WW 370 UNTIL 02Z.
..HART..05/25/11
ATTN...WFO...LSX...ILX...LOT...PAH...
&&
STATUS REPORT FOR WT 367
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC029-041-045-139-183-251800-
IL
. ILLINOIS COUNTIES INCLUDED ARE
COLES DOUGLAS EDGAR
MOULTRIE VERMILION
$$
INC007-073-089-111-127-251800-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
LMZ743-744-745-251800-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LMZ743
LMZ744
LMZ745
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 367
VALID 251640Z - 251740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNW EVV
TO 25 E SLO TO 15 W MTO TO 10 SW DEC TO 20 SSE BMI TO 40 SE MMO
TO 35 ENE MMO.
..BROYLES..05/25/11
ATTN...WFO...LSX...ILX...LOT...PAH...
&&
STATUS REPORT FOR WT 367
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC019-029-039-041-045-053-075-091-115-139-147-159-183-251740-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CHAMPAIGN COLES DE WITT
DOUGLAS EDGAR FORD
IROQUOIS KANKAKEE MACON
MOULTRIE PIATT RICHLAND
VERMILION
$$
INC007-073-089-111-127-251740-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
LMZ743-744-745-251740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LMZ743
LMZ744
LMZ745
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 367
VALID 251525Z - 251640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 N EVV TO
15 SE SLO TO 20 SSW MVN TO 25 NNW MDH TO 10 E BLV TO 15 S SPI TO
20 N DEC TO 15 ESE BMI TO 25 NE BMI TO 20 SW MMO TO 20 WNW MMO.
..BROYLES..05/25/11
ATTN...WFO...LSX...ILX...LOT...PAH...
&&
STATUS REPORT FOR WT 367
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-019-021-023-025-027-029-033-035-039-041-045-049-051-053-
063-075-079-091-093-099-105-115-121-135-139-147-159-173-183-189-
197-251640-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CHAMPAIGN CHRISTIAN
CLARK CLAY CLINTON
COLES CRAWFORD CUMBERLAND
DE WITT DOUGLAS EDGAR
EFFINGHAM FAYETTE FORD
GRUNDY IROQUOIS JASPER
KANKAKEE KENDALL LA SALLE
LIVINGSTON MACON MARION
MONTGOMERY MOULTRIE PIATT
RICHLAND SHELBY VERMILION
WASHINGTON WILL
$$
INC007-073-089-111-127-251640-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
LMZ743-744-745-251640-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LMZ743
LMZ744
LMZ745
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 367
VALID 251235Z - 251340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..05/25/11
ATTN...WFO...LSX...ILX...LOT...PAH...
&&
STATUS REPORT FOR WT 367
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-019-021-023-025-027-029-033-035-039-041-045-049-051-053-
063-075-077-079-081-091-093-099-105-113-115-121-123-135-139-143-
145-147-159-173-179-183-189-191-197-203-251340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CHAMPAIGN CHRISTIAN
CLARK CLAY CLINTON
COLES CRAWFORD CUMBERLAND
DE WITT DOUGLAS EDGAR
EFFINGHAM FAYETTE FORD
GRUNDY IROQUOIS JACKSON
JASPER JEFFERSON KANKAKEE
KENDALL LA SALLE LIVINGSTON
MCLEAN MACON MARION
MARSHALL MONTGOMERY MOULTRIE
PEORIA PERRY PIATT
RICHLAND SHELBY TAZEWELL
VERMILION WASHINGTON WAYNE
WILL WOODFORD
$$
MOC157-251340-
MO
. MISSOURI COUNTIES INCLUDED ARE
PERRY
$$
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 (30%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (<5%)
|
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.
weather.gov 
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