Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 40
NWS Storm Prediction Center Norman OK
440 AM CDT Thu Mar 14 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and south-central Illinois
Central and eastern Missouri
* Effective this Thursday morning from 440 AM until NOON CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...A line of strong-severe thunderstorms initially over
central/southwestern MO is expected to continue moving rapidly
east-northeastward through the rest of this morning. Accompanying
threats for severe gusts and isolated large hail will include the
St. Louis metro and vicinity, and parts of IL.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 60 miles west northwest
of Fort Leonard Wood MO to 40 miles east of Mattoon IL. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 38...WW 39...
AVIATION...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
26045.
...Edwards
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 40
NWS Storm Prediction Center Norman OK
440 AM CDT Thu Mar 14 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and south-central Illinois
Central and eastern Missouri
* Effective this Thursday morning from 440 AM until NOON CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...A line of strong-severe thunderstorms initially over
central/southwestern MO is expected to continue moving rapidly
east-northeastward through the rest of this morning. Accompanying
threats for severe gusts and isolated large hail will include the
St. Louis metro and vicinity, and parts of IL.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 60 miles west northwest
of Fort Leonard Wood MO to 40 miles east of Mattoon IL. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 38...WW 39...
AVIATION...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
26045.
...Edwards
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 40 SEVERE TSTM IL MO 140940Z - 141700Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
60WNW TBN/FORT LEONARD WOOD MO/ - 40E MTO/MATTOON IL/
..AVIATION COORDS.. 50NM N/S /44N SGF - 13W TTH/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26045.
LAT...LON 38959315 40348753 38598753 37219315
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 40 Status Report Messages:
STATUS REPORT #5 ON WW 40
VALID 141525Z - 141640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 ENE MVN
TO 45 E SLO TO 25 WSW HUF TO 15 SSE DNV.
..LYONS..03/14/24
ATTN...WFO...LSX...ILX...PAH...SGF...
&&
STATUS REPORT FOR WS 40
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC023-033-047-101-159-185-191-141640-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CLARK CRAWFORD EDWARDS
LAWRENCE RICHLAND WABASH
WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 40
VALID 141440Z - 141540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 W MDH TO
25 NW MDH TO 15 ESE SLO TO 25 SSW MTO TO 10 ESE MTO TO 30 SE CMI
TO 25 N DNV.
..GLEASON..03/14/24
ATTN...WFO...LSX...ILX...PAH...SGF...
&&
STATUS REPORT FOR WS 40
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC023-025-033-035-045-047-049-079-081-101-145-159-185-191-
141540-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CLARK CLAY CRAWFORD
CUMBERLAND EDGAR EDWARDS
EFFINGHAM JASPER JEFFERSON
LAWRENCE PERRY RICHLAND
WABASH WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 40
VALID 141335Z - 141440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 W FAM TO
5 ESE JEF TO 15 ENE COU TO 35 NNE ALN TO 20 NE SPI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 228
..GLEASON..03/14/24
ATTN...WFO...LSX...ILX...PAH...SGF...
&&
STATUS REPORT FOR WS 40
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-013-021-023-025-027-029-033-035-041-045-047-049-051-079-
081-083-101-117-119-121-133-135-139-145-157-159-163-173-185-189-
191-141440-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CALHOUN CHRISTIAN
CLARK CLAY CLINTON
COLES CRAWFORD CUMBERLAND
DOUGLAS EDGAR EDWARDS
EFFINGHAM FAYETTE JASPER
JEFFERSON JERSEY LAWRENCE
MACOUPIN MADISON MARION
MONROE MONTGOMERY MOULTRIE
PERRY RANDOLPH RICHLAND
ST. CLAIR SHELBY WABASH
WASHINGTON WAYNE
$$
MOC027-055-071-073-099-113-139-151-183-186-187-189-219-221-510-
141440-
MO
. MISSOURI COUNTIES INCLUDED ARE
CALLAWAY CRAWFORD FRANKLIN
GASCONADE JEFFERSON LINCOLN
MONTGOMERY OSAGE ST. CHARLES
STE. GENEVIEVE ST. FRANCOIS ST. LOUIS
WARREN WASHINGTON
MISSOURI INDEPENDENT CITIES INCLUDED ARE
ST. LOUIS CITY
$$
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.
$$
STATUS REPORT #2 ON WW 40
VALID 141245Z - 141340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 228
..DEAN..03/14/24
ATTN...WFO...LSX...ILX...PAH...SGF...
&&
STATUS REPORT FOR WS 40
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-013-021-023-025-027-029-033-035-041-045-047-049-051-061-
079-081-083-101-117-119-121-133-135-139-145-157-159-163-173-185-
189-191-141340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CALHOUN CHRISTIAN
CLARK CLAY CLINTON
COLES CRAWFORD CUMBERLAND
DOUGLAS EDGAR EDWARDS
EFFINGHAM FAYETTE GREENE
JASPER JEFFERSON JERSEY
LAWRENCE MACOUPIN MADISON
MARION MONROE MONTGOMERY
MOULTRIE PERRY RANDOLPH
RICHLAND ST. CLAIR SHELBY
WABASH WASHINGTON WAYNE
$$
MOC007-019-027-029-039-051-055-059-071-073-085-099-105-113-125-
131-135-139-141-151-161-163-167-169-183-186-187-189-219-221-510-
141340-
MO
. MISSOURI COUNTIES INCLUDED ARE
AUDRAIN BOONE CALLAWAY
CAMDEN CEDAR COLE
CRAWFORD DALLAS FRANKLIN
GASCONADE HICKORY JEFFERSON
LACLEDE LINCOLN MARIES
MILLER MONITEAU MONTGOMERY
MORGAN OSAGE PHELPS
PIKE POLK PULASKI
ST. CHARLES STE. GENEVIEVE ST. FRANCOIS
ST. LOUIS WARREN WASHINGTON
MISSOURI INDEPENDENT CITIES INCLUDED ARE
ST. LOUIS CITY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 40
VALID 141135Z - 141240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 227
..DEAN..03/14/24
ATTN...WFO...LSX...ILX...PAH...SGF...
&&
STATUS REPORT FOR WS 40
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-013-021-023-025-027-029-033-035-041-045-047-049-051-061-
079-081-083-101-117-119-121-133-135-139-145-157-159-163-173-185-
189-191-141240-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CALHOUN CHRISTIAN
CLARK CLAY CLINTON
COLES CRAWFORD CUMBERLAND
DOUGLAS EDGAR EDWARDS
EFFINGHAM FAYETTE GREENE
JASPER JEFFERSON JERSEY
LAWRENCE MACOUPIN MADISON
MARION MONROE MONTGOMERY
MOULTRIE PERRY RANDOLPH
RICHLAND ST. CLAIR SHELBY
WABASH WASHINGTON WAYNE
$$
MOC007-019-027-029-039-051-055-059-071-073-085-099-105-113-125-
131-135-139-141-151-161-163-167-169-183-186-187-189-219-221-510-
141240-
MO
. MISSOURI COUNTIES INCLUDED ARE
AUDRAIN BOONE CALLAWAY
CAMDEN CEDAR COLE
CRAWFORD DALLAS FRANKLIN
GASCONADE HICKORY JEFFERSON
LACLEDE LINCOLN MARIES
MILLER MONITEAU MONTGOMERY
MORGAN OSAGE PHELPS
PIKE POLK PULASKI
ST. CHARLES STE. GENEVIEVE ST. FRANCOIS
ST. LOUIS WARREN WASHINGTON
MISSOURI INDEPENDENT CITIES INCLUDED ARE
ST. LOUIS CITY
$$
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
|
Low (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (80%)
|
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% (EF2-EF5 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.