Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 101
NWS Storm Prediction Center Norman OK
420 PM CDT Wed Apr 2 2025
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
West Central Illinois
East Central Missouri
* Effective this Wednesday afternoon and evening from 420 PM
until 700 PM CDT.
* Primary threats include...
Several tornadoes and a couple intense tornadoes likely
Widespread large hail and scattered very large hail events to 2
inches in diameter likely
Widespread damaging wind gusts to 70 mph likely
SUMMARY...A line of severe thunderstorms will continue to track
eastward across the St Louis metro area and vicinity through the
next few hours, posing a risk of all severe hazards.
The tornado watch area is approximately along and 35 statute miles
east and west of a line from 65 miles northeast of Alton IL to 45
miles south southwest of Farmington MO. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
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 98...WW 99...WW 100...
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 24040.
...Hart
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 101
NWS Storm Prediction Center Norman OK
420 PM CDT Wed Apr 2 2025
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
West Central Illinois
East Central Missouri
* Effective this Wednesday afternoon and evening from 420 PM
until 700 PM CDT.
* Primary threats include...
Several tornadoes and a couple intense tornadoes likely
Widespread large hail and scattered very large hail events to 2
inches in diameter likely
Widespread damaging wind gusts to 70 mph likely
SUMMARY...A line of severe thunderstorms will continue to track
eastward across the St Louis metro area and vicinity through the
next few hours, posing a risk of all severe hazards.
The tornado watch area is approximately along and 35 statute miles
east and west of a line from 65 miles northeast of Alton IL to 45
miles south southwest of Farmington MO. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
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 98...WW 99...WW 100...
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 24040.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 101 TORNADO IL MO 022120Z - 030000Z
AXIS..35 STATUTE MILES EAST AND WEST OF LINE..
65NE ALN/ALTON IL/ - 45SSW FAM/FARMINGTON MO/
..AVIATION COORDS.. 30NM E/W /19SW AXC - 39SW FAM/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24040.
LAT...LON 39568853 37169011 37169138 39568984
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 101 Status Report Messages:
STATUS REPORT #1 ON WW 101
VALID 022250Z - 022340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW POF
TO 15 SSE DEC.
..WEINMAN..04/02/25
ATTN...WFO...LSX...
&&
STATUS REPORT FOR WT 101
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-027-051-121-157-189-022340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CLINTON FAYETTE
MARION RANDOLPH WASHINGTON
$$
MOC093-123-179-186-187-022340-
MO
. MISSOURI COUNTIES INCLUDED ARE
IRON MADISON REYNOLDS
STE. GENEVIEVE ST. FRANCOIS
$$
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
|
High (80%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (60%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
High (80%)
|
Probability of 1 or more hailstones > 2 inches
|
High (80%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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.
weather.gov 
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