Source: US National Oceanic and Atmospheric Administration
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 301
NWS Storm Prediction Center Norman OK
215 AM CDT Tue May 20 2025
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southeast and Southern Illinois
Southwest Indiana
Western Kentucky
* Effective this Tuesday morning from 215 AM until 800 AM CDT.
* Primary threats include…
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY…A couple of bands of thunderstorms are forecast to
gradually move east along a warm frontal zone and across the Watch
tonight into the early morning. A few brief tornadoes are possible
with the stronger storms. Scattered damaging gusts and isolated
large hail are also possible.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 60 miles north of Evansville IN to 45
miles east southeast of Paducah KY. 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 298…WW 299…WW 300…
AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 25035.
…Smith
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW1
WW 301 TORNADO IL IN KY 200715Z – 201300Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
60N EVV/EVANSVILLE IN/ – 45ESE PAH/PADUCAH KY/
..AVIATION COORDS.. 50NM E/W /38SSW TTH – 68S PXV/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 25035.
LAT…LON 38898641 36818693 36818910 38898865
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 301 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Mod (30%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (10%)
Wind
Probability of 10 or more severe wind events
Mod (50%)
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
Low (10%)
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% (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.