Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 39
NWS Storm Prediction Center Norman OK
315 AM CDT Thu Mar 14 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and north-central Illinois
* Effective this Thursday morning from 315 AM until 1000 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...A band of strong-severe thunderstorms, with a history of
measured severe gusts over northeastern MO, is expected to persist
into more of IL over the next few hours, riding along a warm-frontal
zone. Additional damaging to severe gusts are possible, as well as
severe hail from more isolated cells north of the warm front.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 45 miles west southwest
of Peoria IL to 50 miles northeast of Champaign IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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...
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 450. Mean storm motion vector
26040.
...Edwards
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 39
NWS Storm Prediction Center Norman OK
315 AM CDT Thu Mar 14 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and north-central Illinois
* Effective this Thursday morning from 315 AM until 1000 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY...A band of strong-severe thunderstorms, with a history of
measured severe gusts over northeastern MO, is expected to persist
into more of IL over the next few hours, riding along a warm-frontal
zone. Additional damaging to severe gusts are possible, as well as
severe hail from more isolated cells north of the warm front.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 45 miles west southwest
of Peoria IL to 50 miles northeast of Champaign IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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...
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 450. Mean storm motion vector
26040.
...Edwards
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 39 SEVERE TSTM IL 140815Z - 141500Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
45WSW PIA/PEORIA IL/ - 50NE CMI/CHAMPAIGN IL/
..AVIATION COORDS.. 40NM N/S /50NE UIN - 25W BVT/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 26040.
LAT...LON 41079047 41198761 39898761 39779047
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 39 Status Report Messages:
STATUS REPORT #1 ON WW 39
VALID 140935Z - 141040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..03/14/24
ATTN...WFO...ILX...LOT...
&&
STATUS REPORT FOR WS 39
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC017-019-039-053-057-063-075-091-095-099-105-107-113-115-123-
125-129-137-143-147-167-169-171-175-179-183-203-141040-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CASS CHAMPAIGN DE WITT
FORD FULTON GRUNDY
IROQUOIS KANKAKEE KNOX
LA SALLE LIVINGSTON LOGAN
MCLEAN MACON MARSHALL
MASON MENARD MORGAN
PEORIA PIATT SANGAMON
SCHUYLER SCOTT STARK
TAZEWELL VERMILION WOODFORD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (10%)
|
Wind
| Probability of 10 or more severe wind events |
Mod (40%)
|
| 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 (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.
