Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 63
NWS Storm Prediction Center Norman OK
1030 PM CDT Thu Mar 26 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
West-central Illinois
East-central Kansas
Central Missouri
* Effective this Thursday night and Friday morning from 1030 PM
until 500 AM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Isolated damaging wind gusts to 60 mph possible
SUMMARY...A cluster of elevated thunderstorms will develop east from
east-central Kansas tonight. A few embedded supercells should form
with a risk for large hail, generally near the I-70 corridor in
Missouri.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 35 miles southwest of
Topeka KS to 45 miles east northeast of Alton IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 50 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
27045.
...Grams
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 63
NWS Storm Prediction Center Norman OK
1030 PM CDT Thu Mar 26 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
West-central Illinois
East-central Kansas
Central Missouri
* Effective this Thursday night and Friday morning from 1030 PM
until 500 AM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Isolated damaging wind gusts to 60 mph possible
SUMMARY...A cluster of elevated thunderstorms will develop east from
east-central Kansas tonight. A few embedded supercells should form
with a risk for large hail, generally near the I-70 corridor in
Missouri.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 35 miles southwest of
Topeka KS to 45 miles east northeast of Alton IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 50 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
27045.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 63 SEVERE TSTM IL KS MO 270330Z - 271000Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
35SW TOP/TOPEKA KS/ - 45ENE ALN/ALTON IL/
..AVIATION COORDS.. 40NM N/S /72WSW MCI - 40SSW AXC/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..50 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 27045.
LAT...LON 39369608 39808927 38508927 38069608
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 63 Status Report Messages:
STATUS REPORT #2 ON WW 63
VALID 270730Z - 270840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NE CNU TO
10 NW FLV.
..MOSIER..03/27/20
ATTN...WFO...LSX...TOP...EAX...SGF...
&&
STATUS REPORT FOR WS 63
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-013-027-051-061-083-117-119-121-133-135-149-163-189-
270840-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CALHOUN CLINTON
FAYETTE GREENE JERSEY
MACOUPIN MADISON MARION
MONROE MONTGOMERY PIKE
ST. CLAIR WASHINGTON
$$
KSC091-103-107-121-209-270840-
KS
. KANSAS COUNTIES INCLUDED ARE
JOHNSON LEAVENWORTH LINN
MIAMI WYANDOTTE
$$
MOC007-013-015-019-027-033-037-041-047-051-053-071-073-083-089-
095-099-101-107-113-125-131-135-137-139-141-151-159-163-165-173-
175-177-183-189-195-219-510-270840-
MO
. MISSOURI COUNTIES INCLUDED ARE
AUDRAIN BATES BENTON
BOONE CALLAWAY CARROLL
CASS CHARITON CLAY
COLE COOPER FRANKLIN
GASCONADE HENRY HOWARD
JACKSON JEFFERSON JOHNSON
LAFAYETTE LINCOLN MARIES
MILLER MONITEAU MONROE
MONTGOMERY MORGAN OSAGE
PETTIS PIKE PLATTE
RALLS RANDOLPH RAY
ST. CHARLES ST. LOUIS SALINE
WARREN
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 63
VALID 270640Z - 270740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSE EMP
TO 35 NW TOP.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 235
..MOSIER..03/27/20
ATTN...WFO...LSX...TOP...EAX...SGF...
&&
STATUS REPORT FOR WS 63
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC005-013-027-051-061-083-117-119-121-133-135-149-163-189-
270740-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOND CALHOUN CLINTON
FAYETTE GREENE JERSEY
MACOUPIN MADISON MARION
MONROE MONTGOMERY PIKE
ST. CLAIR WASHINGTON
$$
KSC003-031-045-059-087-091-103-107-111-121-139-177-197-209-
270740-
KS
. KANSAS COUNTIES INCLUDED ARE
ANDERSON COFFEY DOUGLAS
FRANKLIN JEFFERSON JOHNSON
LEAVENWORTH LINN LYON
MIAMI OSAGE SHAWNEE
WABAUNSEE WYANDOTTE
$$
MOC007-013-015-019-027-033-037-041-047-051-053-071-073-083-089-
095-099-101-107-113-125-131-135-137-139-141-151-159-163-165-173-
175-177-183-189-195-219-510-270740-
MO
. MISSOURI COUNTIES INCLUDED ARE
AUDRAIN BATES BENTON
BOONE CALLAWAY CARROLL
CASS CHARITON CLAY
COLE COOPER FRANKLIN
GASCONADE HENRY HOWARD
JACKSON JEFFERSON JOHNSON
LAFAYETTE LINCOLN MARIES
MILLER MONITEAU MONROE
MONTGOMERY MORGAN OSAGE
PETTIS PIKE PLATTE
RALLS RANDOLPH RAY
ST. CHARLES ST. LOUIS SALINE
WARREN
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 (<5%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (60%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (40%)
|
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.
weather.gov 
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