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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 109
NWS STORM PREDICTION CENTER NORMAN OK
1015 PM CDT MON APR 15 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEASTERN KANSAS
CENTRAL AND SOUTHWEST MISSOURI
NORTHEAST OKLAHOMA
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1015 PM
UNTIL 500 AM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 65
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF
BARTLESVILLE OKLAHOMA TO 50 MILES EAST OF COLUMBIA MISSOURI. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU9).
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.
DISCUSSION...WARM ADVECTION ASSOCIATED WITH AN INCREASING LOW-LEVEL
JET ATOP A COOL POST-FRONTAL AIRMASS WILL CONTINUE TO SUPPORT
ELEVATED THUNDERSTORM DEVELOPMENT THIS EVENING/OVERNIGHT. WITH
STEEP MID-LEVEL LAPSE RATES SUPPORTING 1000 TO 1500 J/KG ELEVATED
CAPE AND 40 TO 50 KT MID-LEVEL WEST-SOUTHWESTERLIES CONTRIBUTING TO
CLOUD-LAYER SHEAR SUPPORTIVE OF ORGANIZED/INTENSE UPDRAFTS...LARGE
HAIL CAN BE EXPECTED ACROSS THIS AREA.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24035.
...GOSS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 109 SEVERE TSTM KS MO OK 160315Z - 161000Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
20W BVO/BARTLESVILLE OK/ - 50E COU/COLUMBIA MO/
..AVIATION COORDS.. 55NM N/S /45NW TUL - 38W STL/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..55 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 37709637 39759129 37889129 35839637
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 109 Status Report Messages:
STATUS REPORT #2 ON WW 109
VALID 160635Z - 160740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 E PNC TO
20 SSW CNU TO 40 N CNU.
..BROYLES..04/16/13
ATTN...WFO...ICT...SGF...EAX...LSX...TSA...
&&
STATUS REPORT FOR WS 109
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC001-011-021-037-099-125-133-160740-
KS
. KANSAS COUNTIES INCLUDED ARE
ALLEN BOURBON CHEROKEE
CRAWFORD LABETTE MONTGOMERY
NEOSHO
$$
MOC007-011-015-019-027-029-039-051-055-057-059-071-073-077-085-
097-105-109-113-125-131-135-137-139-141-145-151-161-163-167-169-
173-183-185-217-219-225-160740-
MO
. MISSOURI COUNTIES INCLUDED ARE
AUDRAIN BARTON BENTON
BOONE CALLAWAY CAMDEN
CEDAR COLE CRAWFORD
DADE DALLAS FRANKLIN
GASCONADE GREENE HICKORY
JASPER LACLEDE LAWRENCE
LINCOLN MARIES MILLER
MONITEAU MONROE MONTGOMERY
MORGAN NEWTON OSAGE
PHELPS PIKE POLK
PULASKI RALLS ST. CHARLES
ST. CLAIR VERNON WARREN
WEBSTER
$$
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.
$$
STATUS REPORT #1 ON WW 109
VALID 160530Z - 160640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..04/16/13
ATTN...WFO...ICT...SGF...EAX...LSX...TSA...
&&
STATUS REPORT FOR WS 109
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC001-011-015-019-021-035-037-049-073-099-107-125-133-205-207-
160640-
KS
. KANSAS COUNTIES INCLUDED ARE
ALLEN BOURBON BUTLER
CHAUTAUQUA CHEROKEE COWLEY
CRAWFORD ELK GREENWOOD
LABETTE LINN MONTGOMERY
NEOSHO WILSON WOODSON
$$
MOC007-011-013-015-019-027-029-039-051-053-055-057-059-071-073-
077-083-085-089-097-101-105-109-113-125-131-135-137-139-141-145-
151-159-161-163-167-169-173-175-183-185-217-219-225-160640-
MO
. MISSOURI COUNTIES INCLUDED ARE
AUDRAIN BARTON BATES
BENTON BOONE CALLAWAY
CAMDEN CEDAR COLE
COOPER CRAWFORD DADE
DALLAS FRANKLIN GASCONADE
GREENE HENRY HICKORY
HOWARD JASPER JOHNSON
LACLEDE LAWRENCE LINCOLN
MARIES MILLER MONITEAU
MONROE MONTGOMERY MORGAN
NEWTON OSAGE PETTIS
PHELPS PIKE POLK
PULASKI RALLS RANDOLPH
ST. CHARLES ST. CLAIR VERNON
WARREN WEBSTER
$$
OKC035-105-113-115-117-147-160640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CRAIG NOWATA OSAGE
OTTAWA PAWNEE WASHINGTON
$$
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 (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
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% (F2-F5 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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