Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 124
NWS STORM PREDICTION CENTER NORMAN OK
455 PM CDT THU APR 9 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTH CENTRAL KANSAS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 455 PM UNTIL
800 PM CDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF
MEDICINE LODGE KANSAS TO 35 MILES EAST OF WICHITA KANSAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 123...
DISCUSSION...ADDITIONAL STORM DEVELOPMENT IS EXPECTED ALONG THE HWY
54 CORRIDOR ACROSS SRN KS AS THE DRY SURGE FROM OK COLLIDES WITH THE
E-W FRONT IN KS...NEAR AND E OF THE SURFACE AND MID LEVEL LOW
CENTER. THOUGH LOW-LEVEL MOISTURE IS MARGINAL...STEEP LAPSE RATES
AND STRONG VERTICAL VORTICITY ALONG THE BOUNDARY COULD SUPPORT A
COUPLE OF SPIN-UP TORNADOES IN THE NEXT 2-3 HOURS. ISOLATED LARGE
HAIL AND DOWNBURST WINDS WILL ALSO BE POSSIBLE WITH THE STRONGER
STORMS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
400. MEAN STORM MOTION VECTOR 27010.
...THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 124 TORNADO KS 092155Z - 100100Z
AXIS..30 STATUTE MILES NORTH AND SOUTH OF LINE..
45NW P28/MEDICINE LODGE KS/ - 35E ICT/WICHITA KS/
..AVIATION COORDS.. 25NM N/S /75E GCK - 38E ICT/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..50 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 27010.
LAT...LON 38189916 38089679 37209679 37319916
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 124 Status Report Messages:
STATUS REPORT #1 ON WW 124
VALID 092330Z - 100040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 ENE ICT
TO 25 ENE HUT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 416.
..GRAMS..04/09/09
ATTN...WFO...DDC...ICT...
&&
STATUS REPORT FOR WT 124
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC079-100040-
KS
. KANSAS COUNTIES INCLUDED ARE
HARVEY
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (30%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (10%)
|
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 (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (50%)
|
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 
