Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 167
NWS STORM PREDICTION CENTER NORMAN OK
130 PM CDT SAT APR 18 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL KANSAS
NORTHWEST OKLAHOMA
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 130 PM UNTIL
700 PM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 70 MILES NORTH OF DODGE CITY
KANSAS TO 70 MILES SOUTH OF ALVA OKLAHOMA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU7).
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 165...WW 166...
DISCUSSION...THUNDERSTORMS HAVE BEGUN TO DEVELOP BENEATH COLD UPPER
LOW OVER SOUTHWEST KS. DEVELOPMENT IS EXPECTED TO OCCUR SOUTHWARD
ALONG DRYLINE INTO NORTHWEST OK DURING THE NEXT FEW HOURS AS WELL.
BACKED LOW LEVEL WINDS...STEEP LAPSE RATES...AND AMBIENT VORTICITY
WILL PROMOTE A RISK OF TORNADOES IN THIS REGION.
OTHERWISE...SPLITTING SUPERCELLS CAPABLE OF VERY LARGE HAIL WILL BE
THE MAIN THREAT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
400. MEAN STORM MOTION VECTOR 24025.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 167 TORNADO KS OK 181830Z - 190000Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
70N DDC/DODGE CITY KS/ - 70S AVK/ALVA OK/
..AVIATION COORDS.. 50NM E/W /31SSE HLC - 51SW END/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 24025.
LAT...LON 38779894 35759769 35759965 38770098
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 167 Status Report Messages:
STATUS REPORT #4 ON WW 167
VALID 182330Z - 190000Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NE CSM TO
25 NNW END.
WW 167 WILL BE ALLOWED TO EXPIRE AT 190000Z. THE STRONGER STORMS
ARE SHIFTING EAST OF WW 167 AND INTO WW 168.
..DIAL..04/18/09
ATTN...WFO...DDC...OUN...
&&
STATUS REPORT FOR WT 167
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC011-073-093-190000-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BLAINE KINGFISHER MAJOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 167
VALID 182235Z - 182340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 WNW GAG TO
35 WNW AVK TO 25 SE P28.
..DIAL..04/18/09
ATTN...WFO...DDC...OUN...
&&
STATUS REPORT FOR WT 167
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC003-011-039-043-073-093-151-153-182340-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BLAINE CUSTER
DEWEY KINGFISHER MAJOR
WOODS WOODWARD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 167
VALID 182145Z - 182240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 NW GAG TO
40 W AVK TO 20 SSE DDC TO 50 N GCK.
..DIAL..04/18/09
ATTN...WFO...DDC...OUN...
&&
STATUS REPORT FOR WT 167
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC007-033-047-051-057-083-097-101-135-145-151-165-185-195-
182240-
KS
. KANSAS COUNTIES INCLUDED ARE
BARBER COMANCHE EDWARDS
ELLIS FORD HODGEMAN
KIOWA LANE NESS
PAWNEE PRATT RUSH
STAFFORD TREGO
$$
OKC003-011-039-043-073-093-151-153-182240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BLAINE CUSTER
DEWEY KINGFISHER MAJOR
WOODS WOODWARD
$$
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.
$$
STATUS REPORT #1 ON WW 167
VALID 182035Z - 182140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DIAL..04/18/09
ATTN...WFO...DDC...OUN...
&&
STATUS REPORT FOR WT 167
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC007-025-033-047-051-055-057-069-083-097-101-135-145-151-165-
171-185-195-182140-
KS
. KANSAS COUNTIES INCLUDED ARE
BARBER CLARK COMANCHE
EDWARDS ELLIS FINNEY
FORD GRAY HODGEMAN
KIOWA LANE NESS
PAWNEE PRATT RUSH
SCOTT STAFFORD TREGO
$$
OKC003-011-039-043-059-073-093-151-153-182140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BLAINE CUSTER
DEWEY HARPER KINGFISHER
MAJOR WOODS WOODWARD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (60%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
High (90%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (60%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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.