Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 186
NWS STORM PREDICTION CENTER NORMAN OK
1040 PM CDT SAT APR 25 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTH-CENTRAL AND SOUTHEASTERN KANSAS
NORTHERN OKLAHOMA
EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1040 PM
UNTIL 300 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTHEAST OF
CHANUTE KANSAS TO 50 MILES SOUTHWEST OF ALVA OKLAHOMA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 183. WATCH NUMBER 183 WILL NOT BE IN EFFECT AFTER
1040 PM CDT. CONTINUE...WW 185...
DISCUSSION...ENVIRONMENT WILL BE CHARACTERIZED BY LARGE LOW LEVEL
HODOGRAPHS/SRH AND PRESENCE OF ROTATING UPDRAFTS ABOVE FAVORABLE
BOUNDARY LAYER THETAE. TORNADO POTENTIAL EXPECTED TO CONTINUE FOR A
FEW MORE HOURS UNTIL AIR MASS STABILIZES TOO MUCH FOR SFC-BASED
EFFECTIVE INFLOW PARCELS...INVOF SFC BAROCLINIC ZONE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24025.
...EDWARDS/EVANS
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 186 TORNADO KS OK 260340Z - 260800Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
30SE CNU/CHANUTE KS/ - 50SW AVK/ALVA OK/
..AVIATION COORDS.. 40NM N/S /14NNE OSW - 28E GAG/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24025.
REPLACES WW 183..KS OK TX
LAT...LON 36709508 35619930 36909930 38009508
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 186 Status Report Messages:
STATUS REPORT #3 ON WW 186
VALID 260635Z - 260740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 573.
..MEAD..04/26/09
ATTN...WFO...ICT...OUN...TSA...
&&
STATUS REPORT FOR WT 186
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC001-019-035-049-077-099-125-133-191-205-207-260740-
KS
. KANSAS COUNTIES INCLUDED ARE
ALLEN CHAUTAUQUA COWLEY
ELK HARPER LABETTE
MONTGOMERY NEOSHO SUMNER
WILSON WOODSON
$$
OKC003-011-035-039-043-047-053-071-073-083-093-103-105-113-117-
119-147-151-153-260740-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BLAINE CRAIG
CUSTER DEWEY GARFIELD
GRANT KAY KINGFISHER
LOGAN MAJOR NOBLE
NOWATA OSAGE PAWNEE
PAYNE WASHINGTON WOODS
WOODWARD
$$
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.
$$
STATUS REPORT #2 ON WW 186
VALID 260530Z - 260640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MEAD..04/26/09
ATTN...WFO...ICT...OUN...TSA...
&&
STATUS REPORT FOR WT 186
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC001-019-035-049-077-099-125-133-191-205-207-260640-
KS
. KANSAS COUNTIES INCLUDED ARE
ALLEN CHAUTAUQUA COWLEY
ELK HARPER LABETTE
MONTGOMERY NEOSHO SUMNER
WILSON WOODSON
$$
OKC003-011-035-039-043-047-053-071-073-083-093-103-105-113-117-
119-147-151-153-260640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BLAINE CRAIG
CUSTER DEWEY GARFIELD
GRANT KAY KINGFISHER
LOGAN MAJOR NOBLE
NOWATA OSAGE PAWNEE
PAYNE WASHINGTON 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 186
VALID 260430Z - 260540Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..EDWARDS..04/26/09
ATTN...WFO...ICT...OUN...TSA...
&&
STATUS REPORT FOR WT 186
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC001-019-035-049-077-099-125-133-191-205-207-260540-
KS
. KANSAS COUNTIES INCLUDED ARE
ALLEN CHAUTAUQUA COWLEY
ELK HARPER LABETTE
MONTGOMERY NEOSHO SUMNER
WILSON WOODSON
$$
OKC003-011-035-039-043-047-053-071-073-083-093-103-105-113-117-
119-147-151-153-260540-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ALFALFA BLAINE CRAIG
CUSTER DEWEY GARFIELD
GRANT KAY KINGFISHER
LOGAN MAJOR NOBLE
NOWATA OSAGE PAWNEE
PAYNE WASHINGTON WOODS
WOODWARD
$$
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 (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (40%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
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% (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.