Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 608
NWS STORM PREDICTION CENTER NORMAN OK
625 PM MDT MON JUL 20 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
FAR EASTERN COLORADO
WESTERN KANSAS
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 625 PM UNTIL
100 AM MDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH
NORTHWEST OF BURLINGTON COLORADO TO 50 MILES SOUTH OF DODGE CITY
KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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.
OTHER WATCH INFORMATION...CONTINUE...WW 606...WW 607...
DISCUSSION...SUPERCELL COMPLEX NOW IN NW KS EXPECTED TO CONTINUE
SSE...MORE OR LESS IN TANDEM WITH COLD/MOIST FRONTAL SURGE JUST TO
ITS NORTH. COMBINATION OF SIZABLE TEMPERATURE-DEW POINT SPREADS
AHEAD OF CLUSTER...INCREASING LARGE SCALE FORCING FOR ASCENT...AND
WIND PROFILES THAT SHOULD BE SUPPORTIVE OF STRENGTHENING FORWARD /S
TO SSE-DIRECTED/ PROPAGATION TOGETHER SUGGEST A CONTINUED POTENTIAL
FOR HIGH WIND AND SVR HAIL INTO LATER THIS EVENING.
AVIATION...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 500. MEAN STORM
MOTION VECTOR 35035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 608 SEVERE TSTM CO KS 210025Z - 210700Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
25NNW ITR/BURLINGTON CO/ - 50S DDC/DODGE CITY KS/
..AVIATION COORDS.. 50NM E/W /37WNW GLD - 43N GAG/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 35035.
LAT...LON 39560133 37049887 37040105 39560358
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 608 Status Report Messages:
STATUS REPORT #4 ON WW 608
VALID 210335Z - 210440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E LAA TO
35 N DDC.
..KERR..07/21/09
ATTN...WFO...GLD...DDC...
&&
STATUS REPORT FOR WS 608
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC025-033-055-057-067-069-075-081-083-093-119-129-175-187-189-
210440-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK COMANCHE FINNEY
FORD GRANT GRAY
HAMILTON HASKELL HODGEMAN
KEARNY MEADE MORTON
SEWARD STANTON STEVENS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 608
VALID 210330Z - 210440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E LAA TO
35 N DDC.
..KERR..07/21/09
ATTN...WFO...GLD...DDC...
&&
STATUS REPORT FOR WS 608
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC025-033-055-057-067-069-075-081-083-093-119-129-175-187-189-
210440-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK COMANCHE FINNEY
FORD GRANT GRAY
HAMILTON HASKELL HODGEMAN
KEARNY MEADE MORTON
SEWARD STANTON STEVENS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 608
VALID 210230Z - 210340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..07/21/09
ATTN...WFO...GLD...DDC...
&&
STATUS REPORT FOR WS 608
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC017-063-210340-
CO
. COLORADO COUNTIES INCLUDED ARE
CHEYENNE KIT CARSON
$$
KSC025-033-055-057-063-067-069-071-075-081-083-093-101-109-119-
129-171-175-187-189-199-203-210340-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK COMANCHE FINNEY
FORD GOVE GRANT
GRAY GREELEY HAMILTON
HASKELL HODGEMAN KEARNY
LANE LOGAN MEADE
MORTON SCOTT SEWARD
STANTON STEVENS WALLACE
WICHITA
$$
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.
$$
STATUS REPORT #1 ON WW 608
VALID 210130Z - 210240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..07/21/09
ATTN...WFO...GLD...DDC...
&&
STATUS REPORT FOR WS 608
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC017-063-210240-
CO
. COLORADO COUNTIES INCLUDED ARE
CHEYENNE KIT CARSON
$$
KSC025-033-055-057-063-067-069-071-075-081-083-093-101-109-119-
129-171-175-187-189-199-203-210240-
KS
. KANSAS COUNTIES INCLUDED ARE
CLARK COMANCHE FINNEY
FORD GOVE GRANT
GRAY GREELEY HAMILTON
HASKELL HODGEMAN KEARNY
LANE LOGAN MEADE
MORTON SCOTT SEWARD
STANTON STEVENS WALLACE
WICHITA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (50%)
|
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 (>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.