Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 332
NWS STORM PREDICTION CENTER NORMAN OK
250 PM MDT FRI JUN 5 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHEAST COLORADO
EXTREME NORTHWEST KANSAS
WESTERN NEBRASKA
SOUTHEAST WYOMING
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 250 PM UNTIL
1000 PM MDT.
TORNADOES...HAIL TO 2.5 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 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF TORRINGTON
WYOMING TO 55 MILES SOUTH SOUTHEAST OF AKRON COLORADO. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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.
DISCUSSION...DESPITE WIDESPREAD HIGH CLOUDS...A FEW THUNDERSTORMS
HAVE DEVELOPED RECENTLY OVER THE LARAMIE RANGE IN SE WY. CONTINUED
UPSLOPE FLOW OF BOUNDARY LAYER DEWPOINTS IN THE LOW-MID 50S AND SLOW
SURFACE HEATING WILL CONTRIBUTE TO INCREASING CAPE...WEAKENING
CONVECTIVE INHIBITION...AND ADDITIONAL THUNDERSTORM DEVELOPMENT FROM
WY INTO CO. GIVEN THE MODERATE INSTABILITY /MLCAPE NEAR 2000 J/KG
AND MID LEVEL LAPSE RATES NEAR 8 C/KM/ AND EFFECTIVE BULK SHEAR OF
45-55 KT...ENVIRONMENT WILL SUPPORT SUPERCELLS CAPABLE OF PRODUCING
ISOLATED VERY LARGE HAIL AND DAMAGING WINDS. LOW-LEVEL SHEAR
INCREASES WITH EWD EXTENT AND WITH TIME THIS EVENING AS THE LLJ
STRENGTHENS...AND THIS INCREASING SHEAR WILL LIKEWISE SUPPORT AN
INCREASING THREAT FOR A FEW TORNADIC SUPERCELLS THIS EVENING.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27025.
...THOMPSON
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 332 TORNADO CO KS NE WY 052050Z - 060400Z
AXIS..80 STATUTE MILES EAST AND WEST OF LINE..
55N TOR/TORRINGTON WY/ - 55SSE AKO/AKRON CO/
..AVIATION COORDS.. 70NM E/W /65NNW BFF - 46SSE AKO/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 42840256 39430133 39430431 42840573
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 332 Status Report Messages:
STATUS REPORT #4 ON WW 332
VALID 060245Z - 060340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 S IML TO
45 E AKO TO 30 NE AKO TO 25 SSW SNY TO 5 E SNY TO 15 S AIA TO 25
E CDR.
..BROYLES..06/06/09
ATTN...WFO...GLD...BOU...LBF...CYS...
&&
STATUS REPORT FOR WT 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC075-095-115-060340-
CO
. COLORADO COUNTIES INCLUDED ARE
LOGAN PHILLIPS SEDGWICK
$$
NEC005-029-049-069-075-101-135-161-060340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR CHASE DEUEL
GARDEN GRANT KEITH
PERKINS SHERIDAN
$$
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.
$$
STATUS REPORT #3 ON WW 332
VALID 060140Z - 060240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 ESE FCL
TO 40 SSW BFF TO 50 W CDR.
..BROYLES..06/06/09
ATTN...WFO...GLD...BOU...LBF...CYS...
&&
STATUS REPORT FOR WT 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC063-075-087-095-115-121-123-125-060240-
CO
. COLORADO COUNTIES INCLUDED ARE
KIT CARSON LOGAN MORGAN
PHILLIPS SEDGWICK WASHINGTON
WELD YUMA
$$
KSC023-181-060240-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE SHERMAN
$$
NEC005-007-013-029-033-045-049-057-069-075-101-105-123-135-157-
161-165-060240-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR BANNER BOX BUTTE
CHASE CHEYENNE DAWES
DEUEL DUNDY GARDEN
GRANT KEITH KIMBALL
MORRILL PERKINS SCOTTS BLUFF
SHERIDAN SIOUX
$$
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.
$$
STATUS REPORT #2 ON WW 332
VALID 060030Z - 060140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..06/06/09
ATTN...WFO...GLD...BOU...LBF...CYS...
&&
STATUS REPORT FOR WT 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC063-075-087-095-115-121-123-125-060140-
CO
. COLORADO COUNTIES INCLUDED ARE
KIT CARSON LOGAN MORGAN
PHILLIPS SEDGWICK WASHINGTON
WELD YUMA
$$
KSC023-181-060140-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE SHERMAN
$$
NEC005-007-013-029-033-045-049-057-069-075-101-105-123-135-157-
161-165-060140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR BANNER BOX BUTTE
CHASE CHEYENNE DAWES
DEUEL DUNDY GARDEN
GRANT KEITH KIMBALL
MORRILL PERKINS SCOTTS BLUFF
SHERIDAN SIOUX
$$
WYC015-021-027-031-060140-
WY
. WYOMING COUNTIES INCLUDED ARE
GOSHEN LARAMIE NIOBRARA
PLATTE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 332
VALID 052230Z - 052340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..06/05/09
ATTN...WFO...GLD...BOU...LBF...CYS...
&&
STATUS REPORT FOR WT 332
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC063-075-087-095-115-121-123-125-052340-
CO
. COLORADO COUNTIES INCLUDED ARE
KIT CARSON LOGAN MORGAN
PHILLIPS SEDGWICK WASHINGTON
WELD YUMA
$$
KSC023-181-052340-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE SHERMAN
$$
NEC005-007-013-029-033-045-049-057-069-075-101-105-123-135-157-
161-165-052340-
NE
. NEBRASKA COUNTIES INCLUDED ARE
ARTHUR BANNER BOX BUTTE
CHASE CHEYENNE DAWES
DEUEL DUNDY GARDEN
GRANT KEITH KIMBALL
MORRILL PERKINS SCOTTS BLUFF
SHERIDAN SIOUX
$$
WYC015-021-027-031-052340-
WY
. WYOMING COUNTIES INCLUDED ARE
GOSHEN LARAMIE NIOBRARA
PLATTE
$$
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 (40%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
High (70%)
|
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 (90%)
|
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.