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.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 441
NWS Storm Prediction Center Norman OK
1205 PM MDT Fri Jun 21 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Colorado
Northwest New Mexico
Central and Eastern Utah
Southwest Wyoming
* Effective this Friday afternoon and evening from 1205 PM until
700 PM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Scattered thunderstorms will form across the watch area
through the afternoon. The more intense cells will pose a risk of
large hail and damaging winds.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 80 miles north northeast
of Vernal UT to 85 miles southwest of Farmington NM. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 441 SEVERE TSTM CO NM UT WY 211805Z - 220100Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
80NNE VEL/VERNAL UT/ - 85SW FMN/FARMINGTON NM/
..AVIATION COORDS.. 65NM E/W /7SE OCS - 78SW RSK/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25035.
LAT...LON 41490748 35870796 35871064 41491038
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 441 Status Report Messages:
STATUS REPORT #4 ON WW 441
VALID 212335Z - 220040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 SSW BCE
TO 5 SSE BCE TO 40 WNW 4HV TO 25 NW PUC TO 40 SSE EVW TO 45 NNW
VEL TO 20 SSW RWL.
..WENDT..06/21/24
ATTN...WFO...GJT...ABQ...SLC...RIW...
&&
STATUS REPORT FOR WS 441
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC029-033-045-067-077-081-083-085-091-103-111-113-220040-
CO
. COLORADO COUNTIES INCLUDED ARE
DELTA DOLORES GARFIELD
LA PLATA MESA MOFFAT
MONTEZUMA MONTROSE OURAY
RIO BLANCO SAN JUAN SAN MIGUEL
$$
NMC006-031-045-220040-
NM
. NEW MEXICO COUNTIES INCLUDED ARE
CIBOLA MCKINLEY SAN JUAN
$$
UTC007-009-013-015-017-019-025-037-047-055-220040-
UT
. UTAH COUNTIES INCLUDED ARE
CARBON DAGGETT DUCHESNE
EMERY GARFIELD GRAND
KANE SAN JUAN UINTAH
WAYNE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 441
VALID 212250Z - 212340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1365
..WENDT..06/21/24
ATTN...WFO...GJT...ABQ...SLC...RIW...
&&
STATUS REPORT FOR WS 441
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC029-033-045-067-077-081-083-085-091-103-111-113-212340-
CO
. COLORADO COUNTIES INCLUDED ARE
DELTA DOLORES GARFIELD
LA PLATA MESA MOFFAT
MONTEZUMA MONTROSE OURAY
RIO BLANCO SAN JUAN SAN MIGUEL
$$
NMC006-031-045-212340-
NM
. NEW MEXICO COUNTIES INCLUDED ARE
CIBOLA MCKINLEY SAN JUAN
$$
UTC007-009-013-015-017-019-025-031-037-039-041-047-051-055-
212340-
UT
. UTAH COUNTIES INCLUDED ARE
CARBON DAGGETT DUCHESNE
EMERY GARFIELD GRAND
KANE PIUTE SAN JUAN
SANPETE SEVIER UINTAH
WASATCH WAYNE
$$
WYC037-212340-
WY
. WYOMING COUNTIES INCLUDED ARE
SWEETWATER
$$
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.
$$
STATUS REPORT #2 ON WW 441
VALID 212030Z - 212140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1360.
..GRAMS..06/21/24
ATTN...WFO...GJT...ABQ...SLC...RIW...
&&
STATUS REPORT FOR WS 441
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC029-033-045-067-077-081-083-085-091-103-111-113-212140-
CO
. COLORADO COUNTIES INCLUDED ARE
DELTA DOLORES GARFIELD
LA PLATA MESA MOFFAT
MONTEZUMA MONTROSE OURAY
RIO BLANCO SAN JUAN SAN MIGUEL
$$
NMC006-031-045-212140-
NM
. NEW MEXICO COUNTIES INCLUDED ARE
CIBOLA MCKINLEY SAN JUAN
$$
UTC007-009-013-015-017-019-025-031-037-039-041-047-051-055-
212140-
UT
. UTAH COUNTIES INCLUDED ARE
CARBON DAGGETT DUCHESNE
EMERY GARFIELD GRAND
KANE PIUTE SAN JUAN
SANPETE SEVIER UINTAH
WASATCH WAYNE
$$
WYC037-212140-
WY
. WYOMING COUNTIES INCLUDED ARE
SWEETWATER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 441
VALID 211935Z - 212040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GRAMS..06/21/24
ATTN...WFO...GJT...ABQ...SLC...RIW...
&&
STATUS REPORT FOR WS 441
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC029-033-045-067-077-081-083-085-091-103-111-113-212040-
CO
. COLORADO COUNTIES INCLUDED ARE
DELTA DOLORES GARFIELD
LA PLATA MESA MOFFAT
MONTEZUMA MONTROSE OURAY
RIO BLANCO SAN JUAN SAN MIGUEL
$$
NMC006-031-045-212040-
NM
. NEW MEXICO COUNTIES INCLUDED ARE
CIBOLA MCKINLEY SAN JUAN
$$
UTC007-009-013-015-017-019-025-031-037-039-041-047-051-055-
212040-
UT
. UTAH COUNTIES INCLUDED ARE
CARBON DAGGETT DUCHESNE
EMERY GARFIELD GRAND
KANE PIUTE SAN JUAN
SANPETE SEVIER UINTAH
WASATCH WAYNE
$$
WYC037-212040-
WY
. WYOMING COUNTIES INCLUDED ARE
SWEETWATER
$$
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 (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
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 (30%)
|
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% (EF2-EF5 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.