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.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 260
NWS Storm Prediction Center Norman OK
950 AM MDT Sat Jun 6 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Colorado
Eastern Utah
Extreme southwestern Wyoming
* Effective this Saturday morning and afternoon from 950 AM until
500 PM MDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...Thunderstorms will increase in coverage and intensity from
late morning through the afternoon while spreading
north-northeastward across eastern Utah and western Colorado. The
storm environment will favor a mix of both supercells and bowing
line segments capable of producing damaging winds and large hail.
An isolated tornado cannot be ruled out.
The severe thunderstorm watch area is approximately along and 125
statute miles east and west of a line from 55 miles northeast of
Vernal UT to 25 miles southwest of Cortez CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).
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
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
21050.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 260 SEVERE TSTM CO UT WY 061550Z - 062300Z
AXIS..125 STATUTE MILES EAST AND WEST OF LINE..
55NE VEL/VERNAL UT/ - 25SW CEZ/CORTEZ CO/
..AVIATION COORDS.. 110NM E/W /38SSE OCS - 44WNW RSK/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 21050.
LAT...LON 40970638 37000668 37001122 40971117
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 260 Status Report Messages:
STATUS REPORT #6 ON WW 260
VALID 062045Z - 062140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 WSW ALS
TO 15 S ASE TO 30 NE GJT TO 30 ESE VEL TO 35 SSE RKS.
..LYONS..06/06/20
ATTN...WFO...GJT...SLC...
&&
STATUS REPORT FOR WS 260
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC037-045-081-097-103-107-062140-
CO
. COLORADO COUNTIES INCLUDED ARE
EAGLE GARFIELD MOFFAT
PITKIN RIO BLANCO ROUTT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 260
VALID 062045Z - 062140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 WSW ALS
TO 15 S ASE TO 30 NE GJT TO 30 ESE VEL TO 35 SSE RKS.
..LYONS..06/06/20
ATTN...WFO...GJT...SLC...
&&
STATUS REPORT FOR WS 260
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC037-045-081-097-103-107-062140-
CO
. COLORADO COUNTIES INCLUDED ARE
EAGLE GARFIELD MOFFAT
PITKIN RIO BLANCO ROUTT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 260
VALID 062000Z - 062140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 ENE GUC
TO 20 WSW ASE TO 15 ENE GJT TO 35 SW GJT TO 10 W CNY TO 15 NNW
U28 TO 50 ESE EVW.
..MOSIER..06/06/20
ATTN...WFO...GJT...SLC...
&&
STATUS REPORT FOR WS 260
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC007-037-045-051-053-081-097-103-107-062140-
CO
. COLORADO COUNTIES INCLUDED ARE
ARCHULETA EAGLE GARFIELD
GUNNISON HINSDALE MOFFAT
PITKIN RIO BLANCO ROUTT
$$
UTC009-019-047-062140-
UT
. UTAH COUNTIES INCLUDED ARE
DAGGETT GRAND UINTAH
$$
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.
$$
STATUS REPORT #3 ON WW 260
VALID 061935Z - 062040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE DRO
TO 45 SSE MTJ TO 30 NNE MTJ TO 35 ENE GJT TO 40 NNW GJT TO 30 NE
CNY TO 15 ESE CNY TO 25 S U28 TO 25 NNE PUC TO 30 WSW RKS.
..LYONS..06/06/20
ATTN...WFO...GJT...SLC...
&&
STATUS REPORT FOR WS 260
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC007-037-045-051-053-081-097-103-107-062040-
CO
. COLORADO COUNTIES INCLUDED ARE
ARCHULETA EAGLE GARFIELD
GUNNISON HINSDALE MOFFAT
PITKIN RIO BLANCO ROUTT
$$
UTC009-019-047-062040-
UT
. UTAH COUNTIES INCLUDED ARE
DAGGETT GRAND UINTAH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 260
VALID 061920Z - 062040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ESE DRO
TO 50 NNE DRO TO 30 NE MTJ TO 35 ENE GJT TO 25 N GJT TO 35 NE CNY
TO 20 WSW CNY TO 25 NW U28 TO 45 W RKS.
..LYONS..06/06/20
ATTN...WFO...GJT...SLC...
&&
STATUS REPORT FOR WS 260
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC007-037-045-051-053-081-097-103-107-062040-
CO
. COLORADO COUNTIES INCLUDED ARE
ARCHULETA EAGLE GARFIELD
GUNNISON HINSDALE MOFFAT
PITKIN RIO BLANCO ROUTT
$$
UTC009-019-047-062040-
UT
. UTAH COUNTIES INCLUDED ARE
DAGGETT GRAND UINTAH
$$
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.
$$
STATUS REPORT #1 ON WW 260
VALID 061840Z - 061940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 SSW DRO
TO 45 N DRO TO 25 WSW MTJ TO 35 ESE CNY TO 20 S CNY TO 30 WNW 4HV.
..LYONS..06/06/20
ATTN...WFO...GJT...SLC...
&&
STATUS REPORT FOR WS 260
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
COC007-029-037-045-051-053-077-081-085-091-097-103-107-111-
061940-
CO
. COLORADO COUNTIES INCLUDED ARE
ARCHULETA DELTA EAGLE
GARFIELD GUNNISON HINSDALE
MESA MOFFAT MONTROSE
OURAY PITKIN RIO BLANCO
ROUTT SAN JUAN
$$
UTC007-009-013-015-019-039-041-043-047-051-061940-
UT
. UTAH COUNTIES INCLUDED ARE
CARBON DAGGETT DUCHESNE
EMERY GRAND SANPETE
SEVIER SUMMIT UINTAH
WASATCH
$$
WYC041-061940-
WY
. WYOMING COUNTIES INCLUDED ARE
UINTA
$$
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 (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (50%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (80%)
|
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.