Red Flag Warning 5, NWS Salt Lake City, UT

234 
WWUS85 KSLC 060149
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
749 PM MDT Fri Jul 5 2024

UTZ493-061100-
/O.EXA.KSLC.FW.W.0005.240706T1800Z-240708T0300Z/
Central Utah Mountains-
749 PM MDT Fri Jul 5 2024

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
493...

The National Weather Service in Salt Lake City has issued a Red
Flag Warning for wind and low relative humidity, which is in
effect from noon Saturday to 9 PM MDT Sunday.

* AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...5 to 12 percent with poor overnight
  recoveries between 15 and 25 percent for most locations.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions 
are either occurring now...or are imminent. A combination of 
strong winds...low relative humidity...and warm temperatures can 
contribute to extreme fire behavior.

&&

$$

UTZ482-489-496-061100-
/O.CON.KSLC.FW.W.0005.240706T1800Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-Color Country Mountains-
749 PM MDT Fri Jul 5 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM
MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 482 AND 489...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin, 
  Fire Weather Zone 489 San Rafael Swell and Fire Weather Zone 
  496 Color Country Mountains.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...5 to 12 percent with poor overnight
  recoveries between 25 and 35 percent for the western Uinta
  Basin, and 15 and 25 percent for the San Rafael Swell and most 
  locations in the Color Country Mountains.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ494-498-061100-
/O.CON.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Henry Mountains-Grand Staircase-
749 PM MDT Fri Jul 5 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...3 to 10 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

138 
WWUS85 KSLC 060158
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
758 PM MDT Fri Jul 5 2024

UTZ482-489-493-496-061100-
/O.CON.KSLC.FW.W.0005.240706T1800Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-Central Utah Mountains-
Color Country Mountains-
758 PM MDT Fri Jul 5 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM
MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 482, 489, 493, AND 496...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin, 
  Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 493 
  Central Utah Mountains and Fire Weather Zone 496 Color Country 
  Mountains.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...5 to 12 percent with poor overnight
  recoveries between 25 and 35 percent for the western Uinta
  Basin, and 15 and 25 percent for the San Rafael Swell and most
  locations in the Color Country and Central Utah Mountains.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ494-498-061100-
/O.CON.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Henry Mountains-Grand Staircase-
758 PM MDT Fri Jul 5 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...3 to 10 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

559 
WWUS85 KSLC 060948
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
348 AM MDT Sat Jul 6 2024

UTZ482-489-493-496-062200-
/O.CON.KSLC.FW.W.0005.240706T1800Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-Central Utah Mountains-
Color Country Mountains-
348 AM MDT Sat Jul 6 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
482, 489, 493, AND 496...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin, 
  Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 493 
  Central Utah Mountains and Fire Weather Zone 496 Color Country 
  Mountains.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...5 to 12 percent with poor overnight
  recoveries 15 to 25 percent, except 25 to 35 percent in the
  western Utah Basin.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ494-498-062200-
/O.CON.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Henry Mountains-Grand Staircase-
348 AM MDT Sat Jul 6 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...3 to 10 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

805 
WWUS85 KSLC 061853
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1253 PM MDT Sat Jul 6 2024

UTZ497-071100-
/O.EXA.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Mojave Desert-
1253 PM MDT Sat Jul 6 2024

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 497...

The National Weather Service in Salt Lake City has issued a Red
Flag Warning for wind and low relative humidity, which is in
effect from noon to 9 PM MDT Sunday.

* AFFECTED AREA...Fire Weather Zone 497 Mojave Desert.

* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 3 to 5 percent during the 
  afternoon. Overnight relative humidity only recovering to around
  15 percent during the overnight hours.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ482-489-493-496-071100-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-Central Utah Mountains-
Color Country Mountains-
1253 PM MDT Sat Jul 6 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482, 489,
493, AND 496...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin, 
  Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 493 
  Central Utah Mountains and Fire Weather Zone 496 Color Country 
  Mountains.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 6 to 12 percent during the 
  afternoon. Overnight recoveries only expected to reach 15 to 25 
  percent, except 25 to 35 percent in the western Uinta Basin.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ494-498-071100-
/O.CON.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Henry Mountains-Grand Staircase-
1253 PM MDT Sat Jul 6 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
494 AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire 
  Weather Zone 498 Grand Staircase.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 4 percent in the afternoon.
  Overnight recoveries only expected to reach upwards of 25
  percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

782 
WWUS85 KSLC 070930
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
330 AM MDT Sun Jul 7 2024

UTZ482-489-072300-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-
330 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482 AND
489...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin and 
  Fire Weather Zone 489 San Rafael Swell.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this
  afternoon and early evening.

* RELATIVE HUMIDITY...Falling into the 6 to 12 percent range by
  early afternoon, after marginal to poor overnight recovery in
  the 15 to 30 percent range this morning. 

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ493-072300-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Central Utah Mountains-
330 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 493...

* AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this 
  afternoon and early evening.

* RELATIVE HUMIDITY...Falling into the 8 to 14 percent range by
  early afternoon, after marginal to poor recovery in the 15 to 
  30 percent range this morning. 

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ494-497-498-072300-
/O.CON.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Henry Mountains-Mojave Desert-Grand Staircase-
330 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 494, 497, AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains, Fire 
  Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand 
  Staircase.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this
  afternoon and early evening.

* RELATIVE HUMIDITY...Falling into the 3 to 8 percent range this
  afternoon, after poor recovery in the 15 to 20 percent range 
  this morning. 

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ496-072300-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Color Country Mountains-
330 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 496...

* AFFECTED AREA...Fire Weather Zone 496 Color Country Mountains.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this
  afternoon and early evening.

* RELATIVE HUMIDITY...Falling into the 5 to 10 percent range by
  early afternoon, after marginal to poor recovery in the 15 to 
  30 percent range this morning. 

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

557 
WWUS85 KSLC 071730
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
1130 AM MDT Sun Jul 7 2024

UTZ482-489-080300-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-
1130 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 482 AND
489...

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin and 
  Fire Weather Zone 489 San Rafael Swell.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this 
  afternoon and early evening.

* RELATIVE HUMIDITY...5 to 12 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ494-497-498-080300-
/O.CON.KSLC.FW.W.0005.240707T1800Z-240708T0300Z/
Henry Mountains-Mojave Desert-Grand Staircase-
1130 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 494,
497, AND 498...

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains, Fire 
  Weather Zone 497 Mojave Desert and Fire Weather Zone 498 Grand 
  Staircase.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this 
  afternoon and early evening.

* RELATIVE HUMIDITY...3 to 8 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ493-080300-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Central Utah Mountains-
1130 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 493...

* AFFECTED AREA...Fire Weather Zone 493 Central Utah Mountains.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this 
  afternoon and early evening.

* RELATIVE HUMIDITY...8 to 14 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

UTZ496-080300-
/O.CON.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Color Country Mountains-
1130 AM MDT Sun Jul 7 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 496...

* AFFECTED AREA...Fire Weather Zone 496 Color Country Mountains.

* WINDS...Northwest 15 to 25 mph with gusts up to 35 mph this 
  afternoon and early evening.

* RELATIVE HUMIDITY...3 to 8 percent.

* IMPACTS...Critical fire weather conditions are likely to 
  occur. Any new fire starts or existing fires may spread 
  rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

363 
WWUS85 KSLC 080300
RFWSLC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
900 PM MDT Sun Jul 7 2024

UTZ482-489-493-494-496>498-080400-
/O.EXP.KSLC.FW.W.0005.000000T0000Z-240708T0300Z/
Western Uintah Basin-San Rafael Swell-Central Utah Mountains-
Henry Mountains-Color Country Mountains-Mojave Desert-
Grand Staircase-
900 PM MDT Sun Jul 7 2024

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 482, 489, 493, 494, 496, 497, AND
498...

High elevation areas, particularly in 493, may have localized
areas of critical fire weather conditions into the overnight
period. 

$$

For more information from the National Weather Service visit
http://weather.gov/saltlakecity

Area Forecast Discussion
National Weather Service Salt Lake City UT
423 AM MDT Fri Jul 5 2024

.SYNOPSIS...High pressure will gradually shift eastward over the
next seven days, bringing increasingly warm temperatures first to
southern Utah this weekend, and then northern and central Utah
Tuesday. A few disturbances passing well to the east will help to
increase winds across the eastern valleys Saturday and Sunday.

&&

.SHORT TERM (THROUGH 12Z SUNDAY)...Utah remains in a dry
northwesterly flow aloft, in between strengthening high pressure
over the West Coast and a mean longwave trough over the central
CONUS. This general pattern will change little through Saturday
other than further strengthening of the upstream high pressure.
Several embedded disturbances will continue to graze northeast Utah
and southwest Wyoming, bringing at times enhanced winds to far
northern Utah and the eastern valleys. Saturday afternoon and
evening, these winds will be strong enough that, when combined with
low humidities, will result in critical fire weather conditions where
fuels have cured. Areas of greatest impact will be the western Uinta
Basin, portions of Castle Country and the San Rafael Swell, and more
marginally so along the Idaho border.

.LONG TERM (After 12Z/6AM Sunday)...Main focus of the long term
portion of the forecast continues be very hot and dry conditions as
a heat wave will build across the region. Global deterministic and
ensemble forecast systems remain in excellent agreement regarding of
the presence of an unseasonably strong high pressure ridge that will
slowly build towards and across Utah and SW Wyoming during the
period. While there remain some minor strength and positioning
differences among the model solution space, this doesn't take away
from the fact that temperatures may approach record values in the
Sunday through Thursday timeframe across southern Utah, with near
record-breaking heat building into northern Utah Wednesday through
next Friday as the ridge and heat dome move overhead. EFI plots and
standardized anomaly plots continue to show an anomalous heat event,
with 700mb temperatures forecast outside of model climatology across
portions of the Mojave (and flirting with the St. George area by
early next week). Existing Excessive Heat Warnings will likely need
to be expanded in both geographical extent and temporal extent as we
get closer to the event. There is some uncertainty as to how far out
to extend heat headlines, as temps will ease ever so slightly across
southwest Utah by late-week. Biggest chance from 24 hours ago is
that model consensus has slightly delayed the arrival of moisture to
next weekend, which would allow for an already extended period of
heat to continue. NBM probabilities continue to suggest most likely
windows for St. George to exceed 110F Saturday through next Friday,
with SLC exceeding 100F Tuesday-Saturday. The bottom line is that
the cumulative effects of this excessive heat will place significant
stress on people and pets, particularly those without adequate
cooling and those that spend significant time outdoors, which adds
to the vulnerability. Avoid strenuous outdoor activities during the
hottest time of the day, drink plenty of water and limit exposure to
the sun.

As we head into next Friday and just beyond into next weekend, an
increasing portion of the model solution space advertises an
increase in total column moisture across the region, with this
moisture originating from the western Mexican coastal region and the
Gulf of California. As hinted at above, the latest ensemble system
means (GEFS, EC and Canadian alike) advect this moisture northward
into the Great Basin 1-2 days later than what was forecast 24 hours
ago, making this moisture push the greatest source of uncertainty in
the long term. We begin to see slight chances for isolated
convection appear across at least south-central Utah by next Friday,
which will likely begin as an isolated, dry lightning threat given
anticipated slow increase in low-level moisture.

&&

.AVIATION...KSLC...VFR conditions expected through the period under
mainly clear skies. NW wind shift expected between 16-18Z, more
likely closer to 16Z. This evening, SE wind shift expected between
04Z and 06Z. Friday night into Saturday morning, periods of variable
wind expected with an easterly pressure gradient, but winds will
remain largely less than 7kts overnight, making direction less
operationally significant.

.REST OF UTAH AND SOUTHWEST WYOMING...No significant weather is
expected at area terminals through the TAF period, with VFR
conditions and clear to mostly clear skies persisting, with only
some cumulus anticipated over the Uintas. Small potential for any
terminals downwind of area fires to experience brief VIS drops due
to smoke plume advecting through. Otherwise, anticipate winds to
follow a fairly typical diurnal pattern.

&&

.FIRE WEATHER...A northwesterly flow aloft remains in place across
the area through the weekend. As a series of embedded disturbances
graze northern Utah, expect winds to increase at times. Winds today
are not expected to be particularly strong, but will increase on
Saturday across far northern Utah through the Uinta Basin and parts
of the San Rafael Swell area. On Sunday, the winds will focus
farther south, across the San Rafael Swell and into south-central
and southeast Utah. These winds will combine with low humidities to
result in critical fire weather conditions where fuels have cured.
The other main weather issue will be the dry and very hot conditions
that will encompass the area through next week. Midlevel moisture
may then start to make its way into the area late next week which
could potentially bring some microbursts and/or dry lightning
activity.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...Fire Weather Watch from Saturday afternoon through Saturday
     evening for UTZ482-489.

     Excessive Heat Warning from 9 AM Sunday to 9 PM MDT Tuesday for
     UTZ123-124-131.

WY...None.
&&

Cheng/ADeSmet

For more information from NOAA's National Weather Service visit...
http://weather.gov/saltlakecity