Area Forecast Discussion
Issued by NWS Salt Lake City, UT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS65 KSLC 251607
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1007 AM MDT FRI JUL 25 2014

.SYNOPSIS...A STALLED SURFACE FRONT WILL REMAIN ACROSS CENTRAL
UTAH THROUGH FRIDAY...MAINTAINING MOISTURE ACROSS THE SOUTH AND
DRIER AIR ACROSS THE NORTH. THIS MOISTURE WILL SLOWLY WORK ITS
WAY NORTHWARD DURING THE UPCOMING WEEKEND...AND REMAIN IN PLACE
INTO EARLY NEXT WEEK.

&&

.DISCUSSION...A WEAK NEARLY STATIONARY FRONT IS CURRENTLY LOCATED
ACROSS CENTRAL UTAH. NORTH OF THIS BOUNDARY A DRIER...COOLER AND
STABLE AIRMASS WILL REMAIN IN PLACE FOR ANOTHER DAY. SOUTH OF THIS
BOUNDARY...EXPECT ANOTHER WARM DAY WITH THE CHANCE OF CONVECTION
MAINLY ACROSS EASTERN UTAH. ANY THUNDERSTORMS WILL BE CAPABLE OF
HEAVY RAIN AND ISOLATED FLASH FLOODING IS POSSIBLE IN THE MOST
FLOOD-PRONE LOCATIONS.

DRY...SOUTHWESTERLY FLOW WILL KEEP MOST OF WEST CENTRAL AND
SOUTHWEST UTAH DRY AND WINDY TODAY. A RED FLAG WARNING REMAINS IN
EFFECT FOR THOSE LOCATIONS. SEE THE FIRE WEATHER DISCUSSION FOR
MORE DETAILS.

CURRENT FORECAST IS ON TRACK AND NO UPDATES ARE ANTICIPATED AT
THIS TIME.

&&

.AVIATION...VFR CONDITIONS ARE EXPECTED THROUGHOUT THE DAY AT THE
SLC TERMINAL WITH SOME SCATTERED CLOUDS. LIGHT WINDS ARE EXPECTED TO
BECOME PREVAILING NORTHWESTERLY BY 18Z.

&&

.FIRE WEATHER...YESTERDAYS COLD FRONT HAS LEFT A DRY AIRMASS OVER
NORTHERN AND WESTERN UTAH...WHICH SHOULD HELP RESTRICT SHOWER AND
THUNDERSTORM ACTIVITY TO SOUTHERN AND EASTERN UTAH THROUGH SATURDAY.

IN SOUTHWEST UTAH...GUSTY SOUTHWEST WINDS WILL DEVELOP YET AGAIN
THIS AFTERNOON...AND WILL LIKELY COMBINE WITH LOW RELATIVE HUMIDITIES
TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS IN ZONES 492 AND
495...SO A RED FLAG WARNING REMAINS IN EFFECT FOR THOSE ZONES.
SURFACE MOISTURE IS INCREASING ACROSS THESE ZONES SO MIN HUMIDITY
MAY BE ONLY BORDERLINE CRITICAL THIS AFTERNOON...ESPECIALLY FOR THE
SOUTHERN HALF OF THOSE ZONES.

ISOLATED CRITICAL CONDITIONS MAY BE POSSIBLE IN OTHER PARTS OF
WESTERN AND CENTRAL UTAH. WINDS FOR SATURDAY INTO THE BEGINNING OF
NEXT WEEK SHOULD BE CONSIDERABLY LIGHTER...AS HIGH PRESSURE BUILDS
OVER THE AREA.

MOISTURE WILL MOVE NORTHWARD LATE SATURDAY INTO EARLY NEXT WEEK. DRY
ANTECEDENT CONDITIONS ACROSS PORTIONS OF WEST CENTRAL AND
NORTHWESTERN UTAH MAY PROMPT ADDITIONAL HIGHLIGHTS FOR LIGHTNING AS
STORM ACTIVITY WILL BE ON THE RISE FROM SOUTH TO NORTH...ESPECIALLY
SUNDAY AFTERNOON.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING FOR UTZ492-495.

WY...NONE.
&&

$$

KRUSE/MERRILL/TRAPHAGAN

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION
VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.