Alert archive / Wyoming / Wind Chill Warnings in 2011
Wind Chill Warning 1, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind chill warning at Jan 31, 2011, 8:57 PM MST for Uinta County, Wyoming. It took effect at Feb 1, 2011, 10:00 AM MST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 31, 2011, 8:57 PM MST (03:57 UTC)
- In effect from
- Feb 1, 2011, 10:00 AM MST
- Expired
- Feb 2, 2011, 3:44 AM MST
- In force
- 18 hr
- Issued by
- NWS Salt Lake City, UT
County Uinta County, WY
The radar
The Salt Lake City radar (KMTX), 159 km from the middle of the area, began a volume at 03:58 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 4.0 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1165 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
090 WWUS45 KSLC 010357 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 857 PM MST MON JAN 31 2011 ...TRAVEL ANTICIPATED TO BE IMPACTED BY SNOW AND BLOWING SNOW TONIGHT AND TUESDAY... .AN ARCTIC FRONT PUSHING IN FROM THE NORTHEAST WILL BRING LIGHT AND FLUFFY SNOWFALL...BITTERLY COLD TEMPS...AND INCREASING NORTHEASTERLY WINDS LATER TONIGHT THROUGH TUESDAY. ALTHOUGH SNOWFALL TOTALS ARE NOT EXPECTED TO BE OVERLY SIGNIFICANT...COLD ROAD TEMPERATURES WILL PROMOTE RAPID ACCUMULATION BEFORE AND THROUGH THE TUESDAY MORNING COMMUTE. AS COLD AIR FILTERS IN FROM WYOMING SNOWFALL WILL END DURING THE MID TO LATE MORNING MORNING BUT NORTHEASTERLY WINDS WILL INCREASE SIGNIFICANTLY LATE MORNING...HOLDING THROUGH THE AFTERNOON HOURS. WINDS WILL BE STRONG ENOUGH TO BLOW AND DRIFT THE NEW SNOWFALL IN AND NEAR THE CANYONS AND ACROSS SOUTHWEST WYOMING AND THE WASATCH BACK. WYZ021-011300- /O.NEW.KSLC.WC.W.0001.110201T1700Z-110202T1700Z/ /O.EXA.KSLC.WW.Y.0005.110201T0600Z-110202T0200Z/ SOUTHWEST WYOMING- INCLUDING THE CITY OF...EVANSTON 857 PM MST MON JAN 31 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM MST TUESDAY... ...WIND CHILL WARNING IN EFFECT FROM 10 AM TUESDAY TO 10 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 10 AM TUESDAY TO 10 AM MST WEDNESDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT UNTIL 7 PM MST TUESDAY. * AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON AND INTERSTATE 80. * SNOW ACCUMULATIONS: TOTAL ACCUMULATIONS OF 2 TO 4 INCHES IS EXPECTED * TIMING: SNOW WILL CONTINUE TO DEVELOP EARLY TONIGHT AND CONTINUE AT TIMES THROUGH TUESDAY. * WINDS: EASTERLY WINDS WILL INCREASE TUESDAY MORNING AND CONTINUE INTO THE EARLY EVENING. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. WIND CHILLS ARE FORECAST TO FALL BELOW 30 BELOW TUESDAY AND TUESDAY NIGHT. * IMPACTS: THIS STORM WILL PRIMARILY IMPACT TRAVEL ON TUESDAY. RAPID ACCUMULATIONS TO AREA ROADWAYS ARE EXPECTED THROUGH THE MORNING. THE INCREASING EASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ007-011300- /O.NEW.KSLC.WC.W.0001.110201T1700Z-110202T1700Z/ /O.EXA.KSLC.WW.Y.0005.110201T0600Z-110202T0200Z/ WASATCH MOUNTAINS I-80 NORTH- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH 857 PM MST MON JAN 31 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM MST TUESDAY FOR WEBER AND PARLEYS CANYONS... ...WIND CHILL WARNING IN EFFECT FROM 10 AM TUESDAY TO 10 AM MST WEDNESDAY FOR THE BEAR RIVER VALLEY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WIND CHILL WARNING FOR THE BEAR RIVER VALLEY...WHICH IS IN EFFECT FROM 10 AM TUESDAY TO 10 AM MST WEDNESDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED FOR WEBER AND PARLEYS CANYONS. THIS WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT UNTIL 7 PM MST TUESDAY. * AFFECTED AREA: SNOW IN WEBER AND PARLEYS CANYONS...COLD WIND CHILLS ACROSS BEAR RIVER VALLEY. * SNOW ACCUMULATIONS: TOTAL ACCUMULATIONS OF 2 TO 4 INCHES IS EXPECTED. * TIMING: SNOW WILL FILL IN DURING THE MIDDLE OF THE NIGHT AND CONTINUE THROUGH MID MORNING TUESDAY BEFORE DISSIPATING. * WINDS: EASTERLY WINDS WILL INCREASE TUESDAY MORNING AND CONTINUE INTO THE EARLY EVENING. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. WIND CHILLS ARE FORECAST TO FALL BELOW 30 BELOW TUESDAY AND TUESDAY NIGHT. * IMPACTS: THIS STORM WILL PRIMARILY IMPACT TRAVEL ON TUESDAY. RAPID ACCUMULATIONS TO AREA ROADWAYS ARE EXPECTED THROUGH THE MORNING COMMUTE. THE INCREASING EASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND ON/OFF RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ001-011300- /O.EXB.KSLC.WW.Y.0005.110201T0600Z-110201T1600Z/ CACHE VALLEY/UTAH PORTION- INCLUDING THE CITIES OF...LOGAN...SMITHFIELD 857 PM MST MON JAN 31 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM MST TUESDAY. * AFFECTED AREA: THE CACHE VALLEY INCLUDING LOGAN AND SMITHFIELD. * SNOW ACCUMULATIONS:TOTAL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED. * TIMING: SNOW WILL DEVELOP OVERNIGHT AND AND END BY MID MORNING TUESDAY. * WINDS: BREEZY NORTHERLY WINDS OF 15 TO 25 MPH ARE EXPECTED. WINDS WILL BE STRONGEST NEAR CANYON MOUTHS AS SNOW DISSIPATES MID MORNING. * IMPACTS: NEW SNOWFALL WILL RAPIDLY ACCUMULATE ON AREA ROADWAYS PRIOR TO THE MORNING COMMUTE. ROAD SNOW AND ICE IS LIKELY...ESPECIALLY ON UNTREATED SURFACES AND DURING HEAVIER SNOWFALL PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ UTZ002>004-011300- /O.CON.KSLC.WW.Y.0005.110201T0900Z-110201T1600Z/ NORTHERN WASATCH FRONT-SALT LAKE AND TOOELE VALLEYS- SOUTHERN WASATCH FRONT- INCLUDING THE CITIES OF...BRIGHAM CITY...OGDEN...BOUNTIFUL... SALT LAKE CITY...TOOELE...LEHI...PROVO...NEPHI 857 PM MST MON JAN 31 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM MST TUESDAY... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT FROM 2 AM TO 9 AM MST TUESDAY. * AFFECTED AREA: THE WASATCH FRONT FROM THE IDAHO LINE SOUTH TO THE SALT LAKE VALLEY...AND THE BENCHES OF THE SOUTHERN WASATCH FRONT. * SNOW ACCUMULATIONS: TOTAL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED. * TIMING: SNOW WILL DEVELOP ACROSS THE NORTHERN WASATCH FRONT LATE TONIGHT THEN WORK SOUTH REACHING THE OGDEN AREA BY 3 TO 4 AM...THE SALT LAKE AREA BY 4 TO 5 AM...AND THE SPANISH FORK AREA BY 5 TO 6 AM. * WINDS: BREEZY NORTHERLY WINDS OF 15 TO 25 MPH ARE EXPECTED. WINDS WILL BE STRONGEST NEAR CANYON MOUTHS AS SNOW DISSIPATES MID MORNING. * IMPACTS: NEW SNOWFALL WILL RAPIDLY ACCUMULATE ON AREA ROADWAYS PRIOR TO AND DURING THE MORNING COMMUTE. ROAD SNOW AND ICE IS LIKELY...ESPECIALLY ON UNTREATED SURFACES AND DURING HEAVIER SNOWFALL PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW ACCUMULATIONS WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS. USE CAUTION WHILE DRIVING. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ UTZ006-011300- /O.CON.KSLC.WW.Y.0005.110201T0600Z-110202T0200Z/ WASATCH MOUNTAIN VALLEYS- INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY 857 PM MST MON JAN 31 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST TUESDAY... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL 7 PM MST TUESDAY. * AFFECTED AREA: THE WASATCH MOUNTAIN VALLEYS...INCLUDING PARK CITY...HEBER CITY...AND THE INTERSTATE 80 AND 84 CORRIDORS. * SNOW ACCUMULATIONS: TOTAL ACCUMULATIONS OF 2 TO 4 INCHES IS EXPECTED. * TIMING: SNOW WILL DEVELOP AROUND THE MIDDLE OF THE NIGHT TONIGHT AND CONTINUE THROUGH MID MORNING TUESDAY BEFORE DISSIPATING. * WINDS: NORTHEASTERLY WINDS WILL INCREASE LATE TUESDAY MORNING AND CONTINUE INTO THE EARLY EVENING. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. * IMPACTS: THIS STORM WILL PRIMARILY IMPACT TRAVEL ON TUESDAY. RAPID ACCUMULATIONS TO AREA ROADWAYS ARE EXPECTED THROUGH THE MORNING COMMUTE. THE INCREASING NORTHEASTERLY WINDS IN THE AFTERNOON ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ ROGOWSKI FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
5 follow-up statements
831 WWUS45 KSLC 011145 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 445 AM MST TUE FEB 1 2011 ...TRAVEL ANTICIPATED TO BE IMPACTED BY SNOW AND BLOWING SNOW... .AN ARCTIC FRONT PUSHING ACROSS THE AREA WILL CONTINUE TO BRING LIGHT AND FLUFFY SNOWFALL...BITTERLY COLD TEMPERATURES...AND GUSTY NORTHEASTERLY WINDS TODAY. ALTHOUGH SNOWFALL TOTALS ARE NOT EXPECTED TO BE SIGNIFICANT...COLD ROAD TEMPERATURES WILL PROMOTE ACCUMULATIONS BEFORE AND THROUGH THE MORNING COMMUTE. AS COLD AIR FILTERS IN FROM WYOMING...SNOWFALL WILL END DURING THE MORNING HOURS BUT GUSTY NORTHEASTERLY WINDS WILL CONTINUE THROUGH THE AFTERNOON. WINDS WILL BE STRONG ENOUGH TO BLOW AND DRIFT THE NEW SNOWFALL IN AND NEAR THE CANYONS AND ACROSS SOUTHWEST WYOMING AND THE WASATCH BACK. IN ADDITION...THE COLD TEMPERATURES COMBINED WITH THE WINDS WILL RESULT IN DANGEROUS WIND CHILLS ACROSS PORTIONS OF NORTHEAST UTAH AND SOUTHWEST WYOMING THROUGH TONIGHT. UTZ001-002-011245- /O.CAN.KSLC.WW.Y.0005.000000T0000Z-110201T1600Z/ CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- INCLUDING THE CITIES OF...LOGAN...SMITHFIELD...BRIGHAM CITY... OGDEN...BOUNTIFUL 445 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WINTER WEATHER ADVISORY FOR SNOW FOR THE CACHE VALLEY AND THE NORTHERN WASATCH FRONT. SNOW HAS TAPERED OFF ACROSS THE CACHE VALLEY AND THE MOST OF THE NORTHERN WASATCH FRONT THIS MORNING. LITTLE OR NO ADDITIONAL ACCUMULATION IS EXPECTED. HOWEVER...ROADWAYS MAY BE SLIPPERY WHERE EARLIER SNOW ACCUMULATIONS HAVE TURNED TO ICE. $$ WYZ021-011900- /O.CON.KSLC.WC.W.0001.110201T1700Z-110202T1700Z/ /O.CON.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ SOUTHWEST WYOMING- INCLUDING THE CITY OF...EVANSTON 445 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY... A WIND CHILL WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY. A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON AND INTERSTATE 80. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 INCH OR LESS IS EXPECTED TROUGH THIS MORNING. HOWEVER...SIGNIFICANT AMOUNTS OF BLOWING SNOW CAN BE EXPECTED THROUGH THE DAY. * TIMING: LIGHT SNOW WILL GRADUALLY TAPER OFF THIS MORNING. GUSTY WINDS WILL CONTINUE THROUGH THE EARLY EVENING HOURS BEFORE GRADUALLY DECREASING. * WINDS: EASTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN -30 TO -40 DEGREES ARE EXPECTED. * IMPACTS: THIS STORM WILL PRIMARILY IMPACT TRAVEL TODAY. GUSTY EASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511. && $$ UTZ007-011900- /O.CON.KSLC.WC.W.0001.110201T1700Z-110202T1700Z/ /O.CON.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ WASATCH MOUNTAINS I-80 NORTH- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH 445 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING FOR WEBER AND PARLEYS CANYONS... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY FOR THE BEAR RIVER VALLEY... A WIND CHILL WARNING FOR THE BEAR RIVER VALLEY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY. A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA: SNOW AND BLOWING SNOW IN WEBER AND PARLEYS CANYONS...COLD WIND CHILLS ACROSS THE BEAR RIVER VALLEY. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF UP TO 1 INCH IS EXPECTED TROUGH THIS MORNING. HOWEVER...SIGNIFICANT AMOUNTS OF BLOWING SNOW CAN BE EXPECTED THROUGH THE DAY. * TIMING: SNOW WILL GRADUALLY TAPER OFF THIS MORNING. GUSTY WINDS WILL CONTINUE THROUGH THE EARLY EVENING HOURS BEFORE DECREASING. * WINDS: EASTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN -30 TO -40 DEGREES ARE EXPECTED. * IMPACTS: THIS STORM WILL PRIMARILY IMPACT TRAVEL TODAY. GUSTY EASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ UTZ003-004-011600- /O.CON.KSLC.WW.Y.0005.000000T0000Z-110201T1600Z/ SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT- INCLUDING THE CITIES OF...SALT LAKE CITY...TOOELE...LEHI... PROVO...NEPHI 445 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING. * AFFECTED AREA: THE SALT LAKE VALLEY AND TOOELE VALLEYS...AND THE BENCHES OF THE SOUTHERN WASATCH FRONT. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF LOCALLY UP TO 1 INCH IS EXPECTED. * TIMING: SNOW WILL CONTINUE ACROSS THE CENTRAL AND SOUTHERN WASATCH FRONT AND TOOELE VALLEYS THROUGH THE EARLY MORNING HOURS BEFORE TAPERING OFF. * WINDS: BREEZY NORTHERLY WINDS OF 15 TO 25 MPH ARE EXPECTED. WINDS WILL BE STRONGEST NEAR CANYON MOUTHS AS SNOW DISSIPATES MID MORNING. * IMPACTS: NEW SNOWFALL WILL ACCUMULATE ON AREA ROADWAYS PRIOR TO AND DURING THE MORNING COMMUTE. ROAD SNOW AND ICE IS LIKELY...ESPECIALLY ON UNTREATED SURFACES AND DURING HEAVIER SNOWFALL PERIODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW ACCUMULATIONS WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS. USE CAUTION WHILE DRIVING. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ UTZ006-011900- /O.CON.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ WASATCH MOUNTAIN VALLEYS- INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY 445 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA: THE WASATCH MOUNTAIN VALLEYS...INCLUDING PARK CITY...HEBER CITY...AND THE INTERSTATE 80 AND 84 CORRIDORS. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF LOCALLY AROUND 1 INCH IS EXPECTED. * TIMING: SNOW WILL CONTINUE ACROSS THE WASATCH MOUNTAIN VALLEYS FROM I-84 SOUTHWARD THROUGH THE MORNING HOURS BEFORE TAPERING OFF. GUSTY WINDS WILL CONTINUE INTO THE EARLY EVENING HOURS BEFORE DECREASING. * WINDS: NORTHEASTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. * IMPACTS: THIS STORM WILL PRIMARILY IMPACT TRAVEL TODAY. ACCUMULATIONS ON AREA ROADWAYS ARE EXPECTED THROUGH THE MORNING COMMUTE. GUSTY NORTHEASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
763 WWUS45 KSLC 011350 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 650 AM MST TUE FEB 1 2011 UTZ007-012300- /O.CAN.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ /O.CON.KSLC.WC.W.0001.110201T1700Z-110202T1700Z/ WASATCH MOUNTAINS I-80 NORTH- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH 650 AM MST TUE FEB 1 2011 ...WIND CHILL WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY FOR THE BEAR RIVER VALLEY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IN WEBER AND PARLEYS CANYONS. A WIND CHILL WARNING FOR THE BEAR RIVER VALLEY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY. * AFFECTED AREA: THE BEAR RIVER VALLEY. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN -30 TO -40 DEGREES ARE EXPECTED FROM LATE THIS MORNING THROUGH EARLY WEDNESDAY MORNING. * IMPACTS: THE COLD WIND CHILLS WILL IMPACT THOSE WORKING OR RECREATING OUTDOORS. IN PARTICULAR...AREAS OF EXPOSED SKIN WILL BE SUSCEPTIBLE TO FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ003-004-011500- /O.CAN.KSLC.WW.Y.0005.000000T0000Z-110201T1600Z/ SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT- INCLUDING THE CITIES OF...SALT LAKE CITY...TOOELE...LEHI... PROVO...NEPHI 650 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WINTER WEATHER ADVISORY FOR SNOW FOR THE SALT LAKE AND TOOELE VALLEYS AND THE SOUTHERN WASATCH FRONT. SNOW HAS DECREASED ACROSS THE SALT LAKE AND TOOELE VALLEYS AND THE SOUTHERN WASATCH FRONT THIS MORNING. LITTLE OR NO ADDITIONAL ACCUMULATION IS EXPECTED. HOWEVER...ROADWAYS MAY BE SLIPPERY WHERE EARLIER SNOW ACCUMULATIONS HAVE TURNED TO ICE. $$ WYZ021-012300- /O.CON.KSLC.WC.W.0001.110201T1700Z-110202T1700Z/ /O.CON.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ SOUTHWEST WYOMING- INCLUDING THE CITY OF...EVANSTON 650 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY... A WIND CHILL WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM MST WEDNESDAY. A WINTER WEATHER ADVISORY FOR BLOWING SNOW REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON AND INTERSTATE 80. * SNOW ACCUMULATIONS: ALTHOUGH LITTLE OR NO ADDITIONAL ACCUMULATION IS EXPECTED...SIGNIFICANT AMOUNTS OF BLOWING SNOW WILL OCCUR THROUGH THE DAY. * TIMING: GUSTY WINDS WILL CONTINUE THROUGH THE EARLY EVENING HOURS BEFORE GRADUALLY DECREASING. * WINDS: EASTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN -30 TO -40 DEGREES ARE EXPECTED. * IMPACTS: GUSTY EASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. THE COLD WIND CHILLS WILL IMPACT THOSE WORKING OR RECREATING OUTDOORS. IN PARTICULAR...AREAS OF EXPOSED SKIN WILL BE SUSCEPTIBLE TO FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.WYOROAD.INFO OR DIAL 511. && $$ UTZ006-012300- /O.CON.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ WASATCH MOUNTAIN VALLEYS- INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY 650 AM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... A WINTER WEATHER ADVISORY FOR BLOWING SNOW REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA: THE WASATCH MOUNTAIN VALLEYS INCLUDING PARK CITY...HEBER CITY AND THE INTERSTATE 80 AND 84 CORRIDORS. * SNOW ACCUMULATIONS: ALTHOUGH LITTLE OR NO ADDITIONAL ACCUMULATION IS EXPECTED...SIGNIFICANT AMOUNTS OF BLOWING SNOW WILL OCCUR THROUGH THE DAY. * TIMING: GUSTY WINDS WILL CONTINUE INTO THE EARLY EVENING HOURS BEFORE DECREASING. * WINDS: NORTHEASTERLY WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. * IMPACTS: GUSTY NORTHEASTERLY WINDS ARE EXPECTED TO BLOW AND DRIFT NEW SNOW ACROSS TRAVEL LANES IN EXPOSED AREAS AND RAMPS. BRIEF REDUCTIONS IN VISIBILITY ARE LIKELY DUE TO SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION VISIT...HTTP://WWW.COMMUTERLINK.UTAH.GOV OR DIAL 511. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
432 WWUS45 KSLC 012151 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 251 PM MST TUE FEB 1 2011 WYZ021-020600- /O.CAN.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ /O.CON.KSLC.WC.W.0001.000000T0000Z-110202T1700Z/ SOUTHWEST WYOMING- INCLUDING THE CITY OF...EVANSTON 251 PM MST TUE FEB 1 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW. A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY. * AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN 30 TO 40 DEGREES BELOW ZERO ARE EXPECTED THROUGH EARLY WEDNESDAY MORNING. * IMPACTS: THE COLD WIND CHILLS WILL IMPACT THOSE WORKING OR RECREATING OUTDOORS. IN PARTICULAR...AREAS OF EXPOSED SKIN WILL BE SUSCEPTIBLE TO FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ006-012300- /O.CAN.KSLC.WW.Y.0005.000000T0000Z-110202T0200Z/ WASATCH MOUNTAIN VALLEYS- INCLUDING THE CITIES OF...HUNTSVILLE...PARK CITY...HEBER CITY 251 PM MST TUE FEB 1 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW ACROSS THE WASATCH MOUNTAIN VALLEYS. WINDS WILL CONTINUE TO DIMINISH THIS EVENING. $$ UTZ007-020600- /O.CON.KSLC.WC.W.0001.000000T0000Z-110202T1700Z/ WASATCH MOUNTAINS I-80 NORTH- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH 251 PM MST TUE FEB 1 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY FOR THE BEAR RIVER VALLEY... A WIND CHILL WARNING FOR THE BEAR RIVER VALLEY REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY. * AFFECTED AREA: THE BEAR RIVER VALLEY INCLUDING RANDOLPH AND WOODRUFF. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN 30 TO 40 DEGREES BELOW ZERO ARE EXPECTED THROUGH EARLY WEDNESDAY MORNING. * IMPACTS: THE COLD WIND CHILLS WILL IMPACT THOSE WORKING OR RECREATING OUTDOORS. IN PARTICULAR...AREAS OF EXPOSED SKIN WILL BE SUSCEPTIBLE TO FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
942 WWUS45 KSLC 020328 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 828 PM MST TUE FEB 1 2011 WYZ021-021200- /O.CON.KSLC.WC.W.0001.000000T0000Z-110202T1700Z/ SOUTHWEST WYOMING- INCLUDING THE CITY OF...EVANSTON 828 PM MST TUE FEB 1 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY. * AFFECTED AREA: SOUTHWEST WYOMING INCLUDING EVANSTON. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN 30 TO 40 DEGREES BELOW ZERO ARE EXPECTED THROUGH EARLY WEDNESDAY MORNING. * IMPACTS: THE COLD WIND CHILLS WILL IMPACT THOSE WORKING OR RECREATING OUTDOORS. IN PARTICULAR...AREAS OF EXPOSED SKIN WILL BE SUSCEPTIBLE TO FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ007-021200- /O.CON.KSLC.WC.W.0001.000000T0000Z-110202T1700Z/ WASATCH MOUNTAINS I-80 NORTH- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH 828 PM MST TUE FEB 1 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY FOR THE BEAR RIVER VALLEY... A WIND CHILL WARNING FOR THE BEAR RIVER VALLEY REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY. * AFFECTED AREA: THE BEAR RIVER VALLEY INCLUDING RANDOLPH AND WOODRUFF. * WIND CHILL VALUES: WIND CHILLS OF BETWEEN 30 TO 40 DEGREES BELOW ZERO ARE EXPECTED THROUGH EARLY WEDNESDAY MORNING. * IMPACTS: THE COLD WIND CHILLS WILL IMPACT THOSE WORKING OR RECREATING OUTDOORS. IN PARTICULAR...AREAS OF EXPOSED SKIN WILL BE SUSCEPTIBLE TO FROSTBITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ ROGOWSKI FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
952 WWUS45 KSLC 021044 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 344 AM MST WED FEB 2 2011 UTZ007-WYZ021-021145- /O.CAN.KSLC.WC.W.0001.000000T0000Z-110202T1700Z/ WASATCH MOUNTAINS I-80 NORTH-SOUTHWEST WYOMING- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...EVANSTON 344 AM MST WED FEB 2 2011 ...WIND CHILL WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WIND CHILL WARNING FOR THE BEAR RIVER VALLEY AND SOUTHWEST WYOMING. WINDS HAVE DECREASED BELOW 10 MPH IN THE BEAR RIVER VALLEY AND SOUTHWEST WYOMING. ALTHOUGH VERY COLD TEMPERATURES CAN BE EXPECTED THROUGHOUT THE DAY...THE WIND CHILL IS NOT EXPECTED TO BE SIGNIFICANTLY LOWER THAN THE ACTUAL AIR TEMPERATURE. $$ FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
What forecasters said that day
The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Salt Lake City, UT wrote its last area forecast discussion before this wind chill warning went out at Jan 31, 5:00 PM MST, 3 hours 57 minutes earlier.
Area forecast discussion, Jan 31, 5:00 PM MST, 3 hours 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
500 PM MST MON JAN 31 2011
.SYNOPSIS...A VERY COLD SYSTEM DROPPING OUT OF WESTERN CANADA
WILL TRACK INTO UTAH LATE TONIGHT THROUGH TUESDAY SURGING AN
ARCTIC FRONT THROUGH THE STATE. HIGH PRESSURE WILL RETURN MIDWEEK.
&&
.DISCUSSION...THE STATE REMAINS IN THE COL BETWEEN A DEPARTING
TROUGH TO OUR SOUTH AND AN APPROACHING ARCTIC FRONT/TROUGH TO THE
NORTH. WEAK COLD ADVECTION WITHIN COL EARLIER TODAY HAS ENHANCED
LOW LEVEL LAPSE RATES PROMOTING DESTABILIZATION BELOW ROUGHLY
600MB. OUTCOME OF SAID DESTABILAZATION HAS ALLOWED VALLEYS TO MIX
OUT WITH AN IMPROVEMENT TO AIR QUALITY A SIGNIFICANT PLUS. THIS
AFTERNOON HAS SEEN A TRANSITION TO WEAK WARM ADVECTION AND
ENHANCED LIFT IN ADVANCE OF FRONTAL FEATURE. INSTABILITY SNOW SHOWERS FROM
RESIDUAL MOISTURE IN PLACE HAVE BEEN THE RESULT...FAIRLY
WIDESPREAD ACROSS THE NORTH. VERY LITTLE IMPACT TO NOTE...OUTSIDE
OF UP TO 10 INCHES NEW SNOW IN THE COTTONWOODS.
A QUICK LOOK AT GROUND TRUTH...THE ARCTIC FRONTS CURRENT POSITION
DRAPES ALONG AND EAST OF THE CONTINENTAL DIVIDE IN WESTERN
WYOMING...MANY VALLEY AREAS ARE ALREADY SUB ZERO PER MESOWEST. UPPER
ELEVATION SITES INDICATE THIS INITIAL SURGE OF VERY COLD AIR IS
QUITE SHALLOW AS MOUNTAIN TOP OBS IN MANY AREAS OF WESTERN WYOMING
NOT REALIZING THE WIND AND OR TEMP DROP YET.
DEPTH OF COLD INTRUSION WILL INCREASE RAPIDLY OVER THE NEXT
SEVERAL HOURS AS THE SHORT WAVE NOTICED OVER THE IDAHO PANHANDLE
(IN WATER VAPOR) CONTINUES TO DRIVE SOUTH THROUGH THE NORTHERN
ROCKIES. THIS SURGE WILL ALLOW THE ARCTIC AIR TO SLOP SOUTH AND
WEST OVER THE DIVIDE AND INTO UTAH LATER TONIGHT AND THROUGH
TUESDAY. THE ARCITC FRONT WILL LEAD THE SURGE.
FOCUS THIS SHIFT HAS REVOLVED AROUND ANTICIPATED IMPACTS REGARDING
THE NORTHERN TROUGH AND ITS ASSOCIATED ARCTIC COLD FRONT. IMPACTS
COME IN TWO FOLD INITIALLY...SNOW AND WIND. FIRST THE SNOW...TOTAL SNOW
ACCUMULATIONS WILL REMAIN ON THE LIGHT SIDE AS THE APPROACHING
ARCTIC FRONT IS QUITE MOISTURE STARVED. THAT SAID...IT WILL BE A
FAIRLY DYANAMIC FEATURE WITH MODERATE F-GEN DRIVEN BY STRONG PVA
AND UPPER EXIT REGION OF A 120KT JET ALOFT (PER NAM/GFS). LOOKS
GOOD FOR A QUICK 1 TO 2 INCHES OF SNOW ALONG THE WASATCH FRONT
JUST IN TIME FOR THE MORNING COMMUTE. VERY COLD TEMPS AND BREEZY
NORTHERLY WINDS WILL PROMOTE RAPID ACCUMULATION ON AREA ROADWAYS.
SOLE PURPOSE OF ISSUING LATEST SNOW ADIVISORY FOR THE VALLEYS IS
TO ACCOUNT FOR THIS EXPECTED TRAVEL IMPACT TOMORROW MORNING.
SAME GOES FOR THE WASATCH BACK SNOW AND BLOWING SNOW
ADVISORY...TOTALLY IMPACT BASED AS TRAVEL IS EXPECTED TO BE AFFECTED
THE MOST. HAVE SEPERATED THE VALLEYS FROM THE MOUNTAIN
VALLEYS/INTERSTATE CANYON AREAS AS WINDS AND TRANSPORTABLE SNOW
WILL BE MORE SIGNIFICANT THERE...AND IMPACT SHOULD CONTINUE INTO
THE EARLY EVENING DUE TO BLOWING AND DRIFTING OF SNOW. REFER TO
WSW PRODUCT FOR FURTHER DETAIL.
LIGHT SNOWFALL WILL ACCOMPANY THE ARCTIC FRONT THROUGH CENTRAL AND
SOUTHERN UTAH TOMORROW...THOUGH IMPACTS SHOULD BE LESS SEVERE MOST
AREAS AS DYNAMICS BEGIN TO DWINDLE. THAT SAID...DO HAVE CONCERN
FOR ROAD SNOW IN THE EVER PROBLEMATIC COVE FORT AREA AND
SURROUNDING PASSES ALONG THE SOUTHERN I-15 CORRIDOR. FAVORED OROGRAPHIC
TERRAIN SHOULD PROMOTE AN ENHANCEMENT OF SNOW THERE. LATER SHIFTS TO
LOOK AT THIS POTENTIAL.
CANYON WINDS IN THE NORTH...LOOKS GOOD FOR AN ENHANCED CANYON WIND
EVENT STARTING TOMORROW AFTERNOON LASTING THROUGH WEDNESDAY
MORNING. LOOKS SUB ADVISORY AT THIS TIME BUT BLOWING SNOW MAY VERY
WELL BE AN ISSUE...ESPECIALLY PARLEYS CANYON.
WASHINGTON COUNTY AND SURROUNDING MOUNTAIN WINDS...LOOKS LIKE A
SLAM DUNK HIGH END WIND ADVISORY FOR THIS REGION. THE CONTINUED
SURGE OF THE ARCTIC FRONT WILL DRIVE GUSTY GAP WINDS IN THE
VALLEYS AND STRONG WINDS IN THE MOUNTAINS OF SOUTHWEST UTAH. 40KT
700MB FLOW...A 5+MB GRADIENT FROM CEDAR CITY TO VEGAS...AND
SIGNIFICANT COLD ADVECTION WILL DEVELOP TUESDAY AFTERNOON AND
MAINTAIN STRUCTURE THROUGH WEDNESDAY AFTERNOON. HAVE ISSUED WIND
ADVISORY FOR THAT PERIOD.
BOTTOM LINE FOR MIDWEEK...BITTER COLD TEMPS STATEWIDE. EVEN THE
WARMEST VALLEY LOCALS OF THE WASATCH FRONT WILL APPROACH 0 DEGREES
F WEDNESDAY MORNING...WITH HIGHS STRUGGLING TO REACH 20F THAT AFTERNOON.
BEST BET IS TO PREPARE FOR A MAJOR CHANGE AND A RETURN TO WINTER.
HIGH PRESSURE TO MOVE IN ALOFT WEDNESDAY INTO THURSDAY...WARMING
TO BE REALIZED IN THE MOUNTAINS BUT THE VALLEYS LOOK TO BECOME
INVERTED ONCE AGAIN.
&&
.AVIATION...CIGS AT THE SLC TERMINAL ARE EXPECTED TO REMAIN BETWEEN
5000 AND 6000 FEET THROUGH THE AFTERNOON. SHOWERS IN THE AREA ARE
QUICKLY TAPERING OFF...BUT THERE IS THE POSSIBILITY THAT A LONE
SHOWER WILL CROSS THE TERMINAL...BRIEFLY LOWERING CIGS AND VISBYS
INTO THE IFR RANGE. AN APPROACHING ARCTIC FRONT WILL LOWER CIGS TO
AROUND 3000 FEET BETWEEN 5Z AND 6Z TONIGHT. THE FRONT IS EXPECTED
MOVE ACROSS THE TERMINAL BETWEEN 12Z AND 13Z...LOWERING CIGS AND
VISBYS INTO THE IFR RANGE.
&&
.SLC WATCHES/WARNINGS/ADVISORIES...
UT...WINTER WEATHER ADVISORY FROM 2 AM TO 9 AM MST TUESDAY FOR
UTZ002>004.
WINTER WEATHER ADVISORY FROM 11 PM THIS EVENING TO 7 PM MST
TUESDAY FOR UTZ006.
WIND ADVISORY FROM 10 AM TUESDAY TO 11 AM MST WEDNESDAY FOR
UTZ019-518.
WY...NONE.
&&
MERRILL/HOSENFELD
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)Hazardous weather outlook, Jan 31, 5:38 AM MST, 15 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 538 AM MST MON JAN 31 2011 UTZ001>016-019>021-517-518-WYZ021-011300- CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT- GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80- WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS- WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL- SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH- UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS- SOUTHERN MOUNTAINS-SOUTHWEST WYOMING- 538 AM MST MON JAN 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT SNOW SHOWERS WILL CONTINUE TODAY...MAINLY ACROSS SOUTHERN UTAH THIS MORNING AND OVER THE MOUNTAINS THIS AFTERNOON. HOWEVER...SNOW ACCUMULATIONS SHOULD REMAIN LIGHT. PATCHY FOG IS POSSIBLE THIS MORNING OVER SOME OF THE NORTHERN VALLEYS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE NEXT STORM SYSTEM WILL BRING VERY COLD TEMPERATURES TO THE AREA FOR TUESDAY AND WEDNESDAY. THERE WILL BE A CONTINUED THREAT OF LIGHT SNOW...MAINLY FOR THE MOUNTAINS AND PORTIONS OF EASTERN UTAH AND SOUTHWEST WYOMING ON TUESDAY. THIS SYSTEM IS EXPECTED TO SCOUR THE LAST OF THE INVERSIONS OUT OF THE NORTHERN VALLEYS BY TUESDAY AFTERNOON. STRONG NORTHERLY CANYON WINDS ARE POSSIBLE IN WASHINGTON COUNTY LATE TUESDAY AFTERNOON INTO THURSDAY MORNING. IN ADDITION...STRONG EASTERLY WINDS ARE POSSIBLE LATE TUESDAY INTO WEDNESDAY PRIMARILY NEAR CANYONS ALONG THE WASATCH FRONT...BUT THE GUSTY WINDS COULD POTENTIALLY AFFECT THE ENTIRE WASATCH FRONT AS WELL. THE COLD AIRMASS COMBINED WITH THE WINDS COULD RESULT IN VERY COLD WIND CHILLS OVER PORTIONS OF NORTHEAST UTAH AND SOUTHWEST WYOMING TUESDAY AND TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 10:41 AM MST | High Wind Warning | SLC | 17 hr |
Nearby
Wind Chill Warnings in Wyoming, 2011Wind Chill Warnings in Utah, 2011Every wind chill warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.