Alert archive / Wyoming / Wind Chill Warnings in 2014
Wind Chill Warning 1, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this wind chill warning at Dec 30, 2014, 2:36 AM MST for Uinta County, Wyoming. It was in force for 31 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
- Dec 30, 2014, 2:36 AM MST (09:36 UTC)
- Expired
- Dec 31, 2014, 10:00 AM MST
- In force
- 31 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 09:37 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, 9.6 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
- 816 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
298 WWUS45 KSLC 300936 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 236 AM MST TUE DEC 30 2014 UTZ013-016-020-021-518-302300- /O.UPG.KSLC.WS.A.0008.141231T0700Z-150101T2300Z/ /O.NEW.KSLC.WS.W.0012.141230T0936Z-150101T2300Z/ SAN RAFAEL SWELL-SOUTHWEST UTAH-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-SOUTHERN MOUNTAINS- INCLUDING THE CITIES OF...GREEN RIVER...HANKSVILLE...BEAVER... CEDAR CITY...MILFORD...KANAB...ESCALANTE...BULLFROG...LOA... PANGUITCH...BRYCE CANYON 236 AM MST TUE DEC 30 2014 ...WINTER STORM WARNING IN EFFECT UNTIL 4 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 4 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...MUCH OF SOUTHERN UTAH INCLUDING SOUTHWEST AND SOUTH CENTRAL UTAH...THE SOUTHERN MOUNTAINS...THE SAN RAFAEL SWELL AND THE LAKE POWELL AREA. * SNOW ACCUMULATIONS...10 TO 20 INCHES IS EXPECTED ACROSS THE HIGHER TERRAIN WITH 5 TO 10 INCHES ACROSS THE VALLEYS. LOCALLY HIGHER AMOUNTS ARE POSSIBLE...PARTICULARLY ALONG THE HIGHWAY 12 CORRIDOR INCLUDING THE ESCALANTE AND BOULDER AREAS. * TIMING...TWO EVENTS ARE FORECAST. THE FIRST WILL DEPOSIT LIGHT SNOW ALONG THE INTERSTATE 70 CORRIDOR THROUGH EARLY THIS EVENING. THE MAIN STORM DEVELOPS LATE TONIGHT AND PEAKS WEDNESDAY AFTERNOON AND EVENING...BEFORE ENDING THURSDAY. * WINDS...LOCALIZED GUSTS OF 30 TO 40 MPH FROM THE NORTHEAST ARE FORECAST THROUGH THURSDAY MORNING. * IMPACTS...TRAVEL ON INTERSTATE 70 MAY BE IMPACTED AS EARLY AS THIS MORNING DUE TO LIGHT SNOW QUICKLY ACCUMULATING ON COLD ROADS. THE MAIN STORM WILL IMPACT TRAVEL ACROSS THE REGION LATE TONIGHT THROUGH THURSDAY MORNING...INCLUDING PORTIONS OF THE I-15 AND HIGHWAY 89 CORRIDORS...AS WELL AS STATE ROUTES 12 AND 24. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SIGNIFICANT ACCUMULATIONS OF SNOW ARE EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ007-WYZ021-302300- /O.NEW.KSLC.WC.W.0001.141230T0936Z-141231T1700Z/ WASATCH MOUNTAINS I-80 NORTH-SOUTHWEST WYOMING- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...EVANSTON 236 AM MST TUE DEC 30 2014 ...WIND CHILL WARNING IN EFFECT UNTIL 10 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL 10 AM MST WEDNESDAY. * AFFECTED AREA...THE NORTHERN WASTACH MOUNTAINS AND SOUTHWEST WYOMING. * WIND CHILL READINGS...25 TO 40 DEGREES BELOW ZERO. * TIMING...THROUGH WEDNESDAY MORNING. * IMPACTS...THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ517-302300- /O.NEW.KSLC.WW.Y.0030.141230T0936Z-150101T2300Z/ CENTRAL MOUNTAINS- INCLUDING THE CITIES OF...COVE FORT...KOOSHAREM...FISH LAKE 236 AM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 4 PM MST THURSDAY. * AFFECTED AREA...THE CENTRAL UTAH MOUNTAINS. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...TWO EVENTS ARE FORECAST. THE FIRST WILL DEPOSIT LIGHT SNOW ALONG THE INTERSTATE 70 CORRIDOR THROUGH EARLY THIS EVENING. THE MAIN STORM DEVELOPS LATE TONIGHT AND PEAKS WEDNESDAY AFTERNOON AND EVENING...BEFORE ENDING THURSDAY. * IMPACTS...TRAVEL ON INTERSTATE 70 MAY BE IMPACTED AS EARLY AS THIS MORNING DUE TO LIGHT SNOW QUICKLY ACCUMULATING ON COLD ROADS. THE MAIN STORM WILL IMPACT TRAVEL ACROSS THE REGION LATE TONIGHT THROUGH THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW 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.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ015-302300- /O.NEW.KSLC.WW.Y.0030.141230T0936Z-141230T2300Z/ WEST CENTRAL UTAH- INCLUDING THE CITIES OF...DELTA...FILLMORE 236 AM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 4 PM MST THIS AFTERNOON. * AFFECTED AREA...WEST CENTRAL UTAH. * SNOW ACCUMULATIONS...1 TO 3 INCHES. * TIMING...DEVELOPING EARLY THIS MORNING...PEAKING LATE MORNING...BEFORE ENDING LATE THIS AFTERNOON. * IMPACTS...LIGHT SNOW WILL QUICKLY ACCUMULATE ON THE COLD ROADWAYS INCLUDING INTERSTATE 15...CAUSING WINTER DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT SNOW ACCUMULATIONS WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS. USE CAUTION WHILE DRIVING. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ019-302300- /O.NEW.KSLC.WW.Y.0031.141231T0600Z-150101T1100Z/ UTAHS DIXIE AND ZION NATIONAL PARK- INCLUDING THE CITY OF...ST GEORGE 236 AM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 4 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 4 AM MST THURSDAY. * AFFECTED AREA...UTAHS DIXIE. * SNOW ACCUMULATIONS...1 TO 3 INCHES. * TIMING...SNOW DEVELOPING AROUND MIDNIGHT TONIGHT...PEAKING WEDNESDAY MORNING...BEFORE BECOMING SHOWERY WEDNESDAY EVENING AND NIGHT. * WINDS...NORTHEAST WINDS WILL GUST TO AROUND 50 MPH ALONG THE INTERSTATE 15 CORRIDOR NORTH OF WASHINGTON...AND WESTERN WASHINGTON COUNTY ALONG THE BULL VALLEY AND PINE VALLEY MOUNTAINS. THESE STRONG WINDS ARE LARGELY EXPECTED TO REMAIN OUTSIDE OF THE ST. GEORGE AREA. * IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES ACROSS UTAHS DIXIE TONIGHT THROUGH WEDNESDAY NIGHT. EXPECT WINTER DRIVING CONDITIONS WITH SLICK ROADWAYS AND REDUCED VISIBILITIES. TRAVELERS ARE URGED TO LEAVE EXTRA TIME TO REACH THEIR DESTINATION. 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.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ ROGOWSKI FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... HTTP://UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
4 follow-up statements
953 WWUS45 KSLC 302147 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 247 PM MST TUE DEC 30 2014 UTZ015-302300- /O.CAN.KSLC.WW.Y.0030.000000T0000Z-141230T2300Z/ WEST CENTRAL UTAH- INCLUDING THE CITIES OF...DELTA...FILLMORE 247 PM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS CANCELLED THE WINTER WEATHER ADVISORY FOR WEST CENTRAL UTAH. INTERMITTENT SNOW SHOWERS WILL CONTINUE THROUGH THE REMAINDER OF THE AFTERNOON WITH LITTLE OR NO ADDITIONAL ACCUMULATION. $$ UTZ013-016-020-021-518-310600- /O.CON.KSLC.WS.W.0012.000000T0000Z-150101T2300Z/ SAN RAFAEL SWELL-SOUTHWEST UTAH-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-SOUTHERN MOUNTAINS- INCLUDING THE CITIES OF...GREEN RIVER...HANKSVILLE...BEAVER... CEDAR CITY...MILFORD...KANAB...ESCALANTE...BULLFROG...LOA... PANGUITCH...BRYCE CANYON 247 PM MST TUE DEC 30 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...MUCH OF SOUTHERN UTAH INCLUDING SOUTHWEST AND SOUTH CENTRAL UTAH...THE SOUTHERN MOUNTAINS...THE SAN RAFAEL SWELL AND THE LAKE POWELL AREA. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED ACROSS THE HIGHER TERRAIN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 6 TO 12 INCHES CAN BE EXPECTED ACROSS THE VALLEYS...THE GREATEST ACCUMULATIONS COMING ALONG THE HIGHWAY 12 CORRIDOR INCLUDING THE ESCALANTE...BOULDER AND TORREY AREAS. * TIMING...SNOW WILL BECOME MORE WIDESPREAD ACROSS THE AREA LATE TONIGHT...THEN BECOME HEAVY AT TIMES THROUGHOUT THE DAY WEDNESDAY AND INTO THURSDAY BEFORE TAPERING OFF. * WINDS...NORTHEAST WINDS OF 15 TO 25 MPH...WITH STRONGER WINDS ACROSS THE HIGHER TERRAIN...WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING OF SNOW AT TIMES THROUGH THURSDAY MORNING. * IMPACTS...TRAVEL WILL BE IMPACTED ACROSS THE REGION LATE TONIGHT THROUGH THURSDAY MORNING...INCLUDING PORTIONS OF THE I-15 AND HIGHWAY 89 CORRIDORS...AS WELL AS STATE ROUTES 12...24...143 AND 276 PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SIGNIFICANT ACCUMULATIONS OF SNOW ARE EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ007-WYZ021-310600- /O.CON.KSLC.WC.W.0001.000000T0000Z-141231T1700Z/ WASATCH MOUNTAINS I-80 NORTH-SOUTHWEST WYOMING- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...EVANSTON 247 PM MST TUE DEC 30 2014 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY... * AFFECTED AREA...THE NORTHERN WASTACH MOUNTAINS AND SOUTHWEST WYOMING. * WIND CHILL READINGS...25 TO 40 DEGREES BELOW ZERO. * TIMING...THROUGH WEDNESDAY MORNING. * IMPACTS...THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ517-310600- /O.CON.KSLC.WW.Y.0030.000000T0000Z-150101T2300Z/ CENTRAL MOUNTAINS- INCLUDING THE CITIES OF...COVE FORT...KOOSHAREM...FISH LAKE 247 PM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...THE CENTRAL UTAH MOUNTAINS. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...SNOW WILL BECOME MORE WIDESPREAD ACROSS THE AREA LATE TONIGHT...THROUGHOUT THE DAY WEDNESDAY AND INTO THURSDAY BEFORE TAPERING OFF. * IMPACTS...TRAVEL ON INTERSTATE 70 ALONG WITH OTHER AREA ROADWAYS MAY BE IMPACTED AT TIMES THROUGH THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW 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.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ019-310600- /O.CON.KSLC.WW.Y.0031.141231T0600Z-150101T1100Z/ UTAHS DIXIE AND ZION NATIONAL PARK- INCLUDING THE CITY OF...ST GEORGE 247 PM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 4 AM MST THURSDAY... * AFFECTED AREA...UTAHS DIXIE. * SNOW ACCUMULATIONS...1 TO 3 INCHES. * TIMING...SNOW DEVELOPING AROUND MIDNIGHT TONIGHT...PEAKING WEDNESDAY MORNING...BEFORE BECOMING SHOWERY WEDNESDAY EVENING AND NIGHT. * WINDS...NORTHEAST WINDS WILL GUST TO AROUND 50 MPH ALONG THE INTERSTATE 15 CORRIDOR NORTH OF WASHINGTON...AND WESTERN WASHINGTON COUNTY ALONG THE BULL VALLEY AND PINE VALLEY MOUNTAINS. THESE STRONG WINDS ARE LARGELY EXPECTED TO REMAIN OUTSIDE OF THE ST. GEORGE AREA. * IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES ACROSS UTAHS DIXIE TONIGHT THROUGH WEDNESDAY NIGHT. EXPECT WINTER DRIVING CONDITIONS WITH SLICK ROADWAYS AND REDUCED VISIBILITIES. TRAVELERS ARE URGED TO LEAVE EXTRA TIME TO REACH THEIR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... HTTP://UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
938 WWUS45 KSLC 310451 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 951 PM MST TUE DEC 30 2014 UTZ013-016-020-021-518-311300- /O.CON.KSLC.WS.W.0012.000000T0000Z-150101T2300Z/ SAN RAFAEL SWELL-SOUTHWEST UTAH-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-SOUTHERN MOUNTAINS- INCLUDING THE CITIES OF...GREEN RIVER...HANKSVILLE...BEAVER... CEDAR CITY...MILFORD...KANAB...ESCALANTE...BULLFROG...LOA... PANGUITCH...BRYCE CANYON 951 PM MST TUE DEC 30 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...MUCH OF SOUTHERN UTAH INCLUDING SOUTHWEST AND SOUTH CENTRAL UTAH...THE SOUTHERN MOUNTAINS...THE SAN RAFAEL SWELL AND THE LAKE POWELL AREA. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED ACROSS THE HIGHER TERRAIN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 6 TO 12 INCHES CAN BE EXPECTED ACROSS THE VALLEYS...THE GREATEST ACCUMULATIONS COMING ALONG THE HIGHWAY 12 CORRIDOR INCLUDING THE ESCALANTE... BOULDER AND TORREY AREAS. * TIMING...SNOW WILL BECOME MORE WIDESPREAD ACROSS THE AREA LATE TONIGHT...THEN BECOME HEAVY AT TIMES THROUGHOUT THE DAY WEDNESDAY AND INTO THURSDAY BEFORE TAPERING OFF. * WINDS...NORTHEAST WINDS OF 15 TO 25 MPH...WITH STRONGER WINDS ACROSS THE HIGHER TERRAIN...WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING OF SNOW AT TIMES THROUGH THURSDAY MORNING. * IMPACTS...TRAVEL WILL BE IMPACTED ACROSS THE REGION LATE TONIGHT THROUGH THURSDAY MORNING...INCLUDING PORTIONS OF THE I- 15 AND HIGHWAY 89 CORRIDORS...AS WELL AS STATE ROUTES 12... 24... 143 AND 276 PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SIGNIFICANT ACCUMULATIONS OF SNOW ARE EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ007-WYZ021-311300- /O.CON.KSLC.WC.W.0001.000000T0000Z-141231T1700Z/ WASATCH MOUNTAINS I-80 NORTH-SOUTHWEST WYOMING- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...EVANSTON 951 PM MST TUE DEC 30 2014 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST WEDNESDAY... * AFFECTED AREA...THE NORTHERN WASTACH MOUNTAINS AND SOUTHWEST WYOMING. * WIND CHILL READINGS...25 TO 35 DEGREES BELOW ZERO. * TIMING...THROUGH WEDNESDAY MORNING. * IMPACTS...THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ517-311300- /O.CON.KSLC.WW.Y.0030.000000T0000Z-150101T2300Z/ CENTRAL MOUNTAINS- INCLUDING THE CITIES OF...COVE FORT...KOOSHAREM...FISH LAKE 951 PM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...THE CENTRAL UTAH MOUNTAINS. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...SNOW WILL BECOME MORE WIDESPREAD ACROSS THE AREA LATE TONIGHT...THROUGHOUT THE DAY WEDNESDAY AND INTO THURSDAY BEFORE TAPERING OFF. * IMPACTS...TRAVEL ON INTERSTATE 70 ALONG WITH OTHER AREA ROADWAYS MAY BE IMPACTED AT TIMES THROUGH THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW 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.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ019-311300- /O.CON.KSLC.WW.Y.0031.141231T0600Z-150101T1100Z/ UTAHS DIXIE AND ZION NATIONAL PARK- INCLUDING THE CITY OF...ST GEORGE 951 PM MST TUE DEC 30 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM MST THURSDAY... * AFFECTED AREA...UTAHS DIXIE. * SNOW ACCUMULATIONS...1 TO 3 INCHES. * TIMING...PERIODS OF SNOW WILL DEVELOP LATE TONIGHT BEFORE PEAKING WEDNESDAY MORNING...THEN BECOMING SHOWERY WEDNESDAY EVENING INTO WEDNESDAY NIGHT. * WINDS...NORTHEAST WINDS WILL GUST TO AROUND 50 MPH ALONG THE INTERSTATE 15 CORRIDOR NORTH OF WASHINGTON...AND WESTERN WASHINGTON COUNTY ALONG THE BULL VALLEY AND PINE VALLEY MOUNTAINS. THESE STRONG WINDS ARE LARGELY EXPECTED TO REMAIN OUTSIDE OF THE ST. GEORGE AREA. * IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES ACROSS UTAHS DIXIE LATE TONIGHT THROUGH WEDNESDAY NIGHT. EXPECT WINTER DRIVING CONDITIONS WITH SLICK ROADWAYS AND REDUCED VISIBILITIES. TRAVELERS ARE URGED TO LEAVE EXTRA TIME TO REACH THEIR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... HTTP://UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
427 WWUS45 KSLC 310959 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 259 AM MST WED DEC 31 2014 UTZ013-016-020-021-518-312300- /O.CON.KSLC.WS.W.0012.000000T0000Z-150101T2300Z/ SAN RAFAEL SWELL-SOUTHWEST UTAH-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-SOUTHERN MOUNTAINS- INCLUDING THE CITIES OF...GREEN RIVER...HANKSVILLE...BEAVER... CEDAR CITY...MILFORD...KANAB...ESCALANTE...BULLFROG...LOA... PANGUITCH...BRYCE CANYON 259 AM MST WED DEC 31 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...MUCH OF SOUTHERN UTAH INCLUDING SOUTHWEST AND SOUTH CENTRAL UTAH...THE SOUTHERN MOUNTAINS...THE SAN RAFAEL SWELL AND THE LAKE POWELL AREA. * SNOW ACCUMULATIONS...1 TO 2 FEET IS EXPECTED ACROSS THE HIGHER TERRAIN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 6 TO 12 INCHES CAN BE EXPECTED ACROSS THE VALLEYS EAST OF BRYCE CANYON AND KANAB...THE GREATEST ACCUMULATIONS COMING ALONG THE HIGHWAY 12 CORRIDOR INCLUDING THE ESCALANTE...BOULDER AND TORREY AREAS. VALLEYS WEST OF BRYCE CANYON AND KANAB CAN EXPECT 3 TO 7 INCHES OF SNOW. * TIMING...SNOW WILL BECOME HEAVY AT TIMES THROUGHOUT THE DAY TODAY AND INTO THURSDAY BEFORE TAPERING OFF. * WINDS...NORTHEAST WINDS OF 15 TO 25 MPH...WITH STRONGER WINDS ACROSS THE HIGHER TERRAIN AND DOWNWIND OF THE TERRAIN...WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING OF SNOW AT TIMES THROUGH THURSDAY MORNING. * IMPACTS...TRAVEL WILL BE IMPACTED ACROSS THE REGION THROUGH THURSDAY MORNING...INCLUDING PORTIONS OF THE I-15 AND HIGHWAY 89 CORRIDORS...AS WELL AS STATE ROUTES 12... 24...143 AND 276 PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SIGNIFICANT ACCUMULATIONS OF SNOW ARE EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ007-WYZ021-311700- /O.CON.KSLC.WC.W.0001.000000T0000Z-141231T1700Z/ WASATCH MOUNTAINS I-80 NORTH-SOUTHWEST WYOMING- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...EVANSTON 259 AM MST WED DEC 31 2014 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS MORNING... * AFFECTED AREA...THE NORTHERN WASTACH MOUNTAINS AND SOUTHWEST WYOMING. * WIND CHILL READINGS...25 TO 40 DEGREES BELOW ZERO. * TIMING...THROUGH WEDNESDAY MORNING. * IMPACTS...THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ UTZ517-312300- /O.CON.KSLC.WW.Y.0030.000000T0000Z-150101T2300Z/ CENTRAL MOUNTAINS- INCLUDING THE CITIES OF...COVE FORT...KOOSHAREM...FISH LAKE 259 AM MST WED DEC 31 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...THE CENTRAL UTAH MOUNTAINS. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...SNOW WILL BECOME MORE WIDESPREAD ACROSS THE AREA THROUGHOUT THE DAY TODAY AND INTO THURSDAY BEFORE TAPERING OFF. * IMPACTS...TRAVEL ON INTERSTATE 70 ALONG WITH OTHER AREA ROADWAYS MAY BE IMPACTED AT TIMES THROUGH THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW 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.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ019-312300- /O.CON.KSLC.WW.Y.0031.000000T0000Z-150101T1100Z/ UTAHS DIXIE AND ZION NATIONAL PARK- INCLUDING THE CITY OF...ST GEORGE 259 AM MST WED DEC 31 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM MST THURSDAY... * AFFECTED AREA...UTAHS DIXIE. * SNOW ACCUMULATIONS...1 TO 3 INCHES. * TIMING...PERIODS OF SNOW WILL DEVELOP EARLY THIS MORNING...PEAKING MIDDAY...THEN BECOMING SHOWERY THIS EVENING INTO TONIGHT. * WINDS...NORTHEAST WINDS WILL GUST TO AROUND 50 MPH ALONG THE INTERSTATE 15 CORRIDOR NORTH OF WASHINGTON...AND WESTERN WASHINGTON COUNTY ALONG THE BULL VALLEY...PINE VALLEY AND BEAVER DAM MOUNTAINS. THESE STRONG WINDS ARE EXPECTED TO REMAIN OUTSIDE OF THE ST. GEORGE AREA. * IMPACTS...SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES ACROSS UTAHS DIXIE THROUGH TONIGHT. EXPECT WINTER DRIVING CONDITIONS WITH SLICK ROADWAYS AND REDUCED VISIBILITIES. TRAVELERS ARE URGED TO LEAVE EXTRA TIME TO REACH THEIR DESTINATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ ROGOWSKI FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... HTTP://UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
435 WWUS45 KSLC 311659 WSWSLC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 959 AM MST WED DEC 31 2014 UTZ007-WYZ021-311800- /O.EXP.KSLC.WC.W.0001.000000T0000Z-141231T1700Z/ WASATCH MOUNTAINS I-80 NORTH-SOUTHWEST WYOMING- INCLUDING THE CITIES OF...WOODRUFF...RANDOLPH...EVANSTON 959 AM MST WED DEC 31 2014 ...WIND CHILL WARNING WILL EXPIRE AT 10 AM MST THIS MORNING... WINDS HAVE DROPPED OFF ACROSS SOUTHWEST WYOMING AND OVER THE NORTHERN WASATCH MOUNTAINS. TEMPERATURES REMAIN VERY COLD HOWEVER AND WILL BE SLOW TO WARM UP TODAY. $$ UTZ013-016-020-021-518-010100- /O.CON.KSLC.WS.W.0012.000000T0000Z-150101T2300Z/ SAN RAFAEL SWELL-SOUTHWEST UTAH-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-SOUTHERN MOUNTAINS- INCLUDING THE CITIES OF...GREEN RIVER...HANKSVILLE...BEAVER... CEDAR CITY...MILFORD...KANAB...ESCALANTE...BULLFROG...LOA... PANGUITCH...BRYCE CANYON 959 AM MST WED DEC 31 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...MUCH OF SOUTHERN UTAH INCLUDING SOUTHWEST AND SOUTH CENTRAL UTAH...THE SOUTHERN MOUNTAINS...THE SAN RAFAEL SWELL AND THE LAKE POWELL AREA. * SNOW ACCUMULATIONS...8 TO 14 INCHES IS EXPECTED ACROSS THE HIGHER TERRAIN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. 4 TO 9 INCHES CAN BE EXPECTED ACROSS THE VALLEYS EAST OF BRYCE CANYON AND KANAB...THE GREATEST ACCUMULATIONS COMING ALONG THE HIGHWAY 12 CORRIDOR INCLUDING THE ESCALANTE...BOULDER AND TORREY AREAS. VALLEYS WEST OF BRYCE CANYON AND KANAB INCLUDING CEDAR CITY CAN EXPECT 2 TO 5 INCHES OF SNOW. * TIMING...SNOW WILL CONTINUE AT TIMES THROUGHOUT THE DAY TODAY AND INTO THURSDAY BEFORE TAPERING OFF. * WINDS...NORTHEAST WINDS OF 15 TO 25 MPH...WITH LOCALLY STRONGER WINDS OVER HIGHER TERRAIN. THIS WILL RESULT IN AREAS OF BLOWING AND DRIFTING SNOW. * IMPACTS...TRAVEL WILL BE IMPACTED ACROSS THE REGION THROUGH THURSDAY MORNING...INCLUDING PORTIONS OF THE I-15 AND HIGHWAY 89 CORRIDORS...AS WELL AS STATE ROUTES 12... 24...143 AND 276. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SIGNIFICANT ACCUMULATIONS OF SNOW ARE EXPECTED OR OCCURRING. DRIVING CONDITIONS MAY BE HAZARDOUS. USE CAUTION. KEEP A WINTER STORM SURVIVAL KIT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ517-010100- /O.CON.KSLC.WW.Y.0030.000000T0000Z-150101T2300Z/ CENTRAL MOUNTAINS- INCLUDING THE CITIES OF...COVE FORT...KOOSHAREM...FISH LAKE 959 AM MST WED DEC 31 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST THURSDAY... * AFFECTED AREA...THE CENTRAL UTAH MOUNTAINS. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * TIMING...SNOW WILL BECOME MORE WIDESPREAD ACROSS THE AREA THROUGHOUT THE DAY TODAY AND INTO THURSDAY BEFORE TAPERING OFF. * IMPACTS...TRAVEL ON INTERSTATE 70 ALONG WITH OTHER AREA ROADWAYS MAY BE IMPACTED AT TIMES THROUGH THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW 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.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ UTZ019-010100- /O.CON.KSLC.WW.Y.0031.000000T0000Z-150101T1100Z/ UTAHS DIXIE AND ZION NATIONAL PARK- INCLUDING THE CITY OF...ST GEORGE 959 AM MST WED DEC 31 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM MST THURSDAY... * AFFECTED AREA...UTAHS DIXIE. * SNOW ACCUMULATIONS...UP TO 2 INCHES. * TIMING...PERIODS OF SNOW WILL DEVELOP LATE TODAY AND CONTINUE AT TIMES OVERNIGHT. SNOW WILL TAPER OFF THURSDAY MORNING. * WINDS...GUSTY AND LOCALLY STRONG NORTHEAST WINDS WILL CONTINUE BELOW CANYONS AND GAPS IN THIS AREA. * IMPACTS...LOCAL IMPACTS TO TRAVEL DUE TO SLICK ROADWAYS ARE POSSIBLE AT TIMES LATE TODAY THROUGH EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. FOR WINTER ROAD CONDITIONS FROM THE UTAH DEPARTMENT OF TRANSPORTATION...VISIT HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX OR DIAL 511. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT... HTTP://UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
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 Dec 29, 9:45 PM MST, 4 hours 51 minutes earlier.
Area forecast discussion, Dec 29, 9:45 PM MST, 4 hours 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
945 PM MST MON DEC 29 2014
.SYNOPSIS...A COLD UPPER TROUGH WILL CONTINUE OVER THE AREA
THROUGH TONIGHT. THE TROUGH WILL CLOSE OFF INTO A LOW OVER CENTRAL
CALIFORNIA ON TUESDAY...THEN TRACK SLOWLY EAST ACROSS NORTHERN
ARIZONA AND SOUTHERN UTAH THROUGH THURSDAY. VERY COLD AIR WILL
SPILL INTO UTAH FROM THE NORTHEAST TONIGHT THROUGH TUESDAY.
&&
.DISCUSSION...AN ELONGATED MID LEVEL TROUGH AXIS EXTENDS FROM
NORTHERN UT BACK INTO NORTHEAST NV THIS EVENING...WITH SEVERAL
SMALL SCALE VORTICIES EMBEDDED WITHIN THIS AXIS BRINGING AREAS OF
LIGHT SNOW TO NORTHERN UT THROUGHOUT THE DAY. THESE AREAS OF SNOW
HAVE BEEN DISSIPATING OVER THE PAST COUPLE OF HOURS AS COLD DRY
ARCTIC AIR SPILLS INTO NORTHERN UT...HELPING TO EFFECTIVELY DRY
OUT THE BOUNDARY LAYER. PLAN ANOTHER UPDATE TO REMOVE POPS FROM
REMAINING NORTHERN ZONES SHORTLY.
MEANWHILE A TIGHTENING PRESSURE GRADIENT ASSOCIATED WITH THIS
BOUNDARY IS RESULTING IN ENHANCED EASTERLY WINDS ALONG THE WASATCH
FRONT. THESE WINDS ARE EXPECTED TO STRENGTHEN OVERNIGHT ALONG THE
WASATCH FRONT AND CACHE VALLEY AS 700MB COLD ADVECTION SPREADS A
BIT FURTHER WEST...RESULTING IN A FAVORABLE SETUP FOR DOWNSLOPE
WINDS...MAXIMIZED ACROSS DAVIS COUNTY TUESDAY MORNING WITH GUSTS
NEAR 65 MPH. GOING WIND HEADLINES HANDLE THIS WELL.
THE UPPER TROUGH IS FORECAST TO EVENTUALLY CLOSE OFF ACROSS THE
SOUTHERN GREAT BASIN...BEFORE TRANSLATING EASTWARD ACROSS NORTHERN
AZ WEDNESDAY THROUGH THURSDAY. THIS WILL ALLOW FOR A VERY
FAVORABLE SETUP FOR HEAVY SNOW ACROSS MUCH OF SOUTHERN UT...WITH
THE EXCEPTION OF THE ST GEORGE AREA WHERE DOWNSLOPING NORTHEAST
WINDS WILL GREATLY LIMIT SNOWFALL POTENTIAL.
WILL UPDATE TO ADJUST POPS AND TEMPERATURES...OTHERWISE GOING
FORECAST APPEARS IN GOOD SHAPE.
&&
.AVIATION...AT THE KSLC TERMINAL EXPECT PREDOMINANT WSW WINDS
THROUGH THE NIGHT WITH A 30 PERCENT CHANCE GUSTY EASTERLIES
OCCASIONALLY DEVELOP ACROSS THE AIRFIELD. OTHERWISE VFR CONDITIONS
WILL PREVAIL WITH CIGS GENERALLY BELOW 6 KFT
&&
.SLC WATCHES/WARNINGS/ADVISORIES...
UT...WINTER STORM WATCH FROM LATE TUESDAY NIGHT THROUGH THURSDAY
AFTERNOON FOR UTZ013-016-020-021-518.
WIND ADVISORY FROM MIDNIGHT TONIGHT TO 4 AM MST WEDNESDAY FOR
UTZ001-003.
HIGH WIND WARNING FROM MIDNIGHT TONIGHT TO 4 AM MST WEDNESDAY
FOR UTZ002.
WY...NONE.
&&
SEAMAN
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, Dec 29, 3:33 PM MST, 11 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 333 PM MST MON DEC 29 2014 UTZ001>016-019>021-517-518-WYZ021-301300- 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- 333 PM MST MON DEC 29 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT A DOWNSLOPE WIND STORM WILL DEVELOP TONIGHT ACROSS DAVIS AND WEBER COUNTIES...WITH WIND GUSTS TO 65 MPH POSSIBLE. EASTERLY WIND GUSTS TO 50 MPH ARE ALSO EXPECTED ALONG THE EAST SIDES OF THE SALT LAKE AND CACHE VALLEYS AS WELL. CONSIDERABLE BLOWING AND DRIFTING OF SNOW WILL CREATE HAZARDOUS TRAVEL CONDITIONS ACROSS THESE AREAS...AND WILL CHILLS OF 20 TO 25 DEGREES BELOW ZERO ARE FORECAST. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY EASTERLY DOWNSLOPE WINDS WILL CONTINUE THROUGH TUESDAY MORNING ACROSS THE NORTHERN AND CENTRAL WASATCH FRONT ALONG WITH THE CACHE VALLEY. WINDS WILL DIMINISH TUESDAY AFTERNOON...AND MAY REDEVELOP TUESDAY NIGHT ALTHOUGH NOT AS STRONG. A COLD SOUTHERN UTAH WINTER STORM IS FORECAST LATE TUESDAY NIGHT THROUGH THURSDAY...WITH SIGNIFICANT SNOWFALL EXPECTED ACROSS MUCH OF THE AREA...PARTICULARLY ALONG THE HIGHWAY 12 CORRIDOR INCLUDING TORREY AND ESCALANTE. THE ST GEORGE AREA MAY SEE SOME LIGHT SNOW TUESDAY NIGHT INTO WEDNESDAY...HOWEVER SIGNIFICANT SNOWFALL IS NOT EXPECTED IN THIS AREA DUE TO GUSTY NORTHEAST DOWNSLOPE WINDS. .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) FOR INFORMATION ON POTENTIAL ROAD TRAVEL IMPACTS VISIT... HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 2:36 AM MST | Winter Storm Warning | SLC | 61 hr | |
| Dec 30, 2:36 AM MST | Winter Weather Advisory | SLC | 61 hr | |
| Dec 30, 2:36 AM MST | Winter Weather Advisory | SLC | 49 hr |
Nearby
Wind Chill Warnings in Wyoming, 2014Wind Chill Warnings in Utah, 2014Every wind chill warning in 2014
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.