Alert archive / Utah / Winter Storm Warnings in 2021
Winter Storm Warning 6, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this winter storm warning at Oct 11, 2021, 3:10 PM MDT for 17 counties in Utah. It took effect at Oct 11, 2021, 6:00 PM MDT. It was in force for 30 hr. 34 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 11, 2021, 3:10 PM MDT (21:10 UTC)
- In effect from
- Oct 11, 2021, 6:00 PM MDT
- Expired
- Oct 12, 2021, 11:54 PM MDT
- In force
- 30 hr
- Issued by
- NWS Salt Lake City, UT
Counties Beaver County, UT, Carbon County, UT, Duchesne County, UT, Emery County, UT, Garfield County, UT, Iron County, UT, Juab County, UT, Kane County, UT, Millard County, UT, Piute County, UT, Sanpete County, UT, Sevier County, UT, Summit County, UT, Utah County, UT, Wasatch County, UT, Washington County, UT, Wayne County, UT
The radar
The Cedar City radar (KICX), 178 km from the middle of the area, began a volume at 21:10 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 12, 6:30 AM MDT | SNOW 1.8 | Oakley, UT | |
| Oct 12, 7:00 AM MDT | SNOW 0.3 | Beaver, UT | |
| Oct 12, 7:00 AM MDT | SNOW 2.7 | Newcastle, UT | |
| Oct 12, 7:00 AM MDT | SNOW 6 | Cedar City, UT | |
| Oct 12, 7:00 AM MDT | SNOW 6.4 | Cedar City, UT | |
| Oct 12, 7:10 AM MDT | SNOW 3.3 | Park City, UT | |
| Oct 12, 7:30 AM MDT | SNOW 1.5 | Oak City, UT | |
| Oct 12, 7:36 AM MDT | SNOW 7 | Cedar City, UT | |
| Oct 12, 7:56 AM MDT | SNOW 1 | Kanab, UT | |
| Oct 12, 8:00 AM MDT | SNOW 1 | Marysvale, UT | |
| Oct 12, 8:00 AM MDT | SNOW 1.5 | Loa, UT | |
| Oct 12, 8:00 AM MDT | SNOW 3 | Richfield, UT | |
| Oct 12, 8:00 AM MDT | SNOW 4 | New Harmony, UT | |
| Oct 12, 8:00 AM MDT | SNOW 6 | Heber City, UT | |
| Oct 12, 8:05 AM MDT | SNOW 4 | Enoch, UT | && |
| Oct 12, 8:05 AM MDT | SNOW 4 | Enoch, UT | |
| Oct 12, 8:38 AM MDT | SNOW 3 | Scofield, UT | |
| Oct 12, 8:38 AM MDT | SNOW 10 | Cedar City, UT | |
| Oct 12, 8:46 AM MDT | SNOW 5 | 2 S Richfield, UT | |
| Oct 12, 8:47 AM MDT | SNOW 3 | 11 Sse Torrey, UT | |
| Oct 12, 8:47 AM MDT | SNOW 10 | New Harmony, UT | |
| Oct 12, 8:47 AM MDT | SNOW 15 | Park City, UT | |
| Oct 12, 8:51 AM MDT | SNOW 0.8 | Torrey, UT | && |
| Oct 12, 8:51 AM MDT | SNOW 0.8 | Torrey, UT | |
| Oct 12, 9:11 AM MDT | SNOW 4 | Kanab, UT | |
| Oct 12, 9:30 AM MDT | SNOW 8.5 | Parowan, UT | |
| Oct 12, 10:12 AM MDT | SNOW 6 | Fillmore, UT | |
| Oct 12, 10:28 AM MDT | SNOW 4 | Richfield, UT | |
| Oct 12, 10:38 AM MDT | SNOW 10 | 4 Wsw Wanship, UT | && |
| Oct 12, 10:38 AM MDT | SNOW 10 | 4 Wsw Wanship, UT | |
| Oct 12, 10:41 AM MDT | SNOW 7 | Summit Park, UT | |
| Oct 12, 1:10 PM MDT | SNOW 2.5 | Central, UT | |
| Oct 12, 1:10 PM MDT | SNOW 4 | Pine Valley, UT | |
| Oct 12, 3:49 PM MDT | SNOW 10 | Cedar City, UT | && |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 9.2 hours before the alert went out and 202 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
- 2033 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
722 WWUS45 KSLC 112110 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 310 PM MDT Mon Oct 11 2021 UTZ112-113-121200- /O.UPG.KSLC.WS.A.0006.211012T0000Z-211013T0600Z/ /O.NEW.KSLC.WS.W.0006.211012T0000Z-211013T0600Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs- Including the cities of Mirror Lake Highway, Moon Lake, Scofield, and Indian Canyon 310 PM MDT Mon Oct 11 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Heavy snow expected. Total snow accumulations 8 to 18 inches with locally higher amounts. * WHERE...Western Uinta Mountains and Wasatch Plateau/Book Cliffs. * WHEN...From 6 PM this evening to midnight MDT Tuesday night. * IMPACTS...Winter driving conditions can be expected across all mountain routes including Indian Canyon. Seasonal routes will be heavily impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ117-125-121200- /O.UPG.KSLC.WS.A.0006.211012T0000Z-211013T0600Z/ /O.NEW.KSLC.WS.W.0006.211012T0400Z-211013T0000Z/ Central Mountains-Southern Mountains- Including the cities of Cove Fort, Fish Lake, Joes Valley, Brian Head, and Alton 310 PM MDT Mon Oct 11 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MDT TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches with locally higher amounts. * WHERE...Central Mountains and Southern Mountains. * WHEN...From 10 PM this evening to 6 PM MDT Tuesday. * IMPACTS...Winter driving conditions are expected on all mountain routes including passes and summits on I-15 and I-70. Seasonal routes will be heavily impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ116-122-121200- /O.UPG.KSLC.WS.A.0006.211012T0000Z-211013T0600Z/ /O.NEW.KSLC.WS.W.0006.211012T0400Z-211013T0000Z/ Eastern Juab/Millard Counties-Southwest Utah- Including the cities of Nephi, Scipio, Fillmore, Beaver, Cedar City, and Milford 310 PM MDT Mon Oct 11 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MDT TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches with locally higher amounts. * WHERE...Eastern Juab/Millard Counties and Southwest Utah. * WHEN...From 10 PM this evening to 6 PM MDT Tuesday. * IMPACTS...Winter driving conditions are expected across routes along the I-15 corridor including Cedar City. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ111-121200- /O.UPG.KSLC.WS.A.0006.211012T0000Z-211013T0600Z/ /O.NEW.KSLC.WW.Y.0018.211012T0000Z-211013T0600Z/ Wasatch Mountains South of I-80- Including the cities of Alta and Brighton 310 PM MDT Mon Oct 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. 5 to 10 inches with locally higher amounts possible, particularly in the upper Cottonwoods. * WHERE...Wasatch Mountains South of I-80. * WHEN...From 6 PM this evening to midnight MDT Tuesday night. * IMPACTS...Winter driving conditions are expected. Seasonal routes will be impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ115-121200- /O.UPG.KSLC.WS.A.0006.211012T0000Z-211013T0600Z/ /O.NEW.KSLC.WW.Y.0018.211012T0400Z-211013T0000Z/ Western Millard and Juab Counties- Including the cities of Delta and Little Sahara 310 PM MDT Mon Oct 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MDT TUESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches with little to no accumulation at the lowest elevations such as Delta. Winds gusting as high as 45 mph. * WHERE...Western Millard and Juab Counties. * WHEN...From 10 PM this evening to 6 PM MDT Tuesday. * IMPACTS...Winter driving conditions are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ110-121200- /O.NEW.KSLC.WW.Y.0018.211012T0000Z-211013T0600Z/ Wasatch Mountains I-80 North- Including the cities of Mantua and Logan Summit 310 PM MDT Mon Oct 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. 5 to 10 inches with locally higher amounts possible * WHERE...Wasatch Mountains I-80 North. * WHEN...From 6 PM this evening to midnight MDT Tuesday night. * IMPACTS...Winter driving conditions are expected. Seasonal routes will be impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ118-119-126-127-129-121200- /O.NEW.KSLC.WW.Y.0018.211012T0400Z-211013T0000Z/ Sanpete Valley-Sevier Valley-Upper Sevier River Valleys- Bryce Canyon Country-Capitol Reef National Park and Vicinity- Including the cities of Manti, Ephraim, Mt Pleasant, Richfield, Salina, Panguitch, Circleville, Koosharem, Bryce Canyon City, Loa, and Torrey 310 PM MDT Mon Oct 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MDT TUESDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches with locally higher amounts in heavier snow bands. * WHERE...Sanpete Valley, Sevier Valley, Upper Sevier River Valleys, Bryce Canyon Country and Capitol Reef National Park and Vicinity. * WHEN...From 10 PM this evening to 6 PM MDT Tuesday. * IMPACTS...Winter driving conditions are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
4 follow-up statements
248 WWUS45 KSLC 120827 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 227 AM MDT Tue Oct 12 2021 UTZ112-113-130000- /O.CON.KSLC.WS.W.0006.000000T0000Z-211013T0600Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs- Including the cities of Mirror Lake Highway, Moon Lake, Scofield, and Indian Canyon 227 AM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Heavy snow expected. Additional accumulations of 3 to 7 inches expected. * WHERE...Western Uinta Mountains and Wasatch Plateau/Book Cliffs. * WHEN...Through midnight MDT tonight. * IMPACTS...Winter driving conditions can be expected across all mountain routes including Indian Canyon. Seasonal routes will be heavily impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ117-125-130000- /O.CON.KSLC.WS.W.0006.000000T0000Z-211013T0000Z/ Central Mountains-Southern Mountains- Including the cities of Cove Fort, Fish Lake, Joes Valley, Brian Head, and Alton 227 AM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Heavy snow expected. Additional snow accumulations of 6 to 14 inches expected with locally higher amounts. * WHERE...Central Mountains and Southern Mountains. * WHEN...Through 6 PM MDT this evening. * IMPACTS...Winter driving conditions are expected on all mountain routes including passes and summits on I-15 and I-70. Seasonal routes will be heavily impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ116-122-130000- /O.CON.KSLC.WS.W.0006.000000T0000Z-211013T0000Z/ Eastern Juab/Millard Counties-Southwest Utah- Including the cities of Nephi, Scipio, Fillmore, Beaver, Cedar City, and Milford 227 AM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Heavy snow expected. Additional accumulations of 3 to 6 inches expected with locally higher amounts. * WHERE...Eastern Juab/Millard Counties and Southwest Utah. * WHEN...Through 6 PM MDT this evening. * IMPACTS...Winter driving conditions are expected across routes along the I-15 corridor including Cedar City. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ110-111-130000- /O.CON.KSLC.WW.Y.0018.000000T0000Z-211013T0600Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the cities of Mantua, Logan Summit, Alta, and Brighton 227 AM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow expected. additional accumulations of 3 to 7 inches expected, particularly in the upper Cottonwoods. * WHERE...Wasatch Mountains South of I-80. * WHEN...Through midnight MDT tonight. * IMPACTS...Winter driving conditions are expected. Seasonal routes will be impacted. Hunters and hikers should be prepared for severe winter conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ115-118-119-126-127-129-130000- /O.CON.KSLC.WW.Y.0018.000000T0000Z-211013T0000Z/ Western Millard and Juab Counties-Sanpete Valley-Sevier Valley- Upper Sevier River Valleys-Bryce Canyon Country- Capitol Reef National Park and Vicinity- Including the cities of Delta, Little Sahara, Manti, Ephraim, Mt Pleasant, Richfield, Salina, Panguitch, Circleville, Koosharem, Bryce Canyon City, Loa, and Torrey 227 AM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches with little to no accumulation at the lowest elevations such as Delta. * WHERE...Western Millard and Juab Counties. * WHEN...Through 6 PM MDT Tuesday. * IMPACTS...Winter driving conditions are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$
885 WWUS45 KSLC 122049 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 249 PM MDT Tue Oct 12 2021 UTZ116-122-122200- /O.CAN.KSLC.WS.W.0006.000000T0000Z-211013T0000Z/ Eastern Juab/Millard Counties-Southwest Utah- Including the cities of Nephi, Scipio, Fillmore, Beaver, Cedar City, and Milford 249 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING IS CANCELLED... Accumulating snow has largely ended across eastern Juab, eastern Millard Counties and southwestern Utah. Snow may remain on some of the higher passes of I-15, continue to remain vigilant for winter driving conditions. $$ UTZ115-122200- /O.CAN.KSLC.WW.Y.0018.000000T0000Z-211013T0000Z/ Western Millard and Juab Counties- Including the cities of Delta and Little Sahara 249 PM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Accumulating snow has ended, therefore the winter weather advisory has been cancelled early. $$ UTZ112-113-130600- /O.CON.KSLC.WS.W.0006.000000T0000Z-211013T0600Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs- Including the cities of Mirror Lake Highway, Moon Lake, Scofield, and Indian Canyon 249 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Heavy snow. Additional snow accumulations of up to two inches. * WHERE...Wasatch Plateau/Book Cliffs and Western Uinta Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Winter driving conditions can be expected into the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ117-125-130000- /O.CON.KSLC.WS.W.0006.000000T0000Z-211013T0000Z/ Central Mountains-Southern Mountains- Including the cities of Cove Fort, Fish Lake, Joes Valley, Brian Head, and Alton 249 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of up to two inches. * WHERE...Central Mountains and Southern Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Winter driving conditions can be expected into the early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ110-111-130600- /O.CON.KSLC.WW.Y.0018.000000T0000Z-211013T0600Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the cities of Mantua, Logan Summit, Alta, and Brighton 249 PM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of up to two inches. * WHERE...Wasatch Mountains South of I-80 and Wasatch Mountains I- 80 North. * WHEN...Until midnight MDT tonight. * IMPACTS...Winter driving conditions can be expected into the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ118-119-126-127-129-130000- /O.CON.KSLC.WW.Y.0018.000000T0000Z-211013T0000Z/ Sanpete Valley-Sevier Valley-Upper Sevier River Valleys- Bryce Canyon Country-Capitol Reef National Park and Vicinity- Including the cities of Manti, Ephraim, Mt Pleasant, Richfield, Salina, Panguitch, Circleville, Koosharem, Bryce Canyon City, Loa, and Torrey 249 PM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Capitol Reef National Park and Vicinity, Bryce Canyon Country, Sevier Valley, Upper Sevier River Valleys and Sanpete Valley. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Occasional winter driving conditions can be expected into the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
620 WWUS45 KSLC 130150 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 750 PM MDT Tue Oct 12 2021 UTZ112-113-130600- /O.CON.KSLC.WS.W.0006.000000T0000Z-211013T0600Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs- Including the cities of Mirror Lake Highway, Moon Lake, Scofield, and Indian Canyon 750 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Heavy snow. Additional snow accumulations of up to one inch. * WHERE...Wasatch Plateau/Book Cliffs and Western Uinta Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ UTZ110-111-130600- /O.CON.KSLC.WW.Y.0018.000000T0000Z-211013T0600Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the cities of Mantua, Logan Summit, Alta, and Brighton 750 PM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Wasatch Mountains South of I-80 and Wasatch Mountains I- 80 North. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including Official NWS Forecast, High End Amount, and Low End Amount, visit weather.gov/slc/winter. For winter road conditions from the Utah Department of Transportation, visit http://www.udottraffic.utah.gov/roadweatherforecast.aspx or dial 511. && $$ For more information from NOAA/National Weather Service visit... http://weather.gov/saltlakecity For information on potential travel impacts visit... http://udottraffic.utah.gov/roadweatherforecast.aspx
810 WWUS45 KSLC 130554 WSWSLC URGENT - WINTER WEATHER MESSAGE National Weather Service Salt Lake City UT 1154 PM MDT Tue Oct 12 2021 UTZ112-113-130700- /O.CAN.KSLC.WS.W.0006.000000T0000Z-211013T0600Z/ Western Uinta Mountains-Wasatch Plateau/Book Cliffs- Including the cities of Mirror Lake Highway, Moon Lake, Scofield, and Indian Canyon 1154 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING IS CANCELLED... Occasional, light snow showers will be possible through the night, especially for northwest-facing slopes, however additional accumulations will generally be less than one inch, thus the Winter Storm Warning is cancelled. $$ UTZ110-111-130700- /O.CAN.KSLC.WW.Y.0018.000000T0000Z-211013T0600Z/ Wasatch Mountains I-80 North-Wasatch Mountains South of I-80- Including the cities of Mantua, Logan Summit, Alta, and Brighton 1154 PM MDT Tue Oct 12 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Occasional, light snow showers will be possible through the night, especially for northwest-facing slopes and locations south and east of Utah Lake, however additional accumulations will generally be less than one inch, thus the Winter Weather Advisory is cancelled. $$
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 3:10 PM MDT | Winter Weather Advisory | SLC | Box Elder, Cache, Davis, Emery, Garfield, Juab and 13 more | 33 hr |
| Oct 11, 3:20 PM MDT | Hard Freeze Watch | SLC | Box Elder, Carbon, Davis, Duchesne, Emery, Garfield and 5 more | 11 hr |
| Oct 11, 3:20 PM MDT | Hard Freeze Warning | SLC | Beaver, Emery, Garfield, Iron, Juab, Millard and 3 more | 19 hr |
| Oct 11, 3:20 PM MDT | Wind Advisory | SLC | Box Elder, Juab, Millard, Salt Lake, Tooele, Utah | 24 hr |
Nearby
Winter Storm Warnings in Utah, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.