Alert archive / Arizona / Winter Storm Warnings in 2017
Winter Storm Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this winter storm warning at Feb 17, 2017, 8:22 AM MST for 6 counties in Arizona. It took effect at Feb 18, 2017, 3:00 PM MST. It was in force for 26 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
- Feb 17, 2017, 8:22 AM MST (15:22 UTC)
- In effect from
- Feb 18, 2017, 3:00 PM MST
- Expired
- Feb 19, 2017, 5:00 PM MST
- In force
- 26 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 15:27 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
Tuscon, AZ (KDMA), launched 12:00Z, 3.4 hours before the alert went out and 49 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
- 2216 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
094 WWUS45 KTWC 171522 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 822 AM MST Fri Feb 17 2017 AZZ510-511-513-514-180600- /O.UPG.KTWC.WS.A.0002.170218T2200Z-170220T0000Z/ /O.NEW.KTWC.WS.W.0002.170218T2200Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 822 AM MST Fri Feb 17 2017 ...WINTER STORM WARNING IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY ABOVE 7500 FEET... The National Weather Service in Tucson has issued a Winter Storm Warning for heavy snow, which is in effect from 3 PM Saturday to 5 PM MST Sunday. The Winter Storm Watch is no longer in effect. * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will increase in coverage Saturday, with the best chances Saturday afternoon into Sunday before improving weather conditions Sunday night. * SNOW ACCUMULATIONS...10 to 16 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 8000 feet Saturday afternoon, then falling as low as 6000 feet on Sunday. * WINDS...South at 20 to 30 mph with gusts over 40 mph possible Saturday afternoon before diminishing Saturday night. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-180600- /O.UPG.KTWC.WS.A.0002.170218T2200Z-170220T0000Z/ /O.NEW.KTWC.WW.Y.0004.170218T2200Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 822 AM MST Fri Feb 17 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY ABOVE 7500 FEET... The National Weather Service in Tucson has issued a Winter Weather Advisory for snow, which is in effect from 3 PM Saturday to 5 PM MST Sunday. The Winter Storm Watch is no longer in effect. * IMPACTS...Moderate to occasionally heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will increase in coverage Saturday, with the best chances Saturday afternoon into Sunday before improving weather conditions Sunday night. * SNOW ACCUMULATIONS...6 to 11 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 8000 feet Saturday afternoon, then falling as low as 6000 feet on Sunday. * WINDS...South 20 to 30 mph with gusts over 40 mph Saturday afternoon before diminishing Saturday night. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow are likely which will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
7 follow-up statements
217 WWUS45 KTWC 172046 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 146 PM MST Fri Feb 17 2017 AZZ510-511-513-514-181200- /O.CON.KTWC.WS.W.0002.170218T2200Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 146 PM MST Fri Feb 17 2017 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY ABOVE 7500 FEET... * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will increase in coverage Saturday, with the best chances Saturday afternoon into Sunday before improving weather conditions Sunday night. * SNOW ACCUMULATIONS...10 to 16 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 8000 feet Saturday afternoon, then falling as low as 6000 feet on Sunday. * WINDS...South at 20 to 30 mph with gusts over 40 mph possible Saturday afternoon before diminishing Saturday night. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-181200- /O.CON.KTWC.WW.Y.0004.170218T2200Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 146 PM MST Fri Feb 17 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY ABOVE 7500 FEET... * IMPACTS...Moderate to occasionally heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will increase in coverage Saturday, with the best chances Saturday afternoon into Sunday before improving weather conditions Sunday night. * SNOW ACCUMULATIONS...5 to 9 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 8000 feet Saturday afternoon, then falling as low as 6000 feet on Sunday. * WINDS...South 20 to 30 mph with gusts over 40 mph Saturday afternoon before diminishing Saturday night. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow are likely which will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
475 WWUS45 KTWC 180952 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 252 AM MST Sat Feb 18 2017 AZZ510-511-513-514-182115- /O.CON.KTWC.WS.W.0002.170218T2200Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 252 AM MST Sat Feb 18 2017 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 PM MST SUNDAY ABOVE 7500 FEET... * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will increase in coverage today, with the best chances this afternoon into Sunday before improving weather conditions Sunday night. * SNOW ACCUMULATIONS...10 to 16 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 8000 feet this afternoon, then falling as low as 6000 feet on Sunday. * WINDS...South at 20 to 30 mph with gusts over 40 mph possible this afternoon before diminishing tonight. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-182115- /O.CON.KTWC.WW.Y.0004.170218T2200Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 252 AM MST Sat Feb 18 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 PM MST SUNDAY ABOVE 7500 FEET... * IMPACTS...Moderate to occasionally heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will increase in coverage today, with the best chances this afternoon into Sunday before improving weather conditions Sunday night. * SNOW ACCUMULATIONS...5 to 9 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 8000 feet this afternoon, then falling as low as 6000 feet on Sunday. * WINDS...South 20 to 30 mph with gusts over 40 mph this afternoon before diminishing tonight. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow are likely which will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
687 WWUS45 KTWC 182126 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 226 PM MST Sat Feb 18 2017 AZZ510-511-513-514-190700- /O.CON.KTWC.WS.W.0002.170218T2200Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 226 PM MST Sat Feb 18 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY... * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads into Sunday. Expect periods of hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Showers will continue to spread northeast across the area through the night and taper to scattered showers Sunday afternoon. * SNOW ACCUMULATIONS...8 to 14 inches above 7500 feet, with locally higher amounts on south facing slopes. * SNOW LEVELS...Around 7500 feet this afternoon, falling as low as 6000 feet Sunday. * WINDS...South at 20 to 30 mph with gusts over 40 mph through the remainder of the afternoon then diminishing overnight. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-190700- /O.CON.KTWC.WW.Y.0004.170218T2200Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 226 PM MST Sat Feb 18 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY... * IMPACTS...MODERATE TO OCCASIONALLY HEAVY SNOW WILL CAUSE LOW VISIBILITY AND SNOW COVERED ROADS. EXPECT HAZARDOUS DRIVING CONDITIONS ABOVE 7500 FEET. ROAD RESTRICTIONS OR CLOSURES MAY OCCUR. * TIMING...SHOWERS WILL INCREASE IN COVERAGE TODAY, WITH THE BEST CHANCES THIS AFTERNOON INTO SUNDAY BEFORE IMPROVING WEATHER CONDITIONS SUNDAY NIGHT. * SNOW ACCUMULATIONS...5 TO 9 INCHES ABOVE 7500 FEET, WITH LOCALLY HIGHER AMOUNTS ON SOUTH FACING SLOPES. * SNOW LEVELS...AROUND 8000 FEET THIS AFTERNOON, THEN FALLING AS LOW AS 6000 FEET ON SUNDAY. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS OVER 40 MPH THIS AFTERNOON BEFORE DIMINISHING TONIGHT. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW ARE LIKELY WHICH WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
639 WWUS45 KTWC 190410 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 910 PM MST Sat Feb 18 2017 AZZ510-511-513-514-200000- /O.CON.KTWC.WS.W.0002.000000T0000Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 910 PM MST Sat Feb 18 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY ABOVE 7500 FEET... * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Periods of snow showers through Sunday afternoon then snow showers ending Sunday night. * SNOW ACCUMULATIONS...10 to 16 inches above 7500 feet, with higher amounts on south facing slopes. * SNOW LEVELS...6000 to 6500 feet into Sunday morning rising to 6500 to 7000 feet Sunday afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-200000- /O.CON.KTWC.WW.Y.0004.000000T0000Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 910 PM MST Sat Feb 18 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY ABOVE 7500 FEET... * IMPACTS...Moderate to occasionally heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Periods of snow showers continuing through Sunday afternoon then snow showers ending Sunday night. * SNOW ACCUMULATIONS...5 to 9 inches above 7500 feet, with higher amounts on south facing slopes. * SNOW LEVELS...6000 to 6500 feet into Sunday morning rising to 6500 to 7000 feet Sunday afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow are likely which will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
922 WWUS45 KTWC 191022 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 322 AM MST Sun Feb 19 2017 AZZ510-511-513-514-191830- /O.CON.KTWC.WS.W.0002.000000T0000Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 322 AM MST Sun Feb 19 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 7500 FEET... * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Periods of snow showers through this afternoon then snow showers ending tonight. * SNOW ACCUMULATIONS...10 to 16 inches above 7500 feet, with higher amounts on south facing slopes. * SNOW LEVELS...6000 to 6500 feet into this morning rising to 6500 to 7000 feet this afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-191830- /O.CON.KTWC.WW.Y.0004.000000T0000Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 322 AM MST Sun Feb 19 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 7500 FEET... * IMPACTS...Moderate to occasionally heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Periods of snow showers continuing through this afternoon then snow showers ending tonight. * SNOW ACCUMULATIONS...5 to 9 inches above 7500 feet, with higher amounts on south facing slopes. * SNOW LEVELS...6000 to 6500 feet into this morning rising to 6500 to 7000 feet this afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow are likely which will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
446 WWUS45 KTWC 191524 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 824 AM MST Sun Feb 19 2017 AZZ510-511-513-514-200000- /O.CON.KTWC.WS.W.0002.000000T0000Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF HANNAGAN MEADOW, MOUNT GRAHAM, MOUNT LEMMON, AND SUMMERHAVEN 824 AM MST Sun Feb 19 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * IMPACTS...Moderate to heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Periods of snow showers continuing through this afternoon gradually ending tonight. * SNOW ACCUMULATIONS...Storm totals of 10 to 16 inches above 7500 feet, with higher amounts on south facing slopes. * SNOW LEVELS...6000 to 6500 feet this morning rising to 6500 to 7000 feet this afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning means heavy snow accumulations are expected. Gusty winds and blowing snow are also possible. This will make travel very difficult or impossible...especially in the mountains. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ AZZ512-200000- /O.CON.KTWC.WW.Y.0004.000000T0000Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 824 AM MST Sun Feb 19 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * IMPACTS...Moderate to occasionally heavy snow will cause low visibility and snow covered roads. Expect hazardous driving conditions above 7500 feet. Road restrictions or closures may occur. * TIMING...Periods of snow showers continuing through this afternoon gradually ending tonight. * SNOW ACCUMULATIONS...5 to 9 inches above 7500 feet, with higher amounts on south facing slopes. * SNOW LEVELS...6000 to 6500 feet this morning rising to 6500 to 7000 feet this afternoon. * For a detailed view of the hazard area...visit weather.gov/Tucson and click on the detailed hazards tab PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow are likely which will cause travel difficulties. Be prepared for slippery roads and limited visibilities...and use caution while driving. Listen to NOAA Weather Radio...commercial television or radio stations...or your cable television service provider for updates on this Winter Storm. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
306 WWUS45 KTWC 200012 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 512 PM MST Sun Feb 19 2017 AZZ510-511-513-514-200115- /O.EXP.KTWC.WS.W.0002.000000T0000Z-170220T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- 512 PM MST Sun Feb 19 2017 ...WINTER STORM WARNING HAS EXPIRED... Isolated to scattered snow showers will continue tonight. However, very little if any additional accumulations are expected to occur. Thus, the Winter Storm Warning has been allowed to expire. $$ AZZ512-200115- /O.EXP.KTWC.WW.Y.0004.000000T0000Z-170220T0000Z/ CHIRICAHUA MOUNTAINS- 512 PM MST Sun Feb 19 2017 ...WINTER WEATHER ADVISORY HAS EXPIRED... Isolated to scattered snow showers will continue tonight. However, very little if any additional accumulations are expected to occur. Thus, the Winter Weather Advisory has been allowed to expire. $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 8:22 AM MST | Winter Weather Advisory | TWC | Cochise | 57 hr |
Nearby
Winter Storm Warnings in Arizona, 2017Every winter storm warning in 2017
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.