Alert archive / Arizona / Blizzard Warnings in 2013
Blizzard Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this blizzard warning at Feb 19, 2013, 6:18 PM MST for 5 counties in Arizona. It took effect at Feb 20, 2013, 6:00 AM MST. It was in force for 15 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 19, 2013, 6:18 PM MST (01:18 UTC)
- In effect from
- Feb 20, 2013, 6:00 AM MST
- Expired
- Feb 20, 2013, 8:54 PM MST
- In force
- 15 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 43 km from the middle of the area, began a volume at 01:17 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 (KTUS), launched 00:00Z, 1.3 hours before the alert went out and 20 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
- 3308 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
089 WWUS45 KTWC 200118 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 618 PM MST TUE FEB 19 2013 ...HEAVY SNOW EXPECTED... THE WINTER STORM WARNING HAS BEEN LOWERED TO 3000 FEET. THE WINTER STORM WARNING HAS BEEN REPLACED BY A BLIZZARD WARNING IN SOME MOUNTAIN LOCATIONS. AZZ511>514-200930- /O.CAN.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/ /O.NEW.KTWC.BZ.W.0001.130220T1300Z-130221T0600Z/ GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE... CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN 618 PM MST TUE FEB 19 2013 ...BLIZZARD WARNING IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY. THIS REPLACES THE WINTER STORM WARNING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW. WHITEOUT CONDITIONS ARE EXPECTED. * TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE WEDNESDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM TO 7 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE FROM WEST TO EAST BY LATE WEDNESDAY EVENING. * SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE POSSIBLE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM. && $$ AZZ503-504-506>510-515-200930- /O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW 618 PM MST TUE FEB 19 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY. THE ELEVATION HAS BEEN ADJUSTED DOWNWARD TO INCLUDE LOCATIONS AT AND ABOVE 3000 FEET. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. * TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE WEDNESDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM TO 7 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE FROM WEST TO EAST WEDNESDAY EVENING AND DIMINISH LATE WEDNESDAY NIGHT. * SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000 AND 5000 FEET... FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET... AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT WEDNESDAY MORNING...FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT DURING THE DAY WEDNESDAY...THEN AS LOW AS 2200 FEET WEDNESDAY NIGHT. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 AND 55 MPH ARE POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC 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. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
5 follow-up statements
964 WWUS45 KTWC 200935 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 235 AM MST WED FEB 20 2013 AZZ511>514-201900- /O.CON.KTWC.BZ.W.0001.130220T1300Z-130221T0600Z/ GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE... CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN 235 AM MST WED FEB 20 2013 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED. * TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL DECREASE FROM WEST TO EAST BY LATE THIS EVENING. * SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE POSSIBLE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM. && $$ AZZ503-504-506>510-515-201900- /O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW 235 AM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. * TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL DECREASE FROM WEST TO EAST THIS EVENING AND DIMINISH LATE TONIGHT. * SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS. * SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT THIS MORNING...FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT LATER TODAY...THEN AS LOW AS 2200 FEET TONIGHT. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 AND 55 MPH ARE POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC 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. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
637 WWUS45 KTWC 201204 CCA WSWTWC URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE TUCSON AZ 501 AM MST WED FEB 20 2013 CORRECTED HEADLINE AZZ511>514-202145- /O.CON.KTWC.BZ.W.0001.130220T1300Z-130221T0600Z/ GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE... CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN 501 AM MST WED FEB 20 2013 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED. * TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL DECREASE FROM WEST TO EAST BY LATE THIS EVENING. * SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE POSSIBLE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM. && $$ AZZ503-504-506>510-515-202145- /O.COR.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW 501 AM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. * TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL DECREASE FROM WEST TO EAST THIS EVENING AND DIMINISH LATE TONIGHT. * SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS. * SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT THIS MORNING...FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT LATER TODAY...THEN AS LOW AS 2200 FEET TONIGHT. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 AND 55 MPH ARE POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC 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. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
840 WWUS45 KTWC 201725 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 1025 AM MST WED FEB 20 2013 AZZ511>514-210130- /O.CON.KTWC.BZ.W.0001.000000T0000Z-130221T0600Z/ GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE... CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN 1025 AM MST WED FEB 20 2013 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED IN THE MOUNTAINS. * TIMING...ALTHOUGH ISOLATED SNOW SHOWERS HAVE OCCURRED IN SPOTS THIS MORNING...THE BULK OF THE SNOWFALL WILL BE THIS AFTERNOON AND INTO THE EVENING HOURS. * SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE POSSIBLE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM. && $$ AZZ503-504-506>510-515-210130- /O.CON.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW 1025 AM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING FOR ABOVE 3000 FEET. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND POSSIBLY BLOWING SNOW AT TIMES. * TIMING...RAIN AND SNOW CAN STILL BE ANTICIPATED TODAY...ALTHOUGH SOMEWHAT DELAYED THIS MORNING. EXPECT SHOWERS TO BE ON THE INCREASE THIS AFTERNOON AND CONTINUE INTO THE EVENING HOURS. * SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS. * SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT THEN FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT LATER THIS EVENING...THEN AS LOW AS 2200 FEET OVERNIGHT TONIGHT. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC 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. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
774 WWUS45 KTWC 201904 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 1204 PM MST WED FEB 20 2013 AZZ511>514-210315- /O.CON.KTWC.BZ.W.0001.000000T0000Z-130221T0600Z/ GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE... CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN 1204 PM MST WED FEB 20 2013 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED IN THE MOUNTAINS. * TIMING...SNOWFALL WILL CONTINUE THIS AFTERNOON AND INTO THE EVENING HOURS. * SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE POSSIBLE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM. && $$ AZZ503-504-506>510-515-210315- /O.CON.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE... SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW 1204 PM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 2500 FEET... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 2500 FEET. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW AND POSSIBLY BLOWING SNOW AT TIMES. * TIMING...RAIN AND SNOW CAN STILL BE ANTICIPATED TODAY... ALTHOUGH SOMEWHAT DELAYED THIS MORNING. EXPECT SHOWERS TO BE ON THE INCREASE THIS AFTERNOON AND CONTINUE INTO THE EVENING HOURS. * SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 2500 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS. * SNOW LEVELS...SNOW LEVEL AS LOW AS 2000 FEET. * WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
219 WWUS45 KTWC 210354 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 854 PM MST WED FEB 20 2013 AZZ511>514-210600- /O.CAN.KTWC.BZ.W.0001.000000T0000Z-130221T0600Z/ /O.EXA.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/ GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE... CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN 854 PM MST WED FEB 20 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE BLIZZARD WARNING HAS BEEN CANCELLED. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW. * SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ503-504-506>510-515-210600- /O.CON.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...TUCSON...GREEN VALLEY... MARANA...VAIL...MAMMOTH...ORACLE...SIERRA VISTA...BENSON... WILLCOX...CLIFTON...SAFFORD...HANNAGAN MEADOW 854 PM MST WED FEB 20 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW. * SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 2500 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS. * SNOW LEVELS...SNOW LEVEL AS LOW AS 2000 FEET. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
What forecasters said that day
The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this blizzard warning went out at Feb 19, 3:08 PM MST, 3 hours 10 minutes earlier.
Area forecast discussion, Feb 19, 3:08 PM MST, 3 hours 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
308 PM MST TUE FEB 19 2013
.SYNOPSIS...BREEZY TO WINDY CONDITIONS WILL PRODUCE AREAS OF BLOWING
DUST THIS AFTERNOON. A STRONG LOW PRESSURE SYSTEM WILL THEN BRING
RAIN AND SNOW WEDNESDAY ALONG WITH COLDER TEMPERATURES. EXPECT A FEW
LINGERING SHOWERS THURSDAY INTO FRIDAY AS WELL BELOW NORMAL DAYTIME
TEMPERATURES CONTINUE.
&&
.DISCUSSION...STRONG UPPER LOW CURRENTLY CENTERED OFF THE NORTHERN
CALIFORNIA COAST. THIS SYSTEM WILL CONTINUE TO MOVE RAPIDLY SOUTH
ALONG THE PACIFIC COAST AND WILL BE POSITIONED OVER CENTRAL/SOUTHERN
CALIFORNIA THIS EVENING AND ALONG THE COLORADO RIVER VALLEY BY 12Z
WEDNESDAY.
STRONG WINDS WILL CONTINUE THROUGH THE REST OF THE AFTERNOON HOURS
AND INTO THE EARLY EVENING HOURS TONIGHT BEFORE SUBSIDING. HAVE BOTH
A WIND ADVISORY AND RED FLAG WARNING IN EFFECT UNTIL 7 PM MST THIS
EVENING. DEWPOINTS/SURFACE MOISTURE HAS INCREASED SUBSTANTIALLY OVER
COCHISE COUNTY...ESPECIALLY THE EASTERN HALF...AND DOUBT RED FLAG
WILL VERIFY IN THIS AREA. HOWEVER...THE REST OF FIRE WEATHER ZONE
148 AND FAR EASTERN PORTIONS OF FIRE WEATHER ZONE 147 STILL ON TRACK
WITH DRY AND BREEZY/WINDY CONDITIONS. THE STRONGEST WINDS CURRENTLY
EXTEND SOUTHEAST OF A LINE FROM NOGALES TO SAFFORD.
HAVE UPPED POPS SIGNIFICANTLY IN THE OVERNIGHT PERIOD TONIGHT AS
MOISTURE MOVES IN RAPIDLY FROM THE WEST. HAVE UPPED POPS INTO THE
LIKELY CATEGORY OVER FAR WESTERN PIMA COUNTY AND CHANCE POPS AS FAR
EAST AS THE EASTERN HALF OF COCHISE COUNTY IN THE 06Z-12Z WEDNESDAY
TIME FRAME. SHOULD EXPECT TO SEE SHOWERS STARTING IN THE TUCSON
METRO AREA BETWEEN 3 AM AND 7 AM WEDNESDAY. A WINTER STORM WARNING
REMAINS IN EFFECT FROM 6 AM TO 11 PM WEDNESDAY FOR MUCH OF THE AREA
ABOVE 3500 FEET. IN ADDITION TO THE PRECIPITATION...EXPECT VERY
STRONG WINDS AGAIN ON WEDNESDAY. SOUTHWEST TO WEST WINDS OF 20 TO 35
MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH WILL BE POSSIBLE. THE
STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS
ACROSS COCHISE AND GRAHAM COUNTIES. TEMPERATURES WILL BE MUCH COLDER
THE NEXT COUPLE OF DAYS...WITH A 20-25 DEGREE DROP IN TEMPERATURES
BETWEEN TODAYS HIGH AND WEDNESDAYS HIGH TEMPERATURE.
BEHIND THIS SYSTEM...MODELS NOW INDICATING A STRONGER SECONDARY VORT
LOBE MOVING ACROSS THE REGION THURSDAY AFTERNOON INTO FRIDAY. HAVE
UPPED CLOUD COVER AND POPS FOR THIS PERIOD. WENT FROM SINGLE DIGIT
POPS TO SLIGHT CHANCE IN THE VALLEYS/CHANCE POPS IN THE MOUNTAINS.
AFTERNOON READINGS WILL REMAIN ON THE COOL SIDE...WITH THE HIGHS
TOPPING OUT 10-15 DEGREES BELOW NORMAL INTO THE WEEKEND. OVERNIGHT
LOWS ARE FORECASTED TO FALL BACK INTO THE LOWER/MID 30S FOR TUCSON
STARTING ON THURSDAY AND PERSISTING INTO THE WEEKEND. AT THIS POINT
NOT FORECASTING FREEZING OR BELOW FREEZING TEMPERATURES FOR THE
TUCSON METRO AREA.
THE MODELS THEN INDICATE WEAK RIDGING ACROSS THE REGION OVER THE
UPCOMING WEEKEND...WITH A SERIES OF SYSTEMS MOVING THROUGH THE FOUR
CORNERS REGION INTO NEXT WEEK. GIVEN THIS SCENARIO...TEMPERATURES
WILL REMAIN BELOW NORMAL WITH SINGLE DIGIT TO SLIGHT CHANCE POPS...
ESPECIALLY OVER THE EAST/NORTHEAST PORTION OF THE FORECAST AREA.
&&
.AVIATION...FEW-BKN CLOUDS ABOVE 15K FT AGL TODAY...THEN CLOUD DECKS
LOWERING TO AROUND 6-10K FT AGL BY EARLY WEDNESDAY MORNING OR
20/12Z. SURFACE WIND SLY/SWLY AT 15-25 KTS WITH GUSTS TO 35-45 KTS
CONTINUING INTO EARLY THIS EVENING OR 21/03Z...THEN SURFACE WIND
DIMINISHING TO 10-15 KTS WITH A SLY/SWLY DIRECTION LATE THIS
EVENING. SCT -SHRA TO DEVELOP WEST-TO-NORTHWEST OF KTUS 06Z-12Z
WEDNESDAY THEN BECOMING WIDESPREAD SHRA AND HIGHER TERRAIN SHSN
AFTER 12Z WEDNESDAY. EXPECT MVFR CIGS/VSBYS PARTICULARLY NEAR HIGHER
TERRAIN. CONDITIONS IMPROVING WEDNESDAY EVENING FROM WEST-TO-EAST.
AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.
&&
.FIRE WEATHER...AN APPROACHING PACIFIC STORM SYSTEM WILL RESULT IN
BREEZY TO WINDY CONDITIONS THROUGH THIS EVENING ACROSS MUCH OF
SOUTHEAST ARIZONA COINCIDING WITH WIDESPREAD RELATIVE HUMIDITY
VALUES AT OR BELOW 15 PERCENT. AS A RESULT...A RED FLAG WARNING IS
IN EFFECT THROUGH 7 PM MST THIS EVENING FOR ALL OF SANTA CRUZ AND
COCHISE COUNTIES...THE EASTERN TWO-THIRDS OF PIMA COUNTY...THE
EASTERN HALF OF SOUTHEAST PINAL COUNTY...AND THE EXTREME SOUTHERN
PORTIONS OF GRAHAM AND SOUTHERN GREENLEE COUNTIES.
VALLEY RAIN AND MOUNTAIN SNOW WILL OCCUR WEDNESDAY. ALTHOUGH STRONG
WINDS ARE EXPECTED WEDNESDAY...SIGNIFICANTLY INCREASED MOISTURE AND
WIDESPREAD SHOWERS WILL SIGNIFICANTLY REDUCE THE THREAT OF RAPID
FIRE SPREAD. A FEW LINGERING SHOWERS WILL OCCUR THURSDAY AND FRIDAY
ALONG WITH BELOW NORMAL DAYTIME TEMPERATURES CONTINUING THROUGH THE
WEEKEND.
&&
.TWC WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM 6 AM TO 11 PM MST WEDNESDAY FOR
AZZ503-504-506>515 ABOVE 3500 FEET.
RED FLAG WARNING UNTIL 7 PM MST THIS EVENING FOR AZZ147-148.
WIND ADVISORY UNTIL 7 PM MST THIS EVENING FOR
AZZ503-507>508-512>513
&&
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSONHazardous weather outlook, Feb 19, 12:54 PM MST, 5 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 1254 PM MST TUE FEB 19 2013 AZZ501-502-505-200200- WESTERN PIMA COUNTY-TOHONO O'ODHAM NATION- SOUTH CENTRAL PINAL COUNTY- 1254 PM MST TUE FEB 19 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT BREEZY CONDITIONS WILL OCCUR THIS AFTERNOON INTO TONIGHT. DRY CONDITIONS WILL PREVAIL INTO THIS EVENING FOLLOWED BY A GOOD CHANCE OF SHOWERS LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A STRONG AND COLD LOW PRESSURE SYSTEM WILL BRING PERIODS OF SHOWERS...GUSTY WINDS AND MUCH COLDER TEMPERATURES WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ510-200200- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- 1254 PM MST TUE FEB 19 2013 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT BREEZY CONDITIONS WILL OCCUR THIS AFTERNOON INTO TONIGHT. DRY CONDITIONS WILL PREVAIL INTO THIS EVENING FOLLOWED BY A SLIGHT CHANCE OF SNOW SHOWERS LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A STRONG AND COLD LOW PRESSURE SYSTEM WILL BRING SNOW SHOWERS... GUSTY WINDS AND MUCH COLDER TEMPERATURES WEDNESDAY. EXPECT 6 TO 12 INCHES OF SNOWFALL BETWEEN 5000 AND 7000 FEET...AND FROM 10 TO 16 INCHES OF SNOWFALL ABOVE 7000 FEET. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ503-504-506-509-511-514-515-200200- UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-UPPER GILA RIVER VALLEY- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- BABOQUIVARI MOUNTAINS- 1254 PM MST TUE FEB 19 2013 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM MST THIS EVENING... ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY ABOVE 3500 FEET... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT BREEZY TO WINDY CONDITIONS WILL OCCUR THIS AFTERNOON INTO TONIGHT. WINDS OF 15 TO 30 MPH WITH GUSTS TO BETWEEN 40 AND 50 MPH ARE EXPECTED. THE COMBINATION OF STRONG AND GUSTY SOUTH TO SOUTHWEST WINDS...LOW RELATIVE HUMIDITIES...AND A HIGH TO VERY HIGH FIRE DANGER RATING WILL CREATE CRITICAL FIRE CONDITIONS THIS AFTERNOON INTO EARLY THIS EVENING. THUS...A RED FLAG WARNING IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM MST THIS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A STRONG AND COLD LOW PRESSURE SYSTEM WILL THEN BRING SHOWERS AND SNOW SHOWERS...GUSTY WINDS...AND MUCH COLDER TEMPERATURES WEDNESDAY. EXPECT STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES BETWEEN 3000 AND 3500 FEET...3 TO 6 INCHES BETWEEN 3500 AND 5000 FEET...6 TO 12 INCHES OF SNOWFALL BETWEEN 5000 AND 7000 FEET...AND FROM 10 TO 16 INCHES OF SNOWFALL ABOVE 7000 FEET. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ507-508-512-513-200200- UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- 1254 PM MST TUE FEB 19 2013 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM MST THIS EVENING... ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY ABOVE 3500 FEET... ...WIND ADVISORY IN EFFECT UNTIL 7 PM MST THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT WINDY CONDITIONS WILL OCCUR THIS AFTERNOON INTO TONIGHT. WINDS OF 20 TO 35 MPH WITH GUSTS TO BETWEEN 40 AND 50 MPH ARE EXPECTED. THE COMBINATION OF STRONG AND GUSTY SOUTH TO SOUTHWEST WINDS...LOW RELATIVE HUMIDITIES...AND A HIGH TO VERY HIGH FIRE DANGER RATING WILL CREATE CRITICAL FIRE CONDITIONS THIS AFTERNOON INTO EARLY THIS EVENING. THUS...A RED FLAG WARNING IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM MST THIS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A STRONG AND COLD LOW PRESSURE SYSTEM WILL THEN BRING SHOWERS AND SNOW SHOWERS...GUSTY WINDS...AND MUCH COLDER TEMPERATURES WEDNESDAY. EXPECT STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES BETWEEN 3000 AND 3500 FEET...3 TO 6 INCHES BETWEEN 3500 AND 5000 FEET...6 TO 12 INCHES OF SNOWFALL BETWEEN 5000 AND 7000 FEET...AND FROM 10 TO 16 INCHES OF SNOWFALL ABOVE 7000 FEET. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
Nearby
Blizzard Warnings in Arizona, 2013Every blizzard warning in 2013
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.