Alert archive / Arizona / Winter Storm Warnings in 2013
Winter Storm Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this winter storm warning at Nov 22, 2013, 2:30 AM MST for 5 counties in Arizona. It took effect at Nov 22, 2013, 6:00 PM MST. It was in force for 33 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
- Nov 22, 2013, 2:30 AM MST (09:30 UTC)
- In effect from
- Nov 22, 2013, 6:00 PM MST
- Expired
- Nov 24, 2013, 3:12 AM MST
- In force
- 33 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ
The radar
The Tucson radar (KEMX), 82 km from the middle of the area, began a volume at 09:30 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 00:00Z, 9.5 hours before the alert went out and 67 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
- 93 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1935 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
380 WWUS45 KTWC 220930 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 230 AM MST FRI NOV 22 2013 .A STRONG AND SLOW MOVING STORM SYSTEM OVER SOUTHERN CALIFORNIA WILL BRING THE FIRST SIGNIFICANT SNOW STORM OF THE SEASON TO THE AREA TONIGHT THROUGH SATURDAY AND INTO SUNDAY. AZZ510-511-514-221730- /O.UPG.KTWC.WS.A.0003.131123T0100Z-131124T1900Z/ /O.NEW.KTWC.WS.W.0003.131123T0100Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... MOUNT LEMMON...SUMMERHAVEN 230 AM MST FRI NOV 22 2013 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 11 AM 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 6 PM THIS EVENING TO 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT. * TIMING...THIS EVENING THROUGH SATURDAY INTO SUNDAY MORNING. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7500 FEET. * SNOW LEVELS...SNOW LEVELS AROUND 9000 FEET THIS EVENING...8000 FEET SATURDAY MORNING...7000 FEET SATURDAY AFTERNOON AND AROUND 6500 FEET SATURDAY EVENING INTO SUNDAY MORNING. * WINDS...SOUTH TO SOUTHEAST 10 TO 20 MPH WITH GUSTS TO 30 MPH. * 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. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
8 follow-up statements
242 WWUS45 KTWC 221720 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 1020 AM MST FRI NOV 22 2013 .A STRONG AND SLOW MOVING STORM SYSTEM OVER SOUTHERN CALIFORNIA WILL BRING THE FIRST SIGNIFICANT SNOW STORM OF THE SEASON TO THE AREA TONIGHT THROUGH SATURDAY AND INTO SUNDAY. AZZ510-511-514-230400- /O.CON.KTWC.WS.W.0003.131123T0100Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... MOUNT LEMMON...SUMMERHAVEN 1020 AM MST FRI NOV 22 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT. * TIMING...THIS EVENING THROUGH SATURDAY INTO SUNDAY MORNING. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7500 FEET. * SNOW LEVELS...SNOW LEVELS AROUND 9000 FEET THIS EVENING... 8000 FEET SATURDAY MORNING...7000 FEET SATURDAY AFTERNOON AND AROUND 6500 FEET SATURDAY EVENING INTO SUNDAY MORNING. * WINDS...SOUTH TO SOUTHEAST 10 TO 20 MPH WITH GUSTS TO 35 MPH. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
499 WWUS45 KTWC 222125 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 225 PM MST FRI NOV 22 2013 .A STRONG AND SLOW MOVING STORM SYSTEM OVER SOUTHERN CALIFORNIA WILL BRING THE FIRST SIGNIFICANT SNOW STORM OF THE SEASON TO THE AREA TONIGHT THROUGH SATURDAY AND INTO SUNDAY. AZZ510-511-514-230600- /O.CON.KTWC.WS.W.0003.131123T0100Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... MOUNT LEMMON...SUMMERHAVEN 225 PM MST FRI NOV 22 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT ACROSS THE WHITE MOUNTAINS AND OVER THE UPPER ELEVATIONS OF THE CATALINA HIGHWAY ON MT LEMMON. * TIMING...THIS EVENING THROUGH SATURDAY INTO SUNDAY MORNING. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON...MAINLY ABOVE 7000 FEET. LOCAL ACCUMULATIONS AROUND 20 INCHES AT THE HIGHEST ELEVATIONS. * SNOW LEVELS...SNOW LEVELS AROUND 9000 FEET THIS EVENING...8000 FEET SATURDAY MORNING...7000 FEET SATURDAY AFTERNOON AND AROUND 6500 FEET SATURDAY EVENING INTO SUNDAY MORNING. * WINDS...SOUTH TO SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * 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. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ512-230600- /O.NEW.KTWC.WW.Y.0007.131123T1200Z-131124T1800Z/ CHIRICAHUA MOUNTAINS- INCLUDING THE CITY OF...CHIRICAHUA NM 225 PM MST FRI NOV 22 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVEL DIFFICULT. * TIMING...SATURDAY THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...3 TO 6 INCHES PRIMARILY ABOVE 6000 FEET ON THE EAST SLOPES OF THE CHIHUAHUA'S WITH SOMEWHAT LESSOR AMOUNTS ON THE WEST SLOPES. * SNOW LEVELS...STARTING NEAR 8000 FEET SATURDAY MORNING QUICKLY LOWERING TO 600O FEET BY SATURDAY EVENING AND NEAR 5000 FEET EARLY SUNDAY MORNING. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW ARE LIKELY WHICH WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
330 WWUS45 KTWC 230419 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 919 PM MST FRI NOV 22 2013 .A STRONG AND SLOW MOVING STORM SYSTEM OVER SOUTHERN CALIFORNIA WILL BRING THE FIRST SIGNIFICANT SNOW STORM OF THE SEASON TO THE AREA TONIGHT THROUGH SATURDAY AND INTO SUNDAY. AZZ510-511-514-231230- /O.CON.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... MOUNT LEMMON...SUMMERHAVEN 919 PM MST FRI NOV 22 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT ACROSS THE WHITE MOUNTAINS AND OVER THE UPPER ELEVATIONS OF THE CATALINA HIGHWAY ON MT LEMMON. * TIMING...THIS EVENING THROUGH SATURDAY INTO SUNDAY MORNING. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7000 FEET. LOCAL ACCUMULATIONS AROUND 20 INCHES AT THE HIGHEST ELEVATIONS. * SNOW LEVELS...SNOW LEVELS AROUND 9000 FEET THIS EVENING... 8000 FEET SATURDAY MORNING...7000 FEET SATURDAY AFTERNOON AND AROUND 6500 FEET SATURDAY EVENING INTO SUNDAY MORNING. * WINDS...SOUTH TO SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * 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. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ512-231230- /O.CON.KTWC.WW.Y.0007.131123T1200Z-131124T1800Z/ CHIRICAHUA MOUNTAINS- INCLUDING THE CITY OF...CHIRICAHUA NM 919 PM MST FRI NOV 22 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVELDIFFICULT. * TIMING...SATURDAY THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...3 TO 6 INCHES PRIMARILY ABOVE 6000 FEET ONTHE EAST SLOPES OF THE CHIHUAHUA'S WITH SOMEWHAT LESSOR AMOUNTS ON THE WEST SLOPES. * SNOW LEVELS...STARTING NEAR 8000 FEET SATURDAY MORNING QUICKLY LOWERING TO 600O FEET BY SATURDAY EVENING AND NEAR 5000 FEET EARLY SUNDAY MORNING. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW ARE LIKELY WHICH WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
394 WWUS45 KTWC 231229 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 529 AM MST SAT NOV 23 2013 AZZ510-511-514-232000- /O.CON.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... MOUNT LEMMON...SUMMERHAVEN 529 AM MST SAT NOV 23 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY ABOVE 7500 FEET... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY ABOVE 7500 FEET. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT ACROSS THE WHITE MOUNTAINS AND ACROSS THE UPPER ELEVATIONS OF THE CATALINA HIGHWAY ON MOUNT LEMMON. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7000 FEET. EXPECT LOCAL ACCUMULATIONS AROUND 20 INCHES AT THE HIGHEST ELEVATIONS. * SNOW LEVELS...SNOW LEVELS AROUND 7000 FEET TODAY THEN LOWERING TO 6000 TO 7000 FEET THIS EVENING AND CONTINUING INTO SUNDAY MORNING. * WINDS...SOUTH TO SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * 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. && $$ AZZ512-232000- /O.CON.KTWC.WW.Y.0007.000000T0000Z-131124T1800Z/ CHIRICAHUA MOUNTAINS- INCLUDING THE CITY OF...CHIRICAHUA NM 529 AM MST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...3 TO 6 INCHES PRIMARILY ABOVE 6000 FEET ON THE EAST SLOPES OF THE CHIHUAHUA MOUNTAINS WITH LOWER AMOUNTS ON THE WEST SLOPES. * SNOW LEVELS...STARTING NEAR 7000 FEET THIS MORNING QUICKLY LOWERING TO 550O FEET BY THIS EVENING...AND NEAR 5000 FEET EARLY SUNDAY MORNING. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW ARE LIKELY WHICH WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
663 WWUS45 KTWC 232002 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 102 PM MST SAT NOV 23 2013 AZZ510-511-514-240000- /O.CON.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... MOUNT LEMMON...SUMMERHAVEN 102 PM MST SAT NOV 23 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT ACROSS THE WHITE MOUNTAINS AND ACROSS THE UPPER ELEVATIONS OF THE CATALINA HIGHWAY ON MOUNT LEMMON. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7000 FEET. EXPECT LOCAL ACCUMULATIONS AROUND 20 INCHES AT THE HIGHEST ELEVATIONS. * SNOW LEVELS...SNOW LEVELS AROUND 7000 FEET TODAY THEN LOWERING TO 6000 TO 7000 FEET THIS EVENING AND CONTINUING INTO SUNDAY MORNING. * WINDS...SOUTH TO SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * 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. && $$ AZZ512-240000- /O.CON.KTWC.WW.Y.0007.000000T0000Z-131124T1800Z/ CHIRICAHUA MOUNTAINS- INCLUDING THE CITY OF...CHIRICAHUA NM 102 PM MST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...3 TO 6 INCHES PRIMARILY ABOVE 6000 FEET ONTHE EAST SLOPES OF THE CHIHUAHUA MOUNTAINS WITH LOWER AMOUNTS ON THE WEST SLOPES. * SNOW LEVELS...STARTING NEAR 7000 FEET THIS MORNING QUICKLY LOWERING TO 550O FEET BY THIS EVENING...AND NEAR 5000 FEET EARLY SUNDAY MORNING. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW ARE LIKELY WHICH WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
684 WWUS45 KTWC 232154 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 254 PM MST SAT NOV 23 2013 AZZ514-240600- /O.CAN.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ /O.EXA.KTWC.WW.Y.0007.000000T0000Z-131124T1800Z/ CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...MOUNT LEMMON...SUMMERHAVEN 254 PM MST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST SUNDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER WEATHER ADVISORY FOR THE CATALINA AND RINCON MOUNTAINS WHICH IS IN EFFECT UNTIL 11 AM MST SUNDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...5 TO 8 INCHES PRIMARILY ABOVE 6500 FEET. * SNOW LEVELS...7000 FEET THIS AFTERNOON LOWERING TO 550O FEET BY SUNDAY MORNING. * 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. && $$ AZZ510-511-240600- /O.CON.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM 254 PM MST SAT NOV 23 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7000 FEET. * SNOW LEVELS...SNOW LEVELS LOWERING TO 6000 FEET OVERNIGHT INTO SUNDAY. * WINDS...SOUTH TO SOUTHEAST 12 TO 22 MPH WITH GUSTS TO 30 MPH. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ512-240600- /O.CON.KTWC.WW.Y.0007.000000T0000Z-131124T1800Z/ CHIRICAHUA MOUNTAINS- INCLUDING THE CITY OF...CHIRICAHUA NM 254 PM MST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...3 TO 6 INCHES PRIMARILY ABOVE 6000 FEET ON THE EAST SLOPES OF THE CHIHUAHUA MOUNTAINS WITH LOWER AMOUNTS ON THE WEST SLOPES. * SNOW LEVELS...NEAR 6500 FEET THIS AFTERNOON LOWERING TO NEAR 5000 FEET EARLY SUNDAY MORNING. * 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. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
482 WWUS45 KTWC 240338 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 838 PM MST SAT NOV 23 2013 AZZ510-511-241400- /O.CON.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM 838 PM MST SAT NOV 23 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF HEAVY WET SNOW WILL MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY SUNDAY AFTERNOON... MAINLY ABOVE 7000 FEET. * SNOW LEVELS...SNOW LEVELS LOWERING TO 5500 TO 6000 FEET OVERNIGHT INTO SUNDAY. * WINDS...SOUTH TO SOUTHEAST 12 TO 22 MPH WITH GUSTS TO 30 MPH. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT WEATHER.GOV/TUCSON AND CLICK ON THE DETAILED HAZARDS TAB PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. LISTEN TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ512-514-241400- /O.CON.KTWC.WW.Y.0007.000000T0000Z-131124T1800Z/ CHIRICAHUA MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...CHIRICAHUA NM...MOUNT LEMMON... SUMMERHAVEN 838 PM MST SAT NOV 23 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * IMPACTS...PERIODS OF LIGHT TO MODERATE WET SNOW MAY MAKE TRAVEL DIFFICULT. * SNOW ACCUMULATIONS...5 TO 8 INCHES PRIMARILY ABOVE 6500 FEET. * SNOW LEVELS...6500 TO 7000 FEET THIS EVENING LOWERING TO 550O FEET BY SUNDAY MORNING. * 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. && $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
274 WWUS45 KTWC 241012 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 312 AM MST SUN NOV 24 2013 AZZ510-511-241115- /O.CAN.KTWC.WS.W.0003.000000T0000Z-131124T1800Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM 312 AM MST SUN NOV 24 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WINTER STORM WARNING. SNOW SHOWERS WILL BE LIKELY ACROSS THE WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES...AS WELL AS THE GALIURO AND PINALENO MOUNTAINS IN GRAHAM COUNTY TODAY. HOWEVER...ADDITIONAL SNOW ACCUMULATIONS OF ONLY ABOUT 1 TO 2 INCHES ARE EXPECTED TO OCCUR. THUS...THE WINTER STORM WARNING HAS BEEN CANCELLED. $$ AZZ512-514-241115- /O.CAN.KTWC.WW.Y.0007.000000T0000Z-131124T1800Z/ CHIRICAHUA MOUNTAINS-CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...CHIRICAHUA NM...MOUNT LEMMON... SUMMERHAVEN 312 AM MST SUN NOV 24 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WINTER WEATHER ADVISORY. A CHANCE OF SNOW SHOWERS WILL CONTINUE ACROSS THE CHIRICAHUA MOUNTAINS IN EASTERN COCHISE COUNTY...AS WELL AS THE CATALINA AND RINCON MOUNTAINS IN EASTERN PIMA COUNTY. HOWEVER...ADDITIONAL SNOW ACCUMULATIONS OF JUST UP TO 1 INCH ARE EXPECTED TO OCCUR. THUS... THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. $$ VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Nov 21, 8:56 PM MST, 5 hours 34 minutes earlier.
Area forecast discussion, Nov 21, 8:56 PM MST, 5 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
856 PM MST THU NOV 21 2013
.SYNOPSIS...A STRONG...COLD AND SLOW MOVING PACIFIC LOW PRESSURE
SYSTEM WILL SHIFT FROM THE SOUTHERN CALIFORNIA COAST EARLY FRIDAY
AND MOVE SLOWLY THROUGH ARIZONA OVER THE WEEKEND. MUCH COOLER AIR
WILL MOVE IN WITH VALLEY RAIN AND HIGH ELEVATION MOUNTAIN SNOW
FRIDAY INTO SATURDAY. THIS SLOW MOVING SYSTEM WILL CONTINUE TO BRING
OCCASIONAL VALLEY SHOWERS AND MOUNTAIN SNOW SUNDAY BEFORE PUSHING
AWAY EARLY NEXT WEEK WITH MUCH COLDER OVERNIGHT LOWS.
&&
.DISCUSSION...WATER VAPOR IMAGERY SHOWS THE UPPER LOW THAT WILL
BRING CONSIDERABLE RAINS TO ARIZONA SPINNING OVER CENTRAL CALIFORNIA
AT THIS TIME. IR SATELLITE IMAGERY SHOWS PLENTY OF CLOUDINESS OUT
AHEAD OF THIS SYSTEM ACROSS MUCH OF NEVADA...UTAH...COLORADO...AS
WELL AS ARIZONA AND INTO MUCH OF NEW MEXICO. RADAR MOSAIC FROM
AROUND THE REGION SHOWS A LARGE SWATH OF PRECIPITATION OVER EXTREME
SOUTHEASTERN CALIFORNIA AND EXTREME SOUTHWEST ARIZONA...WITH ALL OF
THIS ACTIVITY MOVING TO THE NORTHEAST. EMBEDDED SHOWERS AND
THUNDERSTORMS EXTEND FROM WSW OF THE YUMA AREA AND INTO PORTIONS OF
THE PHOENIX METRO AREA. MEANWHILE...ISOLATED SHOWERS HAVE BEEN
OCCURRING OVER MY FORECAST AREA...MAINLY WEST OF THE TUCSON AREA AND
INTO CENTRAL PORTIONS OF PINAL COUNTY.
EXPECTING THE PRECIPITATION TO CONTINUE TO MOVE CLOSER TO THE AREA
FROM THE WEST OVERNIGHT. INHERITED POP FORECAST FOR THE OVERNIGHT
HOURS LOOKS PRETTY GOOD WITH A FAIRLY TIGHT GRADIENT OF
PRECIPITATION CHANCES...WITH THE LOWEST OCCURRING OVER COCHISE
COUNTY AND THE HIGHEST CHANCES OVER THE FAR WESTERN DESERTS AND
MOUNTAIN TOPS. WILL MAKE SOME MINOR ADJUSTMENTS THROUGH THE
REMAINDER OF THE EVENING HOURS TO THE POP GRIDS JUST TO ALLOW FOR
CURRENT RADAR AND SATELLITE TRENDS.
AS OF 03Z (8 PM MST)...TEMPERATURES ACROSS DESERT/VALLEY LOCATIONS
WERE GENERALLY IN THE 60S...WITH READINGS IN THE UPPER 30S TO THE
MID 40S FOR MOUNTAIN TOP LOCATIONS. THESE READINGS ARE ON TRACK WITH
THE INHERITED OVERNIGHT LOW TEMPERATURES...SO NO CHANGES ARE PLANNED
AT THIS TIME...BUT WILL CONTINUE TO MONITOR SURFACE OBSERVATIONS AND
WILL MAKE ADJUSTMENTS IF NEEDED.
FOR DETAILS REGARDING THE FORECAST BEYOND TONIGHT...PLEASE REFER TO
THE PREVIOUS DISCUSSION BELOW.
&&
.AVIATION...AS A STORM SYSTEM DVLPS OVER SRN CA TNGT AND LINGER
THERE THRU FRI...EXPECT SLOWLY LWRG CONDS ACROSS THE AREA. MVFR
CONDS LIKELY DVLPG AFTER 22/06Z W OF KTUS WITH AREAS OF RA/SLGT CHC
OF TS. THERE IS A CHANCE FOR LCL IFR VSBY/CIGS CONDS WITH +RA.
REMAINDER OF THE AREA WILL SEE ISOLD-SCTD -SHRA DVLPG BTWN THRU
22/12Z WITH AREAS OF MVFR CONDS DVLPG THRU 22/22Z. SFC WINDS BCMG
SLY AT 10-15 KNOTS. AVIATION DISCUSSION NOT UPDATED FOR TAF
AMENDMENTS.
&&
.FIRE WEATHER...UNSETTLED WEATHER WILL BE AROUND THROUGH THE WEEKEND
AS A STORM SYSTEM IMPACTS THE DESERT SOUTHWEST. THE STORM WILL BRING
A SIGNIFICANT AMOUNT OF MOISTURE TO THE AREA...RESULTING IN PERIODS
OF RAIN AND MOUNTAIN SNOW FROM LATE TONIGHT THROUGH SUNDAY WITH
LINGERING SHOWERS AROUND SUNDAY NIGHT THROUGH MONDAY. TEMPERATURES
WILL BECOME MUCH COOLER WITH THIS SYSTEM. THUNDERSTORMS ARE POSSIBLE
FRIDAY INTO SUNDAY. A DRYING TREND WILL BEGIN MONDAY FROM THE WEST
WITH GRADUALLY WARMING AFTERNOON TEMPERATURES.
&&
.HYDROLOGY...THE SYSTEM HAS THE POTENTIAL TO GENERATE SIGNIFICANT
RAINS ACROSS WESTERN PORTIONS OF OUR FORECAST AREA. AT THIS TIME
STORM TOTAL ACCUMULATIONS OF 1.5 TO 2.5 INCHES OF RAIN ARE FORECAST
OVER THE VALLEY LOCATIONS OF WESTERN PIMA AND CENTRAL AND WESTERN
PINAL COUNTIES WITH THE BULK OF THAT FALLING FROM FRIDAY MORNING
THROUGH FRIDAY NIGHT UNDER THE MAIN BAND OF PRECIPITATION. SOMEWHAT
HIGHER AMOUNTS ARE LIKELY OVER HIGHER TERRAIN. THERE IS THE
POSSIBILITY OF LOCATIONS RECEIVING OVER 3 INCHES IN THIS AREA. FOR
THE REMAINDER OF SE ARIZONA...LIGHTER AMOUNTS ARE EXPECTED THROUGH
FRIDAY AND GENERALLY RANGING FROM 1 TO 4 TENTHS OF AN INCH FROM
OCCASIONAL SHOWERS. AS THE BAND MOVES EAST ACROSS THIS REGION
THROUGH SATURDAY...ANOTHER 5 TENTHS TO ONE INCH IS EXPECTED. THE
AREA WITH THE LOWEST FORECAST STORM TOTAL ACCUMULATION IS NEAR
DOUGLAS WITH JUST UNDER AN INCH. CERNIGLIA
&&
.PREVIOUS DISCUSSION...SATELLITE IMAGERY CONTINUES TO INDICATE THE
STORM IS DEVELOPING NICELY AND AS EXPECTED AND PUSHING TOWARD THE
SOUTHERN CENTRAL CALIFORNIA COAST. ABUNDANT MOISTURE CONTINUES TO
STREAM OUR WAY AND THE INCREASE IN CLOUD COVER INDICATES THAT.
RADAR ECHOES BEGINNING TO SHOW UP OVER FAR SW AZ LAST HOUR OR SO
WITH PLENTY MORE FURTHER NORTH. AS THE VERTICAL MOTION INCREASES
THIS EVENING WITH THE ADVANCING MOISTURE...SHOWERS WILL EXPAND
FAIRLY QUICKLY THE FIRST HALF OF THE NIGHT WEST AND NORTH OF THE
LOCAL TUCSON AREA. THEN SCATTERED SHOWER ACTIVITY WILL DEVELOP
ACROSS MOST OF SE AZ OVERNIGHT WITH MORE NUMEROUS SHOWERS WEST AND
NORTH.
AS THE FLOW ALOFT CONSOLIDATES AND REALLY BEGINS TO WORK ON THE
AVAILABLE MOISTURE...A SW-NE BAND OF STEADIER AND HEAVIER RAIN WILL
DEVELOP OVER THE FAR WESTERN PORTION OF OUR AREA LATE TONIGHT INTO
EARLY FRIDAY. AS THE LOW CONTINUES TO CLOSE OFF AND SIT THIS BAND
OF ENHANCED RAIN WILL BECOME MORE S-N ORIENTED AND GRADUALLY SHIFT
EAST THROUGH FRIDAY ENDING UP JUST WEST OF TUCSON FRIDAY EVENING.
UNDER THIS BAND A STEADY MODERATE TO OCCASIONALLY HEAVY RAIN WILL
FALL WITH AN INCH OR TWO EXPECTED AND POSSIBLY MORE BY FRIDAY
EVENING AREAS WEST OF KITT PEAK. WE WILL NEED TO KEEP AN EYE OUT
FOR THIS AREA FOR RUNOFF PROBLEMS AND A FLOOD WATCH WILL BE ISSUED
TO HIGHLIGHT THE THREAT.
FOR FRIDAY EAST OF THE BAND /TUCSON EASTWARD/ AREAS OF LIGHT RAIN
WILL OCCUR AT TIMES WITH MUCH LIGHTER AMOUNTS OF RAIN...UP TO A FEW
TENTHS OF AN INCH...BUT MORE EXPECTED LATER. THERE IS ALSO A SLIGHT
CHANCE OF A THUNDERSTORM DURING THE DAY. SNOW LEVELS WILL BE HIGH
FRIDAY AT OR ABOVE 9000 FT SO SNOW AMOUNTS OVER THE HIGHEST TERRAIN
WILL BE LIMITED.
FRIDAY NIGHT THROUGH SATURDAY THE BAND OF HEAVIER PRECIPITATION
BEGINS TO SHIFT EAST ACROSS THE REMAINDER OF THE FORECAST AREA
BRINGING A PERIOD OF STEADY RAIN TO NEARLY ALL AREAS AT SOME POINT
WITH LOCATIONS FURTHER EAST RECEIVING THE LESSOR AMOUNTS AS THE BAND
ACCELERATES. AT THIS TIME WOULD EXPECT THE BAND TO BE OVER THE
TUCSON AREA EARLY SATURDAY MORNING AND SHIFTING EAST BY AFTERNOON
ENDING UP ALONG THE NM BORDER LATE SATURDAY EVENING. MOST VALLEY
AREAS SHOULD PICK UP HALF TO ONE INCH OF RAIN WITH THE PASSAGE OF
THIS BAND WITH MOUNTAINS RECEIVING MORE. AGAIN THE AIR MASS IS JUST
UNSTABLE ENOUGH THAT A CRACK OF LIGHTNING CAN'T BE RULED OUT. AT
THE SAME TIME THE SNOW LEVEL WILL DROP FROM AROUND 9000 FT EARLY
FRIDAY EVENING TO AROUND 7000 FT OR A BIT BELOW BY LATE SATURDAY FOR
ACCUMULATING SNOWS ALL MOUNTAINS SIGNIFICANTLY ABOVE THIS
ELEVATION.
FOR SUNDAY...THE MAIN BAND OF PRECIPITATION SHOULD BE EAST OF OUR
AREA WITH THE COLD UPPER LEVEL LOW BEGINNING TO EASE OVERHEAD. THIS
COLD POOL ALOFT WILL HELP TO DESTABILIZE THE ATMOSPHERE FOR
SCATTERED SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
TEMPERATURES WILL CONTINUE TO BE COOL WITH HIGHS 10-14 DEGREES BELOW
NORMAL FOR THE 2ND DAY IN A ROW. WHILE PRECIPITATION WILL BE
LIGHTER AND MORE SCATTERED THE SNOW LEVEL WILL BE PUSHING DOWN TO
AROUND 6000 FEET AND POSSIBLY A BIT LOWER OVER THE WHITE MOUNTAINS.
FOR MONDAY...A STRAY SHOWER IS POSSIBLE NEAR THE NEW MEXICO BORDER
AND OVER THE WHITE MOUNTAINS OTHERWISE...PARTLY SUNNY AND REMAINING
RATHER COOL. THE NEXT ISSUE TO DEAL WITH IS THE LOW TEMPERATURES
TUESDAY AND WEDNESDAY MORNINGS AS A COOL AIR MASS WILL BE IN PLACE.
LOWERED TEMPERATURES SEVERAL DEGREES EAST OF TUCSON WITH SOME OF THE
FAVORED COLD SPOTS DOWN INTO THE MID 20S AT THIS TIME. THE COOL AIR
MASS AND CLEAR SKIES WILL BE TEMPERED A BIT BY THE MOISTURE LEFT
BEHIND BUT THIS WILL COME INTO BETTER FOCUS AS WE CLOSE IN ON THIS
TIMEFRAME. CERNIGLIA
&&
.TWC WATCHES/WARNINGS/ADVISORIES...WINTER STORM WATCH FROM FRIDAY
EVENING THROUGH SUNDAY MORNING FOR AZZ510-511-514.
FLOOD WATCH FOR AZZ501-502-505-515 FOR 5 AM FRIDAY THROUGH 5 AM
SATURDAY.
&&
VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSONThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 22, 2:25 PM MST | Winter Weather Advisory | TWC | Cochise, Pima, Pinal | 37 hr |
Nearby
Winter Storm Warnings in Arizona, 2013Every winter storm 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.