Alert archive / Arizona / Winter Storm Warnings in 2011
Winter Storm Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this winter storm warning at Feb 26, 2011, 2:28 AM MST for 6 counties in Arizona. It took effect at Feb 27, 2011, 12:00 AM MST. It was in force for 11 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 26, 2011, 2:28 AM MST (09:28 UTC)
- In effect from
- Feb 27, 2011, 12:00 AM MST
- Expired
- Feb 27, 2011, 10:43 AM MST
- In force
- 11 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 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 (KTUS), launched 00:00Z, 9.5 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
- 4110 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
489 WWUS45 KTWC 260928 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 228 AM MST SAT FEB 26 2011 AZZ510>514-261730- /O.UPG.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ /O.NEW.KTWC.WS.W.0001.110227T0600Z-110228T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... CHIRICAHUA NM...BISBEE...CANELO HILLS...MOUNT LEMMON... SUMMERHAVEN 228 AM MST SAT FEB 26 2011 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS ARIZONA SATURDAY AND MOVE INTO SOUTHEAST ARIZONA SATURDAY NIGHT AND SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS BY SUNDAY EVENING IN EXCESS OF 12 INCHES IS EXPECTED IN THE MOUNTAINS. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET SATURDAY EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT STRONG GUSTY WINDS TO OCCUR SATURDAY NIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. 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. && $$ AZZ515-261730- /O.NEW.KTWC.WS.W.0001.110227T0600Z-110228T0000Z/ BABOQUIVARI MOUNTAINS- 228 AM MST SAT FEB 26 2011 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS ARIZONA SATURDAY AND MOVE INTO SOUTHEAST ARIZONA SATURDAY NIGHT AND SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS BY SUNDAY EVENING IN EXCESS OF 8 INCHES IS EXPECTED IN THE MOUNTAINS. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET SATURDAY EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT STRONG GUSTY WINDS TO OCCUR SATURDAY NIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ503-504-506>509-261730- /O.CON.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ 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- INCLUDING THE CITIES OF...NOGALES...TUCSON...GREEN VALLEY... MARANA...VAIL...MAMMOTH...ORACLE...SIERRA VISTA...BENSON... WILLCOX...CLIFTON...SAFFORD 228 AM MST SAT FEB 26 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS ARIZONA SATURDAY AND MOVE INTO SOUTHEAST ARIZONA SATURDAY NIGHT AND SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE POSSIBLE BY SUNDAY EVENING BETWEEN 4000 AND 7000 FEET. ALSO...THERE IS THE POTENTIAL FOR 1 TO 2 INCHES OF SNOW ACCUMULATIONS AT NOGALES... SONOITA...SIERRA VISTA...BISBEE...AND WITHIN THE TUCSON METRO AREA. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET SATURDAY EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR SATURDAY NIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY SERIOUSLY IMPACT TRAVEL. GUSTY WINDS AND BLOWING SNOW IS ALSO POSSIBLE. THOSE PLANNING TRAVEL INTO THE WATCH AREA SHOULD PREPARE FOR DIFFICULT WINTER DRIVING CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS DEVELOPING WINTER STORM. && $$ HTTP://WEATHER.GOV/TUCSON
6 follow-up statements
859 WWUS45 KTWC 261743 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 1043 AM MST SAT FEB 26 2011 AZZ510>515-262200- /O.CON.KTWC.WS.W.0001.110227T0600Z-110228T0000Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... CHIRICAHUA NM...BISBEE...CANELO HILLS...MOUNT LEMMON... SUMMERHAVEN 1043 AM MST SAT FEB 26 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS ARIZONA LATER TODAY AND MOVE INTO SOUTHEAST ARIZONA TONIGHT AND SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS BY SUNDAY EVENING IN EXCESS OF 8 INCHES IS EXPECTED IN THE MOUNTAINS. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT STRONG GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ503-504-506>509-262200- /O.CON.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ 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- INCLUDING THE CITIES OF...NOGALES...TUCSON...GREEN VALLEY... MARANA...VAIL...MAMMOTH...ORACLE...SIERRA VISTA...BENSON... WILLCOX...CLIFTON...SAFFORD 1043 AM MST SAT FEB 26 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS ARIZONA LATER TODAY AND MOVE INTO SOUTHEAST ARIZONA TONIGHT AND SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS OF 4 TO 8 INCHES ARE POSSIBLE BY SUNDAY EVENING BETWEEN 4000 AND 7000 FEET. ALSO... THERE IS THE POTENTIAL FOR 1 TO 2 INCHES OF SNOW ACCUMULATIONS AT NOGALES... SONOITA...SIERRA VISTA... BISBEE...AND WITHIN THE TUCSON METRO AREA. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY SERIOUSLY IMPACT TRAVEL. GUSTY WINDS AND BLOWING SNOW IS ALSO POSSIBLE. THOSE PLANNING TRAVEL INTO THE WATCH AREA SHOULD PREPARE FOR DIFFICULT WINTER DRIVING CONDITIONS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS DEVELOPING WINTER STORM. && $$ HTTP://WEATHER.GOV/TUCSON
236 WWUS45 KTWC 262041 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 141 PM MST SAT FEB 26 2011 AZZ503-506-270500- /O.UPG.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ /O.EXB.KTWC.WS.W.0001.110227T0900Z-110227T1900Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- INCLUDING THE CITIES OF...NOGALES...ORACLE 141 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING IN EFFECT FROM 2 AM TO NOON MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 2 AM TO NOON MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS THE AREA TONIGHT INTO EARLY SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS OF 3 TO 6 INCHES ARE POSSIBLE BY SUNDAY AFTERNOON ABOVE 4000 FEET. BRIEF SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN ALSO BE ANTICIPATED FROM 2500 TO 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...SNOW ACCUMULATIONS COULD IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ507-509-270500- /O.UPG.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ /O.EXB.KTWC.WS.W.0001.110227T0900Z-110227T2200Z/ UPPER SAN PEDRO RIVER VALLEY-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...SIERRA VISTA...BENSON...CLIFTON... SAFFORD 141 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A STRONG WINTER STORM WILL MOVE THROUGH THE AREA TONIGHT INTO EARLY SUNDAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 4 INCHES CAN BE ANTICIPATED BY SUNDAY LATE AFTERNOON. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...ACCUMULATING SNOW MAY IMPACT TRAVEL. 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. && $$ AZZ504-270500- /O.UPG.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ /O.EXB.KTWC.WS.W.0001.110227T0900Z-110227T1900Z/ TUCSON METRO AREA- INCLUDING THE CITY OF...VAIL 141 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING IN EFFECT FROM 2 AM TO NOON MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 2 AM TO NOON MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A STRONG WINTER STORM WILL PASS THROUGH THE AREA TONIGHT INTO EARLY SUNDAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN BE ANTICIPATED BY SUNDAY AFTERNOON...ESPECIALLY IN THE FOOTHILLS AND VAIL AREAS. A FEW SPOTS IN THE TUCSON METRO COULD SEE LIGHT SNOW ACCUMULATIONS GENERALLY LESS THAN 1 INCH BRIEFLY SUNDAY MORNING. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...BRIEF SNOW ACCUMULATIONS MAY IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ510>515-270500- /O.EXT.KTWC.WS.W.0001.110227T0700Z-110227T2200Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... CHIRICAHUA NM...BISBEE...CANELO HILLS...MOUNT LEMMON... SUMMERHAVEN 141 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MST SUNDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS THE AREA TONIGHT AND SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS BY SUNDAY EVENING IN EXCESS OF 8 INCHES IS EXPECTED IN THE MOUNTAINS. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT STRONG GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. 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. && $$ AZZ508-270500- /O.UPG.KTWC.WS.A.0001.110227T0600Z-110228T0000Z/ /O.NEW.KTWC.WW.Y.0002.110227T0900Z-110227T2200Z/ EASTERN COCHISE COUNTY BELOW 5000 FEET- INCLUDING THE CITY OF...WILLCOX 141 PM MST SAT FEB 26 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A STRONG WINTER STORM WILL MOVE THROUGH THE AREA TONIGHT AND SUNDAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 2 INCHES CAN BE ANTICIPATED BY SUNDAY LATE AFTERNOON. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...BRIEF SNOW ACCUMULATIONS MAY IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW ARE LIKELY WHICH WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ HTTP://WEATHER.GOV/TUCSON
308 WWUS45 KTWC 270500 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 1000 PM MST SAT FEB 26 2011 AZZ510>515-271300- /O.CON.KTWC.WS.W.0001.110227T0700Z-110227T2200Z/ WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM... CHIRICAHUA NM...BISBEE...CANELO HILLS...MOUNT LEMMON... SUMMERHAVEN 1000 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS THE AREA OVERNIGHT INTO SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS BY SUNDAY EVENING IN EXCESS OF 8 INCHES IS EXPECTED IN THE MOUNTAINS. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT STRONG GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...SIGNIFICANT SNOWFALL ABOVE 4000 FEET WILL INHIBIT TRAVEL. 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. && $$ AZZ503-506-271300- /O.CON.KTWC.WS.W.0001.110227T0900Z-110227T1900Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- INCLUDING THE CITIES OF...NOGALES...ORACLE 1000 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS THE AREA OVERNIGHT INTO EARLY SUNDAY. * SNOW ACCUMULATIONS...SNOWFALL AMOUNTS OF 3 TO 6 INCHES ARE POSSIBLE BY SUNDAY AFTERNOON ABOVE 4000 FEET. BRIEF SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN ALSO BE ANTICIPATED FROM 2500 TO 4000 FEET. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...SNOW ACCUMULATIONS COULD IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ507-509-271300- /O.CON.KTWC.WS.W.0001.110227T0900Z-110227T2200Z/ UPPER SAN PEDRO RIVER VALLEY-UPPER GILA RIVER VALLEY- INCLUDING THE CITIES OF...SIERRA VISTA...BENSON...CLIFTON... SAFFORD 1000 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE THROUGH THE AREA OVERNIGHT INTO EARLY SUNDAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 4 INCHES CAN BE ANTICIPATED BY SUNDAY LATE AFTERNOON. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...ACCUMULATING SNOW MAY IMPACT TRAVEL. 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. && $$ AZZ504-271300- /O.CON.KTWC.WS.W.0001.110227T0900Z-110227T1900Z/ TUCSON METRO AREA- INCLUDING THE CITY OF...VAIL 1000 PM MST SAT FEB 26 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL PASS THROUGH THE AREA OVERNIGHT INTO EARLY SUNDAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN BE ANTICIPATED BY SUNDAY AFTERNOON...ESPECIALLY IN THE FOOTHILLS AND VAIL AREAS. A FEW SPOTS IN THE TUCSON METRO COULD SEE LIGHT SNOW ACCUMULATIONS GENERALLY LESS THAN 1 INCH BRIEFLY SUNDAY MORNING. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...BRIEF SNOW ACCUMULATIONS MAY IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ508-271300- /O.CON.KTWC.WW.Y.0002.110227T0900Z-110227T2200Z/ EASTERN COCHISE COUNTY BELOW 5000 FEET- INCLUDING THE CITY OF...WILLCOX 1000 PM MST SAT FEB 26 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 3 PM MST SUNDAY. * TIMING...A STRONG WINTER STORM WILL MOVE THROUGH THE AREA OVERNIGHT AND SUNDAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 2 INCHES CAN BE ANTICIPATED BY SUNDAY LATE AFTERNOON. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 7000 FEET THIS EVENING THEN DROP SIGNIFICANTLY THROUGH SUNDAY MORNING TO BELOW 3000 FEET. * WINDS...EXPECT GUSTY WINDS TO OCCUR TONIGHT THEN DIMINISH SUNDAY. * IMPACTS...BRIEF SNOW ACCUMULATIONS MAY IMPACT TRAVEL. 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. && $$ HTTP://WEATHER.GOV/TUCSON
535 WWUS45 KTWC 270911 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 211 AM MST SUN FEB 27 2011 AZZ508-271715- /O.UPG.KTWC.WW.Y.0002.000000T0000Z-110227T2200Z/ /O.EXB.KTWC.WS.W.0001.000000T0000Z-110228T0000Z/ EASTERN COCHISE COUNTY BELOW 5000 FEET- INCLUDING THE CITY OF...WILLCOX 211 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...A STRONG WINTER STORM WILL MOVE THROUGH THE AREA TODAY. * SNOW ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 5 INCHES CAN BE ANTICIPATED BY LATE AFTERNOON. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 5000 FEET THIS MORNING THEN DROP TO NEAR VALLEY FLOORS LATER IN THE MORNING. * WINDS...EXPECT GUSTY WINDS EARLY THIS MORNING DIMINISHING BY LATE MORNING. * IMPACTS...SNOW ACCUMULATIONS MAY IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ507-509>514-271715- /O.EXT.KTWC.WS.W.0001.000000T0000Z-110228T0000Z/ UPPER SAN PEDRO RIVER VALLEY-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...SIERRA VISTA...BENSON...CLIFTON... SAFFORD...HANNAGAN MEADOW...MOUNT GRAHAM...CHIRICAHUA NM... BISBEE...CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN 211 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...A STRONG WINTER STORM WILL MOVE THROUGH THE AREA TODAY. * SNOW ACCUMULATIONS...STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 4 INCHES ARE EXPECTED IN VALLEYS WITH OVER 12 INCHES IN THE MOUNTAINS. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 5000 FEET EARLY THIS MORNING BEFORE DROPPING TO NEAR VALLEY FLOORS LATER IN THE MORNING. * WINDS...EXPECT GUSTY WINDS THIS MORNING TO DIMINISH BY EARLY AFTERNOON. * IMPACTS...ACCUMULATING SNOW MAY IMPACT TRAVEL. 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. && $$ AZZ515-271715- /O.EXT.KTWC.WS.W.0001.000000T0000Z-110227T1900Z/ BABOQUIVARI MOUNTAINS- 211 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON MST TODAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON MST TODAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS THE AREA THIS MORNING. * SNOW ACCUMULATIONS...STORM TOTAL SNOWFALL AMOUNTS IN EXCESS OF 8 INCHES ARE EXPECTED. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 4000 FEET EARLY THIS MORNING AND DROP TO NEAR VALLEY FLOORS BY MID MORNING. * WINDS...BREEZY WINDS AT TIMES...OUT OF THE WEST AT 10 TO 15 MPH WITH BRIEF HIGHER GUSTS. * IMPACTS...SIGNIFICANT SNOWFALL WILL INHIBIT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ AZZ503-506-271715- /O.CON.KTWC.WS.W.0001.000000T0000Z-110227T1900Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-SOUTHEAST PINAL COUNTY- INCLUDING THE CITIES OF...NOGALES...MAMMOTH...ORACLE 211 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * TIMING...A STRONG WINTER STORM WILL MOVE ACROSS THE AREA TODAY. * SNOW ACCUMULATIONS...STORM TOTAL SNOWFALL AMOUNTS OF 3 TO 6 INCHES ARE POSSIBLE BY SUNDAY AFTERNOON ABOVE 3500 FEET. BRIEF SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN ALSO BE ANTICIPATED FROM 2500 TO 3500 FEET. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 5000 FEET EARLY THIS MORNING THEN DROP TO NEAR VALLEY FLOORS BY MID MORNING. * WINDS...GUSTY WINDS EARLY WINDS WILL DIMINISH THROUGH THE MORNING HOURS. * IMPACTS...SNOW ACCUMULATIONS COULD IMPACT TRAVEL. 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. && $$ AZZ504-271715- /O.CON.KTWC.WS.W.0001.000000T0000Z-110227T1900Z/ TUCSON METRO AREA- INCLUDING THE CITIES OF...GREEN VALLEY...VAIL 211 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * TIMING...A STRONG WINTER STORM WILL PASS THROUGH THE AREA TODAY. * SNOW ACCUMULATIONS...BRIEF SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN BE ANTICIPATED BY SUNDAY AFTERNOON...ESPECIALLY IN THE FOOTHILLS AND VAIL AREAS. A FEW SPOTS IN THE TUCSON METRO COULD SEE LIGHT SNOW ACCUMULATIONS GENERALLY LESS THAN 1 INCH BRIEFLY SUNDAY MORNING. * SNOW LEVELS...SNOW LEVELS WILL START OUT NEAR 5000 FEET EARLY THIS MORNING THEN DROP TO NEAR VALLEY FLOORS BY MID MORNING. * WINDS...GUSTY WINDS EARLY WILL DIMINISH LATER IN THE MORNING. * IMPACTS...BRIEF SNOW ACCUMULATIONS MAY IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ HTTP://WEATHER.GOV/TUCSON
002 WWUS45 KTWC 271614 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 914 AM MST SUN FEB 27 2011 AZZ503-504-506-515-271715- /O.CAN.KTWC.WS.W.0001.000000T0000Z-110227T1900Z/ UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTHEAST PINAL COUNTY-BABOQUIVARI MOUNTAINS- INCLUDING THE CITIES OF...NOGALES...GREEN VALLEY...VAIL... MAMMOTH...ORACLE 914 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WINTER STORM WARNING FOR THIS AREA. SNOW FELL ACROSS THE AREA EARLY THIS MORNING...BUT HAS SINCE ENDED IN MOST AREAS AS THE STORM SYSTEM CONTINUED TO TRACK EAST. THUS...THE WINTER STORM WARNING HAS BEEN CANCELLED. ISOLATED SHOWERS WILL STILL BE POSSIBLE THROUGHOUT THE DAY TODAY BUT ACCUMULATING SNOW IS NOT EXPECTED. $$ AZZ507>514-280000- /O.CON.KTWC.WS.W.0001.000000T0000Z-110228T0000Z/ UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...SIERRA VISTA...BENSON...WILLCOX... CLIFTON...SAFFORD...HANNAGAN MEADOW...MOUNT GRAHAM... CHIRICAHUA NM...BISBEE...CANELO HILLS...MOUNT LEMMON... SUMMERHAVEN 914 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...OFF AND ON SNOW SHOWERS WILL CONTINUE THROUGH THE AFTERNOON HOURS TODAY. * SNOW ACCUMULATIONS...STORM TOTAL SNOW ACCUMULATIONS OF 1 TO 4 INCHES ARE EXPECTED IN VALLEYS WITH OVER 12 INCHES IN THE MOUNTAINS. * WINDS...EXPECT GUSTY WINDS THIS MORNING TO DIMINISH BY EARLY AFTERNOON. * IMPACTS...ACCUMULATING SNOW MAY IMPACT TRAVEL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES ON THIS WINTER STORM. && $$ HTTP://WEATHER.GOV/TUCSON
449 WWUS45 KTWC 271743 WSWTWC URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 1043 AM MST SUN FEB 27 2011 AZZ507>514-271845- /O.CAN.KTWC.WS.W.0001.000000T0000Z-110228T0000Z/ UPPER SAN PEDRO RIVER VALLEY- EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY- WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS- INCLUDING THE CITIES OF...SIERRA VISTA...BENSON...WILLCOX... CLIFTON...SAFFORD...HANNAGAN MEADOW...MOUNT GRAHAM... CHIRICAHUA NM...BISBEE...CANELO HILLS...MOUNT LEMMON... SUMMERHAVEN 1043 AM MST SUN FEB 27 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WINTER STORM WARNING. ISOLATED TO SCATTERED SHOWERS WITH LIGHT SNOWFALL CONTINUED ACROSS THE AREA...BUT SIGNIFICANT ACCUMULATIONS HAVE NOT BEEN OCCURRING AND ARE NOT EXPECTED THE REST OF THE DAY. THUS...THE WINTER STORM WARNING HAS BEEN CANCELLED. $$ HTTP://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 Feb 26, 2:00 AM MST, 28 minutes earlier.
Area forecast discussion, Feb 26, 2:00 AM MST, 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
200 AM MST SAT FEB 26 2011
.SYNOPSIS...A STRONG WINTER STORM WILL MOVE ACROSS SOUTHEAST ARIZONA
THIS WEEKEND. THIS SYSTEM WILL BRING WINDY CONDITIONS WITH AREAS OF
BLOWING DUST TODAY. RAIN AND SNOW IS LIKELY BY LATE TONIGHT INTO
SUNDAY WITH SIGNIFICANT SNOWFALL EXPECTED IN THE MOUNTAINS. MUCH
COLDER SUNDAY THEN DRY CONDITIONS WITH A STRONG WARMING TREND
THROUGH THE MIDDLE OF THE UPCOMING WEEK.
&&
.DISCUSSION...INCREASING SOUTHWESTERLY FLOW AS A VERY STRONG AND
COLD LOW DIGS DOWN THE CALIFORNIA COAST. THIS SYSTEM WILL SWING INTO
WESTERN ARIZONA TODAY WITH SOUTHEAST ARIZONA SEEING STRONG GUSTY
ADVISORY LEVEL WINDS BY THIS AFTERNOON. DRY AHEAD OF THE SYSTEM SO
RED FLAG CONDITIONS ARE ALSO EXPECTED AS OUTLINED BELOW IN THE FIRE
WEATHER SECTION.
THE SYSTEM IS EXPECTED TO KEEP MOST OF ITS STRENGTH DUE TO
ORIENTATION...REINFORCING ENERGY...AND HIGHER LATITUDE SUPPORT AS IT
TRANSITS THE STATE TONIGHT AND SUNDAY. THIS MEANS PLENTY OF MOISTURE
AND DYNAMICS EVEN FOR OUR PART OF THE STATE. SNOW LEVELS WILL
APPROACH VALLEY FLOORS SUNDAY MORNING WITH SIGNIFICANT ACCUMULATIONS
EXPECTED ABOVE 4000 FEET AND SOME LIMITED ACCUMULATION EVEN POSSIBLE
LOWER. WITH LACK OF CERTAINTY FOR LOWER ELEVATIONS AND THE ULTIMATE
SNOW LEVELS WE WILL BE DEALING WITH...WE WILL LEAVE LOWER ELEVATIONS
WITH A WINTER STORM WATCH EVEN AS WE UPGRADE MOUNTAINS TO A WINTER
STORM WARNING FOR LATE SATURDAY NIGHT INTO SUNDAY.
CLEARING FROM THE WEST LATE SUNDAY BUT STILL SOME WRAP-AROUND AND
RESIDUAL MOISTURE TO DEAL WITH INTO EARLY SUNDAY EVENING. MONDAY
MORNING WILL BE COLD AND COULD SEE FROST PROBLEMS DEVELOP AS WELL AS
HARD FREEZE CONCERNS.
RAPID WARMUP TO START THE WORK WEEK AS A LOW AMPLITUDE BUT LONG
PERIOD RIDGE SPREADS IN AND DOMINATES SOUTHERN TIER STATES.
&&
.AVIATION...INCREASING HIGH CLOUDS AT OR ABOVE 20K FT AGL THRU 16Z
SATURDAY THEN CLOUD BASES LOWERING TO 10-15K FT AGL BY 03Z SUNDAY.
INCREASING WINDS ARE EXPECTED SATURDAY...WITH STRONG AND GUSTY
SLY/SWLY WINDS AT 22-30 KTS LATE SATURDAY MORNING THRU EARLY SAT
EVENING. GUSTS TO 40-45 KTS CAN BE EXPECTED SATURDAY. SHRA/SHSN IS
LIKELY SATURDAY NIGHT AND SUNDAY WITH AREAS MVFR CIGS/VSBYS.
AVIATION DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.
&&
.FIRE WEATHER...DRY CONDITIONS WILL PREVAIL ACROSS SOUTHEAST ARIZONA
THROUGH LATE SATURDAY AFTERNOON. A STORM SYSTEM WILL MOVE INTO THE
REGION SATURDAY...PUSHING EAST OF THE AREA BY LATE SUNDAY. THIS
SYSTEM WILL RESULT IN WINDY CONDITIONS SATURDAY.
CRITICAL FIRE WEATHER THRESHOLDS WILL BE EXCEEDED ACROSS MUCH OF
SOUTHEASTERN ARIZONA LATE SATURDAY MORNING THROUGH EARLY SATURDAY
EVENING. WIND SPEEDS WILL EASILY BE MET AREAWIDE ON SATURDAY.
HOWEVER...RELATIVE HUMIDITY VALUES ARE EXPECTED TO REMAIN ABOVE 15
PERCENT OVER CENTRAL AND WESTERN PIMA...AS WELL AS NORTHWESTERN
PORTIONS OF GREENLEE COUNTY.
THE FIRE WEATHER WATCH THAT WAS PREVIOUSLY IN EFFECT FOR PORTIONS OF
SOUTHEAST ARIZONA HAS BEEN UPGRADED TO A RED FLAG WARNING WITH THE
AREA EXPANDED TO INCLUDE THE SOUTHERN AND EASTERN PORTIONS OF FIRE
WEATHER ZONE 146. THEREFORE...A RED FLAG WARNING IS NOW IN EFFECT
FOR ALL OF FIRE WEATHER ZONE 148 (EASTERN PIMA... GRAHAM...SANTA
CRUZ...AND COCHISE COUNTIES)...FAR NORTHEASTERN PORTIONS OF FIRE
WEATHER ZONE 147 (SOUTH CENTRAL AND SOUTHEAST PINAL COUNTY) AND
SOUTHERN AND EASTERN PORTIONS OF FIRE WEATHER ZONE 146 (PORTION OF
GRAHAM COUNTY NORTH OF THE GILA RIVER AND NORTHERN GREENLEE COUNTY)
FROM 11 AM MST SATURDAY MORNING THROUGH 7 PM MST SATURDAY EVENING.
COLDER TEMPERATURES AND A GOOD CHANCE OF PRECIPITATION IS EXPECTED
SATURDAY NIGHT AND SUNDAY. DRY CONDITIONS WITH A STRONG WARMING
TREND WILL THEN OCCUR BY THE MIDDLE OF THE UPCOMING WEEK.
&&
.TWC WATCHES/WARNINGS/ADVISORIES...
RED FLAG WARNING FROM 11 AM TO 7 PM MST TODAY FOR AZZ146>148.
WIND ADVISORY FROM 11 AM TO 7 PM MST TODAY FOR AZZ501>515.
WINTER STORM WATCH FROM SATURDAY EVENING THROUGH SUNDAY
AFTERNOON FOR AZZ503-504-506>509.
WINTER STORM WARNING FROM SATURDAY EVENING THROUGH SUNDAY
AFTERNOON FOR AZZ510>5151
WEATHER.GOV/TUCSONHazardous weather outlook, Feb 25, 4:30 PM MST, 9 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TUCSON AZ 430 PM MST FRI FEB 25 2011 AZZ501>515-261300- WESTERN PIMA COUNTY-TOHONO O'ODHAM NATION- UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA- SOUTH CENTRAL PINAL COUNTY-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- GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS- DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS- CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS- 430 PM MST FRI FEB 25 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A STRONG COLD LOW PRESSURE SYSTEM WILL BRING A VARIETY OF WEATHER HAZARDS TO SOUTHEAST ARIZONA SATURDAY AND SUNDAY. FOR SATURDAY THE FOLLOWING WARNINGS AND ADVISORIES ARE IN EFFECT... A WIND ADVISORY FOR ALL OF SOUTHEAST ARIZONA FROM 11 AM TO 7 PM MST. PLEASE REFER TO AWIPS PRODUCT PHXNPWTWC /WMO HEADER WWUS75 KTWC/ FOR DETAILS. A RED FLAG WARNING MOST OF SOUTHEAST ARIZONA FROM 11 AM TO 7 PM MST. PLEASE REFER TO AWIPS PRODUCT PHXRFWTWC /WMO HEADER WWUS85 KTWC/ FOR DETAILS. FOR SATURDAY NIGHT INTO SUNDAY THE FOLLOWING WATCH IS IN EFFECT... A WINTER STORM WATCH FOR MOST OF SOUTHEAST ARIZONA FROM LATE SATURDAY EVENING THROUGH SUNDAY AFTERNOON. PLEASE REFER TO AWIPS PRODUCT PHXWSWTWC /WMO HEADER WWUS45 KTWC/ FOR DETAILS. THE STORM SYSTEM WILL BE EAST OF THE AREA BY SUNDAY NIGHT. MUCH COLDER AIR WILL PUSH IN BEHIND THE SYSTEM WITH WIDESPREAD FREEZING TEMPERATURES POSSIBLE ACROSS THE AREA LATE SUNDAY NIGHT INTO MONDAY MORNING. MUCH WARMER TEMPERATURES NEXT WEEK AS HIGH PRESSURE ALOFT BUILDS OVER THE AREA. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. WEATHER.GOV/TUCSON
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 1:41 PM MST | Winter Weather Advisory | TWC | Cochise | 13 hr |
Nearby
Winter Storm Warnings in Arizona, 2011Every winter storm warning in 2011
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.