Alert archive / Arizona / Winter Storm Warnings in 2013

Winter Storm Warning 2, NWS Tucson, AZ

March 7, 20134 counties in Arizona

NWS Tucson, AZ issued this winter storm warning at Mar 7, 2013, 12:14 PM MST for 4 counties in Arizona. It took effect at Mar 8, 2013, 12:00 PM MST. It was in force for 22 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
Mar 7, 2013, 12:14 PM MST (19:14 UTC)
In effect from
Mar 8, 2013, 12:00 PM MST
Expired
Mar 9, 2013, 9:45 AM MST
In force
22 hr
Issued by
NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pinal County, AZ

The radar

The Tucson radar (KEMX), 108 km from the middle of the area, began a volume at 19:13 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 12:00Z, 7.2 hours before the alert went out and 101 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 2013-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 2013-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3745 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

087 
WWUS45 KTWC 071914
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1214 PM MST THU MAR 7 2013

...WINTER STORM MOVING INTO SOUTHEAST ARIZONA FRIDAY AND
SATURDAY...

AZZ510-511-080700-
/O.UPG.KTWC.WW.Y.0006.130308T1900Z-130309T2300Z/
/O.NEW.KTWC.WS.W.0002.130308T1900Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
1214 PM MST THU MAR 7 2013

...WINTER STORM WARNING IN EFFECT FROM NOON FRIDAY TO 4 PM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM NOON FRIDAY TO 4
PM MST SATURDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN
EFFECT.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS FRIDAY 
  AND INCREASE FRIDAY NIGHT INTO SATURDAY MORNING. 

* SNOW ACCUMULATIONS...5 TO 7 INCHES BETWEEN 5000 AND 7000
  FEET...WITH 8 TO 12 INCHES ABOVE 7000 FEET. LOCATIONS ABOVE
  9000 FEET WILL EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY FRIDAY 
  FALLING TO ABOUT 5500 TO 6000 FEET LATE FRIDAY AFTERNOON...
  THEN BELOW 4000 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH FRIDAY...DIMINISHING FRIDAY NIGHT AS THE HEAVIEST SNOW 
  DEVELOPS.

* 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.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS WINTER STORM.

&&

$$

AZZ514-080700-
/O.CON.KTWC.WW.Y.0006.130308T1900Z-130309T2300Z/
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT LEMMON...SUMMERHAVEN
1214 PM MST THU MAR 7 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO
4 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO
4 PM MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS FRIDAY 
  AND INCREASE FRIDAY NIGHT INTO SATURDAY MORNING. 

* SNOW ACCUMULATIONS...3 TO 6 INCHES BETWEEN 5000 AND 7000
  FEET...WITH 8 TO NEAR 12 INCHES ABOVE 7000 FEET. A FEW
  LOCATIONS ABOVE 9000 FEET MAY EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY FRIDAY 
  FALLING TO ABOUT 5500 TO 6000 FEET LATE FRIDAY AFTERNOON...
  THEN BELOW 4000 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH FRIDAY...DIMINISHING FRIDAY NIGHT AS THE HEAVIEST SNOW 
  DEVELOPS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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.

&&

$$

AZZ503-504-506>509-512-513-515-080700-
/O.CON.KTWC.WW.Y.0006.130309T0600Z-130309T2300Z/
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-
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON
1214 PM MST THU MAR 7 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM FRIDAY TO
4 PM MST SATURDAY ABOVE 4500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM FRIDAY TO
4 PM MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE SOUTHWEST 
  AND WEST FRIDAY WITH SNOW LEVELS FALLING LATE FRIDAY INTO 
  SATURDAY MORNING.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET...WITH 3 TO
  5 INCHES BETWEEN 5000 FEET AND 7000 FEET...AND 5 TO 9 INCHES 
  ABOVE 7000 FEET. 

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY FRIDAY 
  FALLING TO ABOUT 5500 TO 6500 FEET LATE FRIDAY AFTERNOON...
  THEN 3500 TO 4500 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 
  MPH...STRONGER IN WIND PRONE LOCATIONS AND SOME MOUNTAIN 
  AREAS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
7 follow-up statements
984 
WWUS45 KTWC 080439
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
939 PM MST THU MAR 7 2013

...WINTER STORM MOVING INTO SOUTHEAST ARIZONA FRIDAY AND
SATURDAY... 

AZZ510-511-081200-
/O.CON.KTWC.WS.W.0002.130308T1900Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
939 PM MST THU MAR 7 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO
4 PM MST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO 4 PM
MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS FRIDAY 
  AND INCREASE FRIDAY NIGHT INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO 12 INCHES ABOVE 7000 FEET. LOCATIONS ABOVE 
  9000 FEET WILL EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY FRIDAY 
  FALLING TO ABOUT 5500 TO 6000 FEET LATE FRIDAY AFTERNOON... 
  THEN BELOW 4000 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH FRIDAY...DIMINISHING FRIDAY NIGHT AS THE HEAVIEST SNOW 
  DEVELOPS.

* 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.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS WINTER STORM.

&&

$$

AZZ514-081200-
/O.CON.KTWC.WW.Y.0006.130308T1900Z-130309T2300Z/
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT LEMMON...SUMMERHAVEN
939 PM MST THU MAR 7 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO
4 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO
4 PM MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS FRIDAY 
  AND INCREASE FRIDAY NIGHT INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...3 TO 6 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO NEAR 12 INCHES ABOVE 7000 FEET. A FEW 
  LOCATIONS ABOVE 9000 FEET MAY EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY FRIDAY 
  FALLING TO ABOUT 5500 TO 6000 FEET LATE FRIDAY AFTERNOON... 
  THEN BELOW 4000 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH FRIDAY...DIMINISHING FRIDAY NIGHT AS THE HEAVIEST SNOW 
  DEVELOPS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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.

&&

$$

AZZ503-504-506>509-512-513-515-081200-
/O.CON.KTWC.WW.Y.0006.130309T0600Z-130309T2300Z/
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-
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON
939 PM MST THU MAR 7 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM FRIDAY TO
4 PM MST SATURDAY ABOVE 4500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM FRIDAY TO
4 PM MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE SOUTHWEST 
  AND WEST FRIDAY WITH SNOW LEVELS FALLING LATE FRIDAY INTO 
  SATURDAY MORNING.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET...WITH 3 
  TO 5 INCHES BETWEEN 5000 FEET AND 7000 FEET...AND 5 TO 9 
  INCHES ABOVE 7000 FEET.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY FRIDAY 
  FALLING TO ABOUT 5500 TO 6500 FEET LATE FRIDAY AFTERNOON... 
  THEN 3500 TO 4500 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 
  MPH...STRONGER IN WIND PRONE LOCATIONS AND SOME MOUNTAIN 
  AREAS. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
855 
WWUS45 KTWC 081035
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
335 AM MST FRI MAR 8 2013

AZZ510-511-081815-
/O.CON.KTWC.WS.W.0002.130308T1900Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
335 AM MST FRI MAR 8 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 PM
MST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 PM
MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS FRIDAY 
  AND INCREASE FRIDAY NIGHT INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO 12 INCHES ABOVE 7000 FEET. LOCATIONS ABOVE 
  9000 FEET WILL EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY THIS MORNING
  FALLING TO ABOUT 5500 TO 6000 FEET LATE THIS AFTERNOON...THEN
  BELOW 4000 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45
  MPH TODAY...DIMINISHING TONIGHT AS THE HEAVIEST SNOW DEVELOPS.

* 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.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS WINTER STORM.

&&

$$

AZZ514-081815-
/O.CON.KTWC.WW.Y.0006.130308T1900Z-130309T2300Z/
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT LEMMON...SUMMERHAVEN
335 AM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
4 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
4 PM MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS THIS
  AFTERNOON THEN INCREASE IN INTENSITY TODAY NIGHT INTO SATURDAY
  MORNING.

* SNOW ACCUMULATIONS...3 TO 7 INCHES BETWEEN 5000 AND 7000
  FEET...WITH 8 TO NEAR 12 INCHES ABOVE 7000 FEET. A FEW LOCATIONS
  ABOVE 9000 FEET MAY EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET THIS MORNING FALLING
  TO ABOUT 5500 TO 6000 FEET LATE THIS AFTERNOON...THEN BELOW 4000
  FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45
  MPH TODAY...DIMINISHING TONIGHT AS THE HEAVIEST SNOW DEVELOPS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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.

&&

$$

AZZ503-504-506>509-512-513-515-081815-
/O.CON.KTWC.WW.Y.0006.130309T0600Z-130309T2300Z/
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-
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON
335 AM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 4 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 4 PM MST SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE SOUTHWEST
  AND WEST TODAY WITH SNOW LEVELS FALLING LATE TONIGHT INTO
  SATURDAY MORNING.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET...WITH 3 
  TO 5 INCHES BETWEEN 5000 FEET AND 7000 FEET...AND 5 TO 9 
  INCHES ABOVE 7000 FEET.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET EARLY THIS MORNING
  FALLING TO ABOUT 5500 TO 6500 FEET LATE THIS AFTERNOON...THEN
  3500 TO 4500 FEET AFTER MIDNIGHT SATURDAY.

* WINDS...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40
  MPH...STRONGER IN WIND PRONE LOCATIONS AND SOME MOUNTAIN AREAS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
885 
WWUS45 KTWC 081749
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1049 AM MST FRI MAR 8 2013

AZZ510-511-090200-
/O.CON.KTWC.WS.W.0002.130308T1900Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
1049 AM MST FRI MAR 8 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST SATURDAY.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS TODAY AND
  INCREASE TONIGHT INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO 12 INCHES ABOVE 7000 FEET. LOCATIONS ABOVE 
  9000 FEET WILL EXCEED 12 INCHES.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET LATE THIS MORNING
  AND FALL TO ABOUT 5500 TO 6000 FEET LATE THIS AFTERNOON...THEN
  BELOW 4000 FEET AFTER MIDNIGHT TONIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH TODAY...DIMINISHING TONIGHT AS THE HEAVIEST SNOW 
  DEVELOPS.

* 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.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS WINTER STORM.

&&

$$

AZZ514-090200-
/O.CON.KTWC.WW.Y.0006.130308T1900Z-130309T2300Z/
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT LEMMON...SUMMERHAVEN
1049 AM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST
SATURDAY ABOVE 4500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST
SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS THIS
  AFTERNOON THEN INCREASE IN INTENSITY TONIGHT INTO SATURDAY
  MORNING.

* SNOW ACCUMULATIONS...3 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO NEAR 12 INCHES ABOVE 7000 FEET. A FEW 
  LOCATIONS ABOVE 9000 FEET MAY EXCEED 12 INCHES. 

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET LATE THIS
  MORNING...FALLING TO ABOUT 5500 TO 6000 FEET LATE THIS
  AFTERNOON...THEN BELOW 4000 FEET AFTER MIDNIGHT TONIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH TODAY...DIMINISHING TONIGHT AS THE HEAVIEST SNOW 
  DEVELOPS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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.

&&

$$

AZZ503-504-506>509-512-513-515-090200-
/O.CON.KTWC.WW.Y.0006.130309T0600Z-130309T2300Z/
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-
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON
1049 AM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 4 PM MST SATURDAY ABOVE 4500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 4 PM MST SATURDAY ABOVE 4500 FEET.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE SOUTHWEST 
  AND WEST TODAY WITH SNOW LEVELS FALLING LATE TONIGHT INTO 
  SATURDAY MORNING.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET...WITH 3 
  TO 5 INCHES BETWEEN 5000 FEET AND 7000 FEET...AND 5 TO 9 
  INCHES ABOVE 7000 FEET.

* SNOW LEVELS...WILL START OUT ABOVE 8000 FEET LATE THIS
  MORNING...FALLING TO ABOUT 5500 TO 6500 FEET LATE THIS
  AFTERNOON...THEN 3500 TO 4500 FEET AFTER MIDNIGHT TONIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 
  MPH...STRONGER IN WIND PRONE LOCATIONS AND SOME MOUNTAIN 
  AREAS.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
791 
WWUS45 KTWC 082109
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
209 PM MST FRI MAR 8 2013

AZZ510-511-090700-
/O.CON.KTWC.WS.W.0002.000000T0000Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
209 PM MST FRI MAR 8 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST SATURDAY.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS LATE THIS
  AFTERNOON AND INCREASE TONIGHT INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO 12 INCHES ABOVE 7000 FEET. LOCATIONS ABOVE 
  9000 FEET WILL EXCEED 12 INCHES.

* SNOW LEVELS...WILL FALL TO ABOUT 5500 TO 6000 FEET LATE THIS
  AFTERNOON OR EARLY THIS EVENING...THEN BELOW 4000 FEET AFTER
  MIDNIGHT TONIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH TODAY...DIMINISHING TONIGHT AS THE HEAVIEST SNOW 
  DEVELOPS. 

* 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.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS WINTER STORM.

&&

$$

AZZ514-090700-
/O.EXT.KTWC.WW.Y.0006.000000T0000Z-130309T1900Z/
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT LEMMON...SUMMERHAVEN
209 PM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MST
SATURDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON MST
SATURDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL DEVELOP IN THE MOUNTAINS THIS LATE
  THIS AFTERNOON OR EARLY THIS EVENING...THEN INCREASE IN
  INTENSITY TONIGHT INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...3 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO NEAR 12 INCHES ABOVE 7000 FEET. A FEW 
  LOCATIONS ABOVE 9000 FEET MAY EXCEED 12 INCHES.

* SNOW LEVELS...WILL FALL TO ABOUT 5500 TO 6000 FEET LATE THIS
  AFTERNOON OR EARLY THIS EVENING...THEN BELOW 4000 FEET AFTER
  MIDNIGHT TONIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 25 TO 30 MPH WITH GUSTS TO 45 
  MPH TODAY...DIMINISHING TONIGHT AS THE HEAVIEST SNOW 
  DEVELOPS. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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.

&&

$$

AZZ503-504-506>509-512-513-515-090700-
/O.EXT.KTWC.WW.Y.0006.130309T0600Z-130309T1900Z/
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-
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON
209 PM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING
TO NOON MST SATURDAY ABOVE 4500 FEET...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 11 PM THIS
EVENING TO NOON MST SATURDAY ABOVE 4500 FEET. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE SOUTHWEST 
  AND WEST TODAY WITH SNOW LEVELS FALLING LATE TONIGHT INTO 
  SATURDAY MORNING.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET...WITH 3 
  TO 5 INCHES BETWEEN 5000 FEET AND 7000 FEET...AND 5 TO 9 
  INCHES ABOVE 7000 FEET.

* SNOW LEVELS...WILL FALL TO ABOUT 5500 TO 6500 FEET THIS
  EVENING...THEN 3500 TO 4500 FEET AFTER MIDNIGHT TONIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 
  MPH...STRONGER IN WIND PRONE LOCATIONS AND SOME MOUNTAIN 
  AREAS. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
837 
WWUS45 KTWC 090650
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1150 PM MST FRI MAR 8 2013

AZZ510-511-091100-
/O.CON.KTWC.WS.W.0002.000000T0000Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
1150 PM MST FRI MAR 8 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST SATURDAY.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW AT TIMES. 

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THE OVERNIGHT HOURS
  INTO SATURDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 7 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 8 TO 12 INCHES ABOVE 7000 FEET. LOCATIONS ABOVE 
  9000 FEET WILL EXCEED 12 INCHES.

* SNOW LEVELS...WILL FALL BELOW 4000 FEET OVERNIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 15 TO 25 MPH.

* 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.

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>509-512>515-091100-
/O.CON.KTWC.WW.Y.0006.000000T0000Z-130309T1900Z/
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-
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN
1150 PM MST FRI MAR 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SCATTERED SHOWERS OVERNIGHT INTO SATURDAY WITH SNOW
  LEVELS FALLING.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET...WITH 3 
  TO 5 INCHES BETWEEN 5000 FEET AND 7000 FEET...AND 5 TO 9 
  INCHES ABOVE 7000 FEET.

* SNOW LEVELS...WILL FALL TO 3500 TO 4500 FEET OVERNIGHT.

* WINDS...SOUTHWEST TO WEST WINDS 10 TO 20 MPH.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
996 
WWUS45 KTWC 091046
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
345 AM MST SAT MAR 9 2013

AZZ503-504-506>508-512>515-091145-
/O.CAN.KTWC.WW.Y.0006.000000T0000Z-130309T1900Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN
345 AM MST SAT MAR 9 2013

...WINTER WEATHER ADVISORY IS CANCELLED ABOVE 4500 FEET...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WINTER
WEATHER ADVISORY ABOVE 4500 FEET. 

SHOWERS WILL BE AROUND TODAY BUT THE THREAT OF ANY SIGNIFICANT
ACCUMULATION ABOVE 4500 FEET HAS LESSENED.

$$

AZZ510-511-091730-
/O.CON.KTWC.WS.W.0002.000000T0000Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
345 AM MST SAT MAR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH FALLING
  SNOW.

* TIMING...SNOW SHOWERS WILL CONTINUE INTO THIS AFTERNOON.

* SNOW ACCUMULATIONS...ADDITIONAL 2 TO 5 INCHES BETWEEN 5000 AND
  7000 FEET...4 TO 9 INCHES ABOVE 7000 FEET.

* SNOW LEVELS...3500 TO 4500 FEET.

* WINDS...SOUTHWEST TO WEST WINDS 10 TO 20 MPH.

* 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.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS WINTER STORM.

&&

$$

AZZ509-091730-
/O.EXT.KTWC.WW.Y.0006.000000T0000Z-130309T2300Z/
UPPER GILA RIVER VALLEY-
345 AM MST SAT MAR 9 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON ABOVE 4500 FEET...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SCATTERED SHOWERS WILL CONTINUE INTO THE AFTERNOON
  HOURS.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4000 FEET.

* SNOW LEVELS...3500 TO 4500 FEET.

* WINDS...SOUTHWEST TO WEST WINDS 10 TO 20 MPH.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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
173 
WWUS45 KTWC 091645
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
945 AM MST SAT MAR 9 2013

AZZ510-511-092300-
/O.CAN.KTWC.WS.W.0002.000000T0000Z-130309T2300Z/
/O.EXA.KTWC.WW.Y.0006.000000T0000Z-130309T2300Z/
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...HANNAGAN MEADOW...MOUNT GRAHAM
945 AM MST SAT MAR 9 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 4 PM MST
THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS WILL OCCUR DUE TO FALLING
  SNOW.

* TIMING...SNOW SHOWERS WILL CONTINUE INTO THIS AFTERNOON.

* SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 4
  INCHES BETWEEN 5000 AND 7000 FEET...AND 4 TO 6 INCHES ABOVE
  7000 FEET.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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.

&&

$$

AZZ509-092300-
/O.CON.KTWC.WW.Y.0006.000000T0000Z-130309T2300Z/
UPPER GILA RIVER VALLEY-
945 AM MST SAT MAR 9 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON ABOVE 4500 FEET...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM MST THIS
AFTERNOON. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE IN SOME 
  LOCATIONS...ESPECIALLY ABOVE 5000 FEET. 

* TIMING...SCATTERED SHOWERS WILL CONTINUE INTO THIS AFTERNOON.

* SNOW ACCUMULATIONS...1 TO 4 INCHES ABOVE 4500 FEET.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TWC

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

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 Mar 7, 9:37 AM MST, 2 hours 37 minutes earlier.

Area forecast discussion, Mar 7, 9:37 AM MST, 2 hours 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
937 AM MST THU MAR 7 2013

.SYNOPSIS...BECOMING BREEZY TODAY. A STORM SYSTEM WILL BRING STRONG
AND GUSTY WINDS FRIDAY. VALLEY RAIN AND MOUNTAIN SNOW WILL INCREASE
DURING THE DAY FRIDAY...BECOMING WIDESPREAD FRIDAY NIGHT INTO
SATURDAY MORNING. SOME CLEARING FROM THE WEST SATURDAY. COLDER OVER
THE WEEKEND BEFORE A QUICK RETURN OF WARMER TEMPERATURES EARLY IN
THE NEW WEEK.

&&

.DISCUSSION...WATER VAPOR IMAGERY SHOWS THE UPPER LOW THAT WILL
BRING VALLEY RAIN AND MOUNTAIN SNOW TO THE REGION IS CURRENTLY
OFFSHORE OF NORTHERN CALIFORNIA. IR SATELLITE IMAGERY SHOWS MOSTLY
CLEAR SKIES ACROSS ARIZONA...WITH MID AND HIGH CLOUDS STREAMING EAST
TO OUR SOUTH OVER PORTIONS OF MEXICO AND CLOUDINESS ASSOCIATED WITH
THE UPPER LOW AS FAR EAST AS SOUTHEAST CALIFORNIA AND SOUTHERN
NEVADA.

AS OF 16Z (9 AM MST)...TEMPERATURES ACROSS THE REGION RANGED FROM
THE UPPER 50S TO THE LOWER 60S FOR DESERT/VALLEY LOCATIONS AND IN
THE LOWER 30S TO LOWER 50S FOR MOUNTAIN LOCATIONS. FOR THE MOST PART
THE CURRENT TEMP READINGS ARE ON TRACK WITH AFTERNOON HIGHS...BUT
WILL MAKE SOME ADJUSTMENTS TO THE SHORT TERM HOURLY TEMP GRIDS TO
REFLECT THE ONGOING TRENDS. BOTTOM LINE IS THE FORECAST FOR THE
REMAINDER OF TODAY IS ON TRACK...SO NO SIGNIFICANT CHANGES ARE
PLANNED AT THIS TIME.

FOR DETAILS REGARDING THE UPCOMING STORM SYSTEM FOR TOMORROW AND
SATURDAY...PLEASE REFER TO THE PREVIOUS DISCUSSION BELOW.

&&

.AVIATION...SKC CONDITIONS THROUGH 08/00Z...THEN SCT-BKN CLOUDS AOA
20K FT AGL THROUGH 08/06Z...BECOMING BKN-LOCALLY OVC ABOVE 5K FT AGL
THROUGH 08/18Z. ISOLD -SHRA WILL MOVE IN FROM THE WEST AFTER 09/9Z
AND BECOME SCT AFTER 09/12Z. SURFACE WIND SLY/SWLY BECOMING 12-22
KTS AFTER 07/18Z WITH GUSTS TO 20-30 KTS THROUGH 08/03Z...THEN
TAPERING OFF OVERNIGHT BEFORE INCREASING MIDDAY FRIDAY. AVIATION
DISCUSSION NOT UPDATED FOR TAF AMENDMENTS.

&&

.FIRE WEATHER...NEXT STORM SYSTEM TO AFFECT SOUTHEAST ARIZONA WILL
BRING INCREASED SOUTHWEST WINDS THIS AFTERNOON AND AGAIN FRIDAY.
COULD FLIRT WITH CRITICAL FIRE WEATHER CRITERIA BRIEFLY IN FAR
SOUTHEAST ARIZONA THIS AFTERNOON BUT WILL BE TOO COOL AND MOIST
FRIDAY.  IN FACT... PRECIPITATION COULD BEGIN AS EARLY AS DAWN
FRIDAY WITH CHANCES CONTINUING THROUGH THE WEEKEND. AS THE SYSTEM
PASSES NEARBY FRIDAY AFTERNOON AND EVENING...ISOLATED THUNDERSTORMS
ARE POSSIBLE.  AFOREMENTIONED COOLDOWN FRIDAY WILL BE ESPECIALLY
NOTICED SATURDAY WITH ONLY A SLIGHT MODERATION SUNDAY...THEN MUCH
WARMER TEMPERATURES RETURNING AGAIN NEXT WEEK.

&&

.PREVIOUS DISCUSSION...INCREASING CLOUDS TONIGHT AHEAD OF THE LOW
SWINGING INLAND. STRONG UPSLOPE WILL DEVELOP BY EARLY FRIDAY WITH
SOME MOISTURE PENETRATION ALREADY EVIDENT UPSTREAM WITH INITIAL
SOUTHWESTERLY FLOW AS WELL AS WESTERLY FLOW WITH THE MAIN SYSTEM.
SNOW SHOULD ALREADY START AT HIGHEST ELEVATIONS DURING THE DAY
FRIDAY EVEN AHEAD OF THE FRONT AS WE SEE STEEP ENOUGH LAPSE RATES
FOR CONVECTIVE ENHANCEMENT TO PRECIP AND SNOW LEVELS.

MAIN COLD FRONTAL PASSAGE PROBABLY LATER FRIDAY INTO FRIDAY NIGHT
FOR OUR PART OF THE STATE. WITH THE LOW LIFTING THROUGH A LITTLE
FURTHER NORTH WE WILL SEE SOME MODEST SUBSIDENCE AND PARTIAL
CLEARING IN A FAIRLY QUICK DOWNTURN IN ACTIVITY SATURDAY
MORNING...HOWEVER RESIDUAL ENERGY AND MOISTURE WILL PROBABLY GET
ANOTHER ROUND OF SCATTERED RAIN AND SNOW SHOWERS GOING SATURDAY
AFTERNOON.

CONFIDENCE IN PRECIP COVERAGE REMAINS QUITE HIGH WITH 80 TO 90
PERCENT POPS IN VALLEYS AND 100 PERCENT IN MOUNTAIN
LOCATIONS...HOWEVER WITHOUT THE COLD CORE OF THE STORM TO HELP KEEP
THE MODERATE TO HEAVY SHOWER ACTIVITY GOING LONGER...WE ARE GOING
WITH A WINTER WEATHER ADVISORY INSTEAD OF A STORM WARNING. WITH THE
EARLY INITIAL UPSLOPE ACTIVITY HIGHEST MOUNTAIN LOCATIONS COULD
EXCEED 12 INCHES IN SPOTS...BUT AT THIS POINT WE ARE NOT EXPECTED IT
TO BE PERVASIVE ENOUGH FOR A WARNING. THIS WILL BE CLOSELY MONITORED
AS THE STORM TURNS THE CORNER AND TRACKS THIS WAY OVER THE NEXT 24
HOURS. SNOW LEVELS STILL EXPECTED TO BOTTOM OUT IN THE 3200 TO 3500
FT RANGE EARLY SATURDAY MORNING.

ENOUGH RESIDUAL BOUNDARY LAYER MOISTURE AND ENERGY SAGGING BACK INTO
THE BASE OF THE SHEARING TROUGH POSITION FOR A FEW SHOWERS INTO
SUNDAY AND EARLY MONDAY. AFTER THAT A VERY STRONG RIDGE WILL BUILD
NEAR THE WEST COAST IN A RATHER AMPLIFIED PATTERN THAT COULD PUSH
OUR TEMPERATURES BACK TO 80 AS EARLY AS TUESDAY...AND THEN
APPROACHING 90 IN THE LOWER DESERTS BY THURSDAY.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...WINTER WEATHER ADVISORY FROM NOON
     FRIDAY INTO SATURDAY AFTERNOON FOR MOUNTAIN ZONES AZZ510-511-514

     WINTER WEATHER ADVISORY FROM FRIDAY NIGHT UNTIL SATURDAY
     AFTERNOON ABOVE 4500 FEET AZZ503-504-506>509-512-513-515.

&&

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON

CURRENT DISCUSSION...MOLLERE
PREVIOUS DISCUSSION...MEYER/RASMUSSEN
AVIATION/FIRE WEATHER...LADER
Hazardous weather outlook, Mar 7, 4:39 AM MST, 7 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
439 AM MST THU MAR 7 2013

AZZ503-504-506>515-081145-
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-
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS-
439 AM MST THU MAR 7 2013

...WINTER WEATHER ADVISORY ABOVE 4500 FEET NOON FRIDAY TO
SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

BECOMING WINDY FRIDAY. VALLEY RAIN AND MOUNTAIN SNOW SHOWERS WITH
ISOLATED THUNDERSTORMS WILL SPREAD IN FROM THE SOUTHWEST AND WEST
FRIDAY WITH SNOW LEVELS LOWERING LATER FRIDAY INTO SATURDAY
MORNING. SIGNIFICANT ACCUMULATIONS ARE POSSIBLE ABOVE 4500 FEET
WITH UP TO 1 INCH POSSIBLE BETWEEN 3500 AND 4500 FEET. PLEASE SEE
WINTER WEATHER ADVISORY PRODUCT PHXWSWTWC OR WMO HEADER WWUS45
KTWC FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ501-502-505-081145-
WESTERN PIMA COUNTY-TOHONO O'ODHAM NATION-
SOUTH CENTRAL PINAL COUNTY-
439 AM MST THU MAR 7 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SHOWERS WITH ISOLATED THUNDERSTORMS WILL SPREAD INTO THE AREA FROM
THE SOUTHWEST AND WEST EARLY FRIDAY. SHOWERS WILL BEGIN TO DIMINISH
BY EARLY SATURDAY. SNOW LEVELS ARE EXPECTED TO REMAIN ABOVE 3200
TO 3500 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

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 3:14 AM MSTWinter Weather AdvisoryTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz58 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.