Alert archive / Arizona / Winter Storm Warnings in 2012

Winter Storm Warning 2, NWS Tucson, AZ

December 13, 20125 counties in Arizona

NWS Tucson, AZ issued this winter storm warning at Dec 13, 2012, 3:13 AM MST for 5 counties in Arizona. It took effect at Dec 13, 2012, 11:00 PM MST. It was in force for 18 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
Dec 13, 2012, 3:13 AM MST (10:13 UTC)
In effect from
Dec 13, 2012, 11:00 PM MST
Expired
Dec 14, 2012, 5:00 PM MST
In force
18 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 10:13 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 00:00Z, 10.2 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 00:00Z on 2012-12-13Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 2012-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
3402 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
171 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.

365 
WWUS45 KTWC 131013
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
313 AM MST THU DEC 13 2012

AZZ510-511-514-132200-
/O.UPG.KTWC.WS.A.0002.121214T0600Z-121215T0000Z/
/O.NEW.KTWC.WS.W.0002.121214T0600Z-121215T0000Z/
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
313 AM MST THU DEC 13 2012

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 PM THIS
EVENING TO 5 PM MST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

* TIMING...SNOW WILL DEVELOP AROUND MIDNIGHT MST TONIGHT AND IS
  EXPECTED TO BECOME HEAVY AT TIMES INTO FRIDAY MORNING. PERIODS
  OF SNOW WILL BECOME INCREASINGLY SHOWERY AND INTERMITTENT FRIDAY
  AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 11 INCHES BETWEEN 5000 AND 7000
  FEET...WITH 12 TO 18 INCHES ABOVE 7000 FEET. THE HIGHEST PEAKS
  OF THE WHITE MOUNTAINS...MOUNT GRAHAM...AND MOUNT LEMMON MAY
  RECEIVE 24 INCHES OF SNOW.

* IMPACTS...A PERIOD OF INTENSE SNOW AND REDUCED VISIBILITIES WILL
  PRODUCE EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG HIGH
  ELEVATION ROADWAYS.

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.

&&

$$

AZZ512-513-132200-
/O.NEW.KTWC.WW.Y.0003.121214T0600Z-121215T0000Z/
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...CHIRICAHUA NM...BISBEE...CANELO HILLS
313 AM MST THU DEC 13 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
5 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 11 PM THIS
EVENING TO 5 PM MST FRIDAY.

* TIMING...SNOW WILL DEVELOP AROUND MIDNIGHT MST TONIGHT AND IS
  EXPECTED TO BECOME HEAVY AT TIMES INTO FRIDAY MORNING. PERIODS
  OF SNOW WILL BECOME INCREASINGLY SHOWERY AND INTERMITTENT FRIDAY
  AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 5 INCHES ABOVE 5000 FEET...WITH 6 TO
  10 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE EXPECTED
  ACROSS THE HIGHEST PEAKS OF THE CHIRICAHUA...HUACHUCA...AND
  SANTA RITA MOUNTAINS.

* WINDS...SUSTAINED SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO
  60 MPH ARE EXPECTED PARTICULARLY IN THE HUACHUCA AND CHIRICAHUA
  MOUNTAINS THIS EVENING INTO EARLY FRIDAY MORNING.

* IMPACTS...EXPECT HAZARDOUS TRAVEL CONDITIONS WITH SNOW PACKED
  AND ICY MOUNTAIN ROADS. POOR VISIBILITY WILL ALSO OCCUR DUE TO
  PERIODS OF HEAVY SNOW.

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
5 follow-up statements
634 
WWUS45 KTWC 132112
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
212 PM MST THU DEC 13 2012

AZZ510-511-514-141200-
/O.CON.KTWC.WS.W.0002.121214T0600Z-121215T0000Z/
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
212 PM MST THU DEC 13 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST FRIDAY. 

* TIMING...SNOW WILL DEVELOP LATE THIS EVENING AND IS EXPECTED TO
  BECOME HEAVY AT TIMES INTO FRIDAY MORNING. PERIODS OF SNOW WILL
  BECOME INCREASINGLY SHOWERY AND INTERMITTENT FRIDAY AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES BETWEEN 5000 AND 7000
  FEET...WITH 12 TO 18 INCHES ABOVE 7000 FEET. THE HIGHEST PEAKS
  OF THE WHITE MOUNTAINS...MOUNT GRAHAM...AND MOUNT LEMMON MAY
  RECEIVE 24 INCHES OF SNOW.

* IMPACTS...A PERIOD OF INTENSE SNOW AND REDUCED VISIBILITIES
  WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG HIGH
  ELEVATION ROADWAYS.

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.

&&

$$

AZZ512-513-141200-
/O.CON.KTWC.WW.Y.0003.121214T0600Z-121215T0000Z/
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...CHIRICAHUA NM...BISBEE...CANELO HILLS
212 PM MST THU DEC 13 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 5 PM MST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 5 PM MST FRIDAY.

* TIMING...SNOW WILL DEVELOP LATE THIS EVENING AND IS EXPECTED TO
  BECOME HEAVY AT TIMES INTO FRIDAY MORNING. PERIODS OF SNOW WILL
  BECOME INCREASINGLY SHOWERY AND INTERMITTENT FRIDAY AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 6 INCHES ABOVE 5000 FEET...WITH 6 TO 10
  INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE EXPECTED
  ACROSS THE SOUTHWEST FACING PEAKS OF THE CHIRICAHUA...HUACHUCA
  AND SANTA RITA MOUNTAINS.

* WINDS...SUSTAINED SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO
  55 MPH ARE EXPECTED PARTICULARLY IN THE HUACHUCA AND CHIRICAHUA
  MOUNTAINS THIS EVENING INTO FRIDAY MORNING.

* IMPACTS...EXPECT HAZARDOUS TRAVEL CONDITIONS WITH SNOW PACKED 
  AND ICY MOUNTAIN ROADS. POOR VISIBILITY WILL ALSO OCCUR DUE 
  TO PERIODS OF HEAVY SNOW.

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
819 
WWUS45 KTWC 140324
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
824 PM MST THU DEC 13 2012

AZZ510-511-514-141200-
/O.CON.KTWC.WS.W.0002.121214T0600Z-121215T0000Z/
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
824 PM MST THU DEC 13 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 5
PM MST FRIDAY.

* TIMING...RAIN SHOWERS WILL TURN TO SNOW THIS EVENING AND WILL
  BECOME HEAVY AT TIMES INTO FRIDAY MORNING. PERIODS OF SNOW WILL
  BECOME INCREASINGLY SHOWERY AND INTERMITTENT FRIDAY AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 12 TO 18 INCHES ABOVE 7000 FEET. THE HIGHEST 
  PEAKS OF THE WHITE MOUNTAINS...MOUNT GRAHAM...AND MOUNT 
  LEMMON MAY RECEIVE 24 INCHES OF SNOW.

* WINDS...SUSTAINED SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO
  40 MPH ARE EXPECTED INTO FRIDAY MORNING.

* IMPACTS...A PERIOD OF INTENSE SNOW AND REDUCED VISIBILITIES 
  WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG 
  HIGH ELEVATION ROADWAYS.

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.

&&

$$

AZZ512-513-141200-
/O.CON.KTWC.WW.Y.0003.121214T0600Z-121215T0000Z/
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...CHIRICAHUA NM...BISBEE...CANELO HILLS
824 PM MST THU DEC 13 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
FRIDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 5 PM
MST FRIDAY.

* TIMING...RAIN SHOWERS WILL TURN TO SNOW THIS EVENING AND WILL
  BECOME HEAVY AT TIMES INTO FRIDAY MORNING. PERIODS OF SNOW WILL
  BECOME INCREASINGLY SHOWERY AND INTERMITTENT FRIDAY AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 6 INCHES ABOVE 5000 FEET...WITH 6 TO
  10 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE 
  EXPECTED ACROSS THE SOUTHWEST FACING PEAKS OF THE 
  CHIRICAHUA...HUACHUCA AND SANTA RITA MOUNTAINS.

* WINDS...SUSTAINED SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO
  55 MPH ARE EXPECTED PARTICULARLY IN THE HUACHUCA AND CHIRICAHUA
  MOUNTAINS TONIGHT INTO FRIDAY MORNING.

* IMPACTS...EXPECT HAZARDOUS TRAVEL CONDITIONS WITH SNOW PACKED 
  AND ICY MOUNTAIN ROADS. POOR VISIBILITY WILL ALSO OCCUR DUE 
  TO PERIODS OF HEAVY SNOW.

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
603 
WWUS45 KTWC 140926
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
226 AM MST FRI DEC 14 2012

AZZ510-511-514-150000-
/O.CON.KTWC.WS.W.0002.000000T0000Z-121215T0000Z/
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
226 AM MST FRI DEC 14 2012

...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...RAIN SHOWERS WILL TURN TO SNOW THIS MORNING AND WILL
  BECOME HEAVY AT TIMES THROUGH THE MORNING HOURS. PERIODS OF
  SNOW WILL BECOME INCREASINGLY SHOWERY AND INTERMITTENT THIS
  AFTERNOON.

* SNOW ACCUMULATIONS...6 TO 12 INCHES BETWEEN 5000 AND 7000 
  FEET...WITH 12 TO 18 INCHES ABOVE 7000 FEET. THE HIGHEST 
  PEAKS OF THE WHITE MOUNTAINS...MOUNT GRAHAM...AND MOUNT 
  LEMMON MAY RECEIVE 24 INCHES OF SNOW.

* WINDS...SUSTAINED SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO
  40 MPH ARE EXPECTED THIS MORNING.

* IMPACTS...A PERIOD OF INTENSE SNOW AND REDUCED VISIBILITIES 
  WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG 
  HIGH ELEVATION ROADWAYS.

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.

&&

$$

AZZ512-513-150000-
/O.CON.KTWC.WW.Y.0003.000000T0000Z-121215T0000Z/
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...CHIRICAHUA NM...BISBEE...CANELO HILLS
226 AM MST FRI DEC 14 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING...RAIN SHOWERS WILL TURN TO SNOW THIS MORNING AND WILL
  BECOME HEAVY AT TIMES THROUGH THE MORNING HOURS. PERIODS OF SNOW
  WILL BECOME INCREASINGLY SHOWERY AND INTERMITTENT THIS AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 6 INCHES ABOVE 5000 FEET...WITH 6 TO
  10 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE EXPECTED
  ACROSS THE SOUTHWEST FACING PEAKS OF THE CHIRICAHUA...
  HUACHUCA AND SANTA RITA MOUNTAINS.

* WINDS...SUSTAINED SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO
  55 MPH ARE EXPECTED PARTICULARLY IN THE HUACHUCA AND CHIRICAHUA
  MOUNTAINS THIS MORNING.

* IMPACTS...EXPECT HAZARDOUS TRAVEL CONDITIONS WITH SNOW PACKED 
  AND ICY MOUNTAIN ROADS. POOR VISIBILITY WILL ALSO OCCUR DUE 
  TO PERIODS OF HEAVY SNOW.

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
159 
WWUS45 KTWC 142154
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
254 PM MST FRI DEC 14 2012

AZZ510-511-514-150600-
/O.NEW.KTWC.WW.Y.0004.121215T1200Z-121216T0000Z/
/O.CON.KTWC.WS.W.0002.000000T0000Z-121215T0000Z/
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
254 PM MST FRI DEC 14 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 5 PM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER
WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 AM TO 5
PM MST SATURDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5
PM MST THIS AFTERNOON.

* TIMING...SNOW SHOWERS WILL CONTINUE TO DIMINISH THROUGH THIS
  EVENING. HOWEVER...MORE SNOWFALL CAN BE EXPECTED LATER TONIGHT
  INTO SATURDAY. ALTHOUGH SNOW SHOWERS WILL INCREASE AGAIN AFTER
  MIDNIGHT...THE HEAVIEST SNOWFALL CAN BE ANTICIPATED DURING THE
  DAY SATURDAY.

* SNOW ACCUMULATIONS...ADDITIONAL SNOW AMOUNTS OF 4 TO 8 INCHES
  ABOVE 5000 FEET CAN BE EXPECTED BY SATURDAY EVENING.

* IMPACTS...A PERIOD OF INTENSE SNOW AND REDUCED VISIBILITIES WILL
  PRODUCE EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG HIGH
  ELEVATION ROADWAYS.

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.

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.

&&

$$

AZZ512-513-150000-
/O.CON.KTWC.WW.Y.0003.000000T0000Z-121215T0000Z/
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...CHIRICAHUA NM...BISBEE...CANELO HILLS
254 PM MST FRI DEC 14 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING...SNOW SHOWERS WILL CONTINUE TO DIMINISH THROUGH THIS
  EVENING. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOW AMOUNTS OF UP TO 1 INCH
  WILL BE POSSIBLE YET TODAY. 

* IMPACTS...A PERIOD OF SNOW AND REDUCED VISIBILITIES WILL PRODUCE
  EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG HIGH ELEVATION
  ROADWAYS.

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
450 
WWUS45 KTWC 150002
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
502 PM MST FRI DEC 14 2012

AZZ510-511-514-150815-
/O.EXP.KTWC.WS.W.0002.000000T0000Z-121215T0000Z/
/O.CON.KTWC.WW.Y.0004.121215T1200Z-121216T0000Z/
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
502 PM MST FRI DEC 14 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 5 PM
MST SATURDAY...
...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WINTER WEATHER
ADVISORY REMAINS IN EFFECT FROM 5 AM TO 5 PM MST SATURDAY. 

* TIMING...SNOW SHOWERS WILL CONTINUE TO DIMINISH THROUGH THIS 
  EVENING. HOWEVER...MORE SNOWFALL CAN BE EXPECTED LATER TONIGHT 
  INTO SATURDAY. ALTHOUGH SNOW SHOWERS WILL INCREASE AGAIN AFTER 
  MIDNIGHT...THE HEAVIEST SNOWFALL CAN BE ANTICIPATED DURING THE 
  DAY SATURDAY. 

* SNOW ACCUMULATIONS...ADDITIONAL SNOW AMOUNTS OF 4 TO 8 INCHES 
  ABOVE 5000 FEET CAN BE EXPECTED BY SATURDAY EVENING.

* IMPACTS...A PERIOD OF INTENSE SNOW AND REDUCED VISIBILITIES
  WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL CONDITIONS ALONG 
  HIGH ELEVATION ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A 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.

&&

$$

AZZ512-513-150115-
/O.EXP.KTWC.WW.Y.0003.000000T0000Z-121215T0000Z/
CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...CHIRICAHUA NM...BISBEE...CANELO HILLS
502 PM MST FRI DEC 14 2012

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

SHOWERS WILL CONTINUE TO DIMINISH THIS EVENING. ADDITIONAL SHOWER
ACTIVITY WILL DEVELOP SATURDAY...HOWEVER ANY ADDITIONAL SNOWFALL
AMOUNTS ARE EXPECTED TO REMAIN BELOW 1 TO 3 INCHES.

$$


HTTP://WEATHER.GOV/TUCSON

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 9:45 PM MSTWind AdvisoryTWCCochise, Graham, Pima, Santa Cruz38 hr
Dec 13, 3:13 AM MSTWinter Weather AdvisoryTWCCochise, Pima, Santa Cruz38 hr

Nearby

Winter Storm Warnings in Arizona, 2012Every winter storm warning in 2012

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.