Alert archive / Arizona / Winter Storm Warnings in 2013

Winter Storm Warning 1, NWS Tucson, AZ

February 18, 20136 counties in Arizona

NWS Tucson, AZ issued this winter storm warning at Feb 18, 2013, 1:59 PM MST for 6 counties in Arizona. It took effect at Feb 20, 2013, 6:00 AM MST. It was in force for 21 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 18, 2013, 1:59 PM MST (20:59 UTC)
In effect from
Feb 20, 2013, 6:00 AM MST
Expired
Feb 21, 2013, 3:18 AM MST
In force
21 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 21:01 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, 9.0 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 2013-02-18Temperature 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 2013-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939587897117Sfc1 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
2858 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
134 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.

177 
WWUS45 KTWC 182059
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
159 PM MST MON FEB 18 2013

...WINTER STORM WEDNESDAY...

AZZ503-504-506>515-190500-
/O.UPG.KTWC.WS.A.0002.130220T1300Z-130221T0600Z/
/O.NEW.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
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...ORACLE...SIERRA VISTA...WILLCOX...
HANNAGAN MEADOW...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN
159 PM MST MON FEB 18 2013

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY ABOVE 3800 FEET...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY ABOVE 3800 FEET. THIS UPGRADES THE WINTER STORM WATCH
THAT WAS PREVIOUSLY IN EFFECT.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE WEST LATE 
  TUESDAY NIGHT...AND INCREASE THROUGH THE MORNING WEDNESDAY. 
  HEAVIEST SNOWFALL IS EXPECTED BETWEEN NOON AND 9 PM 
  WEDNESDAY.

* SNOW ACCUMULATIONS...STORM TOTALS OF 1 TO 2 INCHES BETWEEN 3000
  AND 3800 FEET...FROM 3 TO 6 INCHES BETWEEN 3800 AND 5000
  FEET...FROM 6 TO 12 INCHES BETWEEN 5000 AND 7000 FEET... AND
  FROM 10 TO 16 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE
  POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 4000 AND 5500 FEET AHEAD OF THE FRONT
  WEDNESDAY MORNING...FALLING AS LOW AS 3000 FEET BEHIND THE FRONT
  DURING THE DAY WEDNESDAY...THEN AS LOW AS 2500 FEET WEDNESDAY
  NIGHT.

* WINDS...STRONG GUSTY WINDS ARE EXPECTED AHEAD OF THE FRONT... 
  ESPECIALLY IN THE MOUNTAINS. SOUTHWEST TO WEST WINDS OF 15 
  TO 30 MPH WITH GUSTS OF 30 TO 45 MPH ARE POSSIBLE AT HIGHER 
  ELEVATIONS. WIND PRONE LOCATIONS EAST OF TUCSON CAN ALSO 
  EXPECT THE STRONGEST WINDS. 

* 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.

&&

$$


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12 follow-up statements
618 
WWUS45 KTWC 190425
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
925 PM MST MON FEB 18 2013

...WINTER STORM WEDNESDAY...

AZZ503-504-506>515-191230-
/O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
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...ORACLE...SIERRA VISTA...WILLCOX...
HANNAGAN MEADOW...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN
925 PM MST MON FEB 18 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY ABOVE 3800 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...SHOWERS WILL SPREAD INTO THE AREA FROM THE WEST LATE 
  TUESDAY NIGHT...AND INCREASE THROUGH THE MORNING WEDNESDAY. 
  HEAVIEST SNOWFALL IS EXPECTED BETWEEN NOON AND 9 PM 
  WEDNESDAY. 

* SNOW ACCUMULATIONS...STORM TOTALS OF 1 TO 2 INCHES BETWEEN 3000
  AND 3800 FEET...FROM 3 TO 6 INCHES BETWEEN 3800 AND 5000 FEET...
  FROM 6 TO 12 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 10 TO
  16 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE
  AT HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 4000 AND 5500 FEET AHEAD OF THE FRONT 
  WEDNESDAY MORNING...FALLING AS LOW AS 3000 FEET BEHIND THE 
  FRONT DURING THE DAY WEDNESDAY...THEN AS LOW AS 2500 FEET 
  WEDNESDAY NIGHT.

* WINDS...STRONG GUSTY WINDS ARE EXPECTED AHEAD OF THE FRONT... 
  ESPECIALLY IN THE MOUNTAINS. SOUTHWEST TO WEST WINDS OF 15 
  TO 30 MPH WITH GUSTS OF 30 TO 45 MPH ARE POSSIBLE AT HIGHER 
  ELEVATIONS. WIND PRONE LOCATIONS EAST OF TUCSON CAN ALSO 
  EXPECT THE STRONGEST WINDS.

* 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.

&&

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
625 
WWUS45 KTWC 191030
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
330 AM MST TUE FEB 19 2013

AZZ503-504-506>515-192200-
/O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
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...NOGALES...ORACLE...SIERRA VISTA...
BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW...MOUNT GRAHAM...
CHIRICAHUA NM...BISBEE...CANELO HILLS...MADERA CANYON...
MOUNT LEMMON...SUMMERHAVEN
330 AM MST TUE FEB 19 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY ABOVE 3500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND OR SHORTLY
  AFTER SUNRISE WEDNESDAY. THE HEAVIEST SNOWFALL IS EXPECTED TO
  OCCUR FROM 9 AM TO 5 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE
  FROM WEST TO EAST WEDNESDAY EVENING AND DIMINISH LATE WEDNESDAY
  NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 1 TO 2 INCHES BETWEEN 3000
  AND 3500 FEET...FROM 3 TO 6 INCHES BETWEEN 3500 AND 5000 FEET...
  FROM 6 TO 12 INCHES BETWEEN 5000 AND 7000 FEET...AND FROM 10 TO
  16 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE
  AT HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 4000 AND 5500 FEET AHEAD OF THE COLD FRONT
  WEDNESDAY MORNING...FALLING AS LOW AS 3000 FEET BEHIND THE COLD
  FRONT DURING THE DAY WEDNESDAY...THEN AS LOW AS 2500 FEET
  WEDNESDAY NIGHT.

* WINDS...STRONG GUSTY WINDS WILL OCCUR AHEAD OF THE COLD FRONT...
  AND ESPECIALLY IN THE MOUNTAINS. SOUTHWEST TO WEST WINDS OF 15
  TO 30 MPH WITH GUSTS OF 30 TO 45 MPH ARE POSSIBLE AT HIGHER
  ELEVATIONS. WIND PRONE LOCATIONS EAST OF TUCSON CAN ALSO EXPECT
  THE STRONGEST WINDS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED.
GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE
TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS.

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

&&

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
439 
WWUS45 KTWC 192110
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
210 PM MST TUE FEB 19 2013

AZZ503-504-506>515-200515-
/O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
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...NOGALES...ORACLE...SIERRA VISTA...
BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW...MOUNT GRAHAM...
CHIRICAHUA NM...BISBEE...CANELO HILLS...MADERA CANYON...
MOUNT LEMMON...SUMMERHAVEN
210 PM MST TUE FEB 19 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE
  WEDNESDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
  FROM 9 AM TO 5 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE FROM
  WEST TO EAST WEDNESDAY EVENING AND DIMINISH LATE WEDNESDAY
  NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 1 TO 2 INCHES BETWEEN 3000
  AND 3500 FEET...FROM 3 TO 6 INCHES BETWEEN 3500 AND 5000 FEET...
  FROM 6 TO 12 INCHES BETWEEN 5000 AND 7000 FEET... AND FROM 10 TO
  16 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE
  AT HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 4000 AND 5500 FEET AHEAD OF THE COLD FRONT
  WEDNESDAY MORNING...FALLING AS LOW AS 3000 FEET BEHIND THE COLD
  FRONT DURING THE DAY WEDNESDAY...THEN AS LOW AS 2500 FEET
  WEDNESDAY NIGHT.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST
  WINDS OF 20 TO 35 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE
  POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER
  TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED.
GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE
TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS.

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

&&

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
635 
WWUS45 KTWC 192139 CCA
WSWTWC

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TUCSON AZ
238 PM MST TUE FEB 19 2013

CORRECTED HEADLINE

AZZ503-504-506>515-200600-
/O.COR.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
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...NOGALES...ORACLE...SIERRA VISTA...
BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW...MOUNT GRAHAM...
CHIRICAHUA NM...BISBEE...CANELO HILLS...MADERA CANYON...
MOUNT LEMMON...SUMMERHAVEN
238 PM MST TUE FEB 19 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY ABOVE 3500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE
  WEDNESDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
  FROM 9 AM TO 5 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE FROM
  WEST TO EAST WEDNESDAY EVENING AND DIMINISH LATE WEDNESDAY
  NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 1 TO 2 INCHES BETWEEN 3000
  AND 3500 FEET...FROM 3 TO 6 INCHES BETWEEN 3500 AND 5000 FEET...
  FROM 6 TO 12 INCHES BETWEEN 5000 AND 7000 FEET... AND FROM 10 TO
  16 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE
  AT HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 4000 AND 5500 FEET AHEAD OF THE COLD FRONT
  WEDNESDAY MORNING...FALLING AS LOW AS 3000 FEET BEHIND THE COLD
  FRONT DURING THE DAY WEDNESDAY...THEN AS LOW AS 2500 FEET
  WEDNESDAY NIGHT.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST
  WINDS OF 20 TO 35 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE
  POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER
  TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED.
GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS WILL MAKE
TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE MOUNTAINS.

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

&&

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
089 
WWUS45 KTWC 200118
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
618 PM MST TUE FEB 19 2013

...HEAVY SNOW EXPECTED...
THE WINTER STORM WARNING HAS BEEN LOWERED TO 3000 FEET. THE WINTER
STORM WARNING HAS BEEN REPLACED BY A BLIZZARD WARNING IN SOME
MOUNTAIN LOCATIONS.

AZZ511>514-200930-
/O.CAN.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
/O.NEW.KTWC.BZ.W.0001.130220T1300Z-130221T0600Z/
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN
618 PM MST TUE FEB 19 2013

...BLIZZARD WARNING IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM TO 11 PM MST WEDNESDAY.
THIS REPLACES THE WINTER STORM WARNING.

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

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE
  WEDNESDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
  FROM 9 AM TO 7 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE FROM
  WEST TO EAST BY LATE WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 5000
  AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET.
  LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN
  ELEVATIONS.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST
  WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 MPH ARE
  POSSIBLE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER
STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM.

&&

$$

AZZ503-504-506>510-515-200930-
/O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE...
SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW
618 PM MST TUE FEB 19 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY ABOVE 3000 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM MST
WEDNESDAY. THE ELEVATION HAS BEEN ADJUSTED DOWNWARD TO INCLUDE
LOCATIONS AT AND ABOVE 3000 FEET. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE
  WEDNESDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
  FROM 9 AM TO 7 PM WEDNESDAY. SNOW SHOWERS WILL DECREASE FROM
  WEST TO EAST WEDNESDAY EVENING AND DIMINISH LATE WEDNESDAY
  NIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000
  AND 5000 FEET... FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000
  FEET... AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER
  AMOUNTS ARE POSSIBLE AT HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT
  WEDNESDAY MORNING...FALLING AS LOW AS 2800 FEET BEHIND THE COLD
  FRONT DURING THE DAY WEDNESDAY...THEN AS LOW AS 2200 FEET
  WEDNESDAY NIGHT.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST
  WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 AND 55 MPH ARE POSSIBLE.
  THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL
  AS ACROSS COCHISE AND GRAHAM COUNTIES.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE
EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE
MOUNTAINS.

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

&&

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
964 
WWUS45 KTWC 200935
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
235 AM MST WED FEB 20 2013

AZZ511>514-201900-
/O.CON.KTWC.BZ.W.0001.130220T1300Z-130221T0600Z/
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN
235 AM MST WED FEB 20 2013

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
11 PM MST THIS EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
11 PM MST THIS EVENING. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS
  MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM
  THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL
  DECREASE FROM WEST TO EAST BY LATE THIS EVENING.

* SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN
  5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 
  FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST 
  MOUNTAIN ELEVATIONS.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 
  MPH ARE POSSIBLE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER
STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM.

&&

$$

AZZ503-504-506>510-515-201900-
/O.CON.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE...
SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW
235 AM MST WED FEB 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 11 PM MST THIS EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 11 PM MST THIS EVENING. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS
  MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM
  THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL
  DECREASE FROM WEST TO EAST THIS EVENING AND DIMINISH LATE TONIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000
  AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000
  FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER
  AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT
  THIS MORNING...FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT
  LATER TODAY...THEN AS LOW AS 2200 FEET TONIGHT.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 AND 55 MPH ARE 
  POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER 
  TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE
EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE
MOUNTAINS.

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

&&

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
637 
WWUS45 KTWC 201204 CCA
WSWTWC

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE TUCSON AZ
501 AM MST WED FEB 20 2013

CORRECTED HEADLINE

AZZ511>514-202145-
/O.CON.KTWC.BZ.W.0001.130220T1300Z-130221T0600Z/
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN
501 AM MST WED FEB 20 2013

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
11 PM MST THIS EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
11 PM MST THIS EVENING. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS
  MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM
  THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL
  DECREASE FROM WEST TO EAST BY LATE THIS EVENING.

* SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN
  5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 
  FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST 
  MOUNTAIN ELEVATIONS.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 
  MPH ARE POSSIBLE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER
STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM.

&&

$$

AZZ503-504-506>510-515-202145-
/O.COR.KTWC.WS.W.0001.130220T1300Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE...
SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW
501 AM MST WED FEB 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 11 PM MST THIS EVENING ABOVE 3000 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO 11 PM MST THIS EVENING. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW ESPECIALLY AT HIGHER ELEVATIONS. 

* TIMING...EXPECT ACCUMULATING SNOW TO BEGIN AROUND SUNRISE THIS
  MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR FROM 9 AM
  THIS MORNING TO 7 PM MST THIS EVENING. SNOW SHOWERS WILL
  DECREASE FROM WEST TO EAST THIS EVENING AND DIMINISH LATE TONIGHT.

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 3000
  AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000
  FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER
  AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT
  THIS MORNING...FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT
  LATER TODAY...THEN AS LOW AS 2200 FEET TONIGHT.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 AND 55 MPH ARE 
  POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER 
  TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE
EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE
MOUNTAINS.

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

&&

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
840 
WWUS45 KTWC 201725
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1025 AM MST WED FEB 20 2013

AZZ511>514-210130-
/O.CON.KTWC.BZ.W.0001.000000T0000Z-130221T0600Z/
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN
1025 AM MST WED FEB 20 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW
  AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED IN THE
  MOUNTAINS.  

* TIMING...ALTHOUGH ISOLATED SNOW SHOWERS HAVE OCCURRED IN SPOTS
  THIS MORNING...THE BULK OF THE SNOWFALL WILL BE THIS AFTERNOON
  AND INTO THE EVENING HOURS.

* SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 
  5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 
  FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST 
  MOUNTAIN ELEVATIONS.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 
  MPH ARE POSSIBLE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER
STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM.

&&

$$

AZZ503-504-506>510-515-210130-
/O.CON.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE...
SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW
1025 AM MST WED FEB 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 3000 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING FOR ABOVE 3000 FEET. 

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

* TIMING...RAIN AND SNOW CAN STILL BE ANTICIPATED TODAY...ALTHOUGH
  SOMEWHAT DELAYED THIS MORNING. EXPECT SHOWERS TO BE ON THE
  INCREASE THIS AFTERNOON AND CONTINUE INTO THE EVENING HOURS.

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN
  3000 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 
  7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. 
  LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN 
  ELEVATIONS. 

* SNOW LEVELS...BETWEEN 3500 AND 5500 FEET AHEAD OF THE COLD FRONT
  THEN FALLING AS LOW AS 2800 FEET BEHIND THE COLD FRONT LATER
  THIS EVENING...THEN AS LOW AS 2200 FEET OVERNIGHT TONIGHT.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO WEST
  WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. THE
  STRONGEST WINDS ARE EXPECTED IN THE HIGHER TERRAIN...AS WELL AS
  ACROSS COCHISE AND GRAHAM COUNTIES.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE
EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE
MOUNTAINS.

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

&&

$$

VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
774 
WWUS45 KTWC 201904
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1204 PM MST WED FEB 20 2013

AZZ511>514-210315-
/O.CON.KTWC.BZ.W.0001.000000T0000Z-130221T0600Z/
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MOUNT LEMMON...SUMMERHAVEN
1204 PM MST WED FEB 20 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE EXPECTED WITH SNOW 
  AND BLOWING SNOW. WHITE-OUT CONDITIONS ARE EXPECTED IN THE 
  MOUNTAINS. 

* TIMING...SNOWFALL WILL CONTINUE THIS AFTERNOON AND INTO THE
  EVENING HOURS.

* SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 
  5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 
  FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST 
  MOUNTAIN ELEVATIONS.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO BETWEEN 50 AND 55 
  MPH ARE POSSIBLE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR LATER
STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM.

&&

$$

AZZ503-504-506>510-515-210315-
/O.CON.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...VAIL...ORACLE...
SIERRA VISTA...BENSON...WILLCOX...CLIFTON...HANNAGAN MEADOW
1204 PM MST WED FEB 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 2500 FEET...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 2500 FEET. 

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

* TIMING...RAIN AND SNOW CAN STILL BE ANTICIPATED TODAY...
  ALTHOUGH SOMEWHAT DELAYED THIS MORNING. EXPECT SHOWERS TO BE 
  ON THE INCREASE THIS AFTERNOON AND CONTINUE INTO THE EVENING 
  HOURS.

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 2500 AND
  5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 7000 FEET...AND
  FROM 14 TO 19 INCHES ABOVE 7000 FEET. LOCALLY HIGHER AMOUNTS ARE
  POSSIBLE AT THE HIGHEST MOUNTAIN ELEVATIONS.

* SNOW LEVELS...SNOW LEVEL AS LOW AS 2000 FEET.

* WINDS...STRONG AND GUSTY WINDS ARE EXPECTED. SOUTHWEST TO 
  WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE 
  POSSIBLE. THE STRONGEST WINDS ARE EXPECTED IN THE HIGHER 
  TERRAIN...AS WELL AS ACROSS COCHISE AND GRAHAM COUNTIES.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE
EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE
MOUNTAINS.

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

&&

$$


VISIT US ON FACEBOOK...TWITTER...YOUTUBE...AND AT WEATHER.GOV/TUCSON
219 
WWUS45 KTWC 210354
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
854 PM MST WED FEB 20 2013

AZZ511>514-210600-
/O.CAN.KTWC.BZ.W.0001.000000T0000Z-130221T0600Z/
/O.EXA.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-
INCLUDING THE CITIES OF...MOUNT GRAHAM...CHIRICAHUA NM...BISBEE...
CANELO HILLS...MADERA CANYON...MOUNT LEMMON...SUMMERHAVEN
854 PM MST WED FEB 20 2013

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 PM MST THIS
EVENING. THE BLIZZARD WARNING HAS BEEN CANCELLED.

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

* SNOW ACCUMULATIONS...STORM TOTALS OF 7 TO 14 INCHES BETWEEN 
  5000 AND 7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 
  FEET. LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT HIGHEST 
  MOUNTAIN ELEVATIONS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...


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

&&

$$

AZZ503-504-506>510-515-210600-
/O.CON.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...TUCSON...GREEN VALLEY...
MARANA...VAIL...MAMMOTH...ORACLE...SIERRA VISTA...BENSON...
WILLCOX...CLIFTON...SAFFORD...HANNAGAN MEADOW
854 PM MST WED FEB 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

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

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN
  2500 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 
  7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. 
  LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN 
  ELEVATIONS. 

* SNOW LEVELS...SNOW LEVEL AS LOW AS 2000 FEET.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE
EXPECTED. GUSTY WINDS AND BLOWING SNOW ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY DIFFICULT OR IMPOSSIBLE...ESPECIALLY IN THE
MOUNTAINS.

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

&&

$$


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031 
WWUS45 KTWC 210530
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1030 PM MST WED FEB 20 2013

AZZ503-504-506>508-512>515-210630-
/O.CAN.KTWC.WS.W.0001.000000T0000Z-130221T0600Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-TUCSON METRO AREA-
SOUTHEAST PINAL COUNTY-UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
CATALINA AND RINCON MOUNTAINS-BABOQUIVARI MOUNTAINS-
INCLUDING THE CITIES OF...NOGALES...TUCSON...GREEN VALLEY...
MARANA...VAIL...MAMMOTH...ORACLE...SIERRA VISTA...BENSON...
WILLCOX...CHIRICAHUA NM...BISBEE...CANELO HILLS...MADERA CANYON...
MOUNT LEMMON...SUMMERHAVEN
1030 PM MST WED FEB 20 2013

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WINTER
STORM WARNING. 

SNOW SHOWERS HAVE DIMINISHED THIS EVENING AND LITTLE TO NO
ADDITIONAL ACCUMULATIONS EXPECTED.

$$

AZZ509>511-211200-
/O.EXT.KTWC.WS.W.0001.000000T0000Z-130221T1200Z/
UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...CLIFTON...SAFFORD...HANNAGAN MEADOW...
MOUNT GRAHAM
1030 PM MST WED FEB 20 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM MST
THURSDAY. 

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

* SNOW ACCUMULATIONS...STORM TOTALS OF 3 TO 7 INCHES BETWEEN 
  3500 AND 5000 FEET...FROM 7 TO 14 INCHES BETWEEN 5000 AND 
  7000 FEET...AND FROM 14 TO 19 INCHES ABOVE 7000 FEET. 
  LOCALLY HIGHER AMOUNTS ARE POSSIBLE AT THE HIGHEST MOUNTAIN 
  ELEVATIONS. 

* SNOW LEVELS...SNOW LEVEL AS LOW AS 3000 FEET.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


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427 
WWUS45 KTWC 211018
WSWTWC

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
318 AM MST THU FEB 21 2013

AZZ509>511-211130-
/O.CAN.KTWC.WS.W.0001.000000T0000Z-130221T1200Z/
UPPER GILA RIVER VALLEY-
WHITE MOUNTAINS OF GRAHAM AND GREENLEE COUNTIES-
GALIURO AND PINALENO MOUNTAINS-
INCLUDING THE CITIES OF...CLIFTON...SAFFORD...HANNAGAN MEADOW...
MOUNT GRAHAM
318 AM MST THU FEB 21 2013

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS CAN CANCELLED THE WINTER STORM
WARNING.

THE SNOW SHOWERS HAVE GREATLY DIMINISHED OVER GRAHAM AND GREENLEE
COUNTIES. NO ADDITIONAL SNOWFALL ACCUMULATIONS ARE ANTICIPATED.

$$


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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 18, 9:25 AM MST, 4 hours 34 minutes earlier.

Area forecast discussion, Feb 18, 9:25 AM MST, 4 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
925 AM MST MON FEB 18 2013

.SYNOPSIS...DRY AND WARM TO START THE WEEK. A STRONG AND COLD
PACIFIC WINTER WEATHER SYSTEM WILL BRING STRONG GUSTY WINDS TUESDAY
AND WEDNESDAY. EXPECT RAIN AND SNOW ALONG WITH MUCH COOLER
TEMPERATURES WEDNESDAY AND WEDNESDAY NIGHT. COLD AIR WILL THEN
SETTLE IN FOR THE REST OF THE WEEK WITH A FEW LINGERING SHOWERS.

&&

.DISCUSSION...SHEAVES OF CIRRUS LEVEL MOISTURE ACROSS SOUTHERN
AREAS...OTHERWISE DRY AND WARM. SOUNDING PRECIPITABLE WATER ABOUT
1/5 OF AN INCH WITH POTENTIAL HIGH IN THE LOWER 70S TODAY. FIRST
SHOT OF ENERGY ROTATING FROM THE BASE OF THE NORTHEAST PACIFIC
TROUGH INTO THE PACIFIC NORTHWEST TODAY WITH A MUCH STRONGER IMPULSE
DIGGING DOWN THE COAST OF BRITISH COLUMBIA. THIS WILL ALLOW A FAST
TRACK INTO NORTHERN AND CENTRAL CALIFORNIA TOMORROW.

NAM COMING IN A LITTLE STRONGER WITH THE WINDS TUESDAY AFTERNOON AND
TIMING TRENDS ON THE WINTER STORM SUPPORT THIS. WE WILL BE
CONSIDERING A RED FLAG WARNING FOR MUCH OF THE AREA TUESDAY
AFTERNOON WITH A POSSIBLE WIND ADVISORY FOR WIND PRONE LOCATIONS
(PRIMARILY COCHISE COUNTY).

WINTER STORM WATCH WEDNESDAY AND WEDNESDAY EVENING ON TRACK.
CONSIDERING ALL OF THE ACTIVITIES IN SOUTHEAST ARIZONA LATER THIS
WEEK WE WILL NEED TO KEEP IN MIND THE RECENT TREND OF MEAN TROUGH
POSITIONS SETTING UP OVER SEVERAL DAYS WITH REINFORCING ENERGY AND
COLD AIR. WE MAY NEED TO ADJUST OUR POPS UP A BIT IN THE WAKE OF THE
SYSTEM THURSDAY AND FRIDAY AND THEN ASSOCIATED WITH ANOTHER STRONG
SHOT OF ENERGY SUNDAY. NAMDNG5 AND ECMWF CONTINUE TO HAVE A GOOD
HANDLE ON THINGS.

&&

.PREV DISCUSSION...TUESDAY...PRESSURE GRADIENT INCREASES IN ADVANCE
OF OUR WEDNESDAY STORM WHICH WILL BE IN NORTHERN CALIFORNIA IN THE
AFTERNOON. LOOK FOR BREEZY TO LOCALLY WINDY CONDITIONS WITH AREAS OF
BLOWING DUST IN THE AFTERNOON. FIRE WEATHER CONCERNS ARE ADDRESSED
IN THE FIRE WEATHER SECTION BELOW.

WEDNESDAY...CONFIDENCE REMAINS HIGH WILL WINTER STORM BRING
WIDESPREAD VALLEY RAIN AND MOUNTAIN SNOW TO THE REGION. SNOW LEVELS
WILL BE DROPPING THROUGHOUT THE DAY...POSSIBLY DOWN TO 3000 FEET.
LOW LEVEL MOISTURE BREACH THROUGH THE SAN DIEGO...NORTHERN BAJA
MOUNTAINS WILL LATE TUESDAY NIGHT INTO EARLY WEDNESDAY MORNING WITH
SHOWERS DEVELOPING OVER WESTERN PIMA COUNTY SHORTLY AFTER MIDNIGHT.
EXPECT AREAL COVERAGE OF SHOWERS TO INCREASE WEST OF TUCSON AS
STRONG UPPER HEIGHT FALL MOVE IN. THESE SHOWERS WILL THEN SLOWLY
PROGRESS EAST ACROSS THE FORECAST AREA THROUGH THE REST OF THE DAY.
THIS IS SHOWN NICELY WHEN YOU LOOK AT THE NAMDNG5 MODEL 3 HOUR POP
OUTPUT. MAINTAINED WINTER STORM WATCH FOR AREAS ABOVE 4000 FEET.
SIGNIFICANTLY COLDER WEDNESDAY VERSUS TUESDAY WITH WESTERN 2/3RDS OF
FORECAST AREA RECORDING THEIR HIGH FOR THE DAY BEFORE 5 AM.

WEDNESDAY NIGHT INTO THURSDAY MORNING...RAIN/SNOW SHOWERS ENDING
FROM WEST TO EAST THEN TURNING COLDER WITH AREAS OF FROST POSSIBLE.

THURSDAY...COOL WITH A SLIGHT CHANCE OF SHOWERS AS WEAKER UPPER
TROUGH PUSHES ACROSS THE AREA. ANOTHER COLD NIGHT THURSDAY NIGHT
INTO FRIDAY MORNING.

FRIDAY...A SLIGHT CHANCE OF RAIN/SNOW SHOWERS...MAINLY IN THE
WHITES...OTHERWISE REMAINING COOL UNDER NORTHWEST FLOW ALOFT.

UPCOMING WEEKEND...A LITTLE WARMER BUT STILL BELOW NORMAL. ANOTHER
WEATHER SYSTEM WILL PASS THROUGH ON SUNDAY.

&&

.AVIATION...SCT-BKN CLOUDS ABOVE 20K FT AGL AND SURFACE WIND MAINLY
LESS THAN 10 KTS THRU EARLY TUESDAY MORNING OR 19/12Z. CLOUDS
INCREASING TUESDAY AFTERNOON WITH SURFACE WIND SLY/SWLY 15-25 KTS
WITH GUSTS TO 35-40 KTS. AVIATION DISCUSSION NOT UPDATED FOR TAF
AMENDMENTS.

&&

.FIRE WEATHER...DRY CONDITIONS WITH ABOVE NORMAL HIGH TEMPERATURES
WILL PREVAIL THROUGH TUESDAY. NORMAL DIURNAL WIND TRENDS WILL OCCUR
TODAY. AN APPROACHING STORM SYSTEM WILL THEN RESULT IN BREEZY TO
WINDY CONDITIONS TUESDAY AFTERNOON FROM TUCSON AND NOGALES EASTWARD
TO THE NEW MEXICO BORDER. THE COMBINATION OF STRONG AND GUSTY
SOUTHWEST WINDS...LOW RELATIVE HUMIDITIES AND A HIGH FIRE DANGER
RATING MAY RESULT IN RED FLAG CRITERIA OCCURRING TUESDAY
AFTERNOON...ESPECIALLY ACROSS COCHISE COUNTY. A STRONG STORM SYSTEM
WILL THEN BRING VALLEY RAIN AND MOUNTAIN SNOW WEDNESDAY...AS WELL AS
WINDY CONDITIONS AND COLDER DAYTIME TEMPERATURES. EXPECT A FEW
LINGERING SHOWERS THURSDAY AND FRIDAY WITH ANOTHER WEATHER SYSTEM
POSSIBLE ON SUNDAY.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...
  WINTER STORM WATCH ABOVE 4000 FEET FROM 6 AM WEDNESDAY THROUGH
   11 PM WEDNESDAY FOR PUBLIC ZONE 503-504-506>515.

&&

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MEYER/ZELL
Hazardous weather outlook, Feb 18, 3:55 AM MST, 10 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
355 AM MST MON FEB 18 2013

AZZ510>515-182200-
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-
355 AM MST MON FEB 18 2013

...WINTER STORM WATCH IN EFFECT WEDNESDAY AND WEDNESDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

STRONG GUSTY WINDS DEVELOPING TUESDAY.

A STRONG AND COLD WINTER STORM WILL BRING SNOW...GUSTY WINDS AND
MUCH COOLER TEMPERATURES WEDNESDAY. SIGNIFICANT ACCUMULATIONS ARE
EXPECTED. PLEASE SEE WINTER STORM WATCH PHXWSWTWC OR WWUS45 KTWC
FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

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

AZZ503-504-506>509-182200-
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-
355 AM MST MON FEB 18 2013

...WINTER STORM WATCH IN EFFECT WEDNESDAY AND WEDNESDAY EVENING
ABOVE 4000 FEET...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARIZONA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

STRONG GUSTY WINDS WITH AREAS OF BLOWING DUST POSSIBLE TUESDAY.

A STRONG AND COLD WINTER STORM WILL BRING WIDESPREAD SHOWERS...GUSTY
WINDS AND MUCH COOLER TEMPERATURES ON WEDNESDAY. SIGNIFICANT
ACCUMULATIONS ARE POSSIBLE ABOVE 4000 FEET. PLEASE SEE WINTER STORM
WATCH PHXWSWTWC OR WWUS45 KTWC FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

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

AZZ501-502-505-182200-
WESTERN PIMA COUNTY-TOHONO O'ODHAM NATION-
SOUTH CENTRAL PINAL COUNTY-
355 AM MST MON FEB 18 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...MONDAY THROUGH SATURDAY

STRONG GUSTY WINDS DEVELOPING TUESDAY.

A STRONG AND COLD WINTER STORM WILL BRING PERIODS OF
SHOWERS...GUSTY WINDS AND MUCH COOLER TEMPERATURES ON WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 1:10 PM MSTRed Flag WarningTWC30 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.