HAZARDOUS WEATHER OUTLOOK
Issue Date: 1146 AM MST MON DEC 07 2009
Expiration: 500 AM MST TUE DEC 08 2009

Expires:200912081200;;
FLUS45 KTWC 071845
HWOTWC
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
1145 AM MST MON DEC 7 2009
AZZ033>035-081200-
TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY-COCHISE COUNTY-
1145 AM MST MON DEC 7 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
ARIZONA.
...WINTER STORM WARNING IN EFFECT FROM 5 PM MST THIS AFTERNOON TO
NOON TUESDAY ABOVE 6000 FEET...
...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO NOON MST
TUESDAY...
.DAY ONE...THIS AFTERNOON AND TONIGHT
A STRONG WINTER STORM SYSTEM CENTERED OVER NORTHERN CALIFORNIA
THIS MORNING WILL TRACK EAST THROUGH THE GREAT BASIN TONIGHT. A
STRONG FRONT ALONG THE SOUTHERN EDGE OF THIS SYSTEM WILL TRACK
THROUGH SOUTHEAST ARIZONA LATE THIS EVENING INTO TUESDAY MORNING.
THIS FEATURE WILL RESULT IN STRONG GUSTY WINDS...WIDESPREAD
VALLEY RAIN AND SIGNIFICANT MOUNTAIN SNOW IN SOUTHEAST ARIZONA
MONDAY NIGHT INTO TUESDAY. SIGNIFICANT SNOWFALL IS EXPECTED ABOVE
6000 FEET. THE STRONG AND GUSTY SOUTH TO SOUTHWEST WINDS WILL
RESULT IN AREAS OF BLOWING SNOW...REDUCING VISIBILITIES BELOW A
QUARTER MILE AT TIMES. TRAVEL CONDITIONS WILL BE EXTREMELY
HAZARDOUS. SOME ROADS MAY BECOME IMPASSABLE...ESPECIALLY DUE TO
DRIFTING OF SNOW AND SIGNIFICANT ACCUMULATION BY TUESDAY MORNING.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
DRIER CONDITIONS WILL OCCUR WEDNESDAY FOLLOWED BY THE NEXT CHANCE
OF VALLEY RAIN AND MOUNTAIN SNOW SHOWERS THURSDAY INTO FRIDAY.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$

WIND ADVISORY
Issue Date: 431 AM MST MON DEC 07 2009
Expiration: 1200 PM MST TUE DEC 08 2009

...STRONG GUSTY WINDS LATE TONIGHT INTO TUESDAY MORNING ACROSS
SOUTHEAST ARIZONA...
.A STRONG WINTER STORM SYSTEM CENTERED OVER NORTHERN CALIFORNIA
THIS MORNING WILL TRACK EAST THROUGH THE GREAT BASIN TONIGHT. A
STRONG FRONT ALONG THE SOUTHERN EDGE OF THIS SYSTEM WILL TRACK
THROUGH SOUTHEAST ARIZONA LATE THIS EVENING INTO TUESDAY MORNING.
THIS FEATURE WILL RESULT IN STRONG GUSTY WINDS...WIDESPREAD
VALLEY RAIN AND SIGNIFICANT MOUNTAIN SNOW IN SOUTHEAST ARIZONA
MONDAY NIGHT INTO MIDDAY TUESDAY.
AZZ019-030-034-035-071945-
/O.NEW.KTWC.WI.Y.0018.091208T0600Z-091208T1900Z/
NORTHERN GREENLEE COUNTY-UPPER GILA RIVER VALLEY-
SANTA CRUZ COUNTY-COCHISE COUNTY-
INCLUDING THE CITIES OF...CLIFTON...SAFFORD...NOGALES...
SIERRA VISTA
431 AM MST MON DEC 7 2009
...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO NOON MST
TUESDAY...
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO NOON MST
TUESDAY.
* TIMING...BREEZY TO LOCALLY WINDY SOUTH WINDS THIS EVENING WILL
BECOME WINDY SOUTHWEST WINDS BY MIDNIGHT. THESE WINDS WILL
PERSIST UNTIL MID-MORNING...BEFORE SHIFTING TO THE WEST AND
SLOWLY DECREASING THROUGH MID-DAY FRIDAY.
* WINDS...SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 35 MPH THIS
EVENING WILL SHIFT TO THE SOUTHWEST AND INCREASE TO 25 TO 35 MPH
WITH GUSTS TO 45 MPH BY MIDNIGHT. STRONG WINDS WILL PERSIST INTO
THE MID-MORNING HOURS THEN SHIFT TO THE WEST BY MID-DAY AND
DECREASE. WINDS IN THE HIGHER TERRAIN...ESPECIALLY THOSE
LOCATIONS ABOVE 8000 FEET...WILL BE MUCH STRONGER...WITH
SUSTAINED WINDS OF 30 TO 40 MPH WITH OCCASIONAL WIND GUSTS TO
60 MPH POSSIBLE.
* IMPACTS...THE STRONG AND GUSTY WINDS WILL ACCOMPANY WIDESPREAD
VALLEY RAINFALL AND SIGNIFICANT MOUNTAIN SNOWFALL. IN THE
MOUNTAINS...THESE WINDS WILL RESULT IN BLOWING SNOW...WITH NEAR
WHITEOUT CONDITIONS POSSIBLE IN ELEVATIONS ABOVE 8000 FEET WITH
THE STRONGEST WINDS. BLOWING DUST IS UNLIKELY TO ACCOMPANY THESE
WINDS IN THE VALLEYS GIVEN THE CHANCES FOR MODERATE RAINFALL...
LOCALIZED DRY SOILS MAY BE STILL BE PRESENT TONIGHT THAT WILL
ALLOW FOR LOCALIZED AREAS OF BLOWING DUST REDUCING VISIBILITIES
BELOW A HALF MILE AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GREATER
ARE EXPECTED...ALONG WITH HIGHER GUSTS. THIS COULD MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.
$$

WINTER STORM WARNING
Issue Date: 104 PM MST SUN DEC 06 2009
Expiration: 1200 PM MST TUE DEC 08 2009

...WINTER STORM WARNING IN EFFECT FROM 5 PM MONDAY TO NOON MST
TUESDAY ABOVE 6000 FEET...
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 PM MONDAY TO
NOON MST TUESDAY. THIS WARNING UPGRADES THE WINTER STORM WATCH
WHICH IS NO LONGER IN EFFECT.
* TIMING...VALLEY RAIN AND MOUNTAIN SNOW WILL DEVELOP MONDAY WITH
WIDESPREAD VALLEY RAIN AND SIGNIFICANT MOUNTAIN SNOW EXPECTED
MONDAY NIGHT AND TUESDAY.
* SNOW ACCUMULATIONS...FOR LOCATIONS ABOVE 7000 FEET...12 TO 18
INCHES OF SNOW IS POSSIBLE. BETWEEN 6000 AND 7000 FEET...6 TO 12
INCHES OF SNOW IS EXPECTED.
* SNOW LEVELS...SNOW LEVELS WILL INITIALLY BE AROUND 7000 FEET
MONDAY AFTERNOON...THEN FALL TO 5000 FEET TUESDAY MORNING.
* WINDS...BREEZY TO WINDY WITH SOUTH TO SOUTHWEST WINDS OF 15 TO
30 MPH AND GUSTS TO 45 MPH ESPECIALLY ACROSS THE HIGHER
TERRAIN.
* IMPACTS...SIGNIFICANT SNOWFALL IS EXPECTED ABOVE 6000 FEET. THE
STRONG AND GUSTY SOUTH TO SOUTHWEST WINDS WILL RESULT IN AREAS
OF BLOWING SNOW...REDUCING VISIBILITIES BELOW A QUARTER MILE AT
TIMES. TRAVEL CONDITIONS WILL BE EXTREMELY HAZARDOUS. SOME ROADS
MAY BECOME IMPASSABLE...ESPECIALLY DUE TO DRIFTING OF SNOW AND
SIGNIFICANT ACCUMULATION BY TUESDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS HEAVY SNOW ACCUMULATIONS ARE EXPECTED.
GUSTY WINDS AND BLOWING SNOW IS 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 DEVELOPING WINTER STORM. ADDITIONAL WEATHER INFORMATION
IS ON THE INTERNET AT WWW.WEATHER.GOV/TUCSON
$$

WINTER STORM WATCH
Issue Date: 240 AM MST SAT DEC 05 2009
Expiration: 500 PM MST TUE DEC 08 2009

...STRONG WINTER STORM TO AFFECT SOUTHEAST ARIZONA MONDAY NIGHT
AND TUESDAY...
.A STRONG WINTER STORM SYSTEM PUSHING SOUTH OUT OF CANADA WILL
MOVE SOUTH ALONG THE WEST COAST THIS WEEKEND...THEN TRACK THROUGH
THE GREAT BASIN MONDAY WILL RESULT IN WIDESPREAD VALLEY RAIN AND
MOUNTAIN SNOW ACROSS ALL OF SOUTHEAST ARIZONA.
AZZ019-030-033>035-052200-
/O.NEW.KTWC.WS.A.0004.091208T0000Z-091209T0000Z/
NORTHERN GREENLEE COUNTY-UPPER GILA RIVER VALLEY-
TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY-COCHISE COUNTY-
240 AM MST SAT DEC 5 2009
...WINTER STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY AFTERNOON ABOVE 6000 FEET...
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY
AFTERNOON ABOVE 6000 FEET.
* TIMING...A STRONG WINTER STORM SYSTEM PUSHING SOUTH OUT OF
CANADA WILL MOVE SOUTH ALONG THE WEST COAST THIS WEEKEND...THEN
TRACK THROUGH THE GREAT BASIN MONDAY. THIS SYSTEM WILL RESULT
IN WIDESPREAD VALLEY RAIN AND MOUNTAIN SNOW ACROSS ALL OF
SOUTHEAST ARIZONA MONDAY NIGHT AND TUESDAY.
* SNOW ACCUMULATIONS...TOTAL STORM SNOWFALL AMOUNTS BETWEEN 6 AND
12 INCHES ARE EXPECTED BETWEEN 6000 FEET AND 7000 FEET...AND 12
TO 18 INCHES ABOVE 7000 FEET.
* SNOW LEVELS...SNOW LEVELS WILL INITIALLY START OUT AT 7000 FEET
MONDAY AFTERNOON...THEN FALL TO 4500 TO 5000 FEET TUESDAY MORNING.
* WINDS...WINDY SOUTHWEST TO WEST WIND OF 20 TO 30 MPH WITH GUSTS
TO 40 MPH WILL BE POSSIBLE IN THE HIGHER ELEVATIONS WITH THE
PASSAGE OF THIS SYSTEM.
* IMPACTS...SIGNIFICANT SNOWFALL IS EXPECTED ABOVE 6000 FEET WITH
THIS SYSTEM. THE STRONG AND GUSTY SOUTHWEST TO WEST WINDS WILL
RESULT IN AREAS OF BLOWING SNOW...REDUCING VISIBILITIES BELOW A
QUARTER MILE AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY SERIOUSLY IMPACT TRAVEL. GUSTY WINDS
AND BLOWING SNOW IS ALSO POSSIBLE. THOSE PLANNING TRAVEL INTO THE
WATCH AREA SHOULD PREPARE FOR DIFFICULT WINTER DRIVING
CONDITIONS.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO
STATIONS...OR YOUR CABLE TELEVISION SERVICE PROVIDER FOR UPDATES
ON THIS DEVELOPING WINTER STORM.
$$