Large Storm for SouthWest USA | 20” in SoCal Mts | 30” in Utah | 2’+ in Colorado | 14” in NM

SnowBrains | | WeatherWeather
Southwest USA radar showing storm hitting at 10:45am PST.
Southwest USA radar showing storm hitting at 10:45am PST.

A large winter storm is already ripping through the Southwestern USA today and it will continue into Sunday.  This storm is forecasted drop big snow in through Southern California, Arizona, New Mexico, Utah, & Colorado before it’s over.

Winter Storm Warnings are currently in effect for the mountains of Southern California, Arizona, Utah, New Mexico, and Colorado.

Probability for snowfall over 1”
Probability for snowfall over 1” from midnight Nov. 22nd until midnight Nov. 23rd.  Southwest USA looking good.

Snowfall Total Forecasted Through Sunday:

– Southern California Mountains = 10-20″

– Southern Utah = 20-30″

– Southern Colorado = 10-24″

– New Mexico = 7-14″

Southern California Mountains storm update
Southern California Mountains storm update

NOAA SoCal:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
902 AM PST FRI NOV 22 2013

...PERIODS OF MODERATE TO LOCALLY HEAVY SNOW ABOVE 5000 FEET
THROUGH SATURDAY MORNING...

.A LARGE SLOW MOVING LOW PRESSURE SYSTEM WILL BRING PERIODS OF
SHOWERS AND ISOLATED THUNDERSTORMS WITH LOCALLY HEAVY SNOWFALL
THROUGH AT LEAST SATURDAY MORNING. THE SAN DIEGO COUNTY MOUNTAINS
ABOVE 5000 FEET WILL LIKELY SEE SEVERAL INCHES OF SNOW AS
WELL...AND SO A WINTER WEATHER ADVISORY HAS BEEN ISSUED FOR THAT
ZONE.

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 5000 FEET...

* ELEVATION...ABOVE 5000 FEET.

* SNOW LEVELS...5000 TO 5500 FEET...LOWERING TO 4500 TO 5000
  FEET FOR TONIGHT THROUGH SATURDAY MORNING.

* ADDITIONAL SNOW ACCUMULATIONS...8 TO 12 INCHES...LOCAL
  ACCUMULATIONS OF 12 TO 20 INCHES...MAINLY ABOVE 7000 FEET.

* LOCATIONS INCLUDE: IDYLLWILD...PINE COVE...ANGELUS OAKS...
  BALDWIN LAKE...BARTON FLATS...BIG BEAR CITY... BIG BEAR
  LAKE... FAWNSKIN...FOREST FALLS...LAKE ARROWHEAD... MOUNT
  BALDY... RUNNING SPRINGS...TWIN PEAKS...WRIGHTWOOD.

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO
  40 MPH...GRADUALLY DECREASING FOR LATE TONIGHT THROUGH
  SATURDAY MORNING.
Utah storm update.
Utah storm update.

NOAA UTAH:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1107 AM MST FRI NOV 22 2013

SAN RAFAEL SWELL-SOUTHERN MOUNTAINS-
INCLUDING THE CITIES OF...GREEN RIVER...HANKSVILLE...LOA...
PANGUITCH...BRYCE CANYON

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM MST SUNDAY...

* AFFECTED AREA: THE SAN RAFAEL SWELL AND THE SOUTHERN UTAH
  MOUNTAINS.

* SNOW ACCUMULATIONS: GENERALLY 6 TO 12 INCHES VALLEYS AND
  MOUNTAIN VALLEYS...WITH 20 TO 30 INCHES ALONG SOUTHEAST
  FACING MOUNTAINS.

* TIMING: SNOW WILL CONTINUE TO OVERSPREAD SOUTHERN AND
  SOUTHEAST UTAH TODAY. SNOW...HEAVY AT TIMES...WILL CONTINUE
  THROUGH SATURDAY. THE COMBINATION OF RISING SNOW LEVELS AND
  THE STORM TAPERING OFF WILL END IMPACTS LATE SATURDAY OR
  SATURDAY NIGHT.
Colorado storm update.
Colorado storm update.

NOAA COLORADO:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1054 AM MST FRI NOV 22 2013

.AN UPPER LOW ALONG THE WEST COAST WILL SETTLE IN THE VICINITY OF
SOUTHERN CALIFORNIA WHERE IT IS EXPECTED TO REMAIN FOR THE NEXT
FEW DAYS. THIS WILL KEEP VERY MOIST AIR IN SOUTHERLY FLOW MOVING
ACROSS SOUTHEAST UTAH AND SOUTHWEST COLORADO FOR PERIODS OF
MOUNTAIN SNOW AND RAIN OR SNOW IN THE VALLEYS.

NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
LA SAL AND ABAJO MOUNTAINS-
INCLUDING THE CITIES OF...OURAY...TELLURIDE...LAKE CITY...
SILVERTON...RICO...HESPERUS...MONTICELLO AND VICINITY

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST
SATURDAY...

* TIMING...SNOW WILL CONTINUE THROUGH SATURDAY EVENING AND
  POSSIBLY BEYOND...ALTHOUGH THERE WILL BE LULLS WHEN SNOW WILL
  STOP OR BECOME VERY LIGHT.

* SNOW ACCUMULATION...10 TO 20 INCHES WITH LOCALLY HIGHER
  AMOUNTS EXPECTED. BY LATE SATURDAY...2 FEET OF SNOW OR MORE IS
  LIKELY IN SOME AREAS.

* SNOW LEVEL...9000 FEET DROPPING TO VALLEY FLOORS FRIDAY
  MORNING.

* WINDS...SOUTHWEST 5 TO 10 MPH.
New Mexico storm update
New Mexico storm update

NOAA NEW MEXICO:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
615 AM MST FRI NOV 22 2013

...MAJOR WINTRY STORM TO CONTINUE THROUGH THE WEEKEND...

.ARCTIC AIR WILL OVERSPREAD ALL OF NORTH AND CENTRAL NEW MEXICO
TODAY...WHILE BRISK WINDS AND AREAS OF SNOW...RAIN AND SOME MIXED
WINTRY PRECIPITATION WILL CONTINUE INTO TONIGHT THEN REALLY RAMP
UP FOR THE WEEKEND. A POTENT UPPER LEVEL LOW PRESSURE SYSTEM NEAR
THE SOUTHERN CALIFORNIA COAST WILL PROVIDE A RIVER OF ABUNDANT
MOISTURE OVER NEW MEXICO. THE FIRST STRONG SURGE OF MOISTURE WILL
WORK ACROSS NORTH AND WEST NEW MEXICO THEN PERHAPS AN EVEN
STRONGER SURGE OVER THE WEEKEND WILL DUMP EVEN MORE SNOW ACROSS
THE AREA AS THE MAIN CORE OF THE UPPER LEVEL STORM SYSTEM MIGRATES
EASTWARD INTO AND ACROSS THE REGION.

SAN JUAN MOUNTAINS-JEMEZ MOUNTAINS-
WEST SLOPES SANGRE DE CRISTO MOUNTAINS-
NORTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 9500 FEET/RED RIVER-
SOUTHERN SANGRE DE CRISTO MOUNTAINS ABOVE 9500 FEET-
EAST SLOPES SANGRE DE CRISTO MOUNTAINS-UPPER RIO GRANDE VALLEY-
RATON RIDGE/JOHNSON MESA-

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST MONDAY...

* SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 7 INCHES ABOVE 8000
  FEET...WITH LOCALLY HIGHER AMOUNTS ON THE HIGHEST PEAKS...CAN BE
  EXPECTED. SNOW WILL MIX WITH RAIN AT TIMES BELOW 7500 FEET AND
  LIMIT ACCUMULATIONS. 1 TO 2 INCHES FOR THE UPPER RIO GRANDE
  VALLEY AND AREAS BELOW CANYONS SUCH AS TAOS MAY EXPERIENCE EVEN
  LOWER AMOUNTS. FOR THE SECOND ROUND OF SNOW FROM LATE TONIGHT
  THROUGH SUNDAY...AN ADDITIONAL 7 TO 14 INCHES...WITH LOCALLY
  HIGHER AMOUNTS...ARE POSSIBLE.

* TIMING...RAIN AND SNOW WILL DECREASE IN COVERAGE AND INTENSITY
  LATER THIS MORNING INTO THIS EVENING. HOWEVER...SNOW WILL
  RETURN SATURDAY AFTERNOON AND CONTINUE THROUGH EARLY MONDAY
  MORNING.

* WINDS...NO WIDESPREAD SIGNIFICANT WINDS ARE EXPECTED. AREAS
  BELOW CANYONS IN THE RIO GRANDE VALLEY WILL EXPERIENCE A PERIOD
  OF GUSTY GAP WINDS UP TO 50 MPH THROUGH THIS MORNING BEFORE
  DIMINISHING SOMEWHAT THIS AFTERNOON...THEN PICKING UP AGAIN THIS
  EVENING.

* SNOW LEVELS...LOWERING TO 6500 FEET BEFORE RISING BACK TO
  BETWEEN 7000 AND 8000 FEET THIS AFTERNOON. TEMPERATURES WILL BE
  COLD ENOUGH FOR SNOW AT ALL LEVELS BY LATE TONIGHT OR SATURDAY.

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