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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
National Weather Service San Diego CA
503 AM PST Fri Nov 21 2025

CAZ055-056-220000-
/O.CON.KSGX.WS.W.0004.000000T0000Z-251122T0000Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Big Bear City and Big Bear Lake
503 AM PST Fri Nov 21 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 6500 FT...

* WHAT...Heavy wet snow above 6500 ft. Additional snow accumulations
  up to 3 inches. Winds gusting as high as 35 mph.

* WHERE...Riverside County Mountains and San Bernardino County
  Mountains.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Friday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

Persons should consider delaying all travel. Motorists should use
extreme caution if travel is absolutely necessary.

&&

$$

SS


Flood Advisory


Flood Advisory
National Weather Service Phoenix AZ
948 AM MST Fri Nov 21 2025

AZC027-CAC025-212000-
/O.NEW.KPSR.FA.Y.0121.251121T1648Z-251121T2000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Yuma AZ-Imperial CA-
948 AM MST Fri Nov 21 2025 /848 AM PST Fri Nov 21 2025/

...FLOOD ADVISORY IN EFFECT UNTIL 1 PM MST /NOON PST/ THIS
AFTERNOON...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Portions of southwest Arizona, including the following
  county, Yuma and southeast California, including the following
  county, Imperial.

* WHEN...Until 100 PM MST /noon PST/.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Some low-water crossings may become impassable.

* ADDITIONAL DETAILS...
  - At 948 AM MST /848 AM PST/, Doppler radar indicated heavy
    rain due to thunderstorms. Minor flooding is ongoing or
    expected to begin shortly in the advisory area. Up to 0.75
    inches of rain have fallen.
  - Some locations that will experience flooding include...
    Yuma, Somerton, Gadsden, Fortuna Foothills, San Luis,
    Andrade, Winterhaven, Araby, Algodones Dunes, Blaisdell and
    Gordon`s Well.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3280 11444 3270 11438 3257 11437 3239 11446
      3250 11481 3256 11479 3256 11481 3259 11480
      3262 11481 3264 11476 3272 11472 3270 11504
      3292 11504 3302 11489


$$

INS


Flood Watch


Flood Watch
National Weather Service Phoenix AZ
140 AM MST Fri Nov 21 2025

AZZ530>533-535-536-CAZ560>570-212200-
/O.CON.KPSR.FA.A.0009.000000T0000Z-251122T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Joshua Tree NP West-Joshua Tree NP East-Imperial
County Southwest-Salton Sea-Chuckwalla Mountains-Imperial County
Southeast-Imperial County West-Imperial Valley-Chiriaco Summit-
Palo Verde Valley-Chuckwalla Valley-
Including the cities of Martinez Lake, Ehrenberg, Yuma, Palo
Verde, Vicksburg, Calexico, Parker, El Centro, Desert Shores,
Palm Canyon, Cottonwood Visitor, Ocotillo, Ligurta, Plaster City,
Salome, Winona, Mountain Spring, Coolidge Springs, Brenda,
Winterhaven, Fortuna Foothills, Alamorio, Ripley, Imperial Hot
Mineral Springs, Coyote Wells, Quartzsite, Lost Horse-Keys
Village, Chiriaco Summit, Salton City, Brawley, Vicksburg
Junction, Blythe, Harcuvar, and Midland
140 AM MST Fri Nov 21 2025 /1240 AM PST Fri Nov 21 2025/

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

* WHAT...Flooding caused by excessive rainfall continues to be
  possible.

* WHERE...Portions of southwest Arizona, including the following
  areas, Central La Paz, Gila River Valley, Kofa, Parker Valley,
  Southeast Yuma County and Yuma and California, including the
  following areas, Chiriaco Summit, Chuckwalla Mountains, Chuckwalla
  Valley, Imperial County Southeast, Imperial County Southwest,
  Imperial County West, Imperial Valley, Joshua Tree NP East, Joshua
  Tree NP West, Palo Verde Valley and Salton Sea.

* WHEN...Through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
  Low-water crossings may be flooded.

* ADDITIONAL DETAILS...
  - A weather system moving through the region is expected to
    bring heavy rainfall to SE CA and SW AZ today with rainfall
    totals in excess of one inch in some areas.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

KB

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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