Alert archive / California / High Wind Warnings in 2023

High Wind Warning 7, NWS San Diego, CA

February 27, 2023Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind warning at Feb 27, 2023, 1:24 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Feb 28, 2023, 2:00 PM PST. It was in force for 32 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 27, 2023, 1:24 PM PST (21:24 UTC)
In effect from
Feb 28, 2023, 2:00 PM PST
Expired
Mar 1, 2023, 10:00 PM PST
In force
32 hr
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 21:25 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.

What was reported inside it

TimeReportWhereRemark
Feb 28, 11:45 PM PSTSNOW 12 E Lytle Creek, CAMODERATE SNOW TOP OF CAJON PASS AND STICKING. ALSO SNOW AND ACCUMULATION BETWEEN LANES IN DEVORE.
Mar 1, 12:30 AM PSTSNOW 61 E Crestline, CAVEHICLE STUCK IN SNOW AT STRAIGHT WAY RD / HEATHERLEY LANE. ONLY LOCAL RESIDENTS ALLOWED IN MOUNTAINS.
Mar 1, 1:00 AM PSTSNOW 28Lytle Creek, CALYTLE CREEK 1 INCH NEW SNOW AND 27 INCHES SINCE FEBRUARY 22. ELEVATION 3400 FEET.
Mar 1, 1:30 AM PSTNON-TSTM WND DMG1 Nnw Solana Beach, CALARGE TREE LANDED ON AND DAMAGED PARKED SUV ON SIERRA AVE. REPORTED BY NBC7 OCCURRING AT 130 AM. SDGE SITE HAD PEAK GUST FROM SOUTHWEST OF 31 MPH AT THAT TIME. WIND GUST 40 MPH AT 940 AM. CREWS USED CHAIN SAWS IN THE MORNING TO REMOVE.
Mar 1, 5:30 AM PSTFLOOD4 Se Rancho Cucamonga, CA#3 AND #5 LANES ON I-10 E AT CHERRY AVE IS FLOODED.
Mar 1, 6:00 AM PSTSNOW 66 S Banning, CAWATER CONTENT 1 INCH. ELEVATION 3400 FEET.
Mar 1, 6:00 AM PSTAVALANCHE4 Ne Mt Baldy, CA29 INCHES ADDITIONAL SNOW FELL ON MT BALDY, ON TOP OF 77 INCHES THE PRIOR WEEK. ELEVATION OF SNOWFALL MEASURED WAS AT 6400 FEET ON BALDY ROAD. PHOTOS WERE SHARED AND VIDEO OF THE AVALANCHE LOCATION. AVALANCHE WAS SHOWN TO GO PARTIALLY ON THE ROAD AND AS MUCH A
Mar 1, 6:12 AM PSTFLOOD7 E Hemet, CASR-74 AT BLACKBURN ROAD IS CLOSED AS THE ROAD IS COMPLETELY COVERED WITH ABOUT 1 FT OF MUD. CREWS ARE WORKING TO CLEAR THE CULVERT AND MUD.
Mar 1, 6:26 AM PSTNON-TSTM WND DMG1 Nne Rainbow, CALARGE TREE ACROSS LANES. OLD HWY 395 / RAINBOW VALLEY BLVD. WIND GUSTS 41 MPH AT RAINBOW.
Mar 1, 6:30 AM PSTNON-TSTM WND DMGPoway, CALARGE PINE TREE FELL ON HOME AND DAMAGED SECOND FLOOR. DURING HEAVY RAIN. SDGE IRON MOUNTAIN TRAIL WEATHER STATION HAD GUST 39 MPH AT 630 AM.
Mar 1, 6:35 AM PSTFLOOD4 N San Bernardino, CAFLOODED AREA AT I-210 AND 5TH STREET. 1.10 INCHES OF RAIN PAST 8 HOURS.
Mar 1, 6:51 AM PSTHEAVY RAIN 0.26 Nne San Diego, CA0.20 IN 5 MINUTES.
Mar 1, 7:00 AM PSTTSTM WND DMG6 Wnw Pine Valley, CAPHOTO OF LARGE TREE LANDING ON DESCANSO ELEMENTARY SCHOOL BUILDING SHARED BY SAN DIEGO OFFICE OF EDUCATION. WEST WINDS GUSTED TO 44 MPH ON RAWS AT 5 AM AND 11 AM. MEDIA REPORT ON ABC10 SAN DIEGO. SCHOOL WAS CLOSED AT THE TIME, NO INJURIES.
Mar 1, 7:00 AM PSTSNOW 211 Nw Devore, CADEVORE AT 2500 FEET. 1 INCH NEW AND 20 INCHES PRIOR BACK TO FEBRUARY 22.
Mar 1, 7:00 AM PSTHEAVY SNOW 283 E Big Bear Lake, CA28 INCHES PAST 24 HOURS AND 31 INCHES PAST 48 HOURS. BEAR MOUNTAIN SNOW SUMMIT. HIGHWAYS REMAIN CLOSED.
Mar 1, 7:00 AM PSTHEAVY SNOW 304 E Running Springs, CASNOW VALLEY UP TO 120 INCHES PAST 7 DAYS. HIGHWAYS ARE CLOSED. AT LEAST 2 FEET OVERNIGHT.
Mar 1, 7:00 AM PSTSNOW 333 Ssw Forest Falls, CAOAK GLEN WITH 7 NEW INCHES PAST 2 DAYS AND 26 INCHES PRIOR BACK TO FEBRUARY 22. 4900 FEET.
Mar 1, 7:00 AM PSTSNOW 411 Nnw Mt Baldy, CA14 NEW PAST 18 HOURS AND 41 INCHES SINCE WEDNESDAY AT 4200 FEET.
Mar 1, 7:00 AM PSTSNOW 456 Nw Forest Falls, CA12 INCHES PAST 2 DAYS AND 33 INCHES PRIOR SINCE FEBRUARY 22. ELEVATION 5800 FEET IN ANGELUS OAKS.
Mar 1, 7:00 AM PSTSNOW 503 Wsw Big Bear City, CA10 INCHES PAST 2 DAYS AND 40 INCHES PRIOR SINCE FEBRUARY 22. PUBLIC WORKS AT BIG BEAR YARD. STILL ADDITIONAL SNOWFALL.
Mar 1, 7:00 AM PSTSNOW 521 Ene Forest Falls, CA16 INCHES PAST 2 DAYS AND 36 INCHES PRIOR BACK TO FEBRUARY 22. 5900 FEET.
Mar 1, 7:00 AM PSTSNOW 822 E Running Springs, CAARROWBEAR WITH 17 INCHES PAST 2 DAYS AND 65 INCHES PRIOR BACK TO FEBRUARY 22. 6200 FEET.
Mar 1, 7:21 AM PSTFLOOD2 N Lakeside, CAREPORT OF ROCKS IN THE ROAD ON THE NORTHBOUND LANES OF WILDCAT CANYON ROAD AT MUTH VALLEY ROAD.
Mar 1, 7:48 AM PSTFLOOD8 Wsw Lake Elsinore, CAMUD SLIDE BLOCKING THE ENTIRE #1 LANE.
Mar 1, 8:00 AM PSTSNOW 62Wrightwood, CA21 INCHES PAST 2 DAYS AND 41 INCHES PRIOR SINCE FEBRUARY 22. PUBLIC WORKS AT 6000 FEET.
Mar 1, 8:00 AM PSTSNOW 903 Ne Running Springs, CA20 INCHES PAST 2 DAYS AND 70 INCHES PRIOR SINCE FEBRUARY 22. PUBLIC WORKS AT GREEN VALLEY LAKE.
Mar 1, 8:00 AM PSTSNOW 911 Se Crestline, CA28 INCHES PAST 2 DAYS AND 63 INCHES PRIOR SINCE FEBRUARY 22. PUBLIC WORKS.
Mar 1, 8:00 AM PSTSNOW 1063 Nne Mt Baldy, CA29 PAST 2 DAYS AND 77 PRIOR SINCE WEDNESDAY FEBRUARY 22. PUBLIC WORKS AT END OF BALDY ROAD AT 6400 FEET.
Mar 1, 8:03 AM PSTFLOOD5 S Redlands, CAMUD, SMALL BOULDERS AND ROCKS ARE COMING OFF THE SIDE OF THE HILL AND INTO THE ROAD.
Mar 1, 9:00 AM PSTSNOW 01 E Mountain Pass, CANEVADA DOT REPORTED THAT INTERSTATE 15 WAS CLOSED FROM PRIMM TO BAKER DUE TO SNOW ON MOUNTAIN PASS.
Mar 1, 9:30 AM PSTSNOW 14 Ssw Julian, CASNOW PELLETS LANDS ON OUR PORCH AND MUST HAVE BEEN AT MORE OF A VERTICAL ANGLE BECAUSE IT HIT THE WINDOW AND DOOR. WIND IS AWFUL STRONG AND WHIPPING TREES.
Mar 1, 9:45 AM PSTSNOW 505 Se Mt San Jacinto, CA18 INCHES TOTAL PAST 24 HOURS. 50 INCHES SINCE FEBRUARY 22, PAST WEEK. ELEVATION IS 8400 FEET AT TOP OF THE PALM SPRINGS TRAM ON MT SAN JACINTO AT LONG VALLEY RANGER STATION.
Mar 1, 10:00 AM PSTSNOW 1204 E Running Springs, CASNOW VALLEY RESORT TOTAL SINCE LAST WEDNESDAY FEBRUARY 22. 7000 TO 7500 FEET.
Mar 1, 10:33 AM PSTSNOW 101 Nnw Wrightwood, CANEW SNOW AND STILL SNOWING.
Mar 1, 11:00 AM PSTSNOW 1063 E Big Bear Lake, CASNOW SUMMIT BEAR MOUNTAIN AT 7200 FEET.
Mar 1, 11:26 AM PSTHEAVY RAIN 1.379 Wnw Lake Elsinore, CA
Mar 1, 11:30 AM PSTHAIL 0.255 Nne Rialto, CAI-215 HAD TRAFFIC BREAK BY CHP FOR HAIL ACCUMULATION. VEHICLES WERE SEEN SPINNING OUT. SHANDIN GOLF COURSE BY THE INTERSTATE WAS COVERED WITH HAIL. SIDE STREETS HAD SOME ACCUMULATION. PHOTOS TAKEN.
Mar 1, 11:43 AM PSTHAIL 0.259 Wnw Lake Elsinore, CA
Mar 1, 11:48 AM PSTSNOW 0.12 E Chino, CASNOW FLAKES AND/OR SOFT GRAUPEL FALLING FROM PASSING CELL AT CORNER OF EUCLID AND SCHAFER AVENUES IN CHINO. NOT STICKING TO THE GROUND. ABOUT 10 MINUTES DURATION.
Mar 1, 11:53 AM PSTHAIL 0.259 Wnw Lake Elsinore, CAHAIL HAS STOPPED. NO DAMAGE. GROUND WAS ALMOST COMPLETLY COVERED. MELTED QUICKLY. CLOUDS DISSIPATING. SUN SHINING.
Mar 1, 12:00 PM PSTHEAVY RAIN 1.653 Ese Yucaipa, CASTORM STARTING 2/28 ENDING 3/1 AT NOON.
Mar 1, 12:00 PM PSTSNOW 101 N Mt Laguna, CA10 NEW SINCE OVERNIGHT.
Mar 1, 12:00 PM PSTSNOW 541 N Palomar Mountain, CAPALOMAR MOUNTAIN AT BIRCH HILL, 18 INCHES PAST 2 DAYS AND 36 INCHES PRIOR BACK TO FEBRUARY 22. 5700 FEET.
Mar 1, 12:12 PM PSTHAIL 0.253 Nw Highland, CANO KNOWN DAMAGE. PEA SIZED AND OCCURRED FOR APPROXMATLY 15 MINUTES. PHOTOS SENT DIRECTLY.
Mar 1, 12:15 PM PSTHAIL 0.254 Nne Moreno Valley, CAHAIL APPROXIMATELY THE SIZE OF ROCK SALT FALLING WITH COLD GUSTY WIND.
Mar 1, 12:25 PM PSTHAIL 0.254 Ne Moreno Valley, CASTARTED HAILING ABOUT 10 MINUTES AGO; STILL GOING, BUT HAS LIGHTENED. TEMP DROPPED ABT 10 DEG, @39F NOW. JUST HEARD THUMDER TOO.
Mar 1, 12:39 PM PSTSNOW 181 Ese Palomar Mountain, CABIRCH HILL, 5 MORE INCHES SINCE LAST REPORT. TOTAL 18 SINCE LAST NIGHT. ICE 5 INCHES THICK ON TREES WITH NUMEROUS LARGE BRANCHES FALLING.
Mar 1, 12:43 PM PSTHAIL 0.253 E Hemet, CABRIEF DOWBURST OF WIND G23 MPH, RAIN, AND HAIL.
Mar 1, 1:46 PM PSTNON-TSTM WND GST 472 Nw Coronado, CACORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM 2 NW CORONADO. SAN DIEGO NORTH ISLAND NAVAL AIR STATION.
Mar 1, 1:46 PM PSTNON-TSTM WND GST 472 Nw Coronado, CASAN DIEGO NORTH ISLAND NAVAL AIR STATION.
Mar 1, 1:54 PM PSTSNOW 121 Ene Idyllwild, CAIDYLLWILD SNOW TOTAL FROM TUESDAY EVENING THROUGH 2 PM WEDNESDAY.
Mar 1, 1:58 PM PSTSNOW 0.13 Nnw Corona, CALIGHT SNOWFALL IN CORONA. PHOTOS SENT DIRECTLY TO NWS SAN DIEGO BY EMAIL.
Mar 1, 2:03 PM PSTSNOW 04 Nne Moreno Valley, CALIGHT SNOWFALL WITH NO ACCUMULATION.
Mar 1, 2:16 PM PSTNON-TSTM WND GST 359 Wnw Lake Elsinore, CACURRENTLY HIGH WINDS BLOWING SNOW/HAIL/RAIN HORIZONTALLY. NO THUNDER.
Mar 1, 2:20 PM PSTSNOW 0.14 Ese Riverside, CASNOWFLAKES AND GRAUPEL. ONE LIGHTNING STROKE AND LOUD THUNDER (2 SECONDS) AT 12:10 PM. ANOTHER MIXED SNOW AND RAIN SHOWER AT 1:25.
Mar 1, 2:22 PM PSTSNOW 0.32 Nw Beaumont, CAMAJOR GRAUPEL (SNOW PELLETS) HITTING MY LOCATION. 12-15 MPH GUSTS WITH GRAUPEL FLYING SIDEWAYS.
Mar 1, 2:25 PM PSTSNOW 0.12 Sse Moreno Valley, CASNOW REPORTED AND 35° AT RIVERSIDE-MARCH.
Mar 1, 2:29 PM PSTSNOW 12 Nw Beaumont, CATRANSITIONED FROM GRAUPEL (PEA SIZE) TO SNOWFLAKES. NEAR WHITE-OUT CONDITIONS.
Mar 1, 2:30 PM PSTNON-TSTM WND GST 54Lake Elsinore, CAMESONET STATION 394SE LAKE ELSINORE (394SCE).
Mar 1, 2:31 PM PSTSNOW 11 E Yucaipa, CABLIZZARD CONDITIONS IN YUCAIPA, JUST STARTED TO STICK ON THE GROUND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 9.4 hours before the alert went out and 145 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, San Diego, CA at 12:00Z on 2023-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, San Diego, CA at 12:00Z on 2023-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 square meters per square second.1939587897Sfc1 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
1097 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

594 
WWUS76 KSGX 272124
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
124 PM PST Mon Feb 27 2023

CAZ060-280600-
/O.NEW.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley, 
and Lucerne Valley
124 PM PST Mon Feb 27 2023

...HIGH WIND WARNING IN EFFECT FROM 2 PM TUESDAY TO 10 PM PST
WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 60 mph expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 2 PM Tuesday to 10 PM PST Wednesday. Strongest winds
  will be Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ062-065-280600-
/O.NEW.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
124 PM PST Mon Feb 27 2023

...HIGH WIND WARNING IN EFFECT FROM 2 PM TUESDAY TO 10 PM PST
WEDNESDAY...

* WHAT...West winds 30 to 50 mph with gusts to 70 mph expected.
  Local gusts to 80 mph possible on desert slopes and near 
  Gorgonio Pass.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...From 2 PM Tuesday to 10 PM PST Wednesday. Strongest winds
  will be Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-280600-
/O.NEW.KSGX.HW.W.0007.230301T1400Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
124 PM PST Mon Feb 27 2023

...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 10 PM PST WEDNESDAY...

* WHAT...West winds 25 to 45 mph with gusts to 65 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

Maxwell
7 follow-up statements
094 
WWUS76 KSGX 280510
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
910 PM PST Mon Feb 27 2023

CAZ060-281330-
/O.CON.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley, 
and Lucerne Valley
910 PM PST Mon Feb 27 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM TUESDAY TO 10 PM
PST WEDNESDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts to 60 mph,
  becoming west on Wednesday.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 2 PM Tuesday to 10 PM PST Wednesday. Strongest 
  winds will be Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Patchy blowing dust and sand could reduce
  visibility at times, while gusty cross winds create a hazard for
  motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ062-065-281330-
/O.CON.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
910 PM PST Mon Feb 27 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM TUESDAY TO 10 PM
PST WEDNESDAY...

* WHAT...West winds 30 to 50 mph with gusts to 70 mph expected. 
  Local gusts to 80 mph possible on desert slopes and near 
  the San Gorgonio Pass.

* WHERE...San Diego County Deserts and the San Gorgonio Pass.

* WHEN...From 2 PM Tuesday to 10 PM PST Wednesday. Strongest 
  winds will be Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Patchy blowing dust and sand could reduce
  visibility at times, while gusty cross winds create a hazard for
  motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-281330-
/O.CON.KSGX.HW.W.0007.230301T1400Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
910 PM PST Mon Feb 27 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM PST
WEDNESDAY...

* WHAT...West winds 25 to 45 mph with gusts to 65 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL Patchy blowing dust and sand could reduce
  visibility at times, while gusty cross winds create a hazard for
  motorists.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$
012 
WWUS76 KSGX 281103
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
303 AM PST Tue Feb 28 2023

CAZ060-282300-
/O.CON.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley, 
and Lucerne Valley
303 AM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 10 PM PST WEDNESDAY...

* WHAT...West winds 30 to 40 mph with gusts to 60 mph expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 2 PM this afternoon to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds are
  expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ062-065-282300-
/O.CON.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
303 AM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 10 PM PST WEDNESDAY...

* WHAT...West winds 35 to 45 mph with gusts to 75 mph expected.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...From 2 PM this afternoon to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds are
  expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-282300-
/O.CON.KSGX.HW.W.0007.230301T1400Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
303 AM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM PST
WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 60 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds are
  expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-048-050-552-554-282300-
/O.NEW.KSGX.WI.Y.0018.230301T0800Z-230302T0200Z/
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas, 
Chula Vista, National City, San Diego, Riverside, San Bernardino,
Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, 
Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, 
Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, 
San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, 
Fullerton, and Mission Viejo
303 AM PST Tue Feb 28 2023

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PST
WEDNESDAY...

* WHAT...West winds 20 to 30 mph with gusts to 50 mph expected.

* WHERE...San Diego County Coastal Areas, San Bernardino and 
  Riverside County Valleys-The Inland Empire, San Diego County 
  Valleys, Orange County Coastal Areas and Orange County Inland 
  Areas.

* WHEN...From midnight tonight to 6 PM PST Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down.

* ADDITIONAL DETAILS...The strongest and most widespread winds are
  expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

17
454 
WWUS76 KSGX 282134
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
134 PM PST Tue Feb 28 2023

CAZ060-282245-
/O.CAN.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley, 
and Lucerne Valley
134 PM PST Tue Feb 28 2023

...HIGH WIND WARNING IS CANCELLED...

The high wind warning has been replaced by a winter weather
advisory which covers the combination of snow and strong wind
gusts to 60 MPH.

$$

CAZ062-065-010600-
/O.CON.KSGX.HW.W.0007.230228T2200Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
134 PM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST
WEDNESDAY...

* WHAT...West winds 35 to 45 mph with gusts to 75 mph expected.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...From 2 PM this afternoon to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds 
  are expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-010600-
/O.CON.KSGX.HW.W.0007.230301T1400Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
134 PM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM PST
WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 60 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds 
  are expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-048-050-552-554-010600-
/O.CON.KSGX.WI.Y.0018.230301T0800Z-230302T0200Z/
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas, 
Chula Vista, National City, San Diego, Riverside, San Bernardino,
Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, 
Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, 
Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, 
San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, 
Fullerton, and Mission Viejo
134 PM PST Tue Feb 28 2023

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
PST WEDNESDAY...

* WHAT...West winds 20 to 30 mph with gusts to 50 mph expected.

* WHERE...San Diego County Coastal Areas, San Bernardino and 
  Riverside County Valleys-The Inland Empire, San Diego County 
  Valleys, Orange County Coastal Areas and Orange County Inland 
  Areas.

* WHEN...From midnight tonight to 6 PM PST Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down.

* ADDITIONAL DETAILS...The strongest and most widespread winds 
  are expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
757 
WWUS76 KSGX 010602
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1002 PM PST Tue Feb 28 2023

CAZ062-065-011415-
/O.CON.KSGX.HW.W.0007.000000T0000Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
1002 PM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST
WEDNESDAY...

* WHAT...West winds 35 to 45 mph with gusts to 75 mph expected.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Through 10 PM Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds 
  are expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-011415-
/O.CON.KSGX.HW.W.0007.230301T1400Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
1002 PM PST Tue Feb 28 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 10 PM PST
WEDNESDAY...

* WHAT...West winds 25 to 35 mph with gusts to 60 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM to 10 PM PST Wednesday.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...The strongest and most widespread winds 
  are expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-048-050-552-554-011415-
/O.CON.KSGX.WI.Y.0018.230301T0800Z-230302T0200Z/
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas, 
Chula Vista, National City, San Diego, Riverside, San Bernardino,
Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, 
Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, 
Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, 
San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, 
Fullerton, and Mission Viejo
1002 PM PST Tue Feb 28 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST WEDNESDAY...

* WHAT...West winds 20 to 30 mph with gusts to 50 mph expected.

* WHERE...San Diego County Coastal Areas, San Bernardino and 
  Riverside County Valleys-The Inland Empire, San Diego County 
  Valleys, Orange County Coastal Areas and Orange County Inland 
  Areas.

* WHEN...From midnight tonight to 6 PM PST Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down.

* ADDITIONAL DETAILS...The strongest and most widespread winds 
  are expected during the day on Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Moede
376 
WWUS76 KSGX 011101
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
301 AM PST Wed Mar 1 2023

CAZ062-065-012345-
/O.CON.KSGX.HW.W.0007.000000T0000Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
301 AM PST Wed Mar 1 2023

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...West winds 35 to 45 mph with gusts to 70 mph.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-012345-
/O.CON.KSGX.HW.W.0007.230301T1400Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
301 AM PST Wed Mar 1 2023

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
10 PM PST THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts to 60 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM this morning to 10 PM PST this evening.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-048-050-552-554-012345-
/O.CON.KSGX.WI.Y.0018.000000T0000Z-230302T0200Z/
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas, 
Chula Vista, National City, San Diego, Riverside, San Bernardino,
Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, 
Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, 
Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, 
San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, 
Fullerton, and Mission Viejo
301 AM PST Wed Mar 1 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts to 50 mph.

* WHERE...San Diego County Coastal Areas, San Bernardino and 
  Riverside County Valleys-The Inland Empire, San Diego County 
  Valleys, Orange County Coastal Areas and Orange County Inland 
  Areas.

* WHEN...Until 6 PM PST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

17
288 
WWUS76 KSGX 012129
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
129 PM PST Wed Mar 1 2023

CAZ048-050-020600-
/O.NEW.KSGX.FZ.W.0004.230302T0800Z-230302T1600Z/
/O.CON.KSGX.WI.Y.0018.000000T0000Z-230302T0200Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
El Cajon, San Marcos, La Mesa, Santee, and Poway
129 PM PST Wed Mar 1 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST
THURSDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low
  as 29 expected. For the Wind Advisory, west winds 20 to 30 mph 
  with gusts to 45 mph.

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire and San Diego County Valleys.

* WHEN...For the Freeze Warning, from midnight tonight to 8 AM 
  PST Thursday. For the Wind Advisory, until 6 PM PST this 
  evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down. Frost and freeze conditions 
  will kill crops, other sensitive vegetation and possibly 
  damage unprotected outdoor plumbing.

* ADDITIONAL DETAILS...Low temperatures will be 29 to 35, which
  coldest locations in low-lying wind-sheltered locations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

CAZ062-065-020600-
/O.CON.KSGX.HW.W.0007.000000T0000Z-230302T0600Z/
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the city of Borrego Springs
129 PM PST Wed Mar 1 2023

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...West winds 35 to 45 mph with gusts to 70 mph.

* WHERE...San Diego County Deserts and San Gorgonio Pass Near 
  Banning.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ061-020600-
/O.CON.KSGX.HW.W.0007.000000T0000Z-230302T0600Z/
Coachella Valley-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, and Coachella
129 PM PST Wed Mar 1 2023

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...West winds 25 to 35 mph with gusts to 60 mph expected.

* WHERE...Coachella Valley.

* WHEN...From 6 AM this morning to 10 PM PST this evening.

* IMPACTS...Strong winds could damage trees and other objects. 
  Travel will be difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ043-552-554-020600-
/O.NEW.KSGX.FR.Y.0007.230302T0800Z-230302T1600Z/
/O.CON.KSGX.WI.Y.0018.000000T0000Z-230302T0200Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas, 
Chula Vista, National City, San Diego, Huntington Beach, 
Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana,
Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
129 PM PST Wed Mar 1 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PST
THURSDAY...

* WHAT...For the Wind Advisory, west winds 20 to 30 mph with gusts
  to 50 mph. For the Frost Advisory, temperatures as low as 34
  will result in frost formation.

* WHERE...San Diego County Coastal Areas, Orange County Coastal 
  Areas and Orange County Inland Areas.

* WHEN...For the Wind Advisory, until 6 PM PST this evening. For 
  the Frost Advisory, from midnight tonight to 8 AM PST Thursday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down. Frost could kill sensitive 
  outdoor vegetation if left uncovered.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Take steps now to protect tender plants from the cold.

&&

$$

Maxwell
076 
WWUS76 KSGX 020611
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1011 PM PST Wed Mar 1 2023

CAZ061-062-065-020715-
/O.EXP.KSGX.HW.W.0007.000000T0000Z-230302T0600Z/
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
and Borrego Springs
1011 PM PST Wed Mar 1 2023

...HIGH WIND WARNING HAS EXPIRED...

Winds have decreased. 

$$

CAZ048-050-021600-
/O.CON.KSGX.FZ.W.0004.230302T0800Z-230302T1600Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
El Cajon, San Marcos, La Mesa, Santee, and Poway
1011 PM PST Wed Mar 1 2023

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM PST THURSDAY...

* WHAT...Sub-freezing temperatures as low as 26 expected. 

* WHERE...San Bernardino and Riverside County Valleys-The Inland 
  Empire and San Diego County Valleys.

* WHEN...Midnight tonight to 8 AM Thursday. 

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly.

&&

$$

CAZ043-552-554-021600-
/O.CON.KSGX.FR.Y.0007.230302T0800Z-230302T1600Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Oceanside, Vista, Carlsbad, Encinitas, 
Chula Vista, National City, San Diego, Huntington Beach, 
Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana,
Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
1011 PM PST Wed Mar 1 2023

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THURSDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...San Diego County Coastal Areas, Orange County Coastal 
  Areas and Orange County Inland Areas.

* WHEN...Midnight tonight to 8 AM PST Thursday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if left
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Moede

What forecasters said that day

The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this high wind warning went out at Feb 27, 10:00 AM PST, 3 hours 24 minutes earlier.

Area forecast discussion, Feb 27, 10:00 AM PST, 3 hours 24 minutes before
Area Forecast Discussion
National Weather Service San Diego CA
1000 AM PST Mon Feb 27 2023

.SYNOPSIS...
Low pressure aloft will bring occasional rounds of rain and mountain
snow this afternoon through Tuesday, becoming heavier and more
widespread Tuesday night and Wednesday. Strong winds will occur at
times through Wednesday, especially in the mountains and deserts.
Fair weather will return Thursday and continue through the weekend,
with another chance of precipitation early next week.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

Clouds were increasing over the region again from northwest to
southeast with some light precipitation entering San Bernardino
County from the west. Temperatures are about 3-5 deg F higher than
24 hours ago, but it will still be a cold day with highs mostly in
the 50s west of the mountains. Latest HRRR/HREF runs show the band
of precip associated with a weak shortwave but increasing moisture
with saturation likely between about 950 and 750 MB by the
afternoon, at least north of San Diego County with timing of the
start of precip by 2 PM in northern OC, NW Inland Empire and most of
the San Bernardino County Mountains, 6 PM for northwest San Diego
County and the Riverside County Mountains and 9-11 PM for southern
San Diego County. Timing will be the key for the precipitation
through Tuesday as periods of mostly light precip occurs. Snowfall
will be variable due to the showery nature of the precip in the
mountains, but will generally be 3-6 inches in the San Bernardino
County Mountains through Tuesday, which will add to the issues with
previous snow/snow removal/road closures there.

The main wave with the broad West Coast trough will move through
southern Nevada Wednesday, and with strong west flow over SoCal and
a weak atmospheric river, there will be more precipitation, locally
heavy. This will be a cold storm, though some brief warming could
occur Tuesday night with the atmospheric river. Snow levels of 4000-
4500 feet initially should fall to around 2500 feet north of San
Diego County by Wednesday afternoon, with NBM 1-D viewer showing the
snow level possibly down to 1500 feet around SBD when some light
lingering precip occurs late Wednesday afternoon. Total snowfall
Tuesday night-Wednesday could exceed one foot in parts of the
mountains, especially west and southwest slopes. High-resolution
models indicate rainfall rates locally over 1/3 inch per hour along
somewhat convective bands, but that should remain below flash flood
guidance, and the thunderstorm chance is rather small, less than 15%
during any 6 hourly period and CAPE values mostly 250 J/kg or less,
even over the warmer surface of the ooastal waters.

After the main trough moves east, warmer weather with weak offshore
flow to the north will occur Thursday, though temperatures remain
below normal through next weekend. Waves will continue to move east
across the Pacific west of the Pac NW/Canada to maintain the
longwave trough over really much of North America. Cluster analysis
shows some hint of at least zonal flow or even slight ridging over
SoCal and the southern part of the wetsern US early next week, about
a 35% chance of the GEFS/EPS/Canadian ensembles, but the other
solutions keep the West Coast trough pattern which would likely
bring another round of precipitation sometime early next week. There
is a rather large range of potential high temperatures then from
basically the 50s to perhaps just beyond 70 in near-coastal areas.

&&

.AVIATION...
271720Z...SCT-BKN clouds with bases 3000-5000 feet MSL will continue
today. A band of -SHRA will move through the region (except deserts)
from northwest to southeast after 21-05Z this afternoon and eve.
Cloud bases would lower briefly to 2500 feet MSL and vis to 3-5SM in
SHRA. Coastal slopes of the mountains occasionally obscured in
clouds below 6000 feet MSL. Another band of -SHRA will pass through
with similar effect on clouds/vis 08-16Z Tuesday.

Winds will increase today after 21Z over the mountains and deserts
with sfc gusts 30-40 kts with isolated gusts to 50 kts along the
wind prone desert slopes. Locally moderate up and downdrafts can be
expected over the mountains and desert slope regions. These winds
will continue through Tuesday morning.

&&

.MARINE...
Winds will strengthen and seas will build late Tuesday, leading to
hazardous boating conditions Tuesday night through Wednesday night.
A few hours of gales and very hazardous seas are likely late
Wednesday. No hazardous marine conditions are expected today through
Tuesday, and Thursday through Friday. Check the Coastal Waters
Forecast for details and stay tuned for hazard information.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Winter Weather Advisory from noon today to 4 PM Tuesday for
     San Bernardino County Mountains.

     Winter Storm Watch from Tuesday afternoon through Wednesday
     afternoon for San Bernardino County Mountains.

     Winter Weather Advisory from 4 PM this afternoon to 4 PM
     Tuesday for Riverside County Mountains-San Diego County
     Mountains.

     Winter Storm Watch from Tuesday afternoon through Wednesday
     evening for Riverside County Mountains-San Diego County
     Mountains.

PZ...None.

&&

PUBLIC...Maxwell
AVIATION/MARINE...Small

In the hours before

Local storm report, Feb 27, 9:38 AM PST, 3 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
938 AM PST MON FEB 27 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     HEAVY SNOW       3 E BIG BEAR LAKE       34.24N 116.89W
02/26/2023  M75.0 INCH       SAN BERNARDINO     CA   BROADCAST MEDIA

            BEAR MOUNTAIN SNOW SUMMIT 7000 TO 7500 FEET
            TOTAL SNOWFALL FROM WEDNESDAY THROUGH EARLY
            SUNDAY.

&&

AOT
Local storm report, Feb 27, 9:42 AM PST, 3 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
942 AM PST MON FEB 27 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     SNOW             1 N SANTA YSABEL        33.11N 116.68W
02/26/2023  M3.0 INCH        SAN DIEGO          CA   BROADCAST MEDIA

            3 INCHES OF SNOW, PHOTOS BY MEDIA. ELEVATION
            3000 FEET.

&&

AOT
Local storm report, Feb 27, 9:43 AM PST, 3 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
943 AM PST MON FEB 27 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     SNOW             1 NW ANZA               33.56N 116.67W
02/26/2023  M8.0 INCH        RIVERSIDE          CA   TRAINED SPOTTER

            ELEVATION 3900 FEET. TOTAL SNOWFALL.

&&

AOT
Local storm report, Feb 27, 9:44 AM PST, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
944 AM PST MON FEB 27 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0959 AM     SNOW             MT LAGUNA               32.87N 116.42W
02/26/2023  M29.0 INCH       SAN DIEGO          CA   CO-OP OBSERVER

            STORM TOTAL SNOWFALL SINCE WEDNESDAY.

&&

AOT
Local storm report, Feb 27, 9:47 AM PST, 3 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
947 AM PST MON FEB 27 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     SNOW             1 NNW FONTANA           34.11N 117.44W
02/25/2023  E1.0 INCH        SAN BERNARDINO     CA   BROADCAST MEDIA

            VIDEO SHOWING 1 INCH OF SNOWFALL IN FONTANA
            AT 1150 FEET.

&&

AOT
Local storm report, Feb 27, 9:53 AM PST, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SAN DIEGO CA
953 AM PST MON FEB 27 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     HEAVY SNOW       3 E BIG BEAR LAKE       34.24N 116.89W
02/26/2023  M75.0 INCH       SAN BERNARDINO     CA   BROADCAST MEDIA

            BEAR MOUNTAIN SNOW SUMMIT 7000 TO 7500 FEET
            TOTAL SNOWFALL FROM WEDNESDAY THROUGH EARLY
            SUNDAY.

1031 AM     SNOW             WRIGHTWOOD              34.36N 117.64W
02/26/2023  M55.0 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            HIGHWAY 2 IS ONE LANE WITH 7 FT. TUNNEL.
            CHAINS REQUIRED.

0959 AM     SNOW             MT LAGUNA               32.87N 116.42W
02/26/2023  M29.0 INCH       SAN DIEGO          CA   CO-OP OBSERVER

            STORM TOTAL SNOWFALL SINCE WEDNESDAY.

0900 AM     SNOW             1 NW ANZA               33.56N 116.67W
02/26/2023  M8.0 INCH        RIVERSIDE          CA   TRAINED SPOTTER

            ELEVATION 3900 FEET. TOTAL SNOWFALL.

0808 AM     HEAVY SNOW       1 SE CRESTLINE          34.24N 117.28W
02/26/2023  M63.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            4900 FEET. SINCE WEDNESDAY. SAN BERNARDINO
            COUNTY PUBLIC WORKS.

0804 AM     SNOW             1 E IDYLLWILD           33.75N 116.70W
02/26/2023  M17.0 INCH       RIVERSIDE          CA   TRAINED SPOTTER

            17 STORM TOTAL AVERAGE. SETTLING AND WIND
            DRIFTS SO HARD TO MEASURE AND COULD BE 20
            INCHES. ELEVATION 5630.

0800 AM     HEAVY SNOW       2 E RUNNING SPRINGS     34.21N 117.08W
02/26/2023  M65.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            ARROWBEAR AT 6200 FEET. SAN BERNARDINO
            PUBLIC WORKS. SINCE WEDNESDAY.

0800 AM     HEAVY SNOW       1 NW MT BALDY           34.24N 117.66W
02/26/2023  M27.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            MT BALDY VILLAGE AT 4200 FEET. SAN
            BERNARDINO PUBLIC WORKS.

0800 AM     HEAVY SNOW       6 NW FOREST FALLS       34.14N 116.98W
02/26/2023  M33.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            ANGELUS OAKS AT 5800 FEET REPORTED BY SAN
            BERNARDINO COUNTY PUBLIC WORKS.

0800 AM     HEAVY SNOW       1 E FOREST FALLS        34.08N 116.90W
02/26/2023  M36.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            FOREST FALLS AT 5900 FEET REPORTED BY SAN
            BERNARDINO COUNTY PUBLIC WORKS.

0800 AM     HEAVY SNOW       1 SSW LYTLE CREEK       34.24N 117.50W
02/26/2023  M27.0 INCH       SAN BERNARDINO     CA   PUBLIC

            LYTLE CREEK AT 3400 FEET REPORTED BY SAN
            BERNARDINO PUBLIC WORKS. 24 PAST 24 HOURS.

0800 AM     HEAVY SNOW       1 NW DEVORE             34.24N 117.42W
02/26/2023  M20.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            DEVORE AT 2700 FEET REPORTED BY SAN
            BERNARDINO COUNTY PUBLIC WORKS. MOST OF THIS
            PAST 24 HOURS.

0800 AM     HEAVY SNOW       3 WSW BIG BEAR CITY     34.25N 116.88W
02/26/2023  M40.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            BIG BEAR YARD REPORTED BY SAN BERNARDINO
            COUNTY PUBLIC WORKS. SINCE WEDNESDAY.

0800 AM     HEAVY SNOW       LAKE ARROWHEAD          34.25N 117.19W
02/26/2023  M68.0 INCH       SAN BERNARDINO     CA   PUBLIC

            LAKE ARROWHEAD, SAN BERNARDINO COUNTY PUBLIC
            WORKS. SINCE WEDNESDAY AT 5200 FEET.

0800 AM     HEAVY SNOW       3 NE RUNNING SPRINGS    34.24N 117.08W
02/26/2023  M70.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            GREEN VALLEY LAKE AT 6900 FEET. SAN
            BERNARDINO PUBLIC WORKS. SINCE WEDNESDAY.
            STATE HIGHWAYS CLOSED.

0800 AM     HEAVY SNOW       2 E RUNNING SPRINGS     34.22N 117.08W
02/26/2023  E71.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            RIM OF THE WORLD HIGHWAY 18. SAN BERNARDINO
            PUBLIC WORKS AT 6200 FEET SINCE WEDNESDAY.
            STATE HIGHWAYS ARE CLOSED.

0800 AM     HEAVY SNOW       3 NNE MT BALDY          34.27N 117.62W
02/26/2023  M77.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            END OF BALDY ROAD AT 6300 FEET. SAN
            BERNARDINO PUBLIC WORKS.

0800 AM     SNOW             1 N SANTA YSABEL        33.11N 116.68W
02/26/2023  M3.0 INCH        SAN DIEGO          CA   BROADCAST MEDIA

            3 INCHES OF SNOW, PHOTOS BY MEDIA. ELEVATION
            3000 FEET.

0800 AM     SNOW             3 E BIG BEAR LAKE       34.24N 116.89W
02/26/2023  M63.0 INCH       SAN BERNARDINO     CA   BROADCAST MEDIA

            BEAR MOUNTAIN SNOW SUMMIT AT 7200 FEET.
            SINCE WEDNESDAY.

0800 AM     SNOW             4 ENE RUNNING SPRINGS   34.22N 117.04W
02/26/2023  M84.0 INCH       SAN BERNARDINO     CA   BROADCAST MEDIA

            SNOW VALLEY RESORT ON HIGHWAY 18. 75 TO 84
            INCHES. 7000 TO 7500 FEET. TOTALS SINCE
            WEDNESDAY.

0800 AM     SNOW             DEVORE                  34.23N 117.40W
02/26/2023  M12.0 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            DEVORE HEIGHTS AT 2600 FEET. 10 INCHES ON
            SATURDAY.

0800 AM     SNOW             3 SSW FOREST FALLS      34.04N 116.93W
02/26/2023  M26.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            OAK GLEN AT 4900 FEET. SAN BERNARDINO COUNTY
            PUBLIC WORKS.

0800 AM     SNOW             1 SSW PHELAN            34.42N 117.57W
02/26/2023  M6.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            DESERT SIDE. PAST 2 DAYS. PUBLIC WORKS
            REPORT.

0800 AM     SNOW             WRIGHTWOOD              34.36N 117.63W
02/26/2023  M41.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            WRIGHTWOOD AT 5900 FEET. REPORTED BY PUBLIC
            WORKS. SINCE WEDNESDAY. 32 INCHES PAST 2
            DAYS.

0800 AM     SNOW             8 WSW HESPERIA          34.39N 117.43W
02/26/2023  M6.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            TOP OF CAJON PASS DESERT SIDE. 3800 FEET.
            SAN BERNARDINO PUBLIC WORKS.

0800 AM     SNOW             1 WNW PALOMAR MOUNTAIN  33.32N 116.88W
02/26/2023  M32.0 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            BIRCH HILL AT 5700 FEET. STORM TOTAL.

0800 AM     SNOW             3 WNW VICTORVILLE       34.52N 117.37W
02/26/2023  M1.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            VICTORVILLE REPORTED BY PUBLIC WORKS.
            SATURDAY SNOWFALL. 2700 FEET.

0800 AM     SNOW             4 NE APPLE VALLEY       34.57N 117.16W
02/26/2023  M2.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            ON SATURDAY. SAN BERNARDINO COUNTY PUBLIC
            WORKS. 3000 FEET.

0759 AM     SNOW             1 ESE PALOMAR MOUNTAIN  33.31N 116.85W
02/26/2023  M32.0 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            STORM TOTAL IS 32 WITH 4 INCHES OVERNIGHT AT
            BIRCH HILL AT 5700 FEET.

0711 AM     HEAVY RAIN       2 NNW ALISO VIEJO       33.60N 117.74W
02/26/2023  M0.90 INCH       ORANGE             CA   TRAINED SPOTTER

            PAST 24 HOURS. STORM TOTAL IS 2.65.

0700 AM     HEAVY SNOW       PALOMAR MOUNTAIN        33.31N 116.87W
02/26/2023  E28.0 INCH       SAN DIEGO          CA   FIRE DEPT/RESCUE

            REPORTED BY CALFIRE AND SHOWN ON CAMERA WITH
            STAKE. SINCE WEDNESDAY.

0700 AM     SNOW             1 ENE IDYLLWILD         33.75N 116.72W
02/26/2023  M17.0 INCH       RIVERSIDE          CA   TRAINED SPOTTER

            HARD TO MEASURE WITH DRIFTING AND SETTLING.
            16 TO 19 INCHES.

1252 AM     HAIL             BONITA                  32.68N 117.01W
02/26/2023  E0.25 INCH       SAN DIEGO          CA   TRAINED SPOTTER

1159 PM     HEAVY RAIN       2 WSW EL CAJON          32.79N 116.99W
02/25/2023  M1.36 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            SATURDAY RAINFALL.

1059 PM     SNOW             1 ESE PALOMAR MOUNTAIN  33.31N 116.85W
02/25/2023  M27.5 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            STORM TOTAL SNOW OF 27.5 INCHES.

1058 PM     HAIL             BONITA                  32.68N 117.01W
02/25/2023  M0.25 INCH       SAN DIEGO          CA   TRAINED SPOTTER

1040 PM     HAIL             1 W LA MESA             32.77N 117.03W
02/25/2023  E0.25 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            SPOTTER REPORT OF PEA SIZE HAIL AND HEAVY
            RAIN IN WESTERN LA MESA.

0750 PM     HAIL             4 ESE TEMECULA          33.48N 117.11W
02/25/2023  M0.25 INCH       RIVERSIDE          CA   TRAINED SPOTTER

            SMALL PELLET SIZED HAIL FOR TWO MINUTES.
            FROZEN PRECIP. WAS HARD/SOLID; NOT CRUSHABLE
            LIKE GRAUPEL IS.

0715 PM     SNOW             2 ESE HESPERIA          34.41N 117.26W
02/25/2023  M4.5 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            SNOW BEGAN 630 AM ON SATURDAY.

0655 PM     HEAVY RAIN       5 WNW RIVERSIDE         34.01N 117.47W
02/25/2023  M0.97 INCH       RIVERSIDE          CA   TRAINED SPOTTER

            SATURDAY RAINFALL IN JURUPA VALLEY.

0600 PM     HEAVY RAIN       RANCHO BERNARDO         33.02N 117.08W
02/25/2023  M1.38 INCH       SAN DIEGO          CA   PUBLIC

            TODAYS RAINFALL REPORT FROM THE NWS OFFICE
            IN RANCHO BERNARDO.

0547 PM     HEAVY SNOW       1 W WRIGHTWOOD          34.36N 117.65W
02/25/2023  M51.0 INCH       SAN BERNARDINO     CA   PUBLIC

            TOTAL ON GROUND IN WEST WRIGHTWOOD,
            ELEVATION IS 6275 FEET. STILL SNOWING AND
            22.8F.

0448 PM     SNOW             WRIGHTWOOD              34.36N 117.64W
02/25/2023  M40.0 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            STORM TOTAL AND STILL SNOWING.

0435 PM     SNOW             1 W WRIGHTWOOD          34.36N 117.65W
02/25/2023  M49.0 INCH       SAN BERNARDINO     CA   PUBLIC

            STORM TOTAL AT 6275 - STILL SNOWING.

0430 PM     HEAVY SNOW       PHELAN                  34.44N 117.56W
02/25/2023  M11.0 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            SNOW TOTAL FOR TODAY. HEAVY SNOW OCCURRING
            AT 430 PM WITH 1/4 MILE VISIBLITY.

0400 PM     HEAVY RAIN       SAN MARCOS              33.14N 117.17W
02/25/2023  M1.73 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            CORRECTS PREVIOUS HEAVY RAIN REPORT FROM SAN
            MARCOS. TODAYS TOTAL WAS MEASURED 1.73
            INCHES.

0315 PM     HEAVY RAIN       1 N LEMON GROVE         32.75N 117.02W
02/25/2023  M0.73 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            DOOR MAT COVERED WITH SMALL HAIL; VIOLENT
            FOR HERE STORM CELL.

0314 PM     HAIL             1 N LEMON GROVE         32.75N 117.02W
02/25/2023  M0.25 INCH       SAN DIEGO          CA   TRAINED SPOTTER

0227 PM     FLOOD            1 SE SANTA ANA          33.73N 117.87W
02/25/2023                   ORANGE             CA   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0200 PM     SNOW             1 NNW FONTANA           34.11N 117.44W
02/25/2023  E1.0 INCH        SAN BERNARDINO     CA   BROADCAST MEDIA

            VIDEO SHOWING 1 INCH OF SNOWFALL IN FONTANA
            AT 1150 FEET.

0111 PM     HEAVY RAIN       9 WNW LAKE ELSINORE     33.74N 117.45W
02/25/2023  M2.60 INCH       RIVERSIDE          CA   TRAINED SPOTTER

            RAINFALL TOTAL PAST 2 DAYS.

0100 PM     SNOW             1 NNW DEVORE            34.23N 117.41W
02/25/2023  M8.5 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            DEVORE HEIGHTS AT 2700 FEET. TOTAL IS 10.5
            AS THE 8.5 IS FROM TODAY.

1220 PM     SNOW             4 SSW JULIAN            33.01N 116.61W
02/25/2023  M3.5 INCH        SAN DIEGO          CA   TRAINED SPOTTER

            NEW SNOWFALL TODAY.

1205 PM     SNOW             2 NW DEVORE             34.25N 117.44W
02/25/2023  E4.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            VEHICLE STUCK IN SNOW NORTH OF KENWOOD AVE
            ON I-15.

1201 PM     SNOW             DEVORE                  34.22N 117.41W
02/25/2023  E4.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            CALTRANS CHP ISSUING SIG ALERT AND SHUTTING
            DOWN I-15 AND I-215 INTERCHANGE IN CAJON
            PASS DUE TO DISABLED VEHICLES AND SNOW AND
            ICE PREVENTING THEM FROM TOWING. SHUT DOWN
            WILL ALLOW FOR PLOWING.

1145 AM     SNOW             DEVORE                  34.22N 117.41W
02/25/2023  E3.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            JACKKNIFED BIG RIG AT 1102 AM IN SLOW LANE.
            UNABLE TO MOVE VEHICLE BY TOW DUE SNOW AND
            ICE ON I-15.

1135 AM     SNOW             4 NNW RIVERSIDE         34.04N 117.39W
02/25/2023  E0.5 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            SNOW DOWN HERE IN BLOOMINGTON, JUST SOUTH OF
            THE 10 FREEWAY. WOW! 1100 FEET MSL.

1130 AM     SNOW             4 NNE MORENO VALLEY     33.97N 117.23W
02/25/2023  M0.1 INCH        RIVERSIDE          CA   TRAINED SPOTTER

            SNOW BUT LITTLE ACCUMULATION.

1113 AM     SNOW             2 NW BEAUMONT           33.95N 117.00W
02/25/2023  E0.3 INCH        RIVERSIDE          CA   TRAINED SPOTTER

            SNOWING.

1050 AM     SNOW             3 SSW DEVORE            34.19N 117.43W
02/25/2023  E1.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            GLEN HELEN PARKWAY AND SYCAMORE CREEK DRIVE
            WITH SEVERAL VEHICLES PARKING. SNOWING AND
            STICKING AS SEEN ON CALTRANS CAMERAS. 32F AT
            1900 FEET.

1030 AM     HEAVY RAIN       5 N RIALTO              34.16N 117.36W
02/25/2023  M3.70 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            TOTAL RAINFALL. SNOWING NOW.

1030 AM     SNOW             1 N DEVORE              34.23N 117.40W
02/25/2023  M3.0 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            HEAVY WET SNOW IN DEVORE AT 2500 FEET. LARGE
            BRANCHES BREAKING FROM WEIGHT.

1028 AM     SNOW             4 NNE MORENO VALLEY     33.97N 117.23W
02/25/2023  E0.2 INCH        RIVERSIDE          CA   TRAINED SPOTTER

            SNOWFALL, WITH LIMITED ACCUMULATION.

1025 AM     SNOW             5 N RIALTO              34.16N 117.36W
02/25/2023  M1.0 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            SNOWING SINCE 830 AM.

1021 AM     HEAVY RAIN       1 NNW ORANGE            33.79N 117.84W
02/25/2023  M3.10 INCH       ORANGE             CA   TRAINED SPOTTER

            RAINFALL FROM 1 PM FRIDAY 2/24 TO 10AM
            SATURDAY 2/25.

1016 AM     SNOW             4 N FONTANA             34.16N 117.42W
02/25/2023  M1.0 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            LOCATED AT ABOUT 1760 FEET. SNOW IS STICKING
            AND AIR TEMPERATURE IS 33 FAHRENHEIT.

1015 AM     SNOW             4 NNE LYTLE CREEK       34.31N 117.47W
02/25/2023  E3.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            VEHICLES STUCK IN SNOW IN CAJON PASS ALONG
            I-15 AND SR 138. CAMERAS SHOW SNOW COVERED
            INTERSTATE.

0930 AM     SNOW             8 SSW CORONA            33.75N 117.60W
02/25/2023  E0.1 INCH        ORANGE             CA   TRAINED SPOTTER

            CHANGED OVER TO SNOW AT 1800 FEET. SCE SITE
            IS 33F IN SILVERADO CANYON.

0911 AM     SNOW             4 NNE MORENO VALLEY     33.97N 117.23W
02/25/2023  E0.1 INCH        RIVERSIDE          CA   TRAINED SPOTTER

            SNOW IS FALLING BUT NOT STICKING. SPOTTER IS
            1947 FEET.

0906 AM     HEAVY RAIN       2 WSW SAN MARCOS        33.13N 117.21W
02/25/2023  M1.58 INCH       SAN DIEGO          CA   TRAINED SPOTTER

            1.58 INCHES PAST 24 HOURS. 0.69 IN 1 HOUR
            FROM 4 TO 5 AM. MULTIPLE STATIONS HAD 0.5 TO
            0.7 INCHES. DRAINAGE ISSUES. 2.25 STORM
            TOTAL SINCE WEDNESDAY. 16.47 FOR WATER YEAR
            SO FAR. RAINING.

0800 AM     SNOW             2 E BIG BEAR LAKE       34.24N 116.89W
02/25/2023  M57.0 INCH       SAN BERNARDINO     CA   BROADCAST MEDIA

            BEAR MOUNTAIN SNOW SUMMIT REPORTS 57 INCHES
            SINCE WEDNESDAY AT 7000 FEET. 12 INCHES
            OVERNIGHT.

0800 AM     SNOW             4 E RUNNING SPRINGS     34.22N 117.04W
02/25/2023  M66.0 INCH       SAN BERNARDINO     CA   BROADCAST MEDIA

            SNOW VALLEY REPORTS 60 TO 66 INCHES TOTAL
            SINCE WEDNESDAY. ABOUT 3 FEET OVERNIGHT.
            STATE HIGHWAYS 18 AND 330 ARE CLOSED SINCE
            FRIDAY EVENING. THE RESORT IS CLOSED.

0757 AM     SNOW             2 W FOREST FALLS        34.09N 116.94W
02/25/2023  M0.5 INCH        SAN BERNARDINO     CA   TRAINED SPOTTER

            SNOW LEVEL. JUST CHANGED TO STEADY SNOW AT
            5000 FEET. ONLY SLIGHT BREEZE FROM THE NNE
            INTO THE CANYON. WE HAD QUITE A BIT OF SNOW
            MELT LAST NIGHT. OUTSIDE TEMP DOWN TO 30.3F.
            WAS 32F AN HOUR PRIOR.

0706 AM     FLOOD            2 E VISTA               33.20N 117.21W
02/25/2023                   SAN DIEGO          CA   DEPT OF HIGHWAYS

            CALTRANS REPORT OF BOTH LANES ON FOOTHILL
            DRIVE EXPERIENCING FLOODING.

0706 AM     SNOW             CRESTLINE               34.25N 117.29W
02/25/2023  E24.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            SR 138 AND OLD MILL ROAD. SEARCH AND RESCUE
            IN EFFECT. UNABLE TO ACCESS VEHICLE.

0700 AM     SNOW             4 NNE LYTLE CREEK       34.31N 117.47W
02/25/2023  E2.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            SNOW AND VISIBILITY DOWN TO 300 FEET IN
            CAJON PASS AT SR 138.

0647 AM     SNOW             1 W WRIGHTWOOD          34.36N 117.65W
02/25/2023  M32.0 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            CORRECTS PREVIOUS SNOW REPORT FROM 1 W
            WRIGHTWOOD. TRAINED SPOTTER. ELEVATION 6275
            FEET. STORM TOTAL SINCE WEDNESDAY.

0645 AM     HEAVY RAIN       2 NNW ALISO VIEJO       33.60N 117.74W
02/25/2023  M1.60 INCH       ORANGE             CA   TRAINED SPOTTER

            SPOTTER REPORT. RAINFALL TOTAL IN LAST 24
            HOURS WAS 1.6 INCHES. CUMULATIVE TOTAL SINCE
            6:45 AM FEB 23 IS NOW 1.75 INCHES.
            PRECIPITATION HAS BEEN MODERATE TO HEAVY AT
            TIMES DURING THE OVERNIGHT HOURS.

0437 AM     FLOOD            2 NE COSTA MESA         33.69N 117.89W
02/25/2023                   ORANGE             CA   DEPT OF HIGHWAYS

            THE BRISTOL ST ON RAMP IS FLOODED ON I-405
            NORTH, WITH VEHICLES GETTING STUCK.

0433 AM     FLOOD            2 E LAGUNA NIGUEL       33.56N 117.67W
02/25/2023                   ORANGE             CA   DEPT OF HIGHWAYS

            MUD AND WATER ON THE ON-RAMP TO I-5 N AT
            CROWN VALLEY PKWY.

0417 AM     FLOOD            2 E COSTA MESA          33.66N 117.88W
02/25/2023                   ORANGE             CA   DEPT OF HIGHWAYS

            SR 173 AND CAMPUS DRIVE HAS 1 TO 2 FEET OF
            WATER IN 2 LANES. SNA AIRPORT HAD 0.51 IN 1
            HOUR FROM 2 TO 3 AM. HIGHEST WAS ORANGE WITH
            0.81 INCHES IN BAND OF HEAVY RAIN.

0402 AM     NON-TSTM WND GST TEMECULA                33.50N 117.16W
02/25/2023  E50 MPH          RIVERSIDE          CA   TRAINED SPOTTER

            STRONG WINDS IN TEMECULA 40 TO 50 MPH.

0320 AM     FLOOD            4 WSW MURRIETA          33.53N 117.27W
02/25/2023                   RIVERSIDE          CA   DEPT OF HIGHWAYS

            3-4 FT BOULDER CAME OFF THE MOUNTAIN INTO
            THE ROAD WHEN HEAVY RAIN OCCURRED.

0310 AM     NON-TSTM WND DMG 6 NNE TEMECULA          33.57N 117.11W
02/25/2023                   RIVERSIDE          CA   TRAINED SPOTTER

            STRONG WINDS BLOWING UNSECURED OBJECTS
            AROUND GUSTS 50 TO 55 MPH.

0300 AM     FLOOD            3 S SANTA ANA           33.70N 117.88W
02/25/2023                   ORANGE             CA   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED NEAR
            HIGHWAY 55.

0255 AM     NON-TSTM WND GST MURRIETA                33.56N 117.21W
02/25/2023  M50 MPH          RIVERSIDE          CA   TRAINED SPOTTER

            STRONG WINDS GUSTING TO 45 TO 50 MPH IN
            MURRIETA AND TEMECULA.

1224 AM     NON-TSTM WND DMG 2 ENE COSTA MESA        33.68N 117.88W
02/25/2023                   ORANGE             CA   DEPT OF HIGHWAYS

            TREE DOWN BLOCKING SLOW LANES OF HIGHWAY 55
            NORTH JUST NORTH OF THE HIGHWAY 73
            TRANSITION. SOUTHEAST WINDS AT NEARBY JOHN
            WAYNE AIRPORT GUSTED TO 43 MPH SHORTLY
            BEFORE MIDNIGHT.

1211 AM     NON-TSTM WND GST 3 S CORONA              33.82N 117.57W
02/25/2023  M58 MPH          RIVERSIDE          CA   MESONET

            CORONA RAWS REPORTED A WIND GUST OF 58 MPH
            AHEAD OF COLD FRONT.

1119 PM     NON-TSTM WND DMG 2 S FALLBROOK           33.33N 117.24W
02/24/2023                   SAN DIEGO          CA   DEPT OF HIGHWAYS

            LARGE EUCALYPTUS TREE DOWN ACROSS BOTH LANES
            OF OLIVE HILL RD. NEARBY FALLBROOK AIRPORT
            REPORTED SOUTHEAST WIND GUSTS OF 20 TO 25
            MPH AT THE TIME.

1051 PM     NON-TSTM WND GST 8 ENE ORANGE            33.81N 117.71W
02/24/2023  M60 MPH          ORANGE             CA   MESONET

            FREMONT CANYON SSE WIND GUST OF 60 MPH AHEAD
            OF COLD FRONT.

1041 PM     NON-TSTM WND GST 9 SSE CORONA            33.75N 117.50W
02/24/2023  M59 MPH          RIVERSIDE          CA   MESONET

            MESONET STATION TSCC1 TEMESCAL.

1041 PM     NON-TSTM WND GST 9 SSE CORONA            33.75N 117.50W
02/24/2023  M59 MPH          RIVERSIDE          CA   MESONET

            MESONET STATION IN TEMESCAL REPORTED A SSE
            WIND GUST OF 59 MPH AHEAD OF COLD FRONT.

1039 PM     NON-TSTM WND DMG 9 SE CORONA             33.76N 117.47W
02/24/2023                   RIVERSIDE          CA   DEPT OF HIGHWAYS

            LARGE TREE BLOCKING RIGHT LANE OF CAMPBELL
            RANCH RD AT MAYHEW CANYON RD IN TEMESCAL.
            SOUTHEAST WINDS AT NEARBY SCE GLEN EDEN RD
            MESONET WERE GUSTING 25 TO 30 MPH AT THE
            TIME. WINDS UP THE HILL AT TEMESCAL RAWS
            GUSTED UP TO 59 MPH AT 1041 PM.

0929 PM     SNOW             1 ESE WRIGHTWOOD        34.35N 117.61W
02/24/2023  M18.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            ORCHARD DRIVE AND LAUSANNE DRIVE VEHICLES
            STUCK IN SNOW. 1.5 FEET OF SNOW ON ROADWAY.

0845 PM     FLASH FLOOD      2 ESE LYTLE CREEK       34.25N 117.46W
02/24/2023                   SAN BERNARDINO     CA   FIRE DEPT/RESCUE

            SAN BERNARDINO COUNTY FIRE REPORTS SWIFT
            WATER RESCUE OF ONE OCCUPANT FROM A TRUCK.
            VIDEO SHOWS RUSHING WATER ABOUT HALF WAY UP
            THE TRUCK. OCCUPANT WAS RESCUED AND BROUGHT
            TO SAFETY AND ASSESSED FOR INJURIES.

0830 PM     FLOOD            5 NNE DEVORE            34.29N 117.37W
02/24/2023                   SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            VEHICLE STUCK IN MUD ON CLEGHORN ROAD OFF OF
            SR 138. SEARCH AND RESCUE IN PLACE AT
            MIDNIGHT.

0756 PM     NON-TSTM WND GST 10 SE CORONA            33.77N 117.45W
02/24/2023  M59 MPH          RIVERSIDE          CA   TRAINED SPOTTER

            59 MPH WIND GUST FROM THE SOUTH. TEMESCAL
            VALLEY, AND CORONA RAWS 63 MPH AT 10 PM.

0608 PM     SNOW             3 SSW PHELAN            34.39N 117.58W
02/24/2023  E6.0 INCH        SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            HARD CLOSURE ON SR 138. ICY ROADWAY.
            CALTRANS CAMERA SHOWS SIGNIFICANT SNOW ON
            ROADWAY NEAR 4800 FEET.

0549 PM     SNOW             5 SSE CRESTLINE         34.18N 117.28W
02/24/2023  M12.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            HIGHWAY 18 WATERMAN CANYON CLOSED FROM
            BOTTOM TO VISTA POINT DUE TO SNOW CONDITIONS
            AND MULTIPLE VEHICLES STUCK AT 4000 FEET.

0500 PM     SNOW             6 SE BIG BEAR LAKE      34.17N 116.87W
02/24/2023  M25.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            CHP REPORTS VEHICLES STUCK IN SNOW. AREA HAD
            RECEIVED 25 INCHES OF SNOW PAST 2 DAYS.
            HIGHWAY 38.

0443 PM     SNOW             2 N LAKE ARROWHEAD      34.27N 117.20W
02/24/2023  M24.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            TRUCK STUCK IN 2 FEET OF SNOW.

0400 PM     HEAVY SNOW       2 SSE CRESTLINE         34.23N 117.28W
02/24/2023  M18.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            VEHICLES STUCK IN SNOW ON SR 18 AND RIM OF
            THE WORLD HIGHWAY. HEAVY SNOW OCCURRING
            ABOVE 4000 FEET.

0341 PM     SNOW             1 W WRIGHTWOOD          34.36N 117.65W
02/24/2023  M20.0 INCH       SAN BERNARDINO     CA   TRAINED SPOTTER

            CURRENT STORM TOTAL AT WEST WRIGHTWOOD 6275
            FEET. 9 INCHES SINCE 8 AM TODAY.

0300 PM     HEAVY SNOW       4 W BIG BEAR LAKE       34.25N 117.00W
02/24/2023  M36.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            CHP AND CALTRANS HAVE HARD CLOSURE ON
            HIGHWAY 18 ARCTIC CIRCLE AND HIGHWAY 330.
            AREA WAS SWEPT AND NO VEHICLES. NUMEROUS
            VEHICLES WERE DISABLED AND STUCK AT 830 AM
            LEADING TO CLOSURES. THIS AREA HAS RECEIVED
            20 TO 40 INCHES OF SNOW SINCE WEDNESDAY.

0220 PM     SNOW             2 NE LAKE ARROWHEAD     34.27N 117.17W
02/24/2023  M24.0 INCH       SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            VAN STUCK IN SNOW.

0120 PM     FLOOD            5 NNW FONTANA           34.17N 117.46W
02/24/2023                   SAN BERNARDINO     CA   DEPT OF HIGHWAYS

            DUNCAN CANYON ROAD OFFRAMP HAS VEHICLES
            STOPPED (OFF I-15) AND ONE IN 2 FEET OF MUD.
            RAINFALL 0.25 PER HOUR AND 0.75 PAST 3 HOURS
            IN LYTLE CREEK.

&&

AOT

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 8:51 PM PSTWinter Storm WatchSGXRiverside, San Bernardino, San Diego16 hr
Feb 26, 8:51 PM PSTWinter Weather AdvisorySGXRiverside, San Bernardino, San Diego16 hr
Feb 27, 12:25 PM PSTWinter Storm WarningSGXRiverside, San Bernardino, San Diego60 hr
Feb 27, 1:18 PM PSTGale WatchSGX13 hr

Nearby

High Wind Warnings in California, 2023Every high wind warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.