Frost Advisory 5, NWS San Diego, CA

Issued

Dec 14, 2021, 8:24 PM PST (04:24 UTC)

In effect from

Dec 15, 2021, 2:00 AM PST

Expired

Dec 15, 2021, 9:00 AM PST

In force

7 hr

Issued by

NWS San Diego, CA

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

474 
WWUS76 KSGX 150424
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
824 PM PST Tue Dec 14 2021

CAZ058-060-062-151200-
/O.CON.KSGX.HW.W.0010.000000T0000Z-211215T1200Z/
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-
Including the cities of Julian, Pine Valley, Victorville, 
Hesperia, Apple Valley, and Borrego Springs
824 PM PST Tue Dec 14 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 AM WEDNESDAY...

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

* WHERE...San Diego County Deserts, Apple and Lucerne Valleys 
  and San Diego County Mountains.

* WHEN...Until 4 AM Wednesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles.

* ADDITIONAL DETAILS...Winds will be strongest along the ridges 
  and into the adjacent desert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

CAZ048-050-151230-
/O.NEW.KSGX.FR.Y.0005.211215T1000Z-211215T1700Z/
/O.CON.KSGX.WI.Y.0039.000000T0000Z-211215T0800Z/
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
824 PM PST Tue Dec 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT TONIGHT...
...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM WEDNESDAY...

* WHAT...For the Frost Advisory, temperatures as low as 32 will
  result in frost formation. For the Wind Advisory, areas of west
  winds 20 to 30 mph.

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

* IMPACTS...Gusty winds could blow around unsecured objects. 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.

&&

$$

CAZ043-057-061-065-552-554-150800-
/O.CON.KSGX.WI.Y.0039.000000T0000Z-211215T0800Z/
San Diego County Coastal Areas-Santa Ana Mountains and Foothills-
Coachella Valley-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, 
National City, San Diego, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, Banning, 
Desert Hot Springs, Huntington Beach, Costa Mesa, Santa Ana, 
Anaheim, Garden Grove, Irvine, Orange, Fullerton, 
and Mission Viejo
824 PM PST Tue Dec 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT TONIGHT...

* WHAT...West winds 20 to 30 mph with gusts 45 mph.

* WHERE...Coachella Valley, San Gorgonio Pass Near Banning, 
  Orange County Coastal Areas, San Diego County Valleys, Santa 
  Ana Mountains and Foothills, Orange County Inland Areas, San 
  Diego County Coastal Areas and San Bernardino and Riverside 
  County Valleys-The Inland Empire.

* WHEN...Until midnight tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Winds will be strongest along the immediate
  coast and through the I-10 corridor into the Coachella Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Moede

211 
WWUS76 KSGX 150806
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1206 AM PST Wed Dec 15 2021

CAZ058-060-062-150915-
/O.CAN.KSGX.HW.W.0010.000000T0000Z-211215T1200Z/
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-
1206 AM PST Wed Dec 15 2021

...HIGH WIND WARNING IS CANCELLED...

Winds have decreased and will continue to decrease tonight.

$$

CAZ048-050-151030-
/O.EXP.KSGX.WI.Y.0039.000000T0000Z-211215T0800Z/
/O.CON.KSGX.FR.Y.0005.211215T1000Z-211215T1700Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-

1206 AM PST Wed Dec 15 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...
...WIND ADVISORY HAS EXPIRED...

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

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

* WHEN...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CAZ043-057-061-065-552-554-150915-
/O.EXP.KSGX.WI.Y.0039.000000T0000Z-211215T0800Z/
San Diego County Coastal Areas-Santa Ana Mountains and Foothills-
Coachella Valley-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
1206 AM PST Wed Dec 15 2021

...WIND ADVISORY HAS EXPIRED...

inds have decreased and will continue to decrease tonight.

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego

837 
WWUS76 KSGX 151024
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
224 AM PST Wed Dec 15 2021

CAZ048-050-151700-
/O.CON.KSGX.FR.Y.0005.000000T0000Z-211215T1700Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-
Including the city of Moreno Valley
224 AM PST Wed Dec 15 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...Near freezing temperatures will result in frost  
  formation.

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

* WHEN...Until 9 AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Frost Advisories in California, 2021Every frost advisory in 2021

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.