Alert archive / California / High Wind Warnings in 2018

High Wind Warning 2, NWS San Diego, CA

January 28, 20184 counties in California

NWS San Diego, CA issued this high wind warning at Jan 28, 2018, 3:14 AM PST for 4 counties in California. It was in force for 34 hr. 22 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
Jan 28, 2018, 3:14 AM PST (11:14 UTC)
Expired
Jan 29, 2018, 1:28 PM PST
In force
34 hr
Issued by
NWS San Diego, CA

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

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 11:16 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
Jan 28, 3:40 AM PSTNON-TSTM WND GST 64Pine Valley (5 S), CAMESONET STATION BMSSD, PINE VALLEY (5 S).
Jan 28, 3:51 AM PSTNON-TSTM WND GST 74Fremont Canyon, CAMESONET STATION FRCC1, FREMONT CANYON.
Jan 28, 4:25 AM PSTNON-TSTM WND GST 48Ontario Airport, CAASOS STATION ONT, ONTARIO AIRPORT.
Jan 28, 7:40 AM PSTNON-TSTM WND GST 84Sill Hill, CAMESONET STATION SILSD, SILL HILL.
Jan 28, 9:20 AM PSTNON-TSTM WND GST 89Sill Hill, CAMESONET STATION SILSD, SILL HILL.
Jan 28, 9:44 AM PSTNON-TSTM WND GST 53Campo, CAASOS STATION CZZ, CAMPO.
Jan 28, 11:00 AM PSTNON-TSTM WND GST 60Santa Ysabel (4 Sw), CAMESONET STATION WCKSD, SANTA YSABEL (4 SW).
Jan 28, 11:20 AM PSTNON-TSTM WND GST 65North Boulder Creek, CAMESONET STATION NBCSD, NORTH BOULDER CREEK.
Jan 28, 12:10 PM PSTNON-TSTM WND GST 59Descanso (5 N), CAMESONET STATION SHVSD, DESCANSO (5 N).
Jan 28, 2:00 PM PSTNON-TSTM WND GST 63Boulder Creek, CAMESONET STATION BOCSD, BOULDER CREEK.
Jan 28, 9:40 PM PSTNON-TSTM WND GST 84Sill Hill, CAMESONET STATION SILSD, SILL HILL.
Jan 29, 6:20 AM PSTNON-TSTM WND GST 58Santa Ysabel (2 Sw), CAMESONET STATION WSYSD, SANTA YSABEL (2 SW).
Jan 29, 7:15 AM PSTNON-TSTM WND GST 648 Nne Valley Center, CAMESONET STATION HF001, 8 NNE VALLEY CENTER.
Jan 29, 7:20 AM PSTNON-TSTM WND GST 62Alpine (4 E), CAMESONET STATION EWRSD, ALPINE (4 E).
Jan 29, 7:50 AM PSTNON-TSTM WND GST 63Hellhole Canyon, CAMESONET STATION HHCSD, HELLHOLE CANYON.
Jan 29, 7:52 AM PSTNON-TSTM WND GST 68Alpine, CAMESONET STATION ANEC1, ALPINE.
Jan 29, 8:50 AM PSTNON-TSTM WND GST 81Hellhole Canyon, CACORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM HELLHOLE CANYON. MESONET STATION HHCSD, HELLHOLE CANYON.
Jan 29, 9:10 AM PSTNON-TSTM WND GST 73Hellhole Canyon, CAMESONET STATION HHCSD, HELLHOLE CANYON.
Jan 29, 9:16 AM PSTNON-TSTM WND GST 67Highland Springs, CAMESONET STATION HSGC1, HIGHLAND SPRINGS.
Jan 29, 9:28 AM PSTNON-TSTM WND GST 81Escondido (2 Ne), CAMESONET STATION AU219, ESCONDIDO (2 NE).
Jan 29, 9:51 AM PSTNON-TSTM WND GST 76Fremont Canyon, CAMESONET STATION FRCC1, FREMONT CANYON.
Jan 29, 10:10 AM PSTNON-TSTM WND GST 64Otay Mountain, CAMESONET STATION OTMSD, OTAY MOUNTAIN.

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 00:00Z, 11.2 hours before the alert went out and 124 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 00:00Z on 2018-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 00:00Z on 2018-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -93 square meters per square second.1939Sfc1 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
3419 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-93 m²/s²
0-3 km storm-relative helicity
-73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

237 
WWUS76 KSGX 281114
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
314 AM PST Sun Jan 28 2018

...MODERATE TO LOCALLY STRONG AND GUSTY SANTA ANA WINDS INTO 
MONDAY...

.Surface high pressure over the Great Basin will bring periods of
moderate to locally strong and gusty Santa Ana winds into Monday.

CAZ048-050-055>058-065-554-282230-
/O.NEW.KSGX.HW.W.0002.180128T1114Z-180130T0000Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
San Marcos, Poway, Crestline, Lake Arrowhead, Running Springs, 
Idyllwild-Pine Cove, Julian, Pine Valley, Banning, Santa Ana, 
Anaheim, Orange, and Mission Viejo
314 AM PST Sun Jan 28 2018

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST MONDAY...

The National Weather Service in San Diego has issued a High Wind
Warning...which is in effect until 4 PM PST Monday. 

* Winds...Areas of east to northeast winds 25 to 35 mph with 
  gusts to 55 mph. Isolated gusts to 65 to 75 mph.

* Timing...Strongest winds into this afternoon...then again late
  tonight into Monday morning.

* Location...Strongest winds in the coastal foothills of the Santa
  Ana Mountains...near the mountain ridge tops in the inland
  valleys in San Diego County...and in the Inland Empire below the
  Cajon and Banning Passes.

* Visibility...Locally reduced in blowing dust at times in the 
  inland valleys.

* Impacts...The winds will make driving difficult...especially for
  motorists with high profile vehicles. Watch for broken tree
  limbs. Isolated property damage is possible with the stronger
  gusts.
 
* Outlook...Winds will begin to decrease in San Bernardino... 
  Orange...and Riverside Counties on Monday afternoon...and in San
  Diego Monday night.

* Reports...The strongest gusts overnight have been to 76 mph at
  Sill Hill in the San Diego County Mountains and to 65 mph at
  Fremont Canyon and 62 mph at Pleasants Peak on the coastal
  slopes of the Santa Ana Mountains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

17
6 follow-up statements
809 
WWUS76 KSGX 281627
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
827 AM PST Sun Jan 28 2018

CAZ048-050-055>058-065-554-290030-
/O.CON.KSGX.HW.W.0002.000000T0000Z-180130T0000Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
San Marcos, Poway, Crestline, Lake Arrowhead, Running Springs, 
Idyllwild-Pine Cove, Julian, Pine Valley, Banning, Santa Ana, 
Anaheim, Orange, and Mission Viejo
827 AM PST Sun Jan 28 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST MONDAY...

* Winds...Areas of east to northeast winds 30 to 40 mph with gusts
  to 60 mph. Isolated gusts to 90 mph in remote locations.

* Timing...Strongest winds into this afternoon...then again late 
  tonight into Monday morning. 

* Location...Strongest winds in the coastal foothills of the 
  Santa Ana Mountains...near the mountain ridge tops in the 
  inland valleys in San Diego County...and in the Inland Empire 
  below the Cajon and Banning Passes. 

* Visibility...May be reduced in blowing dust at times in the 
  inland valleys and foothills. 

* Impacts...The winds will make driving difficult...especially for
  motorists with high profile vehicles. Watch for broken tree
  limbs. Isolated property damage. 

* Outlook...Winds will begin to decrease in San Bernardino...
  Orange...and Riverside Counties Monday afternoon...and in San 
  Diego Monday night. 

* Reports...Wind reports will be issued regularly during times of
  high winds available on social media and headlined on the front
  of the website. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

jmb

weather.gov/sandiego
605 
WWUS76 KSGX 282114
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
114 PM PST Sun Jan 28 2018

CAZ048-050-055>058-065-554-290600-
/O.CON.KSGX.HW.W.0002.000000T0000Z-180130T0000Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
San Marcos, Poway, Crestline, Lake Arrowhead, Running Springs, 
Idyllwild-Pine Cove, Julian, Pine Valley, Banning, Santa Ana, 
Anaheim, Orange, and Mission Viejo
114 PM PST Sun Jan 28 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST MONDAY...

* Winds...Areas of east to northeast winds 30 to 40 mph with 
  gusts to 60 mph. Isolated gusts to 90 mph in remote locations. 

* Timing...Strongest winds into this afternoon...then again late 
  tonight into Monday morning. 

* Location...Strongest winds in the coastal foothills of the 
  Santa Ana Mountains...near the mountain ridge tops in the 
  inland valleys in San Diego County...and in the Inland Empire 
  below the Cajon and Banning Passes. 

* Visibility...May be reduced in blowing dust at times in the 
  inland valleys and foothills. 

* Impacts...The winds will make driving difficult...especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs. Isolated property damage. 

* Outlook...Winds will begin to decrease in San Bernardino... 
  Orange...and Riverside Counties Monday afternoon...and in San 
  Diego Monday night. 

* Reports...Wind reports will be issued regularly during times 
  of high winds available on social media and headlined on the 
  front of the website. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

jmb

weather.gov/sandiego
791 
WWUS76 KSGX 282217
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
217 PM PST Sun Jan 28 2018

CAZ048-050-055>058-065-554-290630-
/O.EXT.KSGX.HW.W.0002.000000T0000Z-180130T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
San Marcos, Poway, Crestline, Lake Arrowhead, Running Springs, 
Idyllwild-Pine Cove, Julian, Pine Valley, Banning, Santa Ana, 
Anaheim, Orange, and Mission Viejo
217 PM PST Sun Jan 28 2018

...HIGH WIND WARNING NOW IN EFFECT UNTIL 7 PM PST MONDAY...

* Winds...Areas of east to northeast winds 30 to 40 mph with 
  gusts to 60 mph. Isolated gusts to 90 mph in remote locations. 

* Timing...Winds will become very strong again late tonight
  through Monday morning, and then gradually decrease Monday
  afternoon and evening. 

* Location...Strongest winds in the coastal foothills of the 
  Santa Ana Mountains...near the mountain ridge tops in the 
  inland valleys in San Diego County...and in the Inland Empire 
  below the Cajon and Banning Passes. 

* Visibility...May be reduced in blowing dust at times in the 
  inland valleys and foothills. 

* Impacts...The winds will make driving difficult...especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs. Isolated property damage. 

* Outlook...Winds will begin to decrease in San Bernardino... 
  Orange...and Riverside Counties Monday afternoon...and in San 
  Diego Monday night. 

* Reports...Wind reports will be issued regularly during times 
  of high winds available on social media and headlined on the 
  front of the website. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring.  Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

jmb

weather.gov/sandiego
561 
WWUS76 KSGX 290512
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
912 PM PST Sun Jan 28 2018


CAZ048-050-055>058-065-554-291400-
/O.CON.KSGX.HW.W.0002.000000T0000Z-180130T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
San Marcos, Poway, Crestline, Lake Arrowhead, Running Springs, 
Idyllwild-Pine Cove, Julian, Pine Valley, Banning, Santa Ana, 
Anaheim, Orange, and Mission Viejo
912 PM PST Sun Jan 28 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST MONDAY...

* Winds...Areas of east to northeast winds 30 to 40 mph with gusts
  to 60 mph. Isolated gusts to 70 mph in remote locations. 

* Timing...through Monday morning, and then gradually decreasing 
  Monday afternoon and evening. 

* Location...Strongest along the coastal slopes/foothills, 
  through and below passes and canyons.
  
* Visibility...May be reduced in blowing dust at times in the 
  inland valleys and foothills. 

* Impacts...The winds will make driving difficult...especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs. Isolated property damage. 

* Outlook...Winds will begin to decrease Monday afternoon and
  evening. 

* Reports...Wind reports will be issued regularly during times 
  of high winds available on social media and headlined on the 
  front of the website. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts 
of 58 mph or more can lead to property damage.

&&

$$

jad
959 
WWUS76 KSGX 291113
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
313 AM PST Mon Jan 29 2018

......MODERATE TO LOCALLY STRONG AND GUSTY SANTA ANA WINDS TO
CONTINUE TODAY...

.Surface high pressure over the Great Basin will bring periods of
moderate to locally strong and gusty Santa Ana winds into this
morning. Wind winds will decrease from north to south during the
afternoon and early evening.

CAZ048-050-055>058-065-554-292230-
/O.CON.KSGX.HW.W.0002.000000T0000Z-180130T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario, 
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, 
San Marcos, Poway, Crestline, Lake Arrowhead, Running Springs, 
Idyllwild-Pine Cove, Julian, Pine Valley, Banning, Santa Ana, 
Anaheim, Orange, and Mission Viejo
313 AM PST Mon Jan 29 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS
EVENING...

* Winds...Areas of east to northeast winds 25 to 35 mph with gusts
  to 55 mph. Isolated gusts to 65 to 75 mph.

* Timing...Strongest and most widespread winds through this
  morning...then decreasing from north to south during the
  afternoon and early evening.

* Location...Strongest winds in the coastal foothills of the Santa
  Ana Mountains...near the mountain ridge tops in the inland
  valleys in San Diego County...and in the Inland Empire below the
  Cajon and Banning Passes. 

* Visibility...Locally reduced in blowing dust at times in the 
  inland valleys. 

* Impacts...The winds will make driving difficult...especially for
  motorists with high profile vehicles. Watch for broken tree
  limbs. Isolated property damage is possible with the stronger
  gusts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

17
332 
WWUS76 KSGX 292128
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
128 PM PST Mon Jan 29 2018

CAZ048-050-055>058-065-554-292230-
/O.CAN.KSGX.HW.W.0002.000000T0000Z-180130T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-San Bernardino County Mountains-
Riverside County Mountains-Santa Ana Mountains and Foothills-
San Diego County Mountains-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
128 PM PST Mon Jan 29 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in San Diego has cancelled the High
Wind Warning. 

Winds continue to subside across the area and high winds are no
longer expected. Therefore, the High Wind Warning has been
cancelled.

$$
Gregoria

Nearby

High Wind Warnings in California, 2018Every high wind warning in 2018

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.