Alert archive / California / Wind Advisories in 2018
Wind Advisory 4, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Jan 23, 2018, 3:40 AM PST for 4 counties in California. It took effect at Jan 23, 2018, 4:00 AM PST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Jan 23, 2018, 3:40 AM PST (11:40 UTC)
- In effect from
- Jan 23, 2018, 4:00 AM PST
- Expired
- Jan 23, 2018, 8:01 PM PST
- In force
- 16 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 11:44 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.
The nearest sounding before it
San Diego, CA (KNKX), launched 00:00Z, 11.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2879 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
914 WWUS76 KSGX 231140 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 340 AM PST Tue Jan 23 2018 ...GUSTY SANTA ANA WINDS NEAR THE COASTAL FOOTHILLS INTO WEDNESDAY... .Surface high pressure over the Great Basin will bring periods of gusty Santa Ana winds near the coastal foothills and below passes and canyons at times into Wednesday. Winds are expected to be strongest through this afternoon...and again for late tonight through mid morning Wednesday. CAZ048-050-055>058-065-554-232230- /O.NEW.KSGX.WI.Y.0004.180123T1200Z-180124T1800Z/ 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 Fontana, Julian, Pine Valley, and Banning 340 AM PST Tue Jan 23 2018 ...WIND ADVISORY IN EFFECT UNTIL 10 AM PST WEDNESDAY... The National Weather Service in San Diego has issued a Wind Advisory...which is in effect until 10 AM PST Wednesday. * Winds...Areas of east to northeast winds 15 to 25 mph with gusts to 45 mph. Isolated gusts to 55 mph. * Timing...Winds are expected to be strongest through this afternoon...and again for late tonight through mid morning Wednesday. * Location...Near coastal foothills of the mountains and below passes and canyons. * Impacts...Hazardous driving conditions for high-profile vehicles. Watch for broken tree limbs and downed palm fronds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ 17
2 follow-up statements
348 WWUS76 KSGX 231958 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1158 AM PST Tue Jan 23 2018 ...GUSTY OFFSHORE WINDS NEAR THE COASTAL FOOTHILLS INTO WEDNESDAY... .Surface high pressure over the Great Basin will bring periods of gusty offshore winds near the coastal foothills and below passes and canyons at times into Wednesday. Winds are expected to be strongest through this afternoon...and again late tonight through mid-morning Wednesday. CAZ048-050-055>058-065-554-240600- /O.CON.KSGX.WI.Y.0004.000000T0000Z-180124T1800Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-San Bernardino County Mountains- Riverside County Mountains-Santa Ana Mountains and Foothills- San Diego County Mountains-San Gorgonio Pass Near Banning- Orange County Inland Areas- Including the cities of Fontana, Julian, Pine Valley, and Banning 1158 AM PST Tue Jan 23 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY... * Winds...Areas of east to northeast winds 15 to 25 mph with gusts to 45 mph. Isolated gusts of 55-60 mph. * Timing...Winds are expected to be strongest through this afternoon...and again for late tonight through mid-morning Wednesday. * Location...Near coastal foothills of the mountains and below passes and canyons. * Impacts...Hazardous driving conditions for high-profile vehicles. Watch for broken tree limbs and downed palm fronds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ 12
965 WWUS76 KSGX 240401 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 801 PM PST Tue Jan 23 2018 CAZ048-050-055>058-065-554-240515- /O.CAN.KSGX.WI.Y.0004.000000T0000Z-180124T1800Z/ 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- 801 PM PST Tue Jan 23 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in San Diego has cancelled the Wind Advisory. Winds have decreased this evening below advisory levels. There will be a slight increase in the winds later tonight, primarily in the wind prone passes of San Diego and Riverside County, but the offshore winds will be much lower than they were this morning. $$ Moede
Nearby
Wind Advisories in California, 2018Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.