Alert archive / California / Wind Advisories in 2017
Wind Advisory 34, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Dec 19, 2017, 5:13 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 20, 2017, 10:00 AM PST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2017, 5:13 PM PST (01:13 UTC)
- In effect from
- Dec 20, 2017, 10:00 AM PST
- Expired
- Dec 21, 2017, 12:00 AM PST
- In force
- 14 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 01:17 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, 1.2 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2670 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
848 WWUS76 KSGX 200113 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 513 PM PST Tue Dec 19 2017 CAZ055-056-058-060>062-065-201400- /O.NEW.KSGX.WI.Y.0034.171220T2000Z-171221T1200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Big Bear City, Wrightwood, Hesperia, Apple Valley, Cathedral City, and Desert Hot Springs 513 PM PST Tue Dec 19 2017 ...WIND ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 4 AM PST THURSDAY... The National Weather Service in San Diego has issued a Wind Advisory...which is in effect from noon Wednesday to 4 AM PST Thursday. * Winds...Westerly winds becoming strong Wednesday afternoon along the mountain ridges and down into the Mojave and Sonoran Deserts. Strongest gusts to 55 mph through the passes and along the desert slopes and 45 mph in the deserts. * Timing...Strongest winds late Wednesday afternoon and during the evening...decreasing after midnight. * Location...Along Interstates 8, 10, and 15 through the mountains and down into the deserts. * Impacts...Poor visibility possible due to blowing dust and sand. Hazardous travel for high profile vehicles. 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. && $$ jmb weather.gov/sandiego
5 follow-up statements
455 WWUS76 KSGX 201030 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 230 AM PST Wed Dec 20 2017 ...GUSTY SOUTHWEST TO WEST WINDS IN THE MOUNTAINS AND DESERTS INTO THIS EVENING... .A low pressure system moving into the Great Basin will bring stronger onshore flow across Southern California into this evening with areas of gusty southwest to west winds in the mountains and deserts strengthening today and continuing into this evening. CAZ055-060-202230- /O.EXT.KSGX.WI.Y.0034.171220T1800Z-171221T0600Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Wrightwood, Victorville, Hesperia, and Apple Valley 230 AM PST Wed Dec 20 2017 ...WIND ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PST THIS EVENING... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph. * Timing...Areas of southwest to west winds developing this morning and strengthening this afternoon...then diminishing during the evening. * Location...From mountain ridge tops and along deserts slopes of the mountains into adjacent desert areas. * Impacts...Hazardous travel for high profile vehicles. Areas of reduced visibility in the deserts from blowing sand and dust. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ056-058-061-062-065-202230- /O.EXT.KSGX.WI.Y.0034.171220T2200Z-171221T0600Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Julian, Borrego Springs, and Desert Hot Springs 230 AM PST Wed Dec 20 2017 ...WIND ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PST THIS EVENING... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph. * Timing...Areas of west winds strengthening this afternoon...then diminishing during the late evening. * Location...From mountain ridge tops and along deserts slopes of the mountains into adjacent desert areas and in the northern Coachella Valley below the San Gorgonio Pass. * Impacts...Hazardous travel for high profile vehicles. Areas of reduced visibility in the deserts from blowing sand and dust. 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. && $$ 17
999 WWUS76 KSGX 201924 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1124 AM PST Wed Dec 20 2017 ...GUSTY SOUTHWEST TO WEST WINDS IN THE MOUNTAINS AND DESERTS INTO THIS EVENING... .A low pressure system moving into the Great Basin will bring strong onshore flow and gusty south to southwest winds to mountains and deserts through this evening. CAZ055-060-210600- /O.CON.KSGX.WI.Y.0034.000000T0000Z-171221T0600Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Wrightwood, Victorville, Hesperia, and Apple Valley 1124 AM PST Wed Dec 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph. * Location...From mountain ridge tops and along deserts slopes of the mountains into adjacent desert areas. * Impacts...Hazardous travel for high profile vehicles. Areas of reduced visibility in the deserts from blowing sand and dust. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ CAZ056-058-061-062-065-210600- /O.CON.KSGX.WI.Y.0034.171220T2200Z-171221T0600Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Julian, Borrego Springs, and Desert Hot Springs 1124 AM PST Wed Dec 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph. * Location...From mountain ridge tops and along deserts slopes of the mountains into adjacent desert areas and in the northern Coachella Valley below the San Gorgonio Pass. * Impacts...Hazardous travel for high profile vehicles. Areas of reduced visibility in the deserts from blowing sand and dust. 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. && $$ Moede
967 WWUS76 KSGX 202343 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 343 PM PST Wed Dec 20 2017 ...STRONG WINDS WILL CAUSE AREAS OF BLOWING DUST AND SAND AND VERY POOR VISIBILITY IN THE DESERTS... CAZ060-210600- /O.CAN.KSGX.WI.Y.0034.000000T0000Z-171221T0600Z/ /O.NEW.KSGX.DU.Y.0001.171220T2343Z-171221T0600Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 343 PM PST Wed Dec 20 2017 ...BLOWING DUST ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... The National Weather Service in San Diego has issued a Blowing Dust Advisory...which is in effect until 10 PM PST this evening. The Wind Advisory has been replaced with the Blowing Dust Advisory. * Winds...Areas of southwest to west winds 20 to 30 mph with gusts 50 to 60 mph. * Timing...Strong southwest to west winds this afternoon and evening...decreasing and shifting to the north late this evening. * Location...Along desert slopes and into the Mojave Desert floor. * Visibility...Areas of blowing dust and sand causing very poor visibility...especially along Highways 247, 18, and 395. * Impacts...Hazardous travel for high profile vehicles especially in cross winds. Very poor visibility, possible traffic delays in areas of blowing dust and sand. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blowing Dust Advisory means that blowing dust will restrict visibilities. Travelers are urged to use caution. && $$ CAZ055-210600- /O.CON.KSGX.WI.Y.0034.000000T0000Z-171221T0600Z/ San Bernardino County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, and Wrightwood 343 PM PST Wed Dec 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 to 60 mph. * Location...From mountain ridge tops and the along deserts slopes. Along Cajon Pass Interstate 15. * Impacts...Hazardous travel for high profile vehicles. 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. && $$ CAZ056-058-061-062-065-210600- /O.CON.KSGX.WI.Y.0034.000000T0000Z-171221T0600Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Julian, Borrego Springs, and Desert Hot Springs 343 PM PST Wed Dec 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph along the slopes. * Location...From mountain ridge tops and along deserts slopes of the mountains into adjacent desert areas and through and below San Gorgonio Pass. * Impacts...Hazardous travel for high profile vehicles especially in cross winds. Very poor visibility, possible traffic delays in areas of blowing dust and sand. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ jmb weather.gov/sandiego
584 WWUS76 KSGX 210321 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 721 PM PST Wed Dec 20 2017 ...STRONG WINDS WILL CAUSE AREAS OF BLOWING DUST AND SAND AND VERY POOR VISIBILITY IN THE DESERTS THIS EVENING... CAZ061-062-065-210800- /O.CAN.KSGX.WI.Y.0034.000000T0000Z-171221T0600Z/ /O.EXB.KSGX.DU.Y.0001.000000T0000Z-171221T0800Z/ 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, Borrego Springs, and Desert Hot Springs 721 PM PST Wed Dec 20 2017 ...BLOWING DUST ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT... The National Weather Service in San Diego has issued a Blowing Dust Advisory...which is in effect until midnight PST tonight. The Wind Advisory has been replaced with the Blowing Dust Advisory. * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 65 mph along the slopes. Wind decreasing after midnight. * Location...From mountain ridge tops and along deserts slopes of the mountains into adjacent desert areas and through and below San Gorgonio Pass. * Impacts...Hazardous travel for high profile vehicles especially in cross winds. Very poor visibility, down to zero in spots, travel delays possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blowing Dust Advisory means that blowing dust will restrict visibilities. Travelers are urged to use caution. && $$ CAZ060-210800- /O.EXT.KSGX.DU.Y.0001.000000T0000Z-171221T0800Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 721 PM PST Wed Dec 20 2017 ...BLOWING DUST ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts 50 to 60 mph. Wind decreasing after midnight. * Timing...Strong southwest to west winds this afternoon and evening...decreasing and shifting to the north late this evening. * Location...Along desert slopes and into the Mojave Desert floor. * Visibility...Areas of blowing dust and sand causing very poor visibility...especially along Highways 247, 18, and 395. * Impacts...Hazardous travel for high profile vehicles especially in cross winds. Very poor visibility, down to zero in spots, travel delays possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blowing Dust Advisory means that blowing dust will restrict visibilities. Travelers are urged to use caution. && $$ CAZ055-056-058-210800- /O.EXT.KSGX.WI.Y.0034.000000T0000Z-171221T0800Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, and Pine Valley 721 PM PST Wed Dec 20 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * Winds...Areas of southwest to west winds 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph along the ridges. Wind decreasing after midnight. * Location...From mountain ridge tops and along deserts slopes. * Impacts...Hazardous travel for high profile vehicles especially in cross winds. 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. && $$ jmb weather.gov/sandiego
056 WWUS76 KSGX 210816 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1216 AM PST Thu Dec 21 2017 CAZ060>062-065-210930- /O.EXP.KSGX.DU.Y.0001.000000T0000Z-171221T0800Z/ Apple and Lucerne Valleys-Coachella Valley- San Diego County Deserts-San Gorgonio Pass Near Banning- Including the cities of Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 1216 AM PST Thu Dec 21 2017 ...BLOWING DUST ADVISORY HAS EXPIRED... Winds continue to subside and widespread blowing dust is no longer expected. $$ CAZ055-056-058-210930- /O.EXP.KSGX.WI.Y.0034.000000T0000Z-171221T0800Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, and Pine Valley 1216 AM PST Thu Dec 21 2017 ...WIND ADVISORY HAS EXPIRED... Winds have lessened and will continue to subside overnight. $$ Gregoria
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 8:45 PM PST | Small Craft Advisory | SGX | 41 hr | |
| Dec 20, 11:57 AM PST | Red Flag Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 30 hr |
| Dec 20, 3:43 PM PST | Blowing Dust Advisory | SGX | Riverside, San Bernardino, San Diego | 8 hr |
Nearby
Wind Advisories in California, 2017Every wind advisory in 2017
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.