Alert archive / California / High Wind Warnings in 2018
High Wind Warning 4, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at Apr 10, 2018, 2:08 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Apr 11, 2018, 8:00 PM PDT. It was in force for 24 hr. 12 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
- Apr 10, 2018, 2:08 PM PDT (21:08 UTC)
- In effect from
- Apr 11, 2018, 8:00 PM PDT
- Expired
- Apr 12, 2018, 8:00 PM PDT
- In force
- 24 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 21:07 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 12, 3:50 AM PDT | NON-TSTM WND GST 61 | Volcan Mountain, CA | MESONET STATION VCMSD, VOLCAN MOUNTAIN. |
| Apr 12, 6:51 AM PDT | NON-TSTM WND GST 84 | Burns Canyon, CA | MESONET STATION BCNC1,RAWS BURNS CANYON. |
| Apr 12, 7:04 AM PDT | NON-TSTM WND GST 60 | 5 Wsw Desert Hot Spring, CA | CHP REPORT OF A POWER LINE DOWN. |
| Apr 12, 7:28 AM PDT | NON-TSTM WND GST 59 | Thousand Palms (5 Nne), CA | MESONET STATION E3393, THOUSAND PALMS (5 NNE). |
| Apr 12, 7:53 AM PDT | NON-TSTM WND GST 54 | Mt San Jacinto, CA | MESONET STATION MSJC1, MT SAN JACINTO RAWS. |
| Apr 12, 8:00 AM PDT | NON-TSTM WND GST 59 | 3 Nnw Joshua Tree Lake, CA | HIGH WINDS OCCURRED FROM 800 TO 805 AM. |
| Apr 12, 8:35 AM PDT | NON-TSTM WND GST 58 | 5 E Daggett, CA | GUSTS TO 58 MPH OCCURRED AT 835 AM AND 953 AM. |
| Apr 12, 9:50 AM PDT | NON-TSTM WND GST 69 | Whitewater Raws (2 N), CA | MESONET STATION WWAC1, WHITEWATER RAWS (2 N). |
| Apr 12, 9:51 AM PDT | NON-TSTM WND GST 53 | Borrego Springs (7 Se), CA | MESONET STATION D1021, BORREGO SPRINGS (7 SE). |
| Apr 12, 12:00 PM PDT | NON-TSTM WND GST 55 | Twentynine Palms, CA | TWO SPOTTERS IN TWENTYNINE PALMS AND JOSHUA TREE REPORTED BLOWING DUST WITH VISIBILITY DOWN TO ONE MILE BETWEEN 1200 AND 1225 PM. A NEARBY STATION REPORTED A GUST TO 53 MPH AROUND THE SAME TIME. |
| Apr 12, 6:25 PM PDT | NON-TSTM WND GST 50 | 1 Sw Lucerne Valley, CA | CHP REPORT OF A TREE DOWN IN THE ROADWAY DUE TO WIND, ALONG HIGHLAND AVE. |
| Apr 12, 7:01 PM PDT | NON-TSTM WND GST 51 | Palm Springs Airport, CA | ASOS STATION PSP, PALM SPRINGS AIRPORT - DIVERTED PLANES REPORTED EARLIER ON THURSDAY AS WELL AS SQUALLS. |
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, 9.1 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
- 3150 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
411 WWUS76 KSGX 102108 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 208 PM PDT Tue Apr 10 2018 ...STRONG WEST WINDS FOR THE MOUNTAINS AND DESERTS FOR LATE WEDNESDAY INTO THURSDAY EVENING... .A fast moving low pressure system moving inland across Southern California Wednesday night and Thursday will bring periods of strong gusty west winds to the mountains and deserts. CAZ055-056-058-060>062-065-110500- /O.UPG.KSGX.HW.A.0002.180411T2000Z-180413T0500Z/ /O.NEW.KSGX.HW.W.0004.180411T2000Z-180413T0500Z/ 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, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 208 PM PDT Tue Apr 10 2018 ...HIGH WIND WARNING IN EFFECT FROM 1 PM WEDNESDAY TO 10 PM PDT THURSDAY... The National Weather Service in San Diego has issued a High Wind Warning...which is in effect from 1 PM Wednesday to 10 PM PDT Thursday. The High Wind Watch is no longer in effect. * Winds...Areas of west winds 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Location...Near mountain ridge tops and along desert mountain slopes into adjacent desert areas. * Timing...The winds will strengthen Wednesday afternoon and evening with the strongest winds late Wednesday night through Thursday morning. * Impacts...The winds will make driving difficult...especially for motorists with high profile vehicles. This will impact portions of Interstate 10 through the San Gorgonio Pass and the Coachella Vally...and Interstate 8 through the San Diego County mountains. In the deserts...areas of blowing dust and sand will reduce visibility at times. Watch for broken tree limbs and other debris. 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. && $$ Moede
8 follow-up statements
649 WWUS76 KSGX 110407 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 907 PM PDT Tue Apr 10 2018 ...STRONG WEST WINDS FOR THE MOUNTAINS AND DESERTS FOR LATE WEDNESDAY INTO THURSDAY EVENING... .A fast moving low pressure system moving inland across Southern California Wednesday night and Thursday will bring periods of strong gusty west winds to the mountains and deserts. CAZ055-056-058-060>062-065-111300- /O.CON.KSGX.HW.W.0004.180411T2000Z-180413T0500Z/ 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, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 907 PM PDT Tue Apr 10 2018 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 1 PM WEDNESDAY TO 10 PM PDT THURSDAY... * Winds...Areas of west winds 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Location...Near mountain ridge tops and along desert mountain slopes into adjacent desert areas. * Timing...Winds will strengthen Wednesday afternoon and evening with the strongest winds late Wednesday night through Thursday morning. Winds will slowly weaken during the day Thursday. * Impacts...The winds will make driving difficult...especially for motorists with high profile vehicles. This will impact portions of Interstate 10 through the San Gorgonio Pass and the Coachella Vally...and Interstate 8 through the San Diego County mountains. In the deserts...areas of blowing dust and sand will reduce visibility at times. Watch for broken tree limbs and other debris. 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. && $$ SS
341 WWUS76 KSGX 110947 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 247 AM PDT Wed Apr 11 2018 ...STRONG WEST WINDS DEVELOPING OVER THE MOUNTAINS AND DESERTS THIS EVENING... .A low pressure trough moving inland across California will bring strong and gusty westerly winds this evening into Thursday over the mountains and deserts. CAZ055-056-058-060>062-065-112100- /O.EXT.KSGX.HW.W.0004.180412T0300Z-180412T2100Z/ 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, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 247 AM PDT Wed Apr 11 2018 ...HIGH WIND WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 2 PM PDT THURSDAY... * Winds...West 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Location...Near mountain ridge tops and along desert mountain slopes into adjacent desert areas. * Timing...Beginning this evening, with the strongest winds late tonight through Thursday morning. Winds will weaken during the day Thursday. * Impacts...The winds will make driving difficult...especially for motorists with high profile vehicles. This will impact portions of Interstate 10 through the San Gorgonio Pass and the Coachella Vally...and Interstate 8 through the San Diego County mountains. In the deserts...areas of blowing dust and sand will reduce visibility at times. Watch for broken tree limbs and other debris. 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. && $$ 10
075 WWUS76 KSGX 111947 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1247 PM PDT Wed Apr 11 2018 ...STRONG WEST WINDS DEVELOPING OVER THE MOUNTAINS AND DESERTS THIS EVENING... .A low pressure trough moving inland across California will bring strong and gusty westerly winds this evening into Thursday over the mountains and deserts. CAZ055-056-058-060>062-065-120500- /O.CON.KSGX.HW.W.0004.180412T0300Z-180412T2100Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Big Bear City, Wrightwood, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 1247 PM PDT Wed Apr 11 2018 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM PDT THURSDAY... * Winds...West 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Location...Near mountain ridge tops and along desert mountain slopes into adjacent desert areas. * Timing...Beginning this evening, with the strongest winds late tonight through Thursday morning. Winds will weaken during the day Thursday. * Impacts...The winds will make driving difficult...especially for motorists with high profile vehicles. This will impact portions of Interstate 10 through the San Gorgonio Pass and the Coachella Vally...and Interstate 8 through the San Diego County mountains. In the deserts...areas of blowing dust and sand will reduce visibility at times. Watch for broken tree limbs and other debris. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ 12
571 WWUS76 KSGX 120343 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 843 PM PDT Wed Apr 11 2018 ...STRONG WEST WINDS CONTINUING OVER THE MOUNTAINS AND DESERTS THROUGH THURSDAY AFTERNOON... .A low pressure trough moving inland across California will bring strong and gusty westerly winds through Thursday afternoon over the mountains and deserts. CAZ055-056-058-060>062-065-121200- /O.CON.KSGX.HW.W.0004.000000T0000Z-180412T2100Z/ 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, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 843 PM PDT Wed Apr 11 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM PDT THURSDAY... * Winds...West 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Location...Near mountain ridge tops and along desert mountain slopes into adjacent desert areas. * Timing...through Thursday afternoon. Strongest winds late tonight through Thursday morning. Winds will weaken during the day Thursday. * Impacts...The winds will make driving difficult...especially for motorists with high profile vehicles. This will impact portions of Interstate 10 through the San Gorgonio Pass and the Coachella Vally...and Interstate 8 through the San Diego County mountains and desert. In the deserts...areas of blowing dust and sand will reduce visibility at times. Watch for broken tree limbs and other debris. 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. && $$ Gregoria
351 WWUS76 KSGX 121124 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 424 AM PDT Thu Apr 12 2018 CAZ055-056-058-060>062-065-122100- /O.CON.KSGX.HW.W.0004.000000T0000Z-180412T2100Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Big Bear City, Wrightwood, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 424 AM PDT Thu Apr 12 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON... * Winds...West 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Location...Near mountain ridge tops and along desert mountain slopes into adjacent desert areas. * Timing...through Thursday afternoon. Strongest winds this morning. Winds will weaken during the afternoon. * Impacts...The winds will make driving difficult...especially for motorists with high profile vehicles. This will impact portions of Interstate 10 through the San Gorgonio Pass and the Coachella Vally...and Interstate 8 through the San Diego County mountains and desert. In the deserts...areas of blowing dust and sand will reduce visibility at times. Watch for broken tree limbs and other debris. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ 10
085 WWUS76 KSGX 121442 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 742 AM PDT Thu Apr 12 2018 CAZ055-056-058-060>062-065-130000- /O.EXT.KSGX.HW.W.0004.000000T0000Z-180413T0300Z/ 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, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 742 AM PDT Thu Apr 12 2018 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING... * Winds...West 25 to 35 mph with gusts to 60 mph. Isolated gusts to 75 mph. * Location...Windiest locations along the mountain ridgetops and desert mountain slopes. * Impacts...Difficult travel, including along Interstate 15 through Cajon Pass and the Mojave Desert, Interstate 10 through San Gorgonio Pass and the Coachella Valley...and Interstate 8 through the mountains and deserts. In the deserts...blowing dust and sand could cause severe visibility restrictions. Watch for broken tree limbs and other debris. 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. && $$ jmb weather.gov/sandiego
966 WWUS76 KSGX 122333 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 433 PM PDT Thu Apr 12 2018 CAZ055-056-058-060>062-065-130300- /O.CON.KSGX.HW.W.0004.000000T0000Z-180413T0300Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Big Bear City, Wrightwood, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 433 PM PDT Thu Apr 12 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * Winds...West 25 to 35 mph with gusts to 60 mph. * Location...Windiest locations along the mountain ridgetops and desert mountain slopes. * Impacts...Difficult travel, including along Interstate 15 through Cajon Pass and the Mojave Desert, Interstate 10 through San Gorgonio Pass and the Coachella Valley...and Interstate 8 through the mountains and deserts. In the deserts...blowing dust and sand could cause severe visibility restrictions. Watch for broken tree limbs and other debris. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ Gregoria
556 WWUS76 KSGX 130256 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 756 PM PDT Thu Apr 12 2018 CAZ055-056-058-060>062-065-130400- /O.EXP.KSGX.HW.W.0004.000000T0000Z-180413T0300Z/ 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, Julian, Victorville, Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, and Desert Hot Springs 756 PM PDT Thu Apr 12 2018 ...HIGH WIND WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING... Winds will continue to subside across the mountains and deserts tonight. As such, the High Wind Warning will be allowed to expire at 8 PM. $$ Gregoria
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 1:05 PM PDT | Small Craft Advisory | SGX | 63 hr |
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.