Alert archive / California / High Wind Warnings in 2018
High Wind Warning 6, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at Apr 18, 2018, 2:04 PM PDT for Riverside County, San Diego County, California. It took effect at Apr 18, 2018, 11:00 PM PDT. It was in force for 27 hr. 8 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 18, 2018, 2:04 PM PDT (21:04 UTC)
- In effect from
- Apr 18, 2018, 11:00 PM PDT
- Expired
- Apr 20, 2018, 2:00 AM PDT
- In force
- 27 hr
- Issued by
- NWS San Diego, CA
Counties Riverside County, CA, San Diego County, CA
The radar
The San Diego radar (KNKX), 80 km from the middle of the area, began a volume at 21:10 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 19, 5:50 AM PDT | NON-TSTM WND GST 61 | Whitewater Raws (2 N), CA | MESONET STATION WWAC1, WHITEWATER RAWS (2 N). |
| Apr 19, 6:45 AM PDT | NON-TSTM WND GST 60 | 7 Wsw Desert Hot Spring, CA | CHP HAD ISSUES USING MEDICAL AIRCRAFT TO RESPOND TO AUTO ACCIDENT DUE TO HIGH WINDS. |
| Apr 19, 6:50 AM PDT | NON-TSTM WND GST 64 | Volcan Mountain, CA | MESONET STATION VCMSD, VOLCAN MOUNTAIN. |
| Apr 19, 7:27 AM PDT | NON-TSTM WND GST 49 | Borrego Springs (7 Se), CA | MESONET STATION D1021, BORREGO SPRINGS (7 SE). |
| Apr 19, 7:50 AM PDT | NON-TSTM WND GST 63 | Harrison Park, CA | MESONET STATION HRPSD, HARRISON PARK. |
| Apr 19, 8:00 AM PDT | NON-TSTM WND GST 62 | Boulevard (1 W), CA | MESONET STATION BVDSD, BOULEVARD (1 W). |
| Apr 19, 12:50 PM PDT | HIGH SUST WINDS 49 | Whitewater Raws (2 N), CA | SUSTAINED WIND 49 MPH. MESONET STATION WWAC1, WHITEWATER RAWS (2 N). |
| Apr 19, 7:15 PM PDT | NON-TSTM WND GST 56 | Palm Springs Airport, CA | ASOS STATION PSP, PALM SPRINGS AIRPORT. SUSTAINED 39 MPH WITH A GUST TO 56 MPH. |
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 100 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
- 2075 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
349 WWUS76 KSGX 182104 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 204 PM PDT Wed Apr 18 2018 ...STRONG AND GUSTY WINDS OVER PORTIONS OF THE MOUNTAINS AND DESERTS THIS EVENING THROUGH THURSDAY NIGHT... CAZ056-058-061-062-065-190500- /O.NEW.KSGX.HW.W.0006.180419T0600Z-180420T0900Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 204 PM PDT Wed Apr 18 2018 ...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 2 AM PDT FRIDAY... The National Weather Service in San Diego has issued a High Wind Warning...which is in effect from 11 PM this evening to 2 AM PDT Friday. * Winds...West to southwest 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. * Timing...This evening through Thursday night, with strongest gusts Thursday morning. Strongest winds along desert mountain slopes into adjacent deserts. * Visibility...Less than a mile at times in blowing dust and sand. * Impacts...Difficult driving...especially for motorists with high profile vehicles. Reduced visibilities. Downed trees and power lines. * Outlook...Winds will quickly diminish late Thursday night. 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. && $$ CAZ055-060-190500- /O.NEW.KSGX.WI.Y.0014.180419T0300Z-180420T0600Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 204 PM PDT Wed Apr 18 2018 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 PM PDT THURSDAY... The National Weather Service in San Diego has issued a Wind Advisory...which is in effect from 8 PM this evening to 11 PM PDT Thursday. * Winds...West to southwest 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph. * Timing...Late this evening through early Thursday night, with strongest gusts early tonight and again Thursday evening. Strongest winds along desert mountain slopes into adjacent deserts. * Visibility...Less than a mile at times in blowing dust and sand. * Impacts...Difficult driving...especially for motorists with high profile vehicles. Reduced visibilities. Downed trees limbs and power lines possible. * Outlook...Winds will quickly diminish early Thursday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ JJT
3 follow-up statements
429 WWUS76 KSGX 190421 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 921 PM PDT Wed Apr 18 2018 ...STRONG AND GUSTY WINDS OVER PORTIONS OF THE MOUNTAINS AND DESERTS THROUGH THURSDAY NIGHT... CAZ056-058-061-062-065-191300- /O.CON.KSGX.HW.W.0006.180419T0600Z-180420T0900Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 921 PM PDT Wed Apr 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY... * Winds...West to southwest 25 to 35 mph with gusts to 60 mph. Isolated gusts to 70 mph. Strongest along the desert slopes. * Timing...Through Thursday night, with strongest gusts Thursday morning. * Visibility...Less than a mile at times in blowing dust and sand. * Impacts...Difficult driving, especially for motorists with high profile vehicles. Reduced visibilities. Downed trees and power lines. * Outlook...Winds will diminish Thursday night. 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. && $$ CAZ055-060-191300- /O.CON.KSGX.WI.Y.0014.000000T0000Z-180420T0600Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 921 PM PDT Wed Apr 18 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THURSDAY... * Winds...West to southwest 20 to 30 mph with gusts to 50 mph. Isolated gusts to 60 mph. * Timing...Through Thursday night, with strongest gusts early tonight and again Thursday evening. * Visibility...Less than a mile at times in blowing dust and sand. * Impacts...Difficult driving, especially for motorists with high profile vehicles. Reduced visibilities. Downed trees limbs and power lines possible. * Outlook...Winds will quickly diminish early Thursday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Albright
765 WWUS76 KSGX 191243 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 543 AM PDT Thu Apr 19 2018 ...STRONG AND GUSTY WINDS OVER PORTIONS OF THE MOUNTAINS AND DESERTS THROUGH TONIGHT... CAZ056-058-061-062-065-192100- /O.CON.KSGX.HW.W.0006.000000T0000Z-180420T0900Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 543 AM PDT Thu Apr 19 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY... * Winds...Southwest to west winds 25 to 35 mph with gusts to 55 mph. Isolated gusts to 65 mph. Strongest along the mountain crests and desert slopes. * Timing...Through tonight, strongest this morning. * Visibility...Locally reduced to 5 miles or less in blowing dust and sand. * Impacts...Difficult driving, especially for motorists with high profile vehicles. Reduced visibilities. Downed trees and power lines. * Outlook...Winds will diminish tonight. 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. && $$ CAZ055-060-192100- /O.CON.KSGX.WI.Y.0014.000000T0000Z-180420T0600Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 543 AM PDT Thu Apr 19 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * Winds...Southwest to west winds 20 to 30 mph with gusts to 45 mph. * Timing...Through tonight. Strongest winds during the afternoon. * Visibility...Locally reduced to 5 miles or less in blowing dust in sand. * Impacts...Difficult driving, especially for motorists with high profile vehicles. Reduced visibilities. Downed trees limbs and power lines possible. * Outlook...Winds will quickly diminish this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ SS
995 WWUS76 KSGX 191936 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1236 PM PDT Thu Apr 19 2018 ...STRONG WINDS OVER PORTIONS OF THE MOUNTAINS AND DESERTS THROUGH TONIGHT... CAZ056-058-061-062-065-200600- /O.CON.KSGX.HW.W.0006.000000T0000Z-180420T0900Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 1236 PM PDT Thu Apr 19 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY... * Winds...Southwest to west winds 20 to 30 mph with gusts 35 to 50 mph. Isolated gusts to 60 mph along the desert slopes. * Timing...Through tonight. * Visibility...Locally reduced to 1 mile or less in blowing dust and sand. * Impacts...Difficult driving, especially for motorists with high profile vehicles. Reduced visibilities. Downed trees and power lines. * Outlook...Winds will diminish tonight. 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. && $$ CAZ055-060-200600- /O.CON.KSGX.WI.Y.0014.000000T0000Z-180420T0600Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 1236 PM PDT Thu Apr 19 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * Winds...Southwest to west winds 15 to 25 mph with gusts 35 to 45 mph. * Timing...Through tonight. * Visibility...Locally reduced to 2 miles or less in blowing dust in sand. * Impacts...Difficult driving, especially for motorists with high profile vehicles. Reduced visibilities. * Outlook...Winds will diminish this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ Albright
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 8:24 PM PDT | Small Craft Advisory | SGX | 54 hr | |
| Apr 18, 2:04 PM PDT | Wind Advisory | SGX | San Bernardino | 33 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.