Alert archive / California / High Wind Watches in 2021
High Wind Watch 3, NWS Las Vegas, NV
NWS Las Vegas, NV issued this high wind watch at Apr 12, 2021, 2:57 AM PDT for Inyo County, San Bernardino County, California. It took effect at Apr 13, 2021, 11:00 AM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 12, 2021, 2:57 AM PDT (09:57 UTC)
- In effect from
- Apr 13, 2021, 11:00 AM PDT
- Expired
- Apr 12, 2021, 1:47 PM PDT
- In force
- Issued by
- NWS Las Vegas, NV
Counties Inyo County, CA, San Bernardino County, CA
The radar
The Edwards AFB radar (KEYX), 95 km from the middle of the area, began a volume at 10:01 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
Las Vegas, NV (KVEF), launched 00:00Z, 10.0 hours before the alert went out and 137 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
- 5061 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
149 WWUS75 KVEF 120957 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 257 AM PDT Mon Apr 12 2021 CAZ519-130000- /O.NEW.KVEF.HW.A.0003.210413T1800Z-210414T0500Z/ Eastern Sierra Slopes- Including Aspendell and Whitney Portal 257 AM PDT Mon Apr 12 2021 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 70 mph possible. * WHERE...Eastern Sierra Slopes above 5000 ft. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. The very high wind gusts will result in a danger for hikers, campers, or anyone recreating in the higher elevations of the eastern Sierra in Inyo County. * ADDITIONAL DETAILS...This watch highlights the areas of the highest potential wind gusts on Tuesday. Lesser wind gusts, but still strong, are likely in nearby locations such as the Owens Valley where gusts up to 50 mph may be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CAZ523-130000- /O.NEW.KVEF.HW.A.0003.210413T1800Z-210414T0500Z/ Western Mojave Desert- Including Barstow, Daggett, and Fort Irwin 257 AM PDT Mon Apr 12 2021 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Western Mojave Desert. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Some power outages are possible. Travel could be difficult, especially for high profile vehicles due to potential blowovers and due to blowing dust reducing visibility. * ADDITIONAL DETAILS...This watch highlights the areas of the highest potential wind gusts on Tuesday. Lesser wind gusts, but still strong, are likely in several surrounding locations Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/lasvegas
1 follow-up statement
003 WWUS75 KVEF 122047 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 147 PM PDT Mon Apr 12 2021 A low pressure system will move across the Great Basin Tuesday, bringing strong west to southwest winds across the region. CAZ519-131200- /O.UPG.KVEF.HW.A.0003.210413T1800Z-210414T0500Z/ /O.NEW.KVEF.HW.W.0003.210413T1800Z-210414T0500Z/ Eastern Sierra Slopes- Including the cities of Aspendell and Whitney Portal 147 PM PDT Mon Apr 12 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 10 PM PDT TUESDAY... The National Weather Service in Las Vegas has issued a High Wind Warning, which is in effect from 11 AM to 10 PM PDT Tuesday. The High Wind Watch is no longer in effect. * WHAT...West winds 40 to 50 mph with gusts up to 70 mph possible. * WHERE...Eastern Sierra Slopes above 5000 ft. * WHEN...From late Tuesday morning through Tuesday evening. * TIMING...Winds will increase late morning Tuesday, peaking during the mid afternoon hours and continuing through the evening. * WINDS...30 to 40 mph wind will be common with gusts over 70 mph in the higher terrain. * Impacts...Damaging winds could blow down trees and power lines. Power outages are possible. The very high wind gusts will result in a danger for hikers, campers, or anyone recreating in the higher elevations of the eastern Sierra in Inyo County. * ADDITIONAL DETAILS...This watch highlights the areas of the highest potential wind gusts on Tuesday. Lesser wind gusts, but still strong, are likely in nearby locations such as the Owens Valley where gusts up to 60 mph may be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. A High Wind Warning means a hazardous high wind event is expected or occurring. Strong winds can make driving dangerous...rapidly reduce visibility in dust prone areas and lead to property damage. && $$ CAZ520-131200- /O.NEW.KVEF.HW.W.0003.210413T1800Z-210414T0500Z/ Owens Valley- Including the cities of Bishop, Independence, Lone Pine, and Olancha 147 PM PDT Mon Apr 12 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 10 PM PDT TUESDAY... The National Weather Service in Las Vegas has issued a High Wind Warning, which is in effect from 11 AM to 10 PM PDT Tuesday. * TIMING...Wind will increase late morning Tuesday, peaking during the mid afternoon hours and continuing through the evening. * WINDS...Winds of 35 to 45 mph will be common, particularly in the lower Owens Valley. Gusts to 60 mph are possible. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Large and high profile vehicles on U.S. 395 will be subject to strong crosswinds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Strong winds can make driving dangerous...rapidly reduce visibility in dust prone areas and lead to property damage. && $$ CAZ523-131200- /O.UPG.KVEF.HW.A.0003.210413T1800Z-210414T0500Z/ /O.NEW.KVEF.WI.Y.0021.210413T1800Z-210414T0500Z/ Western Mojave Desert- Including the cities of Barstow, Daggett, and Fort Irwin 147 PM PDT Mon Apr 12 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT TUESDAY... The National Weather Service in Las Vegas has issued a Wind Advisory, which is in effect from 11 AM to 10 PM PDT Tuesday. The High Wind Watch is no longer in effect. * WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph possible. * WHERE...Western Mojave Desert. * WHEN...Late Tuesday morning through Tuesday evening. * TIMING...Wind will increase late morning Tuesday, peaking during the mid afternoon hours and continuing through the evening. * WINDS...Winds of 25 to 35 mph will be common with occasional gusts to 55 mph. * IMPACTS...Locally damaging winds could blow down trees and power lines. Some power outages are possible. Travel could be difficult, especially for high profile vehicles. There will be reduced visibility in areas prone to blowing dust. * ADDITIONAL DETAILS...This watch highlights the areas of the highest potential wind gusts on Tuesday. Lesser wind gusts, but still strong, are likely in several surrounding locations Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. A Wind Advisory means strong winds gusting over 40 mph can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ AZZ001-036-CAZ521-522-524-NVZ014-016>022-131200- /O.NEW.KVEF.WI.Y.0021.210413T1800Z-210414T0500Z/ Northwest Plateau-Lake Mead National Recreation Area- White Mountains of Inyo County-Death Valley National Park- Eastern Mojave Desert-Esmeralda and Central Nye County- Northeast Clark County-Western Clark and Southern Nye County- Sheep Range-Spring Mountains-Red Rock Canyon-Las Vegas Valley- Southern Clark County- Including the cities of Colorado City, Pipe Spring National Monument, Tuweep, Mt Trumbull, Western Grand Canyon, Bullhead City, Oatman, Mohave Valley, Westgard Pass, Bristlecone Pine, Furnace Creek, Stovepipe Wells, Shoshone, Baker, Mountain Pass, Mitchell Caverns, Beatty, Goldfield, Silver Peak, Dyer, Mesquite, Overton, Moapa, Pahrump, Indian Springs, Desert Rock, Amargosa Valley, Hayford Pk, The Town Of Mt Charleston, Red Rock Canyon, Las Vegas, North Las Vegas, Henderson, Boulder City, Hoover Dam, Laughlin, Primm, Searchlight, and Cal-Nev-Ari 147 PM PDT Mon Apr 12 2021 /147 PM MST Mon Apr 12 2021/ ...WIND ADVISORY IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 10 PM PDT /10 PM MST/ TUESDAY... The National Weather Service in Las Vegas has issued a Wind Advisory, which is in effect from 11 AM PDT /11 AM MST/ to 10 PM PDT /10 PM MST/ Tuesday. * TIMING...Wind will increase late morning Tuesday, peaking during the mid afternoon hours and continuing through the evening. * WINDS...Winds of 25 to 35 mph will be common with occasional gusts to 55 mph. * IMPACTS...Locally damaging winds could blow down trees and power lines. Some power outages are possible. Travel could be difficult, especially for high profile vehicles. There will be reduced visibility in areas prone to blowing dust. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means strong winds gusting over 40 mph can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 1:47 PM PDT | High Wind Warning | VEF | Inyo, San Bernardino | 36 hr |
| Apr 12, 1:47 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 36 hr |
| Apr 12, 1:48 PM PDT | Red Flag Warning | VEF | Inyo, San Bernardino, Tulare | 32 hr |
Nearby
High Wind Watches in California, 2021Every high wind watch in 2021
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.