Alert archive / California / Wind Advisories in 2017
Wind Advisory 48, NWS Las Vegas, NV
NWS Las Vegas, NV issued this wind advisory at Nov 18, 2017, 3:38 AM PST for San Bernardino County, California; Mohave County, Arizona. It took effect at Nov 18, 2017, 4:00 AM PST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Nov 18, 2017, 3:38 AM PST (11:38 UTC)
- In effect from
- Nov 18, 2017, 4:00 AM PST
- Expired
- Nov 18, 2017, 2:19 PM PST
- In force
- 10 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, San Bernardino County, CA
The radar
The Las Vegas radar (KESX), 48 km from the middle of the area, began a volume at 11:36 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, 11.6 hours before the alert went out and 133 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
- 2577 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
132 WWUS75 KVEF 181138 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 338 AM PST Sat Nov 18 2017 AZZ002-036-CAZ527-NVZ021-181945- /O.NEW.KVEF.WI.Y.0048.171118T1200Z-171119T0000Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 338 AM PST Sat Nov 18 2017 /438 AM MST Sat Nov 18 2017/ ...WIND ADVISORY IN EFFECT UNTIL 4 PM PST /5 PM MST/ THIS AFTERNOON... The National Weather Service in Las Vegas has issued a Wind Advisory, which is in effect until 4 PM PST /5 PM MST/ this afternoon. * TIMING...Gusty winds will remain this morning and peak between 7 AM PST /8 AM MST/ and 9 AM PST /10 AM MST/ then decrease through the afternoon. * WINDS...North winds 25-30 MPH with gusts around 35-45 MPH. The strongest wind gusts will primarily affect areas south of Cottonwood Cove. * IMPACTS...Strong winds will create crosswinds making driving difficult. Unsecured objects such as trash cans will be blown around. Choppy water and increased wave heights will lead hazardous boating conditions, primarily across Lake Mohave and Lake Havasu. 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. && $$ AZZ003-NVZ017-181945- /O.NEW.KVEF.FZ.A.0001.171119T0500Z-171119T1400Z/ Northwest Deserts-Western Clark and Southern Nye County- Including Kingman, Golden Valley, Dolan Springs, Valentine, Wikieup, Yucca, Pahrump, Indian Springs, Desert Rock, and Amargosa Valley 338 AM PST Sat Nov 18 2017 /438 AM MST Sat Nov 18 2017/ ...FREEZE WATCH IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT... The National Weather Service in Las Vegas has issued a Freeze Watch, which is in effect from this evening through late tonight. * TEMPERATURES...30 to 32 degrees. * IMPACTS...Near freezing temperature may damage or kill sensitive crops. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Watch means sub-freezing temperatures are possible. These conditions could kill crops and other sensitive vegetation. Preparations should be made to protect exposed outdoor water pipes. && $$
2 follow-up statements
230 WWUS75 KVEF 181815 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1015 AM PST Sat Nov 18 2017 AZZ003-NVZ017-190215- /O.UPG.KVEF.FZ.A.0001.171119T0500Z-171119T1400Z/ /O.NEW.KVEF.FZ.W.0002.171119T0600Z-171119T1600Z/ Northwest Deserts-Western Clark and Southern Nye County- Including Kingman, Golden Valley, Dolan Springs, Valentine, Wikieup, Yucca, Pahrump, Indian Springs, Desert Rock, and Amargosa Valley 1015 AM PST Sat Nov 18 2017 /1115 AM MST Sat Nov 18 2017/ ...FREEZE WARNING IN EFFECT FROM 10 PM PST /11 PM MST/ THIS EVENING TO 8 AM PST /9 AM MST/ SUNDAY... The National Weather Service in Las Vegas has issued a Freeze Warning, which is in effect from 10 PM PST /11 PM MST/ this evening to 8 AM PST /9 AM MST/ Sunday. The Freeze Watch is no longer in effect. * TEMPERATURE...Falling to 25 to 32 degrees. * Impacts...This will be the first widespread freeze of the season for Kingman and surrounding areas; as well as the Pahrump Valley. People should take precautions now to protect any plants sensitive to freezing temperatures and protect any exposed pipes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. Bring pets indoors to protect them from the cold. Steps should be taken to protect exposed outdoor water pipes && $$ AZZ002-036-CAZ527-NVZ021-190000- /O.CON.KVEF.WI.Y.0048.000000T0000Z-171119T0000Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 1015 AM PST Sat Nov 18 2017 /1115 AM MST Sat Nov 18 2017/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST /5 PM MST/ THIS AFTERNOON... * TIMING...Gusty winds will continue this morning then decrease through the afternoon. * WINDS...North winds 25-30 MPH with gusts around 35-45 MPH. The strongest wind gusts will primarily affect areas south of Cottonwood Cove. * IMPACTS...Strong winds will create crosswinds making driving difficult. Unsecured objects such as trash cans will be blown around. Choppy water and increased wave heights will lead hazardous boating conditions, primarily across Lake Mohave and Lake Havasu. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means strong winds gusting over 40 mph can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
304 WWUS75 KVEF 182219 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 219 PM PST Sat Nov 18 2017 AZZ002-036-CAZ527-NVZ021-182330- /O.CAN.KVEF.WI.Y.0048.000000T0000Z-171119T0000Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 219 PM PST Sat Nov 18 2017 /319 PM MST Sat Nov 18 2017/ ...WIND ADVISORY IS CANCELLED... The National Weather Service in Las Vegas has cancelled the Wind Advisory. The north wind within the lower Colorado River Valley has started to decrease this afternoon. That decreasing trend will continue into early evening so the Wind Advisory has been cancelled. $$ AZZ003-NVZ017-190615- /O.CON.KVEF.FZ.W.0002.171119T0600Z-171119T1600Z/ Northwest Deserts-Western Clark and Southern Nye County- Including Kingman, Golden Valley, Dolan Springs, Valentine, Wikieup, Yucca, Pahrump, Indian Springs, Desert Rock, and Amargosa Valley 219 PM PST Sat Nov 18 2017 /319 PM MST Sat Nov 18 2017/ ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM PST /11 PM MST/ THIS EVENING TO 8 AM PST /9 AM MST/ SUNDAY... The Freeze Watch is no longer in effect. * TEMPERATURE...Falling to 25 to 32 degrees. * Impacts...This will be the first widespread freeze of the season for Kingman and surrounding areas; as well as the Pahrump Valley. People should take precautions now to protect any plants sensitive to freezing temperatures and protect any exposed pipes. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. Bring pets indoors to protect them from the cold. Steps should be taken to protect exposed outdoor water pipes && $$
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 3:38 AM PST | Freeze Watch | VEF | 7 hr | |
| Nov 18, 10:15 AM PST | Freeze Warning | VEF | 22 hr |
Nearby
Wind Advisories in California, 2017Wind Advisories in Arizona, 2017Wind Advisories in Nevada, 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.