Alert archive / California / Wind Advisories in 2017
Wind Advisory 27, NWS Las Vegas, NV
NWS Las Vegas, NV issued this wind advisory at Apr 20, 2017, 2:45 AM PDT for San Bernardino County, California; Mohave County, Arizona. It took effect at Apr 21, 2017, 8:00 AM PDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2017, 2:45 AM PDT (09:45 UTC)
- In effect from
- Apr 21, 2017, 8:00 AM PDT
- Expired
- Apr 21, 2017, 3:00 PM PDT
- In force
- 7 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 09:48 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, 9.8 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
- 3100 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
707 WWUS75 KVEF 200945 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 245 AM PDT Thu Apr 20 2017 AZZ002-036-CAZ527-NVZ021-202200- /O.NEW.KVEF.WI.Y.0027.170421T1500Z-170421T2200Z/ 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 245 AM PDT Thu Apr 20 2017 /245 AM MST Thu Apr 20 2017/ ...WIND ADVISORY IN EFFECT FROM 8 AM PDT /8 AM MST/ TO 3 PM PDT /3 PM MST/ FRIDAY... The National Weather Service in Las Vegas has issued a Wind Advisory, which is in effect from 8 AM to 3 PM PDT Friday. * TIMING...Winds will begin to increase just after sunrise and remain until around 3 PM, with strongest winds occuring in the morning period...8 AM to 11 AM. * WINDS...Sustained winds will likely be 25 to 35 mph with occasional gusts in 40 to 45 mph range. Impact areas will be primarily from Cottonwood Cove on Lake Mohave extending to Laughlin, Bullhead City, and Needles. * IMPACTS...Winds will make driving difficult for motorcycles...large trucks...trailers and campers. Strong winds over the open waters will make the lake water rough and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your personal safety...use extra caution while driving, especially for high profile vehicles. Boaters are urged to avoid open waters and stay close to shore or around protected areas. && $$
3 follow-up statements
252 WWUS75 KVEF 202123 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 223 PM PDT Thu Apr 20 2017 AZZ002-036-CAZ527-NVZ021-211200- /O.CON.KVEF.WI.Y.0027.170421T1500Z-170421T2200Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 223 PM PDT Thu Apr 20 2017 /223 PM MST Thu Apr 20 2017/ ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ TO 3 PM PDT /3 PM MST/ FRIDAY... * TIMING...Winds will begin to increase just after sunrise and remain until around 3 PM, with strongest winds occuring in the morning period...8 AM to 11 AM. * WINDS...Sustained winds will likely be 25 to 35 mph with occasional gusts in 40 to 45 mph range. Impact areas will be primarily from Cottonwood Cove on Lake Mohave extending to Laughlin, Bullhead City, and Needles. * IMPACTS...Winds will make driving difficult for motorcycles... large trucks...trailers and campers. Strong winds over the open waters will make the lake water rough and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your personal safety...use extra caution while driving, especially for high profile vehicles. Boaters are urged to avoid open waters and stay close to shore or around protected areas. && $$
954 WWUS75 KVEF 211155 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 455 AM PDT Fri Apr 21 2017 AZZ002-036-CAZ527-NVZ021-212200- /O.CON.KVEF.WI.Y.0027.170421T1500Z-170421T2200Z/ 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 455 AM PDT Fri Apr 21 2017 /455 AM MST Fri Apr 21 2017/ ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PDT /8 AM MST/ THIS MORNING TO 3 PM PDT /3 PM MST/ THIS AFTERNOON... * TIMING...Winds will begin to increase just after sunrise and remain until around 3 PM, with strongest winds occuring in the morning period...8 AM to 11 AM. * WINDS...Sustained winds will likely be 25 to 35 mph with occasional gusts in 40 to 45 mph range. Impact areas will be primarily from Cottonwood Cove on Lake Mohave extending to Laughlin, Bullhead City, and Needles. * IMPACTS...Winds will make driving difficult for motorcycles... large trucks...trailers and campers. Strong winds over the open waters will make the lake water rough and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your personal safety...use extra caution while driving, especially for high profile vehicles. Boaters are urged to avoid open waters and stay close to shore or around protected areas. && $$
521 WWUS75 KVEF 212134 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 234 PM PDT Fri Apr 21 2017 AZZ002-036-CAZ527-NVZ021-212245- /O.EXP.KVEF.WI.Y.0027.000000T0000Z-170421T2200Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 234 PM PDT Fri Apr 21 2017 /234 PM MST Fri Apr 21 2017/ ...WIND ADVISORY WILL EXPIRE AT 3 PM PDT /3 PM MST/ THIS AFTERNOON... Wind advisory will expire as scheduled, locally gusty conditions will continue into this evening. $$
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 9:14 AM PDT | Red Flag Warning | VEF | San Bernardino | 35 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.