Alert archive / California / Lake Wind Advisories in 2021
Lake Wind Advisory 13, NWS Las Vegas, NV
NWS Las Vegas, NV issued this lake wind advisory at Dec 16, 2021, 12:14 PM PST for San Bernardino County, California; Mohave County, Arizona. It took effect at Dec 17, 2021, 8:00 AM PST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Dec 16, 2021, 12:14 PM PST (20:14 UTC)
- In effect from
- Dec 17, 2021, 8:00 AM PST
- Expired
- Dec 17, 2021, 7:00 PM PST
- In force
- 11 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 20:12 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 12:00Z, 8.2 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
- 1714 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
296 WWUS75 KVEF 162014 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 1214 PM PST Thu Dec 16 2021 AZZ002-036-CAZ527-NVZ021-171200- /O.NEW.KVEF.LW.Y.0013.211217T1600Z-211218T0300Z/ 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 1214 PM PST Thu Dec 16 2021 /114 PM MST Thu Dec 16 2021/ ...LAKE WIND ADVISORY IN EFFECT FROM 8 AM PST /9 AM MST/ TO 7 PM PST /8 PM MST/ FRIDAY... * WHAT...North winds 20 to 30 mph with gusts up to 40 mph expected. Elevated wave heights up to 3 feet will be possible. * WHERE...In Arizona, Lake Havasu and Fort Mohave and Lake Mead National Recreation Area. In California, San Bernardino County- Upper Colorado River Valley. In Nevada, Lake Mead National Recreation Area. * WHEN...From 8 AM PST /9 AM MST/ to 7 PM PST /8 PM MST/ Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ For more information from the National Weather Service visit https://weather.gov/lasvegas
2 follow-up statements
170 WWUS75 KVEF 171149 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 349 AM PST Fri Dec 17 2021 AZZ002-036-CAZ527-NVZ021-180300- /O.CON.KVEF.LW.Y.0013.211217T1600Z-211218T0300Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 349 AM PST Fri Dec 17 2021 /449 AM MST Fri Dec 17 2021/ ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ THIS MORNING TO 7 PM PST /8 PM MST/ THIS EVENING... * WHAT...North winds 20 to 30 mph with gusts up to 40 mph expected. Elevated wave heights up to 3 feet will be possible on Lake Mohave. * WHERE...Lake Mead, Lake Mohave, and Lake Havasu. * WHEN...From 8 AM PST /9 AM MST/ to 7 PM PST /8 PM MST/ Friday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Strongest winds expected from Cottonwood Cove down through Laughlin and Bullhead City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ For more information from the National Weather Service visit https://weather.gov/lasvegas
494 WWUS75 KVEF 180248 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 648 PM PST Fri Dec 17 2021 AZZ002-036-CAZ527-NVZ021-180400- /O.EXP.KVEF.LW.Y.0013.000000T0000Z-211218T0300Z/ 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 648 PM PST Fri Dec 17 2021 /748 PM MST Fri Dec 17 2021/ ...LAKE WIND ADVISORY WILL EXPIRE AT 7 PM PST /8 PM MST/ THIS EVENING... Wind gusts have diminished within the lower Colorado River Valley. North winds of 15 to 25 mph are forecast to continue tonight. The lake wind advisory will be allowed to expire. $$ For more information from the National Weather Service visit https://weather.gov/lasvegas
Nearby
Lake Wind Advisories in California, 2021Lake Wind Advisories in Arizona, 2021Lake Wind Advisories in Nevada, 2021Every lake wind advisory 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.