Alert archive / California / Lake Wind Advisories in 2021
Lake Wind Advisory 2, NWS Las Vegas, NV
NWS Las Vegas, NV issued this lake wind advisory at Jan 8, 2021, 2:31 AM PST for San Bernardino County, California; Mohave County, Arizona. It took effect at Jan 9, 2021, 8:00 AM PST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 8, 2021, 2:31 AM PST (10:31 UTC)
- In effect from
- Jan 9, 2021, 8:00 AM PST
- Expired
- Jan 9, 2021, 6:00 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 10:30 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, 10.5 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
- 3324 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
199 WWUS75 KVEF 081031 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 231 AM PST Fri Jan 8 2021 AZZ002-036-CAZ527-NVZ021-090000- /O.NEW.KVEF.LW.Y.0002.210109T1600Z-210110T0200Z/ 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 231 AM PST Fri Jan 8 2021 /331 AM MST Fri Jan 8 2021/ ...LAKE WIND ADVISORY IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SATURDAY... * WHAT...North winds 10 to 20 mph with gusts up to 30 mph across Lake Mead. North winds 15 to 25 mph with gusts up to 40 mph across Lake Mohave and Lake Havasu. * WHERE...Lake Mead, Lake Mohave, and Lake Havasu. * WHEN...From 8 AM PST /9 AM MST/ to 6 PM PST /7 PM MST/ Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...The strongest winds will be focused across Lake Mohave and Lake Havasu which may result in elevated wave heights of 2 to 3 feet. Lesser wind impacts are expected across Lake Mead. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ For more information from the National Weather Service visit https://weather.gov/lasvegas
3 follow-up statements
280 WWUS75 KVEF 082338 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 338 PM PST Fri Jan 8 2021 AZZ002-036-CAZ527-NVZ021-091600- /O.CON.KVEF.LW.Y.0002.210109T1600Z-210110T0200Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 338 PM PST Fri Jan 8 2021 /438 PM MST Fri Jan 8 2021/ ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ TO 6 PM PST /7 PM MST/ SATURDAY... * WHAT...North winds 10 to 20 mph with gusts up to 30 mph across Lake Mead. North winds 15 to 25 mph with gusts up to 40 mph across Lake Mohave and Lake Havasu. * WHERE...Lake Mead, Lake Mohave, and Lake Havasu. * WHEN...From 8 AM PST /9 AM MST/ to 6 PM PST /7 PM MST/ Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...The strongest winds will be focused across Lake Mohave and Lake Havasu which may result in elevated wave heights of 2 to 3 feet. Lesser wind impacts are expected across Lake Mead. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ For more information from the National Weather Service visit https://weather.gov/lasvegas
157 WWUS75 KVEF 091533 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 733 AM PST Sat Jan 9 2021 AZZ002-036-CAZ527-NVZ021-100200- /O.CON.KVEF.LW.Y.0002.210109T1600Z-210110T0200Z/ 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 733 AM PST Sat Jan 9 2021 /833 AM MST Sat Jan 9 2021/ ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS EVENING... * WHAT...North winds around 25 mph with gusts up to 40 mph expected. * WHERE...In Nevada, Lake Mead National Recreation Area. In California, San Bernardino County-Upper Colorado River Valley. In Arizona, Lake Mead National Recreation Area and Lake Havasu and Fort Mohave. * WHEN...Until 6 PM PST /7 PM MST/ this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...The strongest winds will likely be on Lake Mohave and Lake Havasu, resulting in 2 to 3 foot waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ Morgan For more information from the National Weather Service visit https://weather.gov/lasvegas
688 WWUS75 KVEF 100153 NPWVEF URGENT - WEATHER MESSAGE National Weather Service Las Vegas NV 553 PM PST Sat Jan 9 2021 AZZ002-036-CAZ527-NVZ021-100300- /O.EXP.KVEF.LW.Y.0002.000000T0000Z-210110T0200Z/ Lake Havasu and Fort Mohave-Lake Mead National Recreation Area- San Bernardino County-Upper Colorado River Valley- Including Lake Havasu City, Desert Hills, Topock, Bullhead City, Oatman, Mohave Valley, Needles, Hoover Dam, and Laughlin 553 PM PST Sat Jan 9 2021 /653 PM MST Sat Jan 9 2021/ ...LAKE WIND ADVISORY WILL EXPIRE AT 6 PM PST /7 PM MST/ THIS EVENING... Winds have diminished this evening down the Colorado River Valley, but some gusts up to 25 mph will remain into the evening hours. Therefore, the lake wind advisory will be allowed to expire on time. $$ 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.