Alert archive / Arizona / Wind Advisories in 2021

Wind Advisory 11, NWS Las Vegas, NV

February 27, 2021Mohave County, Arizona; San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Feb 27, 2021, 2:43 AM MST for Mohave County, Arizona; San Bernardino County, California. It took effect at Feb 28, 2021, 5:00 AM MST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2021, 2:43 AM MST (09:43 UTC)
In effect from
Feb 28, 2021, 5:00 AM MST
Expired
Feb 28, 2021, 2:02 PM MST
In force
9 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, 9.7 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.

Skew-T log-pSkew-T log-p diagram, Las Vegas, NV at 00:00Z on 2021-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 00:00Z on 2021-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4806 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
307 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

981 
WWUS75 KVEF 270943
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
143 AM PST Sat Feb 27 2021

NVZ014-272300-
/O.NEW.KVEF.WI.Y.0010.210227T1700Z-210228T0200Z/
Esmeralda and Central Nye County-
Including Beatty, Goldfield, Silver Peak, and Dyer
143 AM PST Sat Feb 27 2021

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM PST
THIS EVENING...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Esmeralda and Central Nye County.

* WHEN...From 9 AM this morning to 6 PM PST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

AZZ002-036-CAZ527-NVZ021-272300-
/O.NEW.KVEF.WI.Y.0011.210228T1200Z-210301T0200Z/
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
143 AM PST Sat Feb 27 2021 /243 AM MST Sat Feb 27 2021/

...WIND ADVISORY IN EFFECT FROM 4 AM PST /5 AM MST/ TO 6 PM PST
/7 PM MST/ SUNDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* 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 4 AM PST /5 AM MST/ to 6 PM PST /7 PM MST/ Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Wave heights up to 3 feet will be 
  possible on area lakes resulting in hazardous boating 
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
4 follow-up statements
218 
WWUS75 KVEF 271653
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
853 AM PST Sat Feb 27 2021

NVZ014-280200-
/O.CON.KVEF.WI.Y.0010.210227T1700Z-210228T0200Z/
Esmeralda and Central Nye County-
Including Beatty, Goldfield, Silver Peak, and Dyer
853 AM PST Sat Feb 27 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Esmeralda and Central Nye County.

* WHEN...Until 6 PM PST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

AZZ002-036-CAZ527-NVZ021-280200-
/O.CON.KVEF.WI.Y.0011.210228T1200Z-210301T0200Z/
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
853 AM PST Sat Feb 27 2021 /953 AM MST Sat Feb 27 2021/

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM PST /5 AM MST/ TO
6 PM PST /7 PM MST/ SUNDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* 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 4 AM PST /5 AM MST/ to 6 PM PST /7 PM MST/ Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Wave heights up to 3 feet will be 
  possible on area lakes resulting in hazardous boating 
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Morgan

For more information from the National Weather Service visit
https://weather.gov/lasvegas
387 
WWUS75 KVEF 280153
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
553 PM PST Sat Feb 27 2021

NVZ014-280300-
/O.EXP.KVEF.WI.Y.0010.000000T0000Z-210228T0200Z/
Esmeralda and Central Nye County-
Including Beatty, Goldfield, Silver Peak, and Dyer
553 PM PST Sat Feb 27 2021

...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING...

Winds have decreased to below hazardous levels this evening.
Expect winds to continue to diminish overnight, with northwest
winds gusting 25 to 35 MPH through about midnight.

$$

AZZ002-036-CAZ527-NVZ021-281400-
/O.CON.KVEF.WI.Y.0011.210228T1200Z-210301T0200Z/
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 Feb 27 2021 /653 PM MST Sat Feb 27 2021/

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM PST /5 AM MST/ TO
6 PM PST /7 PM MST/ SUNDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* 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 4 AM PST /5 AM MST/ to 6 PM PST /7 PM MST/ Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Wave heights up to 3 feet will be 
  possible on area lakes resulting in hazardous boating 
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
738 
WWUS75 KVEF 281120
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
320 AM PST Sun Feb 28 2021

AZZ002-036-CAZ527-NVZ021-010200-
/O.CON.KVEF.WI.Y.0011.210228T1200Z-210301T0200Z/
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
320 AM PST Sun Feb 28 2021 /420 AM MST Sun Feb 28 2021/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST /7 PM MST/ THIS
EVENING...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* 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 4 AM PST /5 AM MST/ to 6 PM PST /7 PM MST/ Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...Wave heights 1 to 3 feet will be possible 
  on area lakes resulting in hazardous boating conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
259 
WWUS75 KVEF 282102
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
102 PM PST Sun Feb 28 2021

AZZ002-036-CAZ527-NVZ021-282215-
/O.CAN.KVEF.WI.Y.0011.000000T0000Z-210301T0200Z/
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
102 PM PST Sun Feb 28 2021 /202 PM MST Sun Feb 28 2021/

...WIND ADVISORY IS CANCELLED...

Winds in the Colorado River Valley have not been as strong as
expected, with peak gusts around 35 mph. Therefore, the Wind 
Advisory has been cancelled.

Dangerous boating conditions may still exist, particularly on Lake
Mohave.

$$

Morgan

For more information from the National Weather Service visit
https://weather.gov/lasvegas

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 2:43 AM MSTWind AdvisoryVEFEsmeralda, Nye16 hr

Nearby

Wind Advisories in Arizona, 2021Wind Advisories in California, 2021Wind Advisories in Nevada, 2021Every 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.