Alert archive / Arizona / Wind Advisories in 2021

Wind Advisory 1, NWS Las Vegas, NV

January 15, 2021Mohave County, Arizona; San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Jan 15, 2021, 2:02 PM MST for Mohave County, Arizona; San Bernardino County, California. It took effect at Jan 16, 2021, 9:00 AM MST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 15, 2021, 2:02 PM MST (21:02 UTC)
In effect from
Jan 16, 2021, 9:00 AM MST
Expired
Jan 16, 2021, 6:00 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 21:00 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, 9.0 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 12:00Z on 2021-01-15Temperature 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 12:00Z on 2021-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 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
3075 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

412 
WWUS75 KVEF 152102
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
102 PM PST Fri Jan 15 2021

AZZ002-036-CAZ527-NVZ021-161200-
/O.NEW.KVEF.WI.Y.0001.210116T1600Z-210117T0100Z/
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 Fri Jan 15 2021 /202 PM MST Fri Jan 15 2021/

...WIND ADVISORY IN EFFECT FROM 8 AM PST /9 AM MST/ TO 5 PM PST
/6 PM MST/ SATURDAY...

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

* WHERE...The lower Colorado River Valley from around Katherine
  Landing to Lake Havasu. 

* WHEN...From 8 AM PST /9 AM MST/ to 5 PM PST /6 PM MST/ 
  Saturday.

* 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...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects. Boaters are urged to avoid
the open waters. Stay close to shore or around protected 
areas.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
3 follow-up statements
226 
WWUS75 KVEF 161053
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
253 AM PST Sat Jan 16 2021

AZZ002-036-CAZ527-NVZ021-161900-
/O.CON.KVEF.WI.Y.0001.210116T1600Z-210117T0100Z/
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
253 AM PST Sat Jan 16 2021 /353 AM MST Sat Jan 16 2021/

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM PST /9 AM MST/ THIS
MORNING TO 5 PM PST /6 PM MST/ THIS AFTERNOON...

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

* WHERE...The lower Colorado River Valley from around Katherine 
  Landing to Lake Havasu.

* WHEN...From 8 AM PST /9 AM MST/ to 5 PM PST /6 PM MST/ 
  Saturday.

* 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...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects. Boaters are urged to
avoid the open waters. Stay close to shore or around protected
areas.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
781 
WWUS75 KVEF 161847
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1047 AM PST Sat Jan 16 2021

AZZ002-036-CAZ527-NVZ021-170100-
/O.CON.KVEF.WI.Y.0001.000000T0000Z-210117T0100Z/
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
1047 AM PST Sat Jan 16 2021 /1147 AM MST Sat Jan 16 2021/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST /6 PM MST/ THIS
AFTERNOON...

* WHAT...North winds 20 to 30 mph with gusts up to 45 mph will
  persist through much of the afternoon.

* WHERE...The lower Colorado River Valley from around Katherine 
  Landing to Lake Havasu.

* WHEN...From 8 AM PST /9 AM MST/ to 5 PM PST /6 PM MST/ 
  Saturday.

* 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...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects. Boaters are urged to
avoid the open waters. Stay close to shore or around protected
areas.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/lasvegas
561 
WWUS75 KVEF 170051
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
451 PM PST Sat Jan 16 2021

AZZ002-036-CAZ527-NVZ021-170200-
/O.EXP.KVEF.WI.Y.0001.000000T0000Z-210117T0100Z/
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
451 PM PST Sat Jan 16 2021 /551 PM MST Sat Jan 16 2021/

...WIND ADVISORY WILL EXPIRE AT 5 PM PST /6 PM MST/ THIS
AFTERNOON...

Winds have diminished this afternoon along the Colorado River
Valley. Isolated gusts to 25 mph possible through the evening, but
will remain below advisory criteria. As a result, the Wind 
Advisory will be allowed to expire on time, at 5pm PST and 6pm 
MST.

$$

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

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.