Alert archive / California / Wind Advisories in 2021

Wind Advisory 19, NWS Las Vegas, NV

March 29, 2021San Bernardino County, California; Mohave County, Arizona

NWS Las Vegas, NV issued this wind advisory at Mar 29, 2021, 1:06 AM PDT for San Bernardino County, California; Mohave County, Arizona. It took effect at Mar 30, 2021, 2:00 AM PDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Mar 29, 2021, 1:06 AM PDT (08:06 UTC)
In effect from: Mar 30, 2021, 2:00 AM PDT
Expired: Mar 30, 2021, 8:17 PM PDT
In force: 18 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 08:10 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, 8.1 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3779 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

571 
WWUS75 KVEF 290806
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
106 AM PDT Mon Mar 29 2021

AZZ002-036-CAZ527-NVZ021-292100-
/O.NEW.KVEF.WI.Y.0019.210330T0900Z-210331T0500Z/
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
106 AM PDT Mon Mar 29 2021 /106 AM MST Mon Mar 29 2021/

...WIND ADVISORY IN EFFECT FROM 2 AM PDT /2 AM MST/ TO 10 PM PDT
/10 PM MST/ TUESDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 50 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 2 AM PDT /2 AM MST/ to 10 PM PDT /10 PM MST/ 
  Tuesday.

* IMPACTS...Expect dangerous boating conditions due to high winds
  and waves. Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters in the Wind Advisory area should use extreme caution when
venturing onto area lakes. Strong winds over the open waters will
make the lake water rough and hazardous...and may result in high
waves which may tip or swamp smaller craft. 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

3 follow-up statements

787 
WWUS75 KVEF 292035
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
135 PM PDT Mon Mar 29 2021

AZZ002-036-CAZ527-NVZ021-301200-
/O.CON.KVEF.WI.Y.0019.210330T0900Z-210331T0500Z/
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
135 PM PDT Mon Mar 29 2021 /135 PM MST Mon Mar 29 2021/

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM PDT /2 AM MST/ TO
10 PM PDT /10 PM MST/ TUESDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 50 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 2 AM PDT /2 AM MST/ to 10 PM PDT /10 PM MST/ 
  Tuesday.

* IMPACTS...Expect dangerous boating conditions due to high 
  winds and waves. 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.

&&

$$

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

488 
WWUS75 KVEF 301957
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1257 PM PDT Tue Mar 30 2021

AZZ002-036-CAZ527-NVZ021-310500-
/O.CON.KVEF.WI.Y.0019.000000T0000Z-210331T0500Z/
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
1257 PM PDT Tue Mar 30 2021 /1257 PM MST Tue Mar 30 2021/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM THIS EVENING...

* WHAT...North winds 20 to 30 mph with gusts up to 50 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...Through 10 PM this evening.

* IMPACTS...Expect dangerous boating conditions due to high 
  winds and waves. 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.

&&

$$

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

852 
WWUS75 KVEF 310317
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
817 PM PDT Tue Mar 30 2021

AZZ002-036-CAZ527-NVZ021-310430-
/O.CAN.KVEF.WI.Y.0019.000000T0000Z-210331T0500Z/
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
817 PM PDT Tue Mar 30 2021 /817 PM MST Tue Mar 30 2021/

...WIND ADVISORY IS CANCELLED...

Winds have diminished along the Colorado River Valley this
evening. Though isolated northerly gusts 20-25 mph through
midnight are not out of the question, gusts in excess of 40 mph
have ceased. 

$$

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

Nearby

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