Alert archive / California / Wind Advisories in 2018

Wind Advisory 13, NWS Phoenix, AZ

April 28, 2018Imperial County, San Bernardino County, California

NWS Phoenix, AZ issued this wind advisory at Apr 28, 2018, 1:36 PM PDT for Imperial County, San Bernardino County, California. It took effect at Apr 29, 2018, 2:00 PM PDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 28, 2018, 1:36 PM PDT (20:36 UTC)
In effect from
Apr 29, 2018, 2:00 PM PDT
Expired
Apr 30, 2018, 2:00 AM PDT
In force
12 hr
Issued by
NWS Phoenix, AZ

Counties Imperial County, CA, San Bernardino County, CA

The radar

The San Diego radar (KNKX), 164 km from the middle of the area, began a volume at 20:42 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

San Diego, CA (KNKX), launched 12:00Z, 8.6 hours before the alert went out and 184 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, San Diego, CA at 12:00Z on 2018-04-28Temperature 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, San Diego, CA at 12:00Z on 2018-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
967 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

360 
WWUS75 KPSR 282036
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
136 PM MST Sat Apr 28 2018

CAZ562-566-290845-
/O.NEW.KPSR.WI.Y.0013.180429T2100Z-180430T0900Z/
Imperial County Southwest-Imperial County West-
Including the cities of Mountain Spring, Coolidge Springs, 
Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City
136 PM PDT Sat Apr 28 2018

...WIND ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 AM PDT MONDAY...

The National Weather Service in Phoenix has issued a Wind
Advisory, which is in effect from 2 PM Sunday to 2 AM PDT Monday.

* AFFECTED AREA...Southwest Imperial County including Interstate
  8.

* TIMING...Sunday afternoon into Sunday night.

* WINDS...West winds 30 to 35 mph with localized gusts 40 to 50 
  mph.

* IMPACTS...Dangerous driving conditions will exist for high
  profiles vehicles. In addition, areas of dense blowing dust are
  possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

CAZ560-290845-
/O.NEW.KPSR.WI.Y.0013.180429T2100Z-180430T0300Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
136 PM PDT Sat Apr 28 2018

...WIND ADVISORY IN EFFECT FROM 2 PM TO 8 PM PDT SUNDAY...

The National Weather Service in Phoenix has issued a Wind
Advisory, which is in effect from 2 PM to 8 PM PDT Sunday. 

* AFFECTED AREA...The western parts of Joshua Tree National Park.

* TIMING...Sunday afternoon and early evening.

* WINDS...West winds near 30 mph with gusts 40 to 45 mph.

* IMPACTS...Dense blowing dust is possible which will make driving
  extremely hazardous. Lightweight camping items may be easily
  blown away. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
4 follow-up statements
354 
WWUS75 KPSR 291031
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
331 AM MST Sun Apr 29 2018

CAZ567-292245-
/O.EXA.KPSR.WI.Y.0013.180429T2100Z-180430T0900Z/
Imperial Valley-
Including the cities of El Centro, Calexico, Alamorio, 
and Brawley
331 AM PDT Sun Apr 29 2018

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM PDT
MONDAY...

The National Weather Service in Phoenix has issued a Wind
Advisory, which is in effect from 2 PM this afternoon to 2 AM PDT
Monday. 

* AFFECTED AREA...The Imperial Valley including El Centro and
  Brawley. 

* TIMING...Very strong winds develop during the latter half of
  this afternoon before weakening after midnight.

* WINDS...West winds 30 to 35 mph with gusts 40 to 50 mph.
  

* IMPACTS...Dangerous driving conditions due to suddenly reduced
  visibility at times in blowing dust. Also, handling will be 
  more difficult...especially for high profile vehicles on north- 
  south oriented roads. 
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

CAZ562-566-292245-
/O.CON.KPSR.WI.Y.0013.180429T2100Z-180430T0900Z/
Imperial County Southwest-Imperial County West-
Including the cities of Mountain Spring, Coolidge Springs, 
Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City
331 AM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
2 AM PDT MONDAY...

* AFFECTED AREA...Southwest Imperial County including Interstate 8
  and Highway 86. 

* TIMING...Winds strengthen this afternoon and continue through
  the evening before weakening after midnight.

* WINDS...West winds 30 to 35 mph with gusts 40 to 50 mph.
  

* IMPACTS...Dangerous driving conditions due to suddenly reduced
  visibility at times in blowing dust. Also, handling will be more
  difficult...especially for high profile vehicles on north- south
  oriented roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

CAZ560-292245-
/O.CON.KPSR.WI.Y.0013.180429T2100Z-180430T0300Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
331 AM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...

* AFFECTED AREA...Mainly western portions of Joshua Tree National
  Park.

* TIMING...Mid afternoon through early evening.

* WINDS...West winds near 30 mph with gusts 40 to 45 mph.

* IMPACTS...Dangerous driving conditions due to localized dense
  blowing dust and more difficult handling...especially for high
  profile vehicles. Recreational activities including camping and
  rock climbing will be hindered. 
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
840 
WWUS75 KPSR 292109
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
209 PM MST Sun Apr 29 2018

CAZ567-300900-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-180430T0900Z/
Imperial Valley-
Including the cities of El Centro, Calexico, Alamorio, 
and Brawley
209 PM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY...

* AFFECTED AREA...The Imperial Valley including El Centro and 
  Brawley. 

* TIMING...Strong winds will peak late this afternoon and early
  evening before weakening after midnight.

* WINDS...West winds 25 to 35 mph with gusts 40 to 45 mph.

* IMPACTS...Dangerous driving conditions due to suddenly reduced 
  visibility at times in blowing dust. Also, handling will be 
  more difficult...especially for high profile vehicles on 
  north- south oriented roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

CAZ562-566-300900-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-180430T0900Z/
Imperial County Southwest-Imperial County West-
Including the cities of Mountain Spring, Coolidge Springs, 
Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City
209 PM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY...

* AFFECTED AREA...Southwest Imperial County including Interstate 
  8 and Highway 86. 

* TIMING...Strong winds will persist into this evening before 
  weakening after midnight. 

* WINDS...West winds 30 to 35 mph with gusts 40 to 50 mph.

* IMPACTS...Dangerous driving conditions due to suddenly reduced 
  visibility at times in blowing dust. Also, handling will be 
  more difficult...especially for high profile vehicles on 
  north- south oriented roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

CAZ560-300300-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-180430T0300Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
209 PM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* AFFECTED AREA...Mainly western portions of Joshua Tree 
  National Park. 

* TIMING...Today through early evening.

* WINDS...West winds near 30 mph with gusts 40 to 45 mph.

* IMPACTS...Dangerous driving conditions due to localized dense 
  blowing dust and more difficult handling...especially for high 
  profile vehicles. Recreational activities including camping 
  and rock climbing will be hindered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
900 
WWUS75 KPSR 300255
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
755 PM MST Sun Apr 29 2018

CAZ560-300400-
/O.EXP.KPSR.WI.Y.0013.000000T0000Z-180430T0300Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
755 PM PDT Sun Apr 29 2018

...WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING...

It remains breezy to locally windy across portions of Joshua Tree
National Park this evening but overall winds remain below advisory
criteria and will likely remain below criteria into Monday
morning. As a result, the Wind Advisory will be allowed to expire
at 8 pm. Locally gusty west winds will persist for a few more
hours but speeds should stay mostly below 30 mph.

$$

CAZ567-300900-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-180430T0900Z/
Imperial Valley-
Including the cities of El Centro, Calexico, Alamorio, 
and Brawley
755 PM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY...

* AFFECTED AREA...The Imperial Valley including El Centro and 
  Brawley. 

* TIMING...Strong winds will peak late this afternoon and early 
  evening before weakening after midnight. 

* WINDS...West winds 25 to 35 mph with gusts 40 to 45 mph.

* IMPACTS...Dangerous driving conditions due to suddenly reduced 
  visibility at times in blowing dust. Also, handling will be 
  more difficult...especially for high profile vehicles on 
  north- south oriented roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

CAZ562-566-300900-
/O.CON.KPSR.WI.Y.0013.000000T0000Z-180430T0900Z/
Imperial County Southwest-Imperial County West-
Including the cities of Mountain Spring, Coolidge Springs, 
Salton City, Winona, Coyote Wells, Ocotillo, and Plaster City
755 PM PDT Sun Apr 29 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT MONDAY...

* AFFECTED AREA...Southwest Imperial County including Interstate 
  8 and Highway 86. 

* TIMING...Strong winds will persist into this evening before 
  weakening after midnight. 

* WINDS...West winds 30 to 35 mph with gusts 40 to 50 mph.

* IMPACTS...Dangerous driving conditions due to suddenly reduced 
  visibility at times in blowing dust. Also, handling will be 
  more difficult...especially for high profile vehicles on 
  north- south oriented roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
316 
WWUS75 KPSR 300929
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
229 AM MST Mon Apr 30 2018

CAZ562-566-567-301030-
/O.EXP.KPSR.WI.Y.0013.000000T0000Z-180430T0900Z/
Imperial County Southwest-Imperial County West-Imperial Valley-
Including the cities of Mountain Spring, Coolidge Springs, 
Salton City, Winona, Coyote Wells, Ocotillo, Plaster City, 
El Centro, Calexico, Alamorio, and Brawley
229 AM PDT Mon Apr 30 2018

...WIND ADVISORY HAS EXPIRED...

Winds in the Advisory area have decreased below Advisory 
levels and thus the Advisory was allowed to expire. Lingering
breeziness will continue and the Mountain Springs grade pass along
Interstate 8 will still be windy.

$$

Nearby

Wind Advisories in California, 2018Every wind advisory in 2018

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.