Alert archive / California / Dust Storm Warnings in 2021
Dust Storm Warning 2, NWS Phoenix, AZ
NWS Phoenix, AZ issued this dust storm warning at Mar 15, 2021, 6:17 PM PDT for Imperial County, California. It was in force for 88 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 15, 2021, 6:17 PM PDT (01:17 UTC)
- Expired
- Mar 15, 2021, 7:45 PM PDT
- In force
- 88 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
County Imperial County, CA
The radar
The San Diego radar (KNKX), 107 km from the middle of the area, began a volume at 01:17 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 00:00Z, 1.3 hours before the alert went out and 125 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
- 2 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
216
WWUS55 KPSR 160119
DSWPSR
BULLETIN - EAS ACTIVATION REQUESTED
Dust Storm Warning
National Weather Service Phoenix AZ
617 PM PDT Mon Mar 15 2021
CAC025-160245-
/O.NEW.KPSR.DS.W.0002.210316T0117Z-210316T0245Z/
Imperial CA-
617 PM PDT Mon Mar 15 2021
The National Weather Service in Phoenix has issued a
* Dust Storm Warning for...
Northwestern Imperial County in southeastern California...
* Until 745 PM PDT.
* At 617 PM PDT, a dust channel was 9 miles southeast of Salton City,
moving toward the east.
HAZARD...Near zero visibility with strong wind in excess of 40
mph.
SOURCE...Law enforcement.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
CA Route 78 between mile markers 1 and 20.
CA Route 111 between mile markers 21 and 48, and between mile
markers 57 and 61.
CA Route 86 between mile markers 20 and 67.
Locations impacted include...
Brawley, Salton City, Westmorland, Salton Sea Beach, Desert Shores,
Bombay Beach, Calipatria, Niland, Winona, Alamorio, Coolidge Springs
and Wiest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, pull off the road, turn off your lights and keep your
foot off the brake.
&&
LAT...LON 3308 11609 3312 11608 3342 11609 3343 11593
3329 11549 3295 11541 3299 11605 3307 11611
TIME...MOT...LOC 0117Z 278DEG 6KT 3317 11582
$$
INS2 follow-up statements
277
WWUS55 KPSR 160224
DSWPSR
Dust Storm Warning
National Weather Service Phoenix AZ
723 PM PDT Mon Mar 15 2021
CAC025-160245-
/O.CON.KPSR.DS.W.0002.000000T0000Z-210316T0245Z/
Imperial CA-
723 PM PDT Mon Mar 15 2021
...A DUST STORM WARNING REMAINS IN EFFECT UNTIL 745 PM PDT FOR
NORTHWESTERN IMPERIAL COUNTY...
At 723 PM PDT, a dust channel was near Salton City, moving toward
the east.
HAZARD...Near zero visibility with strong wind in excess of 40
mph.
SOURCE...Law enforcement.
IMPACT...Dangerous life-threatening travel.
This includes the following highways...
CA Route 78 between mile markers 1 and 13.
CA Route 86 between mile markers 29 and 67.
Locations impacted include...
Salton City, Salton Sea Beach, Desert Shores, Coolidge Springs and
Winona.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, then pull off the road, turn off your lights and keep
your foot off the brake.
&&
LAT...LON 3308 11609 3312 11608 3342 11609 3343 11601
3335 11593 3302 11562 3306 11610 3306 11611
TIME...MOT...LOC 0223Z 282DEG 2KT 3320 11591
$$
INS651
WWUS55 KPSR 160237
DSWPSR
Dust Storm Warning
National Weather Service Phoenix AZ
737 PM PDT Mon Mar 15 2021
CAC025-160247-
/O.EXP.KPSR.DS.W.0002.000000T0000Z-210316T0245Z/
Imperial CA-
737 PM PDT Mon Mar 15 2021
...THE DUST STORM WARNING FOR NORTHWESTERN IMPERIAL COUNTY WILL
EXPIRE AT 745 PM PDT...
The dust storm which prompted the warning has weakened. Therefore,
the dust storm warning will be allowed to expire. Areas of blowing
dust will continue to make travel difficult.
LAT...LON 3308 11609 3312 11608 3342 11609 3343 11601
3335 11593 3302 11562 3306 11610 3306 11611
TIME...MOT...LOC 0237Z 278DEG 6KT 3320 11589
$$
INSThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 11:33 PM PDT | Wind Advisory | PSR | Imperial | 7 hr |
Nearby
Dust Storm Warnings in California, 2021Every dust storm warning 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.