Alert archive / Arizona / Flash Flood Warnings in 2022

Flash Flood Warning 106, NWS Phoenix, AZ

August 12, 2022Yuma County, Arizona; Imperial County, California

NWS Phoenix, AZ issued this flash flood warning at Aug 12, 2022, 11:00 AM MST for Yuma County, Arizona; Imperial County, California. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 12, 2022, 11:00 AM MST (18:00 UTC)
Expired: Aug 12, 2022, 2:50 PM MST
In force: 4 hr
Issued by: NWS Phoenix, AZ
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Yuma County, AZ, Imperial County, CA

The radar

The Yuma radar (KYUX), 46 km from the middle of the area, began a volume at 18:03 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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this flash flood warning went out at Aug 12, 5:41 AM MST, 5 hours 19 minutes earlier.

Area forecast discussion, Aug 12, 5:41 AM MST, 5 hours 19 minutes before

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In the hours before

Special weather statement, Aug 12, 9:36 AM MST, 1 hour 24 minutes before

Special Weather Statement
National Weather Service Phoenix AZ
936 AM MST Fri Aug 12 2022

AZZ532-CAZ565-121715-
Yuma AZ-Imperial County Southeast CA-
936 AM MST Fri Aug 12 2022

...A strong thunderstorm will impact portions of west central Yuma
and southeastern Imperial Counties through 1015 AM MST/1015 AM
PDT/...

At 935 AM MST/935 AM PDT/, Doppler radar was tracking a strong
thunderstorm over Yuma, moving northwest at 15 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Yuma, Winterhaven, Araby, Algodones Dunes and Andrade.

This includes the following highways...
AZ Interstate 8 between mile markers 1 and 8.
AZ Route 95 between mile markers 29 and 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3264 11477 3272 11472 3271 11475 3270 11493
      3272 11498 3295 11482 3273 11447 3258 11459
TIME...MOT...LOC 1635Z 120DEG 14KT 3270 11463

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Feldkircher

Special weather statement, Aug 12, 9:44 AM MST, 1 hour 16 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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Special weather statement, Aug 12, 10:17 AM MST, 43 minutes before

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The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 11, 5:48 PM MST	Severe Thunderstorm Warning	PSR	La Paz	19 min
Aug 11, 6:06 PM MST	Severe Thunderstorm Warning	PSR	La Paz	21 min
Aug 11, 6:11 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	3 hr
Aug 11, 6:16 PM MST	Special Weather Statement	PSR		44 min
Aug 11, 6:45 PM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz	3 hr
Aug 12, 8:56 AM MST	Flood Watch	PSR	Gila, La Paz, Maricopa, Pinal, Yuma	62 hr
Aug 12, 9:36 AM MST	Special Weather Statement	PSR		39 min
Aug 12, 9:44 AM MST	Special Weather Statement	PSR	La Paz	46 min
Aug 12, 10:17 AM MST	Special Weather Statement	PSR		43 min
Aug 12, 10:25 AM MST	Flash Flood Warning Considerable damage threat	PSR	La Paz, Yuma	4 hr
Aug 12, 10:32 AM MST	Areal Flood Advisory	PSR	Yuma	4 hr
Aug 12, 11:51 AM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	69 min
Aug 12, 12:15 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	4 hr
Aug 12, 12:50 PM MST	Dust Storm Advisory	PSR	Maricopa, Pinal	85 min
Aug 12, 1:05 PM MST	Special Weather Statement	PSR	Maricopa	40 min
Aug 12, 1:06 PM MST	Special Weather Statement	PSR	Pinal	39 min
Aug 12, 1:20 PM MST	Flash Flood Warning Considerable damage threat	PSR	Pinal	3 hr
Aug 12, 1:26 PM MST	Dust Storm Warning	PSR	Maricopa, Pinal	53 min
Aug 12, 1:38 PM MST	Severe Thunderstorm Warning	PSR	Pinal	37 min
Aug 12, 1:41 PM MST	Dust Storm Warning	PSR	Pinal	64 min
Aug 12, 1:44 PM MST	Special Weather Statement	PSR		46 min
Aug 12, 1:47 PM MST	Special Weather Statement	PSR	Gila	43 min
Aug 12, 1:53 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	37 min
Aug 12, 1:55 PM MST	Severe Thunderstorm Warning	PSR	Pinal	50 min
Aug 12, 1:56 PM MST	Severe Thunderstorm Warning	PSR	Pinal	18 min
Aug 12, 1:59 PM MST	Dust Storm Warning	PSR	Maricopa, Pinal	61 min
Aug 12, 2:03 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	42 min
Aug 12, 2:04 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Aug 12, 2:07 PM MST	Special Weather Statement	PSR	Gila	53 min
Aug 12, 2:11 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	49 min
Aug 12, 2:12 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Aug 12, 2:23 PM MST	Special Weather Statement	PSR	Pinal	52 min
Aug 12, 2:30 PM MST	Special Weather Statement	PSR		45 min
Aug 12, 2:36 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	39 min
Aug 12, 2:48 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	42 min
Aug 12, 2:50 PM MST	Severe Thunderstorm Warning	PSR	Gila	40 min
Aug 12, 2:52 PM MST	Flash Flood Warning Considerable damage threat	PSR	Pinal	2 hr
Aug 12, 2:57 PM MST	Special Weather Statement	PSR		63 min
Aug 12, 2:58 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	2 hr
Aug 12, 3:03 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	42 min
Aug 12, 3:09 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	2 hr
Aug 12, 3:18 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	42 min
Aug 12, 3:21 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Aug 12, 3:23 PM MST	Dust Storm Warning	PSR	Maricopa, Pinal	37 min
Aug 12, 3:29 PM MST	Special Weather Statement	PSR	Gila	46 min
Aug 12, 3:32 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	2 hr
Aug 12, 3:37 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	38 min
Aug 12, 3:55 PM MST	Flash Flood Warning	PSR	Maricopa	3 hr
Aug 12, 3:56 PM MST	Special Weather Statement	PSR	Maricopa	64 min
Aug 12, 3:57 PM MST	Dust Storm Advisory	PSR	Maricopa, Pinal	63 min
Aug 12, 3:59 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	93 min
Aug 12, 4:06 PM MST	Special Weather Statement	PSR	Yuma	84 min
Aug 12, 4:22 PM MST	Flash Flood Warning	PSR	Maricopa	66 min
Aug 12, 4:26 PM MST	Severe Thunderstorm Warning	PSR	La Paz, Maricopa	49 min
Aug 12, 4:30 PM MST	Dust Storm Advisory	PSR	Yuma	2 hr
Aug 12, 4:31 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila	58 min
Aug 12, 4:42 PM MST	Dust Storm Advisory	PSR	La Paz, Maricopa, Yuma	63 min
Aug 12, 4:50 PM MST	Special Weather Statement	PSR		55 min
Aug 11, 5:04 PM MST	Special Weather Statement	PSR	Riverside	41 min
Aug 11, 5:30 PM MST	Flash Flood Warning Considerable damage threat	PSR	Riverside	3 hr
Aug 11, 5:45 PM MST	Severe Thunderstorm Warning	PSR	Riverside	45 min
Aug 11, 6:43 PM MST	Flash Flood Warning Considerable damage threat	PSR	Riverside	3 hr

Nearby

Flash Flood Warnings in Arizona, 2022 Flash Flood Warnings in California, 2022 Every flash flood warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.