Alert archive / Arizona / Flash Flood Warnings in 2024

Flash Flood Warning 27, NWS Phoenix, AZ

July 25, 2024Gila County, Maricopa County, Pinal County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 25, 2024, 4:42 PM MST for Gila County, Maricopa County, Pinal County, Arizona. It was in force for 3 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: Jul 25, 2024, 4:42 PM MST (23:42 UTC)
Expired: Jul 25, 2024, 7:45 PM MST
In force: 3 hr
Issued by: NWS Phoenix, AZ
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Gila County, AZ, Maricopa County, AZ, Pinal County, AZ

The radar

The Phoenix radar (KIWA), 13 km from the middle of the area, began a volume at 23:46 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 Jul 25, 2:18 PM MST, 2 hours 24 minutes earlier.

Area forecast discussion, Jul 25, 2:18 PM MST, 2 hours 24 minutes before

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In the hours before

Special weather statement, Jul 25, 3:02 PM MST, 1 hour 40 minutes before

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Special weather statement, Jul 25, 4:05 PM MST, 37 minutes before

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Special weather statement, Jul 25, 4:29 PM MST, 13 minutes before

Special Weather Statement
National Weather Service Phoenix AZ
429 PM MST Thu Jul 25 2024

AZZ545-547-557-260015-
New River Mesa AZ-Mazatzal Mountains AZ-Rio Verde/Salt River AZ-
429 PM MST Thu Jul 25 2024

...A STRONG THUNDERSTORM WILL IMPACT MARICOPA COUNTY THROUGH 515 PM
MST...

At 429 PM MST, Doppler radar was tracking a strong thunderstorm over
Horseshoe Reservoir, or 13 miles northwest of Sycamore Creek. This
thunderstorm was nearly stationary.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Horseshoe Reservoir.

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.

If on or near Horseshoe Lake, get out of the water and move indoors
or inside a vehicle. Remember, lightning can strike out to 10 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.

&&

LAT...LON 3400 11175 3400 11152 3396 11149 3388 11158
      3385 11179 3401 11183
TIME...MOT...LOC 2329Z 335DEG 1KT 3401 11170

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

SDB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 5:27 PM MST	Special Weather Statement	PSR		63 min
Jul 24, 5:31 PM MST	Severe Thunderstorm Warning	PSR	Gila	44 min
Jul 24, 5:38 PM MST	Areal Flood Advisory	PSR	Gila, Maricopa	3 hr
Jul 24, 6:30 PM MST	Special Weather Statement	PSR	Pinal	30 min
Jul 24, 6:44 PM MST	Severe Thunderstorm Warning	PSR	Pinal	31 min
Jul 24, 6:59 PM MST	Special Weather Statement	PSR	Maricopa	31 min
Jul 24, 7:36 PM MST	Special Weather Statement	PSR	Pinal	39 min
Jul 24, 7:41 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	21 min
Jul 24, 7:57 PM MST	Special Weather Statement	PSR	Maricopa	33 min
Jul 24, 7:59 PM MST	Special Weather Statement	PSR	Pinal	31 min
Jul 24, 8:08 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	52 min
Jul 24, 8:20 PM MST	Severe Thunderstorm Warning	PSR	Pinal	40 min
Jul 24, 8:27 PM MST	Dust Storm Warning	PSR	Maricopa, Pinal	63 min
Jul 24, 8:52 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	38 min
Jul 24, 9:03 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	26 min
Jul 24, 9:17 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	43 min
Jul 24, 9:27 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	48 min
Jul 24, 9:47 PM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	3 hr
Jul 24, 9:49 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	41 min
Jul 24, 9:59 PM MST	Special Weather Statement	PSR	Maricopa	61 min
Jul 24, 10:25 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	35 min
Jul 24, 10:37 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	38 min
Jul 24, 11:09 PM MST	Areal Flood Advisory	PSR	Maricopa	3 hr
Jul 24, 11:14 PM MST	Special Weather Statement	PSR	Maricopa	46 min
Jul 25, 3:02 PM MST	Special Weather Statement	PSR	Gila	118 min
Jul 25, 3:25 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	50 min
Jul 25, 3:43 PM MST	Areal Flood Advisory	PSR	Gila	64 min
Jul 25, 4:00 PM MST	Areal Flood Advisory	PSR	Maricopa	20 min
Jul 25, 4:05 PM MST	Special Weather Statement	PSR		40 min
Jul 25, 4:08 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa	52 min
Jul 25, 4:15 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	18 min
Jul 25, 4:20 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Jul 25, 4:29 PM MST	Special Weather Statement	PSR		46 min
Jul 25, 4:54 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa	51 min
Jul 25, 4:58 PM MST	Areal Flood Advisory	PSR	Gila	3 hr

Nearby

Flash Flood Warnings in Arizona, 2024 Every flash flood warning in 2024

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.