Alert archive / Arizona / Areal Flood Advisories in 2021

Areal Flood Advisory 35, NWS Tucson, AZ

July 14, 2021Pinal County, Arizona

NWS Tucson, AZ issued this areal flood advisory at Jul 14, 2021, 10:53 AM MST for Pinal County, Arizona. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 14, 2021, 10:53 AM MST (17:53 UTC)
Expired: Jul 14, 2021, 2:00 PM MST
In force: 3 hr
Issued by: NWS Tucson, AZ
Area: Storm-based polygon

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 52 km from the middle of the area, began a volume at 17:53 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 areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this areal flood advisory went out at Jul 14, 9:57 AM MST, 56 minutes earlier.

Area forecast discussion, Jul 14, 9:57 AM MST, 56 minutes before

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In the hours before

Special weather statement, Jul 14, 6:39 AM MST, 4 hours 14 minutes before

Special Weather Statement
National Weather Service Tucson AZ
639 AM MST Wed Jul 14 2021

AZZ502-504>506-141430-
Tohono O'odham Nation including Sells-Southeast Pinal County
including Kearny/Mammoth/Oracle-Tucson Metro Area including
Tucson/Green Valley/Marana/Vail-South Central Pinal County including
Eloy/Picacho Peak State Park-
639 AM MST Wed Jul 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL PIMA AND PINAL
COUNTIES UNTIL 730 AM MST...

At 638 AM MST, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles south of Top Of The World to 16 miles
southwest of Chui-Chu. Movement was southeast at 35 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Eloy, Kearny, Dudleyville, Picacho, Chui-Chu, Picacho Peak State
Park, Red Rock, Cactus Forest, Cockleburr, North Komelik, Kohatk,
Jack Rabbit, Shopishk, Kelvin and East Chui-Chu.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall is also occurring with these storms, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3290 11071 3221 11184 3268 11220 3268 11216
      3270 11215 3273 11209 3272 11205 3275 11205
      3277 11200 3277 11188 3279 11187 3279 11178
      3273 11174 3276 11161 3286 11151 3324 11094
TIME...MOT...LOC 1338Z 335DEG 31KT 3325 11098 3260 11203

Local storm report, Jul 14, 8:17 AM MST, 2 hours 36 minutes before

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Local storm report, Jul 14, 9:32 AM MST, 1 hour 21 minutes before

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Local storm report, Jul 14, 10:32 AM MST, 21 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 5:11 PM MST	Areal Flood Advisory	TWC	Cochise	2 hr
Jul 14, 3:51 AM MST	Areal Flood Advisory	TWC	Pinal	114 min
Jul 14, 4:27 AM MST	Flash Flood Warning	TWC	Pinal	2 hr
Jul 14, 5:56 AM MST	Areal Flood Advisory	TWC	Pima, Pinal	2 hr
Jul 14, 6:28 AM MST	Flash Flood Warning	TWC	Pima, Pinal	3 hr
Jul 14, 6:39 AM MST	Special Weather Statement	TWC	Pinal	51 min
Jul 14, 7:11 AM MST	Flash Flood Warning	TWC	Pima	3 hr
Jul 14, 7:15 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 14, 7:54 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pinal	3 hr
Jul 14, 8:59 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 14, 9:09 AM MST	Areal Flood Advisory	TWC	Pima, Pinal	3 hr
Jul 14, 9:22 AM MST	Flash Flood Warning Considerable damage threat	TWC	Pima, Pinal	3 hr

Nearby

Areal Flood Advisories in Arizona, 2021 Every areal flood 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; radar from the NEXRAD Level II archive.