Alert archive / Arizona / Special Weather Statements in 2021

Special Weather Statement, NWS Flagstaff, AZ

August 1, 2021

NWS Flagstaff, AZ issued this special weather statement at Aug 1, 2021, 3:12 PM MST. It was in force for 33 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: Aug 1, 2021, 3:12 PM MST (22:12 UTC)
Expired: Aug 1, 2021, 3:45 PM MST
In force: 33 min
Issued by: NWS Flagstaff, AZ

The radar

The Flagstaff radar (KFSX), 17 km from the middle of the area, began a volume at 22:14 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 text

As transmitted.

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What forecasters said that day

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

NWS Flagstaff, AZ wrote its last area forecast discussion before this special weather statement went out at Aug 1, 2:23 PM MST, 49 minutes earlier.

Area forecast discussion, Aug 1, 2:23 PM MST, 49 minutes before

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In the hours before

Special weather statement, Aug 1, 1:38 PM MST, 1 hour 34 minutes before

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Special weather statement, Aug 1, 1:53 PM MST, 1 hour 19 minutes before

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Special weather statement, Aug 1, 2:03 PM MST, 1 hour 9 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
303 PM MDT Sun Aug 1 2021

AZZ012-013-012130-
Little Colorado River Valley in Coconino County-Little Colorado River
Valley in Navajo County-
303 PM MDT Sun Aug 1 2021

...A STRONG THUNDERSTORM WILL CONTINUE TO AFFECT THE WINSLOW AREA
UNTIL 230 PM ARIZONA TIME...

At 202 PM Arizona time, Doppler radar was tracking a strong
thunderstorm near Winslow, moving north at 15 mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Winslow.
I-40 near Winslow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3492 11074 3498 11091 3522 11087 3519 11061
TIME...MOT...LOC 2102Z 197DEG 11KT 3504 11079

TM

Special weather statement, Aug 1, 2:26 PM MST, 46 minutes before

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Special weather statement, Aug 1, 2:55 PM MST, 17 minutes before

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Special weather statement, Aug 1, 3:12 PM MST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 5:22 PM MST	Areal Flood Advisory	FGZ	Yavapai	113 min
Jul 31, 6:08 PM MST	Areal Flood Advisory	FGZ	Apache, Navajo	3 hr
Aug 1, 12:03 PM MST	Special Weather Statement	FGZ		27 min
Aug 1, 12:15 PM MST	Special Weather Statement	FGZ		30 min
Aug 1, 12:53 PM MST	Special Weather Statement	FGZ	Coconino	22 min
Aug 1, 1:08 PM MST	Special Weather Statement	FGZ		22 min
Aug 1, 1:14 PM MST	Special Weather Statement	FGZ		31 min
Aug 1, 1:30 PM MST	Special Weather Statement	FGZ	Navajo	30 min
Aug 1, 1:38 PM MST	Special Weather Statement	FGZ	Coconino	22 min
Aug 1, 1:53 PM MST	Special Weather Statement	FGZ		37 min
Aug 1, 2:03 PM MST	Special Weather Statement	FGZ	Navajo	27 min
Aug 1, 2:26 PM MST	Special Weather Statement	FGZ	Navajo	34 min
Aug 1, 2:55 PM MST	Special Weather Statement	FGZ		35 min
Aug 1, 3:15 PM MST	Special Weather Statement	FGZ		30 min
Aug 1, 3:21 PM MST	Special Weather Statement	FGZ		24 min
Aug 1, 3:58 PM MST	Flash Flood Warning	FGZ	Gila, Navajo	3 hr
Aug 1, 4:18 PM MST	Areal Flood Advisory	FGZ	Coconino	3 hr
Aug 1, 4:24 PM MST	Special Weather Statement	FGZ		51 min
Aug 1, 4:38 PM MST	Severe Thunderstorm Warning	FGZ	Apache, Navajo	37 min
Aug 1, 4:51 PM MST	Flash Flood Warning	FGZ	Gila, Navajo	3 hr
Aug 1, 4:52 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Apache, Coconino, Navajo	3 hr

Nearby

Special Weather Statements in Arizona, 2021 Every special weather statement 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.