Alert archive / Arizona / Special Weather Statements in 2021

Special Weather Statement, NWS Flagstaff, AZ

September 2, 2021Yavapai County, Arizona

NWS Flagstaff, AZ issued this special weather statement at Sep 2, 2021, 11:53 AM MST for Yavapai County, Arizona. It was in force for 22 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: Sep 2, 2021, 11:53 AM MST (18:53 UTC)
Expired: Sep 2, 2021, 12:15 PM MST
In force: 22 min
Issued by: NWS Flagstaff, AZ
Hail: 0.75 in
Wind: 30

County Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 104 km from the middle of the area, began a volume at 18:54 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 Sep 2, 9:09 AM MST, 2 hours 44 minutes earlier.

Area forecast discussion, Sep 2, 9:09 AM MST, 2 hours 44 minutes before

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In the hours before

Local storm report, Sep 2, 9:47 AM MST, 2 hours 6 minutes before

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Local storm report, Sep 2, 9:50 AM MST, 2 hours 3 minutes before

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Local storm report, Sep 2, 10:12 AM MST, 1 hour 41 minutes before

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Local storm report, Sep 2, 10:37 AM MST, 1 hour 16 minutes before

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Local storm report, Sep 2, 10:39 AM MST, 1 hour 14 minutes before

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Special weather statement, Sep 2, 11:53 AM MST, 0 minutes before

Special Weather Statement
National Weather Service Flagstaff AZ
1153 AM MST Thu Sep 2 2021

AZZ008-037-021915-
Yavapai County Valleys and Basins-Yavapai County  Mountains-
1153 AM MST Thu Sep 2 2021

...A strong thunderstorm will impact portions of Yavapai County
through 1215 PM MST...

At 1151 AM MST, Doppler radar was tracking a strong thunderstorm near
Yavapai County Fairgrounds, or near Prescott Valley. This storm was
nearly stationary.

HAZARD...Winds in excess of 30 mph and penny size 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...
Prescott Valley, Yavapai County Fairgrounds, Prescott Airport and
Prescott Valley Event Center.

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.

&&

LAT...LON 3449 11236 3465 11246 3475 11231 3456 11217
TIME...MOT...LOC 1851Z 241DEG 3KT 3461 11234

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH

DB

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 5:00 PM MST	Areal Flood Advisory	FGZ	Coconino	2 hr
Sep 1, 5:10 PM MST	Special Weather Statement	FGZ		50 min
Sep 1, 5:42 PM MST	Areal Flood Advisory	FGZ	Apache, Navajo	3 hr
Sep 1, 5:52 PM MST	Special Weather Statement	FGZ		38 min
Sep 1, 6:17 PM MST	Special Weather Statement	FGZ		43 min
Sep 1, 6:52 PM MST	Special Weather Statement	FGZ		38 min
Sep 2, 1:24 PM MST	Flash Flood Warning	FGZ	Yavapai	3 hr
Sep 2, 1:54 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	51 min
Sep 2, 2:31 PM MST	Areal Flood Advisory	FGZ	Coconino, Gila, Navajo	3 hr
Sep 2, 2:48 PM MST	Areal Flood Advisory	FGZ	Coconino	3 hr
Sep 2, 3:39 PM MST	Areal Flood Advisory	FGZ	Coconino	111 min

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.