Alert archive / Arizona / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 44, NWS Flagstaff, AZ

September 4, 2017Yavapai County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Sep 4, 2017, 6:16 PM MST for Yavapai County, Arizona. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 4, 2017, 6:16 PM MST (01:16 UTC)
Expired: Sep 4, 2017, 6:45 PM MST
In force: 29 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 01:19 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Sep 4, 3:18 PM MST, 2 hours 58 minutes earlier.

Area forecast discussion, Sep 4, 3:18 PM MST, 2 hours 58 minutes before

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Hazardous weather outlook, Sep 4, 6:11 AM MST, 12 hours 5 minutes before

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In the hours before

Special weather statement, Sep 4, 6:10 PM MST, 6 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
Sep 4, 6:10 PM MST	Special Weather Statement	FGZ		50 min
Sep 5, 12:43 PM MST	Flash Flood Warning	FGZ	Apache	4 hr
Sep 5, 2:15 PM MST	Areal Flood Advisory	FGZ	Yavapai	3 hr
Sep 5, 3:18 PM MST	Special Weather Statement	FGZ		27 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2017 Every severe thunderstorm warning in 2017

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.