Alert archive / Arizona / Winter Storm Warnings in 2020

Winter Storm Warning 1, NWS Flagstaff, AZ

March 17, 2020Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this winter storm warning at Mar 17, 2020, 2:38 PM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Mar 18, 2020, 6:00 AM MST. It was in force for 24 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: Mar 17, 2020, 2:38 PM MST (21:38 UTC)
In effect from: Mar 18, 2020, 6:00 AM MST
Expired: Mar 19, 2020, 6:00 AM MST
In force: 24 hr
Issued by: NWS Flagstaff, AZ

Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ

The radar

The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 21:38 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 winter storm 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 winter storm warning went out at Mar 17, 10:20 AM MST, 4 hours 18 minutes earlier.

Area forecast discussion, Mar 17, 10:20 AM MST, 4 hours 18 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
Mar 17, 2:38 PM MST	Winter Weather Advisory	FGZ	Gila, Yavapai	39 hr

Nearby

Winter Storm Warnings in Arizona, 2020 Every winter storm warning in 2020

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.