Alert archive / Arizona / Hard Freeze Warnings in 2015

Hard Freeze Warning 2, NWS Tucson, AZ

January 1, 2015Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this hard freeze warning at Jan 1, 2015, 5:20 AM MST for Pima County, Pinal County, Arizona. It took effect at Jan 3, 2015, 3:00 AM MST. It was in force for 6 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: Jan 1, 2015, 5:20 AM MST (12:20 UTC)
In effect from: Jan 3, 2015, 3:00 AM MST
Expired: Jan 3, 2015, 9:00 AM MST
In force: 6 hr
Issued by: NWS Tucson, AZ

Counties Pima County, AZ, Pinal County, AZ

The radar

The Phoenix radar (KIWA), 88 km from the middle of the area, began a volume at 12:19 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 hard freeze warning 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 hard freeze warning went out at Jan 1, 2:45 AM MST, 2 hours 35 minutes earlier.

Area forecast discussion, Jan 1, 2:45 AM MST, 2 hours 35 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
Dec 31, 9:07 PM MST	Hard Freeze Warning	TWC	Pima, Pinal	36 hr
Jan 1, 1:01 AM MST	Frost Advisory	TWC	Pima, Pinal, Santa Cruz	8 hr

Nearby

Hard Freeze Warnings in Arizona, 2015 Every hard freeze warning in 2015

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.