Alert archive / Arizona / Hard Freeze Warnings in 2011

Hard Freeze Warning 9, NWS Tucson, AZ

December 5, 2011Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this hard freeze warning at Dec 5, 2011, 12:56 PM MST for Pima County, Pinal County, Arizona. It took effect at Dec 7, 2011, 2:00 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: Dec 5, 2011, 12:56 PM MST (19:56 UTC)
In effect from: Dec 7, 2011, 2:00 AM MST
Expired: Dec 7, 2011, 8:00 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 19:56 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 Dec 5, 9:10 AM MST, 3 hours 46 minutes earlier.

Area forecast discussion, Dec 5, 9:10 AM MST, 3 hours 46 minutes before

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Hazardous weather outlook, Dec 4, 3:20 PM MST, 21 hours 36 minutes before

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Nearby

Hard Freeze Warnings in Arizona, 2011 Every hard freeze warning in 2011

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.