Alert archive / Maine / Frost Advisories in 2017

Frost Advisory 1, NWS Caribou, ME

May 20, 20174 counties in Maine

NWS Caribou, ME issued this frost advisory at May 20, 2017, 3:38 AM EDT for 4 counties in Maine. It took effect at May 21, 2017, 1:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 20, 2017, 3:38 AM EDT (07:38 UTC)
In effect from
May 21, 2017, 1:00 AM EDT
Expired
May 21, 2017, 6:32 AM EDT
In force
6 hr
Issued by
NWS Caribou, ME

Counties Aroostook County, ME, Penobscot County, ME, Piscataquis County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 67 km from the middle of the area, began a volume at 07:38 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 frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Caribou, ME wrote its last area forecast discussion before this frost advisory went out at May 19, 6:38 PM EDT, 9 hours earlier.

Area forecast discussion, May 19, 6:38 PM EDT, 9 hours before
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Nearby

Frost Advisories in Maine, 2017Every frost advisory 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.