Alert archive / Maine / Winter Weather Advisories in 2021

Winter Weather Advisory 2, NWS Caribou, ME

January 28, 2021Aroostook County, Hancock County, Washington County, Maine

NWS Caribou, ME issued this winter weather advisory at Jan 28, 2021, 11:53 PM EST for Aroostook County, Hancock County, Washington County, Maine. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Jan 28, 2021, 11:53 PM EST (04:53 UTC)
Expired: Jan 29, 2021, 1:00 PM EST
In force: 13 hr
Issued by: NWS Caribou, ME

Counties Aroostook County, ME, Hancock County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 77 km from the middle of the area, began a volume at 04:56 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.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 4.9 hours before the alert went out and 439 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 570 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter weather 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 winter weather advisory went out at Jan 28, 9:32 PM EST, 2 hours 21 minutes earlier.

Area forecast discussion, Jan 28, 9:32 PM EST, 2 hours 21 minutes before

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Hazardous weather outlook, Jan 28, 8:18 PM EST, 3 hours 35 minutes before

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In the hours before

Local storm report, Jan 28, 10:45 PM EST, 1 hour 8 minutes before

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Nearby

Winter Weather Advisories in Maine, 2021 Every winter weather advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.