Alert archive / Maine / Winter Storm Warnings in 2020

Winter Storm Warning 8, NWS Caribou, ME

May 8, 2020Aroostook County, Washington County, Maine

NWS Caribou, ME issued this winter storm warning at May 8, 2020, 3:51 PM EDT for Aroostook County, Washington County, Maine. It took effect at May 9, 2020, 6:00 AM EDT. It was in force for 19 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: May 8, 2020, 3:51 PM EDT (19:51 UTC)
In effect from: May 9, 2020, 6:00 AM EDT
Expired: May 10, 2020, 12:36 AM EDT
In force: 19 hr
Issued by: NWS Caribou, ME

Counties Aroostook County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 34 km from the middle of the area, began a volume at 19:53 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 12:00Z, 7.9 hours before the alert went out and 485 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: 1280 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 242 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 storm warning 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 storm warning went out at May 8, 12:45 PM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, May 8, 12:45 PM EDT, 3 hours 6 minutes before

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Hazardous weather outlook, May 8, 3:29 PM EDT, 22 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 8, 4:26 AM EDT	Winter Weather Advisory	CAR	Aroostook, Penobscot, Piscataquis, Somerset, Washington	42 hr
May 8, 4:30 AM EDT	Coastal Flood Statement	CAR	Hancock, Washington	23 hr
May 8, 3:30 PM EDT	Gale Warning	CAR		45 hr

Nearby

Winter Storm Warnings in Maine, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.