Alert archive / Maine / Wind Chill Advisories in 2017

Wind Chill Advisory 3, NWS Caribou, ME

February 9, 20174 counties in Maine

NWS Caribou, ME issued this wind chill advisory at Feb 9, 2017, 11:11 PM EST for 4 counties in Maine. It took effect at Feb 10, 2017, 12:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Feb 9, 2017, 11:11 PM EST (04:11 UTC)
In effect from: Feb 10, 2017, 12:00 AM EST
Expired: Feb 10, 2017, 9:51 AM EST
In force: 10 hr
Issued by: NWS Caribou, ME

Counties Aroostook County, ME, Penobscot County, ME, Piscataquis County, ME, Somerset County, ME

The radar

The Caribou radar (KCBW), 104 km from the middle of the area, began a volume at 04:17 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

Gray, ME (KGYX), launched 00:00Z, 4.2 hours before the alert went out and 236 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: 58 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 10 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 wind chill 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 wind chill advisory went out at Feb 9, 9:57 PM EST, 1 hour 14 minutes earlier.

Area forecast discussion, Feb 9, 9:57 PM EST, 1 hour 14 minutes before

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Hazardous weather outlook, Feb 9, 5:05 PM EST, 6 hours 6 minutes before

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In the hours before

Local storm report, Feb 9, 7:24 PM EST, 3 hours 47 minutes before

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Special weather statement, Feb 9, 8:07 PM EST, 3 hours 4 minutes before

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Local storm report, Feb 9, 8:08 PM EST, 3 hours 3 minutes before

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Local storm report, Feb 9, 8:37 PM EST, 2 hours 34 minutes before

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Local storm report, Feb 9, 9:47 PM EST, 1 hour 24 minutes before

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Local storm report, Feb 9, 11:00 PM EST, 11 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 9, 8:07 PM EST	Special Weather Statement	CAR	Hancock, Washington	68 min
Feb 10, 1:55 AM EST	Winter Weather Advisory	CAR	Hancock, Penobscot, Washington	14 hr
Feb 10, 6:04 AM EST	Small Craft Advisory	CAR		13 hr
Feb 10, 3:19 PM EST	Storm Watch	CAR		25 hr
Feb 10, 4:12 PM EST	Winter Storm Watch	CAR	Aroostook, Hancock, Penobscot, Piscataquis, Washington	24 hr

Nearby

Wind Chill Advisories in Maine, 2017 Every wind chill 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.