Alert archive / Maine / Wind Chill Advisories in 2013

Wind Chill Advisory 2, NWS Gray, ME

January 20, 2013Franklin County, Oxford County, Somerset County, Maine; Coos County, New Hampshire

NWS Gray, ME issued this wind chill advisory at Jan 20, 2013, 3:20 PM EST for Franklin County, Oxford County, Somerset County, Maine; Coos County, New Hampshire. It took effect at Jan 21, 2013, 1:00 AM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jan 20, 2013, 3:20 PM EST (20:20 UTC)
In effect from: Jan 21, 2013, 1:00 AM EST
Expired: Jan 21, 2013, 6:23 AM EST
In force: 5 hr
Issued by: NWS Gray, ME

Counties Franklin County, ME, Oxford County, ME, Somerset County, ME, Coos County, NH

The radar

The Portland,ME radar (KGYX), 118 km from the middle of the area, began a volume at 20:20 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

Caribou, ME (KCAR), launched 12:00Z, 8.3 hours before the alert went out and 297 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: 498 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 796 m²/s²
0-3 km storm-relative helicity: 889 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 Gray, ME wrote its last area forecast discussion before this wind chill advisory went out at Jan 20, 3:18 PM EST, 2 minutes earlier.

Area forecast discussion, Jan 20, 3:18 PM EST, 2 minutes before

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Hazardous weather outlook, Jan 20, 2:52 PM EST, 28 minutes before

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In the hours before

Special weather statement, Jan 20, 9:43 AM EST, 5 hours 37 minutes before

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Special weather statement, Jan 20, 10:43 AM EST, 4 hours 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 20, 3:51 AM EST	Storm Warning	GYX		11 hr
Jan 20, 4:02 AM EST	Wind Advisory	GYX	Androscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more	15 hr
Jan 20, 9:43 AM EST	Special Weather Statement	GYX	Oxford	62 min
Jan 20, 10:43 AM EST	Special Weather Statement	GYX	Franklin, Oxford	92 min
Jan 20, 3:20 PM EST	Winter Storm Watch	GYX	Cumberland, Lincoln, Sagadahoc, York	24 hr

Nearby

Wind Chill Advisories in Maine, 2013 Wind Chill Advisories in New Hampshire, 2013 Every wind chill advisory in 2013

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.