Alert archive / Maine / Wind Chill Advisories in 2015

Wind Chill Advisory 8, NWS Gray, ME

February 12, 2015Franklin County, Oxford County, Somerset County, Maine; Coos County, Grafton County, New Hampshire

NWS Gray, ME issued this wind chill advisory at Feb 12, 2015, 3:38 AM EST for Franklin County, Oxford County, Somerset County, Maine; Coos County, Grafton County, New Hampshire. It took effect at Feb 13, 2015, 5:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 12, 2015, 3:38 AM EST (08:38 UTC)
In effect from
Feb 13, 2015, 5:00 AM EST
Expired
Feb 12, 2015, 3:57 PM EST
In force
Issued by
NWS Gray, ME

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

The radar

The Portland,ME radar (KGYX), 104 km from the middle of the area, began a volume at 08:41 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

Albany, NY (KALY), launched 00:00Z, 8.6 hours before the alert went out and 329 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-pSkew-T log-p diagram, Albany, NY at 00:00Z on 2015-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2015-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1982 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
78 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 Feb 12, 3:27 AM EST, 11 minutes earlier.

Area forecast discussion, Feb 12, 3:27 AM EST, 11 minutes before
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Hazardous weather outlook, Feb 12, 3:37 AM EST, 1 minute before
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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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 Gray, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 12, 3:35 AM ESTGale WarningGYX33 hr
Feb 12, 3:35 AM ESTSmall Craft AdvisoryGYX33 hr
Feb 12, 3:35 AM ESTHeavy Freezing Spray AdvisoryGYX36 hr
Feb 12, 3:27 PM ESTGale WatchGYX12 hr
Feb 12, 3:27 PM ESTStorm WatchGYX21 hr
Feb 12, 3:57 PM ESTBlizzard WatchGYXAndroscoggin, Cumberland, Kennebec, Knox, Lincoln, Sagadahoc and 3 more24 hr
Feb 12, 3:57 PM ESTWinter Storm WatchGYXFranklin, Oxford, Somerset, York24 hr

Nearby

Wind Chill Advisories in Maine, 2015Wind Chill Advisories in New Hampshire, 2015Every wind chill advisory in 2015

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.