Alert archive / New Hampshire / Wind Chill Warnings in 2015

Wind Chill Warning 6, NWS Gray, ME

February 22, 20154 counties in Maine; 5 counties in New Hampshire

NWS Gray, ME issued this wind chill warning at Feb 22, 2015, 3:23 PM EST for 4 counties in Maine; 5 counties in New Hampshire. It took effect at Feb 23, 2015, 1:00 PM EST. It was in force for 17 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
Feb 22, 2015, 3:23 PM EST (20:23 UTC)
In effect from
Feb 23, 2015, 1:00 PM EST
Expired
Feb 24, 2015, 6:00 AM EST
In force
17 hr
Issued by
NWS Gray, ME

Counties Franklin County, ME, Oxford County, ME, Somerset County, ME, Waldo County, ME, Carroll County, NH, Cheshire County, NH, Coos County, NH, Grafton County, NH, Sullivan County, NH

The radar

The Portland,ME radar (KGYX), 72 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.4 hours before the alert went out and 286 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 12:00Z on 2015-02-22Temperature 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 12:00Z on 2015-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.1939587897117136156Sfc1 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
696 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
46 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 warning 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 warning went out at Feb 21, 6:07 PM EST, 21 hours 16 minutes earlier.

Area forecast discussion, Feb 21, 6:07 PM EST, 21 hours 16 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 5:54 AM ESTSmall Craft Advisory for Hazardous SeasGYX5 hr
Feb 22, 3:07 PM ESTGale WarningGYX37 hr
Feb 22, 3:07 PM ESTSmall Craft AdvisoryGYX37 hr
Feb 22, 3:07 PM ESTHeavy Freezing Spray WarningGYX39 hr
Feb 22, 3:07 PM ESTHeavy Freezing Spray AdvisoryGYX24 hr
Feb 22, 3:23 PM ESTWind Chill AdvisoryGYXAndroscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more39 hr

Nearby

Wind Chill Warnings in New Hampshire, 2015Wind Chill Warnings in Maine, 2015Every wind chill warning 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.