Alert archive / Maine / Wind Chill Advisories in 2017

Wind Chill Advisory 3, NWS Gray, ME

March 3, 2017Franklin County, Oxford County, Somerset County, Maine; Carroll County, Coos County, Grafton County, New Hampshire

NWS Gray, ME issued this wind chill advisory at Mar 3, 2017, 3:34 AM EST for Franklin County, Oxford County, Somerset County, Maine; Carroll County, Coos County, Grafton County, New Hampshire. It took effect at Mar 4, 2017, 12:00 AM EST. It was in force for 302 days.

The area

The counties it named.

The facts

Issued
Mar 3, 2017, 3:34 AM EST (08:34 UTC)
In effect from
Mar 4, 2017, 12:00 AM EST
Expired
Dec 30, 2017, 3:31 PM EST
In force
302 days
Issued by
NWS Gray, ME

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

The radar

The Portland,ME radar (KGYX), 93 km from the middle of the area, began a volume at 08:40 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 315 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 2017-03-03Temperature 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 2017-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.1939587897117Sfc1 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
1583 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 3:28 AM ESTGale WatchGYX11 hr
Mar 3, 3:28 AM ESTHeavy Freezing Spray AdvisoryGYX53 hr
Mar 3, 2:56 PM ESTGale WarningGYX42 hr
Mar 3, 5:49 PM ESTSpecial Weather StatementGYXCheshire56 min
Mar 3, 6:45 PM ESTSpecial Weather StatementGYXBelknap, Carroll, Grafton, Hillsborough, Merrimack60 min

Nearby

Wind Chill Advisories in Maine, 2017Wind Chill Advisories in New Hampshire, 2017Every 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.