Alert archive / Maine / Winter Storm Warnings in 2013

Winter Storm Warning 1, NWS Gray, ME

January 21, 2013Cumberland County, York County, Maine; Rockingham County, Strafford County, New Hampshire

NWS Gray, ME issued this winter storm warning at Jan 21, 2013, 2:58 PM EST for Cumberland County, York County, Maine; Rockingham County, Strafford County, New Hampshire. It took effect at Jan 21, 2013, 10:00 PM EST. It was in force for 3 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
Jan 21, 2013, 2:58 PM EST (19:58 UTC)
In effect from
Jan 21, 2013, 10:00 PM EST
Expired
Jan 22, 2013, 1:11 AM EST
In force
3 hr
Issued by
NWS Gray, ME

Counties Cumberland County, ME, York County, ME, Rockingham County, NH, Strafford County, NH

The radar

The Portland,ME radar (KGYX), 71 km from the middle of the area, began a volume at 20:02 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

Chatham, MA (KCHH), launched 12:00Z, 8.0 hours before the alert went out and 201 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, Chatham, MA at 12:00Z on 2013-01-21Temperature 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, Chatham, MA at 12:00Z on 2013-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 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
1520 m above ground
0-6 km bulk shear
100 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
-69 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 winter storm 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 winter storm warning went out at Jan 20, 6:58 PM EST, 20 hours earlier.

Area forecast discussion, Jan 20, 6:58 PM EST, 20 hours before
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Hazardous weather outlook, Jan 20, 3:25 PM EST, 23 hours 33 minutes 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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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:09 AM ESTSmall Craft AdvisoryGYX7 hr
Jan 21, 2:40 PM ESTGale WarningGYX10 hr
Jan 21, 2:40 PM ESTSmall Craft AdvisoryGYX10 hr
Jan 21, 2:58 PM ESTWinter Weather AdvisoryGYXCumberland10 hr

Nearby

Winter Storm Warnings in Maine, 2013Winter Storm Warnings in New Hampshire, 2013Every winter storm warning 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.