Alert archive / Maine / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 142, NWS Gray, ME

October 7, 20134 counties in Maine

NWS Gray, ME issued this severe thunderstorm warning at Oct 7, 2013, 7:57 PM EDT for 4 counties in Maine. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 7, 2013, 7:57 PM EDT (23:57 UTC)
Expired: Oct 7, 2013, 9:00 PM EDT
In force: 63 min
Issued by: NWS Gray, ME
Area: Storm-based polygon

Counties Androscoggin County, ME, Franklin County, ME, Kennebec County, ME, Somerset County, ME

The radar

The Portland,ME radar (KGYX), 98 km from the middle of the area, began a volume at 23:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 7, 2:50 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 12.0 hours before the alert went out and 98 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: 432 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 261 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 severe thunderstorm 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 severe thunderstorm warning went out at Oct 7, 3:09 PM EDT, 4 hours 48 minutes earlier.

Area forecast discussion, Oct 7, 3:09 PM EDT, 4 hours 48 minutes before

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Hazardous weather outlook, Oct 7, 5:49 PM EDT, 2 hours 8 minutes before

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In the hours before

Local storm report, Oct 7, 7:18 PM EDT, 39 minutes before

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Local storm report, Oct 7, 7:26 PM EDT, 31 minutes before

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Local storm report, Oct 7, 7:29 PM EDT, 28 minutes before

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Local storm report, Oct 7, 7:31 PM EDT, 26 minutes before

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Local storm report, Oct 7, 7:42 PM EDT, 15 minutes before

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Local storm report, Oct 7, 7:43 PM EDT, 14 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 6, 10:09 PM EDT	Small Craft Advisory	GYX		5 hr
Oct 7, 2:57 AM EDT	Gale Warning	GYX		23 hr
Oct 7, 5:41 PM EDT	Severe Thunderstorm Warning	GYX	Oxford	49 min
Oct 7, 6:23 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford, Somerset	52 min
Oct 7, 6:35 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Oxford, York	40 min
Oct 7, 6:47 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	43 min
Oct 7, 7:08 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Franklin, Kennebec, Oxford, Somerset and 1 more	52 min
Oct 7, 7:23 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	52 min
Oct 7, 7:45 PM EDT	Severe Thunderstorm Warning	GYX	York	45 min
Oct 7, 9:51 AM EDT	Wind Advisory	GYX	Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 2 more	13 hr
Oct 7, 4:30 PM EDT	Severe Thunderstorm Warning	GYX	Grafton, Merrimack, Sullivan	45 min
Oct 7, 5:11 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Grafton, Merrimack, Sullivan	49 min
Oct 7, 5:55 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 1 more	50 min

Nearby

Severe Thunderstorm Warnings in Maine, 2013 Every severe thunderstorm 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.