Alert archive / Maine / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 161, NWS Gray, ME

July 24, 2008Cumberland County, Oxford County, York County, Maine; Carroll County, Coos County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 24, 2008, 5:36 PM EDT for Cumberland County, Oxford County, York County, Maine; Carroll County, Coos County, New Hampshire. It was in force for 39 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: Jul 24, 2008, 5:36 PM EDT (21:36 UTC)
Expired: Jul 24, 2008, 6:15 PM EDT
In force: 39 min
Issued by: NWS Gray, ME
Area: Storm-based polygon

Counties Cumberland County, ME, Oxford County, ME, York County, ME, Carroll County, NH, Coos County, NH

The radar

The Portland,ME radar (KGYX), 51 km from the middle of the area, began a volume at 21:36 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
Jul 24, 12:57 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 9.6 hours before the alert went out and 51 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: 186 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 687 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.5

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 Jul 24, 2:15 PM EDT, 3 hours 21 minutes earlier.

Area forecast discussion, Jul 24, 2:15 PM EDT, 3 hours 21 minutes before

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Hazardous weather outlook, Jul 24, 1:01 PM EDT, 4 hours 35 minutes before

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In the hours before

Local storm report, Jul 24, 2:34 PM EDT, 3 hours 2 minutes before

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Local storm report, Jul 24, 3:06 PM EDT, 2 hours 30 minutes before

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Special weather statement, Jul 24, 3:35 PM EDT, 2 hours 1 minute before

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Local storm report, Jul 24, 3:47 PM EDT, 1 hour 49 minutes before

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Special weather statement, Jul 24, 4:41 PM EDT, 55 minutes before

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Special weather statement, Jul 24, 5:19 PM EDT, 17 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 8:09 PM EDT	Special Marine Warning	GYX		111 min
Jul 24, 7:23 AM EDT	Special Marine Warning	GYX		67 min
Jul 24, 7:33 AM EDT	River Flood Warning	GYX	Oxford	18 hr
Jul 24, 10:02 AM EDT	Areal Flood Advisory	GYX	York	118 min
Jul 24, 12:00 PM EDT	Severe Thunderstorm Warning	GYX	Oxford, York	45 min
Jul 24, 12:34 PM EDT	Tornado Warning	GYX	Oxford	26 min
Jul 24, 12:44 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	46 min
Jul 24, 12:56 PM EDT	Severe Thunderstorm Warning	GYX	York	49 min
Jul 24, 1:08 PM EDT	Areal Flood Warning	GYX	York	4 hr
Jul 24, 1:33 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	42 min
Jul 24, 1:36 PM EDT	Special Marine Warning	GYX		39 min
Jul 24, 1:55 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	50 min
Jul 24, 2:10 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	50 min
Jul 24, 2:15 PM EDT	Special Marine Warning	GYX		60 min
Jul 24, 2:24 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Kennebec, Oxford	51 min
Jul 24, 3:04 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford	41 min
Jul 24, 3:14 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Franklin, Oxford	31 min
Jul 24, 4:14 PM EDT	Areal Flood Warning	GYX	Franklin, Oxford, Somerset	6 hr
Jul 24, 4:57 PM EDT	Areal Flood Warning	GYX	Oxford	6 hr
Jul 24, 5:22 PM EDT	Areal Flood Warning	GYX	Oxford, York	6 hr
Jul 24, 11:33 AM EDT	Severe Thunderstorm Warning	GYX	Rockingham	27 min
Jul 24, 11:41 AM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Merrimack, Strafford	49 min
Jul 24, 11:46 AM EDT	Tornado Warning	GYX	Belknap, Strafford	29 min
Jul 24, 3:42 PM EDT	Areal Flood Warning	GYX	Belknap, Carroll, Grafton, Merrimack, Sullivan	6 hr
Jul 24, 4:56 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Strafford	34 min

Nearby

Severe Thunderstorm Warnings in Maine, 2008 Severe Thunderstorm Warnings in New Hampshire, 2008 Every severe thunderstorm warning in 2008

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.