Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 43, NWS Gray, ME

July 7, 2016Coos County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 7, 2016, 2:43 PM EDT for Coos County, New Hampshire. It was in force for 62 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 7, 2016, 2:43 PM EDT (18:43 UTC)
Expired: Jul 7, 2016, 3:45 PM EDT
In force: 62 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Coos County, NH

The radar

The Portland,ME radar (KGYX), 122 km from the middle of the area, began a volume at 18:44 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

Gray, ME (KGYX), launched 12:00Z, 6.7 hours before the alert went out and 122 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: 767 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 136 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 Jul 7, 10:30 AM EDT, 4 hours 13 minutes earlier.

Area forecast discussion, Jul 7, 10:30 AM EDT, 4 hours 13 minutes before

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Hazardous weather outlook, Jul 7, 3:27 AM EDT, 11 hours 16 minutes before

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In the hours before

Special weather statement, Jul 7, 12:31 PM EDT, 2 hours 12 minutes before

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Special weather statement, Jul 7, 2:02 PM EDT, 41 minutes before

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Special weather statement, Jul 7, 2:35 PM EDT, 8 minutes before

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Special weather statement, Jul 7, 2:38 PM EDT, 5 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 7, 2:02 PM EDT	Special Weather Statement	GYX	Franklin	43 min
Jul 7, 3:35 PM EDT	Special Weather Statement	GYX	Oxford	25 min
Jul 7, 12:31 PM EDT	Special Weather Statement	GYX	Belknap	29 min
Jul 7, 2:35 PM EDT	Special Weather Statement	GYX	Coos	25 min
Jul 7, 2:38 PM EDT	Special Weather Statement	GYX	Sullivan	37 min
Jul 7, 3:13 PM EDT	Special Weather Statement	GYX	Sullivan	32 min
Jul 7, 3:39 PM EDT	Special Weather Statement	GYX	Coos	36 min
Jul 7, 4:26 PM EDT	Special Weather Statement	GYX	Grafton	34 min
Jul 7, 4:43 PM EDT	Special Weather Statement	GYX	Hillsborough	32 min
Jul 7, 4:57 PM EDT	Special Weather Statement	GYX	Grafton	33 min
Jul 7, 5:14 PM EDT	Special Weather Statement	GYX	Hillsborough	31 min
Jul 7, 5:27 PM EDT	Special Weather Statement	GYX	Grafton	33 min
Jul 7, 5:46 PM EDT	Flash Flood Warning	GYX	Coos	3 hr

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2016 Every severe thunderstorm warning in 2016

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.