Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 6, NWS Gray, ME

June 26, 2019Belknap County, Carroll County, Grafton County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jun 26, 2019, 10:57 PM EDT for Belknap County, Carroll County, Grafton County, New Hampshire. It was in force for 48 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: Jun 26, 2019, 10:57 PM EDT (02:57 UTC)
Expired: Jun 26, 2019, 11:45 PM EDT
In force: 48 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Belknap County, NH, Carroll County, NH, Grafton County, NH

The radar

The Portland,ME radar (KGYX), 99 km from the middle of the area, began a volume at 03:00 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, 3.0 hours before the alert went out and 225 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: 710 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1647 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Jun 26, 10:07 PM EDT, 50 minutes earlier.

Area forecast discussion, Jun 26, 10:07 PM EDT, 50 minutes before

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Hazardous weather outlook, Jun 26, 3:29 PM EDT, 7 hours 28 minutes before

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In the hours before

Special weather statement, Jun 26, 8:34 PM EDT, 2 hours 23 minutes before

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Special weather statement, Jun 26, 8:40 PM EDT, 2 hours 17 minutes before

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Special weather statement, Jun 26, 9:11 PM EDT, 1 hour 46 minutes before

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Special weather statement, Jun 26, 9:24 PM EDT, 1 hour 33 minutes before

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Special weather statement, Jun 26, 9:43 PM EDT, 1 hour 14 minutes before

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Special weather statement, Jun 26, 9:50 PM EDT, 1 hour 7 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
Jun 26, 11:27 PM EDT	Special Weather Statement	GYX	Cumberland	63 min
Jun 27, 11:13 AM EDT	Special Weather Statement	GYX	Franklin	32 min
Jun 27, 1:13 PM EDT	Special Weather Statement	GYX	Somerset	32 min
Jun 27, 1:29 PM EDT	Severe Thunderstorm Warning	GYX	Somerset	46 min
Jun 27, 1:55 PM EDT	Severe Thunderstorm Warning	GYX	Somerset	30 min
Jun 27, 2:42 PM EDT	Special Weather Statement	GYX	Franklin	33 min
Jun 27, 3:13 PM EDT	Special Weather Statement	GYX	Oxford	32 min
Jun 27, 3:42 PM EDT	Special Weather Statement	GYX	Oxford	33 min
Jun 27, 3:49 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Franklin, Oxford	41 min
Jun 27, 4:26 PM EDT	Special Weather Statement	GYX	Androscoggin	34 min
Jun 26, 8:30 PM EDT	Special Weather Statement	GYX	Coos	45 min
Jun 26, 8:34 PM EDT	Special Weather Statement	GYX	Coos	41 min
Jun 26, 8:40 PM EDT	Special Weather Statement	GYX	Grafton	50 min
Jun 26, 9:11 PM EDT	Special Weather Statement	GYX	Cheshire	34 min
Jun 26, 9:24 PM EDT	Special Weather Statement	GYX	Grafton	51 min
Jun 26, 9:43 PM EDT	Special Weather Statement	GYX	Cheshire	32 min
Jun 26, 9:50 PM EDT	Special Weather Statement	GYX	Grafton	40 min
Jun 26, 10:26 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack	34 min
Jun 26, 11:05 PM EDT	Areal Flood Advisory	GYX	Belknap, Carroll, Grafton, Merrimack	55 min
Jun 26, 11:31 PM EDT	Special Weather Statement	GYX	Belknap	44 min
Jun 27, 12:13 AM EDT	Special Weather Statement	GYX	Strafford	32 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2019 Every severe thunderstorm warning in 2019

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.