Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 98, NWS Gray, ME

August 26, 2022Grafton County, Sullivan County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Aug 26, 2022, 12:53 PM EDT for Grafton County, Sullivan 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: Aug 26, 2022, 12:53 PM EDT (16:53 UTC)
Expired: Aug 26, 2022, 1:32 PM EDT
In force: 39 min
Issued by: NWS Gray, ME
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Grafton County, NH, Sullivan County, NH

The radar

The Burlington radar (KCXX), 132 km from the middle of the area, began a volume at 16:56 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, 4.9 hours before the alert went out and 144 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: 94 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 669 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 243 m²/s²
0-3 km storm-relative helicity: 290 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

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 Aug 26, 10:49 AM EDT, 2 hours 4 minutes earlier.

Area forecast discussion, Aug 26, 10:49 AM EDT, 2 hours 4 minutes before

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Hazardous weather outlook, Aug 26, 8:23 AM EDT, 4 hours 30 minutes before

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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.

Issued	Product	Office	Counties	Lasted
Aug 26, 1:49 PM EDT	Special Weather Statement	GYX	Oxford	41 min
Aug 26, 3:08 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford	28 min
Aug 26, 3:12 PM EDT	Severe Thunderstorm Warning	GYX	York	48 min
Aug 26, 3:31 PM EDT	Severe Thunderstorm Warning	GYX	York	44 min
Aug 26, 3:55 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	35 min
Aug 26, 4:02 PM EDT	Special Marine Warning	GYX		78 min
Aug 26, 4:08 PM EDT	Areal Flood Advisory	GYX	Cumberland, York	112 min
Aug 26, 4:28 PM EDT	Special Weather Statement	GYX	York	32 min
Aug 26, 1:04 PM EDT	Special Weather Statement	GYX	Coos	41 min
Aug 26, 1:24 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton	51 min
Aug 26, 1:52 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Sullivan	38 min
Aug 26, 2:09 PM EDT	Special Weather Statement	GYX	Carroll	36 min
Aug 26, 2:12 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll	48 min
Aug 26, 2:27 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Grafton, Merrimack, Sullivan	48 min
Aug 26, 2:29 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	46 min
Aug 26, 2:49 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll	41 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2022 Every severe thunderstorm warning in 2022

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.