Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 8, NWS Gray, ME

May 16, 20226 counties in New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at May 16, 2022, 7:30 PM EDT for 6 counties in New Hampshire. It was in force for 45 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: May 16, 2022, 7:30 PM EDT (23:30 UTC)
Expired: May 16, 2022, 8:15 PM EDT
In force: 45 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, Merrimack County, NH, Rockingham County, NH, Strafford County, NH

The radar

The Portland,ME radar (KGYX), 101 km from the middle of the area, began a volume at 23:33 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
May 16, 5:39 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.5 hours before the alert went out and 218 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: 772 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 51 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 May 16, 6:17 PM EDT, 1 hour 13 minutes earlier.

Area forecast discussion, May 16, 6:17 PM EDT, 1 hour 13 minutes before

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Hazardous weather outlook, May 16, 6:11 PM EDT, 1 hour 19 minutes before

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In the hours before

Local storm report, May 16, 4:16 PM EDT, 3 hours 14 minutes before

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Local storm report, May 16, 5:54 PM EDT, 1 hour 36 minutes before

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Local storm report, May 16, 5:57 PM EDT, 1 hour 33 minutes before

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Local storm report, May 16, 6:34 PM EDT, 56 minutes before

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Local storm report, May 16, 7:17 PM EDT, 13 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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Local storm report, May 16, 7:24 PM EDT, 6 minutes before

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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        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
May 16, 3:35 AM EDT	Small Craft Advisory	GYX		53 hr
May 16, 5:52 AM EDT	Dense Fog Advisory	GYX	Knox, Lincoln, Sagadahoc, Waldo	3 hr
May 16, 3:48 PM EDT	Coastal Flood Advisory	GYX	Cumberland, York	9 hr
May 15, 9:01 PM EDT	Special Weather Statement	GYX	Rockingham	29 min
May 16, 3:40 PM EDT	Special Weather Statement	GYX	Sullivan	50 min
May 16, 3:45 PM EDT	Severe Thunderstorm Warning	GYX	Grafton	45 min
May 16, 5:43 PM EDT	Severe Thunderstorm Warning	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	62 min
May 16, 6:36 PM EDT	Severe Thunderstorm Warning	GYX	Grafton, Merrimack, Sullivan	39 min
May 16, 6:45 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Cheshire, Hillsborough, Merrimack, Sullivan	45 min
May 16, 7:13 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Grafton, Merrimack	47 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.