Alert archive / New Hampshire / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 53, NWS Gray, ME

July 22, 2026York County, Maine; Hillsborough County, Rockingham County, New Hampshire

NWS Gray, ME issued this severe thunderstorm warning at Jul 22, 2026, 12:44 PM EDT for York County, Maine; Hillsborough County, Rockingham County, New Hampshire. It was in force for 27 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 22, 2026, 12:44 PM EDT (16:44 UTC)
Expired
Jul 22, 2026, 1:11 PM EDT
In force
27 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties York County, ME, Hillsborough County, NH, Rockingham County, NH

The radar

The Portland,ME radar (KGYX), 113 km from the middle of the area, began a volume at 16:43 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, 4.7 hours before the alert went out and 113 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-pSkew-T log-p diagram, Gray, ME at 12:00Z on 2026-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2026-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
82 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 22, 10:49 AM EDT, 1 hour 55 minutes earlier.

Area forecast discussion, Jul 22, 10:49 AM EDT, 1 hour 55 minutes before
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In the hours before

Local storm report, Jul 22, 11:55 AM EDT, 49 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:27 AM EDTHigh Surf AdvisoryGYXKnox, Lincoln18 hr
Jul 22, 1:03 PM EDTSpecial Weather StatementGYXSomerset42 min
Jul 22, 1:20 PM EDTSevere Thunderstorm WarningGYXCumberland, York25 min
Jul 22, 2:41 PM EDTSevere Thunderstorm WarningGYXSomerset34 min
Jul 22, 3:33 PM EDTTornado Warning Tornado observedGYXSomerset16 min
Jul 22, 3:44 PM EDTSevere Thunderstorm WarningGYXSomerset31 min
Jul 22, 4:35 PM EDTSevere Thunderstorm WarningGYXSomerset40 min

Nearby

Severe Thunderstorm Warnings in New Hampshire, 2026Severe Thunderstorm Warnings in Maine, 2026Every severe thunderstorm warning in 2026

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.