Alert archive / Maine / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 9, NWS Gray, ME

May 23, 20244 counties in Maine

NWS Gray, ME issued this severe thunderstorm warning at May 23, 2024, 2:38 PM EDT for 4 counties in Maine. It was in force for 52 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 23, 2024, 2:38 PM EDT (18:38 UTC)
Expired
May 23, 2024, 3:30 PM EDT
In force
52 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kennebec County, ME, Knox County, ME, Lincoln County, ME, Waldo County, ME

The radar

The Portland,ME radar (KGYX), 80 km from the middle of the area, began a volume at 18:37 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.

IssuedProductOfficeLasted
May 23, 12:48 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 6.6 hours before the alert went out and 80 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 2024-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 434 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 2024-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
434 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1469 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
66 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 23, 1:05 PM EDT, 1 hour 33 minutes earlier.

Area forecast discussion, May 23, 1:05 PM EDT, 1 hour 33 minutes before
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Hazardous weather outlook, May 23, 12:52 PM EDT, 1 hour 46 minutes before
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In the hours before

Local storm report, May 23, 1:51 PM EDT, 47 minutes before
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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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 23, 2:01 PM EDT, 37 minutes before
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<body>
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    <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.
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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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Local storm report, May 23, 2:05 PM EDT, 33 minutes before
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      <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.
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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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Special weather statement, May 23, 2:05 PM EDT, 33 minutes before
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      <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.
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Local storm report, May 23, 2:08 PM EDT, 30 minutes before
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<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.
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Special weather statement, May 23, 2:16 PM EDT, 22 minutes before
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<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>
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The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 12:30 PM EDTSpecial Weather StatementGYXFranklin, Oxford45 min
May 23, 12:42 PM EDTSevere Thunderstorm WarningGYXOxford33 min
May 23, 1:04 PM EDTSevere Thunderstorm WarningGYXCumberland, Oxford25 min
May 23, 1:06 PM EDTSevere Thunderstorm WarningGYXFranklin, Somerset39 min
May 23, 1:08 PM EDTSevere Thunderstorm WarningGYXSomerset52 min
May 23, 1:34 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Oxford41 min
May 23, 2:05 PM EDTSpecial Weather StatementGYXKennebec40 min
May 23, 2:16 PM EDTSpecial Weather StatementGYXAndroscoggin44 min
May 23, 2:25 PM EDTSevere Thunderstorm WarningGYXAndroscoggin, Kennebec50 min
May 23, 2:41 PM EDTSevere Thunderstorm WarningGYXSomerset, Waldo49 min
May 23, 3:05 PM EDTSpecial Marine WarningGYX55 min
May 23, 3:20 PM EDTSpecial Marine WarningGYX55 min
May 23, 3:29 PM EDTSpecial Weather StatementGYXWaldo46 min
May 23, 4:41 PM EDTBeach Hazards StatementGYXCumberland, Knox, Lincoln, Sagadahoc, Waldo, York27 hr
May 23, 6:31 PM EDTSpecial Weather StatementGYXSagadahoc29 min
May 23, 11:55 AM EDTSpecial Weather StatementGYXCoos35 min
May 23, 12:00 PM EDTSpecial Weather StatementGYXGrafton45 min

Nearby

Severe Thunderstorm Warnings in Maine, 2024Every severe thunderstorm warning in 2024

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.