Alert archive / Maryland / Heat Advisories in 2021

Heat Advisory 2, NWS Baltimore/Washington

July 6, 20217 counties in Maryland; Berkeley County, Jefferson County, Morgan County, West Virginia

NWS Baltimore/Washington issued this heat advisory at Jul 6, 2021, 3:01 AM EDT for 7 counties in Maryland; Berkeley County, Jefferson County, Morgan County, West Virginia. It took effect at Jul 6, 2021, 11:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jul 6, 2021, 3:01 AM EDT (07:01 UTC)
In effect from
Jul 6, 2021, 11:00 AM EDT
Expired
Jul 6, 2021, 7:51 PM EDT
In force
9 hr
Issued by
NWS Baltimore/Washington

Counties Baltimore County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Washington County, MD, Berkeley County, WV, Jefferson County, WV, Morgan County, WV

The radar

The Sterling radar (KLWX), 62 km from the middle of the area, began a volume at 07:03 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.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this heat advisory went out at Jul 5, 9:43 PM EDT, 5 hours 18 minutes earlier.

Area forecast discussion, Jul 5, 9:43 PM EDT, 5 hours 18 minutes before
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Hazardous weather outlook, Jul 5, 5:08 AM EDT, 21 hours 53 minutes before
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  <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.
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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 5:12 PM EDTSevere Thunderstorm WarningLWXHighland48 min
Jul 6, 6:05 PM EDTSevere Thunderstorm WarningLWXRockingham40 min
Jul 6, 6:40 PM EDTSevere Thunderstorm WarningLWXRockingham, Shenandoah39 min
Jul 6, 12:21 AM EDTCoastal Flood AdvisoryLWXAnne Arundel5 hr
Jul 6, 5:37 PM EDTSevere Thunderstorm WarningLWXPendleton38 min

Nearby

Heat Advisories in Maryland, 2021Heat Advisories in West Virginia, 2021Every heat advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.