Alert archive / Maryland / Flash Flood Warnings in 2022

Flash Flood Warning 33, NWS Baltimore/Washington

July 9, 2022Saint Mary's County, Maryland

NWS Baltimore/Washington issued this flash flood warning at Jul 9, 2022, 7:31 AM EDT for Saint Mary's County, Maryland. It was in force for 115 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 9, 2022, 7:31 AM EDT (11:31 UTC)
Expired: Jul 9, 2022, 9:26 AM EDT
In force: 115 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

County Saint Mary's County, MD

The radar

The Dover AFB radar (KDOX), 116 km from the middle of the area, began a volume at 11:35 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 flash flood warning 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 flash flood warning went out at Jul 9, 3:55 AM EDT, 3 hours 36 minutes earlier.

Area forecast discussion, Jul 9, 3:55 AM EDT, 3 hours 36 minutes before

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Hazardous weather outlook, Jul 9, 5:22 AM EDT, 2 hours 9 minutes before

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In the hours before

Local storm report, Jul 9, 4:25 AM EDT, 3 hours 6 minutes before

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Local storm report, Jul 9, 4:29 AM EDT, 3 hours 2 minutes before

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      <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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        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, Jul 9, 5:13 AM EDT, 2 hours 18 minutes before

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      <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.
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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, Jul 9, 5:29 AM EDT, 2 hours 2 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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Local storm report, Jul 9, 5:30 AM EDT, 2 hours 1 minute 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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Local storm report, Jul 9, 5:33 AM EDT, 1 hour 58 minutes before

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<body>
  <main class="wrap">
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      <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>
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</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 9:33 PM EDT	Areal Flood Warning	LWX	Albemarle, City of Charlottesville	6 hr
Jul 8, 9:57 PM EDT	Flash Flood Warning Considerable damage threat	LWX	Albemarle, City of Charlottesville	2 hr
Jul 8, 10:54 PM EDT	Areal Flood Warning	LWX	Culpeper, Madison, Rappahannock	5 hr
Jul 8, 11:55 PM EDT	Flash Flood Warning Considerable damage threat	LWX	Fairfax	3 hr
Jul 9, 12:57 AM EDT	Areal Flood Warning	LWX	Culpeper, Fauquier, Prince William, Rappahannock	8 hr
Jul 9, 1:24 AM EDT	Flash Flood Warning	LWX	Fairfax	100 min
Jul 9, 1:42 AM EDT	Flash Flood Warning Considerable damage threat	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	2 hr
Jul 9, 2:35 AM EDT	Areal Flood Warning	LWX	Fairfax	7 hr
Jul 9, 3:04 AM EDT	Areal Flood Warning	LWX	Fairfax	11 hr
Jul 9, 3:17 AM EDT	Areal Flood Warning	LWX	Fairfax, City of Alexandria	7 hr
Jul 9, 3:58 AM EDT	Areal Flood Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	10 hr
Jul 8, 11:37 PM EDT	Flash Flood Warning	LWX	Montgomery	3 hr
Jul 9, 12:18 AM EDT	Flash Flood Warning Considerable damage threat	LWX	Montgomery	3 hr
Jul 9, 2:09 AM EDT	Areal Flood Warning	LWX	Montgomery	5 hr
Jul 9, 2:32 AM EDT	Flash Flood Warning	LWX	Washington	88 min
Jul 9, 3:00 AM EDT	Areal Flood Warning	LWX	Montgomery	7 hr
Jul 9, 6:35 AM EDT	Areal Flood Warning	LWX	Saint Mary's	7 hr
Jul 9, 6:59 AM EDT	Areal Flood Warning	LWX	Anne Arundel	6 hr
Jul 9, 9:26 AM EDT	Areal Flood Warning	LWX	Saint Mary's	9 hr

Nearby

Flash Flood Warnings in Maryland, 2022 Every flash flood 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; radar from the NEXRAD Level II archive.