Alert archive / Maryland / Mesoscale Discussions in 2016

Mesoscale Discussion 1318

July 18, 20165 states

The Storm Prediction Center issued this mesoscale discussion at Jul 18, 2016, 3:09 PM EDT for 5 states. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued: Jul 18, 2016, 3:09 PM EDT (19:09 UTC)
Expired: Jul 18, 2016, 4:15 PM EDT
In force: 66 min
Issued by: the Storm Prediction Center

All 51 counties

Kent County, DE, New Castle County, DE, Sussex County, DE, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Caroline County, MD, Carroll County, MD, Cecil County, MD, Charles County, MD, City of Baltimore, MD, Dorchester County, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Wicomico County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Manassas, VA, City of Manassas Park, VA, Culpeper County, VA, Fairfax County, VA, Fauquier County, VA, King George County, VA, Loudoun County, VA, Madison County, VA, Prince William County, VA, Rappahannock County, VA, Spotsylvania County, VA, Stafford County, VA, Westmoreland County, VA

The radar

The Sterling radar (KLWX), 84 km from the middle of the area, began a volume at 19:13 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 text

As transmitted.

<!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>

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 11:40 AM EDT	Mesoscale Discussion	SPC	New Castle	95 min
Jul 18, 1:42 PM EDT	Severe Thunderstorm Watch	SPC	Kent, New Castle, Sussex	6 hr
Jul 18, 6:22 PM EDT	Mesoscale Discussion	SPC	Sussex	113 min
Jul 18, 12:05 PM EDT	Severe Thunderstorm Watch	SPC	Bergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 7 more	8 hr
Jul 18, 3:21 PM EDT	Mesoscale Discussion	SPC	Bergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 7 more	84 min
Jul 18, 6:49 PM EDT	Mesoscale Discussion	SPC	Bergen, Essex, Hudson, Hunterdon, Middlesex, Morris and 5 more	86 min

Nearby

Mesoscale Discussions in Maryland, 2016 Mesoscale Discussions in Virginia, 2016 Mesoscale Discussions in New Jersey, 2016 Every mesoscale discussion in 2016

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.