Maryland, 2013

Heavy Rain in Maryland, July 11, 2013

July 11, 2013 · NWS AKQ · 2 events in 1 county or zone

Scattered thunderstorms in advance of a cold front produced heavy rain and minor street flooding across portions of the Lower Maryland Eastern Shore.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS AKQ wrote it up.

Scattered thunderstorms in advance of a cold front produced heavy rain and minor street flooding across portions of the Lower Maryland Eastern Shore.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wakefield, VA wrote its last area forecast discussion before the first event at Jul 11, 3:44 AM EST, 6 hours 31 minutes earlier.

Area forecast discussion, Jul 11, 3:44 AM EST, 6 hours 31 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>
Hazardous weather outlook, Jul 11, 9:18 AM EST, 57 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>

In the hours before

Special weather statement, Jul 11, 9:42 AM EST, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
1042 AM EDT THU JUL 11 2013

MDZ021>025-111545-
DORCHESTER-INLAND WORCESTER-MARYLAND BEACHES-SOMERSET-WICOMICO-
1042 AM EDT THU JUL 11 2013

...HEAVY RAIN WILL MOVE ACROSS DORCHESTER...SOMERSET...WORCESTER AND
WICOMICO COUNTIES THROUGH 1145 AM EDT...

AT 1041 AM EDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
WITH VERY HEAVY RAIN AND OCCASSIONAL LIGHTNING MOVING ALONG A LINE
FROM ROUGHLY 7 MILES NORTHEAST OF OCEAN CITY TO 10 MILES SOUTH OF
HOOPERSVILLE...OR ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
OCEAN CITY TO 17 MILES SOUTHEAST OF LEXINGTON PARK...MOVING
NORTHEAST AT 30 MPH.

HAZARDS INCLUDE...
HEAVY RAINFALL AND MINOR FLOODING.
GUSTY WINDS UP TO 30 MPH.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH MAY CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

LAT...LON 3812 7517 3809 7524 3820 7518 3790 7589
      3802 7605 3806 7582 3821 7597 3822 7595
      3821 7596 3822 7585 3824 7587 3823 7588
      3831 7604 3806 7601 3806 7602 3849 7635
      3871 7584 3846 7568 3845 7504 3844 7504

DEROSA

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 heavy rain. Local standard time, as filed.

Heavy Rain, Worcester

When
July 11, 10:15 AM EST to 11:30 AM EST
Where
Worcester County, 2.14 mi NNE of Ocean City
Reported by
Newspaper
Coordinates
38.360, -75.070

Rainfall amounts of one to three inches produced minor street flooding on roadways, especially north of 120th Street.

Heavy Rain, Worcester

When
July 11, 10:35 AM EST to 11:30 AM EST
Where
Worcester County, 2.14 mi SSW of Maryland Beach
Reported by
Public
Coordinates
38.420, -75.060

Rainfall amounts of one to three inches produced minor flooding along Coastal Highway 528.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Maryland in 2013Every state in 2013This day in weather historyWarnings in Maryland, July 2013

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 470712, 470716.