Alert archive / Florida / Special Weather Statements in 2020

Special Weather Statement, NWS Miami, FL

August 3, 2020Broward County, Florida

NWS Miami, FL issued this special weather statement at Aug 3, 2020, 11:14 AM EDT for Broward County, Florida. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 3, 2020, 11:14 AM EDT (15:14 UTC)
Expired
Aug 3, 2020, 12:15 PM EDT
In force
61 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 69 km from the middle of the area, began a volume at 15:18 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 nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 3.2 hours before the alert went out and 47 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, Miami, FL at 12:00Z on 2020-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2171 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, Miami, FL at 12:00Z on 2020-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
2171 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
664 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

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>

What forecasters said that day

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

NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Aug 3, 10:38 AM EDT, 36 minutes earlier.

Area forecast discussion, Aug 3, 10:38 AM EDT, 36 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, Aug 3, 8:40 AM EDT, 2 hours 34 minutes before
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
840 AM EDT Mon Aug 3 2020

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
040045-
Lake Okeechobee-Biscayne Bay-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-Glades-Hendry-
Inland Palm Beach-Metro Palm Beach-Coastal Collier-Inland Collier-
Inland Broward-Metro Broward-Inland Miami-Dade-Metro Miami-Dade-
Mainland Monroe-Coastal Palm Beach-Coastal Broward-Coastal Miami-
Dade-Far South Miami-Dade-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
840 AM EDT Mon Aug 3 2020

...Elevated Rip Current Risk Atlantic Beaches...
...Localized Flooding Possible Today East Coast Metro Areas...

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Rip currents: There is a moderate to high risk of rip currents along
the Atlantic beaches, especially coastal Palm Beach County.

Thunderstorms: Scattered showers and thunderstorms are expected this
afternoon and evening.

Flooding: Localized flooding may be possible across urbanized or poor
drainage areas, especially if multiple storms move over the same
locations in a short amount of time.

Waterspouts: A few waterspouts are possible over the Atlantic waters
and Lake Okeechobee.

Wind: Wind over the Atlantic waters will continue to gradually
subside today. Small Craft Advisories are still in effect for much of
the Atlantic Waters through the morning. Thunderstorms across the
Florida peninsula may contain gusty winds in the strongest activity.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

Scattered thunderstorms will develop each day, primarily during the
afternoon hours. Gusty winds, occasional lightning, and heavy
rainfall may be possible. Localized flooding of urban and poorly
drained areas is also possible.

Heat index values on Tuesday could reach the 105 to 110 degrees for
portions of South Florida.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report high wind, hail and flooding to
the National Weather Service forecast office in Miami.

For more information...visit the National Weather Service in
Miami website at www.weather.gov/miami.

In the hours before

Special weather statement, Aug 3, 9:43 AM EDT, 1 hour 31 minutes before
Special Weather Statement
National Weather Service Miami FL
943 AM EDT Mon Aug 3 2020

FLZ070>073-031430-
Inland Broward County FL-Inland Collier County FL-
Metro Broward County FL-Inland Miami-Dade County FL-
943 AM EDT Mon Aug 3 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MIAMI-DADE AND BROWARD
COUNTIES UNTIL 1030 AM EDT...

* At 943 AM EDT, Doppler radar was tracking a gusty shower near
  Intersection Alligator Alley And Miami Canal, or 18 miles west of
  Pembroke Pines, moving northeast at 5 mph.

* Winds in excess of 45 mph and funnel clouds possible with this
  shower.

* Locations impacted include...
  Weston, Mile Marker 30 On Alligator Alley, East Toll Gate On
  Alligator Alley, Intersection I-75 And U.S. 27 and Intersection
  Alligator Alley And Miami Canal.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2586 8078 2589 8091 2631 8053 2622 8034
TIME...MOT...LOC 1343Z 233DEG 5KT 2609 8062

SPM
Special weather statement, Aug 3, 9:57 AM EDT, 1 hour 17 minutes before
Special Weather Statement
National Weather Service Miami FL
957 AM EDT Mon Aug 3 2020

FLZ068-168-031430-
Coastal Palm Beach County FL-Metro Palm Beach County FL-
957 AM EDT Mon Aug 3 2020

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL PALM BEACH COUNTY
UNTIL 1030 AM EDT...

* At 957 AM EDT, National Weather Service meteorologists were
  tracking a gusty shower over Village Of Golf, or over Delray Beach,
  moving northeast at 10 mph.

* Funnel clouds possible with this shower.

* Locations impacted include...
  Boca Raton, Boynton Beach, Delray Beach, Lake Worth, Palm Beach,
  Highland Beach, Ocean Ridge, Lantana, Atlantis, Village Of Golf,
  Kings Point, Dunes Road, Hypoluxo, South Palm Beach, Gulf Stream,
  Briny Breezes, Manalapan, Seminole Manor and Villages Of Oriole.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This activity was also developing in an environment favorable for the
formation of funnel clouds. Stay tuned to NOAA weather radio and
local media for additional updates and possible warnings.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2640 8011 2649 8018 2670 8001 2646 7983
TIME...MOT...LOC 1357Z 237DEG 11KT 2648 8009

SPM
Special weather statement, Aug 3, 10:33 AM EDT, 41 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>
Special weather statement, Aug 3, 11:14 AM EDT, 0 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>

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 10:43 PM EDTSpecial Marine WarningMFL62 min
Aug 3, 8:46 AM EDTRip Current StatementMFLPalm Beach11 hr
Aug 3, 9:43 AM EDTSpecial Weather StatementMFLBroward47 min
Aug 3, 9:57 AM EDTSpecial Weather StatementMFLPalm Beach33 min
Aug 3, 10:33 AM EDTSpecial Weather StatementMFLBroward42 min
Aug 3, 12:31 PM EDTSpecial Weather StatementMFLBroward44 min
Aug 3, 3:58 PM EDTSpecial Weather StatementMFLBroward47 min
Aug 3, 5:53 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach87 min

Nearby

Special Weather Statements in Florida, 2020Every special weather statement in 2020

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.