Alert archive / Florida / Areal Flood Advisories in 2021

Areal Flood Advisory 19, NWS Miami, FL

May 12, 2021Broward County, Florida

NWS Miami, FL issued this areal flood advisory at May 12, 2021, 9:23 PM EDT for Broward County, Florida. It was in force for 112 min.

The area

The counties it named.

The facts

Issued
May 12, 2021, 9:23 PM EDT (01:23 UTC)
Expired
May 12, 2021, 11:15 PM EDT
In force
112 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

County Broward County, FL

The radar

The Miami radar (KAMX), 60 km from the middle of the area, began a volume at 01:23 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 areal flood advisory 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 areal flood advisory went out at May 12, 8:16 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, May 12, 8:16 PM EDT, 1 hour 7 minutes before
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Hazardous weather outlook, May 12, 6:21 PM EDT, 3 hours 2 minutes before
Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
621 PM EDT Wed May 12 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
131030-
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-
621 PM EDT Wed May 12 2021

...Thunderstorms possible through the Evening Hours...

This hazardous weather outlook is for South Florida.

.DAY ONE...TONIGHT

Thunderstorms: Thunderstorms are possible through this evening
across the interior and east coast metro areas. The main hazards are
gusty wind, lightning, and urban flooding.

Wind: thunderstorm wind gusts up to 50 mph are possible.

Flooding: Localized urban flooding is possible across the east coast
metro areas.

Waterspouts: An isolated waterspout is possible over Lake Okeechobee.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Heavy rain is possible on Thursday into Friday which could result in
flooding concerns. Keep up with forecast changes.

Hazardous marine and beach conditions are possible later this week
into this weekend.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however,
individual spotters are encouraged to report high winds, 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, May 12, 6:23 PM EDT, 3 hours before
Special Weather Statement
National Weather Service Miami FL
623 PM EDT Wed May 12 2021

FLZ067-122315-
Inland Palm Beach County FL-
623 PM EDT Wed May 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL PALM BEACH COUNTY UNTIL
715 PM EDT...

* At 623 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 11 miles west of Loxahatchee NWR, or
  13 miles southeast of Belle Glade, moving east at 15 mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  West Palm Beach, Wellington, Belle Glade, Royal Palm Beach,
  Loxahatchee NWR, Loxahatchee Groves, Lion Country Safari Park, The
  Acreage and Belle Glade Camp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

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 2648 8067 2665 8070 2681 8021 2646 8021
TIME...MOT...LOC 2223Z 259DEG 13KT 2657 8051

13
Special weather statement, May 12, 6:30 PM EDT, 2 hours 53 minutes before
Special Weather Statement
National Weather Service Miami FL
630 PM EDT Wed May 12 2021

FLZ067-068-071-072-168-172-122315-
Inland Broward County FL-Coastal Broward County FL-
Coastal Palm Beach County FL-Metro Broward County FL-
Inland Palm Beach County FL-Metro Palm Beach County FL-
630 PM EDT Wed May 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BROWARD AND SOUTHEASTERN
PALM BEACH COUNTIES UNTIL 715 PM EDT...

* At 630 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 8 miles
  south of Loxahatchee NWR to Coral Springs to Weston. Movement was
  east at 20 mph.

* Small hail, funnel clouds, and winds in excess of 45 mph possible
  with these storms.

* Locations impacted include...
  Fort Lauderdale, Hollywood, Coral Springs, Pompano Beach, Davie,
  Plantation, Sunrise, Boca Raton, Deerfield Beach, Boynton Beach,
  Delray Beach, Tamarac, Margate, Lighthouse Point,
  Lauderdale-By-The-Sea, Highland Beach, Ocean Ridge, Lauderhill,
  Weston and Coconut Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

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 2656 8001 2632 8002 2605 8008 2610 8049
      2624 8043 2642 8043
TIME...MOT...LOC 2230Z 257DEG 18KT 2639 8036 2626 8026 2612 8039

13
Special weather statement, May 12, 7:16 PM EDT, 2 hours 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 10:11 AM EDTSmall Craft AdvisoryMFL64 hr
May 13, 4:45 PM EDTSpecial Weather StatementMFLBroward45 min
May 13, 5:34 PM EDTSpecial Weather StatementMFLBroward41 min
May 13, 5:52 PM EDTSpecial Weather StatementMFLMiami-Dade53 min
May 13, 6:01 PM EDTSpecial Weather StatementMFLGlades44 min
May 13, 6:11 PM EDTSevere Thunderstorm WarningMFLCollier, Glades, Hendry64 min
May 13, 6:34 PM EDTSpecial Marine WarningMFL56 min
May 13, 6:50 PM EDTSpecial Weather StatementMFLMiami-Dade55 min
May 13, 7:44 PM EDTSpecial Marine WarningMFL31 min

Nearby

Areal Flood Advisories in Florida, 2021Every areal flood 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.