Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 52, NWS Miami, FL

August 2, 2021Broward County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 2, 2021, 3:26 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 2, 2021, 3:26 PM EDT (19:26 UTC)
Expired
Aug 2, 2021, 4:03 PM EDT
In force
37 min
Issued by
NWS Miami, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 90 km from the middle of the area, began a volume at 19:30 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 was reported inside it

TimeReportWhereRemark
Aug 2, 4:00 PM EDTTSTM WND DMG2 Ne Boca Raton Equestr, FLMEMBER OF THE PUBLIC SENT PICTURES ON SOCIAL MEDIA OF LARGE TREE BRANCHES SNAPPED ON ATLANTIC AVE JUST EAST OF THE FLORIDA TURNPIKE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 7.4 hours before the alert went out and 64 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 2021-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2021-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
1725 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

866 
WUUS52 KMFL 021926
SVRMFL
FLC011-099-022015-
/O.NEW.KMFL.SV.W.0052.210802T1926Z-210802T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
326 PM EDT Mon Aug 2 2021

The National Weather Service in Miami has issued a

* Severe Thunderstorm Warning for...
  Northern Broward County in southeastern Florida...
  Southeastern Palm Beach County in southeastern Florida...

* Until 415 PM EDT.

* At 326 PM EDT, severe thunderstorms were located along a line
  extending from near Whisper Walk to Lauderdale Lakes, moving north
  at 15 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Fort Lauderdale, Coral Springs, Pompano Beach, Sunrise and Boca
  Raton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Miami. You can also share your report with NWS Miami on
Facebook and Twitter.

&&

LAT...LON 2651 8003 2618 8006 2618 8029 2653 8027
TIME...MOT...LOC 1926Z 194DEG 12KT 2644 8020 2618 8019 

HAIL...0.75IN
WIND...60MPH
 
$$

Weinman
2 follow-up statements
713 
WWUS52 KMFL 021946
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
346 PM EDT Mon Aug 2 2021

FLC011-099-022015-
/O.CON.KMFL.SV.W.0052.000000T0000Z-210802T2015Z/
Broward FL-Palm Beach FL-
346 PM EDT Mon Aug 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN BROWARD AND SOUTHEASTERN PALM BEACH COUNTIES...

At 346 PM EDT, severe thunderstorms were located along a line
extending from near Dunes Road to Boca Pointe, moving north at 20
mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Coral Springs, Pompano Beach, Boca Raton, Deerfield Beach and Boynton
Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Miami. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2651 8003 2629 8005 2629 8028 2653 8027
TIME...MOT...LOC 1946Z 195DEG 17KT 2650 8016 2634 8017 

HAIL...0.75IN
WIND...60MPH
 
$$

Weinman
631 
WWUS52 KMFL 022003
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
403 PM EDT Mon Aug 2 2021

FLC011-099-022013-
/O.CAN.KMFL.SV.W.0052.000000T0000Z-210802T2015Z/
Broward FL-Palm Beach FL-
403 PM EDT Mon Aug 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BROWARD AND
SOUTHEASTERN PALM BEACH COUNTIES IS CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.  However gusty winds are still possible with these
thunderstorms.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Miami.

LAT...LON 2651 8003 2629 8005 2629 8028 2653 8027
TIME...MOT...LOC 2000Z 194DEG 12KT 2655 8015 2639 8016 

$$

Weinman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 2:32 AM EDTHeat AdvisoryMFLCollier, Glades, Hendry16 hr
Aug 2, 6:42 AM EDTSpecial Marine WarningMFL48 min
Aug 2, 8:57 AM EDTSpecial Marine WarningMFL24 min
Aug 2, 10:36 AM EDTSpecial Weather StatementMFLMonroe39 min
Aug 2, 12:18 PM EDTSpecial Weather StatementMFLBroward42 min
Aug 2, 1:39 PM EDTSpecial Weather StatementMFLMiami-Dade51 min
Aug 2, 2:28 PM EDTSpecial Weather StatementMFLBroward47 min
Aug 2, 2:39 PM EDTSpecial Weather StatementMFLBroward36 min
Aug 2, 3:04 PM EDTSpecial Weather StatementMFLBroward41 min
Aug 2, 3:08 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade, Palm Beach2 hr
Aug 2, 3:14 PM EDTSpecial Weather StatementMFLBroward46 min
Aug 2, 3:17 PM EDTSpecial Marine WarningMFL58 min
Aug 2, 3:33 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach117 min
Aug 2, 3:43 PM EDTSpecial Weather StatementMFLPalm Beach47 min
Aug 2, 4:01 PM EDTSpecial Marine WarningMFL59 min
Aug 2, 4:07 PM EDTSpecial Marine WarningMFL68 min
Aug 2, 4:31 PM EDTSpecial Weather StatementMFLPalm Beach44 min
Aug 2, 4:47 PM EDTSpecial Weather StatementMFLGlades43 min
Aug 2, 5:15 PM EDTSpecial Marine WarningMFL45 min
Aug 2, 5:19 PM EDTSpecial Weather StatementMFLHendry41 min
Aug 2, 5:54 PM EDTSpecial Weather StatementMFLHendry51 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.