Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS Miami, FL

August 3, 2021Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 3, 2021, 12:22 PM EDT for Broward County, Florida. It was in force for 23 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, 2021, 12:22 PM EDT (16:22 UTC)
Expired: Aug 3, 2021, 12:45 PM EDT
In force: 23 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Broward County, FL

The radar

The Miami radar (KAMX), 52 km from the middle of the area, began a volume at 16:25 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, 4.4 hours before the alert went out and 29 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1794 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 932 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

781 
WUUS52 KMFL 031622
SVRMFL
FLC011-031700-
/O.NEW.KMFL.SV.W.0053.210803T1622Z-210803T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
1222 PM EDT Tue Aug 3 2021

The National Weather Service in Miami has issued a

* Severe Thunderstorm Warning for...
  Broward County in southeastern Florida...

* Until 100 PM EDT.

* At 1222 PM EDT, a severe thunderstorm was located near Weston, or
  near Pembroke Pines, moving northeast at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Fort Lauderdale, Pembroke Pines, Miramar, Davie and Plantation. 

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 2598 8042 2605 8051 2627 8035 2609 8015
TIME...MOT...LOC 1622Z 234DEG 23KT 2604 8042 

HAIL...<.75IN
WIND...60MPH
 
$$

FELL

1 follow-up statement

144 
WWUS52 KMFL 031645
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
1245 PM EDT Tue Aug 3 2021

FLC011-031654-
/O.CAN.KMFL.SV.W.0053.000000T0000Z-210803T1700Z/
Broward FL-
1245 PM EDT Tue Aug 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR BROWARD COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

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

LAT...LON 2598 8042 2605 8051 2627 8035 2609 8015
TIME...MOT...LOC 1642Z 234DEG 23KT 2613 8029 

$$

FELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 9:55 PM EDT	Special Weather Statement	MFL	Hendry	50 min
Aug 2, 10:48 PM EDT	Special Weather Statement	MFL	Collier	42 min
Aug 3, 8:38 AM EDT	Special Marine Warning	MFL		25 min
Aug 3, 11:37 AM EDT	Special Weather Statement	MFL	Broward	38 min
Aug 3, 11:43 AM EDT	Special Weather Statement	MFL	Broward	32 min
Aug 3, 12:14 PM EDT	Special Weather Statement	MFL	Broward	61 min
Aug 3, 12:35 PM EDT	Special Marine Warning	MFL		40 min
Aug 3, 12:39 PM EDT	Areal Flood Advisory	MFL	Broward	111 min
Aug 3, 1:08 PM EDT	Special Weather Statement	MFL	Palm Beach	37 min
Aug 3, 1:14 PM EDT	Special Marine Warning	MFL		46 min
Aug 3, 1:40 PM EDT	Special Marine Warning	MFL		35 min
Aug 3, 1:55 PM EDT	Areal Flood Advisory	MFL	Broward	2 hr
Aug 3, 2:53 PM EDT	Special Weather Statement	MFL	Hendry	37 min
Aug 3, 4:15 PM EDT	Special Weather Statement	MFL	Collier	60 min
Aug 3, 4:36 PM EDT	Areal Flood Advisory	MFL	Collier	54 min
Aug 3, 5:07 PM EDT	Special Weather Statement	MFL	Glades	38 min
Aug 3, 5:10 PM EDT	Special Marine Warning	MFL		35 min
Aug 3, 5:13 PM EDT	Special Weather Statement	MFL	Collier, Hendry	47 min
Aug 3, 5:56 PM EDT	Special Weather Statement	MFL	Collier	49 min
Aug 3, 6:00 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	4 hr
Aug 3, 6:07 PM EDT	Special Weather Statement	MFL	Broward	38 min
Aug 3, 6:41 PM EDT	Special Weather Statement	MFL	Broward, Palm Beach	34 min
Aug 3, 7:05 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Miami-Dade	40 min
Aug 3, 7:06 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	39 min
Aug 3, 7:25 PM EDT	Areal Flood Advisory	MFL	Broward, Miami-Dade	2 hr
Aug 3, 7:26 PM EDT	Special Marine Warning	MFL		64 min
Aug 3, 7:37 PM EDT	Areal Flood Advisory	MFL	Broward, Miami-Dade	113 min
Aug 3, 7:43 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Miami-Dade	32 min
Aug 3, 7:50 PM EDT	Areal Flood Advisory	MFL	Palm Beach	115 min
Aug 3, 7:50 PM EDT	Special Weather Statement	MFL	Palm Beach	40 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.