Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Miami, FL

July 27, 2021Broward County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 27, 2021, 5:28 PM EDT for Broward County, Florida. It was in force for 26 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: Jul 27, 2021, 5:28 PM EDT (21:28 UTC)
Expired: Jul 27, 2021, 5:54 PM EDT
In force: 26 min
Issued by: NWS Miami, FL
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Broward County, FL

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 9.5 hours before the alert went out and 56 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: 1191 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

080 
WUUS52 KMFL 272128
SVRMFL
FLC011-272215-
/O.NEW.KMFL.SV.W.0050.210727T2128Z-210727T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
528 PM EDT Tue Jul 27 2021

The National Weather Service in Miami has issued a

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

* Until 615 PM EDT.

* At 528 PM EDT, a severe thunderstorm was located near Miccosukee
  Service Plaza, or 27 miles west of Pembroke Pines, moving northeast
  at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  West Broward Rec. Area On Alligator Alley.

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 2605 8078 2610 8085 2624 8073 2610 8058
TIME...MOT...LOC 2128Z 238DEG 13KT 2611 8076 

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

SPM

1 follow-up statement

198 
WWUS52 KMFL 272154
SVSMFL

Severe Weather Statement
National Weather Service Miami FL
554 PM EDT Tue Jul 27 2021

FLC011-272204-
/O.CAN.KMFL.SV.W.0050.000000T0000Z-210727T2215Z/
Broward FL-
554 PM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL 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 2605 8078 2610 8085 2624 8073 2610 8058
TIME...MOT...LOC 2151Z 238DEG 13KT 2616 8067 

$$

SPM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 3:01 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Jul 27, 3:20 PM EDT	Special Weather Statement	MFL	Hendry	40 min
Jul 27, 3:23 PM EDT	Areal Flood Advisory	MFL	Collier	3 hr
Jul 27, 3:30 PM EDT	Special Weather Statement	MFL	Miami-Dade	45 min
Jul 27, 3:34 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Jul 27, 3:37 PM EDT	Special Weather Statement	MFL	Miami-Dade	53 min
Jul 27, 4:28 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Jul 27, 4:38 PM EDT	Special Weather Statement	MFL	Broward	52 min
Jul 27, 4:43 PM EDT	Special Weather Statement	MFL	Hendry	47 min
Jul 27, 4:46 PM EDT	Special Weather Statement	MFL	Miami-Dade	44 min
Jul 27, 4:54 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Jul 27, 5:16 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Jul 27, 5:25 PM EDT	Special Weather Statement	MFL	Miami-Dade	50 min
Jul 27, 5:25 PM EDT	Special Weather Statement	MFL	Broward	50 min
Jul 27, 5:26 PM EDT	Special Marine Warning	MFL		49 min
Jul 27, 5:40 PM EDT	Special Weather Statement	MFL	Palm Beach	50 min
Jul 27, 6:22 PM EDT	Special Marine Warning	MFL		38 min
Jul 27, 7:20 PM EDT	Areal Flood Advisory	MFL	Broward	3 hr
Jul 27, 7:25 PM EDT	Areal Flood Advisory	MFL	Palm Beach	3 hr

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.