Alert archive / Florida / Special Weather Statements in 2023

Special Weather Statement, NWS Miami, FL

August 4, 2023Miami-Dade County, Florida

NWS Miami, FL issued this special weather statement at Aug 4, 2023, 1:40 PM EDT for Miami-Dade County, Florida. It was in force for 35 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 4, 2023, 1:40 PM EDT (17:40 UTC)
Expired: Aug 4, 2023, 2:15 PM EDT
In force: 35 min
Issued by: NWS Miami, FL
Hail: 0.00 in
Wind: 40

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 35 km from the middle of the area, began a volume at 17:39 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 5.7 hours before the alert went out and 295 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: 493 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 919 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 7:50 AM EDT	Special Marine Warning	MFL		25 min
Aug 4, 1:31 PM EDT	Areal Flood Advisory	MFL	Broward, Miami-Dade	119 min
Aug 4, 1:59 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Aug 4, 2:42 PM EDT	Areal Flood Advisory	MFL	Collier	2 hr
Aug 4, 2:48 PM EDT	Special Weather Statement	MFL	Martin	27 min
Aug 4, 3:27 PM EDT	Special Weather Statement	MFL	Palm Beach	48 min
Aug 4, 4:26 PM EDT	Special Weather Statement	MFL	Hendry	34 min
Aug 4, 4:50 PM EDT	Areal Flood Advisory	MFL	Broward, Hendry	104 min
Aug 4, 5:02 PM EDT	Special Weather Statement	MFL	Hendry	28 min
Aug 4, 5:09 PM EDT	Special Weather Statement	MFL	Broward	36 min
Aug 4, 5:50 PM EDT	Areal Flood Advisory	MFL	Hendry	3 hr

Nearby

Special Weather Statements in Florida, 2023 Every special weather statement in 2023

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.