Alert archive / Florida / Heat Advisories in 2024
Heat Advisory 49, NWS Miami, FL
NWS Miami, FL issued this heat advisory at Sep 12, 2024, 1:44 AM EDT for 7 counties in Florida. It took effect at Sep 12, 2024, 10:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Sep 12, 2024, 1:44 AM EDT (05:44 UTC)
- In effect from
- Sep 12, 2024, 10:00 AM EDT
- Expired
- Sep 12, 2024, 6:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 82 km from the middle of the area, began a volume at 05:45 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
Tampa Bay, FL (KTBW), launched 00:00Z, 5.7 hours before the alert went out and 224 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.
- Mixed-layer CAPE
- 1039 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1069 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 1:05 PM EDT | Special Weather Statement | MFL | Hendry | 25 min |
| Sep 12, 2:25 PM EDT | Special Weather Statement | MFL | Broward | 35 min |
| Sep 12, 4:36 PM EDT | Special Weather Statement | MFL | Miami-Dade | 24 min |
Nearby
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.