Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 20, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 30, 2021, 5:24 PM EDT for Broward County, Collier County, Florida. It was in force for 36 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
- May 30, 2021, 5:24 PM EDT (21:24 UTC)
- Expired
- May 30, 2021, 6:00 PM EDT
- In force
- 36 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Broward County, FL, Collier County, FL
The radar
The Miami radar (KAMX), 70 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 66 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
- 988 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 808 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
498
WUUS52 KMFL 302124
SVRMFL
FLC011-021-302200-
/O.NEW.KMFL.SV.W.0020.210530T2124Z-210530T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
524 PM EDT Sun May 30 2021
The National Weather Service in Miami has issued a
* Severe Thunderstorm Warning for...
East central Collier County in southwestern Florida...
Central Broward County in southeastern Florida...
* Until 600 PM EDT.
* At 524 PM EDT, a severe thunderstorm was located near Miccosukee
Indian Reservation, or 34 miles northeast of Everglades City,
moving northeast at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Miccosukee Indian Reservation, Miccosukee Service Plaza, Big
Cypress National Preserve and 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 2596 8092 2614 8107 2630 8081 2608 8066
TIME...MOT...LOC 2124Z 239DEG 8KT 2611 8091
HAIL...1.00IN
WIND...60MPH
$$
CWCThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 3:26 PM EDT | Special Weather Statement | MFL | Broward | 49 min |
| May 30, 4:03 PM EDT | Special Weather Statement | MFL | Palm Beach | 57 min |
| May 30, 4:05 PM EDT | Special Weather Statement | MFL | Collier | 40 min |
| May 30, 5:07 PM EDT | Special Weather Statement | MFL | Monroe | 38 min |
| May 30, 5:56 PM EDT | Special Weather Statement | MFL | Hendry | 49 min |
| May 30, 7:28 PM EDT | Special Weather Statement | MFL | Monroe | 47 min |
| May 30, 7:45 PM EDT | Special Marine Warning | MFL | 45 min | |
| May 30, 7:46 PM EDT | Special Weather Statement | MFL | Palm Beach | 59 min |
| May 30, 7:59 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.