Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Feb 16, 2021, 6:10 AM EST for Broward County, Collier County, Hendry 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
- Feb 16, 2021, 6:10 AM EST (11:10 UTC)
- Expired
- Feb 16, 2021, 6:45 AM EST
- In force
- 35 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Broward County, FL, Collier County, FL, Hendry County, FL
The radar
The Miami radar (KAMX), 79 km from the middle of the area, began a volume at 11:09 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 00:00Z, 11.2 hours before the alert went out and 73 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
- 985 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.6
The text
As transmitted.
394 WUUS52 KMFL 161110 SVRMFL FLC011-021-051-161145- /O.NEW.KMFL.SV.W.0003.210216T1110Z-210216T1145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Miami FL 610 AM EST Tue Feb 16 2021 The National Weather Service in Miami has issued a * Severe Thunderstorm Warning for... East central Collier County in southwestern Florida... Southeastern Hendry County in southern Florida... Central Broward County in southeastern Florida... * Until 645 AM EST. * At 610 AM EST, a severe thunderstorm was located near Miccosukee Indian Reservation, or 32 miles northeast of Chokoloskee, moving northeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Miccosukee Indian Reservation, Miccosukee Service Plaza and Big Cypress National Preserve. 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 2607 8094 2611 8103 2634 8094 2624 8071 TIME...MOT...LOC 1110Z 214DEG 21KT 2614 8096 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ HVN
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 10:53 PM EST | Special Weather Statement | MFL | Miami-Dade | 52 min |
| Feb 15, 11:11 PM EST | Severe Thunderstorm Warning | MFL | Collier, Miami-Dade, Monroe | 34 min |
| Feb 15, 11:17 PM EST | Special Weather Statement | MFL | Broward | 28 min |
| Feb 15, 11:19 PM EST | Special Weather Statement | MFL | Glades | 56 min |
| Feb 15, 11:44 PM EST | Special Weather Statement | MFL | Broward | 46 min |
| Feb 16, 12:04 AM EST | Special Weather Statement | MFL | Broward | 26 min |
| Feb 16, 12:29 AM EST | Special Weather Statement | MFL | Palm Beach | 46 min |
| Feb 16, 5:59 AM EST | Special Weather Statement | MFL | Broward | 46 min |
| Feb 16, 6:23 AM EST | Tornado Warning | MFL | Broward, Collier, Hendry, Palm Beach | 37 min |
| Feb 16, 6:46 AM EST | Special Weather Statement | MFL | Palm Beach | 44 min |
| Feb 16, 6:54 AM EST | Special Weather Statement | MFL | Broward | 51 min |
| Feb 16, 7:27 AM EST | Special Weather Statement | MFL | Palm Beach | 48 min |
| Feb 16, 7:42 AM EST | Special Weather Statement | MFL | Broward | 48 min |
| Feb 16, 8:25 AM EST | Special Weather Statement | MFL | Broward | 50 min |
| Feb 16, 9:15 AM EST | Special Weather Statement | MFL | Miami-Dade | 45 min |
| Feb 16, 10:16 AM EST | Special Marine Warning | MFL | 29 min | |
| Feb 16, 10:45 AM EST | Special Marine Warning | MFL | 30 min | |
| Feb 16, 11:56 AM EST | Special Weather Statement | MFL | Miami-Dade | 49 min |
| Feb 16, 12:37 PM EST | Special Weather Statement | MFL | Miami-Dade | 23 min |
| Feb 16, 12:57 PM EST | Special Marine Warning | MFL | 48 min | |
| Feb 16, 1:17 PM EST | Special Weather Statement | MFL | Miami-Dade | 28 min |
| Feb 16, 1:57 PM EST | Special Marine Warning | MFL | 63 min | |
| Feb 16, 2:20 PM EST | Special Marine Warning | MFL | 55 min | |
| Feb 16, 3:02 PM EST | Special Weather Statement | MFL | Broward | 43 min |
| Feb 16, 3:31 PM EST | Special Weather Statement | MFL | Miami-Dade | 44 min |
| Feb 16, 3:43 PM EST | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Feb 16, 4:01 PM EST | Flash Flood Warning | MFL | Miami-Dade | 3 hr |
| Feb 16, 4:16 PM EST | Special Weather Statement | MFL | Broward | 44 min |
| Feb 16, 4:58 PM EST | Special Marine Warning | MFL | 62 min | |
| Feb 16, 5:13 PM EST | Areal Flood Advisory | MFL | Miami-Dade | 3 hr |
| Feb 16, 5:16 PM EST | Special Weather Statement | MFL | Miami-Dade | 44 min |
| Feb 16, 5:49 PM EST | Special Weather Statement | MFL | Broward | 56 min |
| Feb 16, 6:23 PM EST | Special Weather Statement | MFL | Broward | 67 min |
| Feb 16, 6:34 PM EST | Areal Flood Advisory | MFL | Broward | 4 hr |
| Feb 16, 6:51 PM EST | Special Weather Statement | MFL | Broward | 39 min |
| Feb 16, 6:59 PM EST | Areal Flood Advisory | MFL | Miami-Dade | 4 hr |
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.