Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Sep 6, 2021, 5:48 PM EDT for Miami-Dade County, Florida. It was in force for 25 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
- Sep 6, 2021, 5:48 PM EDT (21:48 UTC)
- Expired
- Sep 6, 2021, 6:13 PM EDT
- In force
- 25 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Miami-Dade County, FL
The radar
The Miami radar (KAMX), 12 km from the middle of the area, began a volume at 21:47 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, 9.8 hours before the alert went out and 29 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
- 966 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 995 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
876 WUUS52 KMFL 062148 SVRMFL FLC086-062230- /O.NEW.KMFL.SV.W.0063.210906T2148Z-210906T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Miami FL 548 PM EDT Mon Sep 6 2021 The National Weather Service in Miami has issued a * Severe Thunderstorm Warning for... Central Miami-Dade County in southeastern Florida... * Until 630 PM EDT. * At 547 PM EDT, a severe thunderstorm was located over Country Walk, or near Kendall, moving southeast at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... The Redland, Kendall, Richmond West, Country Walk and Kendale Lakes. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2566 8063 2576 8053 2573 8035 2552 8046 TIME...MOT...LOC 2147Z 295DEG 11KT 2565 8042 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ SPM
3 follow-up statements
628 WWUS52 KMFL 062159 SVSMFL Severe Weather Statement National Weather Service Miami FL 559 PM EDT Mon Sep 6 2021 FLC086-062230- /O.CON.KMFL.SV.W.0063.000000T0000Z-210906T2230Z/ Miami-Dade FL- 559 PM EDT Mon Sep 6 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CENTRAL MIAMI-DADE COUNTY... At 559 PM EDT, a severe thunderstorm was located over Richmond Heights, or over Kendall, moving southeast at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... The Redland, Kendall, Richmond West, Country Walk and Kendale Lakes. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2562 8058 2575 8049 2573 8035 2552 8046 TIME...MOT...LOC 2159Z 295DEG 11KT 2563 8038 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ SPM
324 WWUS52 KMFL 062207 SVSMFL Severe Weather Statement National Weather Service Miami FL 607 PM EDT Mon Sep 6 2021 FLC086-062230- /O.CON.KMFL.SV.W.0063.000000T0000Z-210906T2230Z/ Miami-Dade FL- 607 PM EDT Mon Sep 6 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR CENTRAL MIAMI-DADE COUNTY... At 606 PM EDT, a severe thunderstorm was located over West Perrine, or near Kendall, moving southeast at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... The Redland, Richmond West, The Crossings, Country Walk and The Hammocks. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2562 8055 2568 8048 2567 8038 2552 8046 TIME...MOT...LOC 2206Z 295DEG 11KT 2562 8036 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ SPM
688
WWUS52 KMFL 062213
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
613 PM EDT Mon Sep 6 2021
FLC086-062222-
/O.CAN.KMFL.SV.W.0063.000000T0000Z-210906T2230Z/
Miami-Dade FL-
613 PM EDT Mon Sep 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MIAMI-DADE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
LAT...LON 2562 8055 2568 8048 2567 8038 2552 8046
TIME...MOT...LOC 2211Z 295DEG 11KT 2561 8034
$$
SPMThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 5:13 PM EDT | Special Weather Statement | MFL | Miami-Dade | 47 min |
| Sep 6, 5:45 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 2 hr |
| Sep 6, 5:54 PM EDT | Special Weather Statement | MFL | Broward | 51 min |
| Sep 6, 6:06 PM EDT | Special Weather Statement | MFL | Miami-Dade | 39 min |
| Sep 6, 6:40 PM EDT | Special Weather Statement | MFL | Miami-Dade | 50 min |
| Sep 6, 7:01 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 119 min |
| Sep 6, 7:17 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 118 min |
| Sep 6, 7:34 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 26 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.