Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 38, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 12, 2021, 11:27 AM EDT for Glades County, Hendry County, Palm Beach County, Florida. It was in force for 32 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
- Jul 12, 2021, 11:27 AM EDT (15:27 UTC)
- Expired
- Jul 12, 2021, 11:59 AM EDT
- In force
- 32 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Glades County, FL, Hendry County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 142 km from the middle of the area, began a volume at 15:25 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, 3.5 hours before the alert went out and 127 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
- 1528 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1074 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- -51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
953
WUUS52 KMFL 121527
SVRMFL
FLC043-051-099-121615-
/O.NEW.KMFL.SV.W.0038.210712T1527Z-210712T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
1127 AM EDT Mon Jul 12 2021
The National Weather Service in Miami has issued a
* Severe Thunderstorm Warning for...
Northeastern Hendry County in southern Florida...
West central Palm Beach County in southeastern Florida...
South central Glades County in southern Florida...
* Until 1215 PM EDT.
* At 1127 AM EDT, a severe thunderstorm was located near Lake Harbor,
moving northwest at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Clewiston, South Bay, Moore Haven, Lake Harbor and Harlem.
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 2689 8100 2688 8096 2665 8069 2649 8093
2678 8120 2692 8100
TIME...MOT...LOC 1527Z 150DEG 22KT 2662 8087
HAIL...<.75IN
WIND...60MPH
$$
FELL1 follow-up statement
893
WWUS52 KMFL 121559
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
1159 AM EDT Mon Jul 12 2021
FLC043-051-099-121609-
/O.CAN.KMFL.SV.W.0038.000000T0000Z-210712T1615Z/
Hendry FL-Palm Beach FL-Glades FL-
1159 AM EDT Mon Jul 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HENDRY...WEST
CENTRAL PALM BEACH AND SOUTH CENTRAL GLADES COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Miami.
LAT...LON 2689 8100 2688 8096 2665 8069 2649 8093
2678 8120 2692 8100
TIME...MOT...LOC 1557Z 150DEG 22KT 2679 8098
$$
FELLThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:48 AM EDT | Special Marine Warning | MFL | 57 min | |
| Jul 12, 5:01 AM EDT | Special Weather Statement | MFL | Broward | 44 min |
| Jul 12, 5:20 AM EDT | Special Weather Statement | MFL | Broward | 25 min |
| Jul 12, 5:55 AM EDT | Special Marine Warning | MFL | 37 min | |
| Jul 12, 6:58 AM EDT | Special Weather Statement | MFL | Monroe | 32 min |
| Jul 12, 7:22 AM EDT | Special Marine Warning | MFL | 38 min | |
| Jul 12, 7:28 AM EDT | Special Weather Statement | MFL | Monroe | 47 min |
| Jul 12, 8:40 AM EDT | Special Marine Warning | MFL | 48 min | |
| Jul 12, 8:46 AM EDT | Special Weather Statement | MFL | Miami-Dade | 44 min |
| Jul 12, 8:53 AM EDT | Special Weather Statement | MFL | Miami-Dade | 67 min |
| Jul 12, 9:15 AM EDT | Special Weather Statement | MFL | Miami-Dade | 75 min |
| Jul 12, 10:36 AM EDT | Special Marine Warning | MFL | 39 min | |
| Jul 12, 10:40 AM EDT | Special Weather Statement | MFL | Palm Beach | 50 min |
| Jul 12, 10:59 AM EDT | Special Weather Statement | MFL | Broward | 46 min |
| Jul 12, 11:09 AM EDT | Special Marine Warning | MFL | 21 min | |
| Jul 12, 11:11 AM EDT | Special Marine Warning | MFL | 49 min | |
| Jul 12, 11:14 AM EDT | Special Weather Statement | MFL | Palm Beach | 46 min |
| Jul 12, 11:20 AM EDT | Special Weather Statement | MFL | Glades, Hendry | 55 min |
| Jul 12, 11:34 AM EDT | Special Marine Warning | MFL | 41 min | |
| Jul 12, 11:37 AM EDT | Special Weather Statement | MFL | Miami-Dade | 38 min |
| Jul 12, 11:38 AM EDT | Special Weather Statement | MFL | Broward | 37 min |
| Jul 12, 11:44 AM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 46 min |
| Jul 12, 11:56 AM EDT | Special Marine Warning | MFL | 19 min | |
| Jul 12, 12:04 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 30 min |
| Jul 12, 12:07 PM EDT | Special Weather Statement | MFL | Glades | 53 min |
| Jul 12, 12:10 PM EDT | Special Weather Statement | MFL | Broward | 65 min |
| Jul 12, 12:11 PM EDT | Special Marine Warning | MFL | 49 min | |
| Jul 12, 12:14 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 16 min |
| Jul 12, 12:18 PM EDT | Special Weather Statement | MFL | Palm Beach | 27 min |
| Jul 12, 12:19 PM EDT | Special Marine Warning | MFL | 25 min | |
| Jul 12, 12:23 PM EDT | Areal Flood Advisory | MFL | Miami-Dade | 34 min |
| Jul 12, 12:31 PM EDT | Special Marine Warning | MFL | 29 min | |
| Jul 12, 12:34 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 2 hr |
| Jul 12, 12:49 PM EDT | Areal Flood Advisory | MFL | Broward, Miami-Dade | 2 hr |
| Jul 12, 12:53 PM EDT | Special Marine Warning | MFL | 97 min | |
| Jul 12, 12:57 PM EDT | Flash Flood Warning | MFL | Miami-Dade | 2 hr |
| Jul 12, 1:04 PM EDT | Special Weather Statement | MFL | Broward | 56 min |
| Jul 12, 1:06 PM EDT | Special Weather Statement | MFL | Miami-Dade | 54 min |
| Jul 12, 1:20 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Miami-Dade | 16 min |
| Jul 12, 1:22 PM EDT | Special Marine Warning | MFL | 38 min | |
| Jul 12, 2:15 PM EDT | Special Weather Statement | MFL | Palm Beach | 45 min |
| Jul 12, 2:30 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 45 min |
| Jul 12, 2:31 PM EDT | Special Marine Warning | MFL | 44 min | |
| Jul 12, 2:39 PM EDT | Special Marine Warning | MFL | 66 min | |
| Jul 12, 2:59 PM EDT | Special Marine Warning | MFL | 61 min | |
| Jul 12, 3:05 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 40 min |
| Jul 12, 3:09 PM EDT | Special Weather Statement | MFL | Palm Beach | 51 min |
| Jul 12, 3:25 PM EDT | Special Marine Warning | MFL | 35 min | |
| Jul 12, 3:36 PM EDT | Severe Thunderstorm Warning | MFL | Palm Beach | 14 min |
| Jul 12, 3:40 PM EDT | Special Marine Warning | MFL | 20 min | |
| Jul 12, 3:54 PM EDT | Special Weather Statement | MFL | Glades | 51 min |
| Jul 12, 3:56 PM EDT | Special Marine Warning | MFL | 33 min | |
| Jul 12, 5:43 PM EDT | Special Marine Warning | MFL | 47 min | |
| Jul 12, 6:33 PM EDT | Special Marine Warning | MFL | 57 min | |
| Jul 12, 6:46 PM EDT | Special Marine Warning | MFL | 29 min | |
| Jul 12, 7:07 PM EDT | Special Marine Warning | MFL | 68 min | |
| Jul 12, 7:36 PM EDT | Special Marine Warning | MFL | 39 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.