Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 19, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 13, 2021, 6:11 PM EDT for Collier County, Glades County, Hendry County, Florida. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 13, 2021, 6:11 PM EDT (22:11 UTC)
- Expired
- May 13, 2021, 7:15 PM EDT
- In force
- 64 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Collier County, FL, Glades County, FL, Hendry County, FL
The radar
The Tampa radar (KTBW), 148 km from the middle of the area, began a volume at 22:13 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 6:45 PM EDT | HAIL 1 | 4 Nw Keri, FL | SPOTTER REPORTED HAIL UP TO QUARTER SIZE ON HWY 29 IN HENDRY COUNTY BETWEEN LABELLE AND FELDA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 10.2 hours before the alert went out and 148 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
- 260 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1027 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
002
WUUS52 KMFL 132211
SVRMFL
FLC021-043-051-132315-
/O.NEW.KMFL.SV.W.0019.210513T2211Z-210513T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Miami FL
611 PM EDT Thu May 13 2021
The National Weather Service in Miami has issued a
* Severe Thunderstorm Warning for...
North central Collier County in southwestern Florida...
Western Hendry County in southern Florida...
Southwestern Glades County in southern Florida...
* Until 715 PM EDT.
* At 611 PM EDT, a severe thunderstorm was located near Labelle,
moving southeast at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Labelle, Port La Belle, Felda, Devils Garden and Ortona.
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 2682 8157 2688 8153 2675 8104 2635 8125
2660 8157
TIME...MOT...LOC 2211Z 302DEG 17KT 2674 8151
TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
$$
134 follow-up statements
859
WWUS52 KMFL 132237
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
637 PM EDT Thu May 13 2021
FLC021-043-051-132315-
/O.CON.KMFL.SV.W.0019.000000T0000Z-210513T2315Z/
Collier FL-Hendry FL-Glades FL-
637 PM EDT Thu May 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTH CENTRAL COLLIER...WESTERN HENDRY AND SOUTH CENTRAL GLADES
COUNTIES...
At 637 PM EDT, a severe thunderstorm was located near Port La Belle,
or near Labelle, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Devils Garden around 725 PM EDT.
Other locations impacted by this severe thunderstorm include Keri.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Miami. You can also share your report with NWS Miami on Facebook and
Twitter.
&&
LAT...LON 2676 8152 2682 8144 2674 8105 2635 8125
2661 8157 2668 8157
TIME...MOT...LOC 2237Z 302DEG 17KT 2667 8139
TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
$$
13131
WWUS52 KMFL 132252
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
652 PM EDT Thu May 13 2021
FLC021-043-051-132315-
/O.CON.KMFL.SV.W.0019.000000T0000Z-210513T2315Z/
Collier FL-Hendry FL-Glades FL-
652 PM EDT Thu May 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTH CENTRAL COLLIER...WESTERN HENDRY AND SOUTHERN GLADES
COUNTIES...
At 652 PM EDT, a severe thunderstorm was located 9 miles southeast of
Port La Belle, or 11 miles southeast of Labelle, moving southeast at
20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
Devils Garden around 725 PM EDT.
Other locations impacted by this severe thunderstorm include Keri.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
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 2672 8150 2676 8143 2677 8120 2674 8105
2635 8125 2651 8144 2661 8150
TIME...MOT...LOC 2252Z 302DEG 17KT 2663 8132
TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
$$
13803
WWUS52 KMFL 132304
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
704 PM EDT Thu May 13 2021
FLC043-132313-
/O.CAN.KMFL.SV.W.0019.000000T0000Z-210513T2315Z/
Glades FL-
704 PM EDT Thu May 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GLADES COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 2676 8121 2672 8107 2647 8119 2635 8125
2638 8128 2651 8140 2668 8141
TIME...MOT...LOC 2303Z 304DEG 25KT 2654 8126
$$
FLC021-051-132315-
/O.CON.KMFL.SV.W.0019.000000T0000Z-210513T2315Z/
Collier FL-Hendry FL-
704 PM EDT Thu May 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR NORTH CENTRAL COLLIER AND CENTRAL HENDRY COUNTIES...
At 703 PM EDT, a severe thunderstorm was located 9 miles southwest of
Devils Garden, or 12 miles southwest of Montura, moving southeast at
30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of north
central Collier and central Hendry Counties, including the following
locations... Keri.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
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 2676 8121 2672 8107 2647 8119 2635 8125
2638 8128 2651 8140 2668 8141
TIME...MOT...LOC 2303Z 304DEG 25KT 2654 8126
TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
$$
13649
WWUS52 KMFL 132311
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
711 PM EDT Thu May 13 2021
FLC021-051-132321-
/O.EXP.KMFL.SV.W.0019.000000T0000Z-210513T2315Z/
Collier FL-Hendry FL-
711 PM EDT Thu May 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL COLLIER AND
CENTRAL HENDRY COUNTIES WILL EXPIRE AT 715 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 2676 8121 2672 8107 2647 8119 2635 8125
2638 8128 2651 8140 2668 8141
TIME...MOT...LOC 2311Z 302DEG 17KT 2652 8123
$$
13The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 9:23 PM EDT | Areal Flood Advisory | MFL | Broward | 112 min |
| May 13, 10:11 AM EDT | Small Craft Advisory | MFL | 64 hr | |
| May 13, 4:45 PM EDT | Special Weather Statement | MFL | Broward | 45 min |
| May 13, 5:34 PM EDT | Special Weather Statement | MFL | Broward | 41 min |
| May 13, 5:52 PM EDT | Special Weather Statement | MFL | Miami-Dade | 53 min |
| May 13, 6:01 PM EDT | Special Weather Statement | MFL | Glades | 44 min |
| May 13, 6:34 PM EDT | Special Marine Warning | MFL | 56 min | |
| May 13, 6:50 PM EDT | Special Weather Statement | MFL | Miami-Dade | 55 min |
| May 13, 7:44 PM EDT | Special Marine Warning | MFL | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.