Alert archive / Florida / Tornado Warnings in 2020
Tornado Warning 8, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Nov 11, 2020, 12:50 PM EST for 4 counties in 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
- Nov 11, 2020, 12:50 PM EST (17:50 UTC)
- Expired
- Nov 11, 2020, 1:15 PM EST
- In force
- 25 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Broward County, FL, Collier County, FL, Hendry County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 94 km from the middle of the area, began a volume at 17:51 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 11, 8:04 AM EST | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 5.8 hours before the alert went out and 88 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
- 505 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 881 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.5
The text
As transmitted.
697
WFUS52 KMFL 111750
TORMFL
FLC011-021-051-099-111815-
/O.NEW.KMFL.TO.W.0008.201111T1750Z-201111T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
1250 PM EST Wed Nov 11 2020
The National Weather Service in Miami has issued a
* Tornado Warning for...
East central Collier County in southwestern Florida...
Southeastern Hendry County in southern Florida...
Northern Broward County in southeastern Florida...
Southwestern Palm Beach County in southeastern Florida...
* Until 115 PM EST.
* At 1249 PM EST, a severe thunderstorm capable of producing a
tornado was located 10 miles southwest of Big Cypress Seminole
Reservation, or 25 miles southeast of Ave Maria, moving north at 40
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Big Cypress Seminole Reservation, Rotenberger Wildlife Refuge and
Big Cypress National Preserve.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
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 2613 8098 2614 8115 2645 8120 2642 8081
TIME...MOT...LOC 1749Z 188DEG 36KT 2618 8106
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Weinman3 follow-up statements
480
WWUS52 KMFL 111800
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
100 PM EST Wed Nov 11 2020
FLC011-021-051-099-111815-
/O.CON.KMFL.TO.W.0008.000000T0000Z-201111T1815Z/
Collier FL-Hendry FL-Broward FL-Palm Beach FL-
100 PM EST Wed Nov 11 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM EST FOR EAST
CENTRAL COLLIER...SOUTHEASTERN HENDRY...NORTHERN BROWARD AND
SOUTHWESTERN PALM BEACH COUNTIES...
At 100 PM EST, a confirmed tornado was located near Big Cypress
Seminole Reservation, or 23 miles east of Ave Maria, moving north at
40 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Big Cypress Seminole Reservation and Rotenberger Wildlife Refuge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to an
interior room on the lowest floor of a sturdy building and avoid
windows. If you are outdoors, in a mobile home, or in a vehicle, move
to the closest substantial shelter and protect yourself from flying
debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 2621 8093 2621 8116 2645 8120 2642 8081
TIME...MOT...LOC 1800Z 185DEG 35KT 2629 8106
TORNADO...OBSERVED
HAIL...0.00IN
$$
Weinman855
WWUS52 KMFL 111808
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
108 PM EST Wed Nov 11 2020
FLC011-021-099-111817-
/O.CAN.KMFL.TO.W.0008.000000T0000Z-201111T1815Z/
Collier FL-Broward FL-Palm Beach FL-
108 PM EST Wed Nov 11 2020
...THE TORNADO WARNING FOR EAST CENTRAL COLLIER...NORTHERN BROWARD
AND SOUTHWESTERN PALM BEACH COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area.Therefore, the warning has been cancelled.
LAT...LON 2628 8097 2628 8116 2645 8120 2643 8090
TIME...MOT...LOC 1807Z 188DEG 36KT 2637 8105
$$
FLC051-111815-
/O.CON.KMFL.TO.W.0008.000000T0000Z-201111T1815Z/
Hendry FL-
108 PM EST Wed Nov 11 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM EST FOR
SOUTHEASTERN HENDRY COUNTY...
At 107 PM EST, a confirmed tornado was located near Big Cypress
Seminole Reservation, or 19 miles south of Montura, moving north at
40 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Big Cypress Seminole Reservation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to an
interior room on the lowest floor of a sturdy building and avoid
windows. If you are outdoors, in a mobile home, or in a vehicle, move
to the closest substantial shelter and protect yourself from flying
debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 2628 8097 2628 8116 2645 8120 2643 8090
TIME...MOT...LOC 1807Z 188DEG 36KT 2637 8105
TORNADO...OBSERVED
HAIL...0.00IN
$$
KELLY442
WWUS52 KMFL 111811
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
111 PM EST Wed Nov 11 2020
FLC051-111820-
/O.EXP.KMFL.TO.W.0008.000000T0000Z-201111T1815Z/
Hendry FL-
111 PM EST Wed Nov 11 2020
...THE TORNADO WARNING FOR SOUTHEASTERN HENDRY COUNTY WILL EXPIRE AT
115 PM EST...
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.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Miami.
LAT...LON 2628 8097 2628 8116 2645 8120 2643 8090
TIME...MOT...LOC 1810Z 188DEG 36KT 2640 8105
$$
WeinmanThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 10:32 PM EST | Tropical Storm Warning | MFL | 23 hr | |
| Nov 11, 1:06 AM EST | Special Weather Statement | MFL | Miami-Dade | 24 min |
| Nov 11, 1:48 AM EST | Special Weather Statement | MFL | Broward | 42 min |
| Nov 11, 2:52 AM EST | Special Marine Warning | MFL | 38 min | |
| Nov 11, 3:22 AM EST | Special Weather Statement | MFL | Glades | 23 min |
| Nov 11, 3:32 AM EST | Special Marine Warning | MFL | 28 min | |
| Nov 11, 4:45 AM EST | Special Marine Warning | MFL | 60 min | |
| Nov 11, 5:09 AM EST | Special Weather Statement | MFL | Collier | 66 min |
| Nov 11, 6:15 AM EST | Special Weather Statement | MFL | Collier | 15 min |
| Nov 11, 10:33 AM EST | Special Weather Statement | MFL | Collier | 57 min |
| Nov 11, 10:59 AM EST | Coastal Flood Advisory | MFL | Collier | 26 hr |
| Nov 11, 11:13 AM EST | Special Marine Warning | MFL | 62 min | |
| Nov 11, 11:17 AM EST | Special Weather Statement | MFL | Collier | 58 min |
| Nov 11, 11:34 AM EST | Special Marine Warning | MFL | 116 min | |
| Nov 11, 12:20 PM EST | Special Weather Statement | MFL | Collier | 55 min |
| Nov 11, 12:46 PM EST | Special Marine Warning | MFL | 89 min | |
| Nov 11, 12:48 PM EST | Special Weather Statement | MFL | Hendry | 42 min |
| Nov 11, 12:54 PM EST | Special Weather Statement | MFL | Monroe | 51 min |
| Nov 11, 1:09 PM EST | Special Weather Statement | MFL | Monroe | 51 min |
| Nov 11, 1:19 PM EST | Special Weather Statement | MFL | Hendry | 56 min |
| Nov 11, 1:23 PM EST | Special Marine Warning | MFL | 52 min | |
| Nov 11, 1:25 PM EST | Areal Flood Advisory | MFL | Collier, Hendry | 6 hr |
| Nov 11, 1:34 PM EST | Severe Thunderstorm Warning | MFL | Monroe | 41 min |
| Nov 11, 1:47 PM EST | Special Marine Warning | MFL | 28 min | |
| Nov 11, 1:49 PM EST | Special Weather Statement | MFL | Glades | 56 min |
| Nov 11, 1:53 PM EST | Severe Thunderstorm Warning | MFL | Collier, Miami-Dade, Monroe | 22 min |
| Nov 11, 1:55 PM EST | Special Weather Statement | MFL | Hendry | 20 min |
| Nov 11, 2:01 PM EST | Special Weather Statement | MFL | Collier | 29 min |
| Nov 11, 2:08 PM EST | Special Marine Warning | MFL | 91 min | |
| Nov 11, 2:13 PM EST | Severe Thunderstorm Warning | MFL | Broward, Collier, Hendry, Miami-Dade, Monroe | 47 min |
| Nov 11, 2:38 PM EST | Special Weather Statement | MFL | Hendry | 37 min |
| Nov 11, 2:55 PM EST | Severe Thunderstorm Warning | MFL | Collier, Miami-Dade, Monroe | 65 min |
| Nov 11, 2:57 PM EST | Special Weather Statement | MFL | Hendry | 63 min |
| Nov 11, 3:32 PM EST | Special Weather Statement | MFL | Palm Beach | 28 min |
| Nov 11, 3:57 PM EST | Special Weather Statement | MFL | Broward, Miami-Dade, Monroe, Palm Beach | 63 min |
| Nov 11, 4:54 PM EST | Severe Thunderstorm Warning | MFL | Collier, Miami-Dade, Monroe | 36 min |
| Nov 11, 4:58 PM EST | Special Weather Statement | MFL | Broward, Miami-Dade, Palm Beach | 62 min |
| Nov 11, 5:21 PM EST | Areal Flood Advisory | MFL | Broward, Miami-Dade | 6 hr |
| Nov 11, 5:25 PM EST | Severe Thunderstorm Warning | MFL | Miami-Dade | 50 min |
| Nov 11, 5:52 PM EST | Special Weather Statement | MFL | Broward, Palm Beach | 68 min |
| Nov 11, 5:56 PM EST | Special Marine Warning | MFL | 2 hr | |
| Nov 11, 6:12 PM EST | Special Weather Statement | MFL | Miami-Dade | 63 min |
| Nov 11, 6:31 PM EST | Special Weather Statement | MFL | Broward | 59 min |
Nearby
Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes in 2020
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.