Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 20, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Sep 9, 2017, 12:22 PM EDT for Collier County, Florida. It was in force for 23 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 9, 2017, 12:22 PM EDT (16:22 UTC)
- Expired
- Sep 9, 2017, 12:45 PM EDT
- In force
- 23 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Collier County, FL
The radar
The Miami radar (KAMX), 101 km from the middle of the area, began a volume at 16:26 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 |
|---|---|---|---|
| Sep 9, 12:09 PM EDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 4.4 hours before the alert went out and 109 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
- 1745 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 926 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
385
WFUS52 KMFL 091622
TORMFL
FLC021-091645-
/O.NEW.KMFL.TO.W.0020.170909T1622Z-170909T1645Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
1222 PM EDT SAT SEP 9 2017
The National Weather Service in Miami has issued a
* Tornado Warning for...
South central Collier County in southwestern Florida...
* Until 1245 PM EDT
* At 1222 PM EDT, a severe thunderstorm capable of producing a
tornado was located near Carnestown, or near Chokoloskee, moving
west southwest 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...
Everglades City, Chokoloskee, Plantation Island and Carnestown.
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.
&&
LAT...LON 2593 8147 2592 8123 2583 8123 2579 8147
TIME...MOT...LOC 1622Z 085DEG 33KT 2588 8128
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
BAXTER2 follow-up statements
926
WWUS52 KMFL 091633
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
1233 PM EDT SAT SEP 9 2017
FLC021-091645-
/O.CON.KMFL.TO.W.0020.000000T0000Z-170909T1645Z/
Collier FL-
1233 PM EDT SAT SEP 9 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT FOR SOUTHERN
COLLIER COUNTY...
At 1233 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Everglades City, moving west at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Everglades City, Chokoloskee, Plantation Island and Carnestown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2593 8147 2591 8135 2581 8136 2579 8147
TIME...MOT...LOC 1633Z 087DEG 40KT 2586 8143
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
BAXTER722
WWUS52 KMFL 091638
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
1238 PM EDT SAT SEP 9 2017
FLC021-091648-
/O.EXP.KMFL.TO.W.0020.000000T0000Z-170909T1645Z/
Collier FL-
1238 PM EDT SAT SEP 9 2017
...THE TORNADO WARNING FOR SOUTHERN COLLIER COUNTY WILL EXPIRE AT
1245 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
A tornado watch remains in effect until midnight EDT for southwestern
Florida.
LAT...LON 2593 8147 2591 8135 2581 8136 2579 8147
TIME...MOT...LOC 1638Z 085DEG 33KT 2586 8147
$$
BAXTERThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 12:32 AM EDT | Special Weather Statement | MFL | Miami-Dade | 58 min |
| Sep 9, 5:43 AM EDT | Special Weather Statement | MFL | Miami-Dade | 47 min |
| Sep 9, 6:44 AM EDT | Special Weather Statement | MFL | Miami-Dade | 61 min |
| Sep 9, 7:03 AM EDT | Special Weather Statement | MFL | Miami-Dade | 42 min |
| Sep 9, 7:54 AM EDT | Special Weather Statement | MFL | Monroe | 66 min |
| Sep 9, 8:55 AM EDT | Special Weather Statement | MFL | Miami-Dade | 50 min |
| Sep 9, 9:16 AM EDT | Special Weather Statement | MFL | Collier | 44 min |
| Sep 9, 9:17 AM EDT | Special Weather Statement | MFL | Miami-Dade | 28 min |
| Sep 9, 9:23 AM EDT | Tornado Warning | MFL | Miami-Dade, Monroe | 9 min |
| Sep 9, 9:35 AM EDT | Special Weather Statement | MFL | Monroe | 40 min |
| Sep 9, 9:52 AM EDT | Tornado Warning | MFL | Collier | 23 min |
| Sep 9, 10:40 AM EDT | Special Weather Statement | MFL | Miami-Dade | 50 min |
| Sep 9, 10:57 AM EDT | Special Weather Statement | MFL | Collier | 33 min |
| Sep 9, 11:19 AM EDT | Special Weather Statement | MFL | Miami-Dade | 41 min |
| Sep 9, 11:37 AM EDT | Special Weather Statement | MFL | Collier | 38 min |
| Sep 9, 12:01 PM EDT | Special Marine Warning | MFL | 14 min | |
| Sep 9, 12:04 PM EDT | Special Weather Statement | MFL | Miami-Dade | 26 min |
| Sep 9, 12:05 PM EDT | Special Weather Statement | MFL | Collier | 55 min |
| Sep 9, 12:08 PM EDT | Tornado Warning | MFL | Collier | 22 min |
| Sep 9, 12:24 PM EDT | Special Marine Warning | MFL | 36 min | |
| Sep 9, 12:36 PM EDT | Special Weather Statement | MFL | Miami-Dade | 39 min |
| Sep 9, 4:13 PM EDT | Special Marine Warning | MFL | 32 min | |
| Sep 9, 4:43 PM EDT | Special Marine Warning | MFL | 47 min | |
| Sep 9, 4:46 PM EDT | Tornado Warning | MFL | Broward | 29 min |
| Sep 9, 4:48 PM EDT | Tornado Warning | MFL | Collier | 27 min |
| Sep 9, 5:34 PM EDT | Special Marine Warning | MFL | 26 min | |
| Sep 9, 5:58 PM EDT | Special Marine Warning | MFL | 32 min | |
| Sep 9, 6:16 PM EDT | Special Marine Warning | MFL | 29 min | |
| Sep 9, 6:18 PM EDT | Special Marine Warning | MFL | 27 min | |
| Sep 9, 6:22 PM EDT | Tornado Warning | MFL | Broward, Palm Beach | 38 min |
| Sep 9, 6:30 PM EDT | Tornado Warning | MFL | Broward | 30 min |
| Sep 9, 6:32 PM EDT | Special Marine Warning | MFL | 43 min | |
| Sep 9, 6:38 PM EDT | Special Marine Warning | MFL | 37 min | |
| Sep 9, 6:43 PM EDT | Special Marine Warning | MFL | 47 min | |
| Sep 9, 6:54 PM EDT | Tornado Warning | MFL | Hendry, Palm Beach | 36 min |
| Sep 9, 6:59 PM EDT | Tornado Warning | MFL | Broward | 31 min |
| Sep 9, 7:02 PM EDT | Tornado Warning | MFL | Miami-Dade | 13 min |
| Sep 9, 7:12 PM EDT | Tornado Warning | MFL | Palm Beach | 48 min |
| Sep 9, 7:13 PM EDT | Special Marine Warning | MFL | 47 min | |
| Sep 9, 7:16 PM EDT | Special Marine Warning | MFL | 59 min | |
| Sep 9, 7:24 PM EDT | Special Marine Warning | MFL | 51 min | |
| Sep 9, 7:27 PM EDT | Tornado Warning | MFL | Broward | 33 min |
| Sep 9, 7:29 PM EDT | Tornado Warning | MFL | Miami-Dade | 26 min |
| Sep 9, 7:52 PM EDT | Tornado Warning | MFL | Broward, Miami-Dade | 23 min |
Nearby
Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017
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.