Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 22, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Sep 9, 2017, 4:48 PM EDT for Collier County, Florida. It was in force for 27 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, 4:48 PM EDT (20:48 UTC)
- Expired
- Sep 9, 2017, 5:15 PM EDT
- In force
- 27 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), 112 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 122 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.
090
WFUS52 KMFL 092048
TORMFL
FLC021-092115-
/O.NEW.KMFL.TO.W.0022.170909T2048Z-170909T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
448 PM EDT SAT SEP 9 2017
The National Weather Service in Miami has issued a
* Tornado Warning for...
Southwestern Collier County in southwestern Florida...
* Until 515 PM EDT
* At 448 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Everglades City, moving west at 35 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.
* This dangerous storm will be near...
Cape Romano around 515 PM EDT.
Other locations impacted by this tornadic thunderstorm include Key
Marco, Goodland, Port Of The Island and Cape Romano Aquatic 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.
&&
LAT...LON 2597 8133 2579 8131 2577 8142 2579 8144
2577 8153 2581 8161 2577 8167 2578 8169
2598 8172
TIME...MOT...LOC 2048Z 083DEG 32KT 2588 8141
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
CWC1 follow-up statement
810
WWUS52 KMFL 092108
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
508 PM EDT SAT SEP 9 2017
FLC021-092115-
/O.CON.KMFL.TO.W.0022.000000T0000Z-170909T2115Z/
Collier FL-
508 PM EDT SAT SEP 9 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR
SOUTHWESTERN COLLIER COUNTY...
At 508 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Cape Romano, or 9 miles southeast of Marco Island,
moving west at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southwestern Collier County, including the following locations:
Goodland, Cape Romano Aquatic Preserve and Key Marco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2595 8152 2580 8152 2579 8157 2581 8161
2577 8167 2578 8167 2584 8170 2598 8172
TIME...MOT...LOC 2108Z 083DEG 32KT 2586 8161
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
CWCThe 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, 12:22 PM EDT | Tornado Warning | MFL | Collier | 23 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, 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.