Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 18, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Sep 9, 2017, 9:52 AM 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, 9:52 AM EDT (13:52 UTC)
- Expired
- Sep 9, 2017, 10:15 AM 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), 102 km from the middle of the area, began a volume at 13:52 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, 1.9 hours before the alert went out and 99 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.
735
WFUS52 KMFL 091352
TORMFL
FLC021-091415-
/O.NEW.KMFL.TO.W.0018.170909T1352Z-170909T1415Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
952 AM EDT SAT SEP 9 2017
The National Weather Service in Miami has issued a
* Tornado Warning for...
East central Collier County in southwestern Florida...
* Until 1015 AM EDT
* At 951 AM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Hendry Correctional, or 20 miles
east of Ave Maria, moving west at 25 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
east central Collier County.
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 2625 8110 2620 8109 2616 8128 2625 8129
TIME...MOT...LOC 1351Z 084DEG 22KT 2623 8113
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
BAXTER2 follow-up statements
061
WWUS52 KMFL 091402
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
1002 AM EDT SAT SEP 9 2017
FLC021-091415-
/O.CON.KMFL.TO.W.0018.000000T0000Z-170909T1415Z/
Collier FL-
1002 AM EDT SAT SEP 9 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM EDT FOR
NORTHEASTERN COLLIER COUNTY...
At 1002 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Hendry Correctional, or 15 miles southeast of Ave
Maria, moving west at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Collier County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2625 8119 2621 8120 2619 8127 2625 8129
TIME...MOT...LOC 1402Z 090DEG 28KT 2623 8123
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
BAXTER113
WWUS52 KMFL 091408
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
1008 AM EDT SAT SEP 9 2017
FLC021-091418-
/O.EXP.KMFL.TO.W.0018.000000T0000Z-170909T1415Z/
Collier FL-
1008 AM EDT SAT SEP 9 2017
...THE TORNADO WARNING FOR NORTHEASTERN COLLIER COUNTY WILL EXPIRE AT
1015 AM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds
and heavy rain are still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Miami.
LAT...LON 2625 8119 2621 8120 2619 8127 2625 8129
TIME...MOT...LOC 1408Z 084DEG 22KT 2623 8126
$$
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, 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, 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.