Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 17, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Sep 9, 2017, 9:23 AM EDT for Miami-Dade County, Monroe County, Florida. It was in force for 9 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, 9:23 AM EDT (13:23 UTC)
- Expired
- Sep 9, 2017, 9:32 AM EDT
- In force
- 9 min
- Issued by
- NWS Miami, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Miami-Dade County, FL, Monroe County, FL
The radar
The Miami radar (KAMX), 33 km from the middle of the area, began a volume at 13:22 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, 1.4 hours before the alert went out and 50 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.
887
WFUS52 KMFL 091323
TORMFL
FLC086-087-091415-
/O.NEW.KMFL.TO.W.0017.170909T1323Z-170909T1415Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Miami FL
923 AM EDT SAT SEP 9 2017
The National Weather Service in Miami has issued a
* Tornado Warning for...
Northeastern Mainland Monroe County in southwestern Florida...
West central Miami-Dade County in southeastern Florida...
* Until 1015 AM EDT
* At 923 AM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Homestead General Airport, moving
west at 50 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...
Shark Valley Obs Tower around 935 AM EDT.
Big Cypress National Preserve around 950 AM EDT.
Loop Road Ee Center around 955 AM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 2564 8054 2555 8056 2551 8105 2577 8102
TIME...MOT...LOC 1323Z 098DEG 43KT 2561 8060
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Gregoria1 follow-up statement
866
WWUS52 KMFL 091332
SVSMFL
Severe Weather Statement
National Weather Service Miami FL
932 AM EDT SAT SEP 9 2017
FLC086-087-091341-
/O.CAN.KMFL.TO.W.0017.000000T0000Z-170909T1415Z/
Mainland Monroe FL-Miami-Dade FL-
932 AM EDT SAT SEP 9 2017
...THE TORNADO WARNING FOR NORTHEASTERN MAINLAND MONROE AND WEST
CENTRAL MIAMI-DADE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.
LAT...LON 2564 8054 2555 8056 2551 8105 2577 8102
TIME...MOT...LOC 1330Z 098DEG 43KT 2562 8072
$$
GregoriaThe 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, 9:35 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, 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.