Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 21, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Sep 9, 2017, 9:59 PM EDT for Saint Lucie County, Florida. It was in force for 16 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, 9:59 PM EDT (01:59 UTC)
- Expired
- Sep 9, 2017, 10:15 PM EDT
- In force
- 16 min
- Issued by
- NWS Melbourne, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 71 km from the middle of the area, began a volume at 02:02 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 00:00Z, 2.0 hours before the alert went out and 187 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1179 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
860
WFUS52 KMLB 100159
TORMLB
FLC111-100230-
/O.NEW.KMLB.TO.W.0021.170910T0159Z-170910T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Melbourne FL
959 PM EDT SAT SEP 9 2017
The National Weather Service in Melbourne has issued a
* Tornado Warning for...
North central St. Lucie County in east central Florida...
* Until 1030 PM EDT
* At 959 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Saint Lucie Airport, or over Indrio, moving west
at 20 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
north central St. Lucie 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 2741 8054 2756 8057 2756 8054 2755 8039
2746 8036
TIME...MOT...LOC 0159Z 087DEG 15KT 2750 8039
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Bragaw1 follow-up statement
854
WWUS52 KMLB 100215
SVSMLB
Severe Weather Statement
National Weather Service Melbourne FL
1015 PM EDT SAT SEP 9 2017
FLC111-100225-
/O.CAN.KMLB.TO.W.0021.000000T0000Z-170910T0230Z/
St. Lucie FL-
1015 PM EDT SAT SEP 9 2017
...THE TORNADO WARNING FOR NORTH CENTRAL ST. LUCIE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 2741 8054 2756 8057 2756 8054 2755 8039
2746 8036
TIME...MOT...LOC 0214Z 087DEG 15KT 2750 8047
$$
BragawThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 9:34 PM EDT | Tornado Warning | MLB | Saint Lucie | 26 min |
| Sep 10, 1:54 AM EDT | Areal Flood Warning | MLB | Saint Lucie | 111 min |
| Sep 10, 3:24 AM EDT | Flash Flood Warning | MLB | Saint Lucie | 111 min |
| Sep 10, 3:49 AM EDT | Tornado Warning | MLB | Indian River, Saint Lucie | 16 min |
| Sep 10, 5:14 AM EDT | Areal Flood Warning | MLB | Indian River, Saint Lucie | 3 hr |
| Sep 10, 5:14 AM EDT | Tornado Warning | MLB | Brevard | 31 min |
| Sep 10, 5:53 AM EDT | Tornado Warning | MLB | Brevard | 22 min |
| Sep 10, 8:05 AM EDT | Areal Flood Warning | MLB | Saint Lucie | 3 hr |
| Sep 10, 8:18 AM EDT | Special Marine Warning | MLB | 42 min | |
| Sep 10, 8:35 AM EDT | Special Marine Warning | MLB | 55 min | |
| Sep 10, 9:19 AM EDT | Tornado Warning | MLB | Brevard | 26 min |
| Sep 10, 9:42 AM EDT | Areal Flood Warning | MLB | Indian River | 3 hr |
| Sep 10, 10:28 AM EDT | Tornado Warning | MLB | Osceola | 32 min |
| Sep 10, 11:01 AM EDT | Tornado Warning | MLB | Brevard | 29 min |
| Sep 10, 11:12 AM EDT | Tornado Warning | MLB | Brevard | 48 min |
| Sep 10, 11:21 AM EDT | Tornado Warning | MLB | Saint Lucie | 24 min |
| Sep 10, 11:40 AM EDT | Tornado Warning | MLB | Okeechobee | 35 min |
| Sep 10, 11:48 AM EDT | Tornado Warning | MLB | Saint Lucie | 27 min |
| Sep 10, 11:58 AM EDT | Tornado Warning | MLB | Brevard, Indian River | 30 min |
| Sep 10, 12:09 PM EDT | Areal Flood Warning | MLB | Brevard, Indian River, Okeechobee, Osceola, Saint Lucie | 3 hr |
| Sep 10, 12:13 PM EDT | Tornado Warning | MLB | Osceola | 32 min |
| Sep 10, 12:41 PM EDT | Tornado Warning | MLB | Martin, Saint Lucie | 34 min |
| Sep 10, 1:27 PM EDT | Tornado Warning | MLB | Brevard, Indian River | 33 min |
| Sep 10, 1:42 PM EDT | Tornado Warning | MLB | Martin, Saint Lucie | 33 min |
| Sep 10, 1:53 PM EDT | Tornado Warning | MLB | Brevard, Indian River | 20 min |
| Sep 10, 2:37 PM EDT | Tornado Warning | MLB | Brevard | 38 min |
| Sep 10, 2:39 PM EDT | Tornado Warning | MLB | Saint Lucie | 51 min |
| Sep 10, 3:12 PM EDT | Tornado Warning | MLB | Indian River, Saint Lucie | 33 min |
| Sep 10, 3:15 PM EDT | Tornado Warning | MLB | Brevard | 30 min |
| Sep 10, 3:16 PM EDT | River Flood Warning | MLB | Osceola | 12 days |
| Sep 10, 3:22 PM EDT | Tornado Warning | MLB | Martin, Saint Lucie | 23 min |
| Sep 10, 3:56 PM EDT | Areal Flood Warning | MLB | Brevard, Indian River, Saint Lucie | 109 min |
| Sep 10, 4:09 PM EDT | Tornado Warning | MLB | Brevard | 66 min |
| Sep 10, 4:14 PM EDT | Tornado Warning | MLB | Indian River | 31 min |
| Sep 10, 4:28 PM EDT | Tornado Warning | MLB | Martin, Saint Lucie | 47 min |
| Sep 10, 4:31 PM EDT | River Flood Warning | MLB | Seminole | 38 hr |
| Sep 10, 4:38 PM EDT | Tornado Warning | MLB | Brevard, Indian River | 22 min |
| Sep 10, 4:42 PM EDT | Tornado Warning | MLB | Brevard, Seminole | 33 min |
| Sep 10, 4:44 PM EDT | Tornado Warning | MLB | Brevard, Seminole, Volusia | 16 min |
| Sep 10, 4:59 PM EDT | Tornado Warning | MLB | Brevard, Indian River | 31 min |
| Sep 10, 5:10 PM EDT | Tornado Warning | MLB | Osceola | 35 min |
| Sep 10, 5:12 PM EDT | Tornado Warning | MLB | Brevard, Seminole, Volusia | 63 min |
| Sep 10, 5:31 PM EDT | Tornado Warning | MLB | Indian River, Saint Lucie | 29 min |
| Sep 10, 5:43 PM EDT | Tornado Warning | MLB | Seminole, Volusia | 32 min |
| Sep 10, 5:45 PM EDT | Tornado Warning | MLB | Volusia | 30 min |
| Sep 10, 5:52 PM EDT | Tornado Warning | MLB | Brevard | 53 min |
| Sep 10, 5:58 PM EDT | Areal Flood Warning | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 12 hr |
| Sep 10, 6:15 PM EDT | Tornado Warning | MLB | Lake, Seminole, Volusia | 30 min |
| Sep 10, 6:34 PM EDT | Tornado Warning | MLB | Orange, Seminole | 26 min |
| Sep 10, 6:39 PM EDT | Tornado Warning | MLB | Orange | 36 min |
| Sep 10, 6:58 PM EDT | Tornado Warning | MLB | Brevard, Volusia | 32 min |
| Sep 10, 7:25 PM EDT | Tornado Warning | MLB | Lake | 35 min |
| Sep 10, 7:48 PM EDT | Flash Flood Warning | MLB | Brevard, Indian River, Osceola | 2 hr |
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.