Tornadoes · United States · Florida · 2015
EF0 tornado, Boca Raton, Florida, February 5, 2015
This EF0 tornado ran 1.1 miles across Palm Beach County on February 5, 2015, touching down at 7:37 AM EST and reaching 50 yards wide. It killed nobody, and did $8,000 of property damage.
The rating scale
Tracks are drawn in the color of the rating. The Enhanced Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.
EF065 to 85 mphthis tornado
Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.
EF186 to 110 mph
Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.
EF2111 to 135 mph
Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.
EF3136 to 165 mph
Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.
EF4166 to 200 mph
Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.
EF5over 200 mph
Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.
Unrated
The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.
The record
- Rating
- EF0
- Date
- February 5, 2015
- Touchdown
- 7:37 AM EST (12:37 UTC)
- Lifted
- 7:38 AM EST (12:38 UTC)
- On the ground
- 1 minutes
- Path length
- 1.1 miles (1.8 km)
- Path width
- 50 yards (46 m)
- Deaths
- 0
- Injuries
- 0
- Property damage
- $8,000
- County
- Palm Beach County
- Touchdown point
- 26.387, -80.143
- Lift-off point
- 26.393, -80.127
- Record number
- 1502050637-01
The damage survey
23 damage points were recorded along this path by NWS MFL, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF1. The highest wind the damage implies is 90 mph.
Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.
What the Weather Service recorded
A cold front moved across South Florida with showers and severe thunderstorms ahead of the front. One of these severe thunderstorms spawned a tornado in Boca Raton.
A tornado touched down in the Woodfield Hunt Club community of Boca Raton at 736 AM EST. Damage consisted of several uprooted trees, several large trees snapped halfway up and a tree felled into a house. Roofing was damaged from downed trees and limbs and strong winds also removed numerous Spanish tiles from many homes. Of note was a projectile in the form of a 6-12 inch diameter tree limb which punctured a roof. The tree limb was likely carried by the tornado from an adjacent neighborhood. ||The tornado lifted just west of Jog Road and touched down again on the east side of Jog Road. This segment of the tornado was rated an EF-1. Damage total is estimated.
The tornado which had initially touched down at the Woodfield Hunt Club community in West Boca touched down again in The Colonnade community, then continued on a ENE track across St. Andrews Blvd and affecting the Les Jardins community, then lifting at Patch Reef Park south of Yamato Road and west of Military Trail. ||Damage in this segment represented EF-0 magnitude and consisted mainly of roof damage, downed trees and branches and light poles (especially at Patch Reef Park). A light pole at the park fell on a city vehicle. Total damage to park was around $8,000 and included the light pole and the windshield of the city vehicle.
From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.
The warnings
No tornado warning for this county appears in the archive as in force at the moment the tornado touched down.
| Issued (UTC) | Expired | Product | Office |
|---|---|---|---|
| 12:24 UTC | 13:00 UTC | Severe Thunderstorm Warning | MFL |
Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.
The forecast that day
The Storm Prediction Center had this point in a General Thunderstorms Risk. The outlook in force was issued at 05:20 UTC.
SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.
The air that afternoon
The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.
Miami, FL (KMFL), 12:00Z
0.6 hours before the tornado, 65 km from the path. February 5, 2015.
- Mixed-layer CAPE
- 859 J/kg
- Mixed-layer CIN
- -9 J/kg
- Surface CAPE
- 939 J/kg
- Mixed-layer LCL
- 704 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 6.2
- 0-3 km lapse rate
- 5.9 K/km
Miami, FL (KMFL), 00:00Z
11.4 hours after it, 65 km from the path. February 6, 2015.
- Mixed-layer CAPE
- 109 J/kg
- Mixed-layer CIN
- -20 J/kg
- Surface CAPE
- 145 J/kg
- Mixed-layer LCL
- 733 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
- 0-3 km lapse rate
- 5.4 K/km
The surface observations
Boca Raton Airport (BCT), 3 km from the path, in the two hours either side.
| Time (UTC) | Temp (°F) | Dew point (°F) | Wind | Gust (kt) | Pressure (mb) | Weather |
|---|---|---|---|---|---|---|
| 11:47 UTC | 75.2 | 68 | 220° 14 kt | 1014.2 | ||
| 12:47 UTC | 73.4 | 66.2 | 240° 26 kt | 40 | 1013.9 | TSRA BR |
| 13:29 UTC | 68 | 64.4 | 290° 8 kt | 16 | 1014.9 | -TSRA BR |
| 13:55 UTC | 68 | 64.4 | 280° 10 kt | 1014.6 | -RA BR |
From the Iowa Environmental Mesonet's archive of airport observations.
The radar
The Miami radar (KAMX), 91 km away, was scanning. The volume nearest the touchdown began at 12:36 UTC.
Open the radar archive at this moment, over the track
Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.
What was reported nearby
Local storm reports within 60 km of the path, in the three hours either side.
| Time (UTC) | Report | Where | County | Remark |
|---|---|---|---|---|
| 12:36 UTC | TORNADO | 1 Ene Boca West | Palm Beach, FL | TORNADO HAD TWO TOUCHDOWNS. FIRST TOUCHDOWN RATED EF-1. SECOND TOUCHDOWN WAS AN EF-0. SEVERAL TREES UPROOTED OR SNAPPED HALFWAY UP TRUNKS. TREE ONTO HOUSE. TREE LIMB AS PROJECTILE PENETRATED A ROOF. |
| 12:36 UTC | TORNADO | 1 Ene Boca West | Palm Beach, FL | PRELIMINARY RATING OF EF-1. SEVERAL TREES UPROOTED OR SNAPPED HALFWAY UP TRUNKS. TREE ONTO HOUSE. ROOF AND WINDOW DAMAGES. |
| 12:39 UTC | TSTM WND DMG | 1 Ene Boca West | Palm Beach, FL | WINDOWS WERE BLOWN OUT OF A HOUSE NEAR BOCA WEST. A TREE WAS DOWN ACROSS A DRIVEWAY AND A FENCE BLOWN DOWN. |
| 12:42 UTC | TSTM WND DMG | 4 W Boynton Beach | Palm Beach, FL | POWER LINES DOWN AT BOYNTON BEACH ROAD AND HAGEN RANCH ROAD. |
| 12:43 UTC | TSTM WND GST 49 | 3 Wsw Delray Beach | Palm Beach, FL | 49 MPH GUST AT THE DELRAY MEDICAL CENTER |
| 12:47 UTC | TSTM WND GST 46 | Boca Raton | Palm Beach, FL |
From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.
This ground now
The live radar over the trackEvery 2015 tornado in FloridaEvery tornado in Florida since 1950Warnings in force in Florida nowThe forecast where you are
The other tornadoes of February 5, 2015
1 more were confirmed in the United States that day.
| Date | Time | Rating | Where | Path (mi) | Width (yd) | Deaths | Injuries | Damage |
|---|---|---|---|---|---|---|---|---|
| February 5 | 7:36 AM EST | EF1 | Palm Beach, FL | 0.3 | 70 | $5,000 |
What this means
Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.
Sources
NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.