Tornadoes · United States · Florida · 2013

EF1 tornado, Wewahitchka to Stonemill Creek, Florida, November 26, 2013

From Wewahitchka to Stonemill Creek, this EF1 tornado ran 2.9 miles across Gulf County on November 26, 2013, touching down at 9:00 AM CST and reaching 50 yards wide. It killed nobody, and did $200,000 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.

  1. EF065 to 85 mph

    Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

  2. EF186 to 110 mphthis tornado

    Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

  3. 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.

  4. 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.

  5. EF4166 to 200 mph

    Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

  6. 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.

  7. 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
EF1
Date
November 26, 2013
Touchdown
9:00 AM CST (15:00 UTC)
Lifted
9:05 AM CST (15:05 UTC)
On the ground
5 minutes
Path length
2.9 miles (4.7 km)
Path width
50 yards (46 m)
Deaths
0
Injuries
0
Property damage
$200,000
County
Gulf County
Touchdown point
30.087, -85.190
Lift-off point
30.127, -85.175
Record number
1311260900-01

The damage survey

7 damage points were recorded along this path by NWS TAE, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF1. The highest wind the damage implies is 94 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 surface low deepened and tracked northeastward through the Florida Panhandle and southern Georgia during the morning hours. Ahead of this low, a warm front was able to move northward and bring an unstable airmass into portions of the Florida Panhandle. Strong shear in place aided in the development of isolated severe thunderstorms with a couple of weak tornadoes and straight line wind damage reports.

This tornado was rated as an EF1 with max winds estimated around 95 mph and a path length of 2.92 miles. Damage consisted primarily of trees snapped and uprooted with power lines down, but there was also some structural damage to outbuildings and homes. The tornado tracked through the Land's Landing area and through Cochran Landing and out at Cox Landing. The worst damage was on Cox Landing Road where one home and vehicle suffered significant damage. The homeowner's boat was also blown away by the tornado and was missing. The homeowner was not home at the time. At least a few people witnessed this tornado, and dual-pol radar showed a well defined tornado debris signature (TDS) with this storm extending up to around 10,000 ft. Monetary damage was estimated.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

The warnings

14 minutes of warning. NWS TAE issued a tornado warning for this county at 14:46 UTC, 14 minutes before the tornado touched down, in force until 15:15 UTC.

The county was under a tornado watch, issued at 14:54 UTC and running to 21:14 UTC.

Issued (UTC)ExpiredProductOffice
14:46 UTC15:15 UTCTornado WarningTAE
14:54 UTC21:14 UTCTornado WatchTAE
15:12 UTC15:22 UTCTornado WarningTAE

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 Slight Risk, with a 0.05 chance of a tornado within 25 miles. The outlook in force was issued at 12:50 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.

Tallahassee Rgnl, FL (KTLH), 12:00Z

3.0 hours before the tornado, 91 km from the path. November 26, 2013.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2013-11-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 0 joules per kilogram, CIN -44732, lifted condensation level 516 meters above ground. Wind barbs in knots down the right edge.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2013-11-26The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 315 square meters per square second, 0 to 6 km bulk shear 56 knots.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
-44732 J/kg
Surface CAPE
0 J/kg
Mixed-layer LCL
516 m above ground
0-6 km bulk shear
56 kt
0-1 km bulk shear
28 kt
0-1 km storm-relative helicity
315 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
3.6 K/km

Open this sounding in Storm Lab

Tallahassee Rgnl, FL (KTLH), 00:00Z

9.0 hours after it, 91 km from the path. November 27, 2013.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2013-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 529 joules per kilogram, CIN 0, lifted condensation level 468 meters above ground. Wind barbs in knots down the right edge.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed. The warm shading is its CAPE, the cool shading the inhibition it has to break through.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2013-11-27The wind through the lowest 10 kilometers as a curve, rings every 10 meters per second labeled in knots. Zero to 1 km storm-relative helicity 269 square meters per square second, 0 to 6 km bulk shear 49 knots.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km. RM and LM are the right and left moving storms Bunkers' method gives; the shaded area is the 0 to 1 km storm-relative helicity.
Mixed-layer CAPE
529 J/kg
Mixed-layer CIN
0 J/kg
Surface CAPE
1025 J/kg
Mixed-layer LCL
468 m above ground
0-6 km bulk shear
49 kt
0-1 km bulk shear
35 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.7
0-3 km lapse rate
5.6 K/km

Open this sounding in Storm Lab

The surface observations

Tyndall Afb (PAM), 38 km from the path, in the two hours either side.

Time (UTC)Temp (°F)Dew point (°F)WindGust (kt)Pressure (mb)Weather
13:03 UTC64.462.6100° 11 kt171008.5RA BR
13:18 UTC64.464.4120° 18 kt241009.1-RA BR
13:23 UTC64.462.6120° 14 kt241008.8+RA BR
13:28 UTC64.462.6120° 12 kt201008.8RA BR
13:33 UTC64.462.6120° 8 kt201009.1+RA BR
13:38 UTC64.462.6120° 10 kt1009.1+RA BR
13:43 UTC64.462.6110° 12 kt1008.8+RA BR
13:48 UTC64.462.6120° 13 kt1008.8+RA FG
13:56 UTC64.462.680° 8 kt1008.1+RA FG VCTS
13:58 UTC65.1263.3290° 10 kt1008.1+TSRA FG
14:00 UTC64.462.6110° 9 kt1008.5+TSRA FG
14:05 UTC64.462.650° 7 kt1008.1+TSRA FG
14:20 UTC64.462.640° 8 kt1008.1+TSRA FG
14:27 UTC66.264.4110° 5 kt151009.1+TSRA FG
14:49 UTC6866.2190° 10 kt191007.8RA BR
14:58 UTC69.868170° 15 kt241007.8-SHRA
15:58 UTC7169180° 13 kt211007.8
16:56 UTC71.669.8180° 15 kt221006.8

From the Iowa Environmental Mesonet's archive of airport observations.

The radar

The Eglin Afb radar (KEVX), 87 km away, was scanning. The volume nearest the touchdown began at 15:01 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)ReportWhereCountyRemark
13:37 UTCTSTM WND GST 43Apalachicola AirportFranklin, FL
15:00 UTCTORNADO 13 S Stonemill CreekGulf, FLTORNADO RATED EF1 WITH MAXIMUM WINDS OF 94 MPH AND A PATH LENGTH OF 2.9 MILES. PRIMARILY TREE DAMAGE WITH SOME DAMAGE TO OUTBUILDINGS.
15:00 UTCTORNADO3 S Stonemill CreekGulf, FLPOSSIBLE TORNADO, TREES UPROOTED, FENCE IS GONE AND DAMAGE TO BACK PORCH
15:19 UTCTORNADORed HillLiberty, FLREPORT OF A TOUCHDOWN/TREES DOWN NEAR RED HILL. EITHER CONTINUATION OF GULF COUNTY TORNADO OR NEW TOUCHDOWN FROM SAME SUPERCELL.
16:16 UTCFUNNEL CLOUD4 Nw FrinkCalhoun, FLFUNNEL CLOUD REPORTED CROSSING OVER HWY-20

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

This ground now

The live radar over the trackEvery 2013 tornado in FloridaEvery tornado in Florida since 1950Warnings in force in Florida nowThe forecast where you are

The other tornadoes of November 26, 2013

3 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
November 2610:13 AM ESTEF0Liberty, FL4.250
November 2610:15 PM ESTEF2Carteret, NC0.42002$2.5 million
November 2610:17 PM ESTEF1Carteret, NC3.2200$4.0 million

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.