Tornadoes · United States · Georgia · 2023

EF1 tornado, Allenwood to Underwood, Georgia, March 26, 2023

From Allenwood to Underwood, this EF1 tornado ran 7.0 miles across Baldwin County on March 26, 2023, touching down at 7:40 AM EDT and reaching 250 yards wide. It killed nobody.

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
March 26, 2023
Touchdown
7:40 AM EDT (11:40 UTC)
Lifted
7:50 AM EDT (11:50 UTC)
On the ground
10 minutes
Path length
7.0 miles (11.3 km)
Path width
250 yards (229 m)
Deaths
0
Injuries
0
County
Baldwin County
Touchdown point
33.086, -83.250
Lift-off point
33.119, -83.137
Record number
2303260540-01

The damage survey

39 damage points were recorded along this path by NWS FFC, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF1. The highest wind the damage implies is 105 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 prolonged, active weather pattern persisted across Georgia through late March, culminating in a series of disturbances that impacted the region March 25th through March 28th. In addition to numerous reports of damaging winds, hail and a few tornadoes, extreme rainfall amounts caused flash flooding over portions of the state. A swath of 4 or more inches of rain stretched from LaGrange, to Forsyth, to Augusta, with isolated amounts above 10 inches.

The tornado spun up in an area west of North Glynn St and West Charlton St, snapping and uprooting trees. The tornado quickly intensified to EF1 as it hit the Oconee Regional Medical Center. Several windows were blown out, much of the roof of the covered walkway on the west entrance was collapsed, and the roof of the atrium and the main building sustained some damage. The tornado continued east, snapping trees across a railroad track and damaging a roof of several industrial buildings to the south of MLK Jr Drive. Several homes were damaged along Walton St by fallen trees. A large advertisement sign was blown down along Columbus St as the tornado continued ENE paralleling MLK JR Drive and W. Mitchell St. Several homes along W. Mitchell, Fraleys|Alley, and N. Wilkinson St sustained EF0 and EF1 roof damage, and several homes had fallen trees on them. A small retail complex along N. Wilkinson St sustained damage to its facade and had windows blown out. The tornado crossed MLK Jr Dr at the intersection of N. Jefferson st where it hit Northside Baptist Church. One of the building's back wall was partially blown out, an HVAC unit was blown off into the parking lot, and the main building sustained roof and siding damage. The storm continued ENE, crossing Orchard Hill Road and striking the Baldwin Co EOC where part of a roof structure was blown off and several trees were downed. As it continued it moved across an industrial area with several large warehouses. Several of the warehouses had roof material blown off, and several walls were blown out, including a|large brick wall. A large trailer was picked up from the parking lot and thrown into one of the warehouses, and several 18 wheeler trailers were blown over. The tornado continued ENE, crossing the River and snapping and uprooting trees along Summit Road and Lake Laurel Road. As the tornado crossed Black Springs Road, a home sustained moderate roof damage as the carport was pulled away from the home. Numerous trees were snapped and uprooted in and around that area. The tornado quickly weakened as it crossed through a wooded area crossing Champions creek. The tornado lifted shortly|after crossing Sparta Hwy where a couple trees were uprooted.

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. One was issued for the county at another hour that day.

The county was under a tornado watch, issued at 11:35 UTC and running to 17:00 UTC.

Issued (UTC)ExpiredProductOffice
10:34 UTC11:35 UTCSevere Thunderstorm WatchFFC
10:57 UTC11:45 UTCSevere Thunderstorm WarningFFC
11:35 UTC17:00 UTCTornado WatchFFC
11:37 UTC12:30 UTCSevere Thunderstorm WarningFFC
11:41 UTC12:03 UTCTornado WarningFFC
12:56 UTC18:07 UTCFlood WatchFFC
14:26 UTC20:21 UTCFlash Flood WarningFFC
21:26 UTC00:16 UTCFlood WarningFFC
03:43 UTC07:24 UTCSevere Thunderstorm WatchFFC

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 05:46 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.

Peachtre/Fal Fld, GA (KFFC), 00:00Z

11.7 hours before the tornado, 125 km from the path. March 26, 2023.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2023-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 592 joules per kilogram, CIN -6, lifted condensation level 1965 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, Peachtre/Fal Fld, GA at 00:00Z on 2023-03-26The 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 164 square meters per square second, 0 to 6 km bulk shear 75 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
592 J/kg
Mixed-layer CIN
-6 J/kg
Surface CAPE
1070 J/kg
Mixed-layer LCL
1965 m above ground
0-6 km bulk shear
75 kt
0-1 km bulk shear
16 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8
0-3 km lapse rate
8.9 K/km

Open this sounding in Storm Lab

The radar

The Robins AFB radar (KJGX), 50 km away, was scanning. The volume nearest the touchdown began at 11:37 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
11:26 UTCHAIL 1.75MeriwetherBaldwin, GAREPORT VIA SOCIAL MEDIA FOR NORTH BALDWIN COUNTY.
11:40 UTCTSTM WND DMG1 N MilledgevilleBaldwin, GASEVERAL TREES AND POWERLINES DOWN NEAR THE INTERSECTION OF MLK AND JEFFERSON ST.
11:40 UTCTORNADO1 Nne AllenwoodBaldwin, GACORRECTS REPORT SOURCE. AN EF-1 TORNADO TOUCHED DOWN ON THE NORTH SIDE OF MILLEDGEVILLE AND DAMAGED PORTIONS OF OCONEE REGIONAL MEDICAL CENTER AS WELL AS A NUMBER OF HOMES AND BUSINESSES ALONG ITS 7 MILE PATH.
11:40 UTCTORNADO1 Nne AllenwoodBaldwin, GAAN EF-1 TORNADO TOUCHED DOWN ON THE NORTH SIDE OF MILLEDGEVILLE AND DAMAGED PORTIONS OF OCONEE REGIONAL MEDICAL CENTER AS WELL AS A NUMBER OF HOMES AND BUSINESSES ALONG ITS 7 MILE PATH.
11:43 UTCTORNADO1 Wnw MilledgevilleBaldwin, GAMULTIPLE TREES AND POWERLINES DOWN ACROSS NORTH MILLEDGEVILLE. THE HOSPITAL SUSTAINED ROOF DAMAGE.
11:45 UTCTORNADO1 Nne MilledgevilleBaldwin, GATHE EMERGENCY SERVICES BUILDING SUSTAINED CONSIDERABLE ROOF DAMAGE. A TREE FELL ON AN AMBULANCE.

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

This ground now

The live radar over the trackEvery 2023 tornado in GeorgiaEvery tornado in Georgia since 1950Warnings in force in Georgia nowThe forecast where you are

The other tornadoes of March 26, 2023

8 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
March 266:49 AM EDTEF3Troup, GA21.55005
March 266:24 PM CDTEF1Clarke, AL1.7340
March 268:27 PM CDTEF1Wilcox, AL0.9500
March 268:29 PM CDTEF1Wilcox, AL0.2300
March 268:30 PM CDTEF1Wilcox, AL3.2300
March 268:33 PM CDTEF2Marengo, AL5.8750
March 269:39 PM CDTEF0Autauga, AL1.0200
March 2610:22 PM CDTEF1Elmore, AL7.51,200

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.