Tornadoes · United States · Mississippi · 2002

F0 tornado, Polkville to Raleigh, Mississippi, October 3, 2002

From Polkville to Raleigh, this F0 tornado ran 0.5 miles across Smith County on October 3, 2002, touching down at 3:13 PM CDT and reaching 50 yards wide. It killed nobody, and did $3,000 of property damage.

The rating scale

Tracks are drawn in the color of the rating. The Fujita scale rates the damage rather than measuring the wind: the speeds are what that damage is taken to imply.

  1. F040 to 72 mphthis tornado

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

  2. F173 to 112 mph

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

  3. F2113 to 157 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. F3158 to 206 mph

    Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

  5. F4207 to 260 mph

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

  6. F5261 to 318 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
F0
Date
October 3, 2002
Touchdown
3:13 PM CDT (20:13 UTC)
Path length
0.5 miles (0.8 km)
Path width
50 yards (46 m)
Deaths
0
Injuries
0
Property damage
$3,000
County
Smith County
Touchdown point
32.100, -89.700
Lift-off point
32.100, -89.700
Record number
877

What the Weather Service recorded

A National Weather Service survey team found trees down in Northwest Smith County, about 6 miles south of Polkville. The tops of several trees were also snapped off. No other property damage was noted.

A National Weather Service Survey discovered at least 20 trees down in northern Smith County about 3 miles northeast of Raleigh. Some of the trees destroyed were quite large, including two which were located on the edge of a cemetery near a small church. Other structures at the cemetery were east of the damage path and were undamaged.

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

The warnings

9 minutes of warning. NWS JAN issued a tornado warning for this county at 20:04 UTC, 9 minutes before the tornado touched down, in force until 20:35 UTC.

Issued (UTC)ExpiredProductOffice
17:59 UTC18:25 UTCTornado WarningJAN
19:07 UTC19:45 UTCTornado WarningJAN
20:04 UTC20:35 UTCTornado WarningJAN
20:37 UTC21:25 UTCTornado WarningJAN

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 19:05 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.

Jackson, MS (KJAN), 12:00Z

8.2 hours before the tornado, 43 km from the path. October 3, 2002.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2002-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 60 joules per kilogram, CIN -176, lifted condensation level 989 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 2002-10-03The 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 100 square meters per square second, 0 to 6 km bulk shear 36 knots.193958Sfc1 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
60 J/kg
Mixed-layer CIN
-176 J/kg
Surface CAPE
44 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
36 kt
0-1 km bulk shear
27 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0
0-3 km lapse rate
4.4 K/km

Open this sounding in Storm Lab

Jackson, MS (KJAN), 00:00Z

3.8 hours after it, 43 km from the path. October 4, 2002.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2002-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel lifted from the surface. Mixed-layer CAPE 137 joules per kilogram, CIN -22, lifted condensation level 667 meters above ground. Wind barbs in knots down the right edge.LCLLFCEL10008507005003002001001 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, Jackson, MS at 00:00Z on 2002-10-04The 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 189 square meters per square second, 0 to 6 km bulk shear 35 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
137 J/kg
Mixed-layer CIN
-22 J/kg
Surface CAPE
294 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
35 kt
0-1 km bulk shear
31 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8
0-3 km lapse rate
5.2 K/km

Open this sounding in Storm Lab

This ground now

The live radar over the trackEvery 2002 tornado in MississippiEvery tornado in Mississippi since 1950Warnings in force in Mississippi nowThe forecast where you are

The other tornadoes of October 3, 2002

24 more were confirmed in the United States that day.

DateTimeRatingWherePath (mi)Width (yd)DeathsInjuriesDamage
October 38:40 AM CDTF1Saint Tammany Parish, LA0.330$30,000
October 39:30 AM CDTF1Terrebonne Parish, LA0.330$30,000
October 311:00 AM CDTF0Hancock, MS0.330$10,000
October 311:06 AM CDTF0Lafayette Parish, LA1.020$30,000
October 311:08 AM CDTF1Acadia Parish, LA1.020$500,000
October 311:25 AM CDTF0Acadia Parish, LA1.020$30,000
October 311:28 AM CDTF0Lafayette Parish, LA1.010$1.0 million
October 311:30 AM CDTF0Saint Tammany Parish, LA0.325$30,000
October 311:43 AM CDTF0Acadia Parish, LA1.010$30,000
October 311:55 AM CDTF0Lafayette Parish, LA1.010$10,000
October 311:58 AM CDTF0Acadia Parish, LA1.010$30,000
October 312:00 PM CDTF0Pearl River, MS0.330$10,000
October 312:22 PM CDTF0Evangeline Parish, LA1.010$30,000
October 312:28 PM CDTF0Acadia Parish, LA1.010$10,000
October 31:15 PM CDTF0Evangeline Parish, LA1.010$30,000
October 31:15 PM CDTF0Smith, MS0.550$3,000
October 31:30 PM CDTF0Scott, MS0.550$3,000
October 33:00 PM CDTF0Rapides Parish, LA1.015$10,000
October 33:22 PM CDTF0Scott, MS0.550$1,000
October 33:50 PM CDTF0Harrison, MS0.330$10,000
October 33:59 PM CDTF1Smith, MS1.0150$10,000
October 34:52 PM CDTF1LaSalle Parish, LA2.525
October 35:30 PM CDTF0Stone, MS0.120$10,000
October 35:30 PM CDTF0Rapides Parish, LA1.010$10,000

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.