Alert archive / Mississippi / Tornado Warnings in 2002

Tornado Warning 24, NWS Jackson, MS

May 9, 2002Humphreys County, Yazoo County, Mississippi

NWS Jackson, MS issued this tornado warning at May 9, 2002, 2:54 PM CDT for Humphreys County, Yazoo County, Mississippi. It was in force for 21 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
May 9, 2002, 2:54 PM CDT (19:54 UTC)
Expired
May 9, 2002, 3:15 PM CDT
In force
21 min
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Humphreys County, MS, Yazoo County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.9 hours before the alert went out and 79 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.

Skew-T log-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2002-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 422 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2002-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.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.
Mixed-layer CAPE
422 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KJAN 091954
TORJAN
MSC053-163-092015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
252 PM CDT THU MAY 9 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI
  NORTHERN YAZOO COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 315 PM CDT

* AT 252 PM CDT...RADAR INDICATED A DEVELOPING TORNADO ABOUT 7       
  MILES NORTHWEST OF YAZOO CITY...MOVING EAST AT 20 MPH.

THIS STORM AND POSSIBLE TORNADO WILL MOVE ACROSS RURAL PORTIONS OF 
SOUTHEAST HUMPHREYS AND NORTHERN YAZOO COUNTIES.

RADAR SHOWS STRONG SIGNS THAT A TORNADO IS DEVELOPING - TAKE COVER 
NOW

LAT...LON 3300 9051 3287 9056 3286 9042 3301 9039

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 2:29 PM CDTSevere Thunderstorm WarningJANIssaquena31 min
May 9, 2:39 PM CDTSevere Thunderstorm WarningJANSharkey36 min
May 9, 3:18 PM CDTSevere Thunderstorm WarningJANYazoo42 min
May 9, 3:45 PM CDTSevere Thunderstorm WarningJANHolmes45 min
May 9, 3:57 PM CDTSevere Thunderstorm WarningJANYazoo33 min
May 9, 4:18 PM CDTSevere Thunderstorm WarningJANMadison57 min

Nearby

Tornado Warnings in Mississippi, 2002Every tornado warning in 2002Tornadoes in 2002

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.