Alert archive / Mississippi / Tornado Warnings in 1997

Tornado Warning 21, NWS Jackson, MS

April 5, 1997Humphreys County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 5, 1997, 7:44 AM CST for Humphreys County, Mississippi. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 5, 1997, 7:44 AM CST (13:44 UTC)
Expired
Apr 5, 1997, 8:15 AM CST
In force
31 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Humphreys County, MS

What was reported inside it

TimeReportWhereRemark
Apr 5, 7:50 AM CSTThunderstorm Wind 78Isola, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 5, 3:15 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.7 hours before the alert went out and 99 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 1997-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 joules per kilogram.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.
HodographHodograph, Jackson, MS at 12:00Z on 1997-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 409 square meters per square second.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.
Mixed-layer CAPE
60 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
718 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
409 m²/s²
0-3 km storm-relative helicity
671 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 051346 RRA
TORJAN
MSC053-051415-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
744 AM CST SAT APR 5 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  815 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MISSISSIPPI
 
   ...HUMPHREYS COUNTY
 
AT 743 AM WEATHER SERVICE RADAR SHOWED A POSSIBLE TORNADO ABOUT
10 MILES WEST OF BELZONI...MOVING EAST NORTHEAST NEAR 50 MPH. IT
WILL MOVE BETWEEN ISOLA AND BELZONI BY 800 AM.  PERSONS IN THE
PATH OF THIS STORM SHOULD TAKE COVER IMMEDIATELY!!
 
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS IN AN
INTERIOR ROOM ON THE LOWEST FLOOR.  GET UNDER STURDY FURNITURE.
USE PILLOWS OR CUSHIONS TO COVER YOUR HEAD.
<
 
 
68

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 7:03 AM CSTSevere Thunderstorm WarningJANIssaquena27 min
Apr 5, 7:16 AM CSTSevere Thunderstorm WarningJANSharkey44 min
Apr 5, 7:26 AM CSTSevere Thunderstorm WarningJANWashington34 min
Apr 5, 7:33 AM CSTSevere Thunderstorm WarningJANHumphreys, Sunflower42 min
Apr 5, 7:33 AM CSTSevere Thunderstorm WarningJANYazoo42 min
Apr 5, 7:38 AM CSTSevere Thunderstorm WarningJANClaiborne52 min
Apr 5, 7:57 AM CSTSevere Thunderstorm WarningJANHolmes, Leflore48 min
Apr 5, 8:02 AM CSTSevere Thunderstorm WarningJANWarren28 min
Apr 5, 8:12 AM CSTSevere Thunderstorm WarningJANCopiah, Hinds48 min
Apr 5, 8:21 AM CSTSevere Thunderstorm WarningJANCarroll, Grenada54 min
Apr 5, 8:40 AM CSTSevere Thunderstorm WarningJANMadison, Rankin65 min
Apr 5, 8:49 AM CSTSevere Thunderstorm WarningJANYazoo41 min
Apr 5, 8:57 AM CSTSevere Thunderstorm WarningJANSimpson48 min
Apr 5, 9:29 AM CSTSevere Thunderstorm WarningJANScott46 min
Apr 5, 9:57 AM CSTSevere Thunderstorm WarningJANChoctaw48 min
Apr 5, 10:00 AM CSTSevere Thunderstorm WarningJANLeake, Neshoba45 min
Apr 5, 10:18 AM CSTSevere Thunderstorm WarningJANOktibbeha, Webster42 min
Apr 5, 11:52 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale53 min

Nearby

Tornado Warnings in Mississippi, 1997Every tornado warning in 1997Tornadoes in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.