Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 5, NWS Shreveport, LA

April 6, 2003Jackson Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 6, 2003, 4:14 PM CDT for Jackson Parish, Louisiana. It was in force for 46 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: Apr 6, 2003, 4:14 PM CDT (21:14 UTC)
Expired: Apr 6, 2003, 5:00 PM CDT
In force: 46 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Jackson Parish, LA

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 6, 3:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 9.2 hours before the alert went out and 117 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1292 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 492 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 405 m²/s²
Significant tornado parameter: 2.5
Supercell composite: 20.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 062114
TORSHV
LAC049-062200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
413 PM CDT SUN APR 6 2003

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  JACKSON PARISH IN NORTH CENTRAL LOUISIANA

* UNTIL 500 PM CDT

* AT 413 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
  9 MILES NORTH OF JONESBORO...MOVING EAST AT 40 MPH.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  JACKSON PARISH IN NORTH CENTRAL LOUISIANA
UNTIL 500 PM CDT.

LAT...LON 3218 9252 3220 9274 3245 9275 3250 9258
          3249 9242 3232 9231 3218 9233

$$

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 6, 7:22 AM CDT	Severe Thunderstorm Warning	SHV	Bienville	53 min
Apr 6, 7:38 AM CDT	Severe Thunderstorm Warning	SHV	Claiborne	67 min
Apr 6, 7:50 AM CDT	Severe Thunderstorm Warning	SHV	Jackson	55 min
Apr 6, 8:00 AM CDT	Severe Thunderstorm Warning	SHV	Lincoln	30 min
Apr 6, 8:01 AM CDT	Severe Thunderstorm Warning	SHV	Ouachita	59 min
Apr 6, 8:28 AM CDT	Severe Thunderstorm Warning	SHV	Union	62 min
Apr 6, 9:17 AM CDT	Severe Thunderstorm Warning	SHV	Ouachita	58 min
Apr 6, 10:42 AM CDT	Severe Thunderstorm Warning	SHV	Ouachita	18 min
Apr 6, 3:05 PM CDT	Severe Thunderstorm Warning	SHV	Union	55 min
Apr 6, 3:19 PM CDT	Severe Thunderstorm Warning	SHV	Bienville	56 min
Apr 6, 3:58 PM CDT	Severe Thunderstorm Warning	SHV	De Soto	47 min
Apr 6, 4:54 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita	51 min
Apr 6, 5:23 PM CDT	Severe Thunderstorm Warning	SHV	Sabine	52 min
Apr 6, 5:56 PM CDT	Severe Thunderstorm Warning	SHV	Natchitoches	64 min

Nearby

Tornado Warnings in Louisiana, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.