Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 33, NWS Shreveport, LA

May 14, 2003Caddo Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at May 14, 2003, 10:08 PM CDT for Caddo Parish, Louisiana. It was in force for 52 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 14, 2003, 10:08 PM CDT (03:08 UTC)
Expired: May 14, 2003, 11:00 PM CDT
In force: 52 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Caddo Parish, LA

The radar

The Shreveport radar (KSHV), 41 km from the middle of the area, began a volume at 03:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 14, 6:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 3.1 hours before the alert went out and 40 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: 2404 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1182 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 150308
TORSHV
LAC017-150400-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1005 PM CDT WED MAY 14 2003

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CADDO PARISH IN NORTHWEST LOUISIANA

* UNTIL 1100 PM CDT

* AT 1005 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A TORNADO 10 MILES NORTHWEST OF VIVIAN...
  MOVING SOUTHEAST AT 30 MPH. ANOTHER SEVERE THUNDERSTORM WAS 
  INDICATED OVER CADDO LAKE JUST WEST OF OIL CITY...MOVING EAST 
  NEAR 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  OVER VIVIAN AT 1020 PM CDT
  OVER OIL CITY AT 1030 PM CDT

THIS THUNDERSTORM CAN PRODUCE A TORNADO THAT IS OBSCURED BY RAIN...
AND DIFFICULT TO SEE.

IF YOU ARE IN A MOBILE HOME...ABANDON IT FOR A STURDY BUILDING...OR
GET IN A DITCH OR CULVERT.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  CADDO PARISH IN NORTHWEST LOUISIANA
UNTIL 1100 PM CDT.

LAT...LON 3302 9384 3274 9384 3255 9374 3255 9402
          3302 9404

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 7:00 PM CDT	Severe Thunderstorm Warning	SHV	Lincoln	60 min
May 14, 7:06 PM CDT	Severe Thunderstorm Warning	SHV	Bienville	39 min
May 14, 7:34 PM CDT	Severe Thunderstorm Warning	SHV	Jackson	56 min
May 14, 7:58 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita	62 min
May 14, 8:12 PM CDT	Severe Thunderstorm Warning	SHV	Caldwell, Winn	63 min
May 14, 8:14 PM CDT	Flash Flood Warning	SHV	Ouachita	3 hr
May 14, 9:08 PM CDT	Flash Flood Warning	SHV	Jackson	4 hr
May 14, 10:40 PM CDT	Severe Thunderstorm Warning	SHV	Jackson, Lincoln	65 min
May 14, 10:51 PM CDT	Severe Thunderstorm Warning	SHV	Bossier	54 min
May 14, 10:54 PM CDT	Severe Thunderstorm Warning	SHV	Ouachita	51 min
May 14, 10:56 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	64 min
May 14, 11:21 PM CDT	Severe Thunderstorm Warning	SHV	Webster	54 min
May 14, 11:31 PM CDT	Flash Flood Warning	SHV	Ouachita	6 hr
May 15, 1:05 AM CDT	Severe Thunderstorm Warning	SHV	Winn	55 min
May 15, 4:18 AM CDT	Flash Flood Warning	SHV	Webster	4 hr

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; radar from the NEXRAD Level II archive.