Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 30, NWS Shreveport, LA

May 14, 2003Caddo Parish, De Soto Parish, Red River Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at May 14, 2003, 12:00 AM CDT for Caddo Parish, De Soto Parish, Red River Parish, Louisiana. It was in force for 60 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, 12:00 AM CDT (05:00 UTC)
Expired: May 14, 2003, 1:00 AM CDT
In force: 60 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

Counties Caddo Parish, LA, De Soto Parish, LA, Red River Parish, LA

The radar

The Shreveport radar (KSHV), 35 km from the middle of the area, began a volume at 05:01 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 13, 8:30 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 13, 10:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 5.0 hours before the alert went out and 32 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: 2326 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 401 m²/s²
Significant tornado parameter: 3.2
Supercell composite: 18.5

Open this sounding in Storm Lab

The text

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

846 
WFUS54 KSHV 140500
TORSHV
LAC017-031-081-140600-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1200 AM CDT WED MAY 14 2003

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  CADDO PARISH IN NORTHWEST LOUISIANA
  DE SOTO PARISH IN NORTHWEST LOUISIANA
  RED RIVER PARISH IN NORTHWEST LOUISIANA

* UNTIL 100 AM CDT

* AT MIDNIGHT CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER
  EXTREME SOUTHEASTERN CADDO PARISH...OR ABOUT 19 MILES NORTHEAST OF
  MANSFIELD...MOVING SOUTHEAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RURAL NORTHWESTERN RED RIVER PARISH AT 1210 AM CDT

DURING A TORNADO...SEEK SHELTER IN AN INTERIOR HALLWAY OR ROOM...ON
THE LOWEST FLOOR OF YOUR HOME...OR BUSINESS. STAY AWAY FROM WINDOWS.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  CADDO PARISH IN NORTHWEST LOUISIANA
  DE SOTO PARISH IN NORTHWEST LOUISIANA
  RED RIVER PARISH IN NORTHWEST LOUISIANA
UNTIL 100 AM CDT.

LAT...LON 3233 9359 3227 9367 3207 9357 3215 9345

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 9:34 PM CDT	Tornado Warning	SHV	Webster	26 min
May 13, 9:44 PM CDT	Tornado Warning	SHV	Claiborne	61 min
May 13, 9:48 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	42 min
May 13, 10:05 PM CDT	Tornado Warning	SHV	Caddo	40 min
May 13, 10:20 PM CDT	Severe Thunderstorm Warning	SHV	Webster	40 min
May 13, 10:24 PM CDT	Severe Thunderstorm Warning	SHV	Union	51 min
May 13, 10:35 PM CDT	Severe Thunderstorm Warning	SHV	Bienville, Lincoln	55 min
May 13, 10:44 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo, Claiborne	61 min
May 13, 11:08 PM CDT	Tornado Warning	SHV	Bossier, Caddo	52 min
May 13, 11:08 PM CDT	Tornado Warning	SHV	Bienville	67 min
May 13, 11:11 PM CDT	Severe Thunderstorm Warning	SHV	Jackson	64 min
May 13, 11:19 PM CDT	Tornado Warning	SHV	Jackson	56 min
May 13, 11:28 PM CDT	Severe Thunderstorm Warning	SHV	Webster	62 min
May 13, 11:48 PM CDT	Severe Thunderstorm Warning	SHV	Bienville	57 min
May 14, 6:02 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne, Webster	58 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; radar from the NEXRAD Level II archive.