Alert archive / Texas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 39, NWS Lake Charles, LA

May 13, 2004Orange County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 13, 2004, 2:36 PM CDT for Orange County, Texas. It was in force for 54 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 13, 2004, 2:36 PM CDT (19:36 UTC)
Expired: May 13, 2004, 3:30 PM CDT
In force: 54 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

County Orange County, TX

The radar

The Lake Charles radar (KLCH), 67 km from the middle of the area, began a volume at 19:40 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, 12:10 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.6 hours before the alert went out and 68 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: 1515 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 727 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

596 
WUUS54 KLCH 131936
SVRLCH
TXC361-132030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
235 PM CDT THU MAY 13 2004

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ORANGE COUNTY IN SOUTHEAST TEXAS

* UNTIL 330 PM CDT

* AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DIME SIZE      
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORM WERE
  LOCATED NORTHWEST OF VIDOR...AND MOVING SOUTHEAST AT 30 MPH.

* STORMS WILL BE NEAR...
  VIDOR BY 235 PM CDT
  MAURICEVILLE BY 245 PM CDT
  BRIDGE CITY BY 300 PM CDT
  ORANGE BY 305 PM CDT
  WEST ORANGE BY 310 PM CDT

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS.

CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

LAT...LON 3023 9409 3011 9407 3002 9401 2999 9384
          3003 9376 3014 9371 3024 9372

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 1:32 PM CDT	Tornado Warning	LCH	Tyler	28 min
May 13, 1:46 PM CDT	Severe Thunderstorm Warning	LCH	Jasper	59 min
May 13, 2:28 PM CDT	Severe Thunderstorm Warning	LCH	Newton	62 min
May 13, 2:32 PM CDT	Tornado Warning	LCH	Jasper	28 min
May 13, 3:23 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson	52 min
May 13, 4:15 PM CDT	Flash Flood Warning	LCH	Jefferson, Orange	4 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2004 Every severe thunderstorm warning in 2004

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.