Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 102, NWS Lake Charles, LA

June 15, 2021Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 15, 2021, 5:08 PM CDT for Jefferson County, Texas. 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: Jun 15, 2021, 5:08 PM CDT (22:08 UTC)
Expired: Jun 15, 2021, 6:00 PM CDT
In force: 52 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Jefferson County, TX

The radar

The Lake Charles radar (KLCH), 83 km from the middle of the area, began a volume at 22:12 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.1 hours before the alert went out and 85 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: 2560 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

700 
WUUS54 KLCH 152208
SVRLCH
TXC245-152300-
/O.NEW.KLCH.SV.W.0102.210615T2208Z-210615T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
508 PM CDT Tue Jun 15 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Central Jefferson County in southeastern Texas...

* Until 600 PM CDT.

* At 507 PM CDT, a severe thunderstorm was located over Port Acres,
  or near Nederland, moving southwest at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Beaumont, Port Arthur, Nederland, Groves, Port Neches, Sabine Pass,
  Central Gardens, La Belle, Port Acres, Southeast Texas Regional
  Airport and Sea Rim State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2988 9427 3005 9407 2991 9390 2984 9395
      2979 9395 2975 9389 2974 9389 2974 9388
      2968 9384 2968 9385 2967 9388 2968 9393
      2968 9403 2965 9412
TIME...MOT...LOC 2207Z 031DEG 26KT 2992 9400 

HAIL...1.00IN
WIND...60MPH
 
$$

K. Kuyper

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 4:22 PM CDT	Special Weather Statement	LCH	Hardin	23 min
Jun 15, 4:54 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson, Orange	49 min
Jun 15, 5:12 PM CDT	Special Weather Statement	LCH	Hardin	48 min
Jun 15, 5:30 PM CDT	Special Weather Statement	LCH	Orange	30 min
Jun 15, 5:39 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jefferson	48 min
Jun 15, 6:07 PM CDT	Special Weather Statement	LCH	Jefferson	53 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning in 2021

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.