Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS Lake Charles, LA

May 9, 2021Jasper County, Newton County, Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 9, 2021, 6:31 PM CDT for Jasper County, Newton County, Tyler County, Texas. It was in force for 59 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 9, 2021, 6:31 PM CDT (23:31 UTC)
Expired
May 9, 2021, 7:30 PM CDT
In force
59 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Jasper County, TX, Newton County, TX, Tyler County, TX

The radar

The Ft Polk radar (KPOE), 100 km from the middle of the area, began a volume at 23:35 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.

What was reported inside it

TimeReportWhereRemark
May 9, 6:41 PM CDTTSTM WND DMG3 Ene Ebenezer, TXJASPER COUNTY SHERIFF DEPARTMENT REPORTED A COUPLE OF TREES DOWN NEAR SAM RAYBURN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
May 9, 5:45 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.5 hours before the alert went out and 133 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2021-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1028 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2021-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1028 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

345 
WUUS54 KLCH 092331
SVRLCH
TXC241-351-457-100030-
/O.NEW.KLCH.SV.W.0070.210509T2331Z-210510T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
631 PM CDT Sun May 9 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  North central Tyler County in southeastern Texas...
  Northwestern Newton County in southeastern Texas...
  Northern Jasper County in southeastern Texas...

* Until 730 PM CDT.

* At 630 PM CDT, severe thunderstorms were located along a line
  extending from near Rosevine to 9 miles west of Pineland to 8 miles
  northwest of Ebenezer to near Rockland, moving east 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...
  Jasper, Toledo Bend Dam, Ebenezer, Rockland, Browndell, Farrsville,
  Harrisburg, Mayflower and Sam Rayburn Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3106 9453 3103 9447 3111 9406 3114 9403
      3116 9391 3118 9362 3117 9358 3119 9355
      3112 9358 3100 9375 3089 9409 3104 9457
TIME...MOT...LOC 2330Z 285DEG 26KT 3137 9396 3123 9414 3112 9427 3106
9443

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

Rua
2 follow-up statements
448 
WWUS54 KLCH 100001
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
701 PM CDT Sun May 9 2021

TXC457-100010-
/O.CAN.KLCH.SV.W.0070.000000T0000Z-210510T0030Z/
Tyler TX-
701 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL TYLER COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
west central Louisiana...and southeastern Texas.

LAT...LON 3093 9395 3097 9420 3106 9400 3116 9394
      3116 9391 3118 9362 3117 9358 3119 9355
      3112 9358 3100 9375
TIME...MOT...LOC 0000Z 280DEG 42KT 3131 9371 3117 9384 3106 9392 3097
9413

$$

TXC241-351-100030-
/O.CON.KLCH.SV.W.0070.000000T0000Z-210510T0030Z/
Newton TX-Jasper TX-
701 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN NEWTON AND NORTHEASTERN JASPER COUNTIES...

At 700 PM CDT, severe thunderstorms were located along a line
extending from 8 miles east of Hemphill to 8 miles northwest of
Mayflower to near Harrisburg to near Ebenezer, moving east at 40 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...
Jasper, Toledo Bend Dam, Harrisburg, Mayflower and Farrsville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3093 9395 3097 9420 3106 9400 3116 9394
      3116 9391 3118 9362 3117 9358 3119 9355
      3112 9358 3100 9375
TIME...MOT...LOC 0000Z 280DEG 42KT 3131 9371 3117 9384 3106 9392 3097
9413

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

Rua
790 
WWUS54 KLCH 100015
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
715 PM CDT Sun May 9 2021

TXC241-100024-
/O.CAN.KLCH.SV.W.0070.000000T0000Z-210510T0030Z/
Jasper TX-
715 PM CDT Sun May 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JASPER COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
west central Louisiana...and southeastern Texas.

LAT...LON 3097 9384 3102 9384 3117 9378 3118 9362
      3117 9358 3119 9355 3112 9358 3100 9375
TIME...MOT...LOC 0014Z 278DEG 33KT 3130 9368 3117 9371 3102 9375 3093
9385

$$

TXC351-100030-
/O.CON.KLCH.SV.W.0070.000000T0000Z-210510T0030Z/
Newton TX-
715 PM CDT Sun May 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN NEWTON COUNTY...

At 714 PM CDT, severe thunderstorms were located along a line
extending from 10 miles east of Hemphill to near Mayflower to near
Farrsville to Jamestown, moving east at 40 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...
Toledo Bend Dam, Mayflower and Farrsville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3097 9384 3102 9384 3117 9378 3118 9362
      3117 9358 3119 9355 3112 9358 3100 9375
TIME...MOT...LOC 0014Z 278DEG 33KT 3130 9368 3117 9371 3102 9375 3093
9385

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

Rua

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.