Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 166, NWS Shreveport, LA

June 8, 20214 counties in Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 8, 2021, 10:30 AM CDT for 4 counties in Texas. It was in force for 45 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 8, 2021, 10:30 AM CDT (15:30 UTC)
Expired
Jun 8, 2021, 11:15 AM CDT
In force
45 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Cherokee County, TX, Nacogdoches County, TX, Panola County, TX, Rusk County, TX

The radar

The Shreveport radar (KSHV), 139 km from the middle of the area, began a volume at 15:35 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.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 3.5 hours before the alert went out and 148 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, Shreveport, LA at 12:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1621 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, Shreveport, LA at 12:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 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
1621 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted.

357 
WUUS54 KSHV 081530
SVRSHV
TXC073-347-365-401-081615-
/O.NEW.KSHV.SV.W.0166.210608T1530Z-210608T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
1030 AM CDT Tue Jun 8 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Southwestern Panola County in northeastern Texas...
  Southern Rusk County in northeastern Texas...
  Northwestern Nacogdoches County in eastern Texas...
  Eastern Cherokee County in northeastern Texas...

* Until 1115 AM CDT.

* At 1029 AM CDT, severe thunderstorms were located along a line
  extending from near Troup to near Rusk to 7 miles southwest of
  Morrill, moving east at 45 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Nacogdoches, Rusk, Alto, Morrill, Ponta, Pinehill, New Salem,
  Trawick, Sacul, Douglass, Minden, New Summerfield, Cushing,
  Appleby, Mount Enterprise, Gallatin, Reklaw, Linwood, Lilbert and
  Dotson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3211 9514 3214 9450 3152 9455 3154 9514
      3156 9515 3156 9514 3157 9515 3157 9516
      3159 9517 3158 9519
TIME...MOT...LOC 1529Z 267DEG 39KT 3211 9507 3181 9509 3155 9519 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

04
1 follow-up statement
620 
WWUS54 KSHV 081559
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
1059 AM CDT Tue Jun 8 2021

TXC073-347-365-401-081615-
/O.CON.KSHV.SV.W.0166.000000T0000Z-210608T1615Z/
Panola TX-Rusk TX-Nacogdoches TX-Cherokee TX-
1059 AM CDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR SOUTHWESTERN PANOLA...SOUTHEASTERN RUSK...NORTHWESTERN
NACOGDOCHES AND SOUTHEASTERN CHEROKEE COUNTIES...

At 1058 AM CDT, severe thunderstorms were located along a line
extending from near Henderson to near Trawick to 6 miles north of
Pollok, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Nacogdoches, Pinehill, Douglass, Minden, Trawick, Appleby, Mount
Enterprise, Dotson, Looneyville and Lawsonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3154 9501 3182 9480 3213 9478 3214 9450
      3152 9455
TIME...MOT...LOC 1558Z 267DEG 39KT 3213 9472 3183 9474 3157 9484 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

50

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 3:29 AM CDTAreal Flood AdvisorySHVRed River2 hr
Jun 8, 5:13 AM CDTRiver Flood WarningSHVBowie, Red River52 hr
Jun 8, 5:33 AM CDTAreal Flood AdvisorySHVRed River3 hr
Jun 8, 5:37 AM CDTRiver Flood WarningSHVSabine, San Augustine14 hr
Jun 8, 9:31 AM CDTTornado Warning Tornado observedSHVSmith26 min
Jun 8, 9:52 AM CDTTornado WarningSHVCherokee23 min
Jun 8, 9:59 AM CDTSpecial Weather StatementSHVSmith, Upshur, Wood46 min
Jun 8, 10:12 AM CDTTornado WarningSHVCherokee, Rusk33 min
Jun 8, 10:43 AM CDTTornado WarningSHVRusk32 min
Jun 8, 10:51 AM CDTSevere Thunderstorm WarningSHVGregg, Harrison, Panola, Rusk54 min
Jun 8, 11:15 AM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Panola, Rusk, San Augustine, Shelby45 min
Jun 8, 11:43 AM CDTSevere Thunderstorm WarningSHVHarrison, Panola, Shelby50 min
Jun 8, 12:05 PM CDTSpecial Weather StatementSHVSabine, Shelby40 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.