Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 27, NWS Shreveport, LA

June 8, 2021Smith County, Texas

NWS Shreveport, LA issued this tornado warning at Jun 8, 2021, 9:31 AM CDT for Smith County, Texas. It was in force for 26 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, 9:31 AM CDT (14:31 UTC)
Expired
Jun 8, 2021, 9:57 AM CDT
In force
26 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Smith County, TX

The radar

The Shreveport radar (KSHV), 121 km from the middle of the area, began a volume at 14:30 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, 2.5 hours before the alert went out and 130 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.

255 
WFUS54 KSHV 081431
TORSHV
TXC423-081515-
/O.NEW.KSHV.TO.W.0027.210608T1431Z-210608T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Shreveport LA
931 AM CDT Tue Jun 8 2021

The National Weather Service in Shreveport has issued a

* Tornado Warning for...
  Northeastern Smith County in northeastern Texas...

* Until 1015 AM CDT.

* At 931 AM CDT, a confirmed tornado was located near Tyler, moving
  northeast at 30 mph.

  HAZARD...Damaging tornado.

  SOURCE...Emergency Management confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Smith County, including the following locations...
  Winona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3257 9521 3254 9519 3255 9518 3255 9516
      3257 9515 3255 9514 3254 9512 3256 9509
      3254 9508 3253 9504 3255 9502 3252 9502
      3253 9499 3244 9499 3230 9529 3236 9539
TIME...MOT...LOC 1431Z 224DEG 26KT 3237 9527 

TORNADO...OBSERVED
HAIL...<.75IN

$$

50
2 follow-up statements
458 
WWUS54 KSHV 081443
SVSSHV

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

TXC423-081515-
/O.CON.KSHV.TO.W.0027.000000T0000Z-210608T1515Z/
Smith TX-
943 AM CDT Tue Jun 8 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
NORTHEASTERN SMITH COUNTY...
    
At 943 AM CDT, a confirmed tornado was located 9 miles northeast of
Tyler, moving northeast at 30 mph.

HAZARD...Damaging tornado.

SOURCE...Emergency management confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Winona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3237 9520 3244 9529 3257 9521 3254 9519
      3255 9518 3255 9516 3257 9515 3255 9514
      3254 9512 3256 9509 3254 9508 3253 9504
      3255 9502 3252 9502 3253 9499 3249 9499
TIME...MOT...LOC 1443Z 224DEG 26KT 3243 9520 

TORNADO...OBSERVED
HAIL...<.75IN

$$

50
960 
WWUS54 KSHV 081457
SVSSHV

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

TXC423-081503-
/O.CAN.KSHV.TO.W.0027.000000T0000Z-210608T1515Z/
Smith TX-
957 AM CDT Tue Jun 8 2021

...THE TORNADO WARNING FOR NORTHEASTERN SMITH COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 3237 9520 3244 9529 3257 9521 3254 9519
      3255 9518 3255 9516 3257 9515 3255 9514
      3254 9512 3256 9509 3254 9508 3253 9504
      3255 9502 3252 9502 3253 9499 3249 9499
TIME...MOT...LOC 1445Z 224DEG 26KT 3248 9514 

$$

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, 9:52 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, 10:30 AM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Panola, Rusk45 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

Tornado Warnings in Texas, 2021Every tornado warning in 2021Tornadoes 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.