Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS Shreveport, LA

April 9, 2021Smith County, Wood County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 9, 2021, 1:34 PM CDT for Smith County, Wood County, Texas. It was in force for 21 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: Apr 9, 2021, 1:34 PM CDT (18:34 UTC)
Expired: Apr 9, 2021, 1:55 PM CDT
In force: 21 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Smith County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 152 km from the middle of the area, began a volume at 18:35 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

Time	Report	Where	Remark
Apr 9, 1:45 PM CDT	HAIL 1	7 Wsw Lindale, TX	PUBLIC REPORTS QUARTER SIZE HAIL A FEW MILES WEST OF THE HIDEAWAY COMMUNITY.

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

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 6.6 hours before the alert went out and 161 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: 928 J/kg
Mixed-layer CIN: -310 J/kg
Mixed-layer LCL: 1043 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

317 
WUUS54 KSHV 091834
SVRSHV
TXC423-499-091915-
/O.NEW.KSHV.SV.W.0053.210409T1834Z-210409T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
134 PM CDT Fri Apr 9 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Northwestern Smith County in northeastern Texas...
  Southeastern Wood County in northeastern Texas...

* Until 215 PM CDT.

* At 133 PM CDT, a severe thunderstorm was located near Edom, or 16
  miles southeast of Canton, moving northeast 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...
  Lindale, Hawkins, Hoard, Winona, Red Springs and Carroll. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3274 9531 3250 9513 3237 9547 3239 9550
      3242 9551 3243 9554 3245 9555 3246 9557
      3248 9559 3256 9560
TIME...MOT...LOC 1833Z 239DEG 34KT 3243 9561 

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

44

1 follow-up statement

761 
WWUS54 KSHV 091855
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
155 PM CDT Fri Apr 9 2021

TXC423-499-091905-
/O.CAN.KSHV.SV.W.0053.000000T0000Z-210409T1915Z/
Smith TX-Wood TX-
155 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SMITH AND
SOUTHEASTERN WOOD COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

LAT...LON 3274 9531 3250 9513 3237 9547 3239 9550
      3242 9551 3243 9554 3245 9555 3246 9557
      3248 9559 3256 9560
TIME...MOT...LOC 1850Z 239DEG 34KT 3254 9540 

$$

44

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 11:41 AM CDT	Special Weather Statement	SHV	Franklin, Red River, Titus	49 min
Apr 9, 12:04 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Cass, Morris, Red River, Titus	41 min
Apr 9, 12:29 PM CDT	Special Weather Statement	SHV	Upshur	46 min
Apr 9, 12:41 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Camp, Cass, Morris, Titus	31 min
Apr 9, 12:45 PM CDT	Severe Thunderstorm Warning	SHV	Bowie, Morris, Red River, Titus	33 min
Apr 9, 3:22 PM CDT	Special Weather Statement	SHV	Morris	53 min
Apr 9, 4:31 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Panola, Rusk, Shelby	59 min
Apr 9, 5:42 PM CDT	Special Weather Statement	SHV	Nacogdoches	63 min
Apr 9, 5:49 PM CDT	Severe Thunderstorm Warning	SHV	Panola, Shelby	56 min
Apr 9, 6:01 PM CDT	Severe Thunderstorm Warning	SHV	Panola, Rusk, Shelby	59 min
Apr 9, 6:33 PM CDT	Flash Flood Warning	SHV	Cherokee, Nacogdoches, Panola, Rusk, Smith	3 hr
Apr 9, 6:39 PM CDT	Special Weather Statement	SHV	Cherokee	51 min
Apr 9, 6:53 PM CDT	Severe Thunderstorm Warning	SHV	Panola, Rusk	45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.