Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 95, NWS Shreveport, LA

April 13, 2021Panola County, Rusk County, Shelby County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 13, 2021, 6:27 PM CDT for Panola County, Rusk County, Shelby County, Texas. It was in force for 63 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 13, 2021, 6:27 PM CDT (23:27 UTC)
Expired
Apr 13, 2021, 7:30 PM CDT
In force
63 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Panola County, TX, Rusk County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 67 km from the middle of the area, began a volume at 23:26 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
Apr 13, 6:58 PM CDTHAIL 1.25Gary City, TX

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, 11.5 hours before the alert went out and 75 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 2021-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1548 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

993 
WUUS54 KSHV 132327
SVRSHV
TXC365-401-419-140030-
/O.NEW.KSHV.SV.W.0095.210413T2327Z-210414T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
627 PM CDT Tue Apr 13 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Southern Panola County in northeastern Texas...
  Southeastern Rusk County in northeastern Texas...
  Northwestern Shelby County in eastern Texas...

* Until 730 PM CDT.

* At 627 PM CDT, severe thunderstorms were located along a line
  extending from near Timpson to near Tenaha, moving northeast at 15
  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...
  Carthage, Tenaha, Timpson, Gary City, Deadwood, Woods and Paxton. 

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.

&&

LAT...LON 3213 9446 3214 9405 3187 9420 3187 9455
TIME...MOT...LOC 2327Z 209DEG 14KT 3192 9444 3193 9430 

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

24
1 follow-up statement
407 
WWUS54 KSHV 132353
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
653 PM CDT Tue Apr 13 2021

TXC401-419-140002-
/O.CAN.KSHV.SV.W.0095.000000T0000Z-210414T0030Z/
Rusk TX-Shelby TX-
653 PM CDT Tue Apr 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RUSK AND
NORTHWESTERN SHELBY COUNTIES IS CANCELLED...

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

LAT...LON 3213 9446 3214 9405 3198 9420 3198 9445
TIME...MOT...LOC 2352Z 205DEG 15KT 3200 9440 3201 9426 

$$

TXC365-140030-
/O.CON.KSHV.SV.W.0095.000000T0000Z-210414T0030Z/
Panola TX-
653 PM CDT Tue Apr 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHEASTERN PANOLA COUNTY...

At 652 PM CDT, severe thunderstorms were located along a line
extending from 6 miles north of Timpson to near Tenaha, moving
northeast at 15 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...
Carthage, Gary City, Woods and Deadwood. 

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.

&&

LAT...LON 3213 9446 3214 9405 3198 9420 3198 9445
TIME...MOT...LOC 2352Z 205DEG 15KT 3200 9440 3201 9426 

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

24

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 4:26 PM CDTSpecial Weather StatementSHVShelby49 min
Apr 13, 4:53 PM CDTSevere Thunderstorm WarningSHVNacogdoches, San Augustine, Shelby37 min
Apr 13, 5:31 PM CDTSevere Thunderstorm WarningSHVNacogdoches, San Augustine, Shelby59 min
Apr 13, 5:52 PM CDTSpecial Weather StatementSHVShelby38 min
Apr 13, 6:00 PM CDTSpecial Weather StatementSHVSan Augustine30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.