Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 73, NWS Shreveport, LA

April 9, 2021Panola County, Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 9, 2021, 6:53 PM CDT for Panola County, Rusk County, Texas. It was in force for 45 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, 6:53 PM CDT (23:53 UTC)
Expired
Apr 9, 2021, 7:38 PM CDT
In force
45 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Panola County, TX, Rusk County, TX

The radar

The Shreveport radar (KSHV), 87 km from the middle of the area, began a volume at 23:53 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 9, 7:00 PM CDTHAIL 32 Sse Henderson, TXSPOTTER NETWORK REPORTS 3 HAIL 2 SSE HENDERSON.

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
Apr 9, 5:32 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.9 hours before the alert went out and 96 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 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 928 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 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939587897Sfc1 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
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.

810 
WUUS54 KSHV 092353
SVRSHV
TXC365-401-100100-
/O.NEW.KSHV.SV.W.0073.210409T2353Z-210410T0100Z/

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

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  West central Panola County in northeastern Texas...
  Central Rusk County in northeastern Texas...

* Until 800 PM CDT.

* At 653 PM CDT, a severe thunderstorm was located near Henderson,
  moving northeast at 20 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Henderson, Pinehill, Chapman, Church Hill, Oak Hill, Fairplay and
  Stewart.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3202 9475 3209 9485 3234 9465 3219 9441
TIME...MOT...LOC 2353Z 224DEG 17KT 3211 9474 

HAIL...1.75IN
WIND...60MPH
 
$$

50
2 follow-up statements
277 
WWUS54 KSHV 100014
SVSSHV

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

TXC365-401-100100-
/O.CON.KSHV.SV.W.0073.000000T0000Z-210410T0100Z/
Panola TX-Rusk TX-
714 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR WEST CENTRAL PANOLA AND NORTHEASTERN RUSK COUNTIES...

At 714 PM CDT, a severe thunderstorm was located near Pinehill, or 11
miles east of Henderson, moving northeast at 20 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Pinehill, Church Hill, Chapman and Fairplay. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3208 9464 3220 9473 3230 9459 3219 9441
TIME...MOT...LOC 0014Z 237DEG 17KT 3217 9460 

HAIL...1.25IN
WIND...60MPH
 
$$

50
407 
WWUS54 KSHV 100038 RRA
SVSSHV

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

TXC365-401-100048-
/O.CAN.KSHV.SV.W.0073.000000T0000Z-210410T0100Z/
Panola TX-Rusk TX-
738 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL PANOLA AND
NORTHEASTERN RUSK COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern Texas.

LAT...LON 3208 9464 3220 9473 3230 9459 3219 9441
TIME...MOT...LOC 0035Z 224DEG 17KT 3225 9451 

$$

09

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 11:41 AM CDTSpecial Weather StatementSHVFranklin, Red River, Titus49 min
Apr 9, 12:04 PM CDTSevere Thunderstorm WarningSHVBowie, Cass, Morris, Red River, Titus41 min
Apr 9, 12:29 PM CDTSpecial Weather StatementSHVUpshur46 min
Apr 9, 12:41 PM CDTSevere Thunderstorm WarningSHVBowie, Camp, Cass, Morris, Titus31 min
Apr 9, 12:45 PM CDTSevere Thunderstorm WarningSHVBowie, Morris, Red River, Titus33 min
Apr 9, 1:34 PM CDTSevere Thunderstorm WarningSHVSmith, Wood21 min
Apr 9, 3:22 PM CDTSpecial Weather StatementSHVMorris53 min
Apr 9, 4:31 PM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Panola, Rusk, Shelby59 min
Apr 9, 5:42 PM CDTSpecial Weather StatementSHVNacogdoches63 min
Apr 9, 5:49 PM CDTSevere Thunderstorm WarningSHVPanola, Shelby56 min
Apr 9, 6:01 PM CDTSevere Thunderstorm WarningSHVPanola, Rusk, Shelby59 min
Apr 9, 6:33 PM CDTFlash Flood WarningSHVCherokee, Nacogdoches, Panola, Rusk, Smith3 hr
Apr 9, 6:39 PM CDTSpecial Weather StatementSHVCherokee51 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.