Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 61, NWS Shreveport, LA

April 9, 20215 counties in Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 9, 2021, 4:31 PM CDT for 5 counties in Texas. It was in force for 59 min. 4 reports 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, 4:31 PM CDT (21:31 UTC)
Expired: Apr 9, 2021, 5:30 PM CDT
In force: 59 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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

The radar

The Shreveport radar (KSHV), 147 km from the middle of the area, began a volume at 21:30 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.

What was reported inside it

Time	Report	Where	Remark
Apr 9, 4:32 PM CDT	HAIL 1	7 Sw Cushing, TX	PUBLIC REPORTS HAIL VIA SOCIAL MEDIA IN THE LILBERT COMMUNITY.
Apr 9, 4:37 PM CDT	HAIL 0.7	Cushing, TX
Apr 9, 4:55 PM CDT	HAIL 1	Mount Enterprise, TX	PUBLIC REPORTS HAIL NEAR MOUNT ENTERPRISE UP TO QUARTER SIZE.
Apr 9, 5:20 PM CDT	HAIL 1	3 Ene Timpson, TX	PUBLIC REPORTS HAIL BETWEEN TIMPSON AND TENAHA.

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.

Issued	Product	Office	Lasted
Apr 9, 12:07 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 9.5 hours before the alert went out and 156 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.

841 
WUUS54 KSHV 092131
SVRSHV
TXC073-347-365-401-419-092230-
/O.NEW.KSHV.SV.W.0061.210409T2131Z-210409T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
431 PM CDT Fri Apr 9 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...
  Northern Nacogdoches County in eastern Texas...
  Northwestern Shelby County in eastern Texas...
  Central Cherokee County in northeastern Texas...

* Until 530 PM CDT.

* At 431 PM CDT, a severe thunderstorm was located near Sacul, or 13
  miles east of Rusk, moving east at 45 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...
  Nacogdoches, Rusk, Alto, Timpson, Garrison, Morrill, Sacul,
  Douglass, Trawick, Cushing, Appleby, Mount Enterprise, Reklaw, Gary
  City, Stockman, Lawsonville, Glenfawn, Linwood, Lilbert and
  Arcadia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3208 9436 3168 9425 3156 9514 3159 9517
      3157 9521 3158 9527 3159 9528 3161 9526
      3163 9527 3163 9529 3166 9528 3168 9528
      3172 9534 3174 9533 3173 9537 3175 9536
      3176 9539
TIME...MOT...LOC 2131Z 252DEG 38KT 3175 9492 

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

50

2 follow-up statements

536 
WWUS54 KSHV 092151
SVSSHV

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

TXC073-347-365-401-419-092230-
/O.CON.KSHV.SV.W.0061.000000T0000Z-210409T2230Z/
Panola TX-Rusk TX-Nacogdoches TX-Shelby TX-Cherokee TX-
451 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHWESTERN PANOLA...SOUTHERN RUSK...NORTHERN NACOGDOCHES...
NORTHWESTERN SHELBY AND EAST CENTRAL CHEROKEE COUNTIES...

At 451 PM CDT, a severe thunderstorm was located near Trawick, or 13
miles north of Nacogdoches, moving east at 45 mph.

HAZARD...Ping pong 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...
Nacogdoches, Alto, Timpson, Garrison, Sacul, Douglass, Trawick,
Cushing, Appleby, Mount Enterprise, Reklaw, Gary City, Stockman,
Lawsonville, Glenfawn, Linwood, Lilbert, Arcadia, Dotson and
Looneyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3161 9517 3173 9523 3194 9481 3208 9436
      3168 9425 3166 9443
TIME...MOT...LOC 2151Z 251DEG 37KT 3181 9470 

HAIL...1.50IN
WIND...60MPH
 
$$

50

403 
WWUS54 KSHV 092211
SVSSHV

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

TXC073-092221-
/O.CAN.KSHV.SV.W.0061.000000T0000Z-210409T2230Z/
Cherokee TX-
511 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CHEROKEE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 600 PM CDT for
northeastern Texas.

LAT...LON 3194 9481 3208 9436 3176 9427 3170 9496
      3172 9496 3174 9497 3175 9497 3176 9493
      3179 9498 3180 9495 3182 9495 3183 9493
      3184 9494 3185 9499
TIME...MOT...LOC 2211Z 249DEG 35KT 3188 9453 

$$

TXC347-365-401-419-092230-
/O.CON.KSHV.SV.W.0061.000000T0000Z-210409T2230Z/
Panola TX-Rusk TX-Nacogdoches TX-Shelby TX-
511 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHWESTERN PANOLA...SOUTHERN RUSK...NORTHWESTERN NACOGDOCHES
AND NORTHWESTERN SHELBY COUNTIES...

At 511 PM CDT, a severe thunderstorm was located near Garrison, or 19
miles north of Nacogdoches, moving east 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...
Timpson, Garrison, Sacul, Trawick, Cushing, Appleby, Mount
Enterprise, Reklaw, Gary City, Stockman, Lawsonville, Glenfawn,
Lilbert, Dotson and Looneyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3194 9481 3208 9436 3176 9427 3170 9496
      3172 9496 3174 9497 3175 9497 3176 9493
      3179 9498 3180 9495 3182 9495 3183 9493
      3184 9494 3185 9499
TIME...MOT...LOC 2211Z 249DEG 35KT 3188 9453 

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

50

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, 1:34 PM CDT	Severe Thunderstorm Warning	SHV	Smith, Wood	21 min
Apr 9, 3:22 PM CDT	Special Weather Statement	SHV	Morris	53 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.