Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 34, NWS Shreveport, LA

March 27, 2021Bowie County, Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 27, 2021, 6:31 PM CDT for Bowie County, Cass County, Texas. It was in force for 59 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: Mar 27, 2021, 6:31 PM CDT (23:31 UTC)
Expired: Mar 27, 2021, 7:30 PM CDT
In force: 59 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Bowie County, TX, Cass County, TX

The radar

The Shreveport radar (KSHV), 102 km from the middle of the area, began a volume at 23:33 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
Mar 27, 7:05 PM CDT	TSTM WND DMG	3 Sse Wake Village, TX	THE SOUTH SIDE OF A CARPORT WAS LIFTED AND BENT NORTHWARD AND FOLDED OVER ON TOP OF A STEEL AWNING ON LEOPARD DRIVE IN THE LIBERTY EYLAU COMMUNITY. A GREENHOUSE WAS ALSO DESTROYED. A LARGE LIMB WAS BROKEN OFF OF A NEARBY TREE.

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
Mar 27, 3:25 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.5 hours before the alert went out and 103 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: 951 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 670 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 5.6

Open this sounding in Storm Lab

The text

As transmitted.

112 
WUUS54 KSHV 272331
SVRSHV
TXC037-067-280030-
/O.NEW.KSHV.SV.W.0034.210327T2331Z-210328T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
631 PM CDT Sat Mar 27 2021

The National Weather Service in Shreveport has issued a

* Severe Thunderstorm Warning for...
  Northern Cass County in northeastern Texas...
  Southeastern Bowie County in northeastern Texas...

* Until 730 PM CDT.

* At 631 PM CDT, a severe thunderstorm was located 7 miles east of
  Rocky Branch, or 23 miles east of Mount Pleasant, moving northeast
  at 40 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...
  Texarkana, Wake Village, Nash, Queen City, Redwater, Maud, Red
  Lick, Douglassville, Marietta, Domino, Bryans Mill and Red Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas...and northeastern Texas.

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

&&

LAT...LON 3353 9404 3319 9404 3301 9464 3321 9465
TIME...MOT...LOC 2331Z 239DEG 35KT 3310 9458 

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

15

1 follow-up statement

116 
WWUS54 KSHV 272354
SVSSHV

Severe Weather Statement
National Weather Service Shreveport LA
654 PM CDT Sat Mar 27 2021

TXC037-067-280030-
/O.CON.KSHV.SV.W.0034.000000T0000Z-210328T0030Z/
Cass TX-Bowie TX-
654 PM CDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHEASTERN CASS AND SOUTHEASTERN BOWIE COUNTIES...

At 654 PM CDT, a severe thunderstorm was located 8 miles south of
Maud, or 10 miles northwest of Atlanta, moving northeast 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...
Texarkana, Wake Village, Nash, Queen City, Redwater, Maud, Red Lick,
Douglassville, Domino and Red Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Arkansas...and northeastern Texas.

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

&&

LAT...LON 3353 9404 3319 9404 3306 9446 3332 9444
TIME...MOT...LOC 2354Z 246DEG 37KT 3321 9432 

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

15

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 5:05 PM CDT	Severe Thunderstorm Warning	SHV	Bowie	40 min
Mar 27, 5:47 PM CDT	Special Weather Statement	SHV	Cherokee	43 min
Mar 27, 5:51 PM CDT	Special Weather Statement	SHV	Cherokee	39 min
Mar 27, 5:55 PM CDT	Severe Thunderstorm Warning	SHV	Cherokee, Nacogdoches, Rusk	50 min
Mar 27, 6:03 PM CDT	Tornado Warning	SHV	Cherokee	27 min
Mar 27, 6:27 PM CDT	Tornado Warning	SHV	Cherokee, Nacogdoches, Rusk	48 min
Mar 27, 6:54 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	SHV	Panola, Rusk, Shelby	51 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.