Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 85, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 9, 2021, 10:48 PM CDT for Bowie County, Red River County, Texas; Little River County, Sevier County, Arkansas; McCurtain County, Oklahoma. It was in force for 42 min. 8 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, 10:48 PM CDT (03:48 UTC)
- Expired
- Apr 9, 2021, 11:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Little River County, AR, Sevier County, AR, McCurtain County, OK, Bowie County, TX, Red River County, TX
The radar
The Shreveport radar (KSHV), 159 km from the middle of the area, began a volume at 03:49 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, 10:48 PM CDT | TSTM WND DMG | Clarksville, TX | TREE DOWN ON JACKSON AND DELAWARE STREET IN CLARKSVILLE. |
| Apr 9, 10:50 PM CDT | HAIL 1.75 | Harris, OK | |
| Apr 9, 10:55 PM CDT | TSTM WND GST 70 | Idabel, OK | IDABEL MESONET MEASURED 70 MPH GUST. |
| Apr 9, 11:09 PM CDT | TSTM WND GST 60 | De Queen, AR | |
| Apr 9, 11:10 PM CDT | TSTM WND DMG | 4 Sw De Kalb, TX | POWER LINES REPORTED DOWN ON HWY 44 WEST OUTSIDE OF DE KALB. |
| Apr 9, 11:12 PM CDT | TSTM WND DMG | De Kalb, TX | TREE FELL ON HOME ON HICKORY STREET. INJURIES UNKNOWN AT THIS TIME. POWER LINES DOWN SAME LOCATION. |
| Apr 9, 11:22 PM CDT | TSTM WND DMG | Foreman, AR | A STRONG SQUALL LINE WITH AN EMBEDDED SUPERCELL PRODUCED A BROAD SWATH OF WIND DAMAGE STARTING NEAR FOREMAN AR AND ENDING NEAR ASHDOWN AR. DAMAGE WAS MAINLY LIMITED TO SNAPPED AND UPROOTED TREES LAYING IN A SOUTHEASTERLY DIRECTION, ALTHOUGH A FEW STRUCTURES DI |
| Apr 9, 11:27 PM CDT | TSTM WND GST 65 | 5 Nw Ben Lomond, AR |
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, 8:44 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 3.8 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.
- Mixed-layer CAPE
- 148 J/kg
- Mixed-layer CIN
- -321 J/kg
- Mixed-layer LCL
- 2441 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 329 m²/s²
- 0-3 km storm-relative helicity
- 421 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
533
WUUS54 KSHV 100348
SVRSHV
ARC081-133-OKC089-TXC037-387-100430-
/O.NEW.KSHV.SV.W.0085.210410T0348Z-210410T0430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
1048 PM CDT Fri Apr 9 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Northwestern Little River County in southwestern Arkansas...
Sevier County in southwestern Arkansas...
Southeastern McCurtain County in southeastern Oklahoma...
Northwestern Bowie County in northeastern Texas...
Red River County in northeastern Texas...
* Until 1130 PM CDT.
* At 1047 PM CDT, severe thunderstorms were located along a line
extending from 9 miles northeast of Broken Bow to near Bogata,
moving southeast at 50 mph. In addition, severe thunderstorms
ahead of this line were located north of Dekalb Texas to southwest
of Horatio, moving east near 25 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...
De Queen, Clarksville, Horatio, Foreman, Boxelder, Idabel, Broken
Bow, De Kalb, Bogata, Lockesburg, Winthrop, Gillham, Ben Lomond,
Arkinda, Dalby Springs, Avery, Oak Grove, Annona, Haworth and
Eagletown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3419 9447 3419 9409 3391 9406 3331 9473
3333 9474 3332 9478 3338 9482 3340 9488
3337 9523 3344 9531 3353 9531 3427 9448
TIME...MOT...LOC 0347Z 321DEG 45KT 3410 9459 3348 9526
HAIL...1.25IN
WIND...60MPH
$$
13The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:05 PM CDT | Special Weather Statement | SHV | Nacogdoches | 40 min |
| Apr 9, 7:07 PM CDT | Special Weather Statement | SHV | Gregg | 53 min |
| Apr 9, 7:11 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Rusk | 27 min |
| Apr 9, 7:35 PM CDT | Special Weather Statement | SHV | Shelby | 40 min |
| Apr 9, 8:08 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches, San Augustine | 42 min |
| Apr 9, 8:36 PM CDT | Special Weather Statement | SHV | Panola, Shelby | 54 min |
| Apr 9, 10:02 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 58 min |
| Apr 9, 10:50 PM CDT | Severe Thunderstorm Warning | SHV | Nacogdoches, Rusk, San Augustine, Shelby | 55 min |
| Apr 9, 11:12 PM CDT | Special Weather Statement | SHV | Camp, Cass, Franklin, Morris, Titus | 48 min |
| Apr 9, 11:18 PM CDT | Severe Thunderstorm Warning | SHV | Bowie | 42 min |
| Apr 9, 11:42 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Cass, Franklin, Gregg, Harrison, Marion and 3 more | 63 min |
| Apr 9, 11:47 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Franklin, Gregg, Smith, Upshur, Wood | 43 min |
| Apr 10, 1:05 AM CDT | Special Weather Statement | SHV | Harrison | 40 min |
| Apr 10, 1:28 AM CDT | Special Weather Statement | SHV | Cherokee | 47 min |
| Apr 10, 1:54 AM CDT | Special Weather Statement | SHV | Nacogdoches | 51 min |
| Apr 10, 1:55 AM CDT | Special Weather Statement | SHV | Shelby | 50 min |
| Apr 10, 2:07 AM CDT | Special Weather Statement | SHV | Angelina | 38 min |
| Apr 10, 2:38 AM CDT | Special Weather Statement | SHV | San Augustine | 52 min |
| Apr 10, 2:50 AM CDT | Special Weather Statement | SHV | San Augustine | 40 min |
| Apr 10, 3:04 AM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches, Sabine, San Augustine | 56 min |
| Apr 9, 8:33 PM CDT | Special Weather Statement | SHV | Union | 42 min |
| Apr 9, 11:24 PM CDT | Tornado Warning | SHV | Little River | 36 min |
| Apr 9, 11:40 PM CDT | Tornado Warning | SHV | Hempstead, Little River, Miller, Nevada | 50 min |
| Apr 9, 11:55 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Hempstead, Lafayette, Miller, Nevada | 65 min |
| Apr 10, 12:41 AM CDT | Special Weather Statement | SHV | Union | 49 min |
| Apr 9, 10:13 PM CDT | Special Weather Statement | SHV | McCurtain | 47 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Severe Thunderstorm Warnings in Arkansas, 2021Severe Thunderstorm Warnings in Oklahoma, 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.