Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 146, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at May 10, 2021, 9:29 PM CDT for Red River County, Texas; McCurtain County, Oklahoma. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 10, 2021, 9:29 PM CDT (02:29 UTC)
- Expired
- May 10, 2021, 10:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties McCurtain County, OK, Red River County, TX
The radar
The Western Arkansas radar (KSRX), 170 km from the middle of the area, began a volume at 02:28 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.
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 2.5 hours before the alert went out and 211 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
256
WUUS54 KSHV 110229
SVRSHV
OKC089-TXC387-110315-
/O.NEW.KSHV.SV.W.0146.210511T0229Z-210511T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
929 PM CDT Mon May 10 2021
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
West central McCurtain County in southeastern Oklahoma...
Northwestern Red River County in northeastern Texas...
* Until 1015 PM CDT.
* At 929 PM CDT, a severe thunderstorm was located near Raymond Gary
State Park, or 15 miles east of Hugo, moving northeast at 25 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...
Idabel, Wright City, Valliant, Millerton, Garvin, Farmers Hill,
Rufe, Woodland, Redland, Kanawha, Kiomatia, Slim and Golden.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3388 9531 3387 9529 3391 9527 3389 9527
3389 9525 3393 9525 3396 9523 3394 9516
3412 9516 3419 9509 3394 9478 3380 9527
3385 9531
TIME...MOT...LOC 0229Z 230DEG 22KT 3393 9526
HAIL...1.00IN
WIND...60MPH
$$
332 follow-up statements
367
WWUS54 KSHV 110253
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
953 PM CDT Mon May 10 2021
OKC089-TXC387-110315-
/O.CON.KSHV.SV.W.0146.000000T0000Z-210511T0315Z/
McCurtain OK-Red River TX-
953 PM CDT Mon May 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR WEST CENTRAL MCCURTAIN AND NORTHERN RED RIVER COUNTIES...
At 953 PM CDT, a severe thunderstorm was located 7 miles east of
Raymond Gary State Park, or 22 miles east of Hugo, moving northeast
at 25 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Idabel, Wright City, Valliant, Millerton, Garvin, Farmers Hill and
Golden.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3397 9512 3406 9510 3415 9504 3394 9478
3387 9505
TIME...MOT...LOC 0253Z 230DEG 22KT 3402 9512
HAIL...1.00IN
WIND...<50MPH
$$
33646
WWUS54 KSHV 110305
SVSSHV
Severe Weather Statement
National Weather Service Shreveport LA
1005 PM CDT Mon May 10 2021
OKC089-TXC387-110315-
/O.EXP.KSHV.SV.W.0146.000000T0000Z-210511T0315Z/
McCurtain OK-Red River TX-
1005 PM CDT Mon May 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL MCCURTAIN AND
NORTHERN RED RIVER COUNTIES WILL EXPIRE AT 1015 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3397 9512 3406 9510 3415 9504 3394 9478
3387 9505
TIME...MOT...LOC 0305Z 230DEG 22KT 3405 9507
$$
33The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:47 PM CDT | River Flood Warning | SHV | Gregg | 64 hr |
| May 10, 8:41 PM CDT | Special Weather Statement | SHV | Camp, Morris, Upshur, Wood | 64 min |
| May 10, 9:27 PM CDT | Special Weather Statement | SHV | Harrison, Marion | 48 min |
| May 11, 12:57 AM CDT | Special Weather Statement | SHV | Smith | 48 min |
| May 11, 1:12 AM CDT | Special Weather Statement | SHV | Wood | 48 min |
| May 11, 2:04 AM CDT | Flash Flood Watch | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 24 hr |
| May 11, 2:38 AM CDT | Special Weather Statement | SHV | Gregg | 52 min |
| May 11, 3:20 AM CDT | Special Weather Statement | SHV | Harrison | 40 min |
| May 11, 3:28 AM CDT | Areal Flood Advisory | SHV | Harrison | 4 hr |
| May 11, 8:04 AM CDT | River Flood Warning | SHV | Anderson, Cherokee, Houston | 36 days |
| May 11, 9:22 AM CDT | River Flood Warning | SHV | Gregg, Smith, Upshur, Wood | 39 days |
| May 11, 9:25 AM CDT | River Flood Warning | SHV | Franklin, Morris, Red River, Titus | 3 days |
| May 11, 9:25 AM CDT | River Flood Warning | SHV | Franklin, Morris, Titus | 5 days |
| May 11, 11:15 AM CDT | Special Weather Statement | SHV | Cherokee | 45 min |
| May 11, 11:59 AM CDT | Special Weather Statement | SHV | Cherokee | 31 min |
| May 11, 12:31 PM CDT | Special Weather Statement | SHV | Cherokee | 44 min |
| May 11, 1:32 PM CDT | Special Weather Statement | SHV | Smith | 43 min |
| May 11, 1:34 PM CDT | Special Weather Statement | SHV | Gregg | 41 min |
| May 11, 2:12 PM CDT | Special Weather Statement | SHV | Cass, Marion | 48 min |
| May 11, 2:15 PM CDT | Special Weather Statement | SHV | Harrison | 45 min |
| May 11, 2:21 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Rusk, Smith, Upshur | 37 min |
| May 11, 2:50 PM CDT | Special Weather Statement | SHV | Cherokee, Smith | 40 min |
| May 11, 2:56 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk | 17 min |
| May 11, 3:01 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Rusk, Smith | 48 min |
| May 11, 3:59 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Harrison, Nacogdoches, Panola, Rusk and 1 more | 61 min |
| May 11, 4:18 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee | 42 min |
| May 11, 5:01 PM CDT | Special Weather Statement | SHV | Angelina | 59 min |
| May 11, 6:00 PM CDT | Special Weather Statement | SHV | Angelina | 45 min |
| May 11, 6:14 PM CDT | Severe Thunderstorm Warning | SHV | Angelina | 28 min |
| May 10, 8:59 PM CDT | Special Weather Statement | SHV | McCurtain | 46 min |
| May 10, 9:12 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 38 min |
| May 10, 9:56 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 49 min |
| May 11, 1:28 PM CDT | Special Weather Statement | SHV | McCurtain | 47 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.