Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 48, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 9, 2021, 9:35 PM CDT for Latimer County, LeFlore County, Pushmataha County, Oklahoma. It was in force for 55 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
- Apr 9, 2021, 9:35 PM CDT (02:35 UTC)
- Expired
- Apr 9, 2021, 10:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Latimer County, OK, LeFlore County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 72 km from the middle of the area, began a volume at 02:38 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 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, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.6 hours before the alert went out and 227 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
- 1392 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
100
WUUS54 KTSA 100235
SVRTSA
OKC077-079-127-100330-
/O.NEW.KTSA.SV.W.0048.210410T0235Z-210410T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
935 PM CDT Fri Apr 9 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northeastern Pushmataha County in southeastern Oklahoma...
Latimer County in southeastern Oklahoma...
Southwestern Le Flore County in southeastern Oklahoma...
* Until 1030 PM CDT.
* At 935 PM CDT, severe thunderstorms were located along a line
extending from 3 miles west of Wilburton to 2 miles west of Yanush,
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 in or near the path include...
Poteau... Wilburton...
Talihina... Wister...
Howe... Red Oak...
Fanshawe... Albion...
Talimena State Park... Higgins...
Damon... Bengal...
Tuskahoma... Yanush...
Robbers Cave State Park... Big Cedar...
Lake Wister State Park... Kiamichi...
Whitesboro... Muse...
LAT...LON 3502 9463 3457 9459 3460 9540 3502 9547
TIME...MOT...LOC 0235Z 275DEG 37KT 3493 9536 3472 9535
HAIL...1.00IN
WIND...60MPH
$$3 follow-up statements
121
WWUS54 KTSA 100250
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
950 PM CDT Fri Apr 9 2021
OKC077-079-127-100330-
/O.CON.KTSA.SV.W.0048.000000T0000Z-210410T0330Z/
Pushmataha OK-Latimer OK-Le Flore OK-
950 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTHEASTERN PUSHMATAHA...CENTRAL LATIMER AND SOUTHWESTERN LE
FLORE COUNTIES...
At 950 PM CDT, severe thunderstorms were located along a line
extending from 2 miles southeast of Robbers Cave State Park to 2
miles west of Bengal to near Kiamichi, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Poteau... Wilburton...
Talihina... Wister...
Howe... Red Oak...
Fanshawe... Albion...
Talimena State Park... Damon...
Bengal... Tuskahoma...
Robbers Cave State Park... Big Cedar...
Lake Wister State Park... Kiamichi...
Whitesboro... Muse...
Panola... Summerfield...
LAT...LON 3502 9463 3457 9459 3460 9528 3482 9530
3502 9542
TIME...MOT...LOC 0250Z 275DEG 48KT 3497 9530 3484 9511 3462 9515
HAIL...1.00IN
WIND...60MPH
$$640
WWUS54 KTSA 100305 RRA
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1005 PM CDT Fri Apr 9 2021
OKC077-079-127-100330-
/O.CON.KTSA.SV.W.0048.000000T0000Z-210410T0330Z/
Pushmataha OK-Latimer OK-Le Flore OK-
1005 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTHEASTERN PUSHMATAHA...EASTERN LATIMER AND SOUTHWESTERN LE
FLORE COUNTIES...
At 1005 PM CDT, severe thunderstorms were located along a line
extending from 2 miles west of Red Oak to 2 miles north of Talimena
State Park to 7 miles southwest of Whitesboro, 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 in or near the path include...
Poteau... Talihina...
Wister... Howe...
Red Oak... Fanshawe...
Albion... Talimena State Park...
Bengal... Big Cedar...
Lake Wister State Park... Kiamichi...
Whitesboro... Muse...
Summerfield... Hodgen...
LAT...LON 3502 9463 3457 9459 3460 9528 3481 9511
3502 9522
TIME...MOT...LOC 0305Z 275DEG 37KT 3496 9513 3483 9494 3461 9498
HAIL...1.00IN
WIND...60MPH
$$700
WWUS54 KTSA 100319
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1019 PM CDT Fri Apr 9 2021
OKC077-127-100329-
/O.CAN.KTSA.SV.W.0048.000000T0000Z-210410T0330Z/
Pushmataha OK-Latimer OK-
1019 PM CDT Fri Apr 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PUSHMATAHA AND
EASTERN LATIMER COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area therefore the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Oklahoma.
LAT...LON 3458 9492 3479 9487 3494 9497 3494 9493
3502 9493 3502 9463 3457 9459
TIME...MOT...LOC 0319Z 275DEG 37KT 3495 9498 3482 9479 3460 9483
$$
OKC079-100330-
/O.CON.KTSA.SV.W.0048.000000T0000Z-210410T0330Z/
Le Flore OK-
1019 PM CDT Fri Apr 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHWESTERN LE FLORE COUNTY...
At 1019 PM CDT, severe thunderstorms were located along a line
extending from 4 miles west of Fanshawe to 7 miles south of Lake
Wister State Park to 6 miles southwest of Muse, 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 in or near the path include...
Poteau... Wister...
Howe... Fanshawe...
Lake Wister State Park... Whitesboro...
Muse... Big Cedar...
Hodgen... Summerfield...
LAT...LON 3458 9492 3479 9487 3494 9497 3494 9493
3502 9493 3502 9463 3457 9459
TIME...MOT...LOC 0319Z 275DEG 37KT 3495 9498 3482 9479 3460 9483
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:02 PM CDT | Special Weather Statement | TSA | Rogers | 28 min |
| Apr 9, 7:09 PM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 51 min |
| Apr 9, 7:12 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 48 min |
| Apr 9, 7:24 PM CDT | Special Weather Statement | TSA | Tulsa | 36 min |
| Apr 9, 7:29 PM CDT | Special Weather Statement | TSA | Ottawa | 31 min |
| Apr 9, 7:38 PM CDT | Special Weather Statement | TSA | Craig, Nowata | 37 min |
| Apr 9, 7:38 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Muskogee, Okmulgee, Rogers, Tulsa, Wagoner | 52 min |
| Apr 9, 7:41 PM CDT | Tornado Warning | TSA | Creek, Tulsa | 20 min |
| Apr 9, 7:52 PM CDT | Special Weather Statement | TSA | Cherokee, Mayes | 23 min |
| Apr 9, 7:56 PM CDT | Special Weather Statement | TSA | Okfuskee | 34 min |
| Apr 9, 8:02 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 29 min |
| Apr 9, 8:28 PM CDT | Special Weather Statement | TSA | Cherokee, Mayes | 32 min |
| Apr 9, 8:29 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 46 min |
| Apr 9, 8:49 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 41 min |
| Apr 9, 8:59 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg, Pushmataha | 50 min |
| Apr 9, 9:03 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, McIntosh, Muskogee, Sequoyah | 42 min |
| Apr 9, 9:24 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 66 min |
| Apr 9, 9:27 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Sequoyah | 48 min |
| Apr 9, 9:30 PM CDT | Special Weather Statement | TSA | Muskogee | 30 min |
| Apr 9, 9:37 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Muskogee, Sequoyah | 38 min |
| Apr 9, 9:58 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, LeFlore, Pushmataha | 47 min |
| Apr 9, 10:24 PM CDT | Special Weather Statement | TSA | LeFlore | 36 min |
| Apr 9, 10:33 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 42 min |
Nearby
Severe 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.