Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 144, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 1, 2021, 1:19 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 37 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
- Aug 1, 2021, 1:19 PM CDT (18:19 UTC)
- Expired
- Aug 1, 2021, 1:56 PM CDT
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Choctaw County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 139 km from the middle of the area, began a volume at 18:18 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
Fort Worth, TX (KFWD), launched 12:00Z, 6.3 hours before the alert went out and 245 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
- 2139 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1284 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
541
WUUS54 KTSA 011819
SVRTSA
OKC023-127-011915-
/O.NEW.KTSA.SV.W.0144.210801T1819Z-210801T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
119 PM CDT Sun Aug 1 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Central Pushmataha County in southeastern Oklahoma...
Northeastern Choctaw County in southeastern Oklahoma...
* Until 215 PM CDT.
* At 119 PM CDT, severe thunderstorms were located along a line
extending from 2 miles north of Stanley to 2 miles east of Kellond,
moving southeast at 20 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...
Antlers... Clayton...
Rattan... Clayton Lake State Park...
Snow... Tuskahoma...
Stanley... Moyers...
Nashoba... Kosoma...
Kellond... Dunbar...
Oleta... Cloudy...
Eubanks... Apple...
Dela... Finley...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3423 9569 3451 9564 3460 9556 3460 9551
3465 9551 3467 9550 3459 9511 3406 9536
TIME...MOT...LOC 1819Z 295DEG 16KT 3458 9547 3428 9560
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
579
WWUS54 KTSA 011841
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
141 PM CDT Sun Aug 1 2021
OKC023-011850-
/O.CAN.KTSA.SV.W.0144.000000T0000Z-210801T1915Z/
Choctaw OK-
141 PM CDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHOCTAW COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area therefore, the warning has been cancelled.
LAT...LON 3431 9557 3449 9561 3459 9557 3460 9552
3462 9551 3464 9533 3459 9511 3416 9531
TIME...MOT...LOC 1840Z 295DEG 21KT 3452 9539 3435 9536 3422 9537
$$
OKC127-011915-
/O.CON.KTSA.SV.W.0144.000000T0000Z-210801T1915Z/
Pushmataha OK-
141 PM CDT Sun Aug 1 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR CENTRAL PUSHMATAHA COUNTY...
At 140 PM CDT, severe thunderstorms were located along a line
extending from 4 miles east of Stanley to 4 miles southeast of Snow
to 2 miles northwest of Oleta, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Clayton... Clayton Lake State Park...
Stanley... Snow...
Nashoba... Dunbar...
Tuskahoma... Oleta...
Cloudy... Eubanks...
Finley...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3431 9557 3449 9561 3459 9557 3460 9552
3462 9551 3464 9533 3459 9511 3416 9531
TIME...MOT...LOC 1840Z 295DEG 21KT 3452 9539 3435 9536 3422 9537
HAIL...<.75IN
WIND...60MPH
$$234
WWUS54 KTSA 011856
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
156 PM CDT Sun Aug 1 2021
OKC127-011906-
/O.CAN.KTSA.SV.W.0144.000000T0000Z-210801T1915Z/
Pushmataha OK-
156 PM CDT Sun Aug 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PUSHMATAHA COUNTY IS
CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with these thunderstorms.
LAT...LON 3431 9557 3449 9561 3459 9557 3460 9552
3462 9551 3464 9533 3459 9511 3416 9531
TIME...MOT...LOC 1854Z 295DEG 16KT 3449 9532 3432 9529 3419 9530
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 9:13 PM CDT | Special Weather Statement | TSA | Osage | 47 min |
| Jul 31, 10:00 PM CDT | Special Weather Statement | TSA | Osage, Washington | 45 min |
| Aug 1, 12:23 AM CDT | Special Weather Statement | TSA | Pawnee | 52 min |
| Aug 1, 12:51 PM CDT | Special Weather Statement | TSA | Pushmataha | 24 min |
| Aug 1, 1:52 PM CDT | Special Weather Statement | TSA | LeFlore | 23 min |
| Aug 1, 1:54 PM CDT | Special Weather Statement | TSA | Pushmataha | 36 min |
| Aug 1, 2:33 PM CDT | Special Weather Statement | TSA | LeFlore | 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.