Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 166, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 10, 2021, 10:56 PM CDT for 7 counties in Oklahoma. It was in force for 64 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
- Oct 10, 2021, 10:56 PM CDT (03:56 UTC)
- Expired
- Oct 11, 2021, 12:00 AM CDT
- In force
- 64 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.88 in
- Wind
- 70.0 mph
Counties Cherokee County, OK, Delaware County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Rogers County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 44 km from the middle of the area, began a volume at 03:57 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 |
|---|---|---|---|
| Oct 10, 11:01 PM CDT | TSTM WND DMG | 3 Wnw Wagoner, OK | LARGE BRANCHES DOWN. |
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 |
|---|---|---|---|
| Oct 10, 9:24 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.9 hours before the alert went out and 167 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
- 2067 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
926
WUUS54 KTSA 110356
SVRTSA
OKC021-041-091-097-101-131-145-110500-
/O.NEW.KTSA.SV.W.0166.211011T0356Z-211011T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1056 PM CDT Sun Oct 10 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Southeastern Rogers County in northeastern Oklahoma...
Southwestern Delaware County in northeastern Oklahoma...
Northeastern McIntosh County in southeastern Oklahoma...
Mayes County in northeastern Oklahoma...
Wagoner County in northeastern Oklahoma...
Central Cherokee County in east central Oklahoma...
Northern Muskogee County in east central Oklahoma...
* Until midnight CDT.
* At 1055 PM CDT, severe thunderstorms were located along a line
extending from 3 miles west of Inola to near Tullahassee to 3 miles
west of Checotah, moving northeast at 40 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations in or near the path include...
Muskogee... Tahlequah...
Wagoner... Pryor...
Pryor Creek... Fort Gibson...
Checotah... Chouteau...
Inola... Warner...
Locust Grove... Salina...
Langley... Okay...
Hulbert... Porter...
Spavinaw... Oktaha...
Disney... Oaks...
This includes Interstate 40 in Oklahoma between mile markers 257 and
268.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 200 AM CDT for southeastern,
northeastern and east central Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3627 9479 3564 9510 3564 9513 3556 9514
3538 9568 3579 9557 3614 9565 3652 9500
TIME...MOT...LOC 0355Z 222DEG 50KT 3614 9557 3585 9544 3546 9558
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$2 follow-up statements
386
WWUS54 KTSA 110431
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1131 PM CDT Sun Oct 10 2021
OKC021-041-091-097-101-131-145-110500-
/O.CON.KTSA.SV.W.0166.000000T0000Z-211011T0500Z/
Rogers OK-Delaware OK-McIntosh OK-Mayes OK-Wagoner OK-Cherokee OK-
Muskogee OK-
1131 PM CDT Sun Oct 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHEASTERN ROGERS...SOUTHWESTERN DELAWARE...NORTHEASTERN
MCINTOSH...MAYES...EASTERN WAGONER...CENTRAL CHEROKEE AND
NORTHEASTERN MUSKOGEE COUNTIES...
At 1131 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northwest of Salina to 2 miles southeast of
Peggs to 5 miles southwest of Greenleaf State Park, moving northeast
at 45 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations in or near the path include...
Muskogee... Tahlequah...
Wagoner... Pryor...
Pryor Creek... Fort Gibson...
Chouteau... Inola...
Warner... Locust Grove...
Salina... Langley...
Okay... Hulbert...
Spavinaw... Oktaha...
Disney... Oaks...
Braggs... Rentiesville...
This includes Interstate 40 in Oklahoma between mile markers 267 and
268.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 200 AM CDT for southeastern,
northeastern and east central Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3627 9479 3564 9510 3564 9513 3556 9514
3544 9549 3584 9548 3617 9560 3652 9500
TIME...MOT...LOC 0431Z 226DEG 39KT 3633 9521 3604 9508 3556 9523
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$904
WWUS54 KTSA 110443
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1143 PM CDT Sun Oct 10 2021
OKC091-110452-
/O.CAN.KTSA.SV.W.0166.000000T0000Z-211011T0500Z/
McIntosh OK-
1143 PM CDT Sun Oct 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCINTOSH COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 200 AM CDT for northeastern
and east central Oklahoma.
LAT...LON 3627 9479 3564 9510 3564 9513 3556 9514
3551 9529 3596 9525 3621 9554 3652 9500
TIME...MOT...LOC 0442Z 222DEG 50KT 3644 9509 3615 9496 3567 9511
$$
OKC021-041-097-101-131-145-110500-
/O.CON.KTSA.SV.W.0166.000000T0000Z-211011T0500Z/
Rogers OK-Delaware OK-Mayes OK-Wagoner OK-Cherokee OK-Muskogee OK-
1143 PM CDT Sun Oct 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHEASTERN ROGERS...SOUTHWESTERN DELAWARE...MAYES...
NORTHEASTERN WAGONER...CENTRAL CHEROKEE AND NORTHEASTERN MUSKOGEE
COUNTIES...
At 1142 PM CDT, severe thunderstorms were located along a line
extending from 2 miles southeast of Pensacola to 4 miles southwest of
Leach to 3 miles south of Pumpkin Center, moving northeast at 50 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations in or near the path include...
Tahlequah... Pryor...
Pryor Creek... Fort Gibson...
Chouteau... Locust Grove...
Salina... Langley...
Hulbert... Spavinaw...
Disney... Oaks...
Braggs... Hoot Owl...
Peggs... Greenleaf State Park...
Cherokee State Park... Rose...
Pumpkin Center... Leach...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 200 AM CDT for northeastern
and east central Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3627 9479 3564 9510 3564 9513 3556 9514
3551 9529 3596 9525 3621 9554 3652 9500
TIME...MOT...LOC 0442Z 222DEG 50KT 3644 9509 3615 9496 3567 9511
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 8:04 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 4 hr |
| Oct 10, 8:05 PM CDT | Special Weather Statement | TSA | Pawnee | 55 min |
| Oct 10, 8:21 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 54 min |
| Oct 10, 8:41 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 64 min |
| Oct 10, 9:17 PM CDT | Special Weather Statement | TSA | Osage | 58 min |
| Oct 10, 9:28 PM CDT | Tornado Warning | TSA | Creek, Okfuskee | 24 min |
| Oct 10, 9:36 PM CDT | Severe Thunderstorm Warning | TSA | Creek, McIntosh, Okfuskee, Okmulgee, Tulsa | 54 min |
| Oct 10, 9:55 PM CDT | Special Weather Statement | TSA | Osage | 50 min |
| Oct 10, 10:01 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Pittsburg | 59 min |
| Oct 10, 10:05 PM CDT | Tornado Warning | TSA | Okmulgee, Tulsa, Wagoner | 25 min |
| Oct 10, 10:09 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Tulsa, Washington | 36 min |
| Oct 10, 10:19 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okmulgee, Rogers, Tulsa, Wagoner | 56 min |
| Oct 10, 10:21 PM CDT | Tornado Warning | TSA | McIntosh, Pittsburg | 39 min |
| Oct 10, 10:29 PM CDT | Tornado Warning | TSA | Tulsa, Wagoner | 46 min |
| Oct 10, 10:41 PM CDT | Areal Flood Advisory | TSA | Cherokee, Haskell, McIntosh, Muskogee, Okfuskee, Okmulgee and 3 more | 3 hr |
| Oct 10, 10:41 PM CDT | Tornado Warning | TSA | McIntosh, Muskogee, Okmulgee | 34 min |
| Oct 10, 10:43 PM CDT | Tornado Warning | TSA | Wagoner | 32 min |
| Oct 10, 10:53 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Latimer, Pittsburg, Pushmataha | 67 min |
| Oct 10, 10:58 PM CDT | Tornado Warning | TSA | Haskell, McIntosh, Muskogee, Pittsburg | 47 min |
| Oct 10, 11:05 PM CDT | Tornado Warning | TSA | Mayes, Rogers, Wagoner | 40 min |
| Oct 10, 11:33 PM CDT | Tornado Warning | TSA | Cherokee, Muskogee, Sequoyah | 42 min |
| Oct 10, 11:43 PM CDT | Areal Flood Advisory | TSA | Latimer, LeFlore, Pushmataha | 70 min |
| Oct 10, 11:48 PM CDT | Areal Flood Advisory | TSA | Adair, Cherokee, Delaware, Mayes | 110 min |
| Oct 10, 11:55 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware, Mayes, Ottawa | 50 min |
| Oct 11, 12:07 AM CDT | Tornado Warning | TSA | Adair, Cherokee | 38 min |
| Oct 11, 12:09 AM CDT | Tornado Warning | TSA | Delaware | 39 min |
| Oct 11, 1:18 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 42 min |
| Oct 11, 1:26 AM CDT | Special Weather Statement | TSA | Creek, Tulsa | 49 min |
| Oct 11, 1:34 AM CDT | Areal Flood Advisory | TSA | Creek, Osage, Pawnee | 116 min |
| Oct 11, 1:37 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 33 min |
| Oct 11, 2:02 AM CDT | Special Weather Statement | TSA | Rogers, Tulsa, Wagoner, Washington | 43 min |
| Oct 11, 2:09 AM CDT | Special Weather Statement | TSA | Washington | 51 min |
| Oct 11, 2:34 AM CDT | Special Weather Statement | TSA | Craig, Delaware, Mayes, Nowata, Ottawa | 56 min |
| Oct 11, 3:27 AM CDT | Special Weather Statement | TSA | Ottawa | 48 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.