Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 167, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 10, 2021, 11:55 PM CDT for 5 counties in Oklahoma. It was in force for 50 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, 11:55 PM CDT (04:55 UTC)
- Expired
- Oct 11, 2021, 12:45 AM CDT
- In force
- 50 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Adair County, OK, Cherokee County, OK, Delaware County, OK, Mayes County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 74 km from the middle of the area, began a volume at 04:57 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 11, 12:11 AM CDT | TORNADO | 7 Ssw Jay, OK | RADAR CONFIRMED TORNADO SSW OF JAY. |
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, 4.9 hours before the alert went out and 103 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.
788
WUUS54 KTSA 110455
SVRTSA
OKC001-021-041-097-115-110545-
/O.NEW.KTSA.SV.W.0167.211011T0455Z-211011T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1155 PM CDT Sun Oct 10 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Delaware County in northeastern Oklahoma...
Southeastern Ottawa County in northeastern Oklahoma...
Northeastern Mayes County in northeastern Oklahoma...
Northwestern Adair County in northeastern Oklahoma...
Northeastern Cherokee County in east central Oklahoma...
* Until 1245 AM CDT.
* At 1155 PM CDT, severe thunderstorms were located along a line
extending from 2 miles southeast of Pensacola to 2 miles west of
Leach to 5 miles southwest of Scraper, moving northeast 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...
Jay... Grove...
Fairland... West Siloam Springs...
Langley... Colcord...
Kansas... Bernice...
Spavinaw... Wyandotte...
Disney... Oaks...
Honey Creek State Park... Cherokee State Park...
Rose... Bernice State Park...
Leach... Cleora...
Chloeta... Scraper...
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 3667 9462 3650 9462 3614 9456 3600 9496
3642 9514 3651 9506 3651 9500 3657 9501
3688 9473
TIME...MOT...LOC 0455Z 218DEG 34KT 3643 9511 3621 9497 3606 9494
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
276
WWUS54 KTSA 110524
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1224 AM CDT Mon Oct 11 2021
OKC001-021-097-110534-
/O.CAN.KTSA.SV.W.0167.000000T0000Z-211011T0545Z/
Mayes OK-Adair OK-Cherokee OK-
1224 AM CDT Mon Oct 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MAYES...
NORTHWESTERN ADAIR AND NORTHEASTERN CHEROKEE COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 200 AM CDT for northeastern
Oklahoma.
LAT...LON 3667 9462 3650 9462 3622 9458 3624 9491
3641 9496 3651 9496 3657 9501 3688 9473
TIME...MOT...LOC 0524Z 213DEG 46KT 3672 9483 3650 9469 3629 9469
$$
OKC041-115-110545-
/O.CON.KTSA.SV.W.0167.000000T0000Z-211011T0545Z/
Delaware OK-Ottawa OK-
1224 AM CDT Mon Oct 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR DELAWARE AND SOUTHEASTERN OTTAWA COUNTIES...
At 1224 AM CDT, severe thunderstorms were located along a line
extending from 2 miles south of Fairland to 4 miles west of South
West City to near Colcord, moving northeast 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...
Jay... Grove...
Fairland... Colcord...
Bernice... Wyandotte...
Cleora... Honey Creek State Park...
Bernice State Park... Zena...
Lake Eucha State Park... Twin Bridges State Park...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 200 AM CDT for northeastern
Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3667 9462 3650 9462 3622 9458 3624 9491
3641 9496 3651 9496 3657 9501 3688 9473
TIME...MOT...LOC 0524Z 213DEG 46KT 3672 9483 3650 9469 3629 9469
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 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, 10:56 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Delaware, McIntosh, Mayes, Muskogee, Rogers and 1 more | 64 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 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.