Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 169, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 13, 2021, 8:15 AM CDT for McIntosh County, Pittsburg County, Oklahoma. It was in force for 45 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
- Oct 13, 2021, 8:15 AM CDT (13:15 UTC)
- Expired
- Oct 13, 2021, 9:00 AM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties McIntosh County, OK, Pittsburg County, OK
The radar
The Tulsa radar (KINX), 121 km from the middle of the area, began a volume at 13:14 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
Springfield, MO (KSGF), launched 12:00Z, 1.3 hours before the alert went out and 274 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
- 722 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 440 m²/s²
- 0-3 km storm-relative helicity
- 590 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted.
497
WUUS54 KTSA 131315
SVRTSA
OKC091-121-131400-
/O.NEW.KTSA.SV.W.0169.211013T1315Z-211013T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
815 AM CDT Wed Oct 13 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
McIntosh County in southeastern Oklahoma...
Central Pittsburg County in southeastern Oklahoma...
* Until 900 AM CDT.
* At 814 AM CDT, severe thunderstorms were located along a line
extending from 3 miles east of Wetumka to 3 miles southwest of
Lamar to 3 miles north of Gerty, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Mcalester... Eufaula...
Checotah... Krebs...
Crowder... Alderson...
Canadian... Indianola...
Hanna... Stidham...
Raiford... Haywood...
Blocker... Vivian...
Arrowhead State Park... Mcalester Regional Airport...
Lake Eufaula State Park... Scipio...
Arpelar... Vernon...
The Holdenville Mesonet station located 3 miles east southeast of
Holdenville reported a gust to 60 mph at 805 AM.
This includes Interstate 40 in Oklahoma between mile markers 258 and
267.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3505 9609 3506 9607 3509 9606 3512 9603
3512 9601 3515 9601 3515 9598 3533 9598
3552 9547 3518 9547 3492 9556 3484 9609
TIME...MOT...LOC 1314Z 255DEG 43KT 3524 9619 3508 9617 3489 9629
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Lacy2 follow-up statements
505
WWUS54 KTSA 131332
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
832 AM CDT Wed Oct 13 2021
OKC091-121-131400-
/O.CON.KTSA.SV.W.0169.000000T0000Z-211013T1400Z/
McIntosh OK-Pittsburg OK-
832 AM CDT Wed Oct 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR MCINTOSH AND NORTHERN PITTSBURG COUNTIES...
At 832 AM CDT, severe thunderstorms were located along a line
extending from 4 miles east of Dustin to 5 miles southwest of Hanna
to 4 miles southwest of Scipio, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Eufaula... Checotah...
Crowder... Canadian...
Indianola... Hanna...
Stidham... Raiford...
Blocker... Vivian...
Arrowhead State Park... Lake Eufaula State Park...
Scipio... Vernon...
Onapa...
This includes Interstate 40 in Oklahoma between mile markers 258 and
267.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3505 9609 3506 9607 3509 9606 3512 9603
3512 9601 3515 9601 3515 9598 3533 9598
3552 9547 3518 9547 3506 9551 3497 9609
TIME...MOT...LOC 1332Z 248DEG 43KT 3529 9596 3513 9594 3501 9601
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Lacy949
WWUS54 KTSA 131350
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
850 AM CDT Wed Oct 13 2021
OKC091-121-131400-
/O.EXP.KTSA.SV.W.0169.000000T0000Z-211013T1400Z/
McIntosh OK-Pittsburg OK-
850 AM CDT Wed Oct 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR MCINTOSH AND NORTHERN
PITTSBURG COUNTIES WILL EXPIRE AT 900 AM CDT...
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 will be allowed to expire.
LAT...LON 3505 9609 3506 9607 3509 9606 3512 9603
3512 9601 3515 9601 3515 9598 3533 9598
3552 9547 3518 9547 3506 9551 3497 9609
TIME...MOT...LOC 1350Z 255DEG 43KT 3534 9572 3518 9570 3506 9577
$$
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 4:48 AM CDT | Special Weather Statement | TSA | Osage | 42 min |
| Oct 13, 5:27 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 48 min |
| Oct 13, 6:03 AM CDT | Special Weather Statement | TSA | Creek, Osage, Washington | 42 min |
| Oct 13, 6:39 AM CDT | Special Weather Statement | TSA | Creek, Nowata, Tulsa, Washington | 66 min |
| Oct 13, 6:48 AM CDT | Special Weather Statement | TSA | Okfuskee | 57 min |
| Oct 13, 7:29 AM CDT | Special Weather Statement | TSA | Craig | 46 min |
| Oct 13, 7:34 AM CDT | Special Weather Statement | TSA | Okmulgee, Rogers, Tulsa | 41 min |
| Oct 13, 8:08 AM CDT | Special Weather Statement | TSA | Mayes, Rogers | 52 min |
| Oct 13, 8:18 AM CDT | Special Weather Statement | TSA | Craig, Ottawa | 42 min |
| Oct 13, 8:42 AM CDT | Special Weather Statement | TSA | Muskogee, Wagoner | 48 min |
| Oct 13, 8:48 AM CDT | Special Weather Statement | TSA | Mayes | 42 min |
| Oct 13, 8:52 AM CDT | Special Weather Statement | TSA | McIntosh | 23 min |
| Oct 13, 9:10 AM CDT | Special Weather Statement | TSA | Haskell | 50 min |
| Oct 13, 9:17 AM CDT | Special Weather Statement | TSA | Cherokee | 28 min |
| Oct 13, 9:21 AM CDT | Special Weather Statement | TSA | Cherokee, Delaware | 24 min |
| Oct 13, 9:39 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 13 min |
| Oct 13, 9:46 AM CDT | Special Weather Statement | TSA | Adair | 44 min |
| Oct 13, 9:49 AM CDT | Special Weather Statement | TSA | Haskell, Sequoyah | 41 min |
| Oct 13, 10:22 AM CDT | Special Weather Statement | TSA | Sequoyah | 38 min |
| Oct 13, 3:39 PM CDT | Special Weather Statement | TSA | Choctaw, Pushmataha | 66 min |
| Oct 13, 4:19 PM CDT | Areal Flood Advisory | TSA | Haskell, Latimer, LeFlore, Pushmataha | 3 hr |
| Oct 13, 4:22 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw, Pushmataha | 32 min |
| Oct 13, 4:51 PM CDT | Special Weather Statement | TSA | Latimer, LeFlore | 39 min |
| Oct 13, 4:57 PM CDT | Special Weather Statement | TSA | Pushmataha | 63 min |
| Oct 13, 5:45 PM CDT | Areal Flood Advisory | TSA | Haskell, LeFlore, Sequoyah | 3 hr |
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.