Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 175, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 15, 2021, 3:29 AM CDT for 4 counties in Oklahoma. It was in force for 46 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 15, 2021, 3:29 AM CDT (08:29 UTC)
- Expired
- Oct 15, 2021, 4:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cherokee County, OK, McIntosh County, OK, Muskogee County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 82 km from the middle of the area, began a volume at 08:30 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
Norman, OK (KOUN), launched 00:00Z, 8.5 hours before the alert went out and 194 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
- 421 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted.
947
WUUS54 KTSA 150829
SVRTSA
OKC021-091-101-145-150915-
/O.NEW.KTSA.SV.W.0175.211015T0829Z-211015T0915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
329 AM CDT Fri Oct 15 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northern McIntosh County in southeastern Oklahoma...
Southeastern Wagoner County in northeastern Oklahoma...
Southwestern Cherokee County in east central Oklahoma...
Muskogee County in east central Oklahoma...
* Until 415 AM CDT.
* At 329 AM CDT, severe thunderstorms were located along a line
extending from 2 miles southeast of Taft to Oktaha to 4 miles north
of Raiford, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Muskogee... Tahlequah...
Fort Gibson... Checotah...
Warner... Porum...
Webbers Falls... Oktaha...
Braggs... Taft...
Council Hill... Rentiesville...
Stidham... Greenleaf State Park...
Pumpkin Center... Vivian...
Lake Eufaula State Park... Keefeton...
Wainwright... Summit...
This includes Interstate 40 in Oklahoma between mile markers 252 and
288.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3559 9562 3577 9564 3592 9497 3564 9503
3564 9513 3553 9513 3546 9507 3541 9508
3537 9512 3537 9516 3535 9514 3535 9517
3532 9518 3531 9537 3533 9540 3531 9543
3527 9589
TIME...MOT...LOC 0829Z 261DEG 40KT 3573 9553 3559 9548 3533 9579
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$2 follow-up statements
268
WWUS54 KTSA 150855
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
355 AM CDT Fri Oct 15 2021
OKC021-091-101-145-150915-
/O.CON.KTSA.SV.W.0175.000000T0000Z-211015T0915Z/
McIntosh OK-Wagoner OK-Cherokee OK-Muskogee OK-
355 AM CDT Fri Oct 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM CDT
FOR NORTHEASTERN MCINTOSH...SOUTHEASTERN WAGONER...SOUTHWESTERN
CHEROKEE AND EASTERN MUSKOGEE COUNTIES...
At 355 AM CDT, severe thunderstorms were located along a line
extending from 3 miles east of Fort Gibson to 2 miles south of
Pumpkin Center to 6 miles southeast of Checotah, moving east at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Muskogee... Tahlequah...
Fort Gibson... Warner...
Porum... Webbers Falls...
Oktaha... Braggs...
Rentiesville... Greenleaf State Park...
Pumpkin Center... Keefeton...
Summit...
This includes Interstate 40 in Oklahoma between mile markers 266 and
288.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3592 9497 3564 9503 3564 9513 3553 9513
3546 9507 3541 9508 3533 9540 3536 9553
3582 9542
TIME...MOT...LOC 0855Z 258DEG 40KT 3581 9518 3567 9513 3541 9544
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$972
WWUS54 KTSA 150911
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
411 AM CDT Fri Oct 15 2021
OKC021-091-101-145-150921-
/O.EXP.KTSA.SV.W.0175.000000T0000Z-211015T0915Z/
McIntosh OK-Wagoner OK-Cherokee OK-Muskogee OK-
411 AM CDT Fri Oct 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCINTOSH...
SOUTHEASTERN WAGONER...SOUTHWESTERN CHEROKEE AND EASTERN MUSKOGEE
COUNTIES WILL EXPIRE AT 415 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tulsa.
LAT...LON 3592 9497 3564 9503 3564 9513 3553 9513
3546 9507 3541 9508 3533 9540 3536 9553
3582 9542
TIME...MOT...LOC 0911Z 261DEG 40KT 3584 9497 3570 9492 3544 9523
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 10:27 PM CDT | Dense Fog Advisory | TSA | Adair, Cherokee, Delaware | 5 hr |
| Oct 15, 1:41 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 49 min |
| Oct 15, 1:44 AM CDT | Special Weather Statement | TSA | Creek, Tulsa | 46 min |
| Oct 15, 2:26 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 49 min |
| Oct 15, 2:29 AM CDT | Special Weather Statement | TSA | Rogers, Tulsa | 46 min |
| Oct 15, 2:37 AM CDT | Areal Flood Advisory | TSA | Creek, Osage, Tulsa | 3 hr |
| Oct 15, 2:51 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okmulgee | 39 min |
| Oct 15, 3:13 AM CDT | Special Weather Statement | TSA | Mayes, Rogers, Wagoner | 47 min |
| Oct 15, 3:32 AM CDT | Areal Flood Advisory | TSA | Muskogee, Okmulgee, Tulsa, Wagoner | 118 min |
| Oct 15, 3:53 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Muskogee, Sequoyah | 52 min |
| Oct 15, 4:02 AM CDT | Special Weather Statement | TSA | Delaware | 43 min |
| Oct 15, 4:35 AM CDT | Special Weather Statement | TSA | Adair, Sequoyah | 55 min |
| Oct 15, 7:51 AM CDT | Areal Flood Advisory | TSA | Haskell, LeFlore, Muskogee, Sequoyah | 2 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.