Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 177, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 24, 2021, 6:16 PM CDT for Adair County, Cherokee County, Muskogee County, Oklahoma. It was in force for 44 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 24, 2021, 6:16 PM CDT (23:16 UTC)
- Expired
- Oct 24, 2021, 7:00 PM CDT
- In force
- 44 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Adair County, OK, Cherokee County, OK, Muskogee County, OK
The radar
The Western Arkansas radar (KSRX), 68 km from the middle of the area, began a volume at 23:18 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 24, 3:47 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.3 hours before the alert went out and 159 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
- 860 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
268
WUUS54 KTSA 242316
SVRTSA
OKC001-021-101-250000-
/O.NEW.KTSA.SV.W.0177.211024T2316Z-211025T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
616 PM CDT Sun Oct 24 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Southwestern Adair County in northeastern Oklahoma...
Southern Cherokee County in east central Oklahoma...
Northeastern Muskogee County in east central Oklahoma...
* Until 700 PM CDT.
* At 615 PM CDT, a severe thunderstorm was located 5 miles north of
Pumpkin Center, moving east at 35 mph.
HAZARD...60 mph wind gusts and half dollar 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...
Tahlequah... Stilwell...
Bunch... Cookson...
Cherokee Landing State Park... Maryetta...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for northeastern
and east central Oklahoma.
A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3564 9466 3564 9481 3575 9524 3590 9513
3592 9462
TIME...MOT...LOC 2315Z 278DEG 30KT 3579 9513
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
727
WWUS54 KTSA 242337
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
637 PM CDT Sun Oct 24 2021
OKC101-242346-
/O.CAN.KTSA.SV.W.0177.000000T0000Z-211025T0000Z/
Muskogee OK-
637 PM CDT Sun Oct 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MUSKOGEE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for northeastern
and east central Oklahoma.
LAT...LON 3564 9466 3564 9481 3571 9507 3584 9500
3592 9462
TIME...MOT...LOC 2336Z 278DEG 30KT 3576 9491
$$
OKC001-021-250000-
/O.CON.KTSA.SV.W.0177.000000T0000Z-211025T0000Z/
Adair OK-Cherokee OK-
637 PM CDT Sun Oct 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHWESTERN ADAIR AND SOUTHEASTERN CHEROKEE COUNTIES...
At 636 PM CDT, a severe thunderstorm was located over Cherokee
Landing State Park, moving east at 35 mph.
HAZARD...60 mph wind gusts and half dollar 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...
Stilwell... Bunch...
Cookson... Cherokee Landing State Park...
Maryetta...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for northeastern
and east central Oklahoma.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3564 9466 3564 9481 3571 9507 3584 9500
3592 9462
TIME...MOT...LOC 2336Z 278DEG 30KT 3576 9491
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 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 24, 5:54 AM CDT | Special Weather Statement | TSA | Pawnee | 36 min |
| Oct 24, 6:20 AM CDT | Special Weather Statement | TSA | Osage | 40 min |
| Oct 24, 7:01 AM CDT | Special Weather Statement | TSA | Osage | 44 min |
| Oct 24, 6:03 PM CDT | Special Weather Statement | TSA | Cherokee | 27 min |
| Oct 24, 6:56 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Sequoyah | 49 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.