Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 196, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Dec 15, 2021, 8:10 PM CST for Nowata County, Osage County, Washington County, Oklahoma. It was in force for 50 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
- Dec 15, 2021, 8:10 PM CST (02:10 UTC)
- Expired
- Dec 15, 2021, 9:00 PM CST
- In force
- 50 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Nowata County, OK, Osage County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 74 km from the middle of the area, began a volume at 02:14 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 15, 6:00 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.2 hours before the alert went out and 203 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
- 9 J/kg
- Mixed-layer CIN
- -387 J/kg
- Mixed-layer LCL
- 1246 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 310 m²/s²
- 0-3 km storm-relative helicity
- 677 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
995
WUUS54 KTSA 160210
SVRTSA
OKC105-113-147-160300-
/O.NEW.KTSA.SV.W.0196.211216T0210Z-211216T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
810 PM CST Wed Dec 15 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
East central Osage County in northeastern Oklahoma...
Washington County in northeastern Oklahoma...
Western Nowata County in northeastern Oklahoma...
* Until 900 PM CST.
* At 809 PM CST, a severe thunderstorm was located 4 miles southeast
of Pawhuska, moving east at 55 mph. Another severe thunderstorm
was located 4 miles southwest of Copan...also moving east at 55
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Bartlesville... Nowata...
Pawhuska... Dewey...
Barnsdall... Copan...
Wynona... Ochelata...
Delaware... Lenapah...
Wann... Bartlesville Municipal Airport...
Osage Hills State Park... Okesa...
Tallant... Pershing...
Nelagoney...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3649 9641 3663 9647 3700 9586 3700 9562
3663 9565
TIME...MOT...LOC 0209Z 252DEG 48KT 3662 9629
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$3 follow-up statements
872
WWUS54 KTSA 160227
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
827 PM CST Wed Dec 15 2021
OKC105-113-147-160300-
/O.CON.KTSA.SV.W.0196.000000T0000Z-211216T0300Z/
Osage OK-Washington OK-Nowata OK-
827 PM CST Wed Dec 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CST
FOR EAST CENTRAL OSAGE...CENTRAL WASHINGTON AND WESTERN NOWATA
COUNTIES...
At 826 PM CST, a severe thunderstorm was located 4 miles southwest of
Bartlesville, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Bartlesville... Nowata...
Dewey... Barnsdall...
Ochelata... Delaware...
Lenapah... Wann...
Bartlesville Municipal Airport... Okesa...
Tallant... Pershing...
Nelagoney...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3651 9629 3665 9631 3700 9574 3700 9562
3663 9565
TIME...MOT...LOC 0226Z 250DEG 43KT 3669 9602
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$226
WWUS54 KTSA 160243
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
843 PM CST Wed Dec 15 2021
OKC113-160253-
/O.CAN.KTSA.SV.W.0196.000000T0000Z-211216T0300Z/
Osage OK-
843 PM CST Wed Dec 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OSAGE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until midnight CST for
northeastern Oklahoma.
LAT...LON 3656 9600 3675 9600 3700 9562 3663 9565
TIME...MOT...LOC 0243Z 253DEG 45KT 3674 9578
$$
OKC105-147-160300-
/O.CON.KTSA.SV.W.0196.000000T0000Z-211216T0300Z/
Washington OK-Nowata OK-
843 PM CST Wed Dec 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CST
FOR CENTRAL WASHINGTON AND WESTERN NOWATA COUNTIES...
At 843 PM CST, a severe thunderstorm was located 8 miles west of
Delaware, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Bartlesville... Nowata...
Dewey... Ochelata...
Delaware... Lenapah...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3656 9600 3675 9600 3700 9562 3663 9565
TIME...MOT...LOC 0243Z 253DEG 45KT 3674 9578
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$935
WWUS54 KTSA 160300
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
900 PM CST Wed Dec 15 2021
OKC105-147-160309-
/O.EXP.KTSA.SV.W.0196.000000T0000Z-211216T0300Z/
Washington OK-Nowata OK-
900 PM CST Wed Dec 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WASHINGTON AND WESTERN
NOWATA COUNTIES WILL EXPIRE AT 900 PM CST...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds to 40 mph are still
possible with other thunderstorms.
A Severe Thunderstorm Watch remains in effect until midnight CST for
northeastern Oklahoma.
LAT...LON 3656 9600 3675 9600 3700 9562 3663 9565
TIME...MOT...LOC 0259Z 252DEG 48KT 3680 9555
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 6:03 PM CST | Special Weather Statement | TSA | Osage | 27 min |
| Dec 15, 7:18 PM CST | Special Weather Statement | TSA | Osage, Pawnee, Washington | 57 min |
| Dec 15, 8:30 PM CST | Special Weather Statement | TSA | Nowata | 45 min |
| Dec 15, 9:12 PM CST | Special Weather Statement | TSA | Rogers | 48 min |
| Dec 15, 9:15 PM CST | Special Weather Statement | TSA | Craig, Nowata, Ottawa | 45 min |
| Dec 15, 10:05 PM CST | Special Weather Statement | TSA | Craig, Ottawa, Rogers | 55 min |
| Dec 15, 10:57 PM CST | Special Weather Statement | TSA | Mayes | 33 min |
| Dec 16, 2:00 PM CST | Flood Watch | TSA | Adair, Cherokee, Delaware, Haskell, Latimer, McIntosh and 2 more | 40 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.