Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 193, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Dec 10, 2021, 6:37 PM CST for Delaware County, Oklahoma; Benton County, Arkansas. It was in force for 38 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 10, 2021, 6:37 PM CST (00:37 UTC)
- Expired
- Dec 10, 2021, 7:15 PM CST
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benton County, AR, Delaware County, OK
The radar
The Tulsa radar (KINX), 106 km from the middle of the area, began a volume at 00:37 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 00:00Z, 0.6 hours before the alert went out and 83 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
- 637 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1113 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 344 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.4
The text
As transmitted.
372
WUUS54 KTSA 110037
SVRTSA
ARC007-OKC041-110115-
/O.NEW.KTSA.SV.W.0193.211211T0037Z-211211T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
637 PM CST Fri Dec 10 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Benton County in northwestern Arkansas...
Southeastern Delaware County in northeastern Oklahoma...
* Until 715 PM CST.
* At 636 PM CST, severe thunderstorms were located along a line
extending from near Gravette to 3 miles southeast of Colcord,
moving northeast at 50 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...
Rogers... Bentonville...
Bella Vista... Pea Ridge...
Gentry... Gravette...
Decatur... Colcord...
Kansas... Highfill...
Springtown... Maysville...
Northwest Arkansas Regional Air...
Hiwasse...
Miller... Centerton...
Avoca... Vaughn...
Cherokee City...
This includes Interstate 49 between mile markers 83 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3632 9413 3616 9481 3616 9484 3650 9453
3650 9397
TIME...MOT...LOC 0036Z 242DEG 44KT 3641 9443 3623 9464
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
143
WWUS54 KTSA 110047
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
647 PM CST Fri Dec 10 2021
ARC007-OKC041-110115-
/O.CON.KTSA.SV.W.0193.000000T0000Z-211211T0115Z/
Benton AR-Delaware OK-
647 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR NORTHWESTERN BENTON AND SOUTHEASTERN DELAWARE COUNTIES...
At 647 PM CST, severe thunderstorms were located along a line
extending from Bella Vista to near Decatur to 3 miles southeast of
Kansas, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Rogers... Bentonville...
Bella Vista... Pea Ridge...
Gentry... Gravette...
Decatur... Colcord...
Highfill... Springtown...
Northwest Arkansas Regional Air...
Hiwasse...
Miller... Centerton...
Avoca... Vaughn...
Cherokee City...
This includes Interstate 49 between mile markers 83 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3632 9413 3616 9481 3616 9484 3635 9454
3650 9437 3650 9397
TIME...MOT...LOC 0047Z 289DEG 35KT 3646 9430 3631 9446 3618 9474
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$295
WWUS54 KTSA 110100
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
700 PM CST Fri Dec 10 2021
OKC041-110110-
/O.CAN.KTSA.SV.W.0193.000000T0000Z-211211T0115Z/
Delaware OK-
700 PM CST Fri Dec 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DELAWARE COUNTY
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 1100 PM CST for northwestern
Arkansas.
LAT...LON 3632 9413 3622 9457 3628 9458 3635 9452
3650 9428 3650 9397
TIME...MOT...LOC 0100Z 241DEG 44KT 3647 9417 3638 9430 3623 9454
$$
ARC007-110115-
/O.CON.KTSA.SV.W.0193.000000T0000Z-211211T0115Z/
Benton AR-
700 PM CST Fri Dec 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CST
FOR NORTHWESTERN BENTON COUNTY...
At 700 PM CST, severe thunderstorms were located along a line
extending from 3 miles west of Pea Ridge to 4 miles southeast of
Hiwasse to 3 miles north of Siloam Springs, moving northeast at 50
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Rogers... Bentonville...
Bella Vista... Pea Ridge...
Gentry... Decatur...
Highfill... Springtown...
Northwest Arkansas Regional Air...
Hiwasse...
Miller... Centerton...
Avoca... Vaughn...
This includes Interstate 49 between mile markers 83 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CST for northwestern
Arkansas.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3632 9413 3622 9457 3628 9458 3635 9452
3650 9428 3650 9397
TIME...MOT...LOC 0100Z 241DEG 44KT 3647 9417 3638 9430 3623 9454
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 6:14 PM CST | Special Weather Statement | TSA | Delaware | 31 min |
| Dec 10, 6:56 PM CST | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 34 min |
| Dec 10, 8:08 PM CST | Special Weather Statement | TSA | LeFlore | 37 min |
| Dec 10, 8:31 PM CST | Special Weather Statement | TSA | LeFlore | 44 min |
| Dec 10, 7:18 PM CST | Special Weather Statement | TSA | Benton | 27 min |
| Dec 10, 7:22 PM CST | Tornado Warning | TSA | Washington | 22 min |
| Dec 10, 7:40 PM CST | Special Weather Statement | TSA | Washington | 35 min |
| Dec 10, 8:02 PM CST | Special Weather Statement | TSA | Carroll | 28 min |
| Dec 10, 8:07 PM CST | Special Weather Statement | TSA | Crawford | 23 min |
| Dec 10, 8:42 PM CST | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 33 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2021Severe Thunderstorm Warnings in Arkansas, 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.