Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 198, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Dec 17, 2021, 8:43 PM CST for Latimer County, Pittsburg County, Oklahoma. It was in force for 36 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 17, 2021, 8:43 PM CST (02:43 UTC)
- Expired
- Dec 17, 2021, 9:19 PM CST
- In force
- 36 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Latimer County, OK, Pittsburg County, OK
The radar
The Western Arkansas radar (KSRX), 126 km from the middle of the area, began a volume at 02:42 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
Fort Worth, TX (KFWD), launched 00:00Z, 2.7 hours before the alert went out and 270 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
- 907 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.4
The text
As transmitted.
932
WUUS54 KTSA 180243
SVRTSA
OKC077-121-180330-
/O.NEW.KTSA.SV.W.0198.211218T0243Z-211218T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
843 PM CST Fri Dec 17 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Latimer County in southeastern Oklahoma...
Southeastern Pittsburg County in southeastern Oklahoma...
* Until 930 PM CST.
* At 842 PM CST, a severe thunderstorm was located 3 miles north of
Blanco, moving northeast at 35 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...
Mcalester... Wilburton...
Hartshorne... Krebs...
Savanna... Alderson...
Higgins... Damon...
Mcalester Regional Airport... Blanco...
Haileyville... Gowen...
Dow... Bache...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tulsa.
&&
LAT...LON 3470 9580 3485 9587 3506 9545 3482 9518
TIME...MOT...LOC 0242Z 247DEG 32KT 3480 9578
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$3 follow-up statements
805
WWUS54 KTSA 180255
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
855 PM CST Fri Dec 17 2021
OKC077-121-180330-
/O.CON.KTSA.SV.W.0198.000000T0000Z-211218T0330Z/
Latimer OK-Pittsburg OK-
855 PM CST Fri Dec 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CST
FOR NORTHWESTERN LATIMER AND EAST CENTRAL PITTSBURG COUNTIES...
At 855 PM CST, a severe thunderstorm was located 4 miles northwest of
Hartshorne, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Wilburton... Hartshorne...
Alderson... Higgins...
Damon... Haileyville...
Gowen... Dow...
Bache...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tulsa.
&&
LAT...LON 3476 9567 3490 9572 3506 9545 3482 9518
TIME...MOT...LOC 0255Z 243DEG 37KT 3487 9562
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$623 WWUS54 KTSA 180312 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 912 PM CST Fri Dec 17 2021 OKC077-121-180330- /O.CON.KTSA.SV.W.0198.000000T0000Z-211218T0330Z/ Latimer OK-Pittsburg OK- 912 PM CST Fri Dec 17 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CST FOR NORTHWESTERN LATIMER AND EAST CENTRAL PITTSBURG COUNTIES... At 912 PM CST, a severe thunderstorm was located 6 miles southwest of Robbers Cave State Park, moving northeast at 40 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... Wilburton... Hartshorne... Higgins... Damon... Gowen... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Tulsa. && LAT...LON 3479 9553 3494 9559 3506 9545 3482 9518 TIME...MOT...LOC 0312Z 246DEG 36KT 3493 9542 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$
696
WWUS54 KTSA 180319
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
919 PM CST Fri Dec 17 2021
OKC077-121-180328-
/O.CAN.KTSA.SV.W.0198.000000T0000Z-211218T0330Z/
Latimer OK-Pittsburg OK-
919 PM CST Fri Dec 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LATIMER AND EAST
CENTRAL PITTSBURG COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail and
gusty winds are still possible with this thunderstorm.
LAT...LON 3479 9553 3494 9559 3506 9545 3482 9518
TIME...MOT...LOC 0317Z 247DEG 32KT 3495 9536
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 6:12 PM CST | Special Weather Statement | TSA | McIntosh | 33 min |
| Dec 17, 6:43 PM CST | Special Weather Statement | TSA | Haskell | 32 min |
| Dec 17, 6:47 PM CST | Special Weather Statement | TSA | Pittsburg | 28 min |
| Dec 17, 6:48 PM CST | Areal Flood Advisory | TSA | Haskell, McIntosh, Muskogee, Pittsburg | 4 hr |
| Dec 17, 7:11 PM CST | River Flood Warning | TSA | Adair, Cherokee, Delaware | 40 hr |
| Dec 17, 7:15 PM CST | Special Weather Statement | TSA | Sequoyah | 30 min |
| Dec 17, 7:17 PM CST | River Flood Advisory | TSA | Cherokee, Delaware | 24 hr |
| Dec 17, 7:17 PM CST | Special Weather Statement | TSA | Pittsburg | 28 min |
| Dec 17, 7:41 PM CST | Special Weather Statement | TSA | Pittsburg | 34 min |
| Dec 17, 7:49 PM CST | Special Weather Statement | TSA | Pittsburg | 26 min |
| Dec 17, 8:10 PM CST | Special Weather Statement | TSA | Pittsburg | 35 min |
| Dec 17, 8:15 PM CST | Special Weather Statement | TSA | Pittsburg | 30 min |
| Dec 17, 8:39 PM CST | Special Weather Statement | TSA | Latimer | 36 min |
| Dec 17, 9:18 PM CST | Special Weather Statement | TSA | Haskell | 42 min |
| Dec 17, 9:46 PM CST | Special Weather Statement | TSA | Sequoyah | 44 min |
| Dec 17, 10:27 PM CST | Areal Flood Advisory | TSA | Adair, Haskell, LeFlore, Sequoyah | 4 hr |
| Dec 17, 11:50 PM CST | Areal Flood Advisory | TSA | Latimer, LeFlore | 4 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.