Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 124, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2021, 6:06 PM CDT for 5 counties in Oklahoma. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 10, 2021, 6:06 PM CDT (23:06 UTC)
- Expired
- Jul 10, 2021, 6:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Osage County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 41 km from the middle of the area, began a volume at 23:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 6:48 PM CDT | TSTM WND DMG | 4 Sw Vera, OK | REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 3:02 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.1 hours before the alert went out and 178 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
- 1249 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
836 WUUS54 KTSA 102306 SVRTSA OKC113-117-131-143-147-102345- /O.NEW.KTSA.SV.W.0124.210710T2306Z-210710T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tulsa OK 606 PM CDT Sat Jul 10 2021 The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Western Rogers County in northeastern Oklahoma... Southeastern Osage County in northeastern Oklahoma... Southern Washington County in northeastern Oklahoma... Southeastern Pawnee County in northeastern Oklahoma... Northeastern Tulsa County in northeastern Oklahoma... * Until 645 PM CDT. * At 605 PM CDT, severe thunderstorms were located along a line extending from 5 miles west of Talala to 3 miles south of Barnsdall, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations in or near the path include... Tulsa... Sand Springs... Owasso... Skiatook... Catoosa... Collinsville... Barnsdall... Sperry... Ramona... Wynona... Avant... Westport... Vera... Walnut Creek State Park... Turley... Tulsa International Airport... Wolco... This includes Interstate 44 between mile markers 237 and 239. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3617 9570 3619 9643 3655 9632 3659 9574 TIME...MOT...LOC 2305Z 306DEG 25KT 3652 9581 3652 9616 HAIL...0.88IN WIND...60MPH $$ Lacy
2 follow-up statements
706 WWUS54 KTSA 102321 SVSTSA Severe Weather Statement National Weather Service Tulsa OK 621 PM CDT Sat Jul 10 2021 OKC113-117-131-143-147-102345- /O.CON.KTSA.SV.W.0124.000000T0000Z-210710T2345Z/ Rogers OK-Osage OK-Washington OK-Pawnee OK-Tulsa OK- 621 PM CDT Sat Jul 10 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR WESTERN ROGERS...SOUTHEASTERN OSAGE...SOUTHERN WASHINGTON... SOUTHEASTERN PAWNEE AND NORTHEASTERN TULSA COUNTIES... At 621 PM CDT, severe thunderstorms were located along a line extending from near Collinsville to 5 miles southwest of Barnsdall, moving south at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations in or near the path include... Tulsa... Sand Springs... Owasso... Skiatook... Catoosa... Collinsville... Barnsdall... Sperry... Ramona... Wynona... Avant... Westport... Vera... Walnut Creek State Park... Turley... Tulsa International Airport... Wolco... This includes Interstate 44 between mile markers 237 and 239. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3617 9570 3619 9643 3655 9632 3659 9574 TIME...MOT...LOC 2321Z 339DEG 17KT 3639 9584 3651 9623 HAIL...0.88IN WIND...60MPH $$ Lacy
852
WWUS54 KTSA 102341
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
641 PM CDT Sat Jul 10 2021
OKC113-117-131-143-147-102350-
/O.EXP.KTSA.SV.W.0124.000000T0000Z-210710T2345Z/
Rogers OK-Osage OK-Washington OK-Pawnee OK-Tulsa OK-
641 PM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN ROGERS...SOUTHEASTERN
OSAGE...SOUTHERN WASHINGTON...SOUTHEASTERN PAWNEE AND NORTHEASTERN
TULSA COUNTIES WILL EXPIRE AT 645 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms. Storms could
reintensify as well, so monitor for any additional warnings that may
be needed.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern Oklahoma.
LAT...LON 3617 9570 3619 9643 3655 9632 3659 9574
TIME...MOT...LOC 2340Z 270DEG 25KT 3631 9571 3644 9610
$$
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 11:00 AM CDT | Special Weather Statement | TSA | Delaware | 30 min |
| Jul 10, 4:14 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 46 min |
| Jul 10, 4:24 PM CDT | Special Weather Statement | TSA | Washington | 36 min |
| Jul 10, 4:43 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 47 min |
| Jul 10, 5:09 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Rogers, Washington | 51 min |
| Jul 10, 5:16 PM CDT | Areal Flood Advisory | TSA | Nowata, Osage, Washington | 3 hr |
| Jul 10, 5:27 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 48 min |
| Jul 10, 5:41 PM CDT | Flash Flood Warning | TSA | Nowata, Osage, Washington | 3 hr |
| Jul 10, 5:49 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Nowata, Rogers | 41 min |
| Jul 10, 5:52 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 38 min |
| Jul 10, 6:19 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Rogers, Wagoner | 41 min |
| Jul 10, 6:24 PM CDT | Special Weather Statement | TSA | Pawnee | 36 min |
| Jul 10, 6:34 PM CDT | Areal Flood Advisory | TSA | Nowata, Osage, Pawnee, Rogers, Tulsa, Washington | 3 hr |
| Jul 10, 6:40 PM CDT | Special Weather Statement | TSA | Pawnee, Tulsa | 50 min |
| Jul 10, 6:43 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware, Mayes, Wagoner | 47 min |
| Jul 10, 6:47 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Osage, Rogers, Tulsa, Wagoner, Washington | 43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.