Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 123, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2021, 5:52 PM CDT for Osage County, Pawnee County, Oklahoma. 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
- Jul 10, 2021, 5:52 PM CDT (22:52 UTC)
- Expired
- Jul 10, 2021, 6:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Osage County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 117 km from the middle of the area, began a volume at 22:53 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 |
|---|---|---|---|
| Jul 10, 3:02 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 10.9 hours before the alert went out and 154 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.
964
WUUS54 KTSA 102252
SVRTSA
OKC113-117-102330-
/O.NEW.KTSA.SV.W.0123.210710T2252Z-210710T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
552 PM CDT Sat Jul 10 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Southwestern Osage County in northeastern Oklahoma...
Central Pawnee County in northeastern Oklahoma...
* Until 630 PM CDT.
* At 552 PM CDT, a severe thunderstorm was located over Ralston,
moving east at 25 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...
Pawnee... Hominy...
Cleveland... Fairfax...
Ralston... Osage...
Blackburn... Skedee...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3655 9692 3655 9690 3657 9689 3658 9689
3659 9690 3659 9685 3653 9626 3619 9643
3642 9700
TIME...MOT...LOC 2252Z 283DEG 22KT 3649 9675
HAIL...1.25IN
WIND...60MPH
$$
Lacy1 follow-up statement
524
WWUS54 KTSA 102308
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
608 PM CDT Sat Jul 10 2021
OKC113-117-102330-
/O.CON.KTSA.SV.W.0123.000000T0000Z-210710T2330Z/
Osage OK-Pawnee OK-
608 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHWESTERN OSAGE AND CENTRAL PAWNEE COUNTIES...
At 608 PM CDT, a severe thunderstorm was located 6 miles north of
Blackburn, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Pawnee... Hominy...
Cleveland... Fairfax...
Ralston... Osage...
Blackburn... Skedee...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3651 9694 3658 9674 3653 9626 3619 9643
3642 9700
TIME...MOT...LOC 2308Z 280DEG 28KT 3647 9657
HAIL...1.00IN
WIND...60MPH
$$
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, 6:06 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee, Rogers, Tulsa, Washington | 39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.