Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 113, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 11, 2021, 11:50 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 40 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
- Jun 11, 2021, 11:50 PM CDT (04:50 UTC)
- Expired
- Jun 12, 2021, 12:30 AM CDT
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Osage County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 115 km from the middle of the area, began a volume at 04:53 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 |
|---|---|---|---|
| Jun 11, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 4.8 hours before the alert went out and 138 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
- 3394 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 1175 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
440
WUUS54 KTSA 120450
SVRTSA
OKC113-117-120530-
/O.NEW.KTSA.SV.W.0113.210612T0450Z-210612T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1150 PM CDT Fri Jun 11 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Southwestern Osage County in northeastern Oklahoma...
Pawnee County in northeastern Oklahoma...
* Until 1230 AM CDT.
* At 1150 PM CDT, severe thunderstorms were located along a line
extending from 4 miles east of Burbank to near Pawnee to 7 miles
east of Perry, moving south at 20 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... Cleveland...
Fairfax... Shidler...
Jennings... Ralston...
Burbank... Hallett...
Blackburn... Terlton...
Maramec... Skedee...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3650 9703 3655 9692 3655 9690 3681 9663
3617 9641 3616 9644 3616 9682 3624 9682
3625 9684 3625 9692 3633 9693 3634 9703
TIME...MOT...LOC 0450Z 347DEG 17KT 3668 9665 3634 9682 3628 9716
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
701
WWUS54 KTSA 120514
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1214 AM CDT Sat Jun 12 2021
OKC113-120523-
/O.CAN.KTSA.SV.W.0113.000000T0000Z-210612T0530Z/
Osage OK-
1214 AM CDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OSAGE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
northeastern Oklahoma.
LAT...LON 3641 9703 3646 9697 3646 9693 3647 9688
3654 9682 3656 9679 3651 9672 3648 9670
3644 9672 3642 9668 3643 9664 3639 9660
3616 9658 3616 9682 3624 9682 3625 9684
3625 9692 3633 9693 3634 9703
TIME...MOT...LOC 0513Z 359DEG 33KT 3644 9666 3610 9683 3604 9716
$$
OKC117-120530-
/O.CON.KTSA.SV.W.0113.000000T0000Z-210612T0530Z/
Pawnee OK-
1214 AM CDT Sat Jun 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR PAWNEE COUNTY...
At 1213 AM CDT, severe thunderstorms were located along a line
extending from 4 miles northeast of Skedee to 7 miles west of Yale to
7 miles south of Lake Carl Blackwell, moving south 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...
Pawnee... Ralston...
Blackburn... Maramec...
Skedee...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3641 9703 3646 9697 3646 9693 3647 9688
3654 9682 3656 9679 3651 9672 3648 9670
3644 9672 3642 9668 3643 9664 3639 9660
3616 9658 3616 9682 3624 9682 3625 9684
3625 9692 3633 9693 3634 9703
TIME...MOT...LOC 0513Z 359DEG 33KT 3644 9666 3610 9683 3604 9716
HAIL...1.00IN
WIND...60MPH
$$629
WWUS54 KTSA 120530
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1230 AM CDT Sat Jun 12 2021
OKC117-120540-
/O.EXP.KTSA.SV.W.0113.000000T0000Z-210612T0530Z/
Pawnee OK-
1230 AM CDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR PAWNEE COUNTY HAS EXPIRED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However small
hail, gusty winds and heavy rain are still possible with these
thunderstorms.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
northeastern Oklahoma.
LAT...LON 3641 9703 3646 9697 3646 9693 3647 9688
3654 9682 3656 9679 3651 9672 3648 9670
3644 9672 3642 9668 3643 9664 3639 9660
3616 9658 3616 9682 3624 9682 3625 9684
3625 9692 3633 9693 3634 9703
TIME...MOT...LOC 0530Z 347DEG 17KT 3636 9664 3602 9681 3596 9714
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:14 PM CDT | Special Weather Statement | TSA | Ottawa | 61 min |
| Jun 11, 10:54 PM CDT | Special Weather Statement | TSA | Osage | 51 min |
| Jun 11, 11:08 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 52 min |
| Jun 12, 1:57 AM CDT | Special Weather Statement | TSA | Okfuskee | 48 min |
| Jun 12, 2:17 AM CDT | Areal Flood Advisory | TSA | Creek, Okfuskee | 3 hr |
| Jun 12, 2:30 AM CDT | Special Weather Statement | TSA | Okfuskee, Okmulgee | 45 min |
| Jun 12, 3:06 AM CDT | Special Weather Statement | TSA | McIntosh, Okmulgee | 24 min |
| Jun 12, 3:12 AM CDT | Areal Flood Advisory | TSA | Okfuskee, Okmulgee | 3 hr |
| Jun 12, 3:31 AM CDT | Special Weather Statement | TSA | McIntosh, Pittsburg | 29 min |
| Jun 12, 3:57 AM CDT | Special Weather Statement | TSA | Tulsa | 33 min |
| Jun 12, 4:02 AM CDT | Special Weather Statement | TSA | Latimer, Pittsburg | 28 min |
| Jun 12, 4:59 AM CDT | Special Weather Statement | TSA | Pushmataha | 46 min |
| Jun 12, 1:06 PM CDT | Heat Advisory | TSA | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 12 more | 7 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.