Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 131, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2021, 8:39 PM CDT for Creek County, McIntosh County, Okmulgee County, Oklahoma. It was in force for 51 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, 8:39 PM CDT (01:39 UTC)
- Expired
- Jul 10, 2021, 9:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Creek County, OK, McIntosh County, OK, Okmulgee County, OK
The radar
The Tulsa radar (KINX), 79 km from the middle of the area, began a volume at 01:38 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 00:00Z, 1.7 hours before the alert went out and 135 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
- 2495 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1225 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 14.8
The text
As transmitted.
329
WUUS54 KTSA 110139
SVRTSA
OKC037-091-111-110230-
/O.NEW.KTSA.SV.W.0131.210711T0139Z-210711T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
839 PM CDT Sat Jul 10 2021
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Southeastern Creek County in northeastern Oklahoma...
Northwestern McIntosh County in southeastern Oklahoma...
Okmulgee County in northeastern Oklahoma...
* Until 930 PM CDT.
* At 839 PM CDT, a severe thunderstorm was located 4 miles southwest
of Beggs, moving southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations in or near the path include...
Okmulgee... Henryetta...
Morris... Beggs...
Dewar... Schulter...
Grayson... Hoffman...
Preston... Okmulgee State Park...
Hitchita... Pierce...
Eram...
This includes Interstate 40 in Oklahoma between mile markers 235 and
255.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3575 9629 3586 9610 3559 9571 3555 9571
3555 9566 3551 9560 3528 9592 3536 9598
3538 9598 3538 9600 3550 9609 3555 9609
3555 9613
TIME...MOT...LOC 0139Z 318DEG 41KT 3569 9612
HAIL...<.75IN
WIND...60MPH
$$
Lacy2 follow-up statements
802
WWUS54 KTSA 110153
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
853 PM CDT Sat Jul 10 2021
OKC037-110203-
/O.CAN.KTSA.SV.W.0131.000000T0000Z-210711T0230Z/
Creek OK-
853 PM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CREEK COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern, northeastern and east central Oklahoma.
LAT...LON 3570 9612 3580 9601 3559 9571 3555 9571
3555 9566 3551 9560 3528 9592 3536 9598
3538 9598 3538 9600 3550 9609 3555 9609
3555 9613
TIME...MOT...LOC 0153Z 324DEG 37KT 3568 9597
$$
OKC091-111-110230-
/O.CON.KTSA.SV.W.0131.000000T0000Z-210711T0230Z/
McIntosh OK-Okmulgee OK-
853 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHWESTERN MCINTOSH AND CENTRAL OKMULGEE COUNTIES...
At 853 PM CDT, a severe thunderstorm was located near Preston, moving
southeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations in or near the path include...
Okmulgee... Henryetta...
Morris... Beggs...
Dewar... Schulter...
Grayson... Hoffman...
Preston... Okmulgee State Park...
Hitchita... Pierce...
Eram...
This includes Interstate 40 in Oklahoma between mile markers 235 and
255.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3570 9612 3580 9601 3559 9571 3555 9571
3555 9566 3551 9560 3528 9592 3536 9598
3538 9598 3538 9600 3550 9609 3555 9609
3555 9613
TIME...MOT...LOC 0153Z 324DEG 37KT 3568 9597
HAIL...<.75IN
WIND...60MPH
$$
Lacy062
WWUS54 KTSA 110155 CCA
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
855 PM CDT Sat Jul 10 2021
OKC037-110203-
/O.COR.KTSA.SV.W.0131.000000T0000Z-210711T0230Z/
Creek OK-
855 PM CDT Sat Jul 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR CREEK COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern, northeastern and east central Oklahoma.
LAT...LON 3570 9612 3580 9601 3559 9571 3555 9571
3555 9566 3551 9560 3528 9592 3536 9598
3538 9598 3538 9600 3550 9609 3555 9609
3555 9613
TIME...MOT...LOC 0153Z 324DEG 37KT 3568 9597
$$
OKC091-111-110230-
/O.COR.KTSA.SV.W.0131.000000T0000Z-210711T0230Z/
McIntosh OK-Okmulgee OK-
855 PM CDT Sat Jul 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHWESTERN MCINTOSH AND CENTRAL OKMULGEE COUNTIES...
At 855 PM CDT, a severe thunderstorm was located near Okmulgee,
moving southeast at 45 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...
Okmulgee... Henryetta...
Morris... Beggs...
Dewar... Schulter...
Grayson... Hoffman...
Preston... Okmulgee State Park...
Hitchita... Pierce...
Eram...
This includes Interstate 40 in Oklahoma between mile markers 235 and
255.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3570 9612 3580 9601 3559 9571 3555 9571
3555 9566 3551 9560 3528 9592 3536 9598
3538 9598 3538 9600 3550 9609 3555 9609
3555 9613
TIME...MOT...LOC 0153Z 324DEG 37KT 3568 9597
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, 7:08 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 52 min |
| Jul 10, 7:25 PM CDT | Special Weather Statement | TSA | Cherokee, Muskogee, Sequoyah | 35 min |
| Jul 10, 7:27 PM CDT | Special Weather Statement | TSA | Tulsa, Wagoner | 33 min |
| Jul 10, 7:35 PM CDT | Areal Flood Advisory | TSA | Cherokee, Creek, Mayes, Osage, Pawnee, Rogers and 2 more | 3 hr |
| Jul 10, 7:49 PM CDT | Special Weather Statement | TSA | Tulsa | 26 min |
| Jul 10, 7:51 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 39 min |
| Jul 10, 7:58 PM CDT | Special Weather Statement | TSA | Adair, Sequoyah | 32 min |
| Jul 10, 8:11 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Muskogee, Rogers, Tulsa, Wagoner | 49 min |
| Jul 10, 8:23 PM CDT | Special Weather Statement | TSA | Sequoyah | 37 min |
| Jul 10, 8:26 PM CDT | Special Weather Statement | TSA | Creek, Okfuskee, Okmulgee | 49 min |
| Jul 10, 8:28 PM CDT | Special Weather Statement | TSA | Sequoyah | 32 min |
| Jul 10, 8:40 PM CDT | Areal Flood Advisory | TSA | Adair, Cherokee, Creek, Muskogee, Okmulgee, Sequoyah and 2 more | 3 hr |
| Jul 10, 8:43 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee, Sequoyah, Wagoner | 29 min |
| Jul 10, 8:46 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 44 min |
| Jul 10, 9:17 PM CDT | Special Weather Statement | TSA | Okfuskee | 43 min |
| Jul 10, 9:20 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 40 min |
| Jul 10, 9:23 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okmulgee | 34 min |
| Jul 10, 9:56 PM CDT | Special Weather Statement | TSA | Latimer, Pittsburg | 49 min |
| Jul 10, 10:21 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg | 39 min |
| Jul 10, 10:22 PM CDT | Areal Flood Advisory | TSA | Creek, Haskell, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more | 3 hr |
| Jul 10, 10:41 PM CDT | Special Weather Statement | TSA | Pittsburg | 34 min |
| Jul 10, 10:50 PM CDT | Special Weather Statement | TSA | Latimer, LeFlore | 25 min |
| Jul 10, 11:07 PM CDT | Special Weather Statement | TSA | LeFlore | 38 min |
| Jul 10, 11:10 PM CDT | Special Weather Statement | TSA | Pittsburg | 35 min |
| Jul 11, 12:05 AM CDT | Special Weather Statement | TSA | Pushmataha | 55 min |
| Jul 11, 12:43 AM CDT | Special Weather Statement | TSA | Choctaw, Pushmataha | 47 min |
| Jul 11, 1:28 AM CDT | Special Weather Statement | TSA | Choctaw | 62 min |
| Jul 11, 1:56 AM CDT | Areal Flood Advisory | TSA | Choctaw | 3 hr |
| Jul 11, 2:27 AM CDT | Special Weather Statement | TSA | Choctaw | 63 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.