Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 164, NWS Tulsa, OK

October 10, 20216 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 10, 2021, 10:19 PM CDT for 6 counties in Oklahoma. It was in force for 56 min. 2 reports 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: Oct 10, 2021, 10:19 PM CDT (03:19 UTC)
Expired: Oct 10, 2021, 11:15 PM CDT
In force: 56 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.88 in
Wind: 70.0 mph

Counties McIntosh County, OK, Muskogee County, OK, Okmulgee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 48 km from the middle of the area, began a volume at 03:24 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
Oct 10, 10:48 PM CDT	TORNADO	Coweta, OK	POWER POLES DOWN, BUILDINGS DAMAGED.
Oct 10, 11:01 PM CDT	TSTM WND DMG	3 Wnw Wagoner, OK	LARGE BRANCHES DOWN.

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
Oct 10, 9:24 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.3 hours before the alert went out and 169 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1436 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1199 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 8.8

Open this sounding in Storm Lab

The text

As transmitted.

118 
WUUS54 KTSA 110319
SVRTSA
OKC091-101-111-131-143-145-110415-
/O.NEW.KTSA.SV.W.0164.211011T0319Z-211011T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1019 PM CDT Sun Oct 10 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  South central Rogers County in northeastern Oklahoma...
  Northwestern McIntosh County in southeastern Oklahoma...
  Wagoner County in northeastern Oklahoma...
  Northwestern Muskogee County in east central Oklahoma...
  Eastern Okmulgee County in northeastern Oklahoma...
  Southeastern Tulsa County in northeastern Oklahoma...

* Until 1115 PM CDT.

* At 1018 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles northeast of Jenks to 4 miles north of
  Morris to 4 miles north of Dustin, moving northeast at 40 mph.

  HAZARD...70 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations in or near the path include...
  Tulsa...                          Broken Arrow...
  Muskogee...                       Okmulgee...
  Wagoner...                        Bixby...
  Jenks...                          Coweta...
  Checotah...                       Haskell...
  Inola...                          Morris...
  Dewar...                          Porter...
  Oktaha...                         Taft...
  Boynton...                        Grayson...
  Council Hill...                   Rentiesville...

This includes Interstate 40 in Oklahoma between mile markers 240 and
265.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 200 AM CDT for southeastern,
northeastern and east central Oklahoma.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3583 9538 3545 9550 3526 9598 3562 9593
      3604 9593 3621 9547
TIME...MOT...LOC 0318Z 245DEG 31KT 3605 9590 3567 9585 3534 9602 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 10, 8:04 PM CDT	Flash Flood Warning	TSA	Osage, Pawnee	4 hr
Oct 10, 8:05 PM CDT	Special Weather Statement	TSA	Pawnee	55 min
Oct 10, 8:21 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	54 min
Oct 10, 8:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Creek, Okfuskee	64 min
Oct 10, 9:17 PM CDT	Special Weather Statement	TSA	Osage	58 min
Oct 10, 9:28 PM CDT	Tornado Warning	TSA	Creek, Okfuskee	24 min
Oct 10, 9:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Creek, McIntosh, Okfuskee, Okmulgee, Tulsa	54 min
Oct 10, 9:55 PM CDT	Special Weather Statement	TSA	Osage	50 min
Oct 10, 10:01 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	McIntosh, Pittsburg	59 min
Oct 10, 10:05 PM CDT	Tornado Warning	TSA	Okmulgee, Tulsa, Wagoner	25 min
Oct 10, 10:09 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Tulsa, Washington	36 min
Oct 10, 10:21 PM CDT	Tornado Warning	TSA	McIntosh, Pittsburg	39 min
Oct 10, 10:29 PM CDT	Tornado Warning	TSA	Tulsa, Wagoner	46 min
Oct 10, 10:41 PM CDT	Areal Flood Advisory	TSA	Cherokee, Haskell, McIntosh, Muskogee, Okfuskee, Okmulgee and 3 more	3 hr
Oct 10, 10:41 PM CDT	Tornado Warning	TSA	McIntosh, Muskogee, Okmulgee	34 min
Oct 10, 10:43 PM CDT	Tornado Warning	TSA	Wagoner	32 min
Oct 10, 10:53 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pittsburg, Pushmataha	67 min
Oct 10, 10:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Cherokee, Delaware, McIntosh, Mayes, Muskogee, Rogers and 1 more	64 min
Oct 10, 10:58 PM CDT	Tornado Warning	TSA	Haskell, McIntosh, Muskogee, Pittsburg	47 min
Oct 10, 11:05 PM CDT	Tornado Warning	TSA	Mayes, Rogers, Wagoner	40 min
Oct 10, 11:33 PM CDT	Tornado Warning	TSA	Cherokee, Muskogee, Sequoyah	42 min
Oct 10, 11:43 PM CDT	Areal Flood Advisory	TSA	Latimer, LeFlore, Pushmataha	70 min
Oct 10, 11:48 PM CDT	Areal Flood Advisory	TSA	Adair, Cherokee, Delaware, Mayes	110 min
Oct 10, 11:55 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Mayes, Ottawa	50 min
Oct 11, 12:07 AM CDT	Tornado Warning	TSA	Adair, Cherokee	38 min
Oct 11, 12:09 AM CDT	Tornado Warning	TSA	Delaware	39 min
Oct 11, 1:18 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	42 min
Oct 11, 1:26 AM CDT	Special Weather Statement	TSA	Creek, Tulsa	49 min
Oct 11, 1:34 AM CDT	Areal Flood Advisory	TSA	Creek, Osage, Pawnee	116 min
Oct 11, 1:37 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	33 min
Oct 11, 2:02 AM CDT	Special Weather Statement	TSA	Rogers, Tulsa, Wagoner, Washington	43 min
Oct 11, 2:09 AM CDT	Special Weather Statement	TSA	Washington	51 min
Oct 11, 2:34 AM CDT	Special Weather Statement	TSA	Craig, Delaware, Mayes, Nowata, Ottawa	56 min
Oct 11, 3:27 AM CDT	Special Weather Statement	TSA	Ottawa	48 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2021 Every 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.