Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Norman, OK

November 10, 2021Atoka County, Oklahoma

NWS Norman, OK issued this special weather statement at Nov 10, 2021, 9:13 PM CST for Atoka County, Oklahoma. It was in force for 32 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: Nov 10, 2021, 9:13 PM CST (03:13 UTC)
Expired: Nov 10, 2021, 9:45 PM CST
In force: 32 min
Issued by: NWS Norman, OK
Hail: 0.50 in
Wind: 40

County Atoka County, OK

The radar

The Norman radar (KTLX), 156 km from the middle of the area, began a volume at 03:13 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.2 hours before the alert went out and 158 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: 964 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

As transmitted.

138 
WWUS84 KOUN 110313
SPSOUN

Special Weather Statement
National Weather Service Norman OK
913 PM CST Wed Nov 10 2021
 
OKZ048-110345-
Atoka OK-
913 PM CST Wed Nov 10 2021

...Strong thunderstorms will impact portions of central Atoka County
through 945 PM CST...

At 913 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from 4 miles northwest of Daisy to 3 miles northeast
of Stringtown to near Tushka. Movement was east at 30 mph.

HAZARD...Wind gusts of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Atoka, Stringtown, Tushka, Lane, Daisy, Atoka Reservoir, McGee Creek
Lake, Redden and Chockie.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3451 9567 3451 9578 3428 9578 3431 9619
      3442 9617 3442 9614 3445 9615 3461 9600
      3461 9588 3460 9588 3459 9587 3459 9567
TIME...MOT...LOC 0313Z 273DEG 25KT 3458 9581 3452 9602 3434 9616 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

$$

Mahale

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 10, 6:15 PM CST	Special Weather Statement	OUN	Garvin	30 min
Nov 10, 6:18 PM CST	Severe Thunderstorm Warning Considerable damage threat	OUN	Payne	27 min
Nov 10, 6:20 PM CST	Severe Thunderstorm Warning	OUN	Carter, Garvin, Stephens	40 min
Nov 10, 6:24 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Oklahoma, Payne, Pottawatomie	51 min
Nov 10, 6:36 PM CST	Special Weather Statement	OUN	Cleveland, McClain	24 min
Nov 10, 6:40 PM CST	Tornado Warning	OUN	Carter, Garvin, Stephens	27 min
Nov 10, 6:42 PM CST	Severe Thunderstorm Warning	OUN	Jefferson	21 min
Nov 10, 7:10 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie, Seminole	50 min
Nov 10, 7:11 PM CST	Special Weather Statement	OUN	Carter	34 min
Nov 10, 7:13 PM CST	Special Weather Statement	OUN	Garvin	32 min
Nov 10, 7:17 PM CST	Special Weather Statement	OUN	Bryan	13 min
Nov 10, 7:18 PM CST	Special Weather Statement	OUN	Pontotoc	27 min
Nov 10, 7:31 PM CST	Special Weather Statement	OUN	Bryan	29 min
Nov 10, 7:33 PM CST	Special Weather Statement	OUN	Bryan	27 min
Nov 10, 7:41 PM CST	Severe Thunderstorm Warning	OUN	Bryan	19 min
Nov 10, 7:46 PM CST	Tornado Warning	OUN	Carter, Murray	27 min
Nov 10, 8:16 PM CST	Special Weather Statement	OUN	Carter	29 min
Nov 10, 8:28 PM CST	Special Weather Statement	OUN	Coal	32 min
Nov 10, 8:50 PM CST	Special Weather Statement	OUN	Atoka	25 min
Nov 10, 8:56 PM CST	Special Weather Statement	OUN	Atoka	34 min
Nov 10, 6:17 PM CST	Tornado Warning	OUN	Clay	28 min
Nov 10, 6:30 PM CST	Severe Thunderstorm Warning Considerable damage threat	OUN	Archer, Clay, Wichita	45 min
Nov 10, 7:00 PM CST	Severe Thunderstorm Warning	OUN	Archer, Clay	45 min

Nearby

Special Weather Statements in Oklahoma, 2021 Every special weather statement 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.