Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Tulsa, OK

October 13, 2021Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Oct 13, 2021, 3:39 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 66 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: Oct 13, 2021, 3:39 PM CDT (20:39 UTC)
Expired: Oct 13, 2021, 4:45 PM CDT
In force: 66 min
Issued by: NWS Tulsa, OK
Hail: 0.75 in
Wind: 40

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 183 km from the middle of the area, began a volume at 20:44 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

Fort Worth, TX (KFWD), launched 12:00Z, 8.7 hours before the alert went out and 201 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: 756 J/kg
Mixed-layer CIN: -163 J/kg
Mixed-layer LCL: 834 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 310 m²/s²
0-3 km storm-relative helicity: 377 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted.

993 
WWUS84 KTSA 132039
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
339 PM CDT Wed Oct 13 2021
 
OKZ049-053-132145-
Choctaw OK-Pushmataha OK-
339 PM CDT Wed Oct 13 2021

...A strong thunderstorm will impact portions of western Pushmataha
and western Choctaw Counties through 445 PM CDT...

At 337 PM CDT, Doppler radar indicated a strong thunderstorm 5 miles 
southwest of Bennington, moving northeast at 45 mph. Another strong 
thunderstorm was just west of Antlers, also moving northeast at 45 
mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

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

Locations in or near the path include...
Antlers...                        Clayton...
Boswell...                        Rattan...
Soper...                          Kent...
Snow...                           Stanley...
Moyers...                         Kosoma...
Kellond...                        Dunbar...
Messer...                         Eubanks...
Darwin...                         Speer...
Dela...                           Unger...
Finley...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

This storm may intensify, so continue to monitor for additional 
information and possible warnings from the National Weather Service.

&&

LAT...LON 3388 9584 3391 9588 3392 9591 3395 9594
      3412 9594 3414 9596 3415 9598 3416 9578
      3450 9578 3451 9567 3459 9567 3460 9534
      3414 9541 3388 9571 3390 9575 3387 9577
TIME...MOT...LOC 2037Z 231DEG 37KT 3393 9608 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

$$

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 4:48 AM CDT	Special Weather Statement	TSA	Osage	42 min
Oct 13, 5:27 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	48 min
Oct 13, 6:03 AM CDT	Special Weather Statement	TSA	Creek, Osage, Washington	42 min
Oct 13, 6:39 AM CDT	Special Weather Statement	TSA	Creek, Nowata, Tulsa, Washington	66 min
Oct 13, 6:48 AM CDT	Special Weather Statement	TSA	Okfuskee	57 min
Oct 13, 7:29 AM CDT	Special Weather Statement	TSA	Craig	46 min
Oct 13, 7:34 AM CDT	Special Weather Statement	TSA	Okmulgee, Rogers, Tulsa	41 min
Oct 13, 8:08 AM CDT	Special Weather Statement	TSA	Mayes, Rogers	52 min
Oct 13, 8:15 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	45 min
Oct 13, 8:18 AM CDT	Special Weather Statement	TSA	Craig, Ottawa	42 min
Oct 13, 8:42 AM CDT	Special Weather Statement	TSA	Muskogee, Wagoner	48 min
Oct 13, 8:48 AM CDT	Special Weather Statement	TSA	Mayes	42 min
Oct 13, 8:52 AM CDT	Special Weather Statement	TSA	McIntosh	23 min
Oct 13, 9:10 AM CDT	Special Weather Statement	TSA	Haskell	50 min
Oct 13, 9:17 AM CDT	Special Weather Statement	TSA	Cherokee	28 min
Oct 13, 9:21 AM CDT	Special Weather Statement	TSA	Cherokee, Delaware	24 min
Oct 13, 9:39 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	13 min
Oct 13, 9:46 AM CDT	Special Weather Statement	TSA	Adair	44 min
Oct 13, 9:49 AM CDT	Special Weather Statement	TSA	Haskell, Sequoyah	41 min
Oct 13, 10:22 AM CDT	Special Weather Statement	TSA	Sequoyah	38 min
Oct 13, 4:19 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore, Pushmataha	3 hr
Oct 13, 4:22 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	32 min
Oct 13, 4:51 PM CDT	Special Weather Statement	TSA	Latimer, LeFlore	39 min
Oct 13, 4:57 PM CDT	Special Weather Statement	TSA	Pushmataha	63 min
Oct 13, 5:45 PM CDT	Areal Flood Advisory	TSA	Haskell, LeFlore, Sequoyah	3 hr
Oct 13, 5:24 PM CDT	Special Weather Statement	TSA	Sebastian	51 min
Oct 13, 6:01 PM CDT	Tornado Warning	TSA	Franklin, Sebastian	44 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.