Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 143, NWS Tulsa, OK

July 27, 2021Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 27, 2021, 3:09 PM CDT for Pushmataha County, Oklahoma. It was in force for 26 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 27, 2021, 3:09 PM CDT (20:09 UTC)
Expired: Jul 27, 2021, 3:35 PM CDT
In force: 26 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 132 km from the middle of the area, began a volume at 20:13 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 12:00Z, 8.2 hours before the alert went out and 210 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: 1050 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1417 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

436 
WUUS54 KTSA 272009
SVRTSA
OKC127-272100-
/O.NEW.KTSA.SV.W.0143.210727T2009Z-210727T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
309 PM CDT Tue Jul 27 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Central Pushmataha County in southeastern Oklahoma...

* Until 400 PM CDT.

* At 308 PM CDT, a severe thunderstorm was located 5 miles southwest
  of Nashoba, moving southwest at 10 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations in or near the path include...
  Snow...                           Cloudy...
  Finley...                         

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3453 9530 3440 9515 3418 9528 3438 9557
TIME...MOT...LOC 2008Z 045DEG 9KT 3442 9529 

HAIL...0.88IN
WIND...60MPH
 
$$

1 follow-up statement

473 
WWUS54 KTSA 272035
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
335 PM CDT Tue Jul 27 2021

OKC127-272045-
/O.CAN.KTSA.SV.W.0143.000000T0000Z-210727T2100Z/
Pushmataha OK-
335 PM CDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PUSHMATAHA COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3453 9530 3440 9515 3418 9528 3438 9557
TIME...MOT...LOC 2033Z 045DEG 9KT 3437 9535 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 7:03 PM CDT	Special Weather Statement	TSA	Okmulgee	27 min
Jul 26, 7:07 PM CDT	Special Weather Statement	TSA	Mayes	38 min
Jul 26, 7:26 PM CDT	Special Weather Statement	TSA	Okmulgee	34 min
Jul 27, 3:49 AM CDT	Special Weather Statement	TSA	McIntosh	41 min
Jul 27, 4:28 AM CDT	Special Weather Statement	TSA	Haskell	47 min
Jul 27, 5:58 AM CDT	Special Weather Statement	TSA	Sequoyah	47 min
Jul 27, 10:22 AM CDT	Excessive Heat Warning	TSA	Cherokee, Craig, Creek, McIntosh, Mayes, Muskogee and 8 more	10 hr
Jul 27, 12:59 PM CDT	Special Weather Statement	TSA	Latimer	31 min
Jul 27, 1:24 PM CDT	Special Weather Statement	TSA	Latimer	36 min
Jul 27, 1:31 PM CDT	Special Weather Statement	TSA	Latimer	29 min
Jul 27, 1:54 PM CDT	Special Weather Statement	TSA	Latimer	36 min
Jul 27, 2:03 PM CDT	Special Weather Statement	TSA	Latimer	27 min
Jul 27, 2:04 PM CDT	Special Weather Statement	TSA	Pittsburg	26 min
Jul 27, 2:22 PM CDT	Special Weather Statement	TSA	LeFlore	23 min
Jul 27, 2:36 PM CDT	Heat Advisory	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more	29 hr
Jul 27, 2:46 PM CDT	Special Weather Statement	TSA	Pittsburg	29 min
Jul 27, 2:48 PM CDT	Special Weather Statement	TSA	Pushmataha	27 min
Jul 27, 4:38 PM CDT	Special Weather Statement	TSA	Sequoyah	37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.