Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Tulsa, OK

May 3, 2021Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 3, 2021, 8:07 PM CDT for Pittsburg County, Oklahoma. It was in force for 34 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: May 3, 2021, 8:07 PM CDT (01:07 UTC)
Expired: May 3, 2021, 8:41 PM CDT
In force: 34 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Pittsburg County, OK

The radar

The Norman radar (KTLX), 145 km from the middle of the area, began a volume at 01:05 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
May 3, 3:48 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.1 hours before the alert went out and 246 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: 3299 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1213 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 13.9

Open this sounding in Storm Lab

The text

As transmitted.

519 
WUUS54 KTSA 040107
SVRTSA
OKC121-040200-
/O.NEW.KTSA.SV.W.0065.210504T0107Z-210504T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
807 PM CDT Mon May 3 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southwestern Pittsburg County in southeastern Oklahoma...

* Until 900 PM CDT.

* At 807 PM CDT, severe thunderstorms were located along a line
  extending from 8 miles southwest of Ashland to 6 miles west of
  Wardville to 3 miles east of Coalgate, moving northeast at 40 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...
  Mcalester...                      Kiowa...
  Savanna...                        Ashland...
  Mcalester Regional Airport...     Haywood...
  Blanco...                         Pittsburg...

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Oklahoma.

LAT...LON 3467 9588 3468 9589 3468 9609 3482 9609
      3497 9581 3479 9569 3460 9577 3459 9579
      3459 9588
TIME...MOT...LOC 0107Z 243DEG 33KT 3469 9618 3462 9614 3454 9616 

HAIL...1.00IN
WIND...60MPH
 
$$

Lacy

2 follow-up statements

930 
WWUS54 KTSA 040120
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
820 PM CDT Mon May 3 2021

OKC121-040200-
/O.CON.KTSA.SV.W.0065.000000T0000Z-210504T0200Z/
Pittsburg OK-
820 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHWESTERN PITTSBURG COUNTY...

At 820 PM CDT, severe thunderstorms were located along a line
extending from Ashland to 2 miles south of Wardville, moving
northeast at 40 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...
Mcalester...                      Kiowa...
Savanna...                        Ashland...
Mcalester Regional Airport...     Haywood...
Blanco...                         Pittsburg...

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Oklahoma.

LAT...LON 3467 9588 3468 9589 3468 9609 3482 9609
      3497 9581 3479 9569 3460 9577 3459 9579
      3459 9588
TIME...MOT...LOC 0120Z 237DEG 36KT 3477 9606 3470 9602 3462 9604 

HAIL...1.00IN
WIND...60MPH
 
$$

Lacy

719 
WWUS54 KTSA 040141
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
841 PM CDT Mon May 3 2021

OKC121-040150-
/O.CAN.KTSA.SV.W.0065.000000T0000Z-210504T0200Z/
Pittsburg OK-
841 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PITTSBURG COUNTY
IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Oklahoma.

LAT...LON 3467 9588 3468 9589 3468 9609 3482 9609
      3497 9581 3479 9569 3460 9577 3459 9579
      3459 9588
TIME...MOT...LOC 0138Z 243DEG 33KT 3485 9588 3478 9584 3470 9586 

$$

Lacy

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 7:04 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	41 min
May 3, 7:15 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	45 min
May 3, 7:19 PM CDT	Special Weather Statement	TSA	McIntosh	26 min
May 3, 7:27 PM CDT	Tornado Warning	TSA	Pittsburg	33 min
May 3, 7:37 PM CDT	Special Weather Statement	TSA	Muskogee	23 min
May 3, 7:39 PM CDT	Flash Flood Warning	TSA	Pittsburg	3 hr
May 3, 7:42 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	48 min
May 3, 7:45 PM CDT	Tornado Warning	TSA	Pittsburg	27 min
May 3, 7:49 PM CDT	River Flood Advisory	TSA	Cherokee	12 hr
May 3, 8:01 PM CDT	Special Weather Statement	TSA	Muskogee	29 min
May 3, 8:05 PM CDT	Tornado Warning	TSA	Latimer	25 min
May 3, 8:12 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	36 min
May 3, 8:18 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg	42 min
May 3, 8:28 PM CDT	Special Weather Statement	TSA	Sequoyah	32 min
May 3, 8:44 PM CDT	Special Weather Statement	TSA	Okfuskee	31 min
May 3, 8:47 PM CDT	Special Weather Statement	TSA	Pushmataha	28 min
May 3, 8:52 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Sequoyah	53 min
May 3, 8:53 PM CDT	Special Weather Statement	TSA	Adair, Cherokee	37 min
May 3, 8:55 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	32 min
May 3, 9:02 PM CDT	Special Weather Statement	TSA	Creek	28 min
May 3, 9:02 PM CDT	Tornado Warning	TSA	Pushmataha	28 min
May 3, 9:04 PM CDT	Special Weather Statement	TSA	Choctaw	26 min
May 3, 9:18 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	57 min
May 3, 9:33 PM CDT	Flash Flood Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg	3 hr
May 3, 9:38 PM CDT	Tornado Warning	TSA	Sequoyah	37 min
May 3, 9:42 PM CDT	Areal Flood Advisory	TSA	Creek, Tulsa	3 hr
May 3, 9:57 PM CDT	Special Weather Statement	TSA	LeFlore	33 min
May 3, 9:59 PM CDT	Special Weather Statement	TSA	LeFlore	31 min
May 3, 10:12 PM CDT	Flash Flood Warning	TSA	LeFlore, Sequoyah	3 hr
May 3, 10:15 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	45 min
May 3, 10:19 PM CDT	Flash Flood Warning	TSA	Adair	3 hr
May 3, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	39 min
May 3, 11:26 PM CDT	Severe Thunderstorm Warning	TSA	Pawnee	49 min
May 4, 1:41 AM CDT	Special Weather Statement	TSA	Okmulgee	34 min
May 4, 2:27 AM CDT	Special Weather Statement	TSA	Pittsburg	33 min
May 4, 2:28 AM CDT	Special Weather Statement	TSA	McIntosh	32 min
May 4, 2:50 AM CDT	Special Weather Statement	TSA	McIntosh, Pittsburg	25 min
May 4, 8:08 AM CDT	River Flood Warning	TSA	Cherokee	29 hr
May 4, 8:15 AM CDT	River Flood Warning	TSA	Adair, Delaware	13 hr
May 4, 8:15 AM CDT	River Flood Advisory	TSA	Adair, Cherokee, Delaware	24 hr

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.