Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Tulsa, OK

May 3, 2021Latimer County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 3, 2021, 7:42 PM CDT for Latimer County, Pittsburg County, Oklahoma. It was in force for 48 min. 4 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: May 3, 2021, 7:42 PM CDT (00:42 UTC)
Expired: May 3, 2021, 8:30 PM CDT
In force: 48 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.5 in
Wind: 70.0 mph

Counties Latimer County, OK, Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 121 km from the middle of the area, began a volume at 00:46 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
May 3, 7:51 PM CDT	TSTM WND GST 80	1 N Savanna, OK	SPOTTER NORTH OF SAVANNA ESTIMATED THUNDERSTORM WINDS OF 80 MPH.
May 3, 7:51 PM CDT	HAIL 1.5	1 N Savanna, OK	STORM CHASER NORTH OF SAVANNA OBSERVED 1.5 INCH HAIL.
May 3, 7:56 PM CDT	TSTM WND GST 71	Mcalester Regional Airp, OK	THUNDERSTORM WINDS OF 71 MPH MEASURED BY ASOS EQUIPMENT AT THE MCALESTER REGIONAL AIRPORT.
May 3, 8:38 PM CDT	HAIL 1	1 N Robbers Cave State, OK	SPOTTER WAS 1 MILE NORTH OF PARK ON HIGHWAY 2.

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
May 3, 3:48 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.7 hours before the alert went out and 274 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.

287 
WUUS54 KTSA 040042
SVRTSA
OKC077-121-040130-
/O.NEW.KTSA.SV.W.0064.210504T0042Z-210504T0130Z/

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

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Western Latimer County in southeastern Oklahoma...
  Central Pittsburg County in southeastern Oklahoma...

* Until 830 PM CDT.

* At 742 PM CDT, severe thunderstorms were located along a line
  extending from 2 miles east of Haywood to 3 miles south of Blanco,
  moving northeast at 40 mph.

  HAZARD...70 mph wind gusts and ping pong ball size hail.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Locations in or near the path include...
  Mcalester...                      Wilburton...
  Hartshorne...                     Krebs...
  Savanna...                        Alderson...
  Higgins...                        Damon...
  Blocker...                        Yanush...
  Robbers Cave State Park...        Mcalester Regional Airport...
  Blanco...                         Haileyville...
  Gowen...                          Dow...
  Bache...                          Featherston...

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

LAT...LON 3496 9596 3517 9546 3516 9541 3473 9518
      3468 9541 3468 9551 3466 9552 3460 9578
TIME...MOT...LOC 0042Z 233DEG 34KT 3488 9590 3471 9577 

HAIL...1.50IN
WIND...70MPH
 
$$

Lacy

1 follow-up statement

798 
WWUS54 KTSA 040059
SVSTSA

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

OKC077-121-040130-
/O.CON.KTSA.SV.W.0064.000000T0000Z-210504T0130Z/
Latimer OK-Pittsburg OK-
759 PM CDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHWESTERN LATIMER AND SOUTHEASTERN PITTSBURG COUNTIES...

At 758 PM CDT, severe thunderstorms were located along a line
extending from 3 miles northeast of Mcalester to 4 miles southwest of
Hartshorne, moving northeast at 55 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated. At 756 PM, a 71 mph wind gust was measured 
         at McAlester airport.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations in or near the path include...
Mcalester...                      Wilburton...
Hartshorne...                     Krebs...
Alderson...                       Higgins...
Blocker...                        Robbers Cave State Park...
Mcalester Regional Airport...     Haileyville...
Gowen...                          Dow...
Bache...                          Featherston...

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

LAT...LON 3497 9584 3517 9546 3516 9541 3488 9528
      3480 9545 3479 9553 3474 9572
TIME...MOT...LOC 0058Z 233DEG 47KT 3497 9575 3480 9562 

HAIL...1.50IN
WIND...70MPH
 
$$

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, 7:45 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, 8:07 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.