Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 372, NWS Tulsa, OK

October 21, 2019Choctaw County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 21, 2019, 12:49 AM CDT for Choctaw County, Oklahoma. It was in force for 41 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 21, 2019, 12:49 AM CDT (05:49 UTC)
Expired: Oct 21, 2019, 1:30 AM CDT
In force: 41 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Choctaw County, OK

The radar

The Western Arkansas radar (KSRX), 177 km from the middle of the area, began a volume at 05:53 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
Oct 20, 8:27 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 5.8 hours before the alert went out and 212 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: 1660 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 216 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 14.5

Open this sounding in Storm Lab

The text

As transmitted.

537 
WUUS54 KTSA 210549
SVRTSA
OKC023-210630-
/O.NEW.KTSA.SV.W.0372.191021T0549Z-191021T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1249 AM CDT Mon Oct 21 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Eastern Choctaw County in southeastern Oklahoma...

* Until 130 AM CDT.

* At 1249 AM CDT, a severe thunderstorm was located over Messer,
  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...
  Hugo...                           Fort Towson...
  Sawyer...                         Goodland...
  Messer...                         Hugo Lake State Park...
  Raymond Gary State Park...        Grant...
  Fallon...                         Swink...
  Apple...                          Speer...
  Huskey...                         Gay...

A Tornado Watch remains in effect until 300 AM CDT for southeastern
Oklahoma.

LAT...LON 3416 9559 3416 9516 3394 9516 3395 9519
      3396 9523 3393 9525 3391 9555 3393 9556
      3393 9559 3394 9560 3392 9561 3391 9564
      3390 9576
TIME...MOT...LOC 0549Z 256DEG 61KT 3407 9547 

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

Lacy

1 follow-up statement

133 
WWUS54 KTSA 210613
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
113 AM CDT Mon Oct 21 2019

OKC023-210630-
/O.CON.KTSA.SV.W.0372.000000T0000Z-191021T0630Z/
Choctaw OK-
113 AM CDT Mon Oct 21 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR EASTERN CHOCTAW COUNTY...

At 113 AM CDT, a severe thunderstorm was located near Hugo Lake State
Park, moving east 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...
Hugo...                           Fort Towson...
Sawyer...                         Goodland...
Messer...                         Hugo Lake State Park...
Raymond Gary State Park...        Grant...
Fallon...                         Swink...
Apple...                          Speer...
Huskey...                         Gay...

A Tornado Watch remains in effect until 300 AM CDT for southeastern
Oklahoma.

LAT...LON 3416 9559 3416 9516 3394 9516 3395 9519
      3396 9523 3393 9525 3391 9555 3393 9556
      3393 9559 3394 9560 3392 9561 3391 9564
      3390 9576
TIME...MOT...LOC 0613Z 256DEG 34KT 3404 9541 

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

Lacy

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 20, 8:16 PM CDT	Special Weather Statement	TSA	Creek	29 min
Oct 20, 8:18 PM CDT	Special Weather Statement	TSA	Creek	27 min
Oct 20, 8:20 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	18 min
Oct 20, 8:36 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Rogers, Tulsa, Wagoner	15 min
Oct 20, 8:43 PM CDT	Special Weather Statement	TSA	Pawnee	32 min
Oct 20, 8:50 PM CDT	Special Weather Statement	TSA	Tulsa	25 min
Oct 20, 8:53 PM CDT	Special Weather Statement	TSA	Tulsa	37 min
Oct 20, 8:54 PM CDT	Special Weather Statement	TSA	Okfuskee	36 min
Oct 20, 9:00 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	45 min
Oct 20, 9:10 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	35 min
Oct 20, 9:12 PM CDT	Special Weather Statement	TSA	Osage, Pawnee	33 min
Oct 20, 9:14 PM CDT	Special Weather Statement	TSA	Wagoner	31 min
Oct 20, 9:15 PM CDT	Special Weather Statement	TSA	Osage	45 min
Oct 20, 9:22 PM CDT	Special Weather Statement	TSA	Nowata, Washington	38 min
Oct 20, 9:25 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	35 min
Oct 20, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	47 min
Oct 20, 9:33 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	42 min
Oct 20, 9:37 PM CDT	Special Weather Statement	TSA	Tulsa	23 min
Oct 20, 9:41 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Rogers, Tulsa, Washington	34 min
Oct 20, 9:45 PM CDT	Special Weather Statement	TSA	Pawnee	30 min
Oct 20, 9:46 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	44 min
Oct 20, 9:48 PM CDT	Areal Flood Advisory	TSA	Creek, Nowata, Osage, Pawnee, Rogers, Tulsa and 1 more	3 hr
Oct 20, 9:59 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Mayes, Ottawa	27 min
Oct 20, 10:13 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Rogers, Tulsa, Washington	47 min
Oct 20, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	29 min
Oct 20, 10:16 PM CDT	Special Weather Statement	TSA	Creek, Tulsa	29 min
Oct 20, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa, Washington	24 min
Oct 20, 10:23 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	37 min
Oct 20, 10:26 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee, Pittsburg	49 min
Oct 20, 10:34 PM CDT	Special Weather Statement	TSA	Ottawa	26 min
Oct 20, 10:38 PM CDT	Areal Flood Advisory	TSA	Cherokee, Creek, Mayes, Muskogee, Okfuskee, Okmulgee and 3 more	3 hr
Oct 20, 10:48 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Okmulgee, Rogers, Tulsa, Wagoner	16 min
Oct 20, 10:58 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	47 min
Oct 20, 11:00 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Muskogee, Okfuskee, Okmulgee, Pittsburg	45 min
Oct 20, 11:14 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Wagoner	31 min
Oct 20, 11:29 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, McIntosh, Muskogee, Sequoyah and 1 more	46 min
Oct 20, 11:34 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Mayes	41 min
Oct 20, 11:41 PM CDT	Tornado Warning	TSA	Adair, Cherokee, Delaware	16 min
Oct 20, 11:59 PM CDT	Tornado Warning	TSA	Adair	31 min
Oct 21, 12:02 AM CDT	Tornado Warning	TSA	Adair, Delaware	28 min
Oct 21, 12:04 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Haskell, Sequoyah	41 min
Oct 21, 12:07 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	53 min
Oct 21, 12:11 AM CDT	Special Weather Statement	TSA	Haskell	34 min
Oct 21, 12:30 AM CDT	Special Weather Statement	TSA	Choctaw	30 min
Oct 21, 12:34 AM CDT	Special Weather Statement	TSA	Haskell, Latimer	26 min
Oct 21, 12:41 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	49 min
Oct 21, 12:42 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	48 min
Oct 21, 1:27 AM CDT	Special Weather Statement	TSA	McCurtain	33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019 Every severe thunderstorm warning in 2019

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.