Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 53, NWS Tulsa, OK

April 30, 20195 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 30, 2019, 11:18 PM CDT for 5 counties in Oklahoma. It was in force for 42 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: Apr 30, 2019, 11:18 PM CDT (04:18 UTC)
Expired: May 1, 2019, 12:00 AM CDT
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 70.0 mph

Counties Haskell County, OK, Latimer County, OK, LeFlore County, OK, Muskogee County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 76 km from the middle of the area, began a volume at 04:20 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
Apr 30, 12:02 PM CDT	Tornado Watch	SPC	13 hr
Apr 30, 10:58 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.3 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: 65 J/kg
Mixed-layer CIN: -282 J/kg
Mixed-layer LCL: 862 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

124 
WUUS54 KTSA 010418
SVRTSA
OKC061-077-079-101-135-010500-
/O.NEW.KTSA.SV.W.0053.190501T0418Z-190501T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1118 PM CDT Tue Apr 30 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Haskell County in southeastern Oklahoma...
  Southwestern Sequoyah County in east central Oklahoma...
  Northeastern Latimer County in southeastern Oklahoma...
  Northwestern Le Flore County in southeastern Oklahoma...
  Southeastern Muskogee County in east central Oklahoma...

* Until midnight CDT.

* At 1117 PM CDT, severe thunderstorms were located along a line
  extending from Enterprise to 2 miles northwest of Kinta to 6 miles
  east of Robbers Cave State Park, moving northeast at 40 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations in or near the path include...
  Stigler...                        Vian...
  Keota...                          Mccurtain...
  Bokoshe...                        Whitefield...
  Kinta...                          Tamaha...
  Briartown...                      Mc Curtain...
  Enterprise...                     Lequire...
  Kanima...                         Milton...
  Lewisville...                     

This includes Interstate 40 in Oklahoma between mile markers 296 and
302.
 
A Tornado Watch remains in effect until 100 AM CDT for southeastern
and east central Oklahoma. A Tornado Watch also remains in effect
until 500 AM CDT for southeastern and east central Oklahoma.

LAT...LON 3510 9533 3512 9535 3516 9535 3516 9539
      3521 9544 3552 9493 3537 9477 3515 9471
      3492 9525
TIME...MOT...LOC 0417Z 238DEG 34KT 3522 9537 3514 9526 3502 9523 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

Lacy

1 follow-up statement

719 
WWUS54 KTSA 010439
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1139 PM CDT Tue Apr 30 2019

OKC077-101-010448-
/O.CAN.KTSA.SV.W.0053.000000T0000Z-190501T0500Z/
Latimer OK-Muskogee OK-
1139 PM CDT Tue Apr 30 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LATIMER AND
SOUTHEASTERN MUSKOGEE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore the warning has been cancelled.

A Tornado Watch remains in effect until 100 AM CDT for southeastern
and east central Oklahoma. A Tornado Watch also remains in effect
until 500 AM CDT for southeastern and east central Oklahoma.

LAT...LON 3515 9471 3507 9507 3521 9517 3525 9518
      3527 9521 3529 9521 3530 9520 3530 9517
      3534 9518 3535 9516 3535 9515 3536 9515
      3538 9513 3537 9512 3540 9510 3552 9493
      3537 9477
TIME...MOT...LOC 0438Z 243DEG 39KT 3534 9508 3524 9498 3511 9499 

$$

OKC061-079-135-010500-
/O.CON.KTSA.SV.W.0053.000000T0000Z-190501T0500Z/
Haskell OK-Sequoyah OK-Le Flore OK-
1139 PM CDT Tue Apr 30 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR EASTERN HASKELL...SOUTHWESTERN SEQUOYAH AND NORTHWESTERN LE FLORE
COUNTIES...

At 1138 PM CDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Stigler to 3 miles southwest of
Keota to 2 miles south of Mccurtain, moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations in or near the path include...
Stigler...                        Vian...
Keota...                          Mccurtain...
Bokoshe...                        Tamaha...
Mc Curtain...                     Kanima...
Milton...                         

This includes Interstate 40 in Oklahoma between mile markers 296 and
302.
 
A Tornado Watch remains in effect until 100 AM CDT for southeastern
and east central Oklahoma. A Tornado Watch also remains in effect
until 500 AM CDT for southeastern and east central Oklahoma.

LAT...LON 3515 9471 3507 9507 3521 9517 3525 9518
      3527 9521 3529 9521 3530 9520 3530 9517
      3534 9518 3535 9516 3535 9515 3536 9515
      3538 9513 3537 9512 3540 9510 3552 9493
      3537 9477
TIME...MOT...LOC 0438Z 243DEG 39KT 3534 9508 3524 9498 3511 9499 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Lacy

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 7:07 PM CDT	Areal Flood Advisory	TSA	Creek, Tulsa	3 hr
Apr 30, 7:45 PM CDT	Flash Flood Warning	TSA	Craig, Creek, Mayes, Okmulgee, Osage, Rogers and 3 more	6 hr
Apr 30, 8:48 PM CDT	Flash Flood Warning	TSA	Cherokee, Delaware, Mayes, Ottawa	6 hr
Apr 30, 8:57 PM CDT	Special Weather Statement	TSA	McIntosh, Muskogee	48 min
Apr 30, 9:01 PM CDT	Special Weather Statement	TSA	Cherokee	29 min
Apr 30, 9:14 PM CDT	Special Weather Statement	TSA	Delaware	31 min
Apr 30, 9:17 PM CDT	Special Weather Statement	TSA	Adair, Cherokee, Muskogee	28 min
Apr 30, 9:43 PM CDT	Areal Flood Warning	TSA	Craig, Nowata, Osage, Rogers, Washington	21 hr
Apr 30, 9:49 PM CDT	Tornado Warning	TSA	Pittsburg	41 min
Apr 30, 9:54 PM CDT	Special Weather Statement	TSA	Adair	51 min
Apr 30, 10:22 PM CDT	Tornado Warning	TSA	Pittsburg	23 min
Apr 30, 10:36 PM CDT	Tornado Warning	TSA	Pittsburg	24 min
Apr 30, 10:42 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	48 min
Apr 30, 10:47 PM CDT	Tornado Warning Tornado observed	TSA	Haskell, Latimer, Pittsburg	43 min
Apr 30, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pushmataha	39 min
Apr 30, 11:44 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	46 min
Apr 30, 11:47 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	43 min
Apr 30, 11:53 PM CDT	Tornado Warning	TSA	LeFlore	24 min
May 1, 12:14 AM CDT	Areal Flood Warning	TSA	Craig, Delaware, Mayes, Ottawa	18 hr
May 1, 12:41 AM CDT	River Flood Warning	TSA	Ottawa	61 hr
May 1, 1:15 AM CDT	Areal Flood Advisory	TSA	Pittsburg	3 hr
May 1, 1:16 AM CDT	Areal Flood Warning	TSA	Delaware, Mayes, Ottawa	18 hr
May 1, 1:33 AM CDT	Special Weather Statement	TSA	Hughes	42 min
May 1, 1:37 AM CDT	Areal Flood Advisory	TSA	Choctaw, Latimer, LeFlore, Pittsburg, Pushmataha	3 hr
May 1, 2:36 AM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee	24 min
May 1, 2:49 AM CDT	Special Weather Statement	TSA	Okfuskee	41 min
May 1, 2:54 AM CDT	River Flood Warning	TSA	Creek	17 hr
May 1, 3:05 AM CDT	Areal Flood Advisory	TSA	Haskell, McIntosh, Okfuskee, Okmulgee, Pittsburg	3 hr
May 1, 3:17 AM CDT	Special Weather Statement	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	43 min
May 1, 3:47 AM CDT	Flash Flood Warning	TSA	McIntosh, Okfuskee, Okmulgee	6 hr
May 1, 3:54 AM CDT	Flash Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg	6 hr
May 1, 4:04 AM CDT	Special Weather Statement	TSA	Pittsburg	26 min
May 1, 4:20 AM CDT	Special Weather Statement	TSA	Haskell	25 min
May 1, 4:33 AM CDT	Special Weather Statement	TSA	Latimer, Pushmataha	42 min
May 1, 4:38 AM CDT	Special Weather Statement	TSA	LeFlore	52 min
May 1, 5:15 AM CDT	Flash Flood Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	3 hr
May 1, 7:35 AM CDT	Areal Flood Warning	TSA	Haskell, Latimer, LeFlore, McIntosh, Muskogee, Okfuskee and 3 more	9 hr
May 1, 8:50 AM CDT	River Flood Warning	TSA	Adair, Cherokee, Delaware	30 hr
May 1, 2:51 PM CDT	River Flood Warning	TSA	LeFlore	11 hr
May 1, 3:18 PM CDT	Flash Flood Watch	TSA	Adair, Cherokee, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more	13 hr
May 1, 6:52 PM CDT	Special Weather Statement	TSA	Pittsburg	38 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.