Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 355, NWS Tulsa, OK

October 20, 20194 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 20, 2019, 9:46 PM CDT for 4 counties in Oklahoma. It was in force for 44 min. 1 report 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: Oct 20, 2019, 9:46 PM CDT (02:46 UTC)
Expired: Oct 20, 2019, 10:30 PM CDT
In force: 44 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Tornado: Possible
Hail: 1.75 in
Wind: 60.0 mph

Counties Creek County, OK, Okfuskee County, OK, Okmulgee County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 49 km from the middle of the area, began a volume at 02:49 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
Oct 20, 10:03 PM CDT	HAIL 1	Beggs, OK	1 INCH HAIL REPORTED BY TRAINED SPOTTER IN BEGGS.

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
Oct 20, 8:27 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.8 hours before the alert went out and 149 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: 760 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1785 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 302 m²/s²
0-3 km storm-relative helicity: 425 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

543 
WUUS54 KTSA 210246
SVRTSA
OKC037-107-111-143-210330-
/O.NEW.KTSA.SV.W.0355.191021T0246Z-191021T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
946 PM CDT Sun Oct 20 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southeastern Creek County in northeastern Oklahoma...
  Northwestern Okmulgee County in northeastern Oklahoma...
  Southeastern Tulsa County in northeastern Oklahoma...
  North central Okfuskee County in east central Oklahoma...

* Until 1030 PM CDT.

* At 946 PM CDT, a severe thunderstorm was located near Okfuskee,
  moving northeast at 55 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations in or near the path include...
  Tulsa...                          Broken Arrow...
  Bixby...                          Sapulpa...
  Jenks...                          Okfuskee...
  Glenpool...                       Kiefer...
  Beggs...                          Mounds...
  Slick...                          Preston...
  Jenks Riverside Airport...        Liberty...
  Hectorville...                    Leonard...

This includes Interstate 44 between mile markers 210 and 215.
 
A Tornado Watch remains in effect until 300 AM CDT for northeastern
and east central Oklahoma.

LAT...LON 3607 9610 3604 9576 3590 9576 3590 9582
      3586 9582 3586 9577 3584 9577 3549 9624
      3561 9640
TIME...MOT...LOC 0246Z 221DEG 48KT 3562 9626 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

Lacy

2 follow-up statements

519 
WWUS54 KTSA 210257
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
957 PM CDT Sun Oct 20 2019

OKC107-210307-
/O.CAN.KTSA.SV.W.0355.000000T0000Z-191021T0330Z/
Okfuskee OK-
957 PM CDT Sun Oct 20 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL OKFUSKEE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore the warning has been cancelled.

A Tornado Watch remains in effect until 300 AM CDT for northeastern
and east central Oklahoma.

LAT...LON 3577 9624 3607 9610 3604 9576 3590 9576
      3590 9582 3586 9582 3586 9577 3584 9577
      3555 9616 3555 9619 3564 9619 3564 9624
TIME...MOT...LOC 0257Z 221DEG 48KT 3574 9614 

$$

OKC037-111-143-210330-
/O.CON.KTSA.SV.W.0355.000000T0000Z-191021T0330Z/
Creek OK-Okmulgee OK-Tulsa OK-
957 PM CDT Sun Oct 20 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN CREEK...NORTHWESTERN OKMULGEE AND SOUTHEASTERN TULSA
COUNTIES...

At 957 PM CDT, a severe thunderstorm was located 3 miles west of
Beggs, moving northeast at 55 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations in or near the path include...
Tulsa...                          Broken Arrow...
Bixby...                          Sapulpa...
Jenks...                          Glenpool...
Kiefer...                         Beggs...
Mounds...                         Preston...
Jenks Riverside Airport...        Liberty...
Hectorville...                    Leonard...

This includes Interstate 44 between mile markers 210 and 215.
 
A Tornado Watch remains in effect until 300 AM CDT for northeastern
and east central Oklahoma.

LAT...LON 3577 9624 3607 9610 3604 9576 3590 9576
      3590 9582 3586 9582 3586 9577 3584 9577
      3555 9616 3555 9619 3564 9619 3564 9624
TIME...MOT...LOC 0257Z 221DEG 48KT 3574 9614 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

Lacy

288 
WWUS54 KTSA 210306
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1006 PM CDT Sun Oct 20 2019

OKC037-111-143-210330-
/O.CON.KTSA.SV.W.0355.000000T0000Z-191021T0330Z/
Creek OK-Okmulgee OK-Tulsa OK-
1006 PM CDT Sun Oct 20 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR EAST CENTRAL CREEK...NORTHWESTERN OKMULGEE AND SOUTHEASTERN TULSA
COUNTIES...

At 1005 PM CDT, a severe thunderstorm was located 3 miles north of
Beggs, moving northeast at 45 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated. At 1003 PM...quarter size hail was 
         reported in Beggs.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations in or near the path include...
Broken Arrow...                   Bixby...
Jenks...                          Glenpool...
Kiefer...                         Beggs...
Mounds...                         Preston...
Liberty...                        Hectorville...
Leonard...                        

A Tornado Watch remains in effect until 300 AM CDT for northeastern
and east central Oklahoma.

LAT...LON 3585 9619 3596 9603 3604 9576 3590 9576
      3590 9582 3586 9582 3586 9577 3584 9577
      3555 9616 3555 9619
TIME...MOT...LOC 0305Z 224DEG 39KT 3579 9605 

TORNADO...POSSIBLE
HAIL...1.75IN
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, 9:48 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, 12:49 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.