Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Tulsa, OK

March 17, 2021Rogers County, Tulsa County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 17, 2021, 1:46 PM CDT for Rogers County, Tulsa County, Wagoner County, Oklahoma. It was in force for 44 min. 2 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: Mar 17, 2021, 1:46 PM CDT (18:46 UTC)
Expired: Mar 17, 2021, 2:30 PM CDT
In force: 44 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 18 km from the middle of the area, began a volume at 18:50 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
Mar 17, 1:53 PM CDT	HAIL 1	3 Sse Broken Arrow, OK	OFF DUTY METEOROLOGIST 1 MILE WEST OF NSU BA.
Mar 17, 2:00 PM CDT	HAIL 0.88	2 Ese Broken Arrow, OK	REPORTED NEAR 81ST AND HWY 51.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 6.8 hours before the alert went out and 179 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: 59 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 788 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

424 
WUUS54 KTSA 171846
SVRTSA
OKC131-143-145-171930-
/O.NEW.KTSA.SV.W.0013.210317T1846Z-210317T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
146 PM CDT Wed Mar 17 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southwestern Rogers County in northeastern Oklahoma...
  Northwestern Wagoner County in northeastern Oklahoma...
  Eastern Tulsa County in northeastern Oklahoma...

* Until 230 PM CDT.

* At 146 PM CDT, a severe thunderstorm was located over Broken Arrow,
  moving north 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...
  Tulsa...                          Broken Arrow...
  Claremore...                      Owasso...
  Bixby...                          Coweta...
  Skiatook...                       Catoosa...
  Collinsville...                   Verdigris...
  Tulsa International Airport...    Oneta...

This includes Interstate 44 between mile markers 227 and 247.
 
LAT...LON 3594 9569 3595 9587 3638 9594 3638 9559
TIME...MOT...LOC 1846Z 182DEG 33KT 3603 9579 

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

2 follow-up statements

931 
WWUS54 KTSA 171906
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
206 PM CDT Wed Mar 17 2021

OKC131-143-145-171930-
/O.CON.KTSA.SV.W.0013.000000T0000Z-210317T1930Z/
Rogers OK-Wagoner OK-Tulsa OK-
206 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR SOUTHWESTERN ROGERS...NORTHWESTERN WAGONER AND NORTHEASTERN TULSA
COUNTIES...

At 205 PM CDT, a severe thunderstorm was located 3 miles south of
Catoosa, moving northeast at 30 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...
Tulsa...                          Broken Arrow...
Claremore...                      Owasso...
Catoosa...                        Collinsville...
Verdigris...                      

This includes Interstate 44 between mile markers 231 and 247.
 
A Tornado Watch remains in effect until 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3602 9567 3604 9582 3638 9588 3638 9559
TIME...MOT...LOC 1905Z 204DEG 28KT 3614 9573 

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

079 
WWUS54 KTSA 171914
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
214 PM CDT Wed Mar 17 2021

OKC143-171924-
/O.CAN.KTSA.SV.W.0013.000000T0000Z-210317T1930Z/
Tulsa OK-
214 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TULSA 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 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3638 9559 3607 9566 3609 9576 3616 9576
      3616 9580 3633 9581 3638 9581
TIME...MOT...LOC 1914Z 194DEG 31KT 3618 9571 

$$

OKC131-145-171930-
/O.CON.KTSA.SV.W.0013.000000T0000Z-210317T1930Z/
Rogers OK-Wagoner OK-
214 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR SOUTHWESTERN ROGERS AND NORTHWESTERN WAGONER COUNTIES...

At 214 PM CDT, a severe thunderstorm was located near Catoosa, moving
north at 35 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...
Claremore...                      Owasso...
Catoosa...                        Verdigris...

This includes Interstate 44 between mile markers 234 and 247.
 
A Tornado Watch remains in effect until 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3638 9559 3607 9566 3609 9576 3616 9576
      3616 9580 3633 9581 3638 9581
TIME...MOT...LOC 1914Z 194DEG 31KT 3618 9571 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 1:25 AM CDT	Special Weather Statement	TSA	LeFlore	35 min
Mar 17, 1:33 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	42 min
Mar 17, 2:04 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
Mar 17, 2:44 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	46 min
Mar 17, 3:28 AM CDT	Severe Thunderstorm Warning	TSA	Osage	47 min
Mar 17, 3:46 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	44 min
Mar 17, 4:19 AM CDT	Special Weather Statement	TSA	Nowata, Washington	26 min
Mar 17, 4:22 AM CDT	Areal Flood Advisory	TSA	Osage, Pawnee	3 hr
Mar 17, 4:25 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Pawnee, Washington	50 min
Mar 17, 4:37 AM CDT	Special Weather Statement	TSA	Pawnee	53 min
Mar 17, 4:52 AM CDT	Special Weather Statement	TSA	Cherokee, Craig, Delaware, McIntosh, Mayes, Muskogee and 4 more	38 min
Mar 17, 5:13 AM CDT	Special Weather Statement	TSA	Nowata, Washington	47 min
Mar 17, 5:14 AM CDT	Special Weather Statement	TSA	Nowata, Washington	46 min
Mar 17, 5:24 AM CDT	Special Weather Statement	TSA	Pawnee	36 min
Mar 17, 5:27 AM CDT	Special Weather Statement	TSA	Adair, Cherokee, Craig, Delaware, Haskell, Latimer and 4 more	33 min
Mar 17, 5:54 AM CDT	Special Weather Statement	TSA	Craig, Creek, Nowata, Ottawa, Rogers, Tulsa	51 min
Mar 17, 5:57 AM CDT	Special Weather Statement	TSA	Adair, Cherokee, Delaware, Haskell, LeFlore, Sequoyah	48 min
Mar 17, 6:15 AM CDT	Special Weather Statement	TSA	Choctaw	45 min
Mar 17, 6:33 AM CDT	Special Weather Statement	TSA	Adair	42 min
Mar 17, 6:46 AM CDT	Special Weather Statement	TSA	Ottawa	29 min
Mar 17, 1:42 PM CDT	Special Weather Statement	TSA	Tulsa	33 min
Mar 17, 1:54 PM CDT	Special Weather Statement	TSA	Delaware	36 min
Mar 17, 1:58 PM CDT	Tornado Warning	TSA	Creek	32 min
Mar 17, 2:13 PM CDT	Wind Advisory	TSA	Craig, Creek, Nowata, Okfuskee, Okmulgee, Pawnee and 3 more	7 hr
Mar 17, 2:17 PM CDT	Tornado Warning	TSA	Rogers, Wagoner	28 min
Mar 17, 2:28 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Tulsa	47 min
Mar 17, 2:32 PM CDT	Special Weather Statement	TSA	Delaware	43 min
Mar 17, 3:11 PM CDT	Special Weather Statement	TSA	Rogers	34 min
Mar 17, 3:14 PM CDT	Special Weather Statement	TSA	Nowata	31 min
Mar 17, 3:16 PM CDT	Special Weather Statement	TSA	Delaware	29 min
Mar 17, 3:16 PM CDT	Special Weather Statement	TSA	Delaware	29 min
Mar 17, 3:23 PM CDT	Special Weather Statement	TSA	Craig	37 min
Mar 17, 3:31 PM CDT	Special Weather Statement	TSA	Washington	29 min
Mar 17, 3:51 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	10 min
Mar 17, 4:14 PM CDT	Special Weather Statement	TSA	Ottawa	31 min
Mar 17, 4:58 PM CDT	Special Weather Statement	TSA	Delaware	32 min

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.