Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 14, NWS Tulsa, OK

March 17, 2021Creek County, Osage County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 17, 2021, 2:28 PM CDT for Creek County, Osage County, Tulsa County, Oklahoma. It was in force for 47 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: Mar 17, 2021, 2:28 PM CDT (19:28 UTC)
Expired: Mar 17, 2021, 3:15 PM CDT
In force: 47 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Creek County, OK, Osage County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 49 km from the middle of the area, began a volume at 19:29 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, 2:42 PM CDT	HAIL 1	4 Sse Gray, OK	REPORT FROM MPING: QUARTER (1.00 IN.).

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
Mar 17, 2:00 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 7.5 hours before the alert went out and 155 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.

908 
WUUS54 KTSA 171928
SVRTSA
OKC037-113-143-172015-
/O.NEW.KTSA.SV.W.0014.210317T1928Z-210317T2015Z/

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

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southeastern Osage County in northeastern Oklahoma...
  Northeastern Creek County in northeastern Oklahoma...
  Central Tulsa County in northeastern Oklahoma...

* Until 315 PM CDT.

* At 228 PM CDT, a severe thunderstorm was located 3 miles northwest
  of Sapulpa, moving northeast at 20 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...                          Sand Springs...
  Sapulpa...                        Jenks...
  Jenks Riverside Airport...        Turley...
  Gray...                           

This includes Interstate 44 between mile markers 207 and 230.
 
A Tornado Watch remains in effect until 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3616 9620 3625 9613 3631 9604 3610 9579
      3596 9616 3608 9627
TIME...MOT...LOC 1928Z 232DEG 17KT 3604 9616 

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

3 follow-up statements

354 
WWUS54 KTSA 171946
SVSTSA

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

OKC037-171956-
/O.CAN.KTSA.SV.W.0014.000000T0000Z-210317T2015Z/
Creek OK-
246 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CREEK 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 3625 9613 3631 9604 3612 9582 3611 9580
      3602 9603 3607 9603 3607 9611 3616 9620
TIME...MOT...LOC 1946Z 220DEG 27KT 3613 9606 

$$

OKC113-143-172015-
/O.CON.KTSA.SV.W.0014.000000T0000Z-210317T2015Z/
Osage OK-Tulsa OK-
246 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR SOUTHEASTERN OSAGE AND CENTRAL TULSA COUNTIES...

At 246 PM CDT, a severe thunderstorm was located near Sand Springs,
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...                          Sand Springs...
Jenks...                          Jenks Riverside Airport...
Turley...                         Gray...

This includes Interstate 44 between mile markers 216 and 230.
 
A Tornado Watch remains in effect until 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3625 9613 3631 9604 3612 9582 3611 9580
      3602 9603 3607 9603 3607 9611 3616 9620
TIME...MOT...LOC 1946Z 220DEG 27KT 3613 9606 

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

545 
WWUS54 KTSA 172006
SVSTSA

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

OKC113-172015-
/O.CAN.KTSA.SV.W.0014.000000T0000Z-210317T2015Z/
Osage OK-
306 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSAGE 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 3612 9582 3611 9580 3608 9595 3610 9599
      3616 9601 3617 9600 3627 9600
TIME...MOT...LOC 2005Z 238DEG 31KT 3616 9593 

$$

OKC143-172015-
/O.CON.KTSA.SV.W.0014.000000T0000Z-210317T2015Z/
Tulsa OK-
306 PM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR EAST CENTRAL TULSA COUNTY...

At 305 PM CDT, a severe thunderstorm was located over Tulsa, moving
northeast 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...
Tulsa...                          Turley...

This includes Interstate 44 between mile markers 222 and 229.
 
A Tornado Watch remains in effect until 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3612 9582 3611 9580 3608 9595 3610 9599
      3616 9601 3617 9600 3627 9600
TIME...MOT...LOC 2005Z 238DEG 31KT 3616 9593 

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

765 
WWUS54 KTSA 172014
SVSTSA

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

OKC143-172023-
/O.EXP.KTSA.SV.W.0014.000000T0000Z-210317T2015Z/
Tulsa OK-
314 PM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TULSA COUNTY WILL
EXPIRE AT 315 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.  However small hail 
to penny size and gusty winds to 40 mph are still possible with this 
thunderstorm.

A Tornado Watch remains in effect until 800 PM CDT for northeastern
Oklahoma.

LAT...LON 3612 9582 3611 9580 3608 9595 3610 9599
      3616 9601 3617 9600 3627 9600
TIME...MOT...LOC 2013Z 232DEG 17KT 3618 9589 

$$

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, 1:46 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	44 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, 2:32 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.