Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 252, NWS Tulsa, OK

May 11, 2017Craig County, Delaware County, Mayes County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 11, 2017, 6:32 PM CDT for Craig County, Delaware County, Mayes County, Oklahoma. It was in force for 28 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: May 11, 2017, 6:32 PM CDT (23:32 UTC)
Expired: May 11, 2017, 7:00 PM CDT
In force: 28 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Craig County, OK, Delaware County, OK, Mayes County, OK

The radar

The Tulsa radar (KINX), 55 km from the middle of the area, began a volume at 23:33 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
May 11, 6:32 PM CDT	TSTM WND GST 70	1 N Pryor, OK
May 11, 7:00 PM CDT	HAIL 1	Ketchum, OK

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
May 11, 12:56 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.5 hours before the alert went out and 129 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1011 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

356 
WUUS54 KTSA 112332
SVRTSA
OKC035-041-097-120000-
/O.NEW.KTSA.SV.W.0252.170511T2332Z-170512T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
632 PM CDT THU MAY 11 2017

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southern Craig County in northeastern Oklahoma...
  Northwestern Delaware County in northeastern Oklahoma...
  Northern Mayes County in northeastern Oklahoma...

* Until 700 PM CDT

* At 631 PM CDT, severe thunderstorms were located along a line
  extending from 5 miles west of White Oak to 3 miles north of Adair
  to 2 miles west of Pryor, moving east at 35 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...
  Vinita...                         Pryor...
  Pryor Creek...                    Salina...
  Langley...                        Adair...
  Ketchum...                        Spavinaw...
  Disney...                         Big Cabin...
  Pensacola...                      Hoot Owl...
  Cherokee State Park...            Spavinaw State Park...
  Cleora...                         Chloeta...
  White Oak...                      Strang...
  Snowdale State Park...            

This includes Interstate 44 between mile markers 268 and 292.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3669 9500 3667 9500 3667 9499 3652 9490
      3630 9502 3628 9543 3646 9534 3651 9536
      3651 9533 3660 9533 3660 9540 3665 9542
      3674 9503
TIME...MOT...LOC 2331Z 259DEG 32KT 3663 9536 3648 9527 3631 9536 

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

Lacy

1 follow-up statement

987 
WWUS54 KTSA 112344
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
644 PM CDT THU MAY 11 2017

OKC035-041-097-120000-
/O.CON.KTSA.SV.W.0252.000000T0000Z-170512T0000Z/
Craig OK-Delaware OK-Mayes OK-
644 PM CDT THU MAY 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHEASTERN CRAIG...NORTHWESTERN DELAWARE AND NORTHERN MAYES
COUNTIES...

At 644 PM CDT, severe thunderstorms were located along a line
extending from White Oak to 3 miles southeast of Big Cabin to 3 miles
northeast of Pryor, moving east at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations in or near the path include...
Vinita...                         Pryor...
Pryor Creek...                    Salina...
Langley...                        Adair...
Ketchum...                        Spavinaw...
Disney...                         Big Cabin...
Pensacola...                      Hoot Owl...
Cherokee State Park...            Spavinaw State Park...
Cleora...                         Chloeta...
White Oak...                      Strang...
Snowdale State Park...            

This includes Interstate 44 between mile markers 272 and 292.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3669 9500 3667 9500 3667 9499 3652 9490
      3630 9502 3629 9539 3644 9529 3648 9529
      3652 9528 3660 9533 3667 9533 3674 9503
TIME...MOT...LOC 2344Z 255DEG 29KT 3661 9527 3651 9516 3635 9527 

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
May 10, 9:31 PM CDT	Special Weather Statement	TSA	Creek, Pawnee	44 min
May 10, 9:41 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Pawnee	34 min
May 10, 10:07 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	38 min
May 10, 10:33 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Tulsa, Washington	42 min
May 10, 10:43 PM CDT	Special Weather Statement	TSA	Tulsa, Wagoner	47 min
May 10, 11:06 PM CDT	Special Weather Statement	TSA	Mayes, Nowata, Rogers, Washington	39 min
May 10, 11:11 PM CDT	Special Weather Statement	TSA	Wagoner	34 min
May 10, 11:15 PM CDT	Special Weather Statement	TSA	Craig	30 min
May 10, 11:36 PM CDT	Special Weather Statement	TSA	Craig, Ottawa	39 min
May 10, 11:38 PM CDT	Special Weather Statement	TSA	Delaware, Mayes	52 min
May 10, 11:55 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	35 min
May 10, 11:59 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	46 min
May 11, 6:28 AM CDT	Special Weather Statement	TSA	Tulsa	32 min
May 11, 6:50 AM CDT	Special Weather Statement	TSA	Tulsa	25 min
May 11, 7:18 AM CDT	Special Weather Statement	TSA	Washington	27 min
May 11, 7:33 AM CDT	Special Weather Statement	TSA	Rogers	27 min
May 11, 7:42 AM CDT	Special Weather Statement	TSA	Washington	33 min
May 11, 7:53 AM CDT	Special Weather Statement	TSA	Mayes	37 min
May 11, 8:19 AM CDT	Special Weather Statement	TSA	Delaware	26 min
May 11, 8:27 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	48 min
May 11, 10:53 AM CDT	Flash Flood Watch	TSA	Adair, Cherokee, Craig, Delaware, Mayes, Nowata and 6 more	11 hr
May 11, 1:02 PM CDT	Special Weather Statement	TSA	Muskogee	28 min
May 11, 1:10 PM CDT	Special Weather Statement	TSA	Okfuskee	35 min
May 11, 1:17 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee	28 min
May 11, 1:34 PM CDT	Special Weather Statement	TSA	Tulsa	26 min
May 11, 1:43 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Rogers, Tulsa, Wagoner	47 min
May 11, 1:52 PM CDT	Areal Flood Advisory	TSA	Creek, Muskogee, Okmulgee, Osage, Rogers, Tulsa and 1 more	113 min
May 11, 1:53 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	52 min
May 11, 2:02 PM CDT	Tornado Warning	TSA	Rogers	28 min
May 11, 2:11 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	34 min
May 11, 2:19 PM CDT	Special Weather Statement	TSA	Craig	26 min
May 11, 2:24 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	36 min
May 11, 2:28 PM CDT	River Flood Warning	TSA	Ottawa	3 days
May 11, 2:29 PM CDT	Tornado Warning	TSA	Rogers	15 min
May 11, 2:31 PM CDT	Special Weather Statement	TSA	Latimer	29 min
May 11, 2:33 PM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 1 more	57 min
May 11, 2:41 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	34 min
May 11, 2:52 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	38 min
May 11, 2:57 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	13 min
May 11, 2:58 PM CDT	Special Weather Statement	TSA	LeFlore	32 min
May 11, 3:17 PM CDT	Flash Flood Warning	TSA	Craig, Delaware, Nowata, Ottawa, Rogers	4 hr
May 11, 3:20 PM CDT	Special Weather Statement	TSA	LeFlore	25 min
May 11, 3:22 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	53 min
May 11, 3:38 PM CDT	Severe Thunderstorm Warning	TSA	Osage	52 min
May 11, 3:50 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	40 min
May 11, 4:16 PM CDT	Severe Thunderstorm Warning	TSA	Osage	44 min
May 11, 4:22 PM CDT	Severe Thunderstorm Warning	TSA	Osage	23 min
May 11, 4:25 PM CDT	Areal Flood Advisory	TSA	Osage, Pawnee	3 hr
May 11, 4:25 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	50 min
May 11, 4:31 PM CDT	Tornado Warning	TSA	Osage	29 min
May 11, 4:33 PM CDT	Tornado Warning	TSA	Osage	27 min
May 11, 4:46 PM CDT	Tornado Warning	TSA	Osage, Washington	29 min
May 11, 4:52 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	38 min
May 11, 5:05 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Mayes, Okmulgee, Osage, Rogers, Tulsa and 2 more	40 min
May 11, 5:06 PM CDT	Tornado Warning	TSA	Nowata, Rogers, Washington	24 min
May 11, 5:24 PM CDT	Tornado Warning	TSA	Nowata, Rogers, Washington	18 min
May 11, 5:42 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers, Tulsa	48 min
May 11, 5:52 PM CDT	Tornado Warning	TSA	Rogers	23 min
May 11, 6:04 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	41 min
May 11, 6:10 PM CDT	Tornado Warning	TSA	Mayes, Rogers	16 min
May 11, 6:24 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Wagoner	51 min
May 11, 6:30 PM CDT	Special Weather Statement	TSA	Mayes	45 min
May 11, 6:53 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Ottawa	52 min
May 11, 6:55 PM CDT	Special Weather Statement	TSA	Muskogee	35 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2017 Every severe thunderstorm warning in 2017

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.