Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 430, NWS Tulsa, OK

August 16, 20174 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 16, 2017, 7:52 PM CDT for 4 counties in Oklahoma. It was in force for 53 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: Aug 16, 2017, 7:52 PM CDT (00:52 UTC)
Expired: Aug 16, 2017, 8:45 PM CDT
In force: 53 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.88 in
Wind: 70.0 mph

Counties Craig County, OK, Nowata County, OK, Osage County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 72 km from the middle of the area, began a volume at 00:52 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
Aug 16, 2:48 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.9 hours before the alert went out and 162 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: 947 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 928 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 217 m²/s²
0-3 km storm-relative helicity: 212 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 11.6

Open this sounding in Storm Lab

The text

As transmitted.

735 
WUUS54 KTSA 170052
SVRTSA
OKC035-105-113-147-170145-
/O.NEW.KTSA.SV.W.0430.170817T0052Z-170817T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
752 PM CDT WED AUG 16 2017

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Northern Craig County in northeastern Oklahoma...
  Northeastern Osage County in northeastern Oklahoma...
  Washington County in northeastern Oklahoma...
  Nowata County in northeastern Oklahoma...

* Until 845 PM CDT

* At 752 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles northwest of Dearing to 4 miles southeast of
  Shidler, moving east at 65 mph.

  HAZARD...70 mph wind gusts and nickel size hail. 

  SOURCE...Radar indicated. 

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

* Locations in or near the path include...
  Bartlesville...                   Nowata...
  Pawhuska...                       Dewey...
  South Coffeyville...              Copan...
  Welch...                          Delaware...
  Lenapah...                        Wann...
  New Alluwe...                     Bigheart...
  Pearsonia...                      Hulah...
  Osage Hills State Park...         Watova...
  Okesa...                          Wah Sha She State Park...
  Hollow...                         Centrailia...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9505 3685 9504 3660 9544 3659 9584
      3671 9679 3700 9608
TIME...MOT...LOC 0052Z 268DEG 59KT 3710 9576 3673 9661 

HAIL...0.88IN
WIND...70MPH
 
$$

69

1 follow-up statement

846 
WWUS54 KTSA 170113
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
813 PM CDT WED AUG 16 2017

OKC035-105-113-147-170145-
/O.CON.KTSA.SV.W.0430.000000T0000Z-170817T0145Z/
Craig OK-Osage OK-Washington OK-Nowata OK-
813 PM CDT WED AUG 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHERN CRAIG...NORTHEASTERN OSAGE...WASHINGTON AND NOWATA
COUNTIES...

At 813 PM CDT, severe thunderstorms were located along a line
extending from 5 miles east of Coffeyville to 3 miles northwest of
Pawhuska, 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...
Bartlesville...                   Nowata...
Pawhuska...                       Dewey...
South Coffeyville...              Copan...
Welch...                          Delaware...
Lenapah...                        Wann...
New Alluwe...                     Bigheart...
Pearsonia...                      Hulah...
Osage Hills State Park...         Watova...
Okesa...                          Wah Sha She State Park...
Hollow...                         Centrailia...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9505 3685 9504 3660 9544 3659 9584
      3671 9679 3700 9608
TIME...MOT...LOC 0113Z 274DEG 30KT 3706 9553 3669 9638 

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

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 7:14 PM CDT	Special Weather Statement	TSA	Osage	61 min
Aug 16, 7:17 PM CDT	Severe Thunderstorm Warning	TSA	Osage	58 min
Aug 16, 7:49 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	56 min
Aug 16, 8:28 PM CDT	Special Weather Statement	TSA	Washington	62 min
Aug 16, 8:39 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Rogers, Tulsa, Washington	66 min
Aug 16, 8:45 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Nowata, Ottawa, Rogers, Washington	60 min
Aug 16, 9:34 PM CDT	Special Weather Statement	TSA	Delaware, Mayes, Wagoner	56 min
Aug 16, 9:43 PM CDT	Special Weather Statement	TSA	Craig, Nowata, Ottawa, Rogers, Tulsa	47 min
Aug 16, 9:54 PM CDT	Special Weather Statement	TSA	Creek	51 min
Aug 16, 10:21 PM CDT	Special Weather Statement	TSA	Cherokee, Creek, Delaware, Mayes, Okmulgee, Tulsa and 1 more	54 min
Aug 16, 10:22 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Okmulgee	68 min
Aug 16, 11:12 PM CDT	Special Weather Statement	TSA	Adair, Cherokee, Muskogee, Okfuskee, Okmulgee, Wagoner	63 min
Aug 17, 12:22 AM CDT	Special Weather Statement	TSA	Haskell, Latimer, Pittsburg, Sequoyah	38 min
Aug 17, 1:01 AM CDT	Special Weather Statement	TSA	Haskell, Latimer, Pittsburg, Sequoyah	29 min
Aug 17, 1:18 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg, Pushmataha	42 min
Aug 17, 1:37 AM CDT	Special Weather Statement	TSA	Sequoyah	23 min
Aug 17, 2:02 AM CDT	River Flood Warning	TSA	Ottawa	54 hr
Aug 17, 2:02 AM CDT	Special Weather Statement	TSA	Choctaw	28 min
Aug 17, 2:16 AM CDT	Areal Flood Advisory	TSA	Adair, Cherokee, Sequoyah	5 hr
Aug 17, 3:05 AM CDT	Special Weather Statement	TSA	Choctaw	40 min
Aug 17, 10:15 AM CDT	River Flood Advisory	TSA	Sequoyah	15 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.