Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

October 12, 2016Tulsa County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Oct 12, 2016, 12:36 PM CDT for Tulsa County, Oklahoma. It was in force for 24 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: Oct 12, 2016, 12:36 PM CDT (17:36 UTC)
Expired: Oct 12, 2016, 1:00 PM CDT
In force: 24 min
Issued by: NWS Tulsa, OK

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 24 km from the middle of the area, began a volume at 17:38 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.6 hours before the alert went out and 198 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: 514 J/kg
Mixed-layer CIN: -142 J/kg
Mixed-layer LCL: 919 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Oct 12, 12:32 PM CDT, 4 minutes earlier.

Area forecast discussion, Oct 12, 12:32 PM CDT, 4 minutes before

Area Forecast Discussion
National Weather Service Tulsa OK
1232 PM CDT WED OCT 12 2016

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Strong cold front currently moving through the Tulsa metro early
this afternoon with gusty north winds behind boundary. Scattered
showers/thunderstorms will continue to potentially impact NE OK/NW
AR TAF sites through the afternoon as front moves south of FSM
around 23z. Ceiling heights will begin to increase across NE OK
this evening, however low clouds/patchy fog could persist across
portions of NW AR into Thursday morning.

&&

.PREV DISCUSSION... /Issued 1118 AM CDT WED OCT 12 2016/

..UPDATE...

DISCUSSION...
Cold front moving through northeast Oklahoma late this morning,
currently just north of I-44. Scattered showers/thunderstorms have
started to redevelop along/behind the front and this activity is
expected to continue this afternoon as upper jet streak passes
north of area. A few of the stronger storms could produce
marginally severe hail given the steep lapse rates, however
overall threat will likely remain limited. Frequent updates will
likely continue this afternoon as front progresses through the
area.

TSA Watches/Warnings/Advisories...
OK...None.
AR...None.

&&

AVIATION...12

Hazardous weather outlook, Oct 12, 8:30 AM CDT, 4 hours 6 minutes before

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In the hours before

Special weather statement, Oct 12, 6:44 AM CDT, 5 hours 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
644 AM CDT WED OCT 12 2016

OKZ054-060-121215-
TULSA OK-OSAGE OK-
644 AM CDT WED OCT 12 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN OSAGE AND NORTHERN
TULSA COUNTIES UNTIL 715 AM CDT...

AT 644 AM CDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
WALNUT CREEK STATE PARK...MOVING EAST AT 40 MPH.

DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
SKIATOOK...

LAT...LON 3642 9600 3642 9592 3633 9590 3628 9626
      3640 9630 3644 9600
TIME...MOT...LOC 1144Z 260DEG 33KT 3634 9624

Special weather statement, Oct 12, 7:56 AM CDT, 4 hours 40 minutes before

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Special weather statement, Oct 12, 8:23 AM CDT, 4 hours 13 minutes before

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Special weather statement, Oct 12, 12:36 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1236 PM CDT WED OCT 12 2016

OKZ060-061-121800-
ROGERS OK-TULSA OK-
1236 PM CDT WED OCT 12 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ROGERS AND EAST
CENTRAL TULSA COUNTIES UNTIL 100 PM CDT...

AT 1236 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER NORTHWESTERN
TULSA...MOVING EAST AT 45 MPH.

NICKEL SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
NORTHERN TULSA...                 SAND SPRINGS...
OWASSO...                         CATOOSA...
VERDIGRIS...                      TURLEY...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 230 AND 242.

LAT...LON 3616 9568 3616 9576 3613 9576 3616 9611
      3617 9600 3627 9600 3627 9567
TIME...MOT...LOC 1736Z 271DEG 40KT 3620 9605

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 11, 10:39 PM CDT	Special Weather Statement	TSA	Osage	36 min
Oct 11, 10:51 PM CDT	Special Weather Statement	TSA	Pawnee	24 min
Oct 11, 11:13 PM CDT	Special Weather Statement	TSA	Tulsa	32 min
Oct 11, 11:35 PM CDT	Special Weather Statement	TSA	Washington	25 min
Oct 11, 11:43 PM CDT	Special Weather Statement	TSA	Tulsa	32 min
Oct 11, 11:51 PM CDT	Special Weather Statement	TSA	Pawnee	39 min
Oct 12, 12:14 AM CDT	Special Weather Statement	TSA	Osage	46 min
Oct 12, 12:50 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	40 min
Oct 12, 1:03 AM CDT	Special Weather Statement	TSA	Rogers	42 min
Oct 12, 2:23 AM CDT	Special Weather Statement	TSA	Osage	37 min
Oct 12, 2:44 AM CDT	Severe Thunderstorm Warning	TSA	Osage	31 min
Oct 12, 3:01 AM CDT	Special Weather Statement	TSA	Rogers	29 min
Oct 12, 3:15 AM CDT	Severe Thunderstorm Warning	TSA	Osage	30 min
Oct 12, 3:34 AM CDT	Special Weather Statement	TSA	Nowata, Washington	41 min
Oct 12, 3:48 AM CDT	Special Weather Statement	TSA	Rogers	42 min
Oct 12, 6:44 AM CDT	Special Weather Statement	TSA	Tulsa	31 min
Oct 12, 7:56 AM CDT	Special Weather Statement	TSA	Nowata	34 min
Oct 12, 8:23 AM CDT	Special Weather Statement	TSA	Ottawa	52 min
Oct 12, 8:37 AM CDT	Areal Flood Advisory	TSA	Craig, Nowata, Ottawa	113 min
Oct 12, 12:53 PM CDT	Special Weather Statement	TSA	Rogers	37 min
Oct 12, 1:45 PM CDT	Special Weather Statement	TSA	Craig, Nowata	30 min
Oct 12, 2:38 PM CDT	Special Weather Statement	TSA	Craig, Ottawa	37 min
Oct 12, 2:45 PM CDT	Special Weather Statement	TSA	Benton	30 min
Oct 12, 2:54 PM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	36 min
Oct 12, 3:56 PM CDT	Special Weather Statement	TSA	Benton	34 min
Oct 12, 4:13 PM CDT	Special Weather Statement	TSA	Madison	17 min
Oct 12, 4:30 PM CDT	Special Weather Statement	TSA	Carroll	45 min
Oct 12, 5:04 PM CDT	Special Weather Statement	TSA	Carroll	26 min
Oct 12, 5:30 PM CDT	Special Weather Statement	TSA	Carroll	30 min

Nearby

Special Weather Statements in Oklahoma, 2016 Every special weather statement in 2016

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.