Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

July 28, 2016Osage County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 28, 2016, 10:21 PM CDT for Osage County, Oklahoma. It was in force for 54 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: Jul 28, 2016, 10:21 PM CDT (03:21 UTC)
Expired: Jul 28, 2016, 11:15 PM CDT
In force: 54 min
Issued by: NWS Tulsa, OK

County Osage County, OK

The radar

The Tulsa radar (KINX), 108 km from the middle of the area, began a volume at 03:21 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

Norman, OK (KOUN), launched 00:00Z, 3.4 hours before the alert went out and 191 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: 2670 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1440 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

630 
WWUS84 KTSA 290321
SPSTSA

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1021 PM CDT THU JUL 28 2016
 
OKZ054-055-290415-
WASHINGTON OK-OSAGE OK-
1021 PM CDT THU JUL 28 2016

...SIGNIFICANT WEATHER ADVISORY FOR OSAGE AND NORTHWESTERN WASHINGTON
COUNTIES UNTIL 1115 PM CDT...

AT 1021 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTH OF SEDAN TO 4 MILES NORTHEAST OF
PEARSONIA TO 4 MILES SOUTHWEST OF BURBANK. MOVEMENT WAS SOUTHEAST AT
40 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BARTLESVILLE...                   PAWHUSKA...
DEWEY...                          FAIRFAX...
BARNSDALL...                      COPAN...
SHIDLER...                        WYNONA...
BURBANK...                        ELGIN...
GRAINOLA...                       FORAKER...
HULAH...                          OSAGE HILLS STATE PARK...
PEARSONIA...                      OKESA...
BIGHEART...                       SOUTHEASTERN KAW LAKE...
WEBB CITY...                      TALLANT...

LAT...LON 3700 9581 3665 9600 3639 9651 3670 9692
      3675 9689 3674 9683 3677 9682 3678 9675
      3700 9675
TIME...MOT...LOC 0321Z 309DEG 34KT 3723 9617 3683 9639 3667 9680 

$$

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 7:57 PM CDT	Special Weather Statement	TSA	LeFlore	33 min
Jul 28, 9:19 PM CDT	Special Weather Statement	TSA	Osage	56 min
Jul 28, 11:28 PM CDT	Special Weather Statement	TSA	Nowata, Washington	62 min
Jul 29, 5:12 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	63 min
Jul 29, 7:45 AM CDT	Special Weather Statement	TSA	Muskogee	30 min
Jul 29, 8:35 AM CDT	Special Weather Statement	TSA	Creek, Muskogee, Okmulgee	25 min
Jul 29, 9:03 AM CDT	Special Weather Statement	TSA	Okmulgee	27 min
Jul 29, 12:09 PM CDT	Special Weather Statement	TSA	LeFlore	51 min
Jul 29, 5:02 PM CDT	Special Weather Statement	TSA	Latimer	28 min
Jul 29, 5:07 PM CDT	Special Weather Statement	TSA	LeFlore	23 min
Jul 29, 5:22 PM CDT	Special Weather Statement	TSA	LeFlore	38 min
Jul 29, 5:30 PM CDT	Special Weather Statement	TSA	Pushmataha	30 min
Jul 29, 6:04 PM CDT	Special Weather Statement	TSA	LeFlore	26 min
Jul 29, 6:18 PM CDT	Special Weather Statement	TSA	Latimer	42 min
Jul 29, 6:33 PM CDT	Special Weather Statement	TSA	LeFlore	42 min
Jul 28, 7:46 PM CDT	Special Weather Statement	TSA	Sebastian	29 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.