Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

June 18, 2016Pawnee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jun 18, 2016, 6:24 AM CDT for Pawnee County, Oklahoma. It was in force for 36 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: Jun 18, 2016, 6:24 AM CDT (11:24 UTC)
Expired: Jun 18, 2016, 7:00 AM CDT
In force: 36 min
Issued by: NWS Tulsa, OK

County Pawnee County, OK

The radar

The Vance AFB radar (KVNX), 115 km from the middle of the area, began a volume at 11:23 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, 11.4 hours before the alert went out and 160 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: 2997 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 1587 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Jun 18, 2:53 AM CDT, 3 hours 31 minutes earlier.

Area forecast discussion, Jun 18, 2:53 AM CDT, 3 hours 31 minutes before

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Hazardous weather outlook, Jun 18, 5:11 AM CDT, 1 hour 13 minutes before

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In the hours before

Special weather statement, Jun 18, 6:24 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
624 AM CDT SAT JUN 18 2016

OKZ054-059-181200-
PAWNEE OK-OSAGE OK-
624 AM CDT SAT JUN 18 2016

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN OSAGE AND PAWNEE COUNTIES
UNTIL 700 AM CDT...

AT 623 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 4 MILES EAST OF TONKAWA TO 4 MILES SOUTHWEST OF
MERIDIAN. MOVEMENT WAS EAST AT 50 MPH.

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

LOCATIONS IN OR NEAR THE PATH INCLUDE...
PAWNEE...                         FAIRFAX...
SHIDLER...                        RALSTON...
BURBANK...                        BLACKBURN...
MARAMEC...                        SKEDEE...
GRAINOLA...                       FORAKER...
SOUTHERN KAW LAKE...              WEBB CITY...
APPERSON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.

&&

LAT...LON 3700 9642 3616 9659 3616 9682 3624 9682
      3625 9692 3633 9693 3634 9703 3651 9703
      3655 9690 3658 9689 3660 9692 3659 9705
      3668 9706 3670 9703 3668 9694 3675 9689
      3674 9683 3677 9682 3678 9675 3700 9675
TIME...MOT...LOC 1123Z 287DEG 41KT 3667 9723 3580 9730

LACY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:30 PM CDT	Special Weather Statement	TSA	LeFlore	45 min
Jun 17, 8:13 PM CDT	Special Weather Statement	TSA	LeFlore	47 min
Jun 18, 10:46 AM CDT	Special Weather Statement	TSA	Mayes	29 min
Jun 18, 5:39 PM CDT	Special Weather Statement	TSA	Pushmataha	51 min
Jun 18, 5:43 PM CDT	Special Weather Statement	TSA	Tulsa	47 min
Jun 18, 5:50 PM CDT	Special Weather Statement	TSA	Pawnee	40 min
Jun 18, 6:06 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	24 min
Jun 18, 6:15 PM CDT	Special Weather Statement	TSA	Tulsa	30 min
Jun 18, 6:31 PM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	44 min
Jun 18, 6:46 PM CDT	Special Weather Statement	TSA	Creek	44 min
Jun 18, 6:52 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg, Pushmataha	68 min
Jun 18, 11:34 AM CDT	Special Weather Statement	TSA	Crawford	26 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.