Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

October 6, 2016Osage County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Oct 6, 2016, 4:16 AM CDT for Osage County, Oklahoma. It was in force for 44 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 6, 2016, 4:16 AM CDT (09:16 UTC)
Expired: Oct 6, 2016, 5:00 AM CDT
In force: 44 min
Issued by: NWS Tulsa, OK

County Osage County, OK

The radar

The Tulsa radar (KINX), 111 km from the middle of the area, began a volume at 09:16 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, 9.3 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: 2652 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1415 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 209 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 9.0

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 6, 3:02 AM CDT, 1 hour 14 minutes earlier.

Area forecast discussion, Oct 6, 3:02 AM CDT, 1 hour 14 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Oct 5, 5:13 PM CDT, 11 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
513 PM CDT WED OCT 5 2016

ARZ001-002-010-011-019-020-029-OKZ049-053>076-061030-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
513 PM CDT WED OCT 5 2016

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...THIS EVENING THROUGH TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...NORTHEAST OKLAHOMA...NORTH OF INTERSTATE 44.
	ONSET...LATE EVENING.

DISCUSSION...

SCATTERED THUNDERSTORMS WILL POSSIBLE THIS EVENING ACROSS PORTIONS
OF NORTHEAST OKLAHOMA AHEAD OF A SLOW MOVING COLD FRONT. BETTER
CHANCES FOR SHOWERS AND THUNDERSTORMS WILL DEVELOP AFTER MIDNIGHT
ACROSS THESE SAME AREAS. A FEW STORMS COULD APPROACH SEVERE LIMITS
EITHER THIS EVENING OR OVERNIGHT WITH DAMAGING WINDS AND LARGE
HAIL...PRIMARILY NEAR THE OKLAHOMA...KANSAS BOARDER.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION IS POSSIBLE THIS EVENING INTO TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THURSDAY...SEVERE THUNDERSTORM AND  HEAVY RAIN POTENTIAL.
FRIDAY...THUNDERSTORM POTENTIAL.
SATURDAY THROUGH TUESDAY...NO HAZARDS.

EXTENDED DISCUSSION...
A FEW THUNDERSTORMS MAY BE ONGOING THURSDAY MORNING ACROSS PARTS
OF NORTHEAST OKLAHOMA TO THE NORTH OF INTERSTATE 44. ADDITIONAL
THUNDERSTORM DEVELOPMENT IS LIKELY EARLY THURSDAY EVENING INTO THE
OVERNIGHT HOURS AS THE COLD FRONT FINALLY BEGINS TO MOVE THROUGH THE
AREA. SEVERE WEATHER AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE...
ESPECIALLY ACROSS PARTS OF NORTHEAST OKLAHOMA. THE THUNDERSTORM
POTENTIAL WILL CONTINUE INTO FRIDAY BEFORE THE FRONT CLEARS THE
REGION.

MUCH COOLER TEMPERATURES AND DRY WEATHER WILL PREVAIL BEHIND THE
BOUNDARY THROUGH AT LEAST THE FIRST PART OF THE WEEKEND.
TEMPERATURES ARE EXPECTED TO WARM...HOWEVER DRY CONDITIONS ARE
LIKELY TO CONTINUE INTO THE BEGINNING OF NEXT WEEK.

WWW.WEATHER.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Oct 6, 2:42 AM CDT, 1 hour 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
242 AM CDT THU OCT 6 2016

OKZ054-060830-
OSAGE OK-
242 AM CDT THU OCT 6 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN OSAGE COUNTY UNTIL
330 AM CDT...

AT 242 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES WEST OF ELGIN TO 2 MILES NORTHEAST OF
PEARSONIA TO 5 MILES NORTHEAST OF KAW LAKE. MOVEMENT WAS NORTHEAST AT
35 MPH.

NICKEL SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
SHIDLER...                        ELGIN...
GRAINOLA...                       FORAKER...
HULAH...                          PEARSONIA...
BIGHEART...                       WEBB CITY...
WAH SHA SHE STATE PARK...

LAT...LON 3700 9600 3689 9600 3675 9605 3677 9682
      3678 9675 3700 9675
TIME...MOT...LOC 0742Z 230DEG 30KT 3700 9640 3682 9641 3684 9679

Special weather statement, Oct 6, 4:16 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
416 AM CDT THU OCT 6 2016

OKZ054-055-061000-
WASHINGTON OK-OSAGE OK-
416 AM CDT THU OCT 6 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN OSAGE AND NORTHERN
WASHINGTON COUNTIES UNTIL 500 AM CDT...

AT 416 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 2 MILES SOUTHEAST OF ELGIN TO 4 MILES EAST OF
PEARSONIA TO 4 MILES NORTH OF BURBANK. MOVEMENT WAS EAST AT 50 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
DEWEY...                          COPAN...
SHIDLER...                        ELGIN...
GRAINOLA...                       FORAKER...
HULAH...                          PEARSONIA...
BIGHEART...                       EASTERN KAW LAKE...
WEBB CITY...                      APPERSON...
WAH SHA SHE STATE PARK...

LAT...LON 3700 9581 3679 9583 3673 9689 3675 9688
      3674 9683 3677 9682 3678 9675 3700 9675
TIME...MOT...LOC 0916Z 248DEG 41KT 3697 9624 3679 9637 3676 9675

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 6, 1:38 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	67 min
Oct 6, 2:08 AM CDT	Severe Thunderstorm Warning	TSA	Osage	37 min
Oct 6, 2:42 AM CDT	Special Weather Statement	TSA	Osage	48 min
Oct 6, 4:57 AM CDT	Areal Flood Advisory	TSA	Osage	4 hr
Oct 6, 5:41 AM CDT	Flash Flood Warning	TSA	Osage	4 hr
Oct 6, 7:07 AM CDT	Special Weather Statement	TSA	Osage, Washington	38 min
Oct 6, 7:23 AM CDT	Special Weather Statement	TSA	Pawnee	52 min
Oct 6, 8:15 AM CDT	Special Weather Statement	TSA	Washington	45 min
Oct 6, 8:17 AM CDT	River Flood Warning	TSA	Ottawa	5 days
Oct 6, 8:42 AM CDT	Areal Flood Advisory	TSA	Nowata, Osage, Pawnee, Washington	3 hr
Oct 6, 10:13 AM CDT	Flash Flood Warning	TSA	Nowata, Osage, Washington	3 hr
Oct 6, 2:23 PM CDT	River Flood Warning	TSA	Nowata	41 hr
Oct 6, 2:29 PM CDT	Special Weather Statement	TSA	Osage	31 min
Oct 6, 2:35 PM CDT	Flash Flood Watch	TSA	Nowata, Pawnee, Washington	13 hr

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.