Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

November 11, 2012Tulsa County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Nov 11, 2012, 6:37 AM CST for Tulsa County, Oklahoma. It was in force for 38 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: Nov 11, 2012, 6:37 AM CST (12:37 UTC)
Expired: Nov 11, 2012, 7:15 AM CST
In force: 38 min
Issued by: NWS Tulsa, OK

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 22 km from the middle of the area, began a volume at 12:40 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 12:00Z, 0.6 hours before the alert went out and 175 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 535 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

788 
WWUS84 KTSA 111237
SPSTSA

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
637 AM CST SUN NOV 11 2012

OKZ060-061-064-066-067-111315-
CREEK OK-OKMULGEE OK-ROGERS OK-TULSA OK-WAGONER OK-
637 AM CST SUN NOV 11 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 715 AM CST
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     EASTERN CREEK...NORTHWESTERN OKMULGEE...SOUTHERN ROGERS...
     SOUTHEASTERN TULSA AND NORTHWESTERN WAGONER

AT 638 AM CST...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM TULSA TO 10 MILES SOUTHWEST OF BEGGS...MOVING
NORTHEAST AT 55 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THESE
STORMS INCLUDE...TULSA...LIBERTY...CLAREMORE...CATOOSA...VERDIGRIS...
BEGGS...HECTORVILLE...LEONARD...BIXBY...JENKS...GLENPOOL...BROKEN
ARROW...STONEBLUFF...ONETA AND MOUNDS.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.

LAT...LON 3637 9553 3587 9572 3563 9618 3618 9593
TIME...MOT...LOC 1238Z 230DEG 46KT 3616 9588 3564 9614

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 11, 4:26 AM CST	Special Weather Statement	TSA	Osage, Washington	49 min
Nov 11, 5:24 AM CST	Special Weather Statement	TSA	Craig, Nowata, Washington	51 min
Nov 11, 5:51 AM CST	Special Weather Statement	TSA	Tulsa	39 min
Nov 11, 6:28 AM CST	Special Weather Statement	TSA	Craig, Mayes, Ottawa, Rogers	47 min
Nov 11, 7:07 AM CST	Special Weather Statement	TSA	Mayes, Wagoner	53 min
Nov 11, 7:09 AM CST	Special Weather Statement	TSA	Ottawa	66 min
Nov 11, 9:02 AM CST	Special Weather Statement	TSA	Adair, Cherokee	58 min
Nov 11, 10:03 AM CST	Special Weather Statement	TSA	Adair, Haskell, Sequoyah	57 min
Nov 11, 10:26 AM CST	Special Weather Statement	TSA	Haskell, Latimer	34 min
Nov 11, 11:03 AM CST	Special Weather Statement	TSA	LeFlore	57 min
Nov 11, 1:02 PM CST	Special Weather Statement	TSA	LeFlore	43 min
Nov 11, 2:28 PM CST	Freeze Watch	TSA	Choctaw, Haskell, Latimer, McIntosh, Muskogee, Pittsburg and 1 more	13 hr
Nov 11, 5:23 PM CST	Freeze Warning	TSA	Choctaw, Haskell, Latimer, McIntosh, Muskogee, Pittsburg and 1 more	17 hr
Nov 11, 10:57 AM CST	Special Weather Statement	TSA	Carroll, Crawford, Madison, Washington	63 min
Nov 11, 12:02 PM CST	Special Weather Statement	TSA	Carroll, Franklin, Madison	58 min

Nearby

Special Weather Statements in Oklahoma, 2012 Every special weather statement in 2012

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.