Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

August 12, 2016Pittsburg County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Aug 12, 2016, 1:07 PM CDT for Pittsburg 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: Aug 12, 2016, 1:07 PM CDT (18:07 UTC)
Expired: Aug 12, 2016, 1:45 PM CDT
In force: 38 min
Issued by: NWS Tulsa, OK

County Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 139 km from the middle of the area, began a volume at 18:08 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, 6.1 hours before the alert went out and 163 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: 767 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 1700 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 24 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 Aug 12, 12:49 PM CDT, 18 minutes earlier.

Area forecast discussion, Aug 12, 12:49 PM CDT, 18 minutes before

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Hazardous weather outlook, Aug 12, 5:17 AM CDT, 7 hours 50 minutes before

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In the hours before

Special weather statement, Aug 12, 1:07 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
107 PM CDT FRI AUG 12 2016

OKZ073-075-121845-
PITTSBURG OK-LATIMER OK-
107 PM CDT FRI AUG 12 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN PITTSBURG AND
SOUTHWESTERN LATIMER COUNTIES UNTIL 145 PM CDT...

AT 107 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES NORTHEAST
OF BLANCO...MOVING EAST AT 25 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
MCALESTER...                      HARTSHORNE...
KREBS...                          KIOWA...
SAVANNA...                        ALDERSON...
BLANCO...                         HAILEYVILLE...
PITTSBURG...                      GOWEN...
BACHE...                          DOW...

LAT...LON 3468 9589 3468 9604 3492 9587 3497 9542
      3468 9549 3468 9551 3460 9552 3459 9588
TIME...MOT...LOC 1807Z 269DEG 20KT 3481 9572

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 1:35 PM CDT	Special Weather Statement	TSA	Latimer	40 min
Aug 12, 1:47 PM CDT	Special Weather Statement	TSA	Pushmataha	43 min
Aug 12, 1:49 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	20 min
Aug 12, 2:35 PM CDT	Special Weather Statement	TSA	Choctaw	25 min
Aug 12, 2:44 PM CDT	Special Weather Statement	TSA	Sequoyah	31 min
Aug 12, 3:06 PM CDT	Special Weather Statement	TSA	Choctaw	24 min
Aug 12, 2:42 PM CDT	Special Weather Statement	TSA	Sebastian	33 min
Aug 12, 2:48 PM CDT	Special Weather Statement	TSA	Crawford	27 min
Aug 12, 3:09 PM CDT	Special Weather Statement	TSA	Sebastian	36 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.