Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 147, NWS Tulsa, OK

July 13, 2012Creek County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 13, 2012, 5:39 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 13, 2012, 5:39 PM CDT (22:39 UTC)
Expired: Jul 13, 2012, 6:15 PM CDT
In force: 36 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Creek County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 47 km from the middle of the area, began a volume at 22:39 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.

What was reported inside it

Time	Report	Where	Remark
Jul 13, 5:42 PM CDT	TSTM WND GST 66	Jenks, OK	RIVERSIDE AIRPOST ASOS MEASURED 66 MPH WIND GUST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.7 hours before the alert went out and 149 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: 217 J/kg
Mixed-layer CIN: -245 J/kg
Mixed-layer LCL: 1927 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

480 
WUUS54 KTSA 132239
SVRTSA
OKC037-143-132315-
/O.NEW.KTSA.SV.W.0147.120713T2239Z-120713T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
539 PM CDT FRI JUL 13 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  CENTRAL TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 615 PM CDT

* AT 539 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TULSA...
  MOVING SOUTHWEST AT 25 MPH.

  STORM HAZARDS INCLUDE...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...TULSA...
  SAPULPA...GLENPOOL AND KIEFER.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 211 AND 223.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3585 9601 3595 9620 3612 9602 3608 9588
TIME...MOT...LOC 2240Z 027DEG 23KT 3605 9601

$$

2 follow-up statements

202 
WWUS54 KTSA 132252
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
552 PM CDT FRI JUL 13 2012

OKC037-143-132315-
/O.CON.KTSA.SV.W.0147.000000T0000Z-120713T2315Z/
CREEK OK-TULSA OK-
552 PM CDT FRI JUL 13 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
CENTRAL TULSA AND EASTERN CREEK COUNTIES...

AT 548 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR JENKS...MOVING
SOUTH AT 20 MPH. THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS
TO 66 MPH AT THE RIVERSIDE AIRPORT. 

STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SAPULPA...
GLENPOOL AND KIEFER.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 210 AND 223.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3585 9601 3595 9620 3612 9602 3608 9588
TIME...MOT...LOC 2252Z 022DEG 19KT 3600 9602

$$

256 
WWUS54 KTSA 132313
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
613 PM CDT FRI JUL 13 2012

OKC037-143-132323-
/O.EXP.KTSA.SV.W.0147.000000T0000Z-120713T2315Z/
CREEK OK-TULSA OK-
613 PM CDT FRI JUL 13 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL TULSA AND EASTERN
CREEK COUNTIES EXPIRES AT 615 PM CDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

GUSTY WINDS AND HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM.

LAT...LON 3585 9601 3595 9620 3612 9602 3608 9588
TIME...MOT...LOC 2313Z 022DEG 19KT 3590 9607

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:17 PM CDT	Special Weather Statement	TSA	Sequoyah	58 min
Jul 12, 8:16 PM CDT	Special Weather Statement	TSA	LeFlore	59 min
Jul 12, 9:13 PM CDT	Special Weather Statement	TSA	LeFlore	62 min
Jul 12, 9:54 PM CDT	Special Weather Statement	TSA	Pushmataha	66 min
Jul 13, 3:46 PM CDT	Special Weather Statement	TSA	Nowata	29 min
Jul 13, 3:59 PM CDT	Special Weather Statement	TSA	Washington	31 min
Jul 13, 4:14 PM CDT	Special Weather Statement	TSA	Washington	61 min
Jul 13, 4:38 PM CDT	Special Weather Statement	TSA	Mayes, Rogers	37 min
Jul 13, 5:00 PM CDT	Special Weather Statement	TSA	Osage	45 min
Jul 13, 5:07 PM CDT	Special Weather Statement	TSA	Mayes	38 min
Jul 13, 5:35 PM CDT	Special Weather Statement	TSA	Tulsa	40 min
Jul 13, 5:50 PM CDT	Special Weather Statement	TSA	Pawnee	25 min
Jul 13, 5:57 PM CDT	Special Weather Statement	TSA	Muskogee	33 min
Jul 13, 6:16 PM CDT	Special Weather Statement	TSA	McIntosh, Muskogee	44 min
Jul 13, 6:17 PM CDT	Special Weather Statement	TSA	Creek	28 min
Jul 13, 6:49 PM CDT	Special Weather Statement	TSA	McIntosh, Muskogee	56 min
Jul 13, 6:50 PM CDT	Special Weather Statement	TSA	Okfuskee	55 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2012 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.