Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 87, NWS Tulsa, OK

May 29, 2012Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 8:25 PM CDT for Osage County, Oklahoma. It was in force for 35 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: May 29, 2012, 8:25 PM CDT (01:25 UTC)
Expired: May 29, 2012, 9:00 PM CDT
In force: 35 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Osage County, OK

The radar

The Tulsa radar (KINX), 88 km from the middle of the area, began a volume at 01:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 29, 7:33 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.4 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: 2199 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1607 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

382 
WUUS54 KTSA 300125
SVRTSA
OKC113-300200-
/O.NEW.KTSA.SV.W.0087.120530T0125Z-120530T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
825 PM CDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL OSAGE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 900 PM CDT

* AT 822 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES
  NORTHWEST OF HOMINY...MOVING EAST AT 25 MPH.

  STORM HAZARDS INCLUDE...
  QUARTER SIZE HAIL...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...HOMINY
  AND WYNONA.

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 3660 9654 3654 9616 3629 9641 3637 9652
      3640 9653 3639 9655 3645 9663
TIME...MOT...LOC 0125Z 289DEG 22KT 3650 9654

$$

1 follow-up statement

380 
WWUS54 KTSA 300146
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
846 PM CDT TUE MAY 29 2012

OKC113-300200-
/O.CON.KTSA.SV.W.0087.000000T0000Z-120530T0200Z/
OSAGE OK-
846 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
CENTRAL OSAGE COUNTY...

AT 844 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HOMINY...
MOVING EAST AT 25 MPH.

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

THIS STORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS.

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 3655 9639 3654 9616 3629 9641 3643 9648
TIME...MOT...LOC 0147Z 289DEG 22KT 3642 9634

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:11 PM CDT	Special Weather Statement	TSA	Osage	49 min
May 29, 7:27 PM CDT	Special Weather Statement	TSA	Creek	48 min
May 29, 7:49 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
May 29, 8:07 PM CDT	Special Weather Statement	TSA	Creek	53 min
May 29, 8:17 PM CDT	Severe Thunderstorm Warning	TSA	Osage	43 min
May 29, 8:30 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	45 min
May 29, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	50 min
May 29, 8:44 PM CDT	Severe Thunderstorm Warning	TSA	Osage	46 min
May 29, 8:49 PM CDT	Special Weather Statement	TSA	Tulsa	41 min
May 29, 8:55 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Tulsa	28 min
May 29, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	48 min
May 29, 9:18 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	27 min
May 29, 9:29 PM CDT	Special Weather Statement	TSA	Muskogee	46 min
May 29, 9:34 PM CDT	Special Weather Statement	TSA	Okfuskee	26 min
May 29, 9:39 PM CDT	Special Weather Statement	TSA	Wagoner	36 min
May 29, 9:46 PM CDT	Special Weather Statement	TSA	McIntosh	44 min
May 29, 10:05 PM CDT	Special Weather Statement	TSA	Cherokee, Craig, Mayes, Muskogee, Nowata	55 min
May 29, 10:10 PM CDT	Areal Flood Advisory	TSA	McIntosh, Okfuskee, Okmulgee	110 min
May 29, 10:19 PM CDT	Special Weather Statement	TSA	McIntosh, Pittsburg	41 min
May 29, 10:22 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, McIntosh, Pittsburg	53 min
May 29, 10:52 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Pittsburg	68 min
May 29, 10:54 PM CDT	Special Weather Statement	TSA	Ottawa	36 min
May 29, 11:04 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	45 min
May 29, 11:17 PM CDT	Special Weather Statement	TSA	Sequoyah	58 min
May 29, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	54 min
May 29, 11:38 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pittsburg, Pushmataha	67 min
May 30, 12:31 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.