Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 103, NWS Tulsa, OK

May 30, 2012Osage County, Pawnee County, Washington County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 30, 2012, 10:24 PM CDT for Osage County, Pawnee County, Washington County, Oklahoma. It was in force for 66 min. 7 reports 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: May 30, 2012, 10:24 PM CDT (03:24 UTC)
Expired: May 30, 2012, 11:30 PM CDT
In force: 66 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Osage County, OK, Pawnee County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 109 km from the middle of the area, began a volume at 03:24 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
May 30, 11:03 PM CDT	TSTM WND GST 60	Pershing, OK	MEDIA ESTIMATED 60 MPH WINDS NEAR PERSHING.
May 30, 11:05 PM CDT	TSTM WND GST 60	10 W Burbank, OK	SPOTTER REPORTED THUNDERSTORM WIND GUST TO 60 MPH. BRANCHES DOWNED BY WINDS.
May 30, 11:10 PM CDT	HAIL 0.88	1 S Pawhuska, OK	RELAYED BY MEDIA.
May 30, 11:29 PM CDT	HAIL 0.88	Bartlesville, OK	PEA TO NICKEL SIZE HAIL REPORTED ON WEST SIDE OF BARTLESVILLE.
May 30, 11:30 PM CDT	TSTM WND DMG	Bartlesville, OK	LARGE TREE DOWN OVER ROAD
May 30, 11:32 PM CDT	TSTM WND DMG	Dewey, OK	LARGE TREE DOWN OVER ROAD
May 30, 11:40 PM CDT	TSTM WND GST 60	Ochelata, OK	ESTIMATED 60 MPH WIND GUST AND QUARTER SIZE HAIL. RELAYED THROUGH MEDIA.

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

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 30, 7:32 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 3.4 hours before the alert went out and 72 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: 1367 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1816 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

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

791 
WUUS54 KTSA 310324
SVRTSA
OKC113-117-147-310430-
/O.NEW.KTSA.SV.W.0103.120531T0324Z-120531T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1024 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA
  WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1130 PM CDT

* AT 1020 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 12 MILES NORTHEAST OF FORAKER TO 3 MILES NORTHEAST
  OF FAIRFAX TO 19 MILES WEST OF RALSTON...MOVING SOUTHEAST AT 40
  MPH.

  STORM HAZARDS INCLUDE...
  QUARTER SIZE HAIL...
  DAMAGING WIND GUSTS TO 70 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  FAIRFAX...PEARSONIA...RALSTON...BIGHEART...PAWHUSKA...SKEDEE...
  HULAH...PAWNEE...WYNONA...BLACKBURN...HOMINY...OSAGE HILLS STATE
  PARK...OKESA...COPAN...CLEVELAND...BARNSDALL...MARAMEC...DEWEY...
  OSAGE...BARTLESVILLE...HALLETT...WALNUT CREEK STATE PARK...AVANT...
  OCHELATA...JENNINGS...TERLTON...WESTPORT AND RAMONA.

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.

DAMAGING WINDS MAY OCCUR WELL AHEAD OF ANY RAIN OR HAIL. DO NOT WAIT
FOR THE SOUND OF THUNDER BEFORE TAKING COVER. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3699 9581 3651 9581 3641 9601 3619 9602
      3618 9683 3624 9683 3625 9693 3633 9694
      3633 9704 3651 9704 3656 9691 3658 9690
      3659 9705 3668 9707 3670 9704 3669 9695
      3675 9689 3675 9683 3679 9676 3701 9675
TIME...MOT...LOC 0324Z 313DEG 33KT 3699 9639 3659 9665
          3651 9704

$$

1 follow-up statement

350 
WWUS54 KTSA 310348
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1048 PM CDT WED MAY 30 2012

OKC113-117-147-310430-
/O.CON.KTSA.SV.W.0103.000000T0000Z-120531T0430Z/
OSAGE OK-PAWNEE OK-WASHINGTON OK-
1048 PM CDT WED MAY 30 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT
FOR WASHINGTON...PAWNEE AND OSAGE COUNTIES...

AT 1046 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF WAH SHA SHE STATE PARK TO WYNONA
TO RALSTON...MOVING SOUTHEAST AT 40 MPH.

STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WYNONA...
PERSHING...NELAGONEY...OSAGE HILLS STATE PARK...WAH SHA SHE STATE
PARK...PAWNEE...HULAH...SKEDEE...TALLANT...OKESA...BARNSDALL...
BLACKBURN...HOMINY...COPAN...MARAMEC...BARTLESVILLE...WOLCO...
DEWEY...AVANT...HALLETT...OCHELATA...CLEVELAND...OSAGE...RAMONA...
TERLTON...WALNUT CREEK STATE PARK AND WESTPORT.

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.

DAMAGING WINDS MAY OCCUR WELL AHEAD OF ANY RAIN OR HAIL. DO NOT WAIT
FOR THE SOUND OF THUNDER BEFORE TAKING COVER. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3699 9581 3651 9581 3641 9601 3619 9602
      3618 9683 3624 9683 3625 9693 3633 9694
      3633 9704 3651 9704 3656 9691 3658 9690
      3659 9705 3668 9707 3670 9704 3669 9695
      3675 9689 3675 9683 3679 9676 3701 9675
TIME...MOT...LOC 0348Z 313DEG 33KT 3696 9617 3655 9635
          3652 9672

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 9:25 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	65 min
May 30, 10:06 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	24 min
May 30, 11:06 PM CDT	Special Weather Statement	TSA	Craig, Nowata	39 min
May 30, 11:20 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Osage, Rogers, Washington	55 min
May 30, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	54 min
May 30, 11:44 PM CDT	Special Weather Statement	TSA	Tulsa	46 min
May 30, 11:51 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	24 min
May 31, 12:10 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Rogers	65 min
May 31, 12:13 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Rogers, Tulsa, Wagoner and 1 more	62 min
May 31, 12:20 AM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee	40 min
May 31, 12:50 AM CDT	Special Weather Statement	TSA	Cherokee, Delaware	40 min
May 31, 1:13 AM CDT	Special Weather Statement	TSA	McIntosh, Mayes, Muskogee, Okmulgee, Rogers, Wagoner	62 min
May 31, 1:17 AM CDT	Special Weather Statement	TSA	Craig	28 min
May 31, 1:26 AM CDT	Areal Flood Advisory	TSA	Creek, Rogers, Tulsa	109 min
May 31, 1:47 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Sequoyah, Wagoner	43 min
May 31, 2:16 AM CDT	Special Weather Statement	TSA	Adair, Cherokee	59 min
May 31, 2:17 AM CDT	Special Weather Statement	TSA	Delaware	58 min
May 31, 2:38 AM CDT	Special Weather Statement	TSA	Adair	67 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.