Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 407, NWS Tulsa, OK

June 16, 2011Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 16, 2011, 11:17 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 15 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: Jun 16, 2011, 11:17 AM CDT (16:17 UTC)
Expired: Jun 16, 2011, 11:32 AM CDT
In force: 15 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 115 km from the middle of the area, began a volume at 16:19 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.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 3 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 4.3 hours before the alert went out and 66 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: 2811 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 189 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.

447 
WUUS54 KTSA 161617
SVRTSA
OKC113-117-161645-
/O.NEW.KTSA.SV.W.0407.110616T1617Z-110616T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1117 AM CDT THU JUN 16 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 1145 AM CDT

* AT 1115 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
  FAIRFAX...MOVING EAST AT 20 MPH.

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

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...RALSTON
  AND FAIRFAX.

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 3666 9665 3646 9667 3653 9687 3662 9688
TIME...MOT...LOC 1617Z 269DEG 17KT 3658 9681

$$

1 follow-up statement

535 
WWUS54 KTSA 161632
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1132 AM CDT THU JUN 16 2011

OKC113-117-161642-
/O.CAN.KTSA.SV.W.0407.000000T0000Z-110616T1645Z/
OSAGE OK-PAWNEE OK-
1132 AM CDT THU JUN 16 2011

...THE SEVERE THUNDERSTORM WARNING FOR PAWNEE AND WESTERN OSAGE
COUNTIES IS CANCELLED...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

LAT...LON 3666 9665 3646 9667 3653 9687 3662 9688
TIME...MOT...LOC 1632Z 269DEG 17KT 3658 9672

$$

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 16, 10:36 AM CDT, 41 minutes earlier.

Area forecast discussion, Jun 16, 10:36 AM CDT, 41 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1036 AM CDT THU JUN 16 2011

...UPDATE...

.DISCUSSION...
COMPACT MCV FROM THE EARLY MORNING MCS HAS AID IN STORM
REGENERATION ACROSS NORTHWEST ARKANSAS...ALONG WITH PRODUCING MORE
WIDESPREAD REPORTS OF OUTFLOW WINDS WARRANTING A SHORT FUSE WIND
ADVISORY. FURTHER WEST...THE 30-45KT LOW LEVEL JET HAS IMPACTED THE
RESIDUAL OUTFLOW BOUNDARY WITH RENEWED STORM DEVELOPMENT ALONG THE
WESTERN PORTION OF THE FORECAST AREA. AMPLE ELEVATED INSTABILITY
REMAINS PRESENT TO SUPPORT A RISK OF STRONG TO SEVERE STORMS. WILL
ADDRESS TEMPERATURE TRENDS IN FORTHCOMING UPDATES.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   94  77  99  78 /  60  10  10  10
FSM   94  72  99  73 /  60  10  10  10
MLC   95  75  98  76 /  20  10  10  10
BVO   94  73  98  74 /  60  10  10  10
FYV   91  72  93  73 /  90  10  10  10
BYV   91  71  93  72 /  50  10  10  10
MKO   94  73  97  74 /  60  10  10  10
MIO   92  74  95  75 /  30  10  10  10
F10   95  75  98  76 /  40  10  10  10
HHW   95  75  97  75 /  10  10  10  10

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...WIND ADVISORY UNTIL 2 PM THURSDAY FOR ARZ001-ARZ002-ARZ010-
     ARZ011-ARZ019-ARZ020.

&&

SHORT TERM...07

Hazardous weather outlook, Jun 16, 5:01 AM CDT, 6 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
501 AM CDT THU JUN 16 2011

ARZ001-002-010-011-019-020-029-OKZ049-053>076-171000-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
501 AM CDT THU JUN 16 2011

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING AND AGAIN LATE THIS AFTERNOON.

DANGEROUS HEAT.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...THIS AFTERNOON.

DISCUSSION...
A SMALL THUNDERSTORM COMPLEX CURRENTLY MOVING INTO NORTHEAST OKLAHOMA
WILL DECAY LATER THIS MORNING AS IT MOVES OFF TO THE SOUTHEAST. THIS
COMPLEX OF THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE WIND GUSTS
OF AROUND AROUND 70 MPH AND LARGE HAIL. ADDITIONAL THUNDERSTORMS WILL
BE POSSIBLE LATER TODAY ACROSS PORTIONS OF NORTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS IN THE VICINITY OF A WARM FRONT. THESE STORMS WILL
ALSO HAVE THE POTENTIAL FOR STRONG GUSTY WINDS.

HIGH TEMPERATURES THIS AFTERNOON WILL BE IN THE MID TO UPPER 90S
ACROSS MUCH OF EASTERN OKLAHOMA AND WEST-CENTRAL ARKANSAS THIS
AFTERNOON. TEMPERATURES WILL CLIMB INTO THE LOWER 90S ACROSS
NORTHWEST ARKANSAS. HEAT INDEX VALUES WILL BE BETWEEN 100 TO 105
ACROSS EASTERN OKLAHOMA AND WEST-CENTRAL ARKANSAS THIS AFTERNOON.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY...HIGH WIND POTENTIAL...DANGEROUS HEAT POTENTIAL.
SATURDAY AND SUNDAY...DANGEROUS HEAT POTENTIAL.
MONDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL.
TUESDAY AND WEDNESDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
HOT AND BREEZY CONDITIONS ARE EXPECTED FRIDAY AND OVER
THE WEEKEND AS HIGH PRESSURE PREVAILS AT THE SURFACE AND
ALOFT. THE CHANCES OF SHOWERS AND THUNDERSTORMS RETURN NEXT
WEEK AS THE UPPER LEVEL RIDGE BREAKS DOWN AND A COLD FRONT
MOVES INTO THE AREA.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Local storm report, Jun 16, 5:20 AM CDT, 5 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
520 AM CDT THU JUN 16 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0445 AM     TSTM WND GST     DRUMRIGHT               35.99N 96.60W
06/16/2011  E60 MPH          CREEK              OK   STORM CHASER

&&

MEP

Local storm report, Jun 16, 6:46 AM CDT, 4 hours 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE
646 AM CDT THU JUN 16 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0554 AM     TSTM WND GST     5 SSE HASKELL           35.75N 95.64W
06/16/2011  M58 MPH          MUSKOGEE           OK   MESONET

&&

JBM

Special weather statement, Jun 16, 7:11 AM CDT, 4 hours 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
711 AM CDT THU JUN 16 2011

ARZ001-010-OKZ063-161300-
BENTON AR-DELAWARE OK-WASHINGTON AR-
711 AM CDT THU JUN 16 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 800 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     SOUTHWESTERN BENTON AND WESTERN WASHINGTON

IN NORTHEAST OKLAHOMA
     SOUTHEASTERN DELAWARE

AT 709 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES WEST OF CHEROKEE CITY TO 8 MILES WEST OF
CINCINNATI TO 19 MILES WEST OF ODELL...MOVING EAST AT 35 MPH.

A LARGE PORTION OF THE ADVISORY AREA WILL BE AFFECTED BY THIS
LINE OF STORMS.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3605 9420 3576 9423 3576 9449 3612 9455
      3613 9456 3616 9456 3616 9458 3632 9469
      3637 9436
TIME...MOT...LOC 1209Z 269DEG 30KT 3633 9476 3606 9462
          3573 9473

Special weather statement, Jun 16, 7:19 AM CDT, 3 hours 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
719 AM CDT THU JUN 16 2011

OKZ070-071-074-161245-
HASKELL OK-MCINTOSH OK-MUSKOGEE OK-
719 AM CDT THU JUN 16 2011

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 745 AM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     NORTHERN HASKELL AND NORTHEASTERN MCINTOSH

IN EAST CENTRAL OKLAHOMA
     SOUTHEASTERN MUSKOGEE

AT 719 AM CDT...A STRONG THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST
OF WARNER...MOVING EAST AT 40 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...PORUM...WARNER AND WEBBERS FALLS.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH.

LAT...LON 3553 9549 3556 9514 3554 9513 3553 9514
      3550 9511 3536 9506 3535 9548
TIME...MOT...LOC 1219Z 266DEG 36KT 3544 9537

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 3:26 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	64 min
Jun 16, 4:28 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Osage, Pawnee, Tulsa	62 min
Jun 16, 5:27 AM CDT	Severe Thunderstorm Warning	TSA	Creek, McIntosh, Muskogee, Okfuskee, Okmulgee, Osage and 3 more	63 min
Jun 16, 6:05 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, McIntosh, Mayes, Muskogee, Rogers, Sequoyah and 1 more	55 min
Jun 16, 6:49 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	37 min
Jun 16, 7:19 AM CDT	Special Weather Statement	TSA	Muskogee	26 min
Jun 16, 11:36 AM CDT	Special Weather Statement	TSA	Osage	54 min
Jun 16, 1:01 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Washington	59 min
Jun 16, 1:18 PM CDT	Tornado Warning	TSA	Osage, Washington	27 min
Jun 16, 1:54 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers, Washington	51 min
Jun 16, 2:04 PM CDT	Special Weather Statement	TSA	Osage	26 min
Jun 16, 2:17 PM CDT	Special Weather Statement	TSA	Osage	28 min
Jun 16, 2:48 PM CDT	Special Weather Statement	TSA	Nowata, Rogers, Tulsa, Washington	57 min
Jun 16, 2:58 PM CDT	Special Weather Statement	TSA	Kay	32 min
Jun 16, 3:04 PM CDT	Special Weather Statement	TSA	Delaware	26 min
Jun 16, 3:11 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Mayes	28 min
Jun 16, 3:17 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Washington	28 min
Jun 16, 3:52 PM CDT	Special Weather Statement	TSA	Nowata	23 min
Jun 16, 3:54 PM CDT	Special Weather Statement	TSA	Washington	36 min
Jun 16, 4:06 PM CDT	Special Weather Statement	TSA	Delaware	24 min
Jun 16, 4:09 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	30 min
Jun 16, 4:38 PM CDT	Special Weather Statement	TSA	Washington	37 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2011 Every severe thunderstorm warning in 2011

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.