Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 309, NWS Tulsa, OK

May 9, 2006Creek County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 9, 2006, 11:21 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 9, 2006, 11:21 PM CDT (04:21 UTC)
Expired: May 10, 2006, 12:15 AM CDT
In force: 54 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Creek County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 04:21 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 00:00Z, 4.4 hours before the alert went out and 143 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: 3059 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 313 m²/s²
Significant tornado parameter: 4.2
Supercell composite: 16.6

Open this sounding in Storm Lab

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 May 9, 10:47 PM CDT, 34 minutes earlier.

Area forecast discussion, May 9, 10:47 PM CDT, 34 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1047 PM CDT TUE MAY 9 2006

.MESOSCALE UPDATE...
THUNDERSTORMS HAVE BEGUN TO INCREASE ACROSS NORTHEAST OKLAHOMA
AND NORTHWEST ARKANSAS AS LIFT FROM THE MAIN SHORTWAVE APPROACHES.
THE CELL IN SOUTHEAST MAYES COUNTY IS MOVING LEFT OF THE MEAN
MOVEMENT AND ENCOUNTERING -130 M2/S2 HELICITY.  THE STORM APPEARS
ELEVATED AND IS LIKELY BECOMING AN ANTI-CYCLONIC SUPERCELL...MAKING
IT AN EFFECIENT HAIL PRODUCER.

THUNDERSTORMS SHOULD CONTINUE TO INCREASE IN NORTHEAST OKLAHOMA
AND NORTHWEST ARKANSAS AS THE MAIN UPPER SUPPORT APPROACHES.
DEEP-LAYER SHEAR AND STEEP LAPSE RATES WILL SUPPORT A WIND AND HAIL
THREAT WITH THESE STORMS.

SOUTHEAST OKLAHOMA AND WEST-CENTRAL ARKANSAS HAVE BEEN WORKED OVER
FOR NOW...BUT ADDITIONAL STORMS SHOULD MOVE INTO THESE AREAS LATE
TONIGHT FROM THE WEST WITH A RENEWED WIND AND HAIL THREAT.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH UNTIL 1 PM WEDNESDAY FOR OKZ049-OKZ053-OKZ054-
     OKZ055-OKZ056-OKZ057-OKZ058-OKZ059-OKZ060-OKZ061-OKZ062-
     OKZ063-OKZ064-OKZ065-OKZ066-OKZ067-OKZ068-OKZ069-OKZ070-
     OKZ071-OKZ072-OKZ073-OKZ074-OKZ075-OKZ076.

AR...FLASH FLOOD WATCH UNTIL 1 PM WEDNESDAY FOR ARZ001-ARZ002-ARZ010-
     ARZ011-ARZ019-ARZ020-ARZ029.

&&

Hazardous weather outlook, May 9, 11:11 PM CDT, 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1111PM CDT TUE MAY 9 2006

ARZ001-002-010-011-019-020-029-OKZ049-053>076-101000-
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-
1111 PM CDT TUE MAY 9 2006

...SEVERE THUNDERSTORM WATCH FOR SOUTHERN PARTS OF EASTERN OKLAHOMA
TONIGHT...
...FLASH FLOOD WATCH IN EFFECT FOR ALL OF THE AREA TONIGHT AND
WEDNESDAY MORNING...

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

.DAY ONE...TONIGHT.

TORNADO.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

	AREA AT GREATEST RISK...SOUTHEAST OKLAHOMA.

FLASH FLOOD.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

HEAVY RAIN.
	RISK...LIMITED.
	AREA...SOUTHEAST OKLAHOMA.
	ONSET...ONGOING.

DISCUSSION...
A LARGE COMPLEX OF STORMS THAT FORMED ACROSS THE AREA DURING THE
EVENING REMAINS ONGOING OVER THE EASTERN PART OF THE AREA.
OCCASIONAL REPORTS OF SEVERE WEATHER CONTINUE WITH THIS ACTIVITY.
THESE STORMS SHOULD MOVE TO THE SOUTH AND EAST OF THE AREA DURING
THE FIRST PART OF THE NIGHT.

MEANWHILE...ADDITIONAL THUNDERSTORMS DEVELOPED DURING THE EVENING
WELL TO THE WEST OF THE AREA...AND THIS COMPLEX OF STORMS WILL BRING
THE THREAT OF ADDITIONAL SEVERE WEATHER...MAINLY TO SOUTHEAST
OKLAHOMA DURING THE OVERNIGHT HOURS.  LARGE HAIL AND DAMAGING WINDS
WILL BE THE PRIMARY THREAT WITH THIS COMPLEX OF STORMS AS IT TRACKS
GENERALLY ALONG AND NEAR THE RED RIVER VALLEY THROUGH MORNING.
IN ADDITION...VERY HEAVY RAINFALL WILL BE LIKELY IN THE STRONGER
STORMS WITH FLASH FLOODING POSSIBLE. A FLASH FLOOD WATCH IS IN
EFFECT FOR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS TONIGHT.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY...THUNDERSTORM POTENTIAL.
THURSDAY...NO HAZARDS.
FRIDAY...NO HAZARDS.
SATURDAY...THUNDERSTORM POTENTIAL.
SUNDAY...THUNDERSTORM POTENTIAL.
MONDAY...NO HAZARDS.

EXTENDED DISCUSSION...
THUNDERSTORMS COULD REMAIN ACROSS THE AREA WEDNESDAY MORNING BUT
HIGH PRESSURE WILL BRING DRY WEATHER TO THE AREA FOR THURSDAY AND
FRIDAY. THUNDERSTORMS WILL THEN RETURN FOR THE WEEKEND AS ANOTHER
COLD FRONT APPROACHES THE AREA.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

In the hours before

Local storm report, May 9, 10:04 PM CDT, 1 hour 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1004 PM CDT TUE MAY 09 2006

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

0950 PM     TSTM WND GST     2 NW HUGO               34.03N 95.53W
05/09/2006  M65 MPH          CHOCTAW            OK   MESONET

&&

SFP

Local storm report, May 9, 10:20 PM CDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1020 PM CDT TUE MAY 09 2006

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

1015 PM     HAIL             1 W HUGO                34.01N 95.53W
05/09/2006  E0.88 INCH       CHOCTAW            OK   PUBLIC

&&

SFP

Local storm report, May 9, 10:25 PM CDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1025 PM CDT TUE MAY 09 2006

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

1018 PM     HAIL             10 NE WAGONER           36.06N 95.24W
05/09/2006  E0.88 INCH       WAGONER            OK   EMERGENCY MNGR

&&

NMK

Local storm report, May 9, 10:43 PM CDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1043 PM CDT TUE MAY 09 2006

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

1042 PM     HAIL             LOCUST GROVE            36.20N 95.17W
05/09/2006  E0.88 INCH       MAYES              OK   EMERGENCY MNGR

&&

NMK

Local storm report, May 9, 10:48 PM CDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1048 PM CDT TUE MAY 09 2006

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

1045 PM     HAIL             LOCUST GROVE            36.20N 95.17W
05/09/2006  E1.00 INCH       MAYES              OK   EMERGENCY MNGR

&&

NMK

Local storm report, May 9, 10:50 PM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1050 PM CDT TUE MAY 09 2006

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

1046 PM     TSTM WND GST     4 W LOCUST GROVE        36.20N 95.24W
05/09/2006  E60 MPH          MAYES              OK   EMERGENCY MNGR

            AT MILE MARKER 1 ON TURNPIKE

&&

NMK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:10 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	80 min
May 9, 7:10 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	65 min
May 9, 7:14 PM CDT	Tornado Warning	TSA	Sequoyah	61 min
May 9, 7:33 PM CDT	Flash Flood Warning	TSA	Pittsburg	117 min
May 9, 7:41 PM CDT	Tornado Warning	TSA	Latimer	49 min
May 9, 7:44 PM CDT	Tornado Warning	TSA	Pittsburg	31 min
May 9, 7:51 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	84 min
May 9, 7:54 PM CDT	Tornado Warning	TSA	LeFlore	66 min
May 9, 7:57 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	63 min
May 9, 7:58 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	31 min
May 9, 8:12 PM CDT	Tornado Warning	TSA	Sequoyah	33 min
May 9, 8:28 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	92 min
May 9, 8:31 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	29 min
May 9, 8:56 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	19 min
May 9, 8:58 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Sequoyah	62 min
May 9, 9:10 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	95 min
May 9, 9:20 PM CDT	Flash Flood Warning	TSA	Choctaw, LeFlore, Pushmataha	115 min
May 9, 9:53 PM CDT	Flash Flood Warning	TSA	Sequoyah	67 min
May 9, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Wagoner	76 min
May 9, 11:02 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	88 min
May 10, 12:00 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	60 min
May 10, 12:21 AM CDT	Severe Thunderstorm Warning	TSA	Creek	54 min
May 10, 12:59 AM CDT	Severe Thunderstorm Warning	TSA	Wagoner	46 min
May 10, 1:11 AM CDT	Severe Thunderstorm Warning	TSA	Creek	64 min
May 10, 1:19 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	71 min
May 10, 1:20 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	55 min
May 10, 2:04 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	56 min
May 10, 2:09 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	27 min
May 10, 2:18 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh	34 min
May 10, 3:32 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	58 min
May 10, 3:42 AM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	48 min
May 10, 3:52 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	53 min
May 10, 4:26 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	32 min
May 9, 8:53 PM CDT	Tornado Warning	TSA	Sebastian	57 min
May 9, 9:26 PM CDT	Flash Flood Warning	TSA	Sebastian	3 hr
May 9, 9:46 PM CDT	Flash Flood Warning	TSA	Franklin	119 min
May 9, 9:53 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	32 min
May 9, 11:09 PM CDT	Severe Thunderstorm Warning	TSA	Benton	66 min
May 10, 3:44 AM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2006 Every severe thunderstorm warning in 2006

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.