Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 357, NWS Tulsa, OK

July 16, 2009Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 16, 2009, 2:14 PM CDT for Osage County, Oklahoma. It was in force for 61 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: Jul 16, 2009, 2:14 PM CDT (19:14 UTC)
Expired: Jul 16, 2009, 3:15 PM CDT
In force: 61 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 19:15 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

Lamont, OK (KLMN), launched 12:00Z, 7.2 hours before the alert went out and 97 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: 2015 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: -48 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 16, 12:31 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 16, 12:31 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 16, 12:59 PM CDT, 1 hour 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1259 PM CDT THU JUL 16 2009

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-
100 PM CDT THU JUL 16 2009

...INCREASING THUNDERSTORM CHANCES AS A COLD FRONT PASSES...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SEVERE THUNDERSTORM.
RISK...ELEVATED.
AREA...PRIMARILY ALONG AND NORTH OF INTERSTATE 40.
ONSET...AFTER 2 PM...INCREASING AFTER 6 PM.

FLASH FLOOD.
RISK...ELEVATED.
AREA...WEST OF HIGHWAY 75.
ONSET...AFTER 6 PM.

HEAVY RAIN.
RISK...LIMITED.
AREA...ALL EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...AFTER 6 PM.

DANGEROUS HEAT.
RISK...LIMITED.
AREA...FAR SOUTHEAST OKLAHOMA.
ONSET...ONGOING.

DISCUSSION...
SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON
IN VICINITY OF AN OUTFLOW BOUNDARY NEAR THE INTERSTATE 40 CORRIDOR.
ISOLATED SEVERE WEATHER IS POSSIBLE WITH ANY OF THESE STORMS.
AN APPROACHING COLD FRONT WILL FOCUS ANOTHER ROUND OF EVENING AND
OVERNIGHT THUNDERSTORMS...WITH THE DEVELOPING STORM COMPLEX
TRACKING FROM NORTH TO SOUTH ACROSS THE FORECAST AREA.  INCREASING
WINDS ALOFT AND AMPLE DIRECTIONAL SHEAR WILL SUPPORT ORGANIZATION
WITHIN THE STORM COMPLEX...WHICH WILL LIKELY LEAD A WELL DEVELOPED
GUST FRONT AND ASSOCIATED DAMAGING WINDS.  LARGE HAIL WILL ALSO
BE POSSIBLE ESPECIALLY WITHIN THE EARLIER STAGES OF THE STORM
COMPLEX.  LOCALLY HEAVY RAIN IS POSSIBLE...AND GIVEN THE RECENT
HEAVY RAINS WEST OF HIGHWAY 75...A LIMITED RISK OF FLASH FLOODING
HAS DEVELOPED.

AHEAD OF THE FRONT EXCESSIVE HEAT CONTINUES ACROSS FAR SOUTHEAST
OKLAHOMA WITH HEAT INDEX VALUES NEAR 105 DEGREES.  COOLER AND
DRIER WEATHER IS EXPECTED AREAWIDE BY FRIDAY AFTERNOON.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
ACTIVATION OF THE REGIONAL SPOTTER NETWORK IS LIKELY PRIMARILY
THIS EVENING AND OVERNIGHT.

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

EXTENDED DISCUSSION...
THUNDERSTORMS WILL BE ONGOING EARLY FRIDAY AS THE COLD FRONT
CONTINUES SOUTHWARD THROUGH THE AREA.  DRY AND NOTICEABLY COOLER
WEATHER IS EXPECTED OVER THE WEEKEND...WITH THUNDERSTORM CHANCES
RETURNING EARLY NEXT WEEK.

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

In the hours before

Local storm report, Jul 16, 12:57 PM CDT, 1 hour 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1257 PM CDT THU JUL 16 2009

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

0920 PM     TSTM WND DMG     BLACKBURN               36.37N 96.60W
07/15/2009                   PAWNEE             OK   LAW ENFORCEMENT

            REPORTS OF WIND DAMAGE IN AND AROUND BLACKBURN...ALONG
            WITH POWER OUTAGES. REPORTED BY CLEVELAND POLICE DEPT.

1005 PM     TSTM WND GST     3 WSW JENNINGS          36.16N 96.62W
07/15/2009  E65.00 MPH       CREEK              OK   FIRE DEPT/RESCUE

1010 PM     TSTM WND DMG     JENNINGS                36.18N 96.57W
07/15/2009                   PAWNEE             OK   PUBLIC

            SHINGLES BLOWN OFF SEVERAL HOMES. SOME TREE LIMBS DOWN.
            ESTIMATED WINDS OF 55 TO 60 MPH.

1015 PM     TSTM WND DMG     OILTON                  36.08N 96.58W
07/15/2009                   CREEK              OK   LAW ENFORCEMENT

            EXTENSIVE WIND DAMAGE IN TOWN...METAL CARPORT ROOF BLOWN
            ACROSS ROAD...STREET SIGN BLOWN OVER...METAL REPLICA OIL
            WELL AT CEMETARY SEVERELY DAMAGED.

1020 PM     TSTM WND DMG     S OILTON                36.08N 96.58W
07/15/2009                   CREEK              OK   LAW ENFORCEMENT

            NUMEROUS LARGE TREE LIMBS DOWN BETWEEN OILTON AND
            DRUMRIGHT...REPORTED BY OILTON POLICE.

1025 PM     TSTM WND DMG     MANNFORD                36.13N 96.35W
07/15/2009                   CREEK              OK   PUBLIC

            LARGE TREE LIMBS BROKEN AND DOWN. IRON LAWN FURNITURE
            BLOWN ACROSS STREET.

1025 PM     TSTM WND DMG     DRUMRIGHT               35.99N 96.60W
07/15/2009                   CREEK              OK   LAW ENFORCEMENT

            PART OF METAL SHED ROOF BLOWN OFF.

1250 AM     TSTM WND DMG     BURBANK                 36.69N 96.73W
07/16/2009                   OSAGE              OK   EMERGENCY MNGR

            2 INCH DIAMETER LIMBS DOWN.

1254 AM     TSTM WND DMG     HOMINY                  36.41N 96.39W
07/16/2009                   OSAGE              OK   EMERGENCY MNGR

            SEVERAL UTILITY POLES DOWN ALONG A 1/2 MILE STRETCH.

0200 AM     TSTM WND DMG     OAK GROVE               36.46N 93.45W
07/16/2009                   CARROLL            AR   POST OFFICE

            ROOF DAMAGE AND SEVERAL LARGE LIMBS DOWN.

&&

CAS

Special weather statement, Jul 16, 2:05 PM CDT, 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT THU JUL 16 2009

OKZ054-055-162000-
OSAGE OK-WASHINGTON OK-
205 PM CDT THU JUL 16 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 300 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     WASHINGTON AND NORTHEASTERN OSAGE

AT 205 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 8 MILES
NORTHWEST OF BIGHEART...MOVING EAST AT 20 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...BIGHEART...HULAH...
BARTLESVILLE...DEWEY AND COPAN.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3695 9581 3690 9581 3669 9589 3686 9648
      3700 9644 3700 9619
TIME...MOT...LOC 1905Z 285DEG 17KT 3693 9634

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 8:56 PM CDT	Special Weather Statement	TSA	Pawnee	34 min
Jul 15, 9:04 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
Jul 15, 9:39 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	66 min
Jul 15, 10:12 PM CDT	Severe Thunderstorm Warning	TSA	Creek	63 min
Jul 15, 10:24 PM CDT	Special Weather Statement	TSA	Tulsa	51 min
Jul 15, 10:34 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Tulsa	36 min
Jul 15, 10:42 PM CDT	Special Weather Statement	TSA	Pawnee	63 min
Jul 15, 11:27 PM CDT	Special Weather Statement	TSA	Tulsa	63 min
Jul 15, 11:58 PM CDT	Special Weather Statement	TSA	Osage	62 min
Jul 16, 12:43 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	62 min
Jul 16, 12:53 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	67 min
Jul 16, 1:49 AM CDT	Severe Thunderstorm Warning	TSA	Craig	39 min
Jul 16, 2:02 AM CDT	Special Weather Statement	TSA	Creek	58 min
Jul 16, 2:55 AM CDT	Areal Flood Advisory	TSA	Creek, Osage, Pawnee, Tulsa	65 min
Jul 16, 2:05 PM CDT	Special Weather Statement	TSA	Washington	55 min
Jul 16, 2:54 PM CDT	Special Weather Statement	TSA	Haskell, LeFlore	66 min
Jul 16, 3:02 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	58 min
Jul 16, 3:09 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	21 min
Jul 16, 3:25 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore	50 min
Jul 16, 3:43 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Pushmataha	62 min
Jul 16, 3:47 PM CDT	Special Weather Statement	TSA	Ottawa	28 min
Jul 16, 4:18 PM CDT	Special Weather Statement	TSA	LeFlore	27 min
Jul 16, 4:36 PM CDT	Special Weather Statement	TSA	Pushmataha	24 min
Jul 16, 4:56 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	64 min
Jul 16, 5:52 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	53 min
Jul 16, 6:03 PM CDT	Special Weather Statement	TSA	Choctaw	27 min
Jul 16, 6:11 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	64 min
Jul 16, 6:47 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	58 min
Jul 15, 7:18 PM CDT	Special Weather Statement	TSA	Madison	27 min
Jul 15, 7:33 PM CDT	Severe Thunderstorm Warning	TSA	Madison	21 min
Jul 16, 1:02 AM CDT	Special Weather Statement	TSA	Carroll	43 min
Jul 16, 1:06 AM CDT	Special Weather Statement	TSA	Carroll	39 min
Jul 16, 1:30 AM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll	60 min
Jul 16, 2:57 AM CDT	Severe Thunderstorm Warning	TSA	Carroll	48 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2009 Every severe thunderstorm warning in 2009

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.