Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 443, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 9, 2009, 6:12 PM CDT for Wagoner County, Oklahoma. It was in force for 17 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
- Sep 9, 2009, 6:12 PM CDT (23:12 UTC)
- Expired
- Sep 9, 2009, 6:29 PM CDT
- In force
- 17 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Wagoner County, OK
The radar
The Tulsa radar (KINX), 24 km from the middle of the area, began a volume at 23:12 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
Springfield, MO (KSGF), launched 12:00Z, 11.2 hours before the alert went out and 186 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.
- Mixed-layer CAPE
- 268 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Sep 9, 3:50 PM CDT, 2 hours 22 minutes earlier.
Area forecast discussion, Sep 9, 3:50 PM CDT, 2 hours 22 minutes before
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</html>Hazardous weather outlook, Sep 9, 5:01 PM CDT, 1 hour 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 501 PM CDT WED SEP 9 2009 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- 435 PM CDT WED SEP 9 2009 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TONIGHT. SEVERE THUNDERSTORM. RISK...LIMITED. AREA...EAST OKLAHOMA AND NORTHWEST ARKANSAS. ONSET...ONGOING. FLASH FLOOD. RISK...LIMITED. AREA...SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS. ONSET...ONGOING. HEAVY RAIN. RISK...LIMITED. AREA...SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS. ONSET...ONGOING. DISCUSSION... MOIST AND SOMEWHAT UNSTABLE AIR REMAINS OVER THE REGION WITH FOCUS SHIFTING SOUTHWARD THIS EVENING. A FEW STORMS WILL CONTINUE TO FIRE BUT LACKING UPPER LEVEL SUPPORT MOST STORMS WILL FORM AND DISSIPATE FAIRLY QUICKLY THIS EVENING WITH BOUNDARY FROM DIURNAL HEATING IN NORTHEAST OKLAHOMA BECOMING VERY DIFFUSE DURING THE EVENING. ANOTHER CONVECTIVE COMPLEX IS EXPECTED TO FORM SOUTH OF LAST NIGHTS ALONG OR SOUTH OF INTERSTATE 40. BUT...WITH A MUCH WEAKER LOW LEVEL JET AND RAIN AMOUNTS ARE EXPECTED TO BE MUCH LESS AND IN AREAS THAT DID NOT RECEIVE HEAVY RAIN LAST NIGHT. A FEW STORMS COULD BE MARGINALLY SEVERE WITH WINDS AND HAIL BEING THE MORE OBVIOUS THREATS. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... LOCAL SPOTTER ACTIVATION MAY BE NEEDED. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THURSDAY THROUGH TUESDAY...THUNDERSTORM POTENTIAL. EXTENDED DISCUSSION... UNSETTLED WEATHER IS EXPECTED TO CONTINUE THROUGH EARLY NEXT WEEK WITH A CONTINUED WARM...MOIST AND UNSTABLE AIRMASS OVER THE REGION. THE THREAT OF HEAVY RAIN AND POSSIBILITY OF FLASH AND/OR RIVER FLOODING WILL CONTINUE TO BE OF A CONCERN. WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.
In the hours before
Special weather statement, Sep 9, 4:44 PM CDT, 1 hour 28 minutes before
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</html>Special weather statement, Sep 9, 5:11 PM CDT, 1 hour 1 minute before
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</html>Special weather statement, Sep 9, 5:31 PM CDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
531 PM CDT WED SEP 9 2009
OKZ060-064-092300-
CREEK OK-TULSA OK-
531 PM CDT WED SEP 9 2009
...SIGNIFICANT WEATHER ALERT...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 600 PM CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHEAST OKLAHOMA
EASTERN CREEK AND TULSA
AT 531 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
SAPULPA...MOVING EAST AT 10 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...TULSA...GRAY...JENKS...GLENPOOL...KIEFER...
KELLYVILLE AND SAPULPA.
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 3616 9597 3586 9594 3591 9622 3610 9624
TIME...MOT...LOC 2231Z 282DEG 9KT 3600 9613Special weather statement, Sep 9, 5:51 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
551 PM CDT WED SEP 9 2009
OKZ067-092330-
WAGONER OK-
551 PM CDT WED SEP 9 2009
...SIGNIFICANT WEATHER ALERT...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 630 PM CDT
FOR THE FOLLOWING COUNTY...
IN NORTHEAST OKLAHOMA
SOUTHERN WAGONER
AT 551 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
NORTHWEST OF CHOSKA...MOVING EAST AT 10 MPH. SOME LOCATIONS THAT WILL
BE AFFECTED BY THIS STORM INCLUDE...CHOSKA...PORTER AND REDBIRD.
THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
40 MPH.
LAT...LON 3597 9556 3584 9549 3581 9564 3584 9565
3586 9565 3586 9567 3592 9570
TIME...MOT...LOC 2251Z 251DEG 9KT 3586 9563The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 5:30 AM CDT | Areal Flood Advisory | TSA | Craig, Nowata | 90 min |
| Sep 9, 6:49 AM CDT | Areal Flood Advisory | TSA | Craig, Nowata, Ottawa, Rogers | 101 min |
| Sep 9, 8:25 AM CDT | River Flood Warning | TSA | Ottawa | 6 days |
| Sep 9, 8:55 AM CDT | Flash Flood Warning | TSA | Craig, Nowata, Ottawa | 4 hr |
| Sep 9, 12:40 PM CDT | Areal Flood Warning | TSA | Craig, Nowata, Ottawa | 6 hr |
| Sep 9, 1:54 PM CDT | River Flood Warning | TSA | Nowata | 66 hr |
| Sep 9, 2:10 PM CDT | River Flood Warning | TSA | Ottawa | 7 hr |
| Sep 9, 4:44 PM CDT | Special Weather Statement | TSA | Creek | 31 min |
| Sep 9, 5:11 PM CDT | Special Weather Statement | TSA | Wagoner | 34 min |
| Sep 9, 5:31 PM CDT | Special Weather Statement | TSA | Tulsa | 29 min |
| Sep 9, 5:51 PM CDT | Special Weather Statement | TSA | Wagoner | 39 min |
| Sep 9, 6:34 PM CDT | Areal Flood Advisory | TSA | Tulsa | 56 min |
| Sep 9, 6:58 PM CDT | Special Weather Statement | TSA | Wagoner | 32 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2009Every 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.