Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 380, NWS Tulsa, OK

August 5, 2009Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 5, 2009, 9:05 AM CDT for Pushmataha County, Oklahoma. It was in force for 27 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: Aug 5, 2009, 9:05 AM CDT (14:05 UTC)
Expired: Aug 5, 2009, 9:32 AM CDT
In force: 27 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 134 km from the middle of the area, began a volume at 14:08 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 12:00Z, 2.1 hours before the alert went out and 205 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: 962 J/kg
Mixed-layer CIN: -399 J/kg
Mixed-layer LCL: 1990 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Aug 5, 6:10 AM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, Aug 5, 6:10 AM CDT, 2 hours 55 minutes before

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Hazardous weather outlook, Aug 5, 5:06 AM CDT, 3 hours 59 minutes before

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In the hours before

Special weather statement, Aug 5, 8:49 AM CDT, 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
849 AM CDT WED AUG 5 2009

OKZ049-051430-
PUSHMATAHA OK-
849 AM CDT WED AUG 5 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 930 AM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     CENTRAL PUSHMATAHA

AT 849 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
TUSKAHOMA...MOVING SOUTH AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...CLAYTON...SNOW...NASHOBA...
TUSKAHOMA...KIAMICHI AND SARDIS.

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 3436 9543 3469 9543 3469 9516 3447 9503
      3441 9503
TIME...MOT...LOC 1349Z 346DEG 15KT 3463 9528

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 8:49 AM CDT	Special Weather Statement	TSA	Pushmataha	41 min
Aug 5, 1:21 PM CDT	Special Weather Statement	TSA	Latimer	24 min
Aug 5, 2:28 PM CDT	Special Weather Statement	TSA	Choctaw	47 min
Aug 5, 3:17 PM CDT	Special Weather Statement	TSA	Creek	43 min
Aug 5, 3:25 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	23 min
Aug 5, 4:49 PM CDT	Special Weather Statement	TSA	Cherokee	41 min
Aug 5, 4:57 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	49 min
Aug 5, 5:25 PM CDT	Areal Flood Advisory	TSA	Cherokee	65 min
Aug 5, 6:22 PM CDT	Special Weather Statement	TSA	Latimer	38 min
Aug 5, 6:31 PM CDT	Special Weather Statement	TSA	Adair	44 min
Aug 5, 6:39 PM CDT	Severe Thunderstorm Warning	TSA	Adair	51 min
Aug 5, 6:52 PM CDT	Special Weather Statement	TSA	Pushmataha	38 min
Aug 5, 3:41 PM CDT	Special Weather Statement	TSA	Sebastian	34 min
Aug 5, 3:53 PM CDT	Severe Thunderstorm Warning	TSA	Madison	37 min
Aug 5, 4:10 PM CDT	Special Weather Statement	TSA	Sebastian	35 min
Aug 5, 4:13 PM CDT	Severe Thunderstorm Warning	TSA	Madison	47 min
Aug 5, 4:17 PM CDT	Special Weather Statement	TSA	Sebastian	28 min
Aug 5, 4:27 PM CDT	Flash Flood Warning	TSA	Madison	5 hr
Aug 5, 4:31 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	44 min
Aug 5, 4:47 PM CDT	Areal Flood Advisory	TSA	Crawford, Franklin, Sebastian	58 min
Aug 5, 4:54 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Washington	66 min
Aug 5, 5:07 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	68 min
Aug 5, 5:23 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Washington	37 min
Aug 5, 5:28 PM CDT	Flash Flood Warning	TSA	Crawford, Franklin, Sebastian	6 hr
Aug 5, 5:59 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Madison, Washington	61 min
Aug 5, 6:02 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin	58 min
Aug 5, 6:09 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian, Washington	66 min
Aug 5, 6:21 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Crawford, Franklin, Madison, Washington	54 min
Aug 5, 6:28 PM CDT	Areal Flood Advisory	TSA	Benton, Madison, Washington	62 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.