Alert archive / Oklahoma / Special Weather Statements in 2007

Special Weather Statement, NWS Tulsa, OK

October 2, 2007Haskell County, Sequoyah County, Oklahoma; Crawford County, Franklin County, Arkansas

NWS Tulsa, OK issued this special weather statement at Oct 2, 2007, 11:09 PM CDT for Haskell County, Sequoyah County, Oklahoma; Crawford County, Franklin County, Arkansas. It was in force for 66 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: Oct 2, 2007, 11:09 PM CDT (04:09 UTC)
Expired: Oct 3, 2007, 12:15 AM CDT
In force: 66 min
Issued by: NWS Tulsa, OK

Counties Crawford County, AR, Franklin County, AR, Haskell County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 14 km from the middle of the area, began a volume at 04:09 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, 4.2 hours before the alert went out and 266 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: 1431 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1527 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Oct 2, 5:42 PM CDT, 5 hours 27 minutes earlier.

Area forecast discussion, Oct 2, 5:42 PM CDT, 5 hours 27 minutes before

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Hazardous weather outlook, Oct 2, 4:26 PM CDT, 6 hours 43 minutes before

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In the hours before

Special weather statement, Oct 2, 5:57 PM CDT, 5 hours 12 minutes before

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Special weather statement, Oct 2, 6:58 PM CDT, 4 hours 11 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 7:55 PM CDT	Special Weather Statement	TSA	Adair, Cherokee, Creek, Delaware, McIntosh, Mayes and 5 more	65 min
Oct 2, 8:56 PM CDT	Special Weather Statement	TSA	Adair, Cherokee, Muskogee	64 min
Oct 2, 8:57 PM CDT	Flash Flood Watch	TSA	Adair, Cherokee, Delaware, Muskogee, Wagoner	7 hr
Oct 2, 9:51 PM CDT	Special Weather Statement	TSA	Adair, Muskogee, Sequoyah	54 min
Oct 2, 10:32 PM CDT	Special Weather Statement	TSA	Sequoyah	43 min
Oct 3, 4:07 AM CDT	Flash Flood Warning	TSA	LeFlore, Sequoyah	3 hr
Oct 3, 4:51 AM CDT	Flash Flood Warning	TSA	Franklin, Sebastian	114 min

Nearby

Special Weather Statements in Oklahoma, 2007 Special Weather Statements in Arkansas, 2007 Every special weather statement in 2007

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.