Alert archive / Oklahoma / Freezing Rain Advisories in 2007

Freezing Rain Advisory 2, NWS Tulsa, OK

December 8, 200718 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this freezing rain advisory at Dec 8, 2007, 12:05 PM CST for 18 counties in Oklahoma; 4 counties in Arkansas. It took effect at Dec 8, 2007, 9:26 PM CST. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued: Dec 8, 2007, 12:05 PM CST (18:05 UTC)
In effect from: Dec 8, 2007, 9:26 PM CST
Expired: Dec 10, 2007, 1:07 PM CST
In force: 40 hr
Issued by: NWS Tulsa, OK

All 22 counties

Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Haskell County, OK, Latimer County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 33 km from the middle of the area, began a volume at 18:08 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

Springfield, MO (KSGF), launched 12:00Z, 6.1 hours before the alert went out and 169 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: 19 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 359 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 462 m²/s²
0-3 km storm-relative helicity: 450 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freezing rain advisory 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 freezing rain advisory went out at Dec 8, 10:52 AM CST, 1 hour 13 minutes earlier.

Area forecast discussion, Dec 8, 10:52 AM CST, 1 hour 13 minutes before

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Hazardous weather outlook, Dec 8, 4:59 AM CST, 7 hours 6 minutes before

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Nearby

Freezing Rain Advisories in Oklahoma, 2007 Freezing Rain Advisories in Arkansas, 2007 Every freezing rain advisory 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.