Alert archive / Oklahoma / Freeze Watches in 2007

Freeze Watch 9, NWS Tulsa, OK

November 14, 200714 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this freeze watch at Nov 14, 2007, 10:45 AM CST for 14 counties in Oklahoma; 4 counties in Arkansas. It took effect at Nov 14, 2007, 2:36 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Nov 14, 2007, 10:45 AM CST (16:45 UTC)
In effect from: Nov 14, 2007, 2:36 PM CST
Expired: Nov 15, 2007, 3:35 AM CST
In force: 13 hr
Issued by: NWS Tulsa, OK

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, Muskogee County, OK, Nowata County, OK, Ottawa County, OK, Pushmataha County, OK, Rogers County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 57 km from the middle of the area, began a volume at 16:45 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, 4.8 hours before the alert went out and 141 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: 150 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze watch 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 freeze watch went out at Nov 14, 8:47 AM CST, 1 hour 58 minutes earlier.

Area forecast discussion, Nov 14, 8:47 AM CST, 1 hour 58 minutes before

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Hazardous weather outlook, Nov 14, 5:03 AM CST, 5 hours 42 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
Nov 14, 10:45 AM CST	Freeze Watch	TSA	Craig, Delaware, Nowata, Ottawa, Pawnee, Washington	4 hr
Nov 14, 2:36 PM CST	Freeze Warning	TSA	Craig, Delaware, Nowata, Ottawa, Pawnee, Washington	18 hr

Nearby

Freeze Watches in Oklahoma, 2007 Freeze Watches in Arkansas, 2007 Every freeze watch 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.