Alert archive / Oklahoma / Ice Storm Warnings in 2015

Ice Storm Warning 2, NWS Norman, OK

November 26, 201533 counties in Oklahoma; 4 counties in Texas

NWS Norman, OK issued this ice storm warning at Nov 26, 2015, 4:25 AM CST for 33 counties in Oklahoma; 4 counties in Texas. It took effect at Nov 26, 2015, 6:00 PM CST. It was in force for 58 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 26, 2015, 4:25 AM CST (10:25 UTC)
In effect from: Nov 26, 2015, 6:00 PM CST
Expired: Nov 29, 2015, 3:47 AM CST
In force: 58 hr
Issued by: NWS Norman, OK

All 37 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Foard County, TX, Hardeman County, TX, Knox County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 115 km from the middle of the area, began a volume at 10:23 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

Dodge City, (KDDC), launched 00:00Z, 10.4 hours before the alert went out and 280 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2379 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 224 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this ice storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this ice storm warning went out at Nov 25, 11:12 PM CST, 5 hours 13 minutes earlier.

Area forecast discussion, Nov 25, 11:12 PM CST, 5 hours 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 26, 4:25 AM CST	Winter Storm Watch	OUN	Cleveland, Comanche, Grady, Logan, McClain, Noble and 2 more	12 hr
Nov 26, 8:47 AM CST	River Flood Warning	OUN	Pottawatomie, Seminole	35 hr
Nov 26, 8:49 AM CST	River Flood Warning	OUN	Love	71 hr
Nov 26, 8:50 AM CST	River Flood Warning	OUN	Carter, Johnston, Murray	71 hr
Nov 26, 8:51 AM CST	River Flood Warning	OUN	Bryan	4 days
Nov 26, 2:49 PM CST	River Flood Warning	OUN	Atoka, Bryan	5 days
Nov 26, 4:09 PM CST	Winter Weather Advisory	OUN	Carter, Cleveland, Comanche, Cotton, Garvin, Grady and 11 more	43 hr

Nearby

Ice Storm Warnings in Oklahoma, 2015 Ice Storm Warnings in Texas, 2015 Every ice storm warning in 2015

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.