Alert archive / Oklahoma / Wind Advisories in 2017

Wind Advisory 13, NWS Norman, OK

October 30, 201710 counties in Oklahoma; 6 counties in Texas

NWS Norman, OK issued this wind advisory at Oct 30, 2017, 10:12 AM CDT for 10 counties in Oklahoma; 6 counties in Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2017, 10:12 AM CDT (15:12 UTC)
Expired
Oct 30, 2017, 2:00 PM CDT
In force
4 hr
Issued by
NWS Norman, OK

Counties Caddo County, OK, Comanche County, OK, Cotton County, OK, Grady County, OK, Greer County, OK, Jackson County, OK, Kiowa County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Baylor County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 11 km from the middle of the area, began a volume at 15:17 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, 3.2 hours before the alert went out and 165 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2017-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2017-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1655 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

637 
WWUS74 KOUN 301512
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1012 AM CDT Mon Oct 30 2017

OKZ022-023-027-034>039-044-TXZ083>088-301900-
/O.NEW.KOUN.WI.Y.0013.171030T1512Z-171030T1900Z/
Washita-Caddo-Grady-Greer-Kiowa-Jackson-Tillman-Comanche-Stephens-
Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-
Including the cities of Cordell, Burns Flat, Sentinel, Anadarko, 
Hinton, Chickasha, Tuttle, Mangum, Granite, Hobart, Snyder, 
Altus, Frederick, Lawton, Duncan, Walters, Temple, Quanah, 
Crowell, Vernon, Sheppard AFB, Wichita Falls, Munday, Knox City, 
and Seymour
1012 AM CDT Mon Oct 30 2017

...WIND ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON...

The National Weather Service in Norman has issued a Wind
Advisory, which is in effect until 2 PM CDT this afternoon. 

* TIMING...Late morning through early afternoon Monday.

* WINDS...Northeast 30 to 35 mph sustained and gusts 40 to 45 mph.

* IMPACTS...Driving on east-west roadways may be difficult for
  some high-profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds sustained at 30 mph or more are 
expected.

&&

$$

Nearby

Wind Advisories in Oklahoma, 2017Wind Advisories in Texas, 2017Every wind advisory in 2017

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.