Alert archive / Oklahoma / Wind Advisories in 2017

Wind Advisory 3, NWS Norman, OK

February 11, 201723 counties in Oklahoma; 8 counties in Texas

NWS Norman, OK issued this wind advisory at Feb 11, 2017, 2:41 PM CST for 23 counties in Oklahoma; 8 counties in Texas. It took effect at Feb 12, 2017, 3:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2017, 2:41 PM CST (20:41 UTC)
In effect from
Feb 12, 2017, 3:00 AM CST
Expired
Feb 12, 2017, 3:00 PM CST
In force
12 hr
Issued by
NWS Norman, OK
All 31 counties

Beckham County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Love County, OK, McClain County, OK, Murray County, OK, Oklahoma County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 47 km from the middle of the area, began a volume at 20:47 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, 8.7 hours before the alert went out and 126 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 2017-02-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2017-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 292 square meters per square second.193958Sfc1 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
2490 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
292 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

957 
WWUS74 KOUN 112041
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
241 PM CST Sat Feb 11 2017

OKZ014-016-021>025-027>029-033>041-044>046-050-TXZ083>090-121200-
/O.NEW.KOUN.WI.Y.0003.170212T0900Z-170212T2100Z/
Roger Mills-Custer-Beckham-Washita-Caddo-Canadian-Oklahoma-Grady-
McClain-Cleveland-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-
Stephens-Garvin-Murray-Cotton-Jefferson-Carter-Love-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
Including the cities of...Cheyenne...Hammon...Weatherford...
Clinton...Elk City...Sayre...Cordell...Burns Flat...Sentinel...
Anadarko...Hinton...Yukon...Concho...El Reno...Mustang...
Oklahoma City...Chickasha...Tuttle...Purcell...Newcastle...
Blanchard...Norman...Moore...Hollis...Mangum...Granite...Hobart...
Snyder...Altus...Frederick...Lawton...Duncan...Pauls Valley...
Lindsay...Wynnewood...Sulphur...Davis...Walters...Temple...
Waurika...Ringling...Ryan...Ardmore...Marietta...Thackerville...
Quanah...Crowell...Vernon...Sheppard AFB...Wichita Falls...
Munday...Knox City...Seymour...Archer City...Holliday...
Lakeside City...Scotland...Henrietta
241 PM CST Sat Feb 11 2017

...WIND ADVISORY IN EFFECT FROM 3 AM TO 3 PM CST SUNDAY...

The National Weather Service in Norman has issued a Wind
Advisory...which is in effect from 3 AM to 3 PM CST Sunday. 

* TIMING...Late tonight through Sunday afternoon.

* WINDS...North winds 25 to 35 mph with frequent gusts over 40
  mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
278 
WWUS74 KOUN 120921
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
321 AM CST Sun Feb 12 2017

OKZ014-016-021>025-027>029-033>041-044>046-050-TXZ083>090-122100-
/O.CON.KOUN.WI.Y.0003.000000T0000Z-170212T2100Z/
Roger Mills-Custer-Beckham-Washita-Caddo-Canadian-Oklahoma-Grady-
McClain-Cleveland-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-
Stephens-Garvin-Murray-Cotton-Jefferson-Carter-Love-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
Including the cities of...Cheyenne...Hammon...Weatherford...
Clinton...Elk City...Sayre...Cordell...Burns Flat...Sentinel...
Anadarko...Hinton...Yukon...Concho...El Reno...Mustang...
Oklahoma City...Chickasha...Tuttle...Purcell...Newcastle...
Blanchard...Norman...Moore...Hollis...Mangum...Granite...Hobart...
Snyder...Altus...Frederick...Lawton...Duncan...Pauls Valley...
Lindsay...Wynnewood...Sulphur...Davis...Walters...Temple...
Waurika...Ringling...Ryan...Ardmore...Marietta...Thackerville...
Quanah...Crowell...Vernon...Sheppard AFB...Wichita Falls...
Munday...Knox City...Seymour...Archer City...Holliday...
Lakeside City...Scotland...Henrietta
321 AM CST Sun Feb 12 2017
of
...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...through 3 pm this afternoon. The strongest winds will
  occur between 9 am and 3 pm today.

* WINDS...North winds 25 to 35 mph with frequent gusts 40 to 50
  mph. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that numerous wind gusts between 40 and 57 
mph are expected. Winds this strong can make driving difficult...
especially for high profile vehicles. Use extra caution.

&&

$$

MBS

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.