Alert archive / Oklahoma / Wind Advisories in 2020

Wind Advisory 13, NWS Norman, OK

October 22, 202016 counties in Oklahoma

NWS Norman, OK issued this wind advisory at Oct 22, 2020, 11:14 AM CDT for 16 counties in Oklahoma. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Oct 22, 2020, 11:14 AM CDT (16:14 UTC)
Expired: Oct 22, 2020, 10:08 PM CDT
In force: 11 hr
Issued by: NWS Norman, OK

Counties Alfalfa County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 60 km from the middle of the area, began a volume at 16:12 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, 4.2 hours before the alert went out and 155 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: 767 J/kg
Mixed-layer CIN: -125 J/kg
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

515 
WWUS74 KOUN 221614
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1114 AM CDT Thu Oct 22 2020

OKZ004>019-230500-
/O.NEW.KOUN.WI.Y.0013.201022T1614Z-201023T0500Z/
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-
Including the cities of Buffalo, Laverne, Alva, Cherokee, Helena,
Carmen, Medford, Pond Creek, Lamont, Wakita, Ponca City, 
Blackwell, Shattuck, Arnett, Gage, Fargo, Woodward, Fairview, 
Enid, Perry, Cheyenne, Hammon, Seiling, Vici, Taloga, Leedey, 
Weatherford, Clinton, Watonga, Geary, Okeene, Kingfisher, 
Hennessey, Okarche, and Guthrie
1114 AM CDT Thu Oct 22 2020

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...

* WHAT...South winds 20 TO 25 mph with gusts to aroun 45 mph.

* WHERE...Portions of central, northern, northwest and western 
  Oklahoma.

* WHEN...Until midnight CDT tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

1 follow-up statement

025 
WWUS74 KOUN 230308
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1008 PM CDT Thu Oct 22 2020

OKZ004>019-230415-
/O.CAN.KOUN.WI.Y.0013.000000T0000Z-201023T0500Z/
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-
Including the cities of Buffalo, Laverne, Alva, Cherokee, Helena,
Carmen, Medford, Pond Creek, Lamont, Wakita, Ponca City, 
Blackwell, Shattuck, Arnett, Gage, Fargo, Woodward, Fairview, 
Enid, Perry, Cheyenne, Hammon, Seiling, Vici, Taloga, Leedey, 
Weatherford, Clinton, Watonga, Geary, Okeene, Kingfisher, 
Hennessey, Okarche, and Guthrie
1008 PM CDT Thu Oct 22 2020

...WIND ADVISORY IS CANCELLED...

While gusty winds are expected behind a strong cold front, wind
gusts will generally be below 40 mph, so the Wind Advisory has
been cancelled.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 21, 10:24 PM CDT	Dense Fog Advisory	OUN	Alfalfa, Harper, Woods, Woodward	3 hr

Nearby

Wind Advisories in Oklahoma, 2020 Every wind advisory in 2020

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.