Alert archive / Oklahoma / Wind Advisories in 2021
Wind Advisory 9, NWS Norman, OK
NWS Norman, OK issued this wind advisory at Apr 6, 2021, 3:40 AM CDT for 13 counties in Oklahoma. It took effect at Apr 6, 2021, 11:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2021, 3:40 AM CDT (08:40 UTC)
- In effect from
- Apr 6, 2021, 11:00 AM CDT
- Expired
- Apr 6, 2021, 6:52 PM CDT
- In force
- 8 hr
- Issued by
- NWS Norman, OK
Counties Canadian County, OK, Cleveland County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK, Seminole County, OK
The radar
The Norman radar (KTLX), 63 km from the middle of the area, began a volume at 08:45 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
Norman, OK (KOUN), launched 00:00Z, 8.7 hours before the alert went out and 76 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1823 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
824 WWUS74 KOUN 060840 NPWOUN URGENT - WEATHER MESSAGE National Weather Service Norman OK 340 AM CDT Tue Apr 6 2021 OKZ007-008-012-013-018>020-024>026-029>031-070100- /O.NEW.KOUN.WI.Y.0009.210406T1600Z-210407T0100Z/ Grant-Kay-Garfield-Noble-Kingfisher-Logan-Payne-Canadian-Oklahoma- Lincoln-Cleveland-Pottawatomie-Seminole- Including the cities of Medford, Pond Creek, Lamont, Wakita, Ponca City, Blackwell, Enid, Perry, Kingfisher, Hennessey, Okarche, Guthrie, Stillwater, Yukon, Concho, El Reno, Mustang, Oklahoma City, Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Norman, Moore, Shawnee, Seminole, and Wewoka 340 AM CDT Tue Apr 6 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Portions of central and north central Oklahoma. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
1 follow-up statement
612 WWUS74 KOUN 062352 AAA NPWOUN URGENT - WEATHER MESSAGE...UPDATED National Weather Service Norman OK 652 PM CDT Tue Apr 6 2021 OKZ007-008-012-013-018>020-024>026-029>031-070100- /O.CAN.KOUN.WI.Y.0009.000000T0000Z-210407T0100Z/ Grant-Kay-Garfield-Noble-Kingfisher-Logan-Payne-Canadian-Oklahoma- Lincoln-Cleveland-Pottawatomie-Seminole- Including the cities of Medford, Pond Creek, Lamont, Wakita, Ponca City, Blackwell, Enid, Perry, Kingfisher, Hennessey, Okarche, Guthrie, Stillwater, Yukon, Concho, El Reno, Mustang, Oklahoma City, Chandler, Stroud, Prague, Meeker, Davenport, Wellston, Norman, Moore, Shawnee, Seminole, and Wewoka 652 PM CDT Tue Apr 6 2021 ...WIND ADVISORY IS CANCELLED... Southerly winds will continue to gust to around 30 mph through early evening, but gusts to or in excess of 40 mph are no longer expected. $$
Nearby
Wind Advisories in Oklahoma, 2021Every wind advisory in 2021
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.