Alert archive / Oklahoma / Excessive Heat Warnings in 2023

Excessive Heat Warning 21, NWS Norman, OK

August 20, 202326 counties in Oklahoma

NWS Norman, OK issued this excessive heat warning at Aug 20, 2023, 2:08 AM CDT for 26 counties in Oklahoma. It took effect at Aug 21, 2023, 12:00 PM CDT. It was in force for 9 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: Aug 20, 2023, 2:08 AM CDT (07:08 UTC)
In effect from: Aug 21, 2023, 12:00 PM CDT
Expired: Aug 21, 2023, 9:00 PM CDT
In force: 9 hr
Issued by: NWS Norman, OK

All 26 counties

Atoka County, OK, Bryan County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Garfield County, OK, Garvin County, OK, Grant County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK

The radar

The Norman radar (KTLX), 29 km from the middle of the area, began a volume at 07:13 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 office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 2:08 AM CDT	Heat Advisory	OUN	Alfalfa, Blaine, Caddo, Canadian, Comanche, Cotton and 8 more	43 hr
Aug 20, 1:55 PM CDT	Red Flag Warning	OUN	Archer, Baylor, Clay, Foard, Hardeman, Knox and 2 more	31 hr

Nearby

Excessive Heat Warnings in Oklahoma, 2023 Every excessive heat warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.