Alert archive / Oklahoma / Heat Advisories in 2021

Heat Advisory 10, NWS Norman, OK

July 29, 202123 counties in Oklahoma

NWS Norman, OK issued this heat advisory at Jul 29, 2021, 3:36 AM CDT for 23 counties in Oklahoma. It took effect at Jul 30, 2021, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 29, 2021, 3:36 AM CDT (08:36 UTC)
In effect from
Jul 30, 2021, 12:00 PM CDT
Expired
Jul 30, 2021, 7:00 PM CDT
In force
7 hr
Issued by
NWS Norman, OK
All 23 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, Johnston County, OK, Kay 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

The radar

The Norman radar (KTLX), 32 km from the middle of the area, began a volume at 08:38 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.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this heat advisory went out at Jul 28, 6:19 PM CDT, 9 hours 17 minutes earlier.

Area forecast discussion, Jul 28, 6:19 PM CDT, 9 hours 17 minutes before
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Hazardous weather outlook, Jul 28, 11:35 AM CDT, 16 hours 1 minute before
Hazardous Weather Outlook
National Weather Service Norman OK
1135 AM CDT Wed Jul 28 2021

OKZ004>048-050>052-TXZ083>090-291645-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
1135 AM CDT Wed Jul 28 2021

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This Afternoon and Tonight...

.Thunderstorms...
Isolated thunderstorms may develop this afternoon across portions
of southern Oklahoma and north Texas. Wind gusts up to 50 mph and
brief heavy rainfall could accompany any stronger storms.

.Heat...
Hot and humid conditions will result in triple digit heat index
values across much of the area this afternoon. Take steps to
prevent heat related illnesses.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

.Heat...
Hot and humid conditions will result in triple digit heat index
values across much of the region through Saturday afternoon.

.Thunderstorms...
Thunderstorm chances will return to the region Sunday and
continue through Tuesday.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

Nearby

Heat Advisories in Oklahoma, 2021Every heat 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; radar from the NEXRAD Level II archive.