Oklahoma, 2023

Heat in Oklahoma, July 15, 2023

July 15, 2023 · NWS SHV · 1 event in 1 county or zone

An upper level ridge of high pressure remained anchored over the Southern Plains on July 15th, although a portion of its influence extended farther east into the Lower Mississippi Valley. A stationary front that was reinforced south into extreme Northeast Texas and Southern Arkansas from showers and thunderstorms lifted back north as a warm front on the 15th, returning hotter and more humid…

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS SHV wrote it up.

An upper level ridge of high pressure remained anchored over the Southern Plains on July 15th, although a portion of its influence extended farther east into the Lower Mississippi Valley. A stationary front that was reinforced south into extreme Northeast Texas and Southern Arkansas from showers and thunderstorms lifted back north as a warm front on the 15th, returning hotter and more humid conditions to Southeast Oklahoma and the northern sections of Southwest Arkansas. This front contributed to heat indices ranging from 105-110 degrees despite temperatures only climbing into the lower 90s.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before the first event at Jul 15, 5:31 AM CST, 3 hours 29 minutes earlier.

Area forecast discussion, Jul 15, 5:31 AM CST, 3 hours 29 minutes before
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Hazardous weather outlook, Jul 15, 3:07 AM CST, 5 hours 53 minutes before
Hazardous Weather Outlook
National Weather Service Shreveport LA
407 AM CDT Sat Jul 15 2023

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-160915-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-Morris-Cass-
Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-Panola-
Nacogdoches-Shelby-Angelina-San Augustine-
407 AM CDT Sat Jul 15 2023

...HEAT ADVISORY IN EFFECT UNTIL 7 AM CDT SUNDAY...

This Hazardous Weather Outlook is for south central Arkansas,
southwest Arkansas, north central Louisiana, northwest Louisiana,
southeast Oklahoma, east Texas and northeast Texas.

.DAY ONE...Today and tonight.

The existing Heat Advisory has been extended, and now remains in
effect until 7AM Sunday. Afternoon heat index values should range
between 109 to 109 degrees.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Shower and thunderstorm chances will remain in the forecast through
the weekend, before upper-level ridging really sets in by Monday. It
looks like extended heat headlines will be needed through most of the
week tomorrow. However, exactly which heat headlines remains to be
seen.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

44

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heat. Local standard time, as filed.

Heat, McCurtain

When
July 15, 9:00 AM CST to 6:00 PM CST
Where
McCurtain forecast zone
Reported by
ASOS
Coordinates
34.115, -94.771 (the zone’s center; the record gives no point)

What these are

Heat
Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Oklahoma in 2023Every state in 2023This day in weather historyWarnings in Oklahoma, July 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1102831.