Alert archive / Texas / Red Flag Warnings in 2023
Red Flag Warning 14, NWS Norman, OK
NWS Norman, OK issued this red flag warning at Aug 1, 2023, 8:40 AM CDT for 7 counties in Oklahoma; 8 counties in Texas. It took effect at Aug 1, 2023, 12:00 PM CDT. It was in force for 8 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 1, 2023, 8:40 AM CDT (13:40 UTC)
- In effect from
- Aug 1, 2023, 12:00 PM CDT
- Expired
- Aug 1, 2023, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Norman, OK
Counties Comanche County, OK, Cotton County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 20 km from the middle of the area, began a volume at 13:40 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 1.7 hours before the alert went out and 260 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
- 746 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 2050 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning 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 red flag warning went out at Jul 31, 6:14 PM CDT, 14 hours 26 minutes earlier.
Area forecast discussion, Jul 31, 6:14 PM CDT, 14 hours 26 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 4:19 AM CDT | Heat Advisory | OUN | Alfalfa, Atoka, Bryan, Canadian, Carter, Cleveland and 25 more | 41 hr |
| Aug 1, 3:06 PM CDT | Red Flag Warning | OUN | Comanche, Cotton, Greer, Harmon, Jackson, Jefferson and 3 more | 30 hr |
| Aug 1, 3:08 PM CDT | Excessive Heat Warning | OUN | Atoka, Bryan, Carter, Cleveland, Coal, Garfield and 17 more | 30 hr |
| Aug 1, 3:08 PM CDT | Heat Advisory | OUN | Alfalfa, Atoka, Bryan, Canadian, Carter, Cleveland and 25 more | 54 hr |
Nearby
Red Flag Warnings in Texas, 2023Red Flag Warnings in Oklahoma, 2023Every red flag 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.