Alert archive / Texas / Flash Flood Warnings in 2022
Flash Flood Warning 46, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jul 22, 2022, 12:50 PM CDT for Knox County, Texas. It was in force for 3 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
- Jul 22, 2022, 12:50 PM CDT (17:50 UTC)
- Expired
- Jul 22, 2022, 3:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
County Knox County, TX
The radar
The Altus AFB radar (KFDR), 110 km from the middle of the area, began a volume at 17:53 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 12:00Z, 5.8 hours before the alert went out and 280 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
- 1241 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1456 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 3:34 AM CDT | Heat Advisory | OUN | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 29 more | 40 hr |
| Jul 22, 3:34 AM CDT | Heat Advisory | OUN | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 29 more | 64 hr |
| Jul 22, 9:55 AM CDT | Special Weather Statement | OUN | Jackson | 35 min |
| Jul 22, 4:51 PM CDT | Special Weather Statement | OUN | Hughes | 24 min |
| Jul 22, 4:54 PM CDT | Special Weather Statement | OUN | Garfield | 36 min |
| Jul 22, 5:18 PM CDT | Special Weather Statement | OUN | Hughes | 27 min |
| Jul 22, 5:48 PM CDT | Special Weather Statement | OUN | Hughes | 27 min |
| Jul 22, 6:03 PM CDT | Special Weather Statement | OUN | Seminole | 27 min |
| Jul 22, 6:06 PM CDT | Special Weather Statement | OUN | Lincoln | 24 min |
| Jul 22, 6:30 PM CDT | Special Weather Statement | OUN | Pottawatomie | 30 min |
| Jul 22, 6:31 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln | 29 min |
| Jul 22, 6:35 PM CDT | Special Weather Statement | OUN | Pottawatomie | 25 min |
| Jul 22, 6:55 PM CDT | Special Weather Statement | OUN | Seminole | 35 min |
| Jul 22, 6:59 PM CDT | Special Weather Statement | OUN | Lincoln | 31 min |
| Jul 22, 8:03 AM CDT | Special Weather Statement | OUN | Baylor | 27 min |
| Jul 22, 8:22 AM CDT | Special Weather Statement | OUN | Wilbarger | 23 min |
| Jul 22, 9:24 AM CDT | Special Weather Statement | OUN | Baylor | 36 min |
| Jul 22, 10:30 AM CDT | Special Weather Statement | OUN | Knox | 30 min |
| Jul 22, 11:23 AM CDT | Special Weather Statement | OUN | Foard | 37 min |
| Jul 22, 11:41 AM CDT | Special Weather Statement | OUN | Knox | 34 min |
| Jul 22, 12:33 PM CDT | Special Weather Statement | OUN | Knox | 42 min |
| Jul 22, 12:46 PM CDT | Areal Flood Advisory | OUN | Knox | 4 min |
| Jul 22, 1:01 PM CDT | Areal Flood Advisory | OUN | Knox | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2022Every flash flood warning in 2022
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.