Alert archive / Oklahoma / Harper County / 2026
Weather alerts in Harper County, Oklahoma, September 2026
34 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 34
- Warnings
- 14
- Watches
- 2
- Advisories
- 2
- Busiest day
- September 19, 20269 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 3, 11:50 AM CDT | Heat Advisory | OUN | 31 hr |
| Sep 9, 3:21 PM CDT | Special Weather Statement | OUN | 24 min |
| Sep 9, 4:03 PM CDT | Special Weather Statement | OUN | 27 min |
| Sep 9, 4:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 9, 4:52 PM CDT | Special Weather Statement | OUN | 23 min |
| Sep 12, 2:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Sep 12, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 12, 4:23 PM CDT | Special Weather Statement | OUN | 37 min |
| Sep 12, 4:35 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| Sep 12, 5:06 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Sep 12, 5:36 PM CDT | Special Weather Statement | OUN | 24 min |
| Sep 12, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Sep 13, 12:26 AM CDT | Heat Advisory | OUN | 19 hr |
| Sep 13, 6:09 AM CDT | Special Weather Statement | OUN | 21 min |
| Sep 13, 6:45 AM CDT | Special Weather Statement | OUN | 30 min |
| Sep 15, 1:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 15, 5:48 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Sep 15, 6:29 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Sep 15, 7:05 PM CDT | Severe Thunderstorm Warning | OUN | 25 min |
| Sep 15, 7:30 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| Sep 15, 7:59 PM CDT | Severe Thunderstorm Warning | OUN | 15 min |
| Sep 19, 2:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 19, 2:36 PM CDT | Special Weather Statement | OUN | 24 min |
| Sep 19, 2:40 PM CDT | Severe Thunderstorm Warning | OUN | 35 min |
| Sep 19, 2:44 PM CDT | Severe Thunderstorm Warning | OUN | 31 min |
| Sep 19, 2:54 PM CDT | Severe Thunderstorm Warning | OUN | 36 min |
| Sep 19, 3:12 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Sep 19, 3:22 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 19, 3:29 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Sep 19, 4:11 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| Sep 19, 7:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 24, 1:36 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 24, 3:31 PM CDT | Special Weather Statement | OUN | 29 min |
| Sep 24, 3:42 PM CDT | Severe Thunderstorm Warning | OUN | 33 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 14 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 9 |
| Heat | |
| Heat Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.