Alert archive / Oklahoma / Washington County
Weather alerts in Washington County, Oklahoma, 2018
178 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Washington County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 178
- Warnings
- 50
- Watches
- 24
- Advisories
- 47
- Busiest month
- May33 alerts
- Busiest day
- May 19, 20188 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Washington County in 2018 had a tornado report inside them.
Washington County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 31 | 20 | 35% | 20 | 95% | 32 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tulsa, OK: tornado warnings | 34 | 7 | 79% | 15 | 47% | 7 min |
| NWS Tulsa, OK: severe thunderstorm warnings | 305 | 133 | 56% | 304 | 81% | 23 min |
| NWS Tulsa, OK: flash flood warnings | 11 | 6 | 45% | 40 | 60% | 95 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 |
|---|---|---|---|
| Jan 8, 3:25 PM CST | Dense Fog Advisory | TSA | 21 hr |
| Jan 11, 3:28 AM CST | Wind Advisory | TSA | 15 hr |
| Jan 14, 8:13 PM CST | Winter Weather Advisory | TSA | 19 hr |
| Jan 15, 3:43 AM CST | Wind Chill Advisory | TSA | 36 hr |
| Jan 22, 8:57 AM CST | Wind Advisory | TSA | 9 hr |
| Jan 24, 2:45 PM CST | Fire Weather Watch | TSA | 12 hr |
| Jan 25, 3:09 AM CST | Red Flag Warning | TSA | 16 hr |
| Jan 26, 2:55 AM CST | Wind Advisory | TSA | 15 hr |
| Feb 9, 3:40 PM CST | Winter Weather Advisory | TSA | 41 hr |
| Feb 20, 2:57 AM CST | Winter Weather Advisory | TSA | 20 hr |
| Feb 20, 9:40 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 21, 4:06 AM CST | Winter Weather Advisory | TSA | 35 hr |
| Feb 27, 1:26 PM CST | Special Weather Statement | TSA | 49 min |
| Mar 4, 3:19 PM CST | Fire Weather Watch | TSA | 12 hr |
| Mar 4, 3:19 PM CST | Fire Weather Watch | TSA | 25 hr |
| Mar 5, 3:29 AM CST | Red Flag Warning | TSA | 15 hr |
| Mar 5, 3:53 PM CST | Wind Advisory | TSA | 26 hr |
| Mar 5, 4:06 PM CST | Red Flag Warning | TSA | 26 hr |
| Mar 15, 4:01 AM CDT | Fire Weather Watch | TSA | 12 hr |
| Mar 15, 3:50 PM CDT | Red Flag Warning | TSA | 29 hr |
| Mar 19, 1:30 AM CDT | Special Weather Statement | TSA | 30 min |
| Mar 19, 2:14 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 3:27 PM CDT | Freeze Warning | TSA | 19 hr |
| Apr 1, 5:26 PM CDT | Winter Weather Advisory | TSA | 17 hr |
| Apr 2, 3:55 PM CDT | Freeze Watch | TSA | 12 hr |
| Apr 3, 4:07 AM CDT | Freeze Warning | TSA | 30 hr |
| Apr 3, 4:07 AM CDT | Wind Advisory | TSA | 15 hr |
| Apr 5, 3:19 PM CDT | Freeze Warning | TSA | 46 hr |
| Apr 6, 8:36 PM CDT | Winter Weather Advisory | TSA | 16 hr |
| Apr 7, 3:46 AM CDT | Freeze Warning | TSA | 29 hr |
| Apr 9, 3:23 AM CDT | Freeze Watch | TSA | 11 hr |
| Apr 9, 2:46 PM CDT | Freeze Warning | TSA | 18 hr |
| Apr 11, 4:02 AM CDT | Wind Advisory | TSA | 15 hr |
| Apr 11, 9:04 AM CDT | Red Flag Warning | TSA | 13 hr |
| Apr 12, 4:03 AM CDT | Wind Advisory | TSA | 39 hr |
| Apr 13, 12:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 1:20 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 13, 3:04 PM CDT | Special Weather Statement | TSA | 41 min |
| Apr 13, 3:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 13, 3:49 PM CDT | Severe Thunderstorm Warning | TSA | 41 min |
| Apr 14, 3:10 AM CDT | Freeze Watch | TSA | 17 hr |
| Apr 14, 3:19 PM CDT | Freeze Warning | TSA | 19 hr |
| Apr 15, 3:31 AM CDT | Freeze Warning | TSA | 29 hr |
| Apr 17, 3:56 PM CDT | Fire Weather Watch | TSA | 21 hr |
| Apr 18, 12:29 AM CDT | Special Weather Statement | TSA | 61 min |
| May 2, 7:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 2, 8:05 PM CDT | Tornado Watch | SPC | 6 hr |
| May 2, 10:10 PM CDT | Severe Thunderstorm Warning | TSA | 65 min |
| May 2, 10:43 PM CDT | Severe Thunderstorm Warning | TSA | 47 min |
| May 2, 11:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 11, 3:12 AM CDT | Wind Advisory | TSA | 16 hr |
| May 14, 7:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 14, 10:32 PM CDT | Severe Thunderstorm Warning | TSA | 58 min |
| May 14, 11:04 PM CDT | Severe Thunderstorm Warning | TSA | 56 min |
| May 14, 11:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 15, 12:45 AM CDT | Severe Thunderstorm Warning | TSA | 45 min |
| May 15, 1:10 AM CDT | Special Weather Statement | TSA | 35 min |
| May 19, 7:50 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 19, 12:39 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 19, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| May 19, 3:15 PM CDT | Severe Thunderstorm Warning | TSA | 60 min |
| May 19, 5:52 PM CDT | Special Weather Statement | TSA | 53 min |
| May 19, 6:03 PM CDT | Severe Thunderstorm Warning | TSA | 57 min |
| May 19, 6:08 PM CDT | Special Weather Statement | TSA | 52 min |
| May 19, 6:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 3:23 AM CDT | Special Weather Statement | TSA | 37 min |
| May 20, 3:28 AM CDT | Areal Flood Advisory | TSA | 3 hr |
| May 23, 1:52 PM CDT | Special Weather Statement | TSA | 23 min |
| May 23, 2:22 PM CDT | Areal Flood Advisory | TSA | 113 min |
| May 29, 10:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 29, 11:17 PM CDT | Special Weather Statement | TSA | 43 min |
| May 30, 12:02 AM CDT | Special Weather Statement | TSA | 43 min |
| May 30, 8:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 30, 9:14 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 31, 2:33 AM CDT | Severe Thunderstorm Warning | TSA | 57 min |
| May 31, 2:36 AM CDT | Severe Thunderstorm Warning | TSA | 54 min |
| May 31, 2:59 AM CDT | Mesoscale Discussion | SPC | 61 min |
| May 31, 3:39 PM CDT | Heat Advisory | TSA | 28 hr |
| Jun 7, 8:40 AM CDT | Special Weather Statement | TSA | 50 min |
| Jun 7, 9:13 AM CDT | Special Weather Statement | TSA | 32 min |
| Jun 7, 10:20 AM CDT | Areal Flood Advisory | TSA | 3 hr |
| Jun 12, 12:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 12, 3:40 AM CDT | Severe Thunderstorm Warning | TSA | 50 min |
| Jun 12, 4:21 AM CDT | Severe Thunderstorm Warning | TSA | 39 min |
| Jun 12, 4:48 AM CDT | Severe Thunderstorm Warning | TSA | 42 min |
| Jun 12, 5:05 AM CDT | Severe Thunderstorm Warning | TSA | 40 min |
| Jun 12, 8:36 AM CDT | Areal Flood Advisory | TSA | 3 hr |
| Jun 22, 9:27 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 22, 11:25 PM CDT | Severe Thunderstorm Warning | TSA | 65 min |
| Jun 24, 3:23 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 12:31 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 25, 3:34 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 25, 3:35 AM CDT | Special Weather Statement | TSA | 40 min |
| Jun 25, 3:52 AM CDT | Special Weather Statement | TSA | 53 min |
| Jun 26, 12:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 26, 1:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 1:41 PM CDT | Severe Thunderstorm Warning | TSA | 64 min |
| Jun 26, 2:16 PM CDT | Heat Advisory | TSA | 31 hr |
| Jun 26, 2:45 PM CDT | Severe Thunderstorm Warning | TSA | 30 min |
| Jun 26, 2:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 26, 3:01 PM CDT | Severe Thunderstorm Warning | TSA | 44 min |
| Jun 26, 11:48 PM CDT | Special Weather Statement | TSA | 27 min |
| Jun 27, 3:21 PM CDT | Heat Advisory | TSA | 30 hr |
| Jun 28, 3:23 PM CDT | Heat Advisory | TSA | 30 hr |
| Jun 29, 3:21 PM CDT | Heat Advisory | TSA | 27 hr |
| Jun 30, 3:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 30, 6:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 30, 6:28 PM CDT | Special Weather Statement | TSA | 47 min |
| Jun 30, 7:13 PM CDT | Special Weather Statement | TSA | 47 min |
| Jun 30, 8:25 PM CDT | Special Weather Statement | TSA | 50 min |
| Jul 2, 1:08 PM CDT | Heat Advisory | TSA | 8 hr |
| Jul 2, 4:03 PM CDT | Heat Advisory | TSA | 28 hr |
| Jul 6, 1:34 PM CDT | Severe Thunderstorm Warning | TSA | 41 min |
| Jul 6, 1:51 PM CDT | Special Weather Statement | TSA | 24 min |
| Jul 6, 1:56 PM CDT | Special Weather Statement | TSA | 34 min |
| Jul 6, 2:15 PM CDT | Special Weather Statement | TSA | 60 min |
| Jul 11, 2:53 PM CDT | Heat Advisory | TSA | 5 hr |
| Jul 11, 3:47 PM CDT | Heat Advisory | TSA | 28 hr |
| Jul 12, 3:22 PM CDT | Heat Advisory | TSA | 24 hr |
| Jul 14, 2:59 PM CDT | Heat Advisory | TSA | 29 hr |
| Jul 16, 4:06 AM CDT | Heat Advisory | TSA | 16 hr |
| Jul 16, 11:15 AM CDT | Special Weather Statement | TSA | 30 min |
| Jul 16, 12:10 PM CDT | Special Weather Statement | TSA | 20 min |
| Jul 17, 2:48 PM CDT | Heat Advisory | TSA | 28 hr |
| Jul 18, 3:03 PM CDT | Heat Advisory | TSA | 30 hr |
| Jul 18, 3:03 PM CDT | Heat Advisory | TSA | 54 hr |
| Jul 19, 1:58 PM CDT | Excessive Heat Warning | TSA | 7 hr |
| Jul 19, 8:55 PM CDT | Excessive Heat Warning | TSA | 24 hr |
| Jul 19, 10:33 PM CDT | Severe Thunderstorm Warning | TSA | 42 min |
| Jul 29, 1:59 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 4:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 12:17 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 2:50 PM CDT | Severe Thunderstorm Warning | TSA | 55 min |
| Jul 30, 3:25 PM CDT | Severe Thunderstorm Warning | TSA | 65 min |
| Jul 30, 3:39 PM CDT | Severe Thunderstorm Warning | TSA | 51 min |
| Aug 10, 4:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 13, 3:13 PM CDT | Flash Flood Watch | TSA | 52 hr |
| Aug 16, 3:55 AM CDT | Heat Advisory | TSA | 15 hr |
| Aug 16, 2:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 3:28 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 16, 4:24 PM CDT | Severe Thunderstorm Warning | TSA | 51 min |
| Aug 16, 4:41 PM CDT | Special Weather Statement | TSA | 34 min |
| Aug 16, 4:51 PM CDT | Severe Thunderstorm Warning | TSA | 39 min |
| Aug 16, 4:57 PM CDT | Areal Flood Advisory | TSA | 3 hr |
| Aug 25, 3:26 AM CDT | Heat Advisory | TSA | 16 hr |
| Aug 25, 3:24 PM CDT | Heat Advisory | TSA | 24 hr |
| Aug 28, 3:07 PM CDT | Heat Advisory | TSA | 4 hr |
| Aug 29, 11:54 PM CDT | Special Weather Statement | TSA | 36 min |
| Oct 7, 3:47 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 8:48 AM CDT | Tornado Watch | SPC | 5 hr |
| Oct 9, 9:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 11:04 AM CDT | Severe Thunderstorm Warning | TSA | 41 min |
| Oct 9, 11:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 9, 11:37 AM CDT | Severe Thunderstorm Warning | TSA | 38 min |
| Oct 9, 12:11 PM CDT | Severe Thunderstorm Warning | TSA | 49 min |
| Oct 15, 3:31 PM CDT | Freeze Warning | TSA | 16 hr |
| Oct 19, 11:32 PM CDT | Dense Fog Advisory | TSA | 7 hr |
| Oct 20, 3:15 AM CDT | Frost Advisory | TSA | 29 hr |
| Oct 20, 3:57 PM CDT | Freeze Warning | TSA | 16 hr |
| Nov 7, 3:14 PM CST | Freeze Watch | TSA | 12 hr |
| Nov 7, 3:14 PM CST | Freeze Watch | TSA | 36 hr |
| Nov 8, 3:32 AM CST | Freeze Warning | TSA | 29 hr |
| Nov 9, 3:37 AM CST | Freeze Warning | TSA | 30 hr |
| Nov 11, 1:59 PM CST | Winter Weather Advisory | TSA | 28 hr |
| Nov 24, 3:18 PM CST | Wind Advisory | TSA | 27 hr |
| Nov 30, 2:17 AM CST | Dense Fog Advisory | TSA | 8 hr |
| Nov 30, 5:23 PM CST | Tornado Watch | SPC | 8 hr |
| Nov 30, 6:35 PM CST | Mesoscale Discussion | SPC | 85 min |
| Nov 30, 9:07 PM CST | Severe Thunderstorm Warning | TSA | 53 min |
| Nov 30, 9:12 PM CST | Severe Thunderstorm Warning | TSA | 63 min |
| Nov 30, 9:39 PM CST | Tornado Warning | TSA | 25 min |
| Nov 30, 9:52 PM CST | Mesoscale Discussion | SPC | 83 min |
| Nov 30, 10:01 PM CST | Severe Thunderstorm Warning | TSA | 44 min |
| Dec 6, 4:29 AM CST | Winter Storm Watch | TSA | 23 hr |
| Dec 12, 2:53 PM CST | Wind Advisory | TSA | 37 hr |
| Dec 19, 4:04 AM CST | Dense Fog Advisory | TSA | 6 hr |
| Dec 26, 8:19 PM CST | Special Weather Statement | TSA | 56 min |
| Dec 26, 10:08 PM CST | Special Weather Statement | TSA | 67 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 | 31 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 28 |
| Flooding | |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 19 |
| Cold | |
| Freeze Warning | 11 |
| Freeze Watch | 5 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 10 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.