Alert archive / North Carolina / Washington County
Weather alerts in Washington County, North Carolina, 2017
83 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 83
- Warnings
- 12
- Watches
- 7
- Advisories
- 17
- Busiest month
- May21 alerts
- Busiest day
- May 5, 20179 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 3 tornado warnings covering Washington County in 2017 had a tornado report inside them.
Washington County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 4 | 2 | 50% | 2 | 50% | 25 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Newport/Morehead City, NC: tornado warnings | 18 | 2 | 89% | 7 | 57% | 9 min |
| NWS Newport/Morehead City, NC: severe thunderstorm warnings | 46 | 20 | 57% | 50 | 70% | 26 min |
| NWS Newport/Morehead City, NC: flash flood warnings | 7 | 6 | 14% | 25 | 88% | 114 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 5, 10:02 AM EST | Winter Storm Watch | MHX | 18 hr |
| Jan 5, 3:42 PM EST | Winter Storm Warning | MHX | 50 hr |
| Jan 6, 4:17 AM EST | Winter Weather Advisory | MHX | 3 days |
| Jan 21, 3:00 AM EST | Dense Fog Advisory | MHX | 7 hr |
| Feb 9, 1:37 AM EST | Special Weather Statement | MHX | 53 min |
| Feb 12, 8:53 PM EST | Special Weather Statement | MHX | 37 min |
| Mar 1, 6:21 PM EST | Mesoscale Discussion | SPC | 114 min |
| Mar 1, 11:43 PM EST | Special Weather Statement | MHX | 62 min |
| Mar 22, 3:12 AM EDT | Freeze Watch | MHX | 233 days |
| Mar 28, 1:58 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 31, 9:57 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 11:34 AM EDT | Special Weather Statement | MHX | 56 min |
| Apr 3, 6:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Apr 5, 3:05 PM EDT | Wind Advisory | MHX | 51 hr |
| Apr 6, 7:06 AM EDT | Tornado Watch | SPC | 8 hr |
| Apr 22, 8:46 PM EDT | Special Weather Statement | MHX | 59 min |
| Apr 25, 4:51 AM EDT | Flash Flood Warning | MHX | 3 hr |
| Apr 25, 5:42 AM EDT | Special Weather Statement | MHX | 63 min |
| Apr 25, 6:25 AM EDT | Areal Flood Advisory | MHX | 95 min |
| Apr 25, 8:07 AM EDT | Areal Flood Advisory | MHX | 113 min |
| May 2, 3:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 12:00 AM EDT | Special Weather Statement | MHX | 45 min |
| May 5, 2:28 AM EDT | Mesoscale Discussion | SPC | 92 min |
| May 5, 5:56 AM EDT | Mesoscale Discussion | SPC | 94 min |
| May 5, 6:17 AM EDT | Tornado Warning | MHX | 43 min |
| May 5, 6:25 AM EDT | Tornado Watch | SPC | 5 hr |
| May 5, 7:30 AM EDT | Tornado Warning | MHX | 30 min |
| May 5, 7:44 AM EDT | Tornado Warning | MHX | 6 min |
| May 5, 8:26 AM EDT | Special Weather Statement | MHX | 64 min |
| May 5, 8:27 AM EDT | Mesoscale Discussion | SPC | 93 min |
| May 11, 4:47 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 3:18 PM EDT | Special Weather Statement | MHX | 57 min |
| May 23, 5:23 PM EDT | Areal Flood Advisory | MHX | 97 min |
| May 24, 3:46 PM EDT | Tornado Watch | SPC | 6 hr |
| May 24, 6:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 25, 3:40 AM EDT | Special Weather Statement | MHX | 35 min |
| May 25, 12:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 25, 4:21 PM EDT | Severe Thunderstorm Warning | MHX | 39 min |
| May 27, 6:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 27, 9:00 PM EDT | Mesoscale Discussion | SPC | 30 min |
| May 28, 2:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 5, 8:41 PM EDT | Special Weather Statement | MHX | 64 min |
| Jun 14, 1:17 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 1:27 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 16, 3:04 PM EDT | Special Weather Statement | MHX | 56 min |
| Jul 6, 8:42 PM EDT | Special Weather Statement | MHX | 48 min |
| Jul 6, 8:49 PM EDT | Severe Thunderstorm Warning | MHX | 25 min |
| Jul 6, 9:17 PM EDT | Special Weather Statement | MHX | 43 min |
| Jul 6, 9:25 PM EDT | Severe Thunderstorm Warning | MHX | 65 min |
| Jul 13, 3:35 AM EDT | Heat Advisory | MHX | 15 hr |
| Jul 14, 3:16 AM EDT | Heat Advisory | MHX | 15 hr |
| Jul 14, 6:21 PM EDT | Special Weather Statement | MHX | 39 min |
| Jul 14, 8:12 PM EDT | Special Weather Statement | MHX | 33 min |
| Jul 14, 10:36 PM EDT | Special Weather Statement | MHX | 54 min |
| Jul 16, 6:59 PM EDT | Special Weather Statement | MHX | 61 min |
| Jul 21, 2:56 AM EDT | Heat Advisory | MHX | 16 hr |
| Jul 21, 3:22 PM EDT | Heat Advisory | MHX | 28 hr |
| Jul 21, 5:02 PM EDT | Special Weather Statement | MHX | 58 min |
| Jul 22, 3:20 PM EDT | Heat Advisory | MHX | 28 hr |
| Jul 23, 9:00 PM EDT | Special Weather Statement | MHX | 60 min |
| Jul 28, 3:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 11, 10:47 AM EDT | Areal Flood Advisory | MHX | 118 min |
| Aug 11, 12:25 PM EDT | Special Weather Statement | MHX | 50 min |
| Aug 14, 4:56 PM EDT | Special Weather Statement | MHX | 64 min |
| Aug 14, 6:00 PM EDT | Special Weather Statement | MHX | 60 min |
| Aug 15, 12:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 18, 4:03 AM EDT | Heat Advisory | MHX | 14 hr |
| Aug 23, 1:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 23, 6:16 PM EDT | Special Weather Statement | MHX | 29 min |
| Aug 23, 6:26 PM EDT | Severe Thunderstorm Warning | MHX | 34 min |
| Aug 23, 6:58 PM EDT | Areal Flood Advisory | MHX | 92 min |
| Aug 27, 5:23 PM EDT | Tropical Storm Watch | MHX | 18 hr |
| Aug 28, 3:30 AM EDT | Flash Flood Watch | MHX | 34 hr |
| Aug 28, 11:33 AM EDT | Tropical Storm Warning | MHX | 29 hr |
| Sep 6, 1:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 9, 3:21 PM EDT | Special Weather Statement | MHX | 39 min |
| Oct 29, 1:53 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 29, 8:11 PM EDT | Special Weather Statement | MHX | 64 min |
| Nov 10, 3:05 AM EST | Freeze Warning | MHX | 30 hr |
| Nov 11, 6:49 PM EST | Frost Advisory | MHX | 11 hr |
| Nov 17, 4:23 PM EST | Frost Advisory | MHX | 7 hr |
| Nov 17, 11:35 PM EST | Freeze Warning | MHX | 7 hr |
| Dec 26, 2:57 PM EST | Winter Weather Advisory | MHX | 15 hr |
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 | 4 |
| Tornado Warning | 3 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 26 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.