Alert archive / Arizona / Coconino County
Weather alerts in Coconino County, Arizona, 2008
177 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Coconino County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 177
- Warnings
- 78
- Watches
- 30
- Advisories
- 66
- Busiest month
- August57 alerts
- Busiest day
- August 16, 200814 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 2 tornado warnings covering Coconino County in 2008 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Coconino County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 24 | 0 | 100% | 2 | 0% | |
| Flash flood warnings | 14 | 1 | 93% | 2 | 50% | 41 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Flagstaff, AZ: tornado warnings | 2 | 0 | 100% | 2 | 0% | |
| NWS Flagstaff, AZ: severe thunderstorm warnings | 93 | 1 | 99% | 8 | 13% | 9 min |
| NWS Flagstaff, AZ: flash flood warnings | 26 | 1 | 96% | 4 | 25% | 41 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 5, 3:43 AM MST | Snow Advisory | FGZ | 25 hr |
| Jan 5, 3:52 AM MST | Wind Advisory | FGZ | 12 hr |
| Jan 5, 11:30 AM MST | Winter Storm Warning | FGZ | 54 hr |
| Jan 5, 4:05 PM MST | Winter Storm Watch | FGZ | 14 hr |
| Jan 6, 3:21 PM MST | Snow Advisory | FGZ | 26 hr |
| Jan 26, 5:00 AM MST | Flash Flood Watch | FGZ | 55 hr |
| Jan 26, 3:02 PM MST | Winter Storm Watch | FGZ | 14 hr |
| Jan 27, 5:28 AM MST | Snow and Blowing Snow Advisory | FGZ | 44 hr |
| Jan 27, 5:28 AM MST | Winter Storm Warning | FGZ | 39 hr |
| Jan 28, 5:39 AM MST | Wind Advisory | FGZ | 18 hr |
| Jan 30, 11:49 AM MST | Snow Advisory | FGZ | 5 hr |
| Feb 2, 4:25 AM MST | Winter Storm Watch | FGZ | 10 hr |
| Feb 2, 2:45 PM MST | Winter Storm Warning | FGZ | 56 hr |
| Feb 3, 2:34 PM MST | High Wind Warning | FGZ | 5 hr |
| Feb 13, 12:45 PM MST | Wind Advisory | FGZ | 27 hr |
| Feb 13, 2:56 PM MST | Snow Advisory | FGZ | 24 hr |
| Feb 13, 2:56 PM MST | Winter Storm Watch | FGZ | 24 hr |
| Feb 14, 3:17 PM MST | Snow and Blowing Snow Advisory | FGZ | 19 hr |
| Feb 14, 3:17 PM MST | Winter Storm Warning | FGZ | 37 hr |
| Feb 15, 4:05 AM MST | Snow Advisory | FGZ | 6 hr |
| Feb 19, 1:27 PM MST | Snow Advisory | FGZ | 38 hr |
| Feb 22, 5:54 PM MST | Snow Advisory | FGZ | 11 hr |
| Feb 24, 5:06 AM MST | Wind Advisory | FGZ | 15 hr |
| Mar 13, 1:09 PM MST | Wind Advisory | FGZ | 30 hr |
| Mar 15, 3:03 AM MST | Wind Advisory | FGZ | 16 hr |
| Mar 15, 3:29 PM MST | Snow Advisory | FGZ | 39 hr |
| Mar 29, 3:55 PM MST | Wind Advisory | FGZ | 28 hr |
| Apr 2, 4:38 AM MST | Red Flag Warning | FGZ | 4 days |
| Apr 4, 2:41 PM MST | Fire Weather Watch | FGZ | 13 hr |
| Apr 6, 3:12 AM MST | Fire Weather Watch | FGZ | 25 hr |
| Apr 7, 4:30 AM MST | Red Flag Warning | FGZ | 15 hr |
| Apr 8, 6:11 AM MST | Red Flag Warning | FGZ | 9 hr |
| Apr 13, 2:40 PM MST | Fire Weather Watch | FGZ | 23 hr |
| Apr 14, 1:44 PM MST | Red Flag Warning | FGZ | 31 hr |
| Apr 14, 2:18 PM MST | Wind Advisory | FGZ | 30 hr |
| Apr 15, 1:46 PM MST | Fire Weather Watch | FGZ | 16 hr |
| Apr 16, 5:20 AM MST | Red Flag Warning | FGZ | 15 hr |
| Apr 16, 9:06 AM MST | Wind Advisory | FGZ | 11 hr |
| Apr 18, 6:38 AM MST | Fire Weather Watch | FGZ | 37 hr |
| Apr 18, 2:47 PM MST | Red Flag Warning | FGZ | 28 hr |
| Apr 18, 2:56 PM MST | Wind Advisory | FGZ | 28 hr |
| Apr 19, 7:12 PM MST | Red Flag Warning | FGZ | 24 hr |
| Apr 20, 2:26 AM MST | Fire Weather Watch | FGZ | 28 hr |
| Apr 21, 6:26 AM MST | Red Flag Warning | FGZ | 13 hr |
| Apr 22, 7:07 AM MST | Fire Weather Watch | FGZ | 23 hr |
| Apr 23, 6:22 AM MST | Red Flag Warning | FGZ | 13 hr |
| Apr 24, 4:04 AM MST | Red Flag Warning | FGZ | 15 hr |
| Apr 27, 4:02 AM MST | Red Flag Warning | FGZ | 9 hr |
| Apr 27, 5:34 PM MST | Fire Weather Watch | FGZ | 20 hr |
| Apr 28, 12:56 PM MST | Wind Advisory | FGZ | 33 hr |
| Apr 28, 1:57 PM MST | Fire Weather Watch | FGZ | 25 hr |
| Apr 28, 1:57 PM MST | Red Flag Warning | FGZ | 32 hr |
| Apr 29, 2:27 PM MST | Wind Advisory | FGZ | 31 hr |
| Apr 29, 2:43 PM MST | Red Flag Warning | FGZ | 29 hr |
| Apr 30, 1:51 PM MST | High Wind Warning | FGZ | 5 hr |
| Apr 30, 3:14 PM MST | Fire Weather Watch | FGZ | 13 hr |
| May 1, 4:01 AM MST | Red Flag Warning | FGZ | 16 hr |
| May 8, 2:29 PM MST | Fire Weather Watch | FGZ | 7 hr |
| May 8, 9:25 PM MST | Red Flag Warning | FGZ | 23 hr |
| May 11, 3:58 AM MST | Fire Weather Watch | FGZ | 25 hr |
| May 12, 3:29 AM MST | Wind Advisory | FGZ | 17 hr |
| May 12, 4:57 AM MST | Red Flag Warning | FGZ | 14 hr |
| May 13, 5:25 AM MST | Snow Advisory | FGZ | 5 hr |
| May 20, 4:00 AM MST | Red Flag Warning | FGZ | 16 hr |
| May 20, 1:56 PM MST | Wind Advisory | FGZ | 28 hr |
| May 20, 2:59 PM MST | Fire Weather Watch | FGZ | 5 hr |
| May 20, 7:59 PM MST | Red Flag Warning | FGZ | 24 hr |
| May 22, 4:55 AM MST | Snow Advisory | FGZ | 48 hr |
| May 27, 1:22 PM MST | Fire Weather Watch | FGZ | 38 hr |
| Jun 1, 6:56 AM MST | Fire Weather Watch | FGZ | 21 hr |
| Jun 2, 3:40 AM MST | Red Flag Warning | FGZ | 16 hr |
| Jun 3, 2:36 PM MST | Red Flag Warning | FGZ | 28 hr |
| Jun 3, 2:59 PM MST | Wind Advisory | FGZ | 33 hr |
| Jun 6, 2:51 PM MST | Fire Weather Watch | FGZ | 14 hr |
| Jun 7, 4:37 AM MST | Red Flag Warning | FGZ | 15 hr |
| Jun 9, 5:31 AM MST | Fire Weather Watch | FGZ | 8 hr |
| Jun 9, 1:50 PM MST | Fire Weather Watch | FGZ | 26 hr |
| Jun 9, 1:50 PM MST | Red Flag Warning | FGZ | 31 hr |
| Jun 9, 3:19 PM MST | Wind Advisory | FGZ | 30 hr |
| Jun 10, 3:25 PM MST | Red Flag Warning | FGZ | 30 hr |
| Jul 3, 6:59 PM MST | Severe Thunderstorm Warning | FGZ | 31 min |
| Jul 4, 12:10 PM MST | Severe Thunderstorm Warning | FGZ | 21 min |
| Jul 15, 12:17 PM MST | Areal Flood Advisory | FGZ | 118 min |
| Jul 15, 2:12 PM MST | Areal Flood Advisory | FGZ | 93 min |
| Jul 21, 6:26 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Jul 22, 1:56 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Jul 22, 2:23 PM MST | Severe Thunderstorm Warning | FGZ | 37 min |
| Jul 22, 4:15 PM MST | Severe Thunderstorm Warning | FGZ | 30 min |
| Jul 25, 1:30 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Jul 25, 4:03 PM MST | Areal Flood Advisory | FGZ | 117 min |
| Jul 25, 5:20 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Jul 27, 4:08 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Aug 3, 12:44 PM MST | Severe Thunderstorm Warning | FGZ | 46 min |
| Aug 3, 3:45 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Aug 5, 12:58 PM MST | Areal Flood Advisory | FGZ | 62 min |
| Aug 7, 3:25 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Aug 8, 5:26 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Aug 8, 5:51 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Aug 9, 3:42 PM MST | Areal Flood Advisory | FGZ | 93 min |
| Aug 10, 2:57 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Aug 10, 4:28 PM MST | Flash Flood Warning | FGZ | 3 hr |
| Aug 10, 5:52 PM MST | Flash Flood Warning | FGZ | 3 hr |
| Aug 15, 2:01 PM MST | Severe Thunderstorm Warning | FGZ | 44 min |
| Aug 15, 3:31 PM MST | Areal Flood Advisory | FGZ | 62 min |
| Aug 15, 3:51 PM MST | Severe Thunderstorm Warning | FGZ | 24 min |
| Aug 15, 4:11 PM MST | Severe Thunderstorm Warning | FGZ | 34 min |
| Aug 15, 4:17 PM MST | Tornado Warning | FGZ | 26 min |
| Aug 15, 4:43 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Aug 15, 4:51 PM MST | Severe Thunderstorm Warning | FGZ | 39 min |
| Aug 15, 4:58 PM MST | Flash Flood Warning | FGZ | 2 hr |
| Aug 15, 5:23 PM MST | Flash Flood Warning | FGZ | 2 hr |
| Aug 15, 5:30 PM MST | Severe Thunderstorm Warning | FGZ | 29 min |
| Aug 15, 6:55 PM MST | Flash Flood Warning | FGZ | 2 hr |
| Aug 16, 7:26 AM MST | Areal Flood Advisory | FGZ | 6 hr |
| Aug 16, 1:11 PM MST | Severe Thunderstorm Warning | FGZ | 34 min |
| Aug 16, 1:26 PM MST | Areal Flood Advisory | FGZ | 92 min |
| Aug 16, 1:46 PM MST | Tornado Warning | FGZ | 29 min |
| Aug 16, 2:16 PM MST | Severe Thunderstorm Warning | FGZ | 29 min |
| Aug 16, 2:38 PM MST | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 16, 2:42 PM MST | Severe Thunderstorm Warning | FGZ | 33 min |
| Aug 16, 2:47 PM MST | Flash Flood Warning | FGZ | 108 min |
| Aug 16, 3:22 PM MST | Severe Thunderstorm Warning | FGZ | 38 min |
| Aug 16, 3:27 PM MST | Flash Flood Warning | FGZ | 3 hr |
| Aug 16, 4:54 PM MST | Mesoscale Discussion | SPC | 66 min |
| Aug 16, 6:26 PM MST | Areal Flood Advisory | FGZ | 12 hr |
| Aug 17, 12:19 AM MST | Flash Flood Warning | FGZ | 6 hr |
| Aug 17, 6:38 AM MST | Flash Flood Warning | FGZ | 12 hr |
| Aug 17, 1:50 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Aug 17, 2:41 PM MST | Severe Thunderstorm Warning | FGZ | 34 min |
| Aug 17, 3:10 PM MST | Flash Flood Warning | FGZ | 3 hr |
| Aug 17, 3:38 PM MST | Severe Thunderstorm Warning | FGZ | 21 min |
| Aug 17, 6:06 PM MST | Flash Flood Warning | FGZ | 12 hr |
| Aug 18, 6:04 AM MST | Flash Flood Warning | FGZ | 6 hr |
| Aug 18, 6:04 AM MST | Flash Flood Warning | FGZ | 6 hr |
| Aug 18, 12:13 PM MST | Areal Flood Warning | FGZ | 6 hr |
| Aug 18, 1:26 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Aug 18, 3:24 PM MST | Areal Flood Advisory | FGZ | 96 min |
| Aug 18, 4:54 PM MST | Severe Thunderstorm Warning | FGZ | 14 min |
| Aug 18, 5:09 PM MST | Severe Thunderstorm Warning | FGZ | 15 min |
| Aug 18, 6:13 PM MST | Areal Flood Warning | FGZ | 18 hr |
| Aug 19, 12:15 PM MST | Areal Flood Advisory | FGZ | 22 hr |
| Aug 25, 2:53 PM MST | Areal Flood Advisory | FGZ | 3 hr |
| Aug 25, 3:35 PM MST | Severe Thunderstorm Warning | FGZ | 25 min |
| Aug 25, 3:57 PM MST | Areal Flood Advisory | FGZ | 2 hr |
| Aug 29, 3:05 PM MST | Severe Thunderstorm Warning | FGZ | 25 min |
| Aug 30, 12:16 PM MST | Flash Flood Warning | FGZ | 4 hr |
| Aug 30, 1:09 PM MST | Severe Thunderstorm Warning | FGZ | 36 min |
| Aug 30, 1:20 PM MST | Flash Flood Watch | FGZ | 14 hr |
| Aug 31, 12:41 PM MST | Areal Flood Advisory | FGZ | 6 hr |
| Sep 3, 3:30 PM MST | Severe Thunderstorm Warning | FGZ | 30 min |
| Sep 8, 3:46 PM MST | Areal Flood Advisory | FGZ | 12 hr |
| Sep 10, 10:57 AM MST | Mesoscale Discussion | SPC | 93 min |
| Sep 10, 11:54 AM MST | Severe Thunderstorm Warning | FGZ | 36 min |
| Oct 5, 2:36 PM MST | Freeze Warning | FGZ | 17 hr |
| Oct 8, 10:26 PM MST | Wind Advisory | FGZ | 21 hr |
| Oct 9, 3:38 PM MST | High Wind Watch | FGZ | 24 hr |
| Oct 9, 3:38 PM MST | Wind Advisory | FGZ | 46 hr |
| Oct 10, 3:38 PM MST | High Wind Warning | FGZ | 26 hr |
| Oct 11, 2:27 PM MST | Freeze Warning | FGZ | 18 hr |
| Nov 4, 2:12 PM MST | Wind Advisory | FGZ | 5 hr |
| Nov 8, 3:30 PM MST | Wind Advisory | FGZ | 27 hr |
| Nov 27, 2:34 AM MST | Severe Thunderstorm Warning | FGZ | 26 min |
| Dec 12, 2:16 PM MST | Wind Advisory | FGZ | 40 hr |
| Dec 13, 11:23 AM MST | High Wind Warning | FGZ | 8 hr |
| Dec 14, 3:42 AM MST | Winter Storm Watch | FGZ | 12 hr |
| Dec 14, 3:57 PM MST | Winter Storm Warning | FGZ | 51 hr |
| Dec 14, 3:57 PM MST | Winter Weather Advisory | FGZ | 51 hr |
| Dec 16, 2:17 PM MST | Flash Flood Watch | FGZ | 27 hr |
| Dec 16, 3:47 PM MST | Winter Storm Watch | FGZ | 14 hr |
| Dec 17, 5:41 AM MST | Winter Storm Warning | FGZ | 30 hr |
| Dec 17, 5:41 AM MST | Winter Weather Advisory | FGZ | 30 hr |
| Dec 17, 10:59 PM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 21, 3:32 PM MST | Winter Weather Advisory | FGZ | 46 hr |
| Dec 23, 5:02 AM MST | Winter Storm Watch | FGZ | 48 hr |
| Dec 24, 3:02 PM MST | Winter Weather Advisory | FGZ | 21 hr |
| Dec 25, 5:29 AM MST | Winter Storm Warning | FGZ | 39 hr |
| Dec 25, 1:19 PM MST | Winter Weather Advisory | FGZ | 26 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.