Alert archive / Ohio / Portage County
Weather alerts in Portage County, Ohio, 2009
83 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Portage County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 83
- Warnings
- 27
- Watches
- 12
- Advisories
- 28
- Busiest month
- January15 alerts
- Busiest day
- June 25, 20099 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 Portage County in 2009 had a tornado report inside them.
Portage County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 13 | 7 | 46% | 5 | 100% | 8 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cleveland, OH: tornado warnings | 13 | 2 | 85% | 3 | 67% | 19 min |
| NWS Cleveland, OH: severe thunderstorm warnings | 132 | 84 | 36% | 137 | 92% | 24 min |
| NWS Cleveland, OH: flash flood warnings | 14 | 2 | 86% | 6 | 83% | 75 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 3, 9:27 PM EST | Freezing Rain Advisory | CLE | 14 hr |
| Jan 4, 11:59 AM EST | Dense Fog Advisory | CLE | 8 hr |
| Jan 5, 9:53 PM EST | Winter Weather Advisory | CLE | 36 hr |
| Jan 8, 4:10 PM EST | Winter Storm Watch | CLE | 19 hr |
| Jan 9, 11:12 AM EST | Winter Storm Warning | CLE | 32 hr |
| Jan 10, 6:33 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 10, 3:29 PM EST | Winter Weather Advisory | CLE | 13 hr |
| Jan 12, 2:51 PM EST | Wind Chill Advisory | CLE | 31 hr |
| Jan 12, 2:51 PM EST | Winter Weather Advisory | CLE | 31 hr |
| Jan 14, 3:50 PM EST | Wind Chill Advisory | CLE | 69 hr |
| Jan 15, 3:54 AM EST | Wind Chill Warning | CLE | 34 hr |
| Jan 26, 2:41 PM EST | Winter Storm Watch | CLE | 13 hr |
| Jan 27, 3:29 AM EST | Winter Storm Warning | CLE | 40 hr |
| Jan 28, 12:31 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 28, 7:40 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 10, 3:10 PM EST | High Wind Watch | CLE | 12 hr |
| Feb 11, 3:11 AM EST | High Wind Warning | CLE | 31 hr |
| Feb 11, 5:53 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Feb 11, 7:13 PM EST | Severe Thunderstorm Warning | CLE | 62 min |
| Feb 11, 7:36 PM EST | Areal Flood Advisory | CLE | 4 hr |
| Feb 11, 11:31 PM EST | Areal Flood Advisory | CLE | 14 hr |
| Feb 12, 3:56 AM EST | Wind Advisory | CLE | 15 hr |
| Feb 12, 6:44 AM EST | River Flood Warning | CLE | 30 hr |
| Feb 19, 2:46 PM EST | Lake Effect Snow Advisory | CLE | 30 hr |
| Mar 6, 3:39 PM EST | Flood Watch | CLE | 54 hr |
| Mar 7, 9:59 AM EST | Severe Thunderstorm Warning | CLE | 23 min |
| Mar 8, 3:15 PM EDT | Wind Advisory | CLE | 18 hr |
| Mar 8, 3:49 PM EDT | River Flood Warning | CLE | 6 hr |
| Mar 9, 3:30 PM EDT | Flood Watch | CLE | 41 hr |
| Mar 10, 4:41 AM EDT | Wind Advisory | CLE | 35 hr |
| Mar 11, 1:01 AM EDT | River Flood Warning | CLE | 8 hr |
| Mar 17, 7:16 AM EDT | Dense Fog Advisory | CLE | 3 hr |
| Apr 3, 3:02 PM EDT | Wind Advisory | CLE | 13 hr |
| Apr 6, 3:15 PM EDT | Lake Effect Snow Advisory | CLE | 37 hr |
| May 7, 2:58 AM EDT | Dense Fog Advisory | CLE | 7 hr |
| May 8, 2:59 PM EDT | Wind Advisory | CLE | 28 hr |
| May 11, 3:21 PM EDT | Frost Advisory | CLE | 17 hr |
| May 17, 3:09 AM EDT | Frost Advisory | CLE | 29 hr |
| May 17, 3:09 AM EDT | Freeze Warning | CLE | 29 hr |
| May 18, 3:02 PM EDT | Frost Advisory | CLE | 17 hr |
| May 27, 5:03 PM EDT | Severe Thunderstorm Warning | CLE | 57 min |
| May 29, 8:55 PM EDT | Severe Thunderstorm Warning | CLE | 33 min |
| Jun 1, 9:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 1, 10:58 PM EDT | Severe Thunderstorm Warning | CLE | 22 min |
| Jun 17, 2:00 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 17, 4:59 PM EDT | Severe Thunderstorm Warning | CLE | 46 min |
| Jun 19, 10:24 AM EDT | Flash Flood Watch | CLE | 17 hr |
| Jun 25, 1:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 25, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 25, 3:12 PM EDT | Severe Thunderstorm Warning | CLE | 48 min |
| Jun 25, 3:25 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jun 25, 3:55 PM EDT | Flash Flood Warning | CLE | 4 hr |
| Jun 25, 4:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 25, 6:58 PM EDT | Severe Thunderstorm Warning | CLE | 62 min |
| Jun 25, 7:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 25, 7:17 PM EDT | Severe Thunderstorm Warning | CLE | 58 min |
| Jun 25, 8:38 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 21, 1:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jul 21, 2:51 PM EDT | Severe Thunderstorm Warning | CLE | 54 min |
| Aug 10, 2:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 3:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 10, 3:19 PM EDT | Severe Thunderstorm Warning | CLE | 56 min |
| Aug 10, 4:12 PM EDT | Severe Thunderstorm Warning | CLE | 33 min |
| Aug 11, 12:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 2:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 20, 11:42 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 20, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 20, 6:00 PM EDT | Severe Thunderstorm Warning | CLE | 60 min |
| Aug 20, 6:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 20, 6:43 PM EDT | Tornado Warning | CLE | 30 min |
| Aug 28, 2:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 27, 3:48 PM EDT | Wind Advisory | CLE | 35 hr |
| Sep 30, 4:00 AM EDT | Frost Advisory | CLE | 29 hr |
| Oct 6, 3:19 PM EDT | Wind Advisory | CLE | 22 hr |
| Oct 8, 3:35 PM EDT | Flood Watch | CLE | 19 hr |
| Oct 11, 3:07 PM EDT | Freeze Warning | CLE | 13 hr |
| Oct 17, 4:00 PM EDT | Freeze Warning | CLE | 17 hr |
| Oct 18, 3:19 PM EDT | Freeze Warning | CLE | 18 hr |
| Dec 8, 4:01 AM EST | High Wind Watch | CLE | 11 hr |
| Dec 8, 2:39 PM EST | High Wind Warning | CLE | 31 hr |
| Dec 13, 5:07 AM EST | Freezing Rain Advisory | CLE | 4 hr |
| Dec 27, 3:28 PM EST | Lake Effect Snow Advisory | CLE | 44 hr |
| Dec 27, 3:28 PM EST | Winter Weather Advisory | CLE | 12 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 archive20082010
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.