Alert archive / Pennsylvania / Crawford County
Weather alerts in Crawford County, Pennsylvania, 2012
118 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Crawford County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 118
- Warnings
- 40
- Watches
- 22
- Advisories
- 31
- Busiest month
- July22 alerts
- Busiest day
- July 26, 20128 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 Crawford County in 2012 had a tornado report inside them.
Crawford County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 18 | 15 | 17% | 33 | 88% | 17 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cleveland, OH: tornado warnings | 10 | 0 | 100% | 1 | 0% | |
| NWS Cleveland, OH: severe thunderstorm warnings | 186 | 145 | 22% | 355 | 91% | 20 min |
| NWS Cleveland, OH: flash flood warnings | 4 | 0 | 100% | 0 |
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 1, 3:15 AM EST | Lake Effect Snow Warning | CLE | 63 hr |
| Jan 2, 12:37 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 12, 3:15 PM EST | Winter Storm Warning | CLE | 60 hr |
| Jan 17, 6:48 AM EST | Lake Effect Snow Watch | CLE | 8 hr |
| Jan 17, 3:14 PM EST | Lake Effect Snow Advisory | CLE | 20 hr |
| Jan 17, 5:01 PM EST | Severe Thunderstorm Warning | CLE | 59 min |
| Jan 17, 5:37 PM EST | Mesoscale Discussion | SPC | 113 min |
| Jan 20, 3:04 AM EST | Winter Weather Advisory | CLE | 27 hr |
| Jan 23, 3:22 AM EST | Wind Advisory | CLE | 16 hr |
| Jan 26, 9:58 PM EST | Flood Watch | CLE | 9 hr |
| Feb 10, 2:44 PM EST | Winter Weather Advisory | CLE | 49 hr |
| Feb 11, 11:14 AM EST | Winter Storm Warning | CLE | 23 hr |
| Feb 23, 3:51 AM EST | Dense Fog Advisory | CLE | 5 hr |
| Feb 24, 3:47 AM EST | Wind Advisory | CLE | 6 hr |
| Feb 24, 4:00 AM EST | Lake Effect Snow Advisory | CLE | 39 hr |
| Feb 24, 9:58 AM EST | High Wind Warning | CLE | 9 hr |
| Feb 25, 10:21 AM EST | Lake Effect Snow Warning | CLE | 8 hr |
| Feb 27, 1:21 PM EST | Wind Advisory | CLE | 5 hr |
| Mar 2, 4:15 AM EST | High Wind Watch | CLE | 11 hr |
| Mar 2, 4:15 AM EST | Wind Advisory | CLE | 32 hr |
| Mar 2, 3:10 PM EST | High Wind Warning | CLE | 12 hr |
| Mar 8, 3:30 AM EST | Wind Advisory | CLE | 12 hr |
| Mar 17, 3:23 AM EDT | Dense Fog Advisory | CLE | 6 hr |
| Mar 18, 6:23 AM EDT | Flood Watch | CLE | 15 hr |
| Mar 25, 4:05 AM EDT | Freeze Watch | CLE | 31 hr |
| Mar 26, 3:58 AM EDT | Freeze Warning | CLE | 30 hr |
| Mar 28, 3:08 PM EDT | Wind Advisory | CLE | 5 hr |
| Mar 29, 3:44 AM EDT | Freeze Warning | CLE | 29 hr |
| Mar 31, 3:08 PM EDT | Frost Advisory | CLE | 18 hr |
| Apr 2, 3:16 PM EDT | Freeze Warning | CLE | 17 hr |
| Apr 4, 3:20 PM EDT | Frost Advisory | CLE | 18 hr |
| Apr 4, 3:20 PM EDT | Freeze Watch | CLE | 13 hr |
| Apr 5, 4:20 AM EDT | Freeze Warning | CLE | 29 hr |
| Apr 5, 3:26 PM EDT | Freeze Watch | CLE | 15 hr |
| Apr 6, 6:24 AM EDT | Freeze Warning | CLE | 26 hr |
| Apr 7, 3:21 PM EDT | Frost Advisory | CLE | 18 hr |
| Apr 11, 4:44 AM EDT | Freeze Warning | CLE | 28 hr |
| Apr 12, 4:26 AM EDT | Freeze Watch | CLE | 11 hr |
| Apr 12, 3:11 PM EDT | Freeze Warning | CLE | 18 hr |
| Apr 16, 3:30 AM EDT | Wind Advisory | CLE | 18 hr |
| Apr 17, 3:26 AM EDT | Frost Advisory | CLE | 18 hr |
| Apr 22, 3:22 AM EDT | Winter Storm Watch | CLE | 11 hr |
| Apr 22, 2:51 PM EDT | Winter Storm Warning | CLE | 37 hr |
| Apr 27, 4:05 AM EDT | Freeze Watch | CLE | 11 hr |
| Apr 27, 3:16 PM EDT | Freeze Warning | CLE | 17 hr |
| Apr 28, 4:23 AM EDT | Freeze Watch | CLE | 12 hr |
| Apr 28, 3:58 PM EDT | Freeze Warning | CLE | 17 hr |
| Apr 29, 4:55 AM EDT | Freeze Watch | CLE | 11 hr |
| May 2, 4:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 1:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 9:27 PM EDT | Frost Advisory | CLE | 9 hr |
| May 16, 3:14 PM EDT | Frost Advisory | CLE | 17 hr |
| May 27, 12:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 27, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 28, 2:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| May 29, 9:48 AM EDT | Mesoscale Discussion | SPC | 87 min |
| May 29, 10:27 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 29, 10:45 AM EDT | Severe Thunderstorm Warning | CLE | 60 min |
| May 29, 11:37 AM EDT | Severe Thunderstorm Warning | CLE | 38 min |
| May 29, 12:19 PM EDT | Severe Thunderstorm Warning | CLE | 11 min |
| May 29, 1:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 1, 5:03 PM EDT | Areal Flood Advisory | CLE | 4 hr |
| Jun 28, 11:19 PM EDT | Severe Thunderstorm Warning | CLE | 56 min |
| Jun 28, 11:46 PM EDT | Severe Thunderstorm Warning | CLE | 44 min |
| Jun 29, 12:05 AM EDT | Severe Thunderstorm Warning | CLE | 55 min |
| Jun 29, 12:34 AM EDT | Severe Thunderstorm Warning | CLE | 26 min |
| Jun 29, 12:45 AM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 1, 7:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 3, 7:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 8:00 PM EDT | Severe Thunderstorm Warning | CLE | 45 min |
| Jul 4, 8:38 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 2:09 PM EDT | Severe Thunderstorm Warning | CLE | 51 min |
| Jul 5, 6:16 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 6, 3:48 PM EDT | Heat Advisory | CLE | 27 hr |
| Jul 7, 1:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jul 7, 2:16 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 7, 3:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 1:15 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 4:31 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 26, 12:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 1:15 PM EDT | Severe Thunderstorm Warning | CLE | 60 min |
| Jul 26, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 26, 1:21 PM EDT | Tornado Warning | CLE | 24 min |
| Jul 26, 1:50 PM EDT | Severe Thunderstorm Warning | CLE | 40 min |
| Jul 26, 3:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 27, 1:04 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Jul 28, 12:32 PM EDT | Areal Flood Advisory | CLE | 2 hr |
| Jul 28, 12:45 PM EDT | Tornado Warning | CLE | 24 min |
| Jul 28, 6:22 PM EDT | Areal Flood Advisory | CLE | 2 hr |
| Aug 5, 12:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Aug 8, 4:02 PM EDT | Severe Thunderstorm Warning | CLE | 43 min |
| Aug 8, 4:33 PM EDT | Areal Flood Advisory | CLE | 3 hr |
| Aug 9, 6:57 PM EDT | Severe Thunderstorm Warning | CLE | 63 min |
| Aug 9, 8:16 PM EDT | Severe Thunderstorm Warning | CLE | 48 min |
| Aug 10, 12:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 15, 4:55 AM EDT | Dense Fog Advisory | CLE | 4 hr |
| Sep 6, 4:44 PM EDT | Severe Thunderstorm Warning | CLE | 46 min |
| Sep 7, 2:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 7, 3:22 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 7, 6:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Sep 8, 12:57 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 5:00 AM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 22, 4:27 PM EDT | Severe Thunderstorm Warning | CLE | 63 min |
| Sep 22, 4:54 PM EDT | Severe Thunderstorm Warning | CLE | 49 min |
| Oct 8, 3:06 PM EDT | Frost Advisory | CLE | 18 hr |
| Oct 8, 10:22 PM EDT | Freeze Warning | CLE | 11 hr |
| Oct 27, 3:23 PM EDT | High Wind Watch | CLE | 24 hr |
| Oct 27, 3:32 PM EDT | Flood Watch | CLE | 72 hr |
| Oct 28, 3:26 PM EDT | High Wind Warning | CLE | 44 hr |
| Nov 12, 3:19 AM EST | Wind Advisory | CLE | 12 hr |
| Nov 23, 3:25 PM EST | Lake Effect Snow Advisory | CLE | 29 hr |
| Dec 3, 2:05 AM EST | Dense Fog Advisory | CLE | 8 hr |
| Dec 19, 4:10 PM EST | Wind Advisory | CLE | 33 hr |
| Dec 19, 4:23 PM EST | Winter Storm Watch | CLE | 23 hr |
| Dec 20, 3:01 PM EST | Winter Storm Warning | CLE | 43 hr |
| Dec 24, 3:12 PM EST | Winter Storm Watch | CLE | 12 hr |
| Dec 25, 3:18 AM EST | Winter Storm Warning | CLE | 42 hr |
| Dec 26, 11:40 AM EST | Mesoscale Discussion | SPC | 6 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 | 18 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 25 |
| Flooding | |
| Flood Watch | 3 |
| Areal Flood Advisory | 5 |
| Winter | |
| Lake Effect Snow Warning | 2 |
| Winter Storm Warning | 5 |
| Lake Effect Snow Watch | 1 |
| Winter Storm Watch | 3 |
| Lake Effect Snow Advisory | 3 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 10 |
| Freeze Watch | 7 |
| Frost Advisory | 7 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Wind Advisory | 9 |
| 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 archive20112013
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.