Alert archive / Nebraska / McPherson County
Weather alerts in McPherson County, Nebraska, 2009
160 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McPherson County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 160
- Warnings
- 44
- Watches
- 32
- Advisories
- 35
- Busiest month
- June40 alerts
- Busiest day
- June 23, 200910 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 McPherson County in 2009 had a tornado report inside them.
McPherson County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 25 | 9 | 64% | 8 | 63% | 6 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS North Platte, NE: tornado warnings | 71 | 11 | 85% | 20 | 65% | 15 min |
| NWS North Platte, NE: severe thunderstorm warnings | 416 | 197 | 53% | 456 | 76% | 22 min |
| NWS North Platte, NE: flash flood warnings | 8 | 4 | 50% | 4 | 100% | 61 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 9, 3:34 AM CST | Wind Advisory | LBF | 14 hr |
| Jan 11, 3:16 PM CST | Wind Advisory | LBF | 27 hr |
| Jan 12, 2:46 AM CST | High Wind Warning | LBF | 13 hr |
| Jan 14, 2:58 AM CST | Wind Advisory | LBF | 7 hr |
| Jan 17, 3:17 AM CST | Wind Advisory | LBF | 12 hr |
| Jan 18, 3:30 AM CST | Wind Advisory | LBF | 15 hr |
| Jan 19, 3:19 AM CST | Wind Advisory | LBF | 15 hr |
| Jan 24, 3:29 AM CST | Winter Weather Advisory | LBF | 64 hr |
| Feb 6, 3:43 AM CST | Red Flag Warning | LBF | 14 hr |
| Feb 9, 11:44 AM CST | Wind Advisory | LBF | 8 hr |
| Feb 11, 2:57 PM CST | Winter Storm Watch | LBF | 24 hr |
| Feb 12, 3:24 PM CST | Winter Storm Warning | LBF | 24 hr |
| Mar 7, 3:40 AM CST | Winter Storm Warning | LBF | 29 hr |
| Mar 7, 3:40 AM CST | Winter Weather Advisory | LBF | 29 hr |
| Mar 15, 3:10 PM CDT | Fire Weather Watch | LBF | 13 hr |
| Mar 16, 3:50 AM CDT | Red Flag Warning | LBF | 16 hr |
| Mar 21, 2:28 AM CDT | Dense Fog Advisory | LBF | 8 hr |
| Mar 22, 3:26 PM CDT | Winter Weather Advisory | LBF | 51 hr |
| Mar 24, 3:41 AM CDT | Wind Advisory | LBF | 17 hr |
| Mar 30, 4:43 AM CDT | Winter Weather Advisory | LBF | 32 hr |
| Mar 30, 10:02 PM CDT | Wind Advisory | LBF | 21 hr |
| Apr 2, 3:28 AM CDT | Winter Storm Watch | LBF | 24 hr |
| Apr 3, 3:36 AM CDT | Blizzard Warning | LBF | 51 hr |
| Apr 4, 11:25 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 4, 3:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 5, 6:28 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Apr 5, 7:03 AM CDT | Winter Weather Advisory | LBF | 6 hr |
| Apr 9, 3:56 AM CDT | Winter Weather Advisory | LBF | 17 hr |
| Apr 14, 5:28 PM CDT | Wind Advisory | LBF | 28 hr |
| Apr 22, 3:03 PM CDT | Fire Weather Watch | LBF | 13 hr |
| Apr 23, 4:18 AM CDT | Red Flag Warning | LBF | 16 hr |
| Apr 29, 10:30 PM CDT | Severe Thunderstorm Warning | LBF | 45 min |
| May 8, 2:13 PM CDT | Wind Advisory | LBF | 5 hr |
| May 12, 3:09 PM CDT | Wind Advisory | LBF | 29 hr |
| May 12, 7:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 12, 11:38 PM CDT | Severe Thunderstorm Warning | LBF | 52 min |
| May 12, 11:40 PM CDT | Severe Thunderstorm Warning | LBF | 24 min |
| May 13, 3:29 PM CDT | Frost Advisory | LBF | 17 hr |
| May 19, 2:58 PM CDT | Red Flag Warning | LBF | 4 hr |
| May 20, 3:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 22, 7:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 6:06 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 5, 11:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 6, 5:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 6, 5:51 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 6, 9:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 7, 1:35 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Jun 13, 5:26 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 13, 6:21 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 14, 7:46 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 17, 3:30 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 17, 5:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 17, 10:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 17, 11:01 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 1:30 AM CDT | Severe Thunderstorm Warning | LBF | 30 min |
| Jun 18, 1:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 18, 1:51 AM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| Jun 18, 2:01 AM CDT | Severe Thunderstorm Warning | LBF | 29 min |
| Jun 18, 6:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 18, 11:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 18, 11:55 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 23, 1:07 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 23, 1:38 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 3:17 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 23, 3:30 AM CDT | Severe Thunderstorm Warning | LBF | 30 min |
| Jun 23, 4:43 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 23, 2:39 PM CDT | Mesoscale Discussion | SPC | 111 min |
| Jun 23, 6:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 23, 6:17 PM CDT | Severe Thunderstorm Warning | LBF | 43 min |
| Jun 23, 6:25 PM CDT | Tornado Warning | LBF | 35 min |
| Jun 23, 6:37 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 23, 9:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 26, 3:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 26, 4:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 26, 4:50 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 26, 5:42 PM CDT | Severe Thunderstorm Warning | LBF | 63 min |
| Jun 26, 6:13 PM CDT | Severe Thunderstorm Warning | LBF | 32 min |
| Jun 26, 6:33 PM CDT | Severe Thunderstorm Warning | LBF | 57 min |
| Jun 26, 7:00 PM CDT | Severe Thunderstorm Warning | LBF | 30 min |
| Jun 26, 7:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 26, 8:42 PM CDT | Severe Thunderstorm Warning | LBF | 63 min |
| Jul 1, 5:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 1, 10:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 2, 1:07 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 2, 7:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 3, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 6:07 PM CDT | Severe Thunderstorm Warning | LBF | 23 min |
| Jul 3, 6:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 7, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 8, 12:37 AM CDT | Severe Thunderstorm Warning | LBF | 53 min |
| Jul 11, 11:09 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 13, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 7:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 13, 9:01 PM CDT | Severe Thunderstorm Warning | LBF | 44 min |
| Jul 16, 4:12 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 11:07 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Jul 17, 11:40 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 19, 9:13 PM CDT | Severe Thunderstorm Warning | LBF | 47 min |
| Jul 20, 3:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 20, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 6:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 22, 5:23 PM CDT | Severe Thunderstorm Warning | LBF | 52 min |
| Jul 23, 2:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 23, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 6:20 PM CDT | Tornado Warning | LBF | 55 min |
| Jul 23, 7:14 PM CDT | Tornado Warning | LBF | 61 min |
| Jul 23, 7:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jul 31, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 3, 7:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 3, 8:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 3, 10:06 PM CDT | Severe Thunderstorm Warning | LBF | 39 min |
| Aug 3, 10:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 10:45 PM CDT | Severe Thunderstorm Warning | LBF | 60 min |
| Aug 3, 11:41 PM CDT | Severe Thunderstorm Warning | LBF | 49 min |
| Aug 4, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 11:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 5, 12:44 AM CDT | Severe Thunderstorm Warning | LBF | 46 min |
| Aug 6, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 2:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 12, 5:30 PM CDT | Severe Thunderstorm Warning | LBF | 30 min |
| Aug 14, 2:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Aug 14, 4:28 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 14, 7:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 15, 6:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Aug 15, 7:36 PM CDT | Severe Thunderstorm Warning | LBF | 54 min |
| Aug 15, 8:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 15, 8:23 PM CDT | Severe Thunderstorm Warning | LBF | 67 min |
| Aug 18, 3:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 18, 6:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 18, 9:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Sep 3, 4:16 AM CDT | Dense Fog Advisory | LBF | 5 hr |
| Sep 5, 1:09 AM CDT | Dense Fog Advisory | LBF | 9 hr |
| Sep 8, 2:53 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 8, 7:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 2:34 PM CDT | Wind Advisory | LBF | 25 hr |
| Sep 27, 3:54 PM CDT | Freeze Warning | LBF | 18 hr |
| Sep 30, 3:35 AM CDT | High Wind Watch | LBF | 24 hr |
| Sep 30, 3:57 PM CDT | Wind Advisory | LBF | 49 hr |
| Sep 30, 6:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 1, 3:51 AM CDT | High Wind Warning | LBF | 17 hr |
| Oct 2, 1:58 PM CDT | Freeze Warning | LBF | 19 hr |
| Oct 9, 1:53 PM CDT | Winter Weather Advisory | LBF | 20 hr |
| Oct 10, 2:34 AM CDT | Winter Storm Warning | LBF | 7 hr |
| Oct 11, 3:41 AM CDT | Winter Weather Advisory | LBF | 30 hr |
| Oct 13, 9:34 AM CDT | Freezing Rain Advisory | LBF | 6 hr |
| Oct 20, 7:07 AM CDT | Dense Fog Advisory | LBF | 5 hr |
| Oct 27, 3:14 AM CDT | Winter Storm Watch | LBF | 25 hr |
| Oct 27, 4:04 PM CDT | Winter Storm Warning | LBF | 66 hr |
| Oct 29, 3:08 AM CDT | Winter Weather Advisory | LBF | 34 hr |
| Oct 29, 6:57 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Nov 6, 9:23 AM CST | Red Flag Warning | LBF | 9 hr |
| Dec 6, 3:13 AM CST | Winter Weather Advisory | LBF | 15 hr |
| Dec 7, 3:18 PM CST | Winter Weather Advisory | LBF | 36 hr |
| Dec 8, 3:41 AM CST | Wind Chill Advisory | LBF | 30 hr |
| Dec 9, 3:43 PM CST | Wind Chill Advisory | LBF | 18 hr |
| Dec 21, 4:13 AM CST | Winter Storm Watch | LBF | 11 hr |
| Dec 21, 3:40 PM CST | Winter Storm Warning | LBF | 5 days |
| Dec 21, 5:15 PM CST | Winter Weather Advisory | LBF | 6 hr |
| Dec 24, 4:44 AM CST | Winter Weather Advisory | LBF | 3 days |
| Dec 24, 3:40 PM CST | Blizzard Warning | LBF | 44 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 | 25 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 20 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 49 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 4 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 13 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 14 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 2 |
| 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 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.