Alert archive / Indiana / Morgan County
Weather alerts in Morgan County, Indiana, 2018
109 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Morgan County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 109
- Warnings
- 45
- Watches
- 10
- Advisories
- 29
- Busiest month
- April22 alerts
- Busiest day
- April 3, 201817 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Morgan County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 4 | 20% | 3 | 67% | 19 min |
| Flash flood warnings | 2 | 2 | 0% | 2 | 100% | 67 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Indianapolis, IN: tornado warnings | 13 | 2 | 85% | 8 | 38% | 12 min |
| NWS Indianapolis, IN: severe thunderstorm warnings | 78 | 37 | 53% | 140 | 57% | 16 min |
| NWS Indianapolis, IN: flash flood warnings | 22 | 16 | 27% | 30 | 97% | 182 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 2, 3:13 PM EST | Wind Chill Advisory | IND | 16 hr |
| Jan 4, 3:38 PM EST | Wind Chill Advisory | IND | 19 hr |
| Jan 5, 3:59 PM EST | Wind Chill Advisory | IND | 19 hr |
| Jan 7, 3:42 AM EST | Winter Weather Advisory | IND | 33 hr |
| Jan 7, 7:16 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 10, 3:39 PM EST | Winter Storm Watch | IND | 23 hr |
| Jan 11, 2:53 PM EST | Winter Weather Advisory | IND | 31 hr |
| Jan 12, 3:04 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 14, 2:53 PM EST | Winter Weather Advisory | IND | 28 hr |
| Jan 15, 3:06 PM EST | Wind Chill Advisory | IND | 21 hr |
| Jan 22, 8:24 PM EST | Special Weather Statement | IND | 51 min |
| Feb 6, 3:50 AM EST | Winter Weather Advisory | IND | 30 hr |
| Feb 10, 3:30 PM EST | Winter Weather Advisory | IND | 22 hr |
| Feb 15, 6:51 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 18, 10:36 PM EST | River Flood Warning | IND | 62 hr |
| Feb 18, 10:36 PM EST | River Flood Warning | IND | 9 days |
| Feb 18, 10:36 PM EST | River Flood Warning | IND | 9 days |
| Feb 19, 9:57 AM EST | River Flood Warning | IND | 8 days |
| Feb 19, 3:29 PM EST | Flood Watch | IND | 40 hr |
| Feb 22, 3:39 PM EST | Flood Watch | IND | 60 hr |
| Feb 23, 11:30 AM EST | River Flood Warning | IND | 5 days |
| Mar 1, 7:02 PM EST | River Flood Warning | IND | 54 hr |
| Mar 22, 3:56 AM EDT | Winter Storm Watch | IND | 35 hr |
| Mar 23, 3:19 PM EDT | Winter Weather Advisory | IND | 31 hr |
| Mar 24, 4:10 AM EDT | Winter Storm Warning | IND | 18 hr |
| Mar 26, 3:27 PM EDT | Flood Watch | IND | 36 hr |
| Mar 29, 9:48 PM EDT | River Flood Warning | IND | 4 days |
| Mar 29, 9:48 PM EDT | River Flood Warning | IND | 4 days |
| Mar 29, 10:04 PM EDT | River Flood Warning | IND | 65 hr |
| Mar 30, 7:14 AM EDT | River Flood Warning | IND | 45 hr |
| Apr 1, 2:52 PM EDT | Winter Weather Advisory | IND | 10 hr |
| Apr 3, 5:22 AM EDT | Areal Flood Advisory | IND | 6 hr |
| Apr 3, 5:53 AM EDT | Areal Flood Warning | IND | 6 hr |
| Apr 3, 6:56 AM EDT | Flash Flood Warning | IND | 6 hr |
| Apr 3, 7:07 AM EDT | River Flood Warning | IND | 4 days |
| Apr 3, 7:07 AM EDT | River Flood Warning | IND | 5 days |
| Apr 3, 7:07 AM EDT | River Flood Warning | IND | 5 days |
| Apr 3, 8:02 AM EDT | River Flood Warning | IND | 27 hr |
| Apr 3, 8:36 AM EDT | Flash Flood Warning | IND | 8 hr |
| Apr 3, 11:14 AM EDT | River Flood Warning | IND | 3 days |
| Apr 3, 11:31 AM EDT | Severe Thunderstorm Warning | IND | 44 min |
| Apr 3, 12:41 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 3, 1:06 PM EDT | Areal Flood Warning | IND | 6 hr |
| Apr 3, 1:16 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 3, 2:10 PM EDT | Severe Thunderstorm Warning | IND | 35 min |
| Apr 3, 3:49 PM EDT | Areal Flood Warning | IND | 6 hr |
| Apr 3, 6:50 PM EDT | Areal Flood Warning | IND | 3 hr |
| Apr 3, 7:30 PM EDT | Tornado Watch | SPC | 5 hr |
| Apr 15, 3:53 PM EDT | Freeze Warning | IND | 18 hr |
| Apr 16, 3:34 AM EDT | Freeze Warning | IND | 30 hr |
| Apr 19, 2:41 AM EDT | Freeze Warning | IND | 30 hr |
| Apr 28, 3:04 AM EDT | Freeze Warning | IND | 29 hr |
| May 1, 3:34 AM EDT | Red Flag Warning | IND | 16 hr |
| May 12, 4:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 21, 4:15 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 21, 4:25 PM EDT | Special Weather Statement | IND | 50 min |
| May 21, 4:29 PM EDT | Severe Thunderstorm Warning | IND | 31 min |
| May 31, 11:31 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 31, 2:05 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 9, 1:18 PM EDT | Special Weather Statement | IND | 42 min |
| Jun 10, 7:38 AM EDT | Special Weather Statement | IND | 52 min |
| Jun 10, 11:04 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 10, 3:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 10, 3:56 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 10, 4:46 PM EDT | Severe Thunderstorm Warning | IND | 44 min |
| Jun 10, 5:23 PM EDT | Severe Thunderstorm Warning | IND | 37 min |
| Jun 13, 4:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 3:31 AM EDT | Heat Advisory | IND | 16 hr |
| Jun 28, 3:19 PM EDT | Heat Advisory | IND | 3 days |
| Jul 3, 3:49 AM EDT | Heat Advisory | IND | 61 hr |
| Aug 1, 6:42 AM EDT | Dense Fog Advisory | IND | 2 hr |
| Aug 10, 5:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Aug 25, 8:53 AM EDT | Special Weather Statement | IND | 37 min |
| Aug 25, 6:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 31, 3:46 PM EDT | Special Weather Statement | IND | 14 min |
| Sep 6, 3:32 PM EDT | Flash Flood Watch | IND | 67 hr |
| Sep 7, 9:39 PM EDT | River Flood Warning | IND | 5 days |
| Sep 7, 9:39 PM EDT | River Flood Warning | IND | 4 days |
| Sep 7, 9:39 PM EDT | River Flood Warning | IND | 3 days |
| Sep 7, 9:39 PM EDT | River Flood Warning | IND | 6 days |
| Sep 8, 12:32 PM EDT | River Flood Warning | IND | 37 hr |
| Sep 8, 6:46 PM EDT | Areal Flood Warning | IND | 9 hr |
| Sep 11, 3:34 AM EDT | Dense Fog Advisory | IND | 5 hr |
| Sep 25, 6:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 28, 2:21 AM EDT | Dense Fog Advisory | IND | 8 hr |
| Oct 7, 6:37 AM EDT | Dense Fog Advisory | IND | 2 hr |
| Oct 15, 3:03 AM EDT | Frost Advisory | IND | 30 hr |
| Oct 15, 2:56 PM EDT | Freeze Warning | IND | 18 hr |
| Oct 17, 2:53 AM EDT | Freeze Warning | IND | 30 hr |
| Oct 20, 10:49 AM EDT | Wind Advisory | IND | 11 hr |
| Oct 27, 3:09 PM EDT | Wind Advisory | IND | 28 hr |
| Nov 1, 10:54 PM EDT | River Flood Warning | IND | 64 hr |
| Nov 1, 10:54 PM EDT | River Flood Warning | IND | 69 hr |
| Nov 1, 10:54 PM EDT | River Flood Warning | IND | 71 hr |
| Nov 2, 11:39 AM EDT | River Flood Warning | IND | 42 hr |
| Nov 14, 2:50 AM EST | Winter Weather Advisory | IND | 40 hr |
| Nov 14, 7:03 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 1:11 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Nov 15, 1:18 AM EST | Ice Storm Warning | IND | 11 hr |
| Nov 15, 1:18 AM EST | Winter Weather Advisory | IND | 18 hr |
| Nov 25, 7:40 AM EST | Dense Fog Advisory | IND | 2 hr |
| Nov 25, 9:51 PM EST | Wind Advisory | IND | 12 hr |
| Nov 30, 3:38 AM EST | Dense Fog Advisory | IND | 6 hr |
| Dec 6, 10:42 AM EST | Special Weather Statement | IND | 18 min |
| Dec 6, 2:11 PM EST | Special Weather Statement | IND | 3 hr |
| Dec 6, 2:36 PM EST | Special Weather Statement | IND | 5 hr |
| Dec 6, 7:55 PM EST | Special Weather Statement | IND | 10 hr |
| Dec 27, 3:00 PM EST | Wind Advisory | IND | 6 hr |
| Dec 31, 3:42 AM EST | Wind Advisory | IND | 20 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 | 5 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 10 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 2 |
| River Flood Warning | 24 |
| Flash Flood Watch | 1 |
| Flood Watch | 3 |
| Areal Flood Advisory | 1 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 6 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.