Alert archive / South Carolina / Georgetown County
Weather alerts in Georgetown County, South Carolina, 2012
224 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Georgetown County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 224
- Warnings
- 39
- Watches
- 22
- Advisories
- 52
- Busiest month
- July52 alerts
- Busiest day
- May 15, 20129 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 Georgetown County in 2012 had a tornado report inside them.
Georgetown County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 25 | 15 | 40% | 19 | 68% | 38 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 Wilmington, NC: tornado warnings | 11 | 1 | 91% | 1 | 100% | 9 min |
| NWS Wilmington, NC: severe thunderstorm warnings | 162 | 103 | 36% | 264 | 82% | 25 min |
| NWS Wilmington, NC: flash flood warnings | 1 | 1 | 0% | 3 | 100% | 57 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 21, 3:42 PM EST | Special Weather Statement | ILM | 63 min |
| Jan 26, 4:10 AM EST | Dense Fog Advisory | ILM | 2 hr |
| Feb 24, 12:43 PM EST | Mesoscale Discussion | SPC | 92 min |
| Feb 24, 1:19 PM EST | Tornado Watch | SPC | 7 hr |
| Feb 24, 1:50 PM EST | Mesoscale Discussion | SPC | 85 min |
| Feb 24, 3:05 PM EST | Special Weather Statement | ILM | 55 min |
| Feb 24, 4:45 PM EST | Mesoscale Discussion | SPC | 90 min |
| Feb 24, 5:04 PM EST | Severe Thunderstorm Warning | ILM | 56 min |
| Feb 24, 6:03 PM EST | Special Weather Statement | ILM | 27 min |
| Mar 2, 6:29 PM EST | Dense Fog Advisory | ILM | 9 hr |
| Mar 5, 7:42 AM EST | Wind Advisory | ILM | 8 hr |
| Mar 16, 5:40 PM EDT | Special Weather Statement | ILM | 50 min |
| Mar 17, 4:17 PM EDT | Special Weather Statement | CHS | 28 min |
| Mar 18, 10:40 PM EDT | Dense Fog Advisory | ILM | 10 hr |
| Mar 19, 4:32 PM EDT | Severe Thunderstorm Warning | ILM | 47 min |
| Mar 23, 4:39 AM EDT | Dense Fog Advisory | ILM | 4 hr |
| Mar 24, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 24, 4:22 PM EDT | Areal Flood Advisory | ILM | 83 min |
| Mar 24, 4:24 PM EDT | Special Weather Statement | CHS | 21 min |
| Mar 24, 7:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Mar 24, 8:43 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 24, 10:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Mar 25, 12:33 AM EDT | Mesoscale Discussion | SPC | 57 min |
| Apr 2, 1:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Apr 5, 1:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Apr 5, 1:47 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 5, 2:11 PM EDT | Special Weather Statement | ILM | 64 min |
| Apr 5, 2:34 PM EDT | Severe Thunderstorm Warning | ILM | 56 min |
| Apr 5, 2:55 PM EDT | Special Weather Statement | ILM | 50 min |
| Apr 5, 3:01 PM EDT | Severe Thunderstorm Warning | ILM | 32 min |
| Apr 5, 3:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 5, 6:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 6, 3:36 AM EDT | Coastal Flood Advisory | ILM | 20 hr |
| Apr 7, 11:26 AM EDT | Coastal Flood Advisory | ILM | 14 hr |
| Apr 8, 12:55 PM EDT | Coastal Flood Advisory | ILM | 13 hr |
| Apr 9, 11:47 AM EDT | Fire Weather Watch | ILM | 16 hr |
| Apr 11, 3:31 AM EDT | Freeze Watch | ILM | 8 hr |
| Apr 11, 11:44 AM EDT | Frost Advisory | ILM | 20 hr |
| Apr 18, 6:42 PM EDT | Special Weather Statement | ILM | 63 min |
| Apr 21, 5:18 AM EDT | Dense Fog Advisory | ILM | 3 hr |
| Apr 21, 12:52 PM EDT | Special Weather Statement | ILM | 23 min |
| Apr 21, 1:23 PM EDT | Special Weather Statement | ILM | 52 min |
| Apr 21, 2:43 PM EDT | Special Weather Statement | ILM | 62 min |
| Apr 24, 7:52 PM EDT | Special Weather Statement | ILM | 53 min |
| Apr 27, 11:34 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 27, 5:36 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 27, 8:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 5, 2:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 5, 6:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| May 5, 8:45 PM EDT | Special Weather Statement | ILM | 60 min |
| May 5, 8:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 5, 8:48 PM EDT | Severe Thunderstorm Warning | ILM | 57 min |
| May 5, 9:51 PM EDT | Special Weather Statement | ILM | 54 min |
| May 6, 3:35 AM EDT | Coastal Flood Advisory | ILM | 21 hr |
| May 7, 1:58 AM EDT | Coastal Flood Advisory | ILM | 24 hr |
| May 9, 3:55 PM EDT | Special Weather Statement | ILM | 65 min |
| May 14, 2:30 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 14, 3:22 PM EDT | Severe Thunderstorm Warning | ILM | 32 min |
| May 14, 4:23 PM EDT | Severe Thunderstorm Warning | ILM | 67 min |
| May 15, 1:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 15, 1:54 PM EDT | Special Weather Statement | ILM | 36 min |
| May 15, 1:59 PM EDT | Severe Thunderstorm Warning | ILM | 46 min |
| May 15, 2:04 PM EDT | Tornado Warning | ILM | 26 min |
| May 15, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 15, 2:29 PM EDT | Areal Flood Warning | ILM | 37 min |
| May 15, 4:42 PM EDT | Special Weather Statement | ILM | 63 min |
| May 15, 5:22 PM EDT | Areal Flood Warning | ILM | 2 hr |
| May 15, 6:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 15, 8:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 16, 1:57 PM EDT | Areal Flood Advisory | ILM | 111 min |
| May 16, 2:25 PM EDT | Areal Flood Warning | ILM | 105 min |
| May 16, 4:09 PM EDT | Areal Flood Advisory | ILM | 96 min |
| May 16, 5:38 PM EDT | Special Weather Statement | ILM | 67 min |
| May 16, 5:49 PM EDT | Areal Flood Warning | ILM | 3 hr |
| May 16, 5:53 PM EDT | Severe Thunderstorm Warning | ILM | 32 min |
| May 16, 8:08 PM EDT | Areal Flood Advisory | ILM | 31 min |
| May 16, 8:37 PM EDT | Areal Flood Warning | ILM | 3 hr |
| May 22, 1:06 PM EDT | Severe Thunderstorm Warning | ILM | 54 min |
| May 22, 1:28 PM EDT | Severe Thunderstorm Warning | ILM | 20 min |
| May 22, 1:57 PM EDT | Severe Thunderstorm Warning | ILM | 63 min |
| May 22, 2:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 22, 3:54 PM EDT | Severe Thunderstorm Warning | ILM | 34 min |
| May 22, 4:44 PM EDT | Special Weather Statement | ILM | 61 min |
| May 22, 5:04 PM EDT | Areal Flood Advisory | ILM | 56 min |
| May 22, 6:10 PM EDT | Areal Flood Warning | ILM | 3 hr |
| May 22, 6:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 22, 8:32 PM EDT | Severe Thunderstorm Warning | ILM | 24 min |
| May 23, 1:15 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 23, 1:44 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 23, 2:25 PM EDT | Special Weather Statement | ILM | 65 min |
| May 23, 3:27 PM EDT | Special Weather Statement | ILM | 63 min |
| May 23, 4:09 PM EDT | Severe Thunderstorm Warning | ILM | 24 min |
| May 23, 4:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 23, 6:17 PM EDT | Special Weather Statement | ILM | 58 min |
| May 25, 3:55 PM EDT | Rip Current Statement | ILM | 52 hr |
| May 29, 3:13 AM EDT | Flood Watch | ILM | 36 hr |
| May 29, 4:54 PM EDT | Rip Current Statement | ILM | 27 hr |
| Jun 1, 1:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 1, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 1, 4:31 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 1, 5:45 PM EDT | Severe Thunderstorm Warning | ILM | 60 min |
| Jun 1, 7:11 PM EDT | Special Weather Statement | ILM | 64 min |
| Jun 1, 7:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 3:50 AM EDT | Coastal Flood Advisory | ILM | 20 hr |
| Jun 5, 3:50 AM EDT | Coastal Flood Advisory | ILM | 20 hr |
| Jun 6, 3:47 AM EDT | Coastal Flood Advisory | ILM | 22 hr |
| Jun 11, 4:28 PM EDT | Special Weather Statement | ILM | 62 min |
| Jun 11, 5:21 PM EDT | Severe Thunderstorm Warning | ILM | 54 min |
| Jun 13, 7:50 AM EDT | Areal Flood Advisory | ILM | 106 min |
| Jun 27, 2:00 PM EDT | Excessive Heat Watch | ILM | 49 hr |
| Jun 28, 2:26 PM EDT | Heat Advisory | ILM | 30 hr |
| Jun 29, 3:11 PM EDT | Excessive Heat Warning | ILM | 51 hr |
| Jun 29, 3:11 PM EDT | Heat Advisory | ILM | 51 hr |
| Jul 1, 1:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 1, 2:01 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 1, 4:15 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 1, 5:06 PM EDT | Severe Thunderstorm Warning | ILM | 69 min |
| Jul 1, 5:30 PM EDT | Severe Thunderstorm Warning | ILM | 75 min |
| Jul 1, 7:39 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 1, 9:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 4, 3:25 PM EDT | Heat Advisory | ILM | 29 hr |
| Jul 5, 3:16 PM EDT | Heat Advisory | ILM | 28 hr |
| Jul 5, 5:01 PM EDT | Special Weather Statement | ILM | 44 min |
| Jul 5, 5:14 PM EDT | Severe Thunderstorm Warning | ILM | 16 min |
| Jul 5, 6:05 PM EDT | Special Weather Statement | ILM | 25 min |
| Jul 6, 2:31 PM EDT | Heat Advisory | ILM | 29 hr |
| Jul 7, 3:52 PM EDT | Heat Advisory | ILM | 28 hr |
| Jul 9, 3:21 AM EDT | Heat Advisory | ILM | 16 hr |
| Jul 9, 10:26 PM EDT | Special Weather Statement | ILM | 49 min |
| Jul 10, 1:51 PM EDT | Special Weather Statement | ILM | 54 min |
| Jul 10, 2:09 PM EDT | Special Weather Statement | CHS | 66 min |
| Jul 10, 3:03 PM EDT | Special Weather Statement | ILM | 57 min |
| Jul 10, 3:26 PM EDT | Areal Flood Advisory | ILM | 2 hr |
| Jul 10, 3:44 PM EDT | Special Weather Statement | ILM | 61 min |
| Jul 10, 4:37 PM EDT | Special Weather Statement | ILM | 53 min |
| Jul 11, 12:56 PM EDT | Special Weather Statement | ILM | 64 min |
| Jul 11, 1:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 1:43 PM EDT | Areal Flood Advisory | ILM | 98 min |
| Jul 11, 2:06 PM EDT | Special Weather Statement | ILM | 54 min |
| Jul 11, 2:51 PM EDT | Severe Thunderstorm Warning | ILM | 43 min |
| Jul 20, 7:01 PM EDT | Special Weather Statement | ILM | 44 min |
| Jul 22, 2:35 PM EDT | Special Weather Statement | CHS | 25 min |
| Jul 22, 2:59 PM EDT | Special Weather Statement | CHS | 31 min |
| Jul 23, 3:19 PM EDT | Heat Advisory | ILM | 28 hr |
| Jul 24, 3:58 PM EDT | Heat Advisory | ILM | 9 hr |
| Jul 24, 7:04 PM EDT | Special Weather Statement | ILM | 26 min |
| Jul 24, 8:00 PM EDT | Special Weather Statement | ILM | 60 min |
| Jul 24, 8:57 PM EDT | Special Weather Statement | ILM | 48 min |
| Jul 25, 10:01 AM EDT | Special Weather Statement | ILM | 74 min |
| Jul 25, 3:33 PM EDT | Heat Advisory | ILM | 28 hr |
| Jul 26, 10:39 AM EDT | Excessive Heat Warning | ILM | 9 hr |
| Jul 26, 4:08 PM EDT | Heat Advisory | ILM | 27 hr |
| Jul 28, 2:56 PM EDT | Special Weather Statement | ILM | 64 min |
| Jul 28, 4:01 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 4:27 PM EDT | Special Weather Statement | ILM | 63 min |
| Jul 28, 7:28 PM EDT | Mesoscale Discussion | SPC | 32 min |
| Jul 29, 2:32 PM EDT | Special Weather Statement | ILM | 58 min |
| Jul 29, 2:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 29, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 3:36 PM EDT | Special Weather Statement | ILM | 54 min |
| Jul 29, 4:14 PM EDT | Areal Flood Advisory | ILM | 91 min |
| Jul 30, 9:59 AM EDT | Special Weather Statement | ILM | 46 min |
| Jul 30, 10:25 AM EDT | Areal Flood Advisory | ILM | 110 min |
| Jul 30, 10:43 AM EDT | Areal Flood Warning | ILM | 94 min |
| Jul 31, 5:47 PM EDT | Areal Flood Advisory | ILM | 73 min |
| Aug 2, 3:16 PM EDT | Special Weather Statement | ILM | 59 min |
| Aug 2, 7:13 PM EDT | Severe Thunderstorm Warning | ILM | 62 min |
| Aug 2, 7:50 PM EDT | Severe Thunderstorm Warning | ILM | 41 min |
| Aug 9, 10:18 PM EDT | Special Weather Statement | ILM | 57 min |
| Aug 11, 1:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 11, 3:28 PM EDT | Special Weather Statement | ILM | 62 min |
| Aug 17, 5:07 PM EDT | Special Weather Statement | ILM | 53 min |
| Aug 17, 6:12 PM EDT | Special Weather Statement | ILM | 63 min |
| Aug 18, 2:19 PM EDT | Special Weather Statement | ILM | 56 min |
| Aug 19, 9:53 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 19, 10:33 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 22, 3:40 PM EDT | Special Weather Statement | ILM | 35 min |
| Aug 23, 4:35 PM EDT | Areal Flood Advisory | ILM | 115 min |
| Aug 28, 12:20 PM EDT | Flood Watch | ILM | 10 hr |
| Aug 28, 12:47 PM EDT | Special Weather Statement | ILM | 58 min |
| Aug 28, 1:18 PM EDT | Areal Flood Advisory | ILM | 117 min |
| Aug 29, 5:38 PM EDT | Special Weather Statement | ILM | 37 min |
| Aug 29, 6:16 PM EDT | Special Weather Statement | ILM | 44 min |
| Aug 29, 6:57 PM EDT | Areal Flood Warning | ILM | 3 hr |
| Aug 30, 10:27 PM EDT | Dense Fog Advisory | ILM | 8 hr |
| Sep 7, 2:49 PM EDT | Special Weather Statement | ILM | 56 min |
| Sep 18, 11:35 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Sep 18, 1:54 PM EDT | Special Weather Statement | ILM | 36 min |
| Sep 29, 4:59 PM EDT | Special Weather Statement | ILM | 61 min |
| Sep 29, 5:52 PM EDT | Special Weather Statement | ILM | 53 min |
| Oct 1, 3:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Oct 7, 4:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Oct 16, 3:00 PM EDT | Rip Current Statement | ILM | 29 hr |
| Oct 24, 5:00 AM EDT | Tropical Storm Watch | NHC | 4 days |
| Oct 24, 5:00 PM EDT | Tropical Storm Warning | NHC | 5 days |
| Oct 25, 4:49 PM EDT | Tropical Storm Watch | ILM | 25 hr |
| Oct 25, 5:01 PM EDT | Rip Current Statement | ILM | 39 hr |
| Oct 26, 5:44 PM EDT | Tropical Storm Warning | ILM | 48 hr |
| Oct 28, 8:39 AM EDT | Rip Current Statement | ILM | 11 hr |
| Nov 4, 2:34 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 4, 4:35 PM EST | Severe Thunderstorm Warning | ILM | 40 min |
| Nov 4, 4:37 PM EST | Special Weather Statement | ILM | 38 min |
| Nov 4, 4:59 PM EST | Severe Thunderstorm Warning | ILM | 61 min |
| Nov 4, 5:53 PM EST | Special Weather Statement | ILM | 52 min |
| Nov 4, 6:57 PM EST | Special Weather Statement | ILM | 63 min |
| Nov 7, 12:34 PM EST | Frost Advisory | ILM | 20 hr |
| Nov 8, 12:19 PM EST | Frost Advisory | ILM | 20 hr |
| Nov 14, 3:16 PM EST | Coastal Flood Advisory | ILM | 21 hr |
| Nov 15, 3:26 PM EST | Coastal Flood Advisory | ILM | 22 hr |
| Nov 18, 12:45 AM EST | Coastal Flood Advisory | ILM | 14 hr |
| Nov 23, 4:34 AM EST | Freeze Watch | ILM | 23 hr |
| Nov 24, 3:28 AM EST | Freeze Warning | ILM | 29 hr |
| Dec 3, 3:51 AM EST | Dense Fog Advisory | ILM | 4 hr |
| Dec 8, 6:21 PM EST | Dense Fog Advisory | ILM | 12 hr |
| Dec 10, 4:30 AM EST | Dense Fog Advisory | ILM | 5 hr |
| Dec 13, 2:07 AM EST | Coastal Flood Advisory | ILM | 6 hr |
| Dec 14, 12:54 AM EST | Coastal Flood Advisory | ILM | 8 hr |
| Dec 15, 8:21 AM EST | Coastal Flood Advisory | ILM | 86 min |
| Dec 15, 11:55 PM EST | Dense Fog Advisory | ILM | 11 hr |
| Dec 17, 2:28 PM EST | Mesoscale Discussion | SPC | 92 min |
| Dec 26, 6:20 AM EST | Mesoscale Discussion | SPC | 85 min |
| Dec 26, 8:07 AM EST | Mesoscale Discussion | SPC | 83 min |
| Dec 26, 10:08 AM EST | Tornado Watch | SPC | 6 hr |
| Dec 26, 2:20 PM EST | Mesoscale Discussion | SPC | 85 min |
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 | 1 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 42 |
| Special Weather Statement | 64 |
| Flooding | |
| Areal Flood Warning | 8 |
| Flood Watch | 2 |
| Areal Flood Advisory | 13 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 2 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
| Tropical | |
| Tropical Storm Warning | 2 |
| Tropical Storm Watch | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 14 |
| Rip Current Statement | 5 |
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.