Weather alerts in Caddo County, Oklahoma, 2008

263 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Caddo County and its neighbors

Each county as a circle sized by its count in 2008. Tap one for its archive.

Alerts: 263
Warnings: 98
Watches: 42
Advisories: 64
Busiest month: June62 alerts
Busiest day: March 31, 200817 alerts

Over time

By month

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 3, 4:10 AM CST	Wind Advisory	OUN	14 hr
Jan 4, 6:30 AM CST	Wind Advisory	OUN	9 hr
Jan 7, 11:05 PM CST	Severe Thunderstorm Warning	OUN	25 min
Jan 10, 5:32 AM CST	Wind Advisory	OUN	10 hr
Jan 19, 3:20 PM CST	Wind Advisory	OUN	26 hr
Jan 22, 1:06 AM CST	Winter Weather Advisory	OUN	8 hr
Jan 26, 3:18 AM CST	Dense Fog Advisory	OUN	9 hr
Jan 27, 12:23 PM CST	Red Flag Warning	OUN	9 hr
Jan 28, 5:50 PM CST	Wind Advisory	OUN	21 hr
Jan 29, 3:46 AM CST	Fire Weather Watch	OUN	25 hr
Jan 29, 3:46 AM CST	Red Flag Warning	OUN	14 hr
Jan 30, 4:10 AM CST	Wind Advisory	OUN	14 hr
Jan 30, 4:43 AM CST	Red Flag Warning	OUN	13 hr
Jan 30, 2:26 PM CST	Snow and Blowing Snow Advisory	OUN	25 hr
Feb 2, 4:58 AM CST	Fire Weather Watch	OUN	53 hr
Feb 3, 4:40 PM CST	Red Flag Warning	OUN	26 hr
Feb 5, 2:31 AM CST	Mesoscale Discussion	SPC	2 hr
Feb 5, 3:03 AM CST	Severe Thunderstorm Warning	OUN	42 min
Feb 5, 4:09 AM CST	Severe Thunderstorm Warning	OUN	51 min
Feb 8, 8:01 AM CST	Wind Advisory	OUN	6 hr
Feb 10, 9:45 PM CST	Winter Weather Advisory	OUN	10 hr
Feb 15, 9:27 AM CST	Winter Weather Advisory	OUN	25 hr
Feb 15, 11:39 AM CST	Winter Storm Warning	OUN	27 hr
Feb 15, 4:26 PM CST	Mesoscale Discussion	SPC	4 hr
Feb 15, 11:43 PM CST	Mesoscale Discussion	SPC	5 hr
Feb 17, 4:02 AM CST	Wind Advisory	OUN	8 hr
Feb 20, 11:17 AM CST	Winter Weather Advisory	OUN	27 hr
Feb 21, 12:22 AM CST	Mesoscale Discussion	SPC	6 hr
Feb 21, 7:41 PM CST	Winter Weather Advisory	OUN	8 hr
Feb 23, 11:42 PM CST	Dense Fog Advisory	OUN	7 hr
Feb 25, 4:55 AM CST	Wind Advisory	OUN	17 hr
Feb 27, 11:51 AM CST	Fire Weather Watch	OUN	17 hr
Feb 28, 4:33 AM CST	Red Flag Warning	OUN	14 hr
Mar 2, 4:05 AM CST	Wind Advisory	OUN	11 hr
Mar 2, 3:07 PM CST	Tornado Watch	SPC	9 hr
Mar 2, 3:48 PM CST	Snow and Blowing Snow Advisory	OUN	20 hr
Mar 2, 4:52 PM CST	Tornado Warning	OUN	23 min
Mar 2, 5:13 PM CST	Severe Thunderstorm Warning	OUN	47 min
Mar 2, 5:31 PM CST	Severe Thunderstorm Warning	OUN	59 min
Mar 2, 6:27 PM CST	Severe Thunderstorm Warning	OUN	63 min
Mar 2, 7:08 PM CST	Tornado Warning	OUN	22 min
Mar 2, 7:29 PM CST	Severe Thunderstorm Warning	OUN	61 min
Mar 2, 7:39 PM CST	Wind Advisory	OUN	22 hr
Mar 2, 8:24 PM CST	Severe Thunderstorm Warning	OUN	56 min
Mar 5, 11:53 AM CST	Winter Weather Advisory	OUN	29 hr
Mar 12, 3:13 PM CDT	Red Flag Warning	OUN	4 hr
Mar 14, 4:38 AM CDT	Red Flag Warning	OUN	18 hr
Mar 14, 3:23 PM CDT	Mesoscale Discussion	SPC	3 hr
Mar 17, 2:53 AM CDT	Mesoscale Discussion	SPC	2 hr
Mar 17, 3:25 AM CDT	Severe Thunderstorm Watch	SPC	8 hr
Mar 17, 5:41 AM CDT	Mesoscale Discussion	SPC	94 min
Mar 17, 7:37 AM CDT	Mesoscale Discussion	SPC	83 min
Mar 17, 10:25 AM CDT	Mesoscale Discussion	SPC	65 min
Mar 17, 1:02 PM CDT	Mesoscale Discussion	SPC	88 min
Mar 17, 1:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Mar 17, 3:24 PM CDT	Severe Thunderstorm Warning	OUN	51 min
Mar 17, 4:04 PM CDT	Severe Thunderstorm Warning	OUN	41 min
Mar 17, 6:20 PM CDT	Mesoscale Discussion	SPC	25 min
Mar 17, 7:09 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 17, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	46 min
Mar 17, 10:21 PM CDT	Mesoscale Discussion	SPC	54 min
Mar 18, 1:13 AM CDT	Mesoscale Discussion	SPC	62 min
Mar 18, 9:14 AM CDT	River Flood Warning	OUN	13 hr
Mar 20, 10:09 AM CDT	River Flood Warning	OUN	16 hr
Mar 30, 3:16 PM CDT	Mesoscale Discussion	SPC	119 min
Mar 30, 5:48 PM CDT	Tornado Watch	SPC	5 hr
Mar 30, 7:26 PM CDT	Severe Thunderstorm Warning	OUN	49 min
Mar 30, 8:05 PM CDT	Severe Thunderstorm Warning	OUN	40 min
Mar 30, 8:42 PM CDT	Severe Thunderstorm Warning	OUN	48 min
Mar 30, 8:45 PM CDT	Severe Thunderstorm Warning	OUN	45 min
Mar 30, 9:02 PM CDT	Tornado Warning	OUN	43 min
Mar 30, 9:30 PM CDT	Severe Thunderstorm Warning	OUN	45 min
Mar 30, 9:40 PM CDT	Tornado Warning	OUN	35 min
Mar 30, 9:45 PM CDT	Tornado Warning	OUN	45 min
Mar 30, 10:15 PM CDT	Tornado Warning	OUN	37 min
Mar 30, 10:26 PM CDT	Severe Thunderstorm Warning	OUN	49 min
Mar 30, 10:52 PM CDT	Tornado Watch	SPC	6 hr
Mar 30, 10:53 PM CDT	Tornado Warning	OUN	37 min
Mar 30, 11:28 PM CDT	Tornado Warning	OUN	32 min
Mar 31, 1:17 AM CDT	Mesoscale Discussion	SPC	88 min
Mar 31, 8:44 AM CDT	Tornado Watch	SPC	7 hr
Mar 31, 10:30 AM CDT	Mesoscale Discussion	SPC	60 min
Mar 31, 11:11 AM CDT	Severe Thunderstorm Warning	OUN	49 min
Apr 2, 1:52 PM CDT	Mesoscale Discussion	SPC	53 min
Apr 3, 3:26 AM CDT	Dense Fog Advisory	OUN	9 hr
Apr 3, 1:42 PM CDT	Mesoscale Discussion	SPC	93 min
Apr 3, 2:04 PM CDT	Tornado Watch	SPC	6 hr
Apr 7, 2:05 PM CDT	Mesoscale Discussion	SPC	85 min
Apr 7, 3:02 PM CDT	Tornado Watch PDS	SPC	7 hr
Apr 7, 4:52 PM CDT	Mesoscale Discussion	SPC	83 min
Apr 7, 6:52 PM CDT	Mesoscale Discussion	SPC	113 min
Apr 7, 9:12 PM CDT	Mesoscale Discussion	SPC	63 min
Apr 9, 3:59 AM CDT	Flood Watch	OUN	33 hr
Apr 9, 9:06 AM CDT	Mesoscale Discussion	SPC	54 min
Apr 9, 9:35 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 9, 12:24 PM CDT	Mesoscale Discussion	SPC	66 min
Apr 9, 3:07 PM CDT	Mesoscale Discussion	SPC	53 min
Apr 9, 6:55 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Apr 9, 8:50 PM CDT	River Flood Warning	OUN	25 hr
Apr 9, 9:52 PM CDT	Severe Thunderstorm Warning	OUN	38 min
Apr 9, 11:22 PM CDT	Mesoscale Discussion	SPC	53 min
Apr 10, 12:37 AM CDT	Flash Flood Warning	OUN	6 hr
Apr 10, 3:19 AM CDT	Wind Advisory	OUN	18 hr
Apr 10, 8:57 AM CDT	River Flood Warning	OUN	20 hr
Apr 10, 8:57 AM CDT	River Flood Warning	OUN	53 hr
Apr 11, 5:04 PM CDT	Freeze Watch	OUN	35 hr
Apr 13, 3:34 AM CDT	Freeze Warning	OUN	29 hr
Apr 14, 3:11 PM CDT	Fire Weather Watch	OUN	13 hr
Apr 14, 3:20 PM CDT	Wind Advisory	OUN	41 hr
Apr 15, 4:28 AM CDT	Red Flag Warning	OUN	16 hr
Apr 23, 2:01 AM CDT	Mesoscale Discussion	SPC	89 min
Apr 23, 9:28 AM CDT	Severe Thunderstorm Warning	OUN	47 min
Apr 23, 9:32 AM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 23, 11:17 AM CDT	Severe Thunderstorm Warning	OUN	43 min
Apr 23, 3:37 PM CDT	Mesoscale Discussion	SPC	53 min
Apr 24, 4:15 PM CDT	Mesoscale Discussion	SPC	3 hr
Apr 30, 3:59 AM CDT	Wind Advisory	OUN	23 hr
May 1, 5:54 PM CDT	Wind Advisory	OUN	8 hr
May 1, 10:04 PM CDT	Mesoscale Discussion	SPC	116 min
May 1, 11:29 PM CDT	Mesoscale Discussion	SPC	91 min
May 2, 4:49 PM CDT	Wind Advisory	OUN	8 hr
May 7, 2:47 AM CDT	Mesoscale Discussion	SPC	58 min
May 7, 3:52 AM CDT	Severe Thunderstorm Warning	OUN	38 min
May 7, 3:37 PM CDT	Areal Flood Advisory	OUN	3 hr
May 7, 8:14 PM CDT	River Flood Warning	OUN	12 hr
May 10, 3:44 PM CDT	Wind Advisory	OUN	12 hr
May 14, 6:40 PM CDT	Mesoscale Discussion	SPC	95 min
May 22, 2:28 PM CDT	Tornado Watch	SPC	7 hr
May 22, 4:02 PM CDT	Mesoscale Discussion	SPC	58 min
May 22, 6:46 PM CDT	Mesoscale Discussion	SPC	59 min
May 24, 2:48 PM CDT	Mesoscale Discussion	SPC	87 min
May 24, 8:29 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 25, 12:19 AM CDT	Wind Advisory	OUN	4 hr
May 25, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 26, 6:39 PM CDT	Mesoscale Discussion	SPC	2 hr
May 26, 7:45 PM CDT	Tornado Watch	SPC	7 hr
May 26, 10:19 PM CDT	Mesoscale Discussion	SPC	116 min
May 26, 11:50 PM CDT	Severe Thunderstorm Warning	OUN	40 min
May 27, 12:26 AM CDT	Severe Thunderstorm Warning	OUN	49 min
May 27, 12:56 AM CDT	Tornado Warning	OUN	34 min
May 27, 1:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 27, 1:20 AM CDT	Severe Thunderstorm Warning	OUN	40 min
May 27, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	62 min
May 27, 12:04 PM CDT	Flood Watch	OUN	10 hr
May 27, 2:34 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 31, 6:22 PM CDT	Tornado Watch	SPC	7 hr
May 31, 9:43 PM CDT	Severe Thunderstorm Warning	OUN	47 min
May 31, 10:15 PM CDT	Tornado Warning	OUN	30 min
May 31, 10:37 PM CDT	Severe Thunderstorm Warning	OUN	38 min
May 31, 10:50 PM CDT	Severe Thunderstorm Warning	OUN	25 min
May 31, 10:56 PM CDT	Areal Flood Advisory	OUN	3 hr
May 31, 11:10 PM CDT	Severe Thunderstorm Warning	OUN	50 min
May 31, 11:12 PM CDT	Severe Thunderstorm Warning	OUN	48 min
May 31, 11:22 PM CDT	Mesoscale Discussion	SPC	53 min
May 31, 11:47 PM CDT	Severe Thunderstorm Warning	OUN	43 min
Jun 1, 12:18 AM CDT	Severe Thunderstorm Warning	OUN	42 min
Jun 1, 6:28 PM CDT	Mesoscale Discussion	SPC	92 min
Jun 4, 4:23 AM CDT	Wind Advisory	OUN	43 hr
Jun 5, 1:38 PM CDT	Mesoscale Discussion	SPC	67 min
Jun 5, 2:19 PM CDT	Tornado Watch	SPC	6 hr
Jun 5, 5:23 PM CDT	Mesoscale Discussion	SPC	67 min
Jun 5, 6:21 PM CDT	Severe Thunderstorm Warning	OUN	54 min
Jun 5, 7:13 PM CDT	Mesoscale Discussion	SPC	62 min
Jun 5, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	61 min
Jun 5, 7:41 PM CDT	Tornado Watch	SPC	7 hr
Jun 5, 8:09 PM CDT	Severe Thunderstorm Warning	OUN	66 min
Jun 5, 8:23 PM CDT	Severe Thunderstorm Warning	OUN	67 min
Jun 5, 8:25 PM CDT	Tornado Warning	OUN	20 min
Jun 5, 8:51 PM CDT	Severe Thunderstorm Warning	OUN	39 min
Jun 5, 9:15 PM CDT	Severe Thunderstorm Warning	OUN	75 min
Jun 5, 9:19 PM CDT	Mesoscale Discussion	SPC	116 min
Jun 7, 8:18 AM CDT	Wind Advisory	OUN	13 hr
Jun 8, 3:51 AM CDT	Flash Flood Watch	OUN	37 hr
Jun 8, 9:43 AM CDT	Wind Advisory	OUN	6 hr
Jun 8, 7:42 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 9, 1:33 AM CDT	Mesoscale Discussion	SPC	27 min
Jun 9, 1:49 AM CDT	Severe Thunderstorm Warning	OUN	56 min
Jun 9, 2:41 AM CDT	Severe Thunderstorm Warning	OUN	49 min
Jun 9, 3:16 AM CDT	Mesoscale Discussion	SPC	59 min
Jun 9, 8:26 AM CDT	Areal Flood Advisory	OUN	3 hr
Jun 9, 8:38 AM CDT	River Flood Warning	OUN	44 hr
Jun 9, 9:52 PM CDT	Dense Fog Advisory	OUN	11 hr
Jun 10, 3:39 PM CDT	Wind Advisory	OUN	31 hr
Jun 13, 3:12 PM CDT	Mesoscale Discussion	SPC	93 min
Jun 13, 10:29 PM CDT	Severe Thunderstorm Warning	OUN	46 min
Jun 13, 10:33 PM CDT	Severe Thunderstorm Warning	OUN	42 min
Jun 13, 10:37 PM CDT	Mesoscale Discussion	SPC	83 min
Jun 13, 10:48 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 13, 11:16 PM CDT	Severe Thunderstorm Warning	OUN	44 min
Jun 13, 11:35 PM CDT	Severe Thunderstorm Warning	OUN	40 min
Jun 14, 12:08 AM CDT	Severe Thunderstorm Warning	OUN	52 min
Jun 14, 12:21 AM CDT	Areal Flood Advisory	OUN	3 hr
Jun 15, 5:29 AM CDT	Mesoscale Discussion	SPC	3 hr
Jun 15, 6:36 PM CDT	Mesoscale Discussion	SPC	84 min
Jun 15, 7:01 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jun 15, 10:35 PM CDT	Severe Thunderstorm Warning	OUN	70 min
Jun 15, 11:09 PM CDT	Severe Thunderstorm Warning	OUN	81 min
Jun 16, 3:12 PM CDT	Flash Flood Watch	OUN	11 hr
Jun 16, 3:21 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 16, 3:34 PM CDT	Severe Thunderstorm Warning	OUN	56 min
Jun 16, 4:00 PM CDT	Severe Thunderstorm Warning	OUN	30 min
Jun 16, 4:24 PM CDT	Severe Thunderstorm Warning	OUN	51 min
Jun 16, 5:16 PM CDT	Severe Thunderstorm Warning	OUN	44 min
Jun 16, 5:53 PM CDT	Severe Thunderstorm Warning	OUN	31 min
Jun 16, 6:41 PM CDT	Mesoscale Discussion	SPC	94 min
Jun 17, 2:29 PM CDT	Mesoscale Discussion	SPC	61 min
Jun 19, 1:53 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 28, 6:51 AM CDT	Wind Advisory	OUN	2 hr
Jul 3, 3:14 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 12, 2:58 PM CDT	Mesoscale Discussion	SPC	92 min
Jul 12, 3:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 12, 4:00 PM CDT	Severe Thunderstorm Warning	OUN	45 min
Jul 12, 4:40 PM CDT	Severe Thunderstorm Warning	OUN	50 min
Jul 12, 5:13 PM CDT	Flash Flood Warning	OUN	3 hr
Jul 12, 5:27 PM CDT	Severe Thunderstorm Warning	OUN	48 min
Jul 12, 6:13 PM CDT	Severe Thunderstorm Warning	OUN	47 min
Jul 12, 6:51 PM CDT	Severe Thunderstorm Warning	OUN	54 min
Jul 12, 6:57 PM CDT	Mesoscale Discussion	SPC	93 min
Jul 23, 2:52 PM CDT	Heat Advisory	OUN	4 days
Aug 1, 11:44 AM CDT	Heat Advisory	OUN	4 days
Aug 11, 8:13 AM CDT	Areal Flood Advisory	OUN	3 hr
Aug 14, 6:20 PM CDT	Severe Thunderstorm Warning	OUN	25 min
Aug 14, 7:33 PM CDT	Severe Thunderstorm Warning	OUN	42 min
Aug 14, 8:10 PM CDT	Severe Thunderstorm Warning	OUN	35 min
Aug 14, 8:28 PM CDT	Severe Thunderstorm Warning	OUN	47 min
Aug 19, 1:54 AM CDT	Mesoscale Discussion	SPC	3 hr
Aug 19, 2:52 AM CDT	Areal Flood Advisory	OUN	3 hr
Aug 19, 3:35 AM CDT	Flash Flood Watch	OUN	30 hr
Aug 19, 5:05 AM CDT	Areal Flood Warning	OUN	6 hr
Aug 19, 9:24 AM CDT	Areal Flood Advisory	OUN	4 hr
Aug 19, 1:20 PM CDT	Areal Flood Advisory	OUN	3 hr
Aug 29, 7:35 PM CDT	Severe Thunderstorm Warning	OUN	55 min
Sep 10, 12:10 PM CDT	Flood Watch	OUN	67 hr
Sep 12, 6:01 PM CDT	Areal Flood Advisory	OUN	3 hr
Oct 16, 11:05 AM CDT	Frost Advisory	OUN	16 hr
Oct 21, 8:59 AM CDT	Dense Fog Advisory	OUN	2 hr
Oct 21, 3:26 PM CDT	Wind Advisory	OUN	28 hr
Oct 22, 1:47 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Oct 22, 4:38 AM CDT	Mesoscale Discussion	SPC	97 min
Oct 23, 4:16 AM CDT	Frost Advisory	OUN	29 hr
Oct 24, 4:31 AM CDT	Frost Advisory	OUN	28 hr
Oct 26, 3:48 AM CDT	Freeze Watch	OUN	24 hr
Oct 27, 4:08 AM CDT	Freeze Warning	OUN	29 hr
Nov 3, 4:10 AM CST	Fire Weather Watch	OUN	49 hr
Nov 5, 2:17 PM CST	Tornado Watch	SPC	10 hr
Nov 5, 2:47 PM CST	Severe Thunderstorm Warning	OUN	43 min
Nov 5, 3:04 PM CST	Severe Thunderstorm Warning	OUN	56 min
Nov 13, 9:09 PM CST	Wind Advisory	OUN	21 hr
Nov 20, 9:59 AM CST	Wind Advisory	OUN	6 hr
Nov 29, 2:52 PM CST	Wind Advisory	OUN	27 hr
Dec 3, 3:45 AM CST	Wind Advisory	OUN	12 hr
Dec 7, 10:30 AM CST	Red Flag Warning	OUN	8 hr
Dec 8, 10:20 AM CST	Wind Advisory	OUN	8 hr
Dec 8, 3:33 PM CST	Wind Advisory	OUN	26 hr
Dec 9, 4:15 AM CST	Winter Weather Advisory	OUN	16 hr
Dec 12, 5:06 PM CST	Wind Advisory	OUN	26 hr
Dec 14, 4:52 AM CST	Wind Advisory	OUN	10 hr
Dec 16, 5:02 AM CST	Winter Weather Advisory	OUN	12 hr
Dec 17, 3:25 PM CST	Dense Fog Advisory	OUN	28 hr
Dec 23, 8:18 AM CST	Winter Weather Advisory	OUN	5 hr
Dec 26, 11:40 AM CST	Wind Advisory	OUN	5 hr
Dec 27, 12:07 AM CST	Mesoscale Discussion	SPC	83 min
Dec 27, 2:02 AM CST	Tornado Watch	SPC	7 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	65
Tornado Warning	11
Severe Thunderstorm Watch	16
Tornado Watch	13
Mesoscale Discussion	59
Flooding
Areal Flood Warning	1
Flash Flood Warning	2
River Flood Warning	7
Flash Flood Watch	3
Flood Watch	3
Areal Flood Advisory	9
Winter
Winter Storm Warning	1
Snow and Blowing Snow Advisory	2
Winter Weather Advisory	9
Heat
Heat Advisory	2
Cold
Freeze Warning	2
Freeze Watch	2
Frost Advisory	3
Wind and dust
Wind Advisory	33
Fire
Red Flag Warning	9
Fire Weather Watch	5
Fog and smoke
Dense Fog Advisory	6

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2007 2009

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. Rebuilt daily.