Alert archive / Iowa / 2000

Weather alerts in Iowa, June 2000

203 weather alerts in June 2000, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in June 2000. Tap one for its archive.

Alerts: 203
Warnings: 180
Watches: 23
Advisories: 0
Busiest day: June 13, 200064 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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	Counties	Lasted
May 31, 8:30 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	45 min
May 31, 9:00 PM CDT	Severe Thunderstorm Warning	DMX	Worth	45 min
May 31, 9:07 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	53 min
May 31, 9:09 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	66 min
May 31, 9:32 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth	43 min
May 31, 9:45 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Worth	45 min
May 31, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 14 more	5 hr
May 31, 10:00 PM CDT	Severe Thunderstorm Warning	ARX	Mitchell	60 min
May 31, 10:27 PM CDT	Flash Flood Warning	ARX	Mitchell	5 hr
May 31, 10:35 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	55 min
May 31, 10:49 PM CDT	Flash Flood Warning	ARX	Howard	4 hr
Jun 1, 12:02 AM CDT	Severe Thunderstorm Warning	ARX	Howard, Mitchell	58 min
Jun 1, 12:14 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw	61 min
Jun 1, 12:22 AM CDT	Flash Flood Warning	ARX	Allamakee, Winneshiek	6 hr
Jun 1, 1:35 AM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	55 min
Jun 1, 6:02 AM CDT	Flash Flood Warning	ARX	Allamakee	4 hr
Jun 1, 1:45 PM CDT	Tornado Watch	SPC	Allamakee, Bremer, Chickasaw, Clayton, Fayette, Winneshiek	6 hr
Jun 1, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 30 more	6 hr
Jun 1, 4:20 PM CDT	Severe Thunderstorm Warning	DVN	Benton	55 min
Jun 1, 4:43 PM CDT	Severe Thunderstorm Warning	DVN	Linn	47 min
Jun 1, 5:25 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque	50 min
Jun 1, 5:34 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	26 min
Jun 1, 5:34 PM CDT	Severe Thunderstorm Warning	DVN	Linn	26 min
Jun 1, 5:46 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones	44 min
Jun 1, 5:49 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	41 min
Jun 1, 5:55 PM CDT	Tornado Warning	DMX	Wapello	35 min
Jun 1, 6:03 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	27 min
Jun 1, 6:30 PM CDT	Severe Thunderstorm Warning	DMX	Wapello	30 min
Jun 1, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	Des Moines, Lee	5 hr
Jun 3, 8:20 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	25 min
Jun 3, 8:44 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	31 min
Jun 3, 8:45 PM CDT	Severe Thunderstorm Watch	SPC	Monona, Woodbury	5 hr
Jun 3, 9:15 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	30 min
Jun 3, 9:50 PM CDT	Severe Thunderstorm Warning	OAX	Monona	40 min
Jun 3, 10:20 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	20 min
Jun 4, 12:15 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Audubon, Cass, Cherokee, Crawford, Harrison and 9 more	6 hr
Jun 4, 2:02 AM CDT	Severe Thunderstorm Warning	FSD	Plymouth	28 min
Jun 4, 2:29 AM CDT	Severe Thunderstorm Warning	FSD	Woodbury	31 min
Jun 4, 7:01 AM CDT	Severe Thunderstorm Warning	DMX	Wayne	29 min
Jun 10, 4:15 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 6 more	5 hr
Jun 12, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Audubon, Benton, Boone, Buena Vista, Calhoun, Carroll and 29 more	5 hr
Jun 12, 4:15 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Osceola	30 min
Jun 12, 4:27 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	18 min
Jun 12, 4:50 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	40 min
Jun 12, 5:32 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	28 min
Jun 12, 11:00 PM CDT	Severe Thunderstorm Watch	SPC	Plymouth	5 hr
Jun 13, 8:28 AM CDT	Flash Flood Warning	DVN	Clinton, Jackson	4 hr
Jun 13, 11:45 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 40 more	5 hr
Jun 13, 11:50 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas	25 min
Jun 13, 12:27 PM CDT	Severe Thunderstorm Warning	DMX	Lucas	33 min
Jun 13, 12:57 PM CDT	Severe Thunderstorm Warning	DMX	Polk	33 min
Jun 13, 1:00 PM CDT	Severe Thunderstorm Warning	DVN	Johnson, Louisa, Washington	45 min
Jun 13, 1:00 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	45 min
Jun 13, 1:04 PM CDT	Severe Thunderstorm Warning	DVN	Johnson	41 min
Jun 13, 1:13 PM CDT	Severe Thunderstorm Warning	DMX	Story	47 min
Jun 13, 1:34 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	41 min
Jun 13, 1:44 PM CDT	Severe Thunderstorm Warning	DMX	Marshall	31 min
Jun 13, 2:00 PM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 18 more	6 hr
Jun 13, 2:02 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	28 min
Jun 13, 2:02 PM CDT	Tornado Warning	OAX	Pottawattamie	43 min
Jun 13, 2:09 PM CDT	Severe Thunderstorm Warning	DMX	Grundy, Tama	36 min
Jun 13, 2:13 PM CDT	Severe Thunderstorm Warning	DMX	Davis, Wapello	32 min
Jun 13, 2:15 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 8 more	6 hr
Jun 13, 2:22 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson	53 min
Jun 13, 2:28 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	62 min
Jun 13, 2:31 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	44 min
Jun 13, 2:32 PM CDT	Severe Thunderstorm Warning	FSD	Sioux	28 min
Jun 13, 2:35 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	25 min
Jun 13, 2:45 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	45 min
Jun 13, 2:46 PM CDT	Severe Thunderstorm Warning	DVN	Washington	44 min
Jun 13, 2:48 PM CDT	Severe Thunderstorm Warning	ARX	Fayette	57 min
Jun 13, 3:17 PM CDT	Tornado Warning	OAX	Mills	28 min
Jun 13, 3:20 PM CDT	Tornado Warning	OAX	Harrison, Shelby	40 min
Jun 13, 3:28 PM CDT	Severe Thunderstorm Warning	ARX	Winneshiek	62 min
Jun 13, 3:30 PM CDT	Severe Thunderstorm Warning	DVN	Louisa	45 min
Jun 13, 3:30 PM CDT	Tornado Warning	OAX	Fremont	45 min
Jun 13, 3:34 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	71 min
Jun 13, 3:37 PM CDT	Severe Thunderstorm Warning	FSD	Clay	23 min
Jun 13, 3:40 PM CDT	Flash Flood Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux, Woodbury	2 hr
Jun 13, 3:40 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien	35 min
Jun 13, 3:41 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine	49 min
Jun 13, 3:44 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines	46 min
Jun 13, 3:45 PM CDT	Tornado Warning	OAX	Mills	30 min
Jun 13, 4:00 PM CDT	Flash Flood Warning	DVN	Scott	4 hr
Jun 13, 4:01 PM CDT	Flash Flood Warning	FSD	Clay, Dickinson	119 min
Jun 13, 4:01 PM CDT	Severe Thunderstorm Warning	FSD	Clay	29 min
Jun 13, 4:06 PM CDT	Severe Thunderstorm Warning	DVN	Scott	39 min
Jun 13, 4:11 PM CDT	Tornado Warning	OAX	Mills, Montgomery, Pottawattamie	34 min
Jun 13, 4:11 PM CDT	Tornado Warning	OAX	Fremont, Page	34 min
Jun 13, 4:18 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista	27 min
Jun 13, 4:19 PM CDT	Severe Thunderstorm Warning	FSD	Clay	26 min
Jun 13, 4:28 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	32 min
Jun 13, 4:30 PM CDT	Severe Thunderstorm Warning	DVN	Clinton	45 min
Jun 13, 4:34 PM CDT	Severe Thunderstorm Warning	DMX	Cass	26 min
Jun 13, 4:37 PM CDT	Tornado Warning	OAX	Montgomery	23 min
Jun 13, 4:44 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	46 min
Jun 13, 4:56 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	34 min
Jun 13, 5:01 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Cass	44 min
Jun 13, 5:08 PM CDT	Tornado Warning	OAX	Montgomery	37 min
Jun 13, 5:21 PM CDT	Severe Thunderstorm Warning	DMX	Webster	39 min
Jun 13, 5:21 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	54 min
Jun 13, 5:30 PM CDT	Tornado Watch	SPC	Adair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 41 more	7 hr
Jun 13, 5:33 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	57 min
Jun 13, 5:40 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams	35 min
Jun 13, 5:52 PM CDT	Flash Flood Warning	OAX	Mills	4 hr
Jun 13, 6:18 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	57 min
Jun 13, 6:19 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Story	41 min
Jun 13, 6:37 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	38 min
Jun 13, 6:57 PM CDT	Tornado Warning	DMX	Marshall	33 min
Jun 13, 7:29 PM CDT	Flash Flood Warning	ARX	Floyd	3 hr
Jun 13, 7:46 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	44 min
Jun 13, 8:03 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan	27 min
Jun 13, 8:30 PM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware, Linn	45 min
Jun 13, 8:30 PM CDT	Severe Thunderstorm Warning	DVN	Benton	45 min
Jun 13, 9:00 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Cedar, Clayton, Clinton, Davis, Delaware and 16 more	5 hr
Jun 13, 9:16 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk, Washington	44 min
Jun 13, 9:55 PM CDT	Flash Flood Warning	DVN	Iowa	4 hr
Jun 13, 10:01 PM CDT	Severe Thunderstorm Warning	DVN	Jones	29 min
Jun 13, 10:40 PM CDT	Flash Flood Warning	DVN	Johnson	4 hr
Jun 13, 10:44 PM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	31 min
Jun 13, 11:10 PM CDT	Flash Flood Warning	DVN	Cedar	4 hr
Jun 13, 11:24 PM CDT	Flash Flood Warning	DVN	Scott	4 hr
Jun 15, 6:46 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo	29 min
Jun 15, 7:49 PM CDT	Tornado Warning	ARX	Chickasaw, Floyd	41 min
Jun 15, 8:32 PM CDT	Tornado Warning	ARX	Chickasaw, Fayette	73 min
Jun 15, 9:00 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	45 min
Jun 15, 9:45 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Winneshiek	45 min
Jun 19, 7:45 PM CDT	Severe Thunderstorm Watch	SPC	Plymouth	5 hr
Jun 20, 12:30 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Audubon, Cass, Dallas, Fremont and 11 more	6 hr
Jun 20, 5:30 PM CDT	Severe Thunderstorm Watch	SPC	Lee	6 hr
Jun 23, 10:03 AM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	72 min
Jun 23, 10:50 AM CDT	Severe Thunderstorm Warning	ARX	Fayette	55 min
Jun 23, 11:03 AM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	37 min
Jun 23, 11:25 AM CDT	Severe Thunderstorm Warning	DMX	Polk	35 min
Jun 23, 11:30 AM CDT	Severe Thunderstorm Watch	SPC	Appanoose, Benton, Black Hawk, Buchanan, Cedar, Clarke and 34 more	6 hr
Jun 23, 11:41 AM CDT	Severe Thunderstorm Warning	OAX	Page	49 min
Jun 23, 12:54 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Monroe	36 min
Jun 23, 1:41 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Wayne	34 min
Jun 23, 2:11 PM CDT	Severe Thunderstorm Warning	DVN	Henry	49 min
Jun 23, 2:17 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Wayne	43 min
Jun 23, 2:19 PM CDT	Tornado Warning	DMX	Wayne	26 min
Jun 23, 3:16 PM CDT	Flash Flood Warning	DMX	Wapello	119 min
Jun 23, 3:45 PM CDT	Severe Thunderstorm Watch	SPC	Lee, Van Buren	4 hr
Jun 23, 4:09 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	51 min
Jun 23, 4:52 PM CDT	Tornado Warning	OAX	Fremont	23 min
Jun 23, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Appanoose, Cass, Clarke, Davis, Decatur and 9 more	6 hr
Jun 23, 5:16 PM CDT	Flash Flood Warning	DMX	Wapello	119 min
Jun 23, 5:16 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	44 min
Jun 23, 5:27 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery	48 min
Jun 23, 5:53 PM CDT	Flash Flood Warning	DMX	Monroe	2 hr
Jun 23, 6:25 PM CDT	Flash Flood Warning	DMX	Wapello	3 hr
Jun 23, 6:40 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	50 min
Jun 23, 6:45 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	30 min
Jun 23, 7:00 PM CDT	Flash Flood Warning	DMX	Mahaska, Monroe	3 hr
Jun 23, 7:12 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	33 min
Jun 23, 7:35 PM CDT	Flash Flood Warning	DMX	Davis	3 hr
Jun 23, 7:53 PM CDT	Flash Flood Warning	DMX	Marion	3 hr
Jun 23, 7:56 PM CDT	Severe Thunderstorm Warning	OAX	Page	49 min
Jun 23, 8:08 PM CDT	Severe Thunderstorm Warning	DMX	Madison	37 min
Jun 23, 8:14 PM CDT	Severe Thunderstorm Warning	DMX	Taylor	46 min
Jun 23, 8:30 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	45 min
Jun 23, 8:32 PM CDT	Tornado Warning	DMX	Taylor	28 min
Jun 23, 9:30 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska	45 min
Jun 23, 11:36 PM CDT	Flash Flood Warning	DMX	Mahaska	14 hr
Jun 23, 11:38 PM CDT	Flash Flood Warning	DMX	Davis, Wapello	15 hr
Jun 24, 12:15 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	30 min
Jun 24, 12:23 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	37 min
Jun 24, 12:33 AM CDT	Severe Thunderstorm Warning	FSD	Dickinson	32 min
Jun 24, 1:06 AM CDT	Severe Thunderstorm Warning	FSD	Sioux	29 min
Jun 25, 11:32 AM CDT	Flash Flood Warning	FSD	Woodbury	118 min
Jun 25, 11:59 AM CDT	Severe Thunderstorm Warning	OAX	Monona	31 min
Jun 25, 12:18 PM CDT	Flash Flood Warning	FSD	Ida	2 hr
Jun 25, 12:33 PM CDT	Severe Thunderstorm Warning	OAX	Monona	27 min
Jun 25, 1:28 PM CDT	Flash Flood Warning	FSD	Woodbury	92 min
Jun 25, 1:30 PM CDT	Tornado Watch	SPC	Audubon, Carroll, Cass, Crawford, Fremont, Harrison and 6 more	7 hr
Jun 25, 2:21 PM CDT	Severe Thunderstorm Warning	OAX	Shelby	39 min
Jun 25, 2:21 PM CDT	Severe Thunderstorm Warning	OAX	Harrison	24 min
Jun 25, 3:00 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 38 more	6 hr
Jun 25, 3:01 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie, Shelby	39 min
Jun 25, 3:15 PM CDT	Severe Thunderstorm Warning	DMX	Cass	45 min
Jun 25, 3:31 PM CDT	Severe Thunderstorm Warning	OAX	Pottawattamie	44 min
Jun 25, 4:06 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Guthrie	24 min
Jun 25, 4:25 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison, Union	35 min
Jun 25, 4:32 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	43 min
Jun 25, 4:32 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Montgomery, Page	43 min
Jun 25, 4:48 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams	42 min
Jun 25, 4:51 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	39 min
Jun 25, 5:00 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	45 min
Jun 25, 5:06 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	39 min
Jun 25, 5:22 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Taylor	38 min
Jun 25, 5:46 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Marion, Warren	44 min
Jun 25, 5:46 PM CDT	Severe Thunderstorm Warning	DMX	Clarke	44 min
Jun 25, 6:03 PM CDT	Severe Thunderstorm Warning	DMX	Decatur, Ringgold	42 min
Jun 25, 6:36 PM CDT	Flash Flood Warning	DMX	Decatur	4 hr
Jun 25, 6:41 PM CDT	Severe Thunderstorm Warning	DMX	Wayne	34 min
Jun 25, 6:51 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Lucas, Monroe	54 min
Jun 25, 6:57 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion	63 min
Jun 25, 7:38 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Monroe	7 min
Jun 25, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 6 more	5 hr
Jun 25, 9:19 PM CDT	Flash Flood Warning	DVN	Jefferson, Van Buren	3 hr
Jun 25, 9:55 PM CDT	Flash Flood Warning	DVN	Henry, Keokuk, Lee, Washington	4 hr
Jun 25, 10:40 PM CDT	Flash Flood Warning	DVN	Des Moines	4 hr
Jun 25, 11:59 PM CDT	Flash Flood Warning	DMX	Mahaska, Wapello	15 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	133
Tornado Warning	16
Severe Thunderstorm Watch	18
Tornado Watch	5
Flooding
Flash Flood Warning	31

By county

Every county with at least one alert. A county page lists each alert that covered it.

59 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 1999 2001

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.