Weather alerts in Florida, December 2017

206 weather alerts in December 2017, 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 December 2017. Tap one for its archive.

Alerts: 206
Warnings: 41
Watches: 7
Advisories: 103
Busiest day: December 9, 201774 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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	Counties	Lasted
Nov 30, 8:55 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	12 hr
Dec 1, 4:16 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	18 hr
Dec 2, 1:01 AM EST	Dense Fog Advisory	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 8 more	9 hr
Dec 2, 4:23 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	18 hr
Dec 3, 2:21 AM EST	Dense Fog Advisory	TAE	Bay, Calhoun, Dixie, Gadsden, Gulf, Holmes and 6 more	7 hr
Dec 3, 3:07 AM EST	Dense Fog Advisory	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	6 hr
Dec 4, 1:39 AM EST	Dense Fog Advisory	JAX	Baker, Bradford, Gilchrist, Suwannee, Union	7 hr
Dec 4, 2:12 AM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	8 hr
Dec 4, 10:38 PM EST	Dense Fog Advisory	JAX	Baker, Bradford, Duval, Flagler, Gilchrist, Nassau and 2 more	12 hr
Dec 5, 2:11 AM EST	Marine Dense Fog Advisory	JAX		16 hr
Dec 6, 4:18 AM EST	Small Craft Advisory	TAE		4 days
Dec 6, 2:15 PM EST	Special Weather Statement	JAX	Baker	45 min
Dec 6, 4:27 PM EST	Special Weather Statement	JAX	Nassau	33 min
Dec 6, 11:31 PM EST	Dense Fog Advisory	TBW	Charlotte, DeSoto, Hardee, Hernando, Hillsborough, Lee and 6 more	10 hr
Dec 7, 1:40 AM EST	Small Craft Advisory	JAX		32 hr
Dec 7, 4:01 AM EST	Rip Current Statement	TAE	Gulf	19 hr
Dec 7, 4:08 AM EST	Marine Dense Fog Advisory	TBW		6 hr
Dec 7, 4:18 AM EST	Rip Current Statement	MFL	Palm Beach	15 hr
Dec 7, 4:54 AM EST	Winter Weather Advisory	MOB	Escambia, Okaloosa, Santa Rosa	49 hr
Dec 7, 5:03 AM EST	Dense Fog Advisory	MFL	Collier, Glades, Hendry	117 min
Dec 7, 4:11 PM EST	Freeze Watch	MOB	Escambia, Okaloosa, Santa Rosa	13 hr
Dec 8, 3:05 AM EST	Dense Fog Advisory	MFL	Collier, Glades, Hendry	6 hr
Dec 8, 4:11 AM EST	Small Craft Advisory	MLB		60 hr
Dec 8, 5:15 AM EST	Freeze Warning	MOB	Escambia, Okaloosa, Santa Rosa	29 hr
Dec 8, 5:31 AM EST	Special Marine Warning	TBW		29 min
Dec 8, 11:42 AM EST	Rip Current Statement	TAE	Gulf	11 hr
Dec 8, 1:45 PM EST	Freeze Watch	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	23 hr
Dec 8, 2:34 PM EST	Freeze Watch	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	14 hr
Dec 8, 2:36 PM EST	Small Craft Advisory	TBW		37 hr
Dec 8, 3:13 PM EST	Small Craft Advisory	JAX		43 hr
Dec 8, 3:39 PM EST	Special Marine Warning	TBW		36 min
Dec 8, 3:42 PM EST	Special Marine Warning	TAE		33 min
Dec 8, 3:45 PM EST	Small Craft Advisory	MFL		51 hr
Dec 8, 3:48 PM EST	Special Weather Statement	TBW	Levy	42 min
Dec 8, 4:36 PM EST	Small Craft Advisory	KEY		60 hr
Dec 8, 4:39 PM EST	Special Weather Statement	TBW	Levy	51 min
Dec 8, 5:09 PM EST	Special Weather Statement	JAX	Alachua	51 min
Dec 8, 7:11 PM EST	Areal Flood Advisory	JAX	Alachua, Bradford	3 hr
Dec 8, 8:07 PM EST	Special Weather Statement	JAX	Marion	38 min
Dec 8, 8:14 PM EST	Special Weather Statement	TBW	Citrus	46 min
Dec 8, 8:16 PM EST	Mesoscale Discussion	SPC	Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Lake and 9 more	2 hr
Dec 8, 8:20 PM EST	Special Marine Warning	TBW		40 min
Dec 8, 8:46 PM EST	Special Weather Statement	JAX	Marion	44 min
Dec 8, 9:15 PM EST	Special Weather Statement	TBW	Hernando	30 min
Dec 8, 9:32 PM EST	Special Weather Statement	JAX	Flagler	43 min
Dec 8, 10:00 PM EST	Severe Thunderstorm Warning	TBW	Citrus, Sumter	15 min
Dec 8, 10:06 PM EST	Special Weather Statement	MLB	Lake	39 min
Dec 8, 10:08 PM EST	Severe Thunderstorm Warning	JAX	Marion	37 min
Dec 8, 10:16 PM EST	Special Weather Statement	TBW	Manatee	29 min
Dec 8, 10:30 PM EST	Special Marine Warning	TBW		60 min
Dec 8, 10:45 PM EST	Special Weather Statement	MLB	Flagler	45 min
Dec 8, 10:52 PM EST	Special Weather Statement	MLB	Lake	38 min
Dec 8, 10:59 PM EST	Special Weather Statement	JAX	Marion	46 min
Dec 8, 11:05 PM EST	Special Weather Statement	TBW	Pasco	40 min
Dec 8, 11:27 PM EST	Special Weather Statement	MLB	Lake	63 min
Dec 9, 12:08 AM EST	Special Weather Statement	TBW	Charlotte	37 min
Dec 9, 12:28 AM EST	Special Marine Warning	TBW		32 min
Dec 9, 12:31 AM EST	Special Weather Statement	MLB	Volusia	44 min
Dec 9, 12:35 AM EST	Severe Thunderstorm Warning	TBW	Hillsborough, Manatee, Sarasota	25 min
Dec 9, 12:47 AM EST	Mesoscale Discussion	SPC	Charlotte, DeSoto, Glades, Hardee, Hendry, Highlands and 4 more	58 min
Dec 9, 1:02 AM EST	Special Weather Statement	TBW	Hillsborough	28 min
Dec 9, 2:38 AM EST	Special Weather Statement	MLB	Indian River	52 min
Dec 9, 2:57 AM EST	Special Marine Warning	TBW		33 min
Dec 9, 3:10 AM EST	Rip Current Statement	TAE	Gulf	20 hr
Dec 9, 3:15 AM EST	Special Weather Statement	TBW	Charlotte, DeSoto	30 min
Dec 9, 3:35 AM EST	Special Marine Warning	MFL		55 min
Dec 9, 3:42 AM EST	Rip Current Statement	MFL	Collier	39 hr
Dec 9, 3:56 AM EST	Special Marine Warning	TBW		34 min
Dec 9, 3:59 AM EST	Special Weather Statement	TBW	Lee	46 min
Dec 9, 4:22 AM EST	Special Marine Warning	MFL		83 min
Dec 9, 4:29 AM EST	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	24 hr
Dec 9, 4:33 AM EST	Special Weather Statement	MLB	Indian River	57 min
Dec 9, 4:34 AM EST	Special Marine Warning	KEY		56 min
Dec 9, 4:37 AM EST	Special Marine Warning	KEY		53 min
Dec 9, 4:38 AM EST	Special Marine Warning	MLB		2 hr
Dec 9, 4:41 AM EST	Special Weather Statement	MFL	Glades	49 min
Dec 9, 4:54 AM EST	Freeze Warning	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	28 hr
Dec 9, 5:08 AM EST	Special Weather Statement	MFL	Collier	52 min
Dec 9, 5:28 AM EST	Special Weather Statement	MFL	Collier, Hendry	62 min
Dec 9, 5:28 AM EST	Special Weather Statement	MLB	Indian River, Okeechobee	62 min
Dec 9, 5:30 AM EST	Special Marine Warning	KEY		60 min
Dec 9, 5:32 AM EST	Special Marine Warning	MFL		88 min
Dec 9, 5:39 AM EST	Severe Thunderstorm Warning	MFL	Collier, Hendry	51 min
Dec 9, 6:02 AM EST	Mesoscale Discussion	SPC	Collier, Hendry, Monroe	118 min
Dec 9, 6:15 AM EST	Special Marine Warning	MFL		2 hr
Dec 9, 6:26 AM EST	Special Weather Statement	MLB	Okeechobee, Saint Lucie	64 min
Dec 9, 6:27 AM EST	Special Weather Statement	MFL	Collier, Hendry	78 min
Dec 9, 6:29 AM EST	Special Marine Warning	KEY		61 min
Dec 9, 6:33 AM EST	Special Marine Warning	MFL		57 min
Dec 9, 6:39 AM EST	Special Marine Warning	MLB		111 min
Dec 9, 6:59 AM EST	Special Marine Warning	MFL		46 min
Dec 9, 7:26 AM EST	Special Marine Warning	KEY		64 min
Dec 9, 7:30 AM EST	Special Weather Statement	MLB	Martin, Saint Lucie	60 min
Dec 9, 7:31 AM EST	Special Marine Warning	MFL		59 min
Dec 9, 7:42 AM EST	Special Weather Statement	MFL	Broward	63 min
Dec 9, 7:54 AM EST	Special Weather Statement	MFL	Broward, Miami-Dade, Monroe, Palm Beach	81 min
Dec 9, 8:13 AM EST	Special Marine Warning	MFL		2 hr
Dec 9, 8:26 AM EST	Special Marine Warning	KEY		64 min
Dec 9, 9:27 AM EST	Special Marine Warning	KEY		63 min
Dec 9, 10:13 AM EST	Special Weather Statement	KEY		32 min
Dec 9, 10:13 AM EST	Special Marine Warning	MFL		62 min
Dec 9, 10:25 AM EST	Special Marine Warning	KEY		65 min
Dec 9, 11:15 AM EST	Special Marine Warning	MFL		60 min
Dec 9, 11:26 AM EST	Special Marine Warning	KEY		64 min
Dec 9, 12:35 PM EST	Freeze Watch	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	25 hr
Dec 9, 12:35 PM EST	Freeze Warning	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	20 hr
Dec 9, 2:16 PM EST	Freeze Watch	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	23 hr
Dec 9, 2:27 PM EST	Wind Chill Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	18 hr
Dec 9, 3:11 PM EST	Wind Chill Advisory	TBW	DeSoto, Hardee, Highlands, Hillsborough, Manatee, Pasco and 1 more	17 hr
Dec 9, 3:22 PM EST	Freeze Watch	TBW	Citrus, Hernando, Levy, Sumter	23 hr
Dec 9, 3:22 PM EST	Freeze Warning	TBW	Levy	17 hr
Dec 10, 3:07 AM EST	Frost Advisory	MFL	Glades, Hendry	29 hr
Dec 10, 4:09 AM EST	Small Craft Advisory	TBW		6 hr
Dec 10, 10:26 AM EST	Rip Current Statement	TAE	Gulf	9 hr
Dec 10, 12:47 PM EST	Frost Advisory	TAE	Bay, Franklin, Gulf, Walton	19 hr
Dec 10, 12:47 PM EST	Freeze Warning	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	19 hr
Dec 10, 1:27 PM EST	Freeze Warning	JAX	Baker, Bradford, Nassau, Union	20 hr
Dec 10, 1:27 PM EST	Hard Freeze Warning	JAX	Gilchrist, Suwannee	20 hr
Dec 10, 2:32 PM EST	Freeze Warning	TBW	Citrus, Hernando, Levy, Pasco, Sumter	17 hr
Dec 11, 2:48 AM EST	Small Craft Advisory	TAE		49 hr
Dec 11, 2:22 PM EST	Small Craft Advisory	JAX		37 hr
Dec 11, 7:52 PM EST	Small Craft Advisory	TBW		35 hr
Dec 12, 1:50 AM EST	Freeze Watch	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	11 hr
Dec 12, 2:33 AM EST	Rip Current Statement	TAE	Bay, Gulf, Walton	25 hr
Dec 12, 2:51 AM EST	Small Craft Advisory	MFL		28 hr
Dec 12, 3:24 AM EST	Small Craft Advisory	MLB		31 hr
Dec 12, 3:32 AM EST	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	35 hr
Dec 12, 3:20 PM EST	Small Craft Advisory	KEY		25 hr
Dec 13, 2:56 AM EST	Small Craft Advisory	JAX		6 hr
Dec 13, 10:22 AM EST	Rip Current Statement	TAE	Bay, Gulf	39 hr
Dec 15, 9:32 AM EST	Rip Current Statement	TAE	Gulf	18 hr
Dec 16, 4:25 PM EST	Small Craft Advisory	KEY		23 hr
Dec 17, 5:31 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	16 hr
Dec 18, 1:54 AM EST	Dense Fog Advisory	MFL	Collier, Glades, Hendry	6 hr
Dec 18, 5:20 AM EST	Dense Fog Advisory	TBW	Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 8 more	4 hr
Dec 18, 8:27 AM EST	Dense Fog Advisory	TAE	Dixie, Jefferson, Lafayette, Madison, Taylor	93 min
Dec 18, 3:37 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	20 hr
Dec 18, 5:43 PM EST	Marine Dense Fog Advisory	TAE		19 hr
Dec 18, 6:05 PM EST	Dense Fog Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	16 hr
Dec 18, 7:45 PM EST	Dense Fog Advisory	JAX	Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more	13 hr
Dec 19, 4:00 AM EST	Dense Fog Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	6 hr
Dec 19, 4:25 AM EST	Marine Dense Fog Advisory	JAX		6 hr
Dec 19, 4:27 AM EST	Dense Fog Advisory	MFL	Broward, Collier, Glades, Hendry, Palm Beach	4 hr
Dec 19, 4:41 AM EST	Dense Fog Advisory	TBW	Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more	4 hr
Dec 19, 6:53 AM EST	Marine Dense Fog Advisory	TBW		2 hr
Dec 19, 8:09 AM EST	Dense Fog Advisory	MFL	Glades, Hendry, Palm Beach	45 min
Dec 19, 12:18 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	16 hr
Dec 19, 6:20 PM EST	Marine Dense Fog Advisory	TAE		17 hr
Dec 19, 6:21 PM EST	Dense Fog Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	15 hr
Dec 19, 8:23 PM EST	Dense Fog Advisory	JAX	Baker, Bradford, Duval, Flagler, Gilchrist, Nassau and 2 more	13 hr
Dec 19, 11:50 PM EST	Dense Fog Advisory	TBW	Charlotte, Citrus, Hernando, Hillsborough, Lee, Levy and 5 more	9 hr
Dec 19, 11:53 PM EST	Marine Dense Fog Advisory	TBW		9 hr
Dec 20, 1:33 AM EST	Dense Fog Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	7 hr
Dec 20, 3:10 AM EST	Rip Current Statement	TAE	Bay, Franklin, Gulf, Walton	22 hr
Dec 20, 3:32 AM EST	Marine Dense Fog Advisory	JAX		9 hr
Dec 20, 5:06 AM EST	Rip Current Statement	MOB	Escambia, Okaloosa, Santa Rosa	20 hr
Dec 21, 3:32 AM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	8 hr
Dec 21, 3:41 AM EST	Marine Dense Fog Advisory	TAE		6 hr
Dec 21, 4:25 AM EST	Dense Fog Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	6 hr
Dec 21, 6:56 AM EST	Marine Dense Fog Advisory	TBW		3 hr
Dec 21, 4:19 PM EST	Dense Fog Advisory	MOB	Escambia, Okaloosa, Santa Rosa	18 hr
Dec 21, 4:55 PM EST	Marine Dense Fog Advisory	TAE		20 hr
Dec 21, 8:19 PM EST	Dense Fog Advisory	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	14 hr
Dec 21, 11:06 PM EST	Dense Fog Advisory	MFL	Broward, Collier, Glades, Hendry, Miami-Dade, Palm Beach	11 hr
Dec 22, 12:15 AM EST	Dense Fog Advisory	TBW	Charlotte, DeSoto, Hardee, Highlands, Lee, Manatee and 2 more	9 hr
Dec 22, 2:33 AM EST	Dense Fog Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	6 hr
Dec 22, 7:49 AM EST	Marine Dense Fog Advisory	TBW		71 min
Dec 22, 9:15 AM EST	Marine Dense Fog Advisory	TBW		105 min
Dec 22, 11:06 AM EST	Marine Dense Fog Advisory	TBW		114 min
Dec 23, 12:31 AM EST	Dense Fog Advisory	JAX	Baker, Bradford, Duval, Gilchrist, Nassau, Suwannee and 1 more	9 hr
Dec 23, 1:43 AM EST	Dense Fog Advisory	TAE	Dixie, Lafayette, Madison, Taylor	8 hr
Dec 23, 1:49 AM EST	Dense Fog Advisory	MLB	Lake, Orange, Seminole, Volusia	7 hr
Dec 23, 1:56 AM EST	Dense Fog Advisory	TBW	Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 8 more	7 hr
Dec 23, 2:44 AM EST	Marine Dense Fog Advisory	JAX		9 hr
Dec 23, 6:10 AM EST	Marine Dense Fog Advisory	TBW		11 hr
Dec 23, 8:07 AM EST	Marine Dense Fog Advisory	TAE		114 min
Dec 23, 11:08 AM EST	Marine Dense Fog Advisory	TBW		71 min
Dec 24, 5:06 AM EST	Dense Fog Advisory	TBW	Charlotte, Citrus, Hernando, Hillsborough, Levy, Manatee and 5 more	5 hr
Dec 24, 5:51 AM EST	Dense Fog Advisory	JAX	Flagler	4 hr
Dec 24, 6:06 AM EST	Dense Fog Advisory	MLB	Lake, Volusia	3 hr
Dec 24, 6:07 AM EST	Marine Dense Fog Advisory	TBW		5 hr
Dec 24, 7:11 AM EST	Marine Dense Fog Advisory	JAX		3 hr
Dec 24, 9:03 AM EST	Dense Fog Advisory	MLB	Lake, Volusia	57 min
Dec 24, 1:43 PM EST	Small Craft Advisory	JAX		24 hr
Dec 24, 1:51 PM EST	Small Craft Advisory	TAE		23 hr
Dec 24, 2:16 PM EST	Small Craft Advisory	TBW		22 hr
Dec 24, 4:42 PM EST	Small Craft Advisory	MLB		23 hr
Dec 27, 2:43 AM EST	Small Craft Advisory	JAX		72 hr
Dec 27, 3:08 AM EST	Dense Fog Advisory	JAX	Bradford, Flagler, Gilchrist	6 hr
Dec 27, 4:10 AM EST	Dense Fog Advisory	MLB	Lake, Orange, Seminole, Volusia	5 hr
Dec 27, 4:12 AM EST	Marine Dense Fog Advisory	JAX		5 hr
Dec 27, 4:40 AM EST	Dense Fog Advisory	TBW	Citrus, Hernando, Levy, Pasco, Sumter	5 hr
Dec 27, 9:03 AM EST	Dense Fog Advisory	MLB	Lake, Volusia	57 min
Dec 27, 1:47 PM EST	Special Weather Statement	MFL	Miami-Dade	43 min
Dec 28, 4:39 AM EST	Small Craft Advisory	MLB		47 hr
Dec 28, 4:42 AM EST	Rip Current Statement	JAX	Duval, Flagler, Nassau	13 hr
Dec 28, 4:02 PM EST	Small Craft Advisory	MFL		45 hr
Dec 29, 3:31 AM EST	Rip Current Statement	JAX	Duval, Flagler, Nassau	14 hr
Dec 29, 4:48 AM EST	Beach Hazards Statement	MLB	Volusia	13 hr
Dec 29, 7:40 AM EST	Dense Fog Advisory	MFL	Broward, Collier, Glades, Hendry, Miami-Dade, Palm Beach	2 hr
Dec 29, 5:56 PM EST	Rip Current Statement	MFL	Palm Beach	25 hr
Dec 29, 10:13 PM EST	Small Craft Advisory	MLB		5 hr
Dec 30, 1:23 AM EST	Dense Fog Advisory	TAE	Gadsden, Jefferson, Leon, Madison, Wakulla	8 hr
Dec 30, 3:14 AM EST	Small Craft Advisory for Hazardous Seas	MLB		7 hr
Dec 30, 3:48 AM EST	Dense Fog Advisory	JAX		5 hr
Dec 31, 3:40 AM EST	Small Craft Advisory	TAE		69 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	4
Mesoscale Discussion	3
Special Weather Statement	35
Flooding
Areal Flood Advisory	1
Winter
Winter Weather Advisory	1
Cold
Freeze Warning	7
Hard Freeze Warning	1
Freeze Watch	7
Frost Advisory	2
Wind Chill Advisory	2
Fog and smoke
Dense Fog Advisory	50
Coast and beach
Beach Hazards Statement	1
Rip Current Statement	16
Marine
Special Marine Warning	29
Marine Dense Fog Advisory	21
Small Craft Advisory	25
Small Craft Advisory for Hazardous Seas	1

By county

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

20 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2016 2018

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.