Alert archive / Pennsylvania / Bradford County

Weather alerts in Bradford County, Pennsylvania, 2011

273 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Bradford County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts
273
Warnings
97
Watches
41
Advisories
51
Busiest month
April55 alerts
Busiest day
April 28, 201117 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

1 of 1 tornado warnings covering Bradford County in 2011 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 16 minutes after it went out.

Bradford County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings110%2100%16 min
Severe thunderstorm warnings463133%2685%19 min
Flash flood warnings201525%2496%126 min

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Binghamton, NY: tornado warnings321069%2268%13 min
NWS Binghamton, NY: severe thunderstorm warnings25315638%41985%25 min
NWS Binghamton, NY: flash flood warnings1286648%21088%144 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.

IssuedProductOfficeLasted
Jan 6, 3:14 PM ESTWinter Weather AdvisoryBGM24 hr
Jan 11, 3:34 AM ESTWinter Weather AdvisoryBGM32 hr
Jan 12, 11:11 AM ESTLake Effect Snow AdvisoryBGM26 hr
Jan 17, 4:15 AM ESTWinter Weather AdvisoryBGM47 hr
Jan 18, 3:33 AM ESTMesoscale DiscussionSPC6 hr
Jan 20, 8:38 AM ESTWinter Weather AdvisoryBGM22 hr
Jan 23, 1:21 PM ESTWind Chill AdvisoryBGM9 hr
Jan 31, 4:41 AM ESTWinter Storm WatchBGM10 hr
Jan 31, 3:07 PM ESTWinter Storm WarningBGM42 hr
Jan 31, 3:07 PM ESTWinter Weather AdvisoryBGM25 hr
Feb 1, 2:42 AM ESTMesoscale DiscussionSPC4 hr
Feb 2, 8:58 AM ESTWinter Weather AdvisoryBGM4 hr
Feb 4, 2:17 PM ESTWinter Weather AdvisoryBGM36 hr
Feb 7, 3:30 PM ESTWinter Weather AdvisoryBGM16 hr
Feb 14, 9:21 AM ESTWind AdvisoryBGM13 hr
Feb 18, 3:45 AM ESTWind AdvisoryBGM19 hr
Feb 18, 10:11 PM ESTHigh Wind WarningBGM16 hr
Feb 19, 8:38 AM ESTLake Effect Snow AdvisoryBGM13 hr
Feb 19, 2:36 PM ESTWind AdvisoryBGM7 hr
Feb 20, 4:03 AM ESTWinter Weather AdvisoryBGM30 hr
Feb 20, 2:54 PM ESTWinter Storm WarningBGM19 hr
Feb 20, 7:46 PM ESTMesoscale DiscussionSPC4 hr
Feb 20, 11:50 PM ESTMesoscale DiscussionSPC5 hr
Feb 24, 3:31 PM ESTWinter Storm WarningBGM25 hr
Feb 24, 3:31 PM ESTWinter Weather AdvisoryBGM25 hr
Feb 25, 2:46 AM ESTMesoscale DiscussionSPC4 hr
Feb 28, 5:08 AM ESTFlood WatchBGM5 hr
Mar 4, 12:12 PM ESTFlood WatchBGM61 hr
Mar 5, 3:56 AM ESTWinter Storm WatchBGM24 hr
Mar 6, 4:11 AM ESTWinter Storm WarningBGM31 hr
Mar 6, 4:11 AM ESTWinter Weather AdvisoryBGM31 hr
Mar 6, 6:40 AM ESTRiver Flood WarningBGM52 hr
Mar 6, 12:59 PM ESTMesoscale DiscussionSPC4 hr
Mar 6, 4:02 PM ESTAreal Flood AdvisoryBGM3 hr
Mar 6, 5:15 PM ESTRiver Flood WarningBGM10 hr
Mar 6, 7:32 PM ESTMesoscale DiscussionSPC4 hr
Mar 9, 11:56 AM ESTFlood WatchBGM42 hr
Mar 10, 6:12 PM ESTFlash Flood WarningBGM6 hr
Mar 10, 8:52 PM ESTRiver Flood WarningBGM13 hr
Mar 10, 8:58 PM ESTRiver Flood WarningBGM4 days
Mar 11, 12:11 AM ESTFlash Flood WarningBGM4 hr
Mar 11, 4:58 AM ESTRiver Flood WarningBGM39 hr
Mar 18, 10:37 PM EDTRiver Flood WarningBGM41 hr
Mar 21, 9:58 AM EDTRiver Flood WarningBGM12 hr
Mar 22, 3:43 AM EDTWinter Storm WatchBGM12 hr
Mar 22, 3:57 PM EDTWinter Storm WarningBGM30 hr
Mar 22, 3:57 PM EDTWinter Weather AdvisoryBGM39 hr
Mar 23, 3:32 AM EDTMesoscale DiscussionSPC4 hr
Mar 30, 3:25 PM EDTWinter Storm WatchBGM24 hr
Apr 5, 9:04 PM EDTRiver Flood WarningBGM25 hr
Apr 11, 6:43 PM EDTMesoscale DiscussionSPC62 min
Apr 15, 3:12 PM EDTWind AdvisoryBGM24 hr
Apr 16, 6:28 PM EDTAreal Flood AdvisoryBGM7 hr
Apr 16, 10:54 PM EDTFlash Flood WarningBGM6 hr
Apr 16, 10:55 PM EDTRiver Flood WarningBGM4 hr
Apr 17, 4:02 AM EDTWind AdvisoryBGM16 hr
Apr 17, 11:13 AM EDTRiver Flood WarningBGM10 hr
Apr 20, 3:45 PM EDTMesoscale DiscussionSPC30 min
Apr 20, 4:03 PM EDTSevere Thunderstorm WatchSPC4 hr
Apr 25, 1:52 PM EDTMesoscale DiscussionSPC83 min
Apr 25, 3:20 PM EDTFlood WatchBGM12 hr
Apr 25, 8:19 PM EDTSpecial Weather StatementBGM41 min
Apr 25, 8:36 PM EDTSevere Thunderstorm WarningBGM39 min
Apr 25, 8:44 PM EDTSevere Thunderstorm WarningBGM61 min
Apr 25, 9:48 PM EDTSpecial Weather StatementBGM57 min
Apr 25, 10:14 PM EDTFlash Flood WarningBGM4 hr
Apr 26, 1:18 PM EDTMesoscale DiscussionSPC57 min
Apr 26, 1:49 PM EDTSevere Thunderstorm WatchSPC7 hr
Apr 26, 4:12 PM EDTMesoscale DiscussionSPC63 min
Apr 26, 4:45 PM EDTSpecial Weather StatementBGM60 min
Apr 26, 5:10 PM EDTFlash Flood WatchBGM9 hr
Apr 26, 5:28 PM EDTSevere Thunderstorm WarningBGM22 min
Apr 26, 6:29 PM EDTFlash Flood WarningBGM6 hr
Apr 26, 6:30 PM EDTSpecial Weather StatementBGM45 min
Apr 26, 6:32 PM EDTFlash Flood WarningBGM6 hr
Apr 26, 6:44 PM EDTSevere Thunderstorm WarningBGM50 min
Apr 26, 6:51 PM EDTMesoscale DiscussionSPC54 min
Apr 26, 8:23 PM EDTSevere Thunderstorm WarningBGM67 min
Apr 26, 8:40 PM EDTAreal Flood AdvisoryBGM3 hr
Apr 26, 9:05 PM EDTFlash Flood WarningBGM4 hr
Apr 26, 10:02 PM EDTRiver Flood WarningBGM5 days
Apr 26, 11:23 PM EDTAreal Flood WarningBGM6 hr
Apr 27, 6:00 AM EDTRiver Flood WarningBGM63 hr
Apr 27, 11:25 AM EDTFlash Flood WatchBGM27 hr
Apr 27, 3:10 PM EDTTornado WatchSPC7 hr
Apr 27, 6:50 PM EDTMesoscale DiscussionSPC55 min
Apr 27, 7:50 PM EDTSevere Thunderstorm WarningBGM55 min
Apr 27, 8:15 PM EDTSevere Thunderstorm WatchSPC8 hr
Apr 27, 8:22 PM EDTSevere Thunderstorm WarningBGM53 min
Apr 27, 8:33 PM EDTFlash Flood WarningBGM2 hr
Apr 27, 9:02 PM EDTSevere Thunderstorm WarningBGM43 min
Apr 27, 9:03 PM EDTMesoscale DiscussionSPC57 min
Apr 27, 10:45 PM EDTMesoscale DiscussionSPC60 min
Apr 28, 1:22 AM EDTSevere Thunderstorm WarningBGM53 min
Apr 28, 2:11 AM EDTSpecial Weather StatementBGM64 min
Apr 28, 2:13 AM EDTSevere Thunderstorm WarningBGM47 min
Apr 28, 2:20 AM EDTMesoscale DiscussionSPC55 min
Apr 28, 3:00 AM EDTFlash Flood WarningBGM10 hr
Apr 28, 3:29 AM EDTFlash Flood WarningBGM10 hr
Apr 28, 3:32 AM EDTMesoscale DiscussionSPC28 min
Apr 28, 3:51 AM EDTSevere Thunderstorm WarningBGM54 min
Apr 28, 4:05 AM EDTSevere Thunderstorm WatchSPC6 hr
Apr 28, 4:12 AM EDTRiver Flood WarningBGM25 hr
Apr 28, 6:05 AM EDTRiver Flood WarningBGM8 hr
May 2, 11:24 AM EDTRiver Flood WarningBGM63 hr
May 2, 3:31 PM EDTFlood WatchBGM42 hr
May 3, 2:27 PM EDTMesoscale DiscussionSPC2 hr
May 3, 3:47 PM EDTSevere Thunderstorm WatchSPC6 hr
May 3, 5:25 PM EDTFlash Flood WarningBGM6 hr
May 3, 6:51 PM EDTMesoscale DiscussionSPC84 min
May 7, 1:18 PM EDTSpecial Weather StatementBGM42 min
May 7, 4:46 PM EDTSpecial Weather StatementBGM29 min
May 9, 2:52 PM EDTFrost AdvisoryBGM17 hr
May 19, 10:47 AM EDTMesoscale DiscussionSPC88 min
May 19, 12:20 PM EDTSevere Thunderstorm WatchSPC8 hr
May 19, 1:30 PM EDTFlash Flood WatchBGM8 hr
May 19, 2:09 PM EDTAreal Flood AdvisoryBGM4 hr
May 19, 2:17 PM EDTMesoscale DiscussionSPC58 min
May 19, 3:43 PM EDTFlash Flood WarningBGM4 hr
May 23, 4:40 PM EDTMesoscale DiscussionSPC95 min
May 23, 11:03 PM EDTFlash Flood WatchBGM4 hr
May 24, 1:34 PM EDTMesoscale DiscussionSPC116 min
May 26, 12:25 AM EDTSevere Thunderstorm WarningBGM35 min
May 26, 1:12 AM EDTSevere Thunderstorm WarningBGM63 min
May 26, 11:55 AM EDTMesoscale DiscussionSPC95 min
May 26, 2:16 PM EDTTornado WatchSPC8 hr
May 26, 4:43 PM EDTSevere Thunderstorm WarningBGM62 min
May 26, 5:05 PM EDTSevere Thunderstorm WarningBGM55 min
May 26, 5:49 PM EDTMesoscale DiscussionSPC56 min
May 26, 5:58 PM EDTSevere Thunderstorm WarningBGM62 min
May 26, 6:46 PM EDTSpecial Weather StatementBGM59 min
May 26, 6:54 PM EDTSevere Thunderstorm WarningBGM66 min
May 26, 7:14 PM EDTTornado WarningBGM46 min
May 26, 7:21 PM EDTSevere Thunderstorm WarningBGM24 min
May 26, 7:45 PM EDTAreal Flood AdvisoryBGM3 hr
May 26, 8:03 PM EDTSevere Thunderstorm WarningBGM57 min
May 26, 8:14 PM EDTFlash Flood WarningBGM6 hr
May 26, 8:30 PM EDTSevere Thunderstorm WarningBGM60 min
May 26, 8:54 PM EDTMesoscale DiscussionSPC66 min
May 27, 12:24 PM EDTMesoscale DiscussionSPC96 min
May 27, 12:57 PM EDTSevere Thunderstorm WatchSPC9 hr
May 27, 5:56 PM EDTSevere Thunderstorm WarningBGM64 min
May 27, 6:14 PM EDTMesoscale DiscussionSPC2 hr
May 27, 6:55 PM EDTSevere Thunderstorm WarningBGM65 min
May 27, 7:29 PM EDTSevere Thunderstorm WarningBGM61 min
May 27, 7:37 PM EDTAreal Flood AdvisoryBGM3 hr
May 27, 7:43 PM EDTFlash Flood WatchBGM7 hr
May 30, 2:20 AM EDTSpecial Weather StatementBGM55 min
May 30, 2:27 AM EDTSevere Thunderstorm WarningBGM63 min
May 30, 3:19 AM EDTSevere Thunderstorm WarningBGM41 min
May 30, 3:34 AM EDTAreal Flood AdvisoryBGM4 hr
Jun 1, 9:38 AM EDTMesoscale DiscussionSPC37 min
Jun 1, 10:02 AM EDTSevere Thunderstorm WatchSPC7 hr
Jun 2, 2:54 PM EDTFrost AdvisoryBGM18 hr
Jun 9, 10:36 AM EDTMesoscale DiscussionSPC84 min
Jun 9, 11:33 AM EDTMesoscale DiscussionSPC57 min
Jun 9, 12:06 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 9, 2:11 PM EDTSevere Thunderstorm WarningBGM64 min
Jun 9, 2:29 PM EDTSpecial Weather StatementBGM46 min
Jun 9, 2:34 PM EDTSpecial Weather StatementBGM56 min
Jun 9, 2:55 PM EDTSevere Thunderstorm WarningBGM65 min
Jun 9, 3:18 PM EDTMesoscale DiscussionSPC87 min
Jun 9, 3:28 PM EDTSevere Thunderstorm WarningBGM77 min
Jun 9, 3:47 PM EDTSevere Thunderstorm WarningBGM88 min
Jun 11, 6:30 PM EDTSevere Thunderstorm WarningBGM45 min
Jun 11, 8:22 PM EDTSpecial Weather StatementBGM53 min
Jun 13, 9:58 PM EDTSpecial Weather StatementBGM47 min
Jun 22, 12:25 AM EDTSevere Thunderstorm WarningBGM22 min
Jun 22, 2:03 PM EDTMesoscale DiscussionSPC117 min
Jun 23, 3:27 PM EDTMesoscale DiscussionSPC2 hr
Jun 24, 11:42 AM EDTMesoscale DiscussionSPC3 hr
Jun 28, 1:19 PM EDTMesoscale DiscussionSPC86 min
Jun 28, 6:42 PM EDTMesoscale DiscussionSPC93 min
Jun 28, 6:58 PM EDTSpecial Weather StatementBGM47 min
Jun 28, 7:14 PM EDTSevere Thunderstorm WarningBGM46 min
Jun 28, 7:40 PM EDTSevere Thunderstorm WarningBGM50 min
Jun 28, 8:29 PM EDTSpecial Weather StatementBGM61 min
Jul 3, 2:07 AM EDTSpecial Weather StatementBGM53 min
Jul 6, 1:04 PM EDTMesoscale DiscussionSPC56 min
Jul 6, 1:29 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 6, 6:03 PM EDTMesoscale DiscussionSPC87 min
Jul 8, 11:44 AM EDTMesoscale DiscussionSPC61 min
Jul 8, 12:16 PM EDTAreal Flood AdvisoryBGM78 min
Jul 8, 4:47 PM EDTSpecial Weather StatementBGM58 min
Jul 8, 4:57 PM EDTAreal Flood AdvisoryBGM3 hr
Jul 18, 7:04 PM EDTSevere Thunderstorm WarningBGM56 min
Jul 20, 2:34 AM EDTExcessive Heat WatchBGM13 hr
Jul 20, 3:48 PM EDTHeat AdvisoryBGM28 hr
Jul 21, 2:08 PM EDTHeat AdvisoryBGM30 hr
Jul 25, 11:37 AM EDTSevere Thunderstorm WatchSPC7 hr
Jul 25, 1:27 PM EDTSevere Thunderstorm WarningBGM63 min
Jul 25, 2:29 PM EDTSevere Thunderstorm WarningBGM61 min
Jul 25, 3:16 PM EDTMesoscale DiscussionSPC59 min
Jul 26, 11:28 AM EDTSevere Thunderstorm WatchSPC8 hr
Jul 26, 2:04 PM EDTSevere Thunderstorm WarningBGM41 min
Jul 26, 3:39 PM EDTMesoscale DiscussionSPC66 min
Jul 29, 12:57 PM EDTMesoscale DiscussionSPC2 hr
Jul 29, 2:40 PM EDTSevere Thunderstorm WarningBGM50 min
Jul 29, 2:40 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 29, 3:41 PM EDTAreal Flood AdvisoryBGM6 hr
Jul 29, 4:40 PM EDTMesoscale DiscussionSPC95 min
Aug 1, 8:01 AM EDTMesoscale DiscussionSPC89 min
Aug 1, 12:07 PM EDTMesoscale DiscussionSPC53 min
Aug 1, 1:32 PM EDTSpecial Weather StatementBGM28 min
Aug 1, 1:34 PM EDTSevere Thunderstorm WarningBGM45 min
Aug 1, 1:42 PM EDTSevere Thunderstorm WarningBGM36 min
Aug 1, 2:13 PM EDTSpecial Weather StatementBGM32 min
Aug 1, 2:31 PM EDTSpecial Weather StatementBGM29 min
Aug 7, 3:53 PM EDTMesoscale DiscussionSPC67 min
Aug 9, 3:05 PM EDTMesoscale DiscussionSPC55 min
Aug 9, 4:16 PM EDTSevere Thunderstorm WatchSPC5 hr
Aug 14, 1:04 PM EDTFlash Flood WatchBGM4 hr
Aug 14, 2:11 PM EDTAreal Flood AdvisoryBGM3 hr
Aug 19, 11:18 AM EDTSpecial Weather StatementBGM57 min
Aug 19, 12:06 PM EDTSpecial Weather StatementBGM54 min
Aug 19, 12:07 PM EDTSevere Thunderstorm WarningBGM52 min
Aug 19, 12:39 PM EDTSevere Thunderstorm WarningBGM51 min
Aug 19, 1:05 PM EDTAreal Flood AdvisoryBGM3 hr
Aug 19, 2:13 PM EDTFlash Flood WatchBGM5 hr
Aug 19, 2:33 PM EDTSevere Thunderstorm WarningBGM42 min
Aug 19, 3:19 PM EDTSpecial Weather StatementBGM56 min
Aug 19, 3:38 PM EDTAreal Flood AdvisoryBGM2 hr
Aug 21, 1:20 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 25, 2:31 AM EDTMesoscale DiscussionSPC119 min
Aug 26, 3:33 PM EDTFlood WatchBGM53 hr
Aug 27, 3:21 PM EDTWind AdvisoryBGM27 hr
Aug 28, 5:52 AM EDTAreal Flood AdvisoryBGM6 hr
Aug 28, 8:00 AM EDTAreal Flood AdvisoryBGM6 hr
Aug 28, 8:16 AM EDTFlash Flood WarningBGM6 hr
Aug 28, 9:55 AM EDTFlash Flood WarningBGM6 hr
Aug 28, 2:54 PM EDTRiver Flood WarningBGM26 hr
Sep 3, 5:44 PM EDTSpecial Weather StatementBGM46 min
Sep 3, 6:18 PM EDTSpecial Weather StatementBGM42 min
Sep 4, 1:33 PM EDTMesoscale DiscussionSPC87 min
Sep 4, 2:27 PM EDTSevere Thunderstorm WarningBGM48 min
Sep 4, 2:43 PM EDTSevere Thunderstorm WatchSPC8 hr
Sep 4, 3:06 PM EDTSevere Thunderstorm WarningBGM39 min
Sep 4, 6:06 PM EDTMesoscale DiscussionSPC54 min
Sep 4, 7:50 PM EDTFlash Flood WatchBGM30 hr
Sep 4, 8:35 PM EDTMesoscale DiscussionSPC55 min
Sep 6, 4:34 AM EDTFlood WatchBGM61 hr
Sep 7, 8:38 AM EDTFlash Flood WarningBGM6 hr
Sep 7, 9:45 AM EDTRiver Flood WarningBGM36 hr
Sep 7, 11:24 AM EDTRiver Flood WarningBGM5 days
Sep 7, 11:33 AM EDTFlash Flood Warning EmergencyBGM18 hr
Sep 7, 2:25 PM EDTFlash Flood WarningBGM18 hr
Sep 7, 4:03 PM EDTRiver Flood WarningBGM3 days
Sep 7, 10:05 PM EDTRiver Flood WarningBGM11 hr
Sep 8, 8:27 AM EDTFlash Flood WarningBGM6 hr
Sep 11, 2:04 PM EDTSpecial Weather StatementBGM86 min
Sep 27, 11:37 PM EDTAreal Flood AdvisoryBGM3 hr
Sep 28, 1:07 AM EDTAreal Flood AdvisoryBGM4 hr
Sep 28, 2:43 AM EDTFlash Flood WatchBGM39 hr
Sep 28, 5:26 PM EDTAreal Flood AdvisoryBGM3 hr
Sep 28, 6:12 PM EDTAreal Flood AdvisoryBGM3 hr
Sep 28, 9:46 PM EDTAreal Flood AdvisoryBGM3 hr
Sep 29, 12:16 AM EDTFlash Flood WarningBGM4 hr
Sep 29, 3:51 AM EDTRiver Flood WarningBGM25 hr
Sep 29, 4:47 AM EDTAreal Flood AdvisoryBGM3 hr
Oct 4, 3:48 PM EDTFreeze WatchBGM12 hr
Oct 5, 3:34 AM EDTFrost AdvisoryBGM30 hr
Oct 6, 3:30 PM EDTFrost AdvisoryBGM19 hr
Oct 22, 3:21 AM EDTFrost AdvisoryBGM31 hr
Oct 27, 3:37 AM EDTHard Freeze WarningBGM30 hr
Oct 28, 3:38 AM EDTWinter Storm WatchBGM11 hr
Oct 28, 2:59 PM EDTWinter Storm WarningBGM32 hr
Oct 29, 7:36 AM EDTMesoscale DiscussionSPC5 hr
Oct 29, 1:01 PM EDTMesoscale DiscussionSPC5 hr
Nov 14, 6:03 PM ESTMesoscale DiscussionSPC117 min
Nov 14, 7:49 PM ESTSevere Thunderstorm WarningBGM56 min
Dec 7, 4:33 AM ESTWinter Weather AdvisoryBGM22 hr
Dec 7, 6:21 PM ESTMesoscale DiscussionSPC4 hr
Dec 28, 4:28 AM ESTWind AdvisoryBGM14 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20102012

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.