Alert archive / Vermont / Franklin County

Weather alerts in Franklin County, Vermont, 2019

125 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Franklin County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
125
Warnings
41
Watches
14
Advisories
31
Busiest month
January27 alerts
Busiest day
July 30, 20197 alerts

Over time

By month

Warning verification

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

Franklin County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings11827%4100%25 min
Flash flood warnings110%2100%105 min

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Burlington, VT: severe thunderstorm warnings422736%7477%21 min
NWS Burlington, VT: flash flood warnings6517%2370%78 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 7, 2:58 PM ESTWind AdvisoryBTV20 hr
Jan 7, 3:07 PM ESTWinter Weather AdvisoryBTV19 hr
Jan 8, 2:29 PM ESTWinter Weather AdvisoryBTV46 hr
Jan 8, 6:22 PM ESTWinter Storm WarningBTV42 hr
Jan 11, 2:44 PM ESTWind Chill AdvisoryBTV19 hr
Jan 16, 3:05 PM ESTWind Chill AdvisoryBTV12 hr
Jan 17, 3:21 AM ESTWinter Storm WatchBTV24 hr
Jan 18, 3:23 AM ESTWinter Storm WarningBTV59 hr
Jan 20, 12:46 AM ESTMesoscale DiscussionSPC4 hr
Jan 20, 3:27 AM ESTWind Chill WarningBTV52 hr
Jan 20, 6:42 AM ESTMesoscale DiscussionSPC6 hr
Jan 20, 2:30 PM ESTWinter Weather AdvisoryBTV12 hr
Jan 22, 3:10 PM ESTWinter Weather AdvisoryBTV37 hr
Jan 23, 7:00 PM ESTMesoscale DiscussionSPC4 hr
Jan 27, 1:06 PM ESTSnow Squall WarningBTV54 min
Jan 27, 2:05 PM ESTSnow Squall WarningBTV55 min
Jan 27, 2:56 PM ESTSnow Squall WarningBTV64 min
Jan 28, 3:27 AM ESTWinter Storm WatchBTV12 hr
Jan 28, 3:35 PM ESTWinter Storm WarningBTV35 hr
Jan 28, 3:35 PM ESTWinter Weather AdvisoryBTV35 hr
Jan 30, 3:41 AM ESTWind Chill AdvisoryBTV32 hr
Jan 30, 3:25 PM ESTSpecial Weather StatementBTV35 min
Jan 30, 4:02 PM ESTSnow Squall WarningBTV28 min
Jan 30, 4:28 PM ESTSnow Squall WarningBTV32 min
Jan 30, 4:55 PM ESTSnow Squall WarningBTV35 min
Jan 30, 5:14 PM ESTSnow Squall WarningBTV61 min
Jan 31, 2:32 PM ESTWind Chill AdvisoryBTV19 hr
Feb 2, 3:19 PM ESTWinter Weather AdvisoryBTV43 hr
Feb 5, 2:53 PM ESTWinter Weather AdvisoryBTV36 hr
Feb 6, 6:50 PM ESTMesoscale DiscussionSPC6 hr
Feb 10, 3:29 AM ESTWinter Storm WatchBTV11 hr
Feb 10, 2:45 PM ESTWinter Storm WarningBTV69 hr
Feb 12, 3:35 PM ESTMesoscale DiscussionSPC4 hr
Feb 23, 3:53 AM ESTWinter Weather AdvisoryBTV32 hr
Feb 23, 3:03 PM ESTWind AdvisoryBTV52 hr
Feb 25, 9:29 AM ESTSpecial Weather StatementBTV61 min
Feb 25, 11:01 AM ESTSpecial Weather StatementBTV59 min
Feb 26, 3:11 PM ESTWind Chill AdvisoryBTV18 hr
Mar 11, 8:18 PM EDTSpecial Weather StatementBTV87 min
Mar 11, 8:55 PM EDTWinter Weather AdvisoryBTV6 hr
Mar 14, 2:37 AM EDTFlood WatchBTV60 hr
Mar 16, 10:59 AM EDTSpecial Weather StatementBTV46 min
Mar 20, 3:21 PM EDTWinter Storm WatchBTV24 hr
Mar 21, 3:06 PM EDTWinter Storm WarningBTV43 hr
Mar 21, 3:06 PM EDTWinter Weather AdvisoryBTV42 hr
Mar 31, 2:07 PM EDTAreal Flood WarningBTV6 hr
Apr 1, 7:27 AM EDTAreal Flood WarningBTV12 hr
Apr 3, 2:28 PM EDTSpecial Weather StatementBTV32 min
Apr 12, 2:44 PM EDTFlood WatchBTV4 days
Apr 18, 3:55 AM EDTFlood WatchBTV3 days
Apr 18, 1:25 PM EDTRiver Flood WarningBTV8 hr
Apr 21, 12:44 AM EDTRiver Flood WarningBTV40 days
Apr 26, 2:47 AM EDTWind AdvisoryBTV19 hr
May 8, 3:24 AM EDTFrost AdvisoryBTV28 hr
Jun 14, 11:29 AM EDTSpecial Weather StatementBTV61 min
Jun 20, 11:44 AM EDTFlash Flood WatchBTV9 hr
Jun 26, 4:14 PM EDTSevere Thunderstorm WarningBTV61 min
Jun 26, 4:44 PM EDTSpecial Weather StatementBTV61 min
Jun 26, 4:50 PM EDTMesoscale DiscussionSPC85 min
Jun 26, 5:08 PM EDTSevere Thunderstorm WarningBTV67 min
Jun 27, 11:44 PM EDTSevere Thunderstorm WarningBTV61 min
Jun 29, 5:58 PM EDTMesoscale DiscussionSPC3 hr
Jun 29, 6:23 PM EDTMesoscale DiscussionSPC2 hr
Jun 29, 7:02 PM EDTSpecial Weather StatementBTV58 min
Jun 29, 7:27 PM EDTSevere Thunderstorm WarningBTV63 min
Jun 29, 8:15 PM EDTSevere Thunderstorm WarningBTV60 min
Jun 29, 8:20 PM EDTSevere Thunderstorm WarningBTV13 min
Jun 29, 8:53 PM EDTSpecial Weather StatementBTV52 min
Jul 6, 11:55 AM EDTMesoscale DiscussionSPC3 hr
Jul 11, 5:37 PM EDTSevere Thunderstorm WatchSPC4 hr
Jul 18, 2:28 PM EDTHeat AdvisoryBTV3 days
Jul 20, 6:24 PM EDTMesoscale DiscussionSPC96 min
Jul 28, 1:45 PM EDTMesoscale DiscussionSPC2 hr
Jul 28, 2:06 PM EDTSevere Thunderstorm WarningBTV39 min
Jul 30, 12:59 PM EDTMesoscale DiscussionSPC2 hr
Jul 30, 1:22 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 30, 3:28 PM EDTSevere Thunderstorm WarningBTV62 min
Jul 30, 3:46 PM EDTSevere Thunderstorm WarningBTV59 min
Jul 30, 4:22 PM EDTMesoscale DiscussionSPC113 min
Jul 30, 4:42 PM EDTSevere Thunderstorm WarningBTV33 min
Jul 30, 4:59 PM EDTSevere Thunderstorm WarningBTV61 min
Jul 31, 2:25 PM EDTSpecial Weather StatementBTV35 min
Jul 31, 2:58 PM EDTSpecial Weather StatementBTV32 min
Aug 3, 2:29 PM EDTMesoscale DiscussionSPC2 hr
Aug 6, 4:20 PM EDTSpecial Weather StatementBTV25 min
Aug 7, 1:26 PM EDTMesoscale DiscussionSPC94 min
Aug 7, 8:08 PM EDTSpecial Weather StatementBTV37 min
Aug 7, 8:44 PM EDTSpecial Weather StatementBTV31 min
Aug 8, 8:07 PM EDTSpecial Weather StatementBTV38 min
Aug 9, 5:13 PM EDTSpecial Weather StatementBTV62 min
Sep 4, 8:29 AM EDTSpecial Weather StatementBTV61 min
Sep 18, 3:00 PM EDTFrost AdvisoryBTV18 hr
Sep 29, 2:52 AM EDTFrost AdvisoryBTV29 hr
Oct 1, 2:09 PM EDTSpecial Weather StatementBTV51 min
Oct 2, 12:28 AM EDTAreal Flood WarningBTV6 hr
Oct 2, 2:13 PM EDTFrost AdvisoryBTV17 hr
Oct 3, 3:33 PM EDTFreeze WatchBTV12 hr
Oct 4, 3:40 AM EDTFrost AdvisoryBTV28 hr
Oct 4, 3:40 AM EDTFreeze WarningBTV28 hr
Oct 16, 3:31 PM EDTFlood WatchBTV24 hr
Oct 16, 3:52 PM EDTWind AdvisoryBTV24 hr
Oct 19, 3:55 AM EDTFrost AdvisoryBTV27 hr
Oct 30, 3:15 AM EDTFlood WatchBTV55 hr
Oct 30, 3:07 PM EDTWind AdvisoryBTV48 hr
Oct 31, 11:21 PM EDTAreal Flood WarningBTV12 hr
Nov 1, 12:20 AM EDTFlash Flood WarningBTV3 hr
Nov 1, 12:28 AM EDTRiver Flood WarningBTV40 hr
Nov 1, 7:25 AM EDTRiver Flood WarningBTV23 hr
Nov 1, 11:05 AM EDTAreal Flood WarningBTV115 min
Nov 10, 3:28 AM ESTWinter Storm WatchBTV12 hr
Nov 10, 3:05 PM ESTWinter Storm WarningBTV45 hr
Nov 12, 2:03 AM ESTMesoscale DiscussionSPC5 hr
Nov 15, 2:34 PM ESTMesoscale DiscussionSPC3 hr
Nov 15, 4:29 PM ESTSpecial Weather StatementBTV46 min
Nov 17, 1:32 PM ESTWinter Weather AdvisoryBTV47 hr
Dec 11, 5:56 PM ESTSnow Squall WarningBTV64 min
Dec 11, 6:52 PM ESTSnow Squall WarningBTV53 min
Dec 11, 7:44 PM ESTSnow Squall WarningBTV61 min
Dec 11, 8:50 PM ESTMesoscale DiscussionSPC2 hr
Dec 18, 3:26 AM ESTWind Chill AdvisoryBTV31 hr
Dec 18, 1:34 PM ESTSpecial Weather StatementBTV56 min
Dec 18, 2:28 PM ESTSnow Squall WarningBTV47 min
Dec 18, 3:15 PM ESTSnow Squall WarningBTV45 min
Dec 26, 3:02 AM ESTWinter Weather AdvisoryBTV32 hr
Dec 29, 3:57 AM ESTWinter Weather AdvisoryBTV53 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 archive20182020

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.