Alert archive / Indiana / Franklin County

Weather alerts in Franklin County, Indiana, 2018

116 weather alerts in 2018, 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 2018. Tap one for its archive.

Alerts
116
Warnings
22
Watches
13
Advisories
37
Busiest month
April23 alerts
Busiest day
April 3, 201817 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, 2018

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings5420%10%
Flash flood warnings220%2100%36 min

Each office's whole area, 2018

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wilmington, OH: tornado warnings18572%1080%8 min
NWS Wilmington, OH: severe thunderstorm warnings1579639%36152%16 min
NWS Wilmington, OH: flash flood warnings392341%6685%65 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 2, 2:33 PM ESTWind Chill AdvisoryILN19 hr
Jan 4, 7:48 AM ESTWind Chill AdvisoryILN51 hr
Jan 6, 3:47 PM ESTWind Chill AdvisoryILN18 hr
Jan 7, 3:57 AM ESTWinter Weather AdvisoryILN34 hr
Jan 7, 7:16 PM ESTMesoscale DiscussionSPC6 hr
Jan 8, 1:00 AM ESTMesoscale DiscussionSPC6 hr
Jan 11, 4:11 AM ESTWinter Storm WatchILN11 hr
Jan 11, 3:23 PM ESTWinter Weather AdvisoryILN38 hr
Jan 12, 3:04 AM ESTMesoscale DiscussionSPC6 hr
Jan 12, 8:51 AM ESTMesoscale DiscussionSPC5 hr
Jan 14, 3:28 PM ESTWinter Weather AdvisoryILN48 hr
Jan 15, 4:07 AM ESTWind Chill AdvisoryILN32 hr
Jan 27, 11:00 PM ESTDense Fog AdvisoryILN12 hr
Feb 4, 7:24 PM ESTWinter Weather AdvisoryILN5 hr
Feb 6, 3:07 AM ESTWinter Weather AdvisoryILN34 hr
Feb 6, 10:42 PM ESTMesoscale DiscussionSPC5 hr
Feb 10, 3:34 PM ESTWinter Weather AdvisoryILN24 hr
Feb 15, 6:51 PM ESTMesoscale DiscussionSPC2 hr
Feb 15, 9:57 PM ESTAreal Flood AdvisoryILN3 hr
Feb 15, 10:00 PM ESTSpecial Weather StatementILN30 min
Feb 21, 4:22 AM ESTSpecial Weather StatementILN38 min
Feb 21, 2:49 PM ESTFlood WatchILN4 days
Feb 24, 5:23 PM ESTRiver Flood WarningILN28 hr
Feb 24, 9:45 PM ESTAreal Flood AdvisoryILN7 hr
Feb 25, 12:59 AM ESTRiver Flood AdvisoryILN36 hr
Feb 25, 4:29 AM ESTAreal Flood AdvisoryILN6 hr
Mar 13, 12:13 PM EDTSpecial Weather StatementILN32 min
Mar 13, 4:31 PM EDTSpecial Weather StatementILN29 min
Mar 16, 4:03 AM EDTWinter Weather AdvisoryILN30 hr
Mar 19, 3:37 PM EDTWinter Weather AdvisoryILN46 hr
Mar 20, 1:11 PM EDTWinter Storm WarningILN24 hr
Mar 22, 4:01 AM EDTWinter Storm WatchILN35 hr
Mar 23, 2:36 PM EDTWinter Storm WarningILN31 hr
Mar 28, 8:40 PM EDTDense Fog AdvisoryILN10 hr
Apr 2, 9:02 PM EDTFlash Flood WatchILN29 hr
Apr 3, 6:28 AM EDTAreal Flood AdvisoryILN3 hr
Apr 3, 7:33 AM EDTFlash Flood WarningILN3 hr
Apr 3, 7:41 AM EDTRiver Flood WarningILN29 hr
Apr 3, 7:44 AM EDTRiver Flood AdvisoryILN29 hr
Apr 3, 10:25 AM EDTAreal Flood WarningILN4 hr
Apr 3, 12:41 PM EDTMesoscale DiscussionSPC3 hr
Apr 3, 1:16 PM EDTTornado WatchSPC6 hr
Apr 3, 2:51 PM EDTRiver Flood WarningILN12 hr
Apr 3, 3:05 PM EDTSpecial Weather StatementILN25 min
Apr 3, 3:19 PM EDTSevere Thunderstorm WarningILN41 min
Apr 3, 3:41 PM EDTFlash Flood WarningILN3 hr
Apr 3, 3:41 PM EDTSpecial Weather StatementILN34 min
Apr 3, 4:08 PM EDTSpecial Weather StatementILN22 min
Apr 3, 4:18 PM EDTMesoscale DiscussionSPC117 min
Apr 3, 6:31 PM EDTAreal Flood WarningILN12 hr
Apr 3, 7:30 PM EDTTornado WatchSPC5 hr
Apr 11, 8:00 PM EDTWind AdvisoryILN22 hr
Apr 16, 1:44 AM EDTFreeze WarningILN32 hr
Apr 17, 3:34 PM EDTFreeze WarningILN17 hr
Apr 19, 3:31 AM EDTFreeze WarningILN29 hr
Apr 28, 3:38 AM EDTFreeze WarningILN29 hr
Apr 29, 9:38 AM EDTFrost AdvisoryILN23 hr
May 4, 4:30 PM EDTMesoscale DiscussionSPC2 hr
May 10, 1:43 AM EDTSpecial Weather StatementILN32 min
May 12, 4:20 PM EDTMesoscale DiscussionSPC115 min
May 21, 4:15 PM EDTMesoscale DiscussionSPC60 min
May 21, 4:59 PM EDTSevere Thunderstorm WatchSPC6 hr
May 21, 7:18 PM EDTSpecial Weather StatementILN42 min
May 21, 8:03 PM EDTMesoscale DiscussionSPC117 min
May 22, 12:57 PM EDTMesoscale DiscussionSPC3 hr
May 22, 1:42 PM EDTSevere Thunderstorm WatchSPC7 hr
May 22, 3:48 PM EDTMesoscale DiscussionSPC117 min
May 31, 2:05 PM EDTMesoscale DiscussionSPC85 min
May 31, 2:30 PM EDTSevere Thunderstorm WatchSPC3 hr
May 31, 2:42 PM EDTSevere Thunderstorm WarningILN33 min
May 31, 3:13 PM EDTSevere Thunderstorm WarningILN47 min
Jun 1, 5:00 PM EDTSpecial Weather StatementILN30 min
Jun 1, 5:06 PM EDTSpecial Weather StatementILN24 min
Jun 13, 4:14 PM EDTMesoscale DiscussionSPC2 hr
Jun 13, 4:25 PM EDTSpecial Weather StatementILN35 min
Jun 18, 3:04 AM EDTHeat AdvisoryILN16 hr
Jun 19, 1:37 PM EDTMesoscale DiscussionSPC113 min
Jun 21, 12:15 PM EDTFlash Flood WatchILN12 hr
Jun 26, 12:38 PM EDTSpecial Weather StatementILN37 min
Jul 2, 7:48 PM EDTAreal Flood AdvisoryILN117 min
Jul 3, 4:05 AM EDTHeat AdvisoryILN62 hr
Jul 20, 1:19 PM EDTMesoscale DiscussionSPC56 min
Jul 20, 1:37 PM EDTTornado WatchSPC7 hr
Jul 20, 3:43 PM EDTMesoscale DiscussionSPC62 min
Jul 20, 6:37 PM EDTMesoscale DiscussionSPC53 min
Jul 26, 7:37 PM EDTSpecial Weather StatementILN23 min
Jul 26, 7:46 PM EDTSevere Thunderstorm WarningILN29 min
Jul 31, 4:01 PM EDTMesoscale DiscussionSPC2 hr
Aug 7, 3:00 AM EDTSpecial Weather StatementILN45 min
Aug 10, 5:48 PM EDTMesoscale DiscussionSPC117 min
Aug 25, 6:15 PM EDTSpecial Weather StatementILN45 min
Aug 25, 6:46 PM EDTMesoscale DiscussionSPC89 min
Aug 25, 7:27 PM EDTSevere Thunderstorm WarningILN33 min
Aug 29, 5:40 PM EDTSpecial Weather StatementILN20 min
Sep 5, 6:38 PM EDTSpecial Weather StatementILN22 min
Sep 7, 3:38 AM EDTFlash Flood WatchILN68 hr
Sep 8, 11:54 AM EDTRiver Flood WarningILN23 hr
Sep 9, 4:50 AM EDTRiver Flood AdvisoryILN10 hr
Sep 15, 6:12 AM EDTDense Fog AdvisoryILN4 hr
Sep 28, 1:33 AM EDTDense Fog AdvisoryILN8 hr
Oct 15, 3:14 AM EDTFrost AdvisoryILN30 hr
Oct 15, 9:20 AM EDTFreeze WarningILN24 hr
Oct 17, 3:20 AM EDTFreeze WarningILN31 hr
Oct 20, 4:01 AM EDTWind AdvisoryILN20 hr
Oct 27, 2:37 PM EDTWind AdvisoryILN28 hr
Oct 30, 3:43 AM EDTFlood WatchILN67 hr
Nov 14, 3:55 AM ESTWinter Weather AdvisoryILN31 hr
Nov 14, 7:03 PM ESTMesoscale DiscussionSPC6 hr
Nov 15, 1:11 AM ESTMesoscale DiscussionSPC6 hr
Nov 15, 1:24 AM ESTIce Storm WarningILN10 hr
Nov 25, 6:06 AM ESTDense Fog AdvisoryILN6 hr
Nov 25, 9:48 PM ESTWind AdvisoryILN12 hr
Nov 30, 3:38 AM ESTDense Fog AdvisoryILN8 hr
Dec 1, 7:29 PM ESTSpecial Weather StatementILN31 min
Dec 27, 3:10 PM ESTWind AdvisoryILN9 hr
Dec 31, 3:52 AM ESTWind AdvisoryILN22 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 archive20172019

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.