Alert archive / South Carolina / Lee County

Weather alerts in Lee County, South Carolina, 2016

140 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Lee County and its neighbors

Each county as a circle sized by its count in 2016. Tap one for its archive.

Alerts
140
Warnings
38
Watches
11
Advisories
37
Busiest month
July37 alerts
Busiest day
July 8, 20167 alerts

Over time

By month

Warning verification

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

0 of 2 tornado warnings covering Lee County in 2016 had a tornado report inside them.

Lee County, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%0
Severe thunderstorm warnings27264%1292%22 min
Flash flood warnings220%0

Each office's whole area, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Columbia, SC: tornado warnings6183%250%13 min
NWS Columbia, SC: severe thunderstorm warnings19216315%32487%21 min
NWS Columbia, SC: flash flood warnings141214%4596%71 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 4, 2:38 AM ESTLake Wind AdvisoryCAE31 hr
Jan 10, 2:34 AM ESTLake Wind AdvisoryCAE21 hr
Jan 12, 2:19 AM ESTLake Wind AdvisoryCAE20 hr
Jan 15, 5:05 PM ESTSpecial Weather StatementCAE85 min
Jan 21, 4:30 AM ESTFreezing Rain AdvisoryCAE37 hr
Jan 22, 5:41 PM ESTWinter Weather AdvisoryCAE19 hr
Feb 2, 6:51 AM ESTDense Fog AdvisoryCAE3 hr
Feb 3, 1:56 PM ESTMesoscale DiscussionSPC2 hr
Feb 3, 2:55 PM ESTTornado WarningCAE65 min
Feb 9, 2:11 AM ESTLake Wind AdvisoryCAE43 hr
Feb 16, 3:22 AM ESTSpecial Weather StatementCAE23 min
Feb 22, 12:37 PM ESTAreal Flood AdvisoryCAE113 min
Feb 23, 12:39 PM ESTWind AdvisoryCAE39 hr
Feb 24, 10:46 AM ESTMesoscale DiscussionSPC119 min
Feb 24, 11:16 AM ESTTornado WatchSPC8 hr
Feb 24, 2:35 PM ESTSpecial Weather StatementCAE25 min
Feb 24, 2:55 PM ESTMesoscale DiscussionSPC95 min
Feb 25, 3:55 AM ESTLake Wind AdvisoryCAE18 hr
Mar 1, 11:40 PM ESTMesoscale DiscussionSPC65 min
Mar 14, 2:21 PM EDTMesoscale DiscussionSPC84 min
Mar 21, 4:12 AM EDTFrost AdvisoryCAE29 hr
Mar 27, 7:30 PM EDTAreal Flood AdvisoryCAE3 hr
Apr 1, 6:23 AM EDTSpecial Weather StatementCAE22 min
Apr 1, 4:29 PM EDTSevere Thunderstorm WarningCAE61 min
Apr 2, 3:17 AM EDTLake Wind AdvisoryCAE27 hr
Apr 5, 3:27 AM EDTFrost AdvisoryCAE29 hr
Apr 6, 6:31 PM EDTLake Wind AdvisoryCAE7 hr
Apr 7, 1:49 AM EDTWind AdvisoryCAE8 hr
Apr 7, 4:05 AM EDTSpecial Weather StatementCAE25 min
Apr 7, 4:22 AM EDTMesoscale DiscussionSPC2 hr
Apr 7, 4:36 AM EDTSpecial Weather StatementCAE39 min
Apr 7, 9:54 AM EDTLake Wind AdvisoryCAE10 hr
Apr 8, 4:03 AM EDTFreeze WatchCAE24 hr
Apr 8, 4:03 AM EDTLake Wind AdvisoryCAE16 hr
Apr 9, 4:06 AM EDTFreeze WarningCAE29 hr
Apr 9, 4:06 AM EDTLake Wind AdvisoryCAE15 hr
Apr 22, 2:33 PM EDTSpecial Weather StatementCAE57 min
Apr 30, 4:09 AM EDTDense Fog AdvisoryCAE5 hr
May 1, 1:12 PM EDTSpecial Weather StatementCAE63 min
May 1, 1:45 PM EDTSpecial Weather StatementCAE60 min
May 2, 2:23 PM EDTMesoscale DiscussionSPC67 min
May 3, 1:57 PM EDTMesoscale DiscussionSPC3 hr
May 3, 2:52 PM EDTSevere Thunderstorm WatchSPC8 hr
May 5, 4:14 PM EDTSpecial Weather StatementCAE61 min
May 12, 1:40 PM EDTSevere Thunderstorm WarningCAE35 min
May 12, 2:16 PM EDTSevere Thunderstorm WarningCAE44 min
May 19, 12:15 PM EDTAreal Flood AdvisoryCAE3 hr
Jun 2, 6:44 PM EDTSpecial Weather StatementCAE46 min
Jun 2, 7:25 PM EDTSpecial Weather StatementCAE65 min
Jun 2, 8:37 PM EDTSpecial Weather StatementCAE53 min
Jun 2, 8:52 PM EDTSevere Thunderstorm WarningCAE38 min
Jun 5, 1:47 PM EDTMesoscale DiscussionSPC118 min
Jun 5, 3:48 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 5, 6:11 PM EDTSpecial Weather StatementCAE19 min
Jun 6, 3:11 PM EDTFlash Flood WatchCAE13 hr
Jun 14, 1:30 PM EDTMesoscale DiscussionSPC90 min
Jun 15, 12:37 AM EDTSpecial Weather StatementCAE68 min
Jun 15, 1:40 PM EDTMesoscale DiscussionSPC95 min
Jun 15, 1:46 PM EDTSpecial Weather StatementCAE59 min
Jun 17, 1:18 PM EDTSpecial Weather StatementCAE57 min
Jun 17, 1:25 PM EDTSevere Thunderstorm WarningCAE50 min
Jun 17, 1:52 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 17, 2:15 PM EDTSevere Thunderstorm WarningCAE60 min
Jun 24, 3:00 PM EDTMesoscale DiscussionSPC2 hr
Jun 24, 5:08 PM EDTSevere Thunderstorm WarningCAE67 min
Jun 25, 3:25 PM EDTSpecial Weather StatementCAE65 min
Jun 25, 6:23 PM EDTSpecial Weather StatementCAE52 min
Jul 3, 1:36 PM EDTMesoscale DiscussionSPC2 hr
Jul 3, 2:11 PM EDTSpecial Weather StatementCAE49 min
Jul 3, 2:13 PM EDTSpecial Weather StatementCAE47 min
Jul 3, 3:12 PM EDTSpecial Weather StatementCAE18 min
Jul 4, 2:27 PM EDTSpecial Weather StatementCAE48 min
Jul 5, 5:45 PM EDTSevere Thunderstorm WarningCAE75 min
Jul 6, 1:53 PM EDTSevere Thunderstorm WatchSPC4 hr
Jul 6, 3:01 PM EDTMesoscale DiscussionSPC59 min
Jul 7, 3:42 PM EDTMesoscale DiscussionSPC63 min
Jul 7, 4:04 PM EDTSevere Thunderstorm WarningCAE26 min
Jul 7, 4:14 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 7, 4:27 PM EDTSevere Thunderstorm WarningCAE33 min
Jul 7, 7:24 PM EDTMesoscale DiscussionSPC66 min
Jul 7, 8:09 PM EDTSpecial Weather StatementCAE51 min
Jul 7, 8:18 PM EDTSevere Thunderstorm WarningCAE42 min
Jul 7, 8:25 PM EDTSevere Thunderstorm WarningCAE50 min
Jul 7, 8:56 PM EDTSevere Thunderstorm WarningCAE64 min
Jul 7, 9:56 PM EDTSevere Thunderstorm WarningCAE34 min
Jul 7, 10:00 PM EDTSevere Thunderstorm WarningCAE45 min
Jul 7, 10:42 PM EDTSevere Thunderstorm WarningCAE48 min
Jul 8, 9:53 PM EDTMesoscale DiscussionSPC37 min
Jul 8, 11:46 PM EDTSevere Thunderstorm WarningCAE29 min
Jul 9, 12:15 AM EDTSevere Thunderstorm WarningCAE45 min
Jul 11, 1:46 PM EDTMesoscale DiscussionSPC89 min
Jul 11, 6:12 PM EDTSpecial Weather StatementCAE48 min
Jul 11, 7:57 PM EDTSpecial Weather StatementCAE63 min
Jul 14, 1:18 PM EDTSpecial Weather StatementCAE42 min
Jul 14, 1:36 PM EDTSevere Thunderstorm WarningCAE39 min
Jul 15, 1:00 PM EDTSevere Thunderstorm WarningCAE45 min
Jul 15, 1:20 PM EDTSevere Thunderstorm WarningCAE40 min
Jul 15, 1:28 PM EDTMesoscale DiscussionSPC2 hr
Jul 15, 1:56 PM EDTSevere Thunderstorm WarningCAE49 min
Jul 15, 2:49 PM EDTSpecial Weather StatementCAE26 min
Jul 15, 11:01 PM EDTSpecial Weather StatementCAE59 min
Jul 16, 7:04 PM EDTSevere Thunderstorm WarningCAE41 min
Jul 19, 3:52 PM EDTSevere Thunderstorm WarningCAE53 min
Jul 19, 4:14 PM EDTSevere Thunderstorm WarningCAE46 min
Aug 6, 4:37 PM EDTSpecial Weather StatementCAE23 min
Aug 18, 3:01 PM EDTAreal Flood AdvisoryCAE59 min
Aug 18, 3:20 PM EDTSpecial Weather StatementCAE55 min
Aug 18, 3:35 PM EDTSevere Thunderstorm WarningCAE40 min
Aug 18, 4:09 PM EDTAreal Flood AdvisoryCAE111 min
Sep 1, 3:26 AM EDTFlash Flood WatchCAE41 hr
Sep 1, 9:43 AM EDTHigh Wind WatchCAE11 hr
Sep 1, 9:05 PM EDTHigh Wind WarningCAE25 hr
Sep 2, 12:55 PM EDTMesoscale DiscussionSPC2 hr
Sep 2, 12:58 PM EDTTornado WarningCAE23 min
Sep 2, 5:49 PM EDTFlash Flood WarningCAE3 hr
Sep 2, 8:43 PM EDTAreal Flood WarningCAE9 hr
Sep 12, 11:05 AM EDTSpecial Weather StatementCAE25 min
Sep 28, 2:13 PM EDTSevere Thunderstorm WarningCAE26 min
Oct 6, 2:39 PM EDTWind AdvisoryCAE57 hr
Oct 6, 2:47 PM EDTFlash Flood WatchCAE53 hr
Oct 7, 12:00 PM EDTHigh Wind WarningCAE25 hr
Oct 8, 3:09 AM EDTAreal Flood AdvisoryCAE4 hr
Oct 8, 8:10 AM EDTAreal Flood WarningCAE3 hr
Oct 8, 8:19 AM EDTFlash Flood WarningCAE6 hr
Oct 8, 11:11 AM EDTAreal Flood WarningCAE2 hr
Oct 21, 3:28 AM EDTLake Wind AdvisoryCAE29 hr
Nov 9, 2:29 PM ESTLake Wind AdvisoryCAE10 hr
Nov 11, 2:27 PM ESTLake Wind AdvisoryCAE22 hr
Nov 15, 4:59 AM ESTDense Fog AdvisoryCAE4 hr
Nov 19, 3:13 AM ESTLake Wind AdvisoryCAE26 hr
Nov 20, 2:51 AM ESTFreeze WarningCAE30 hr
Nov 29, 3:58 AM ESTLake Wind AdvisoryCAE13 hr
Nov 30, 5:43 PM ESTMesoscale DiscussionSPC92 min
Dec 12, 9:02 PM ESTDense Fog AdvisoryCAE7 hr
Dec 13, 5:11 PM ESTDense Fog AdvisoryCAE12 hr
Dec 21, 3:35 AM ESTFreezing Fog AdvisoryCAE5 hr
Dec 21, 8:40 AM ESTDense Fog AdvisoryCAE3 hr
Dec 27, 8:00 AM ESTDense Fog AdvisoryCAE2 hr
Dec 29, 2:44 AM ESTLake Wind AdvisoryCAE37 hr
Dec 29, 6:11 AM ESTSpecial Weather StatementCAE49 min

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 archive20152017

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.