Alert archive / Kansas / Harper County

Weather alerts in Harper County, Kansas, 2019

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

Harper County and its neighbors

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

Alerts
233
Warnings
47
Watches
38
Advisories
47
Busiest month
May63 alerts
Busiest day
June 23, 201914 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 2 tornado warnings covering Harper County in 2019 had a tornado report inside them; 1 of 2 tornado reports fell inside a warning, on average 3 minutes after it went out.

Harper County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%250%3 min
Severe thunderstorm warnings211052%1090%36 min
Flash flood warnings6433%5100%111 min

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Wichita, KS: tornado warnings291162%3275%16 min
NWS Wichita, KS: severe thunderstorm warnings39321246%60986%28 min
NWS Wichita, KS: flash flood warnings785727%17096%132 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 14, 9:16 PM CSTDense Fog AdvisoryICT16 hr
Jan 15, 6:26 PM CSTDense Fog AdvisoryICT27 hr
Jan 17, 7:12 PM CSTDense Fog AdvisoryICT12 hr
Jan 18, 4:05 AM CSTWinter Weather AdvisoryICT22 hr
Jan 18, 3:44 PM CSTWind AdvisoryICT20 hr
Jan 21, 4:03 AM CSTWind AdvisoryICT16 hr
Jan 21, 3:14 PM CSTWinter Weather AdvisoryICT35 hr
Jan 27, 3:30 PM CSTWind AdvisoryICT26 hr
Feb 1, 3:40 PM CSTDense Fog AdvisoryICT19 hr
Feb 5, 3:24 AM CSTWinter Weather AdvisoryICT53 hr
Feb 6, 7:51 PM CSTMesoscale DiscussionSPC6 hr
Feb 6, 9:58 PM CSTSpecial Weather StatementICT32 min
Feb 10, 7:01 PM CSTDense Fog AdvisoryICT12 hr
Feb 11, 10:12 AM CSTDense Fog AdvisoryICT2 hr
Feb 14, 3:41 AM CSTWinter Weather AdvisoryICT40 hr
Feb 16, 3:26 AM CSTWinter Weather AdvisoryICT23 hr
Feb 18, 3:29 PM CSTWinter Weather AdvisoryICT38 hr
Feb 23, 1:05 AM CSTDense Fog AdvisoryICT8 hr
Feb 23, 4:12 AM CSTWind AdvisoryICT17 hr
Feb 26, 3:00 PM CSTWinter Weather AdvisoryICT39 hr
Mar 1, 3:44 AM CSTWinter Storm WatchICT24 hr
Mar 2, 3:59 AM CSTWinter Weather AdvisoryICT32 hr
Mar 3, 1:23 AM CSTMesoscale DiscussionSPC4 hr
Mar 8, 3:12 PM CSTWind AdvisoryICT22 hr
Mar 9, 1:01 PM CSTHigh Wind WarningICT5 hr
Mar 9, 3:13 PM CSTWind AdvisoryICT3 hr
Mar 11, 3:17 AM CDTHigh Wind WatchICT37 hr
Mar 12, 4:15 PM CDTHigh Wind WarningICT46 hr
Mar 12, 4:15 PM CDTWind AdvisoryICT53 hr
Mar 26, 7:30 AM CDTDense Fog AdvisoryICT3 hr
Mar 27, 11:20 AM CDTWind AdvisoryICT8 hr
Mar 28, 6:44 AM CDTSpecial Weather StatementICT61 min
Mar 28, 7:48 AM CDTSpecial Weather StatementICT57 min
Mar 28, 8:04 AM CDTSevere Thunderstorm WarningICT41 min
Apr 6, 3:30 PM CDTMesoscale DiscussionSPC3 hr
Apr 6, 10:07 PM CDTDense Fog AdvisoryICT13 hr
Apr 9, 3:59 PM CDTWind AdvisoryICT44 hr
Apr 11, 12:00 PM CDTFreeze WarningICT21 hr
Apr 17, 2:42 PM CDTMesoscale DiscussionSPC3 hr
Apr 17, 4:27 PM CDTSevere Thunderstorm WatchSPC8 hr
Apr 17, 6:07 PM CDTSpecial Weather StatementICT23 min
Apr 17, 6:08 PM CDTMesoscale DiscussionSPC97 min
Apr 17, 6:19 PM CDTSevere Thunderstorm WarningICT56 min
Apr 17, 7:49 PM CDTMesoscale DiscussionSPC86 min
Apr 17, 8:17 PM CDTSevere Thunderstorm WarningICT43 min
Apr 18, 4:33 PM CDTSpecial Weather StatementICT87 min
Apr 18, 6:28 PM CDTSpecial Weather StatementICT62 min
Apr 29, 3:34 AM CDTFlash Flood WatchICT3 days
Apr 30, 11:14 AM CDTSpecial Weather StatementICT31 min
Apr 30, 2:23 PM CDTSpecial Weather StatementICT37 min
Apr 30, 2:49 PM CDTSpecial Weather StatementICT26 min
May 3, 10:33 PM CDTDense Fog AdvisoryICT11 hr
May 5, 5:30 PM CDTMesoscale DiscussionSPC60 min
May 5, 5:51 PM CDTSevere Thunderstorm WatchSPC7 hr
May 5, 7:00 PM CDTSpecial Weather StatementICT30 min
May 5, 7:17 PM CDTMesoscale DiscussionSPC58 min
May 6, 4:06 AM CDTFlash Flood WatchICT66 hr
May 6, 5:13 PM CDTTornado WatchSPC7 hr
May 6, 10:58 PM CDTMesoscale DiscussionSPC62 min
May 6, 11:56 PM CDTSevere Thunderstorm WatchSPC4 hr
May 7, 7:33 AM CDTSpecial Weather StatementICT27 min
May 7, 2:11 PM CDTMesoscale DiscussionSPC2 hr
May 7, 2:53 PM CDTSpecial Weather StatementICT37 min
May 7, 3:30 PM CDTSpecial Weather StatementICT30 min
May 7, 3:31 PM CDTTornado WatchSPC6 hr
May 7, 6:01 PM CDTMesoscale DiscussionSPC89 min
May 7, 8:38 PM CDTSpecial Weather StatementICT37 min
May 7, 9:13 PM CDTTornado WatchSPC8 hr
May 7, 9:21 PM CDTSpecial Weather StatementICT24 min
May 7, 9:46 PM CDTSpecial Weather StatementICT29 min
May 7, 10:20 PM CDTSevere Thunderstorm WarningICT33 min
May 8, 8:52 AM CDTAreal Flood WarningICT73 min
May 8, 10:07 AM CDTAreal Flood WarningICT3 days
May 17, 12:59 PM CDTWind AdvisoryICT8 hr
May 18, 7:47 AM CDTMesoscale DiscussionSPC88 min
May 18, 3:31 PM CDTMesoscale DiscussionSPC119 min
May 18, 3:48 PM CDTSevere Thunderstorm WatchSPC6 hr
May 18, 6:07 PM CDTMesoscale DiscussionSPC83 min
May 18, 8:27 PM CDTSevere Thunderstorm WarningICT29 min
May 19, 3:32 AM CDTFlash Flood WatchICT60 hr
May 20, 7:09 AM CDTSevere Thunderstorm WatchSPC6 hr
May 20, 9:52 AM CDTSpecial Weather StatementICT23 min
May 20, 10:13 AM CDTSpecial Weather StatementICT47 min
May 20, 11:35 AM CDTMesoscale DiscussionSPC85 min
May 20, 1:08 PM CDTSpecial Weather StatementICT52 min
May 20, 2:15 PM CDTMesoscale DiscussionSPC90 min
May 20, 2:29 PM CDTAreal Flood WarningICT21 hr
May 21, 11:07 AM CDTAreal Flood WarningICT24 hr
May 21, 12:29 PM CDTSpecial Weather StatementICT46 min
May 21, 3:56 PM CDTSevere Thunderstorm WatchSPC6 hr
May 22, 4:14 AM CDTFlash Flood Watch EmergencyICT5 days
May 22, 10:50 AM CDTAreal Flood WarningICT72 hr
May 23, 11:26 AM CDTMesoscale DiscussionSPC94 min
May 23, 1:42 PM CDTMesoscale DiscussionSPC63 min
May 23, 5:48 PM CDTMesoscale DiscussionSPC87 min
May 24, 1:37 AM CDTTornado WatchSPC5 hr
May 24, 1:42 PM CDTMesoscale DiscussionSPC2 hr
May 24, 2:18 PM CDTTornado WatchSPC8 hr
May 24, 2:32 PM CDTFlash Flood WarningICT7 hr
May 24, 3:26 PM CDTSevere Thunderstorm WarningICT52 min
May 25, 10:39 AM CDTAreal Flood WarningICT5 days
May 25, 5:56 PM CDTMesoscale DiscussionSPC2 hr
May 25, 6:19 PM CDTSevere Thunderstorm WatchSPC7 hr
May 25, 7:11 PM CDTSevere Thunderstorm WarningICT79 min
May 26, 3:41 AM CDTFlash Flood WatchICT27 hr
May 26, 5:51 AM CDTSpecial Weather StatementICT39 min
May 26, 11:23 PM CDTSevere Thunderstorm WatchSPC6 hr
May 26, 11:51 PM CDTSevere Thunderstorm WarningICT69 min
May 27, 12:54 AM CDTSevere Thunderstorm WarningICT81 min
May 27, 2:41 AM CDTFlash Flood WarningICT4 hr
May 27, 4:31 AM CDTSpecial Weather StatementICT29 min
May 28, 9:39 AM CDTMesoscale DiscussionSPC96 min
May 28, 2:02 PM CDTMesoscale DiscussionSPC88 min
May 28, 2:52 PM CDTTornado WatchSPC7 hr
Jun 2, 7:01 AM CDTSpecial Weather StatementICT29 min
Jun 3, 11:38 PM CDTSpecial Weather StatementICT82 min
Jun 4, 1:05 AM CDTSpecial Weather StatementICT40 min
Jun 4, 2:01 AM CDTSpecial Weather StatementICT44 min
Jun 5, 8:21 PM CDTSpecial Weather StatementICT54 min
Jun 5, 9:29 PM CDTAreal Flood WarningICT12 hr
Jun 6, 3:08 AM CDTFlash Flood WatchICT25 hr
Jun 14, 5:51 PM CDTMesoscale DiscussionSPC114 min
Jun 14, 9:50 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 14, 11:33 PM CDTMesoscale DiscussionSPC117 min
Jun 14, 11:38 PM CDTSevere Thunderstorm WarningICT67 min
Jun 15, 10:04 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 15, 10:34 PM CDTSpecial Weather StatementICT11 min
Jun 15, 10:44 PM CDTSevere Thunderstorm WarningICT31 min
Jun 15, 11:19 PM CDTAreal Flood WarningICT8 hr
Jun 15, 11:32 PM CDTSpecial Weather StatementICT13 min
Jun 16, 6:35 PM CDTSpecial Weather StatementICT25 min
Jun 18, 1:17 PM CDTMesoscale DiscussionSPC118 min
Jun 18, 2:20 PM CDTTornado WatchSPC7 hr
Jun 18, 4:16 PM CDTMesoscale DiscussionSPC119 min
Jun 18, 6:19 PM CDTSevere Thunderstorm WarningICT56 min
Jun 21, 3:16 PM CDTFlash Flood WatchICT48 hr
Jun 22, 1:58 PM CDTMesoscale DiscussionSPC2 hr
Jun 22, 2:42 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 22, 4:26 PM CDTSpecial Weather StatementICT64 min
Jun 22, 4:55 PM CDTSevere Thunderstorm WarningICT65 min
Jun 22, 5:59 PM CDTSpecial Weather StatementICT31 min
Jun 22, 6:52 PM CDTSpecial Weather StatementICT23 min
Jun 22, 7:17 PM CDTSpecial Weather StatementICT28 min
Jun 22, 7:40 PM CDTSevere Thunderstorm WarningICT65 min
Jun 22, 7:46 PM CDTFlash Flood WarningICT4 hr
Jun 22, 7:46 PM CDTMesoscale DiscussionSPC89 min
Jun 22, 11:30 PM CDTFlash Flood WarningICT4 hr
Jun 23, 1:10 AM CDTMesoscale DiscussionSPC95 min
Jun 23, 1:37 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 23, 3:01 AM CDTFlash Flood WarningICT6 hr
Jun 23, 3:02 AM CDTSevere Thunderstorm WarningICT58 min
Jun 23, 3:17 AM CDTTornado WarningICT14 min
Jun 23, 3:39 AM CDTTornado Warning Tornado observedICT20 min
Jun 23, 3:52 AM CDTSpecial Weather StatementICT38 min
Jun 23, 4:14 AM CDTMesoscale DiscussionSPC91 min
Jun 23, 4:31 AM CDTSevere Thunderstorm WarningICT59 min
Jul 5, 1:37 PM CDTSpecial Weather StatementICT23 min
Jul 5, 2:49 PM CDTMesoscale DiscussionSPC116 min
Jul 5, 6:42 PM CDTSpecial Weather StatementICT18 min
Jul 5, 6:59 PM CDTSpecial Weather StatementICT16 min
Jul 5, 11:26 PM CDTSevere Thunderstorm WarningICT49 min
Jul 6, 12:23 AM CDTMesoscale DiscussionSPC97 min
Jul 6, 12:35 AM CDTSpecial Weather StatementICT40 min
Jul 15, 3:45 PM CDTExcessive Heat WatchICT24 hr
Jul 16, 3:18 PM CDTExcessive Heat WarningICT5 days
Jul 21, 8:21 PM CDTMesoscale DiscussionSPC84 min
Aug 1, 3:53 AM CDTHeat AdvisoryICT15 hr
Aug 6, 3:58 PM CDTHeat AdvisoryICT27 hr
Aug 6, 4:52 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 3:05 PM CDTHeat AdvisoryICT53 hr
Aug 13, 6:13 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 13, 8:31 PM CDTMesoscale DiscussionSPC59 min
Aug 13, 10:52 PM CDTSpecial Weather StatementICT23 min
Aug 13, 11:10 PM CDTSevere Thunderstorm WarningICT65 min
Aug 16, 6:29 PM CDTMesoscale DiscussionSPC91 min
Aug 16, 11:35 PM CDTSpecial Weather StatementICT40 min
Aug 17, 1:03 AM CDTSpecial Weather StatementICT27 min
Aug 18, 3:32 PM CDTHeat AdvisoryICT53 hr
Aug 24, 4:07 AM CDTFlash Flood WatchICT27 hr
Aug 24, 11:04 PM CDTMesoscale DiscussionSPC116 min
Aug 24, 11:54 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 25, 1:32 AM CDTMesoscale DiscussionSPC88 min
Aug 25, 3:20 AM CDTMesoscale DiscussionSPC55 min
Aug 25, 4:40 AM CDTMesoscale DiscussionSPC65 min
Aug 25, 5:23 AM CDTSpecial Weather StatementICT37 min
Aug 25, 9:14 AM CDTSpecial Weather StatementICT46 min
Aug 25, 9:59 AM CDTSpecial Weather StatementICT46 min
Aug 25, 10:32 AM CDTSpecial Weather StatementICT43 min
Aug 29, 4:10 PM CDTFlash Flood WatchICT17 hr
Aug 29, 7:50 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 29, 9:52 PM CDTMesoscale DiscussionSPC83 min
Aug 29, 11:47 PM CDTMesoscale DiscussionSPC88 min
Aug 30, 12:13 AM CDTSpecial Weather StatementICT32 min
Sep 1, 5:12 AM CDTDense Fog AdvisoryICT5 hr
Sep 24, 6:52 AM CDTDense Fog AdvisoryICT2 hr
Sep 24, 3:05 PM CDTSevere Thunderstorm WatchSPC7 hr
Sep 24, 6:30 PM CDTMesoscale DiscussionSPC90 min
Sep 24, 6:36 PM CDTSevere Thunderstorm WarningICT69 min
Sep 24, 7:46 PM CDTSevere Thunderstorm WarningICT27 min
Sep 24, 8:36 PM CDTMesoscale DiscussionSPC84 min
Sep 24, 10:00 PM CDTSpecial Weather StatementICT45 min
Sep 24, 11:05 PM CDTSpecial Weather StatementICT40 min
Sep 25, 9:07 PM CDTMesoscale DiscussionSPC113 min
Sep 25, 9:45 PM CDTSevere Thunderstorm WarningICT33 min
Sep 25, 10:27 PM CDTAreal Flood WarningICT12 hr
Sep 25, 10:33 PM CDTSpecial Weather StatementICT27 min
Sep 27, 5:37 PM CDTMesoscale DiscussionSPC2 hr
Sep 30, 1:55 PM CDTFlash Flood WatchICT46 hr
Oct 2, 2:30 PM CDTMesoscale DiscussionSPC2 hr
Oct 2, 4:20 PM CDTSpecial Weather StatementICT25 min
Oct 3, 5:47 AM CDTAreal Flood WarningICT30 hr
Oct 3, 7:15 AM CDTFlash Flood WarningICT4 hr
Oct 9, 4:03 PM CDTFreeze WarningICT42 hr
Oct 9, 11:39 PM CDTSpecial Weather StatementICT21 min
Oct 9, 11:50 PM CDTSpecial Weather StatementICT25 min
Oct 10, 4:21 AM CDTWind AdvisoryICT11 hr
Oct 10, 3:47 PM CDTFreeze WatchICT23 hr
Oct 11, 3:07 AM CDTFreeze WarningICT29 hr
Oct 29, 3:56 AM CDTWinter Weather AdvisoryICT39 hr
Nov 10, 2:41 PM CSTWind AdvisoryICT23 hr
Nov 20, 11:31 AM CSTWind AdvisoryICT6 hr
Nov 25, 2:50 PM CSTRed Flag WarningICT36 hr
Nov 25, 2:52 PM CSTWind AdvisoryICT36 hr
Nov 25, 3:24 PM CSTHigh Wind WatchICT11 hr
Nov 26, 2:45 AM CSTHigh Wind WarningICT24 hr
Nov 27, 2:57 PM CSTWinter Weather AdvisoryICT26 hr
Nov 28, 6:42 PM CSTDense Fog AdvisoryICT5 hr
Nov 29, 3:31 PM CSTWind AdvisoryICT50 hr
Dec 9, 3:23 AM CSTWind AdvisoryICT9 hr
Dec 14, 3:30 AM CSTWinter Weather AdvisoryICT63 hr
Dec 21, 5:11 AM CSTDense Fog AdvisoryICT6 hr
Dec 21, 9:46 PM CSTDense Fog AdvisoryICT14 hr
Dec 22, 3:02 PM CSTDense Fog AdvisoryICT20 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.