Alert archive / Missouri / Newton County

Weather alerts in Newton County, Missouri, 2011

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

Newton County and its neighbors

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

Alerts
217
Warnings
78
Watches
32
Advisories
33
Busiest month
May52 alerts
Busiest day
May 23, 201120 alerts

Over time

By month

Warning verification

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

3 of 7 tornado warnings covering Newton County in 2011 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 22 minutes after it went out.

Newton County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings7357%1100%22 min
Severe thunderstorm warnings331845%1173%31 min
Flash flood warnings10640%8100%295 min

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Springfield, MO: tornado warnings71987%2186%21 min
NWS Springfield, MO: severe thunderstorm warnings49423353%54974%24 min
NWS Springfield, MO: flash flood warnings633544%17191%216 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 7, 1:11 PM CSTWind AdvisorySGF5 hr
Jan 9, 3:07 PM CSTWinter Weather AdvisorySGF39 hr
Jan 11, 3:50 AM CSTWind Chill AdvisorySGF32 hr
Jan 18, 4:00 PM CSTWinter Weather AdvisorySGF47 hr
Jan 20, 6:29 AM CSTWinter Storm WarningSGF6 hr
Jan 29, 3:27 PM CSTWinter Storm WatchSGF37 hr
Jan 30, 4:35 PM CSTWinter Storm WarningSGF51 hr
Jan 31, 2:30 PM CSTBlizzard WarningSGF29 hr
Jan 31, 10:36 PM CSTMesoscale DiscussionSPC5 hr
Feb 1, 3:11 AM CSTMesoscale DiscussionSPC6 hr
Feb 1, 1:11 PM CSTMesoscale DiscussionSPC4 hr
Feb 1, 7:47 PM CSTWind Chill AdvisorySGF61 hr
Feb 1, 10:13 PM CSTWinter Weather AdvisorySGF11 hr
Feb 4, 11:13 AM CSTWinter Weather AdvisorySGF21 hr
Feb 7, 2:35 PM CSTWinter Weather AdvisorySGF51 hr
Feb 9, 1:24 AM CSTWinter Storm WarningSGF14 hr
Feb 9, 2:44 PM CSTWind Chill AdvisorySGF19 hr
Feb 10, 10:01 PM CSTWind Chill AdvisorySGF10 hr
Feb 23, 8:43 PM CSTMesoscale DiscussionSPC62 min
Feb 26, 9:23 PM CSTDense Fog AdvisorySGF12 hr
Feb 27, 2:12 PM CSTMesoscale DiscussionSPC93 min
Feb 27, 7:03 PM CSTMesoscale DiscussionSPC87 min
Feb 27, 7:24 PM CSTTornado WatchSPC7 hr
Feb 27, 10:03 PM CSTSevere Thunderstorm WarningSGF42 min
Mar 4, 11:52 AM CSTMesoscale DiscussionSPC2 hr
Mar 4, 1:33 PM CSTSevere Thunderstorm WatchSPC5 hr
Mar 4, 3:55 PM CSTMesoscale DiscussionSPC95 min
Mar 11, 9:24 AM CSTRed Flag WarningSGF10 hr
Mar 13, 3:02 PM CDTSevere Thunderstorm WarningSGF43 min
Mar 19, 5:30 AM CDTMesoscale DiscussionSPC3 hr
Mar 19, 9:43 AM CDTSevere Thunderstorm WatchSPC6 hr
Mar 19, 11:32 AM CDTMesoscale DiscussionSPC118 min
Mar 19, 1:33 PM CDTSevere Thunderstorm WarningSGF42 min
Mar 19, 3:05 PM CDTMesoscale DiscussionSPC85 min
Mar 26, 4:06 AM CDTFreeze WatchSGF10 hr
Mar 26, 2:30 PM CDTFreeze WarningSGF44 hr
Apr 2, 3:29 PM CDTWind AdvisorySGF29 hr
Apr 3, 9:51 PM CDTMesoscale DiscussionSPC84 min
Apr 3, 10:56 PM CDTHigh Wind WarningSGF2 hr
Apr 4, 1:29 AM CDTMesoscale DiscussionSPC91 min
Apr 4, 3:18 PM CDTFreeze WarningSGF17 hr
Apr 5, 4:13 AM CDTRed Flag WarningSGF15 hr
Apr 6, 5:22 AM CDTRed Flag WarningSGF13 hr
Apr 9, 1:52 AM CDTMesoscale DiscussionSPC53 min
Apr 9, 2:49 AM CDTSpecial Weather StatementSGF41 min
Apr 9, 3:28 AM CDTSpecial Weather StatementSGF47 min
Apr 10, 10:01 AM CDTWind AdvisorySGF9 hr
Apr 10, 7:28 PM CDTTornado WatchSPC8 hr
Apr 10, 8:23 PM CDTSevere Thunderstorm WarningSGF52 min
Apr 10, 8:52 PM CDTMesoscale DiscussionSPC53 min
Apr 14, 6:18 PM CDTMesoscale DiscussionSPC117 min
Apr 14, 8:08 PM CDTSevere Thunderstorm WarningSGF67 min
Apr 14, 8:13 PM CDTSevere Thunderstorm WarningSGF16 min
Apr 14, 8:16 PM CDTTornado WarningSGF44 min
Apr 14, 8:54 PM CDTTornado WarningSGF51 min
Apr 14, 8:56 PM CDTSevere Thunderstorm WarningSGF49 min
Apr 14, 9:06 PM CDTTornado WatchSPC6 hr
Apr 14, 11:11 PM CDTMesoscale DiscussionSPC94 min
Apr 19, 12:40 PM CDTMesoscale DiscussionSPC95 min
Apr 19, 1:00 PM CDTTornado WatchSPC10 hr
Apr 21, 1:22 PM CDTFlash Flood WatchSGF6 days
Apr 21, 2:35 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 21, 6:13 PM CDTMesoscale DiscussionSPC92 min
Apr 22, 1:04 PM CDTMesoscale DiscussionSPC116 min
Apr 22, 1:23 PM CDTMesoscale DiscussionSPC97 min
Apr 22, 3:34 PM CDTTornado WatchSPC6 hr
Apr 22, 4:27 PM CDTSevere Thunderstorm WarningSGF48 min
Apr 22, 5:13 PM CDTSevere Thunderstorm WarningSGF47 min
Apr 22, 5:54 PM CDTTornado WarningSGF51 min
Apr 22, 9:01 PM CDTSevere Thunderstorm WarningSGF23 min
Apr 22, 11:04 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 22, 11:10 PM CDTMesoscale DiscussionSPC2 hr
Apr 23, 2:33 AM CDTMesoscale DiscussionSPC87 min
Apr 23, 5:06 AM CDTMesoscale DiscussionSPC24 min
Apr 23, 6:30 AM CDTFlash Flood WarningSGF6 hr
Apr 23, 11:53 AM CDTAreal Flood WarningSGF6 hr
Apr 23, 5:58 PM CDTAreal Flood WarningSGF6 hr
Apr 24, 6:36 AM CDTFlash Flood WarningSGF7 hr
Apr 24, 1:59 PM CDTAreal Flood WarningSGF17 hr
Apr 24, 10:51 PM CDTFlash Flood WarningSGF8 hr
Apr 25, 6:23 AM CDTFlash Flood WarningSGF20 hr
Apr 25, 1:11 PM CDTRiver Flood WarningSGF38 hr
Apr 26, 2:15 AM CDTAreal Flood WarningSGF37 hr
Apr 26, 5:53 PM CDTSevere Thunderstorm WarningSGF37 min
Apr 26, 6:17 PM CDTMesoscale DiscussionSPC118 min
May 6, 1:14 AM CDTDense Fog AdvisorySGF8 hr
May 11, 4:00 PM CDTSevere Thunderstorm WatchSPC8 hr
May 11, 6:35 PM CDTMesoscale DiscussionSPC55 min
May 11, 6:49 PM CDTSpecial Weather StatementSGF56 min
May 11, 7:13 PM CDTSevere Thunderstorm WarningSGF47 min
May 12, 1:46 PM CDTMesoscale DiscussionSPC119 min
May 12, 3:17 PM CDTSevere Thunderstorm WatchSPC7 hr
May 12, 6:17 PM CDTSevere Thunderstorm WarningSGF58 min
May 12, 6:30 PM CDTMesoscale DiscussionSPC90 min
May 12, 7:53 PM CDTAreal Flood AdvisorySGF6 hr
May 20, 8:38 AM CDTFlash Flood WarningSGF4 hr
May 20, 9:11 AM CDTMesoscale DiscussionSPC2 hr
May 20, 11:05 AM CDTFlash Flood WatchSGF40 hr
May 22, 1:06 PM CDTMesoscale DiscussionSPC114 min
May 22, 1:27 PM CDTTornado WatchSPC8 hr
May 22, 3:48 PM CDTMesoscale DiscussionSPC117 min
May 22, 5:17 PM CDTTornado WarningSGF43 min
May 22, 5:48 PM CDTTornado WarningSGF42 min
May 22, 5:53 PM CDTFlash Flood WarningSGF6 hr
May 22, 6:10 PM CDTSevere Thunderstorm WarningSGF65 min
May 22, 6:10 PM CDTMesoscale DiscussionSPC65 min
May 22, 6:22 PM CDTTornado WarningSGF38 min
May 22, 7:06 PM CDTSevere Thunderstorm WarningSGF54 min
May 22, 7:10 PM CDTFlash Flood WarningSGF6 hr
May 22, 7:52 PM CDTMesoscale DiscussionSPC53 min
May 22, 9:57 PM CDTSpecial Weather StatementSGF33 min
May 23, 12:50 AM CDTFlash Flood WarningSGF9 hr
May 23, 3:36 AM CDTFlash Flood WatchSGF63 hr
May 23, 5:07 AM CDTMesoscale DiscussionSPC113 min
May 23, 5:41 AM CDTMesoscale DiscussionSPC94 min
May 23, 6:08 AM CDTSevere Thunderstorm WatchSPC7 hr
May 23, 7:38 AM CDTMesoscale DiscussionSPC97 min
May 23, 8:15 AM CDTSevere Thunderstorm WarningSGF45 min
May 23, 8:56 AM CDTSevere Thunderstorm WarningSGF49 min
May 23, 9:38 AM CDTFlash Flood WarningSGF8 hr
May 23, 10:34 AM CDTMesoscale DiscussionSPC86 min
May 23, 12:12 PM CDTMesoscale DiscussionSPC93 min
May 23, 1:58 PM CDTSevere Thunderstorm WarningSGF47 min
May 23, 2:28 PM CDTSevere Thunderstorm WarningSGF62 min
May 23, 3:26 PM CDTSevere Thunderstorm WarningSGF47 min
May 23, 4:16 PM CDTSevere Thunderstorm WarningSGF43 min
May 23, 5:51 PM CDTFlash Flood WarningSGF16 hr
May 23, 8:31 PM CDTRiver Flood WarningSGF30 hr
May 24, 10:00 AM CDTAreal Flood WarningSGF24 hr
May 24, 7:26 PM CDTTornado WatchSPC7 hr
May 24, 9:15 PM CDTSevere Thunderstorm WarningSGF45 min
May 24, 9:19 PM CDTTornado WarningSGF41 min
May 24, 9:42 PM CDTSevere Thunderstorm WarningSGF63 min
May 24, 9:56 PM CDTSevere Thunderstorm WarningSGF49 min
May 24, 10:28 PM CDTSevere Thunderstorm WarningSGF52 min
May 27, 11:58 AM CDTSpecial Weather StatementSGF32 min
May 30, 3:30 AM CDTWind AdvisorySGF16 hr
Jun 1, 1:55 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 4:57 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 10, 7:47 PM CDTMesoscale DiscussionSPC58 min
Jun 14, 8:54 PM CDTMesoscale DiscussionSPC66 min
Jun 14, 9:11 PM CDTMesoscale DiscussionSPC64 min
Jun 14, 11:26 PM CDTSpecial Weather StatementSGF34 min
Jun 16, 12:26 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 16, 5:17 PM CDTMesoscale DiscussionSPC58 min
Jun 18, 3:34 PM CDTMesoscale DiscussionSPC116 min
Jun 18, 6:03 PM CDTSevere Thunderstorm WatchSPC10 hr
Jun 18, 7:41 PM CDTMesoscale DiscussionSPC94 min
Jun 20, 9:48 AM CDTWind AdvisorySGF9 hr
Jun 20, 9:46 PM CDTSevere Thunderstorm WatchSPC9 hr
Jun 21, 12:22 AM CDTSevere Thunderstorm WarningSGF68 min
Jun 21, 3:15 AM CDTMesoscale DiscussionSPC60 min
Jun 26, 10:13 AM CDTMesoscale DiscussionSPC62 min
Jun 27, 3:54 PM CDTMesoscale DiscussionSPC2 hr
Jun 27, 7:05 PM CDTMesoscale DiscussionSPC115 min
Jun 28, 3:04 AM CDTSpecial Weather StatementSGF26 min
Jun 28, 2:19 PM CDTExcessive Heat WatchSGF38 hr
Jun 30, 3:58 AM CDTHeat AdvisorySGF63 hr
Jul 7, 1:54 PM CDTMesoscale DiscussionSPC66 min
Jul 8, 3:38 PM CDTHeat AdvisorySGF4 days
Jul 14, 3:26 PM CDTExcessive Heat WatchSGF12 hr
Jul 15, 3:08 AM CDTExcessive Heat WarningSGF14 days
Jul 18, 3:37 PM CDTHeat AdvisorySGF15 days
Jul 24, 9:21 PM CDTSevere Thunderstorm WarningSGF31 min
Jul 25, 5:20 PM CDTSevere Thunderstorm WarningSGF55 min
Jul 30, 4:17 AM CDTExcessive Heat WarningSGF9 days
Jul 30, 12:35 PM CDTMesoscale DiscussionSPC85 min
Aug 2, 4:53 PM CDTHeat AdvisorySGF6 days
Aug 3, 2:29 PM CDTMesoscale DiscussionSPC91 min
Aug 4, 2:10 AM CDTMesoscale DiscussionSPC80 min
Aug 7, 5:20 PM CDTMesoscale DiscussionSPC115 min
Aug 7, 6:07 PM CDTSevere Thunderstorm WatchSPC5 hr
Aug 7, 6:55 PM CDTSpecial Weather StatementSGF65 min
Aug 7, 8:27 PM CDTMesoscale DiscussionSPC2 hr
Aug 8, 6:46 PM CDTSevere Thunderstorm WarningSGF29 min
Aug 8, 7:14 PM CDTSevere Thunderstorm WarningSGF39 min
Aug 8, 7:34 PM CDTMesoscale DiscussionSPC116 min
Aug 8, 7:53 PM CDTSevere Thunderstorm WatchSPC7 hr
Aug 8, 7:56 PM CDTSevere Thunderstorm WarningSGF49 min
Aug 8, 8:43 PM CDTSevere Thunderstorm WarningSGF62 min
Aug 8, 10:12 PM CDTSpecial Weather StatementSGF48 min
Aug 8, 11:00 PM CDTMesoscale DiscussionSPC2 hr
Aug 18, 4:37 AM CDTSevere Thunderstorm WarningSGF53 min
Aug 18, 11:46 PM CDTMesoscale DiscussionSPC59 min
Aug 19, 12:02 AM CDTSevere Thunderstorm WatchSPC5 hr
Aug 19, 1:38 AM CDTMesoscale DiscussionSPC67 min
Aug 20, 3:56 PM CDTMesoscale DiscussionSPC64 min
Aug 23, 4:15 AM CDTHeat AdvisorySGF39 hr
Sep 18, 2:45 PM CDTMesoscale DiscussionSPC2 hr
Sep 18, 3:30 PM CDTSevere Thunderstorm WatchSPC8 hr
Sep 18, 6:48 PM CDTMesoscale DiscussionSPC57 min
Sep 22, 11:53 PM CDTDense Fog AdvisorySGF10 hr
Oct 6, 3:36 AM CDTRed Flag WarningSGF15 hr
Oct 12, 3:46 PM CDTMesoscale DiscussionSPC59 min
Oct 14, 3:45 PM CDTFire Weather WatchSGF36 hr
Oct 17, 5:23 PM CDTMesoscale DiscussionSPC2 hr
Oct 17, 9:45 PM CDTSpecial Weather StatementSGF60 min
Oct 18, 3:52 PM CDTFreeze WatchSGF12 hr
Oct 19, 3:50 AM CDTFreeze WarningSGF29 hr
Oct 20, 4:10 AM CDTFrost AdvisorySGF29 hr
Oct 20, 1:37 PM CDTFreeze WarningSGF19 hr
Oct 27, 3:45 AM CDTFrost AdvisorySGF29 hr
Oct 28, 3:39 AM CDTFreeze WarningSGF29 hr
Nov 2, 6:46 PM CDTWind AdvisorySGF12 hr
Nov 3, 3:09 PM CDTFreeze WarningSGF17 hr
Nov 7, 4:23 AM CSTAreal Flood AdvisorySGF5 hr
Nov 8, 3:51 PM CSTAreal Flood WarningSGF11 hr
Nov 9, 2:25 PM CSTFreeze WarningSGF18 hr
Nov 11, 3:24 PM CSTWind AdvisorySGF27 hr
Nov 17, 3:17 PM CSTRed Flag WarningSGF27 hr
Nov 18, 3:44 AM CSTWind AdvisorySGF13 hr
Nov 19, 10:33 AM CSTWind AdvisorySGF5 hr
Nov 20, 3:34 PM CSTFlash Flood WatchSGF36 hr
Nov 20, 4:35 PM CSTDense Fog AdvisorySGF21 hr
Dec 10, 4:10 AM CSTFreezing Fog AdvisorySGF5 hr
Dec 31, 3:45 AM CSTRed Flag WarningSGF14 hr
Dec 31, 11:41 AM CSTWind AdvisorySGF15 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.