Alert archive / Idaho / Jerome County

Weather alerts in Jerome County, Idaho, 2013

86 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Jerome County and its neighbors

Each county as a circle sized by its count in 2013. Tap one for its archive.

Alerts
86
Warnings
37
Watches
12
Advisories
27
Busiest month
August23 alerts
Busiest day
September 5, 20137 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 1 tornado reports fell inside a warning.

Jerome County, 2013

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings010%
Severe thunderstorm warnings7357%367%11 min
Flash flood warnings110%0

Each office's whole area, 2013

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Boise, ID: tornado warnings020%
NWS Boise, ID: severe thunderstorm warnings331167%3358%24 min
NWS Boise, ID: flash flood warnings17476%1362%30 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Jan 8, 3:25 PM MSTWinter Weather AdvisoryBOI50 hr
Jan 10, 5:53 PM MSTBlizzard WarningBOI18 hr
Jan 23, 1:02 PM MSTWinter Weather AdvisoryBOI22 hr
Jan 26, 8:25 PM MSTWinter Weather AdvisoryBOI13 hr
Jan 27, 1:57 PM MSTWinter Weather AdvisoryBOI24 hr
Jan 27, 2:14 PM MSTWind AdvisoryBOI23 hr
Jan 28, 1:30 PM MSTWinter Weather AdvisoryBOI28 hr
Jan 29, 7:43 AM MSTWind AdvisoryBOI11 hr
Feb 6, 3:38 AM MSTDense Fog AdvisoryBOI8 hr
Feb 6, 2:48 PM MSTWinter Storm WatchBOI22 hr
Feb 7, 1:01 PM MSTWinter Storm WarningBOI38 hr
Feb 19, 3:25 AM MSTWinter Weather AdvisoryBOI32 hr
Feb 21, 12:10 PM MSTWinter Storm WatchBOI16 hr
Feb 21, 1:47 PM MSTWind AdvisoryBOI51 hr
Feb 22, 3:44 AM MSTWinter Storm WarningBOI31 hr
Mar 1, 3:21 AM MSTWind AdvisoryBOI63 hr
Mar 15, 2:21 PM MDTHigh Wind WatchBOI14 hr
Mar 16, 4:06 AM MDTHigh Wind WarningBOI32 hr
Mar 17, 12:35 PM MDTWind AdvisoryBOI5 hr
Mar 19, 2:03 PM MDTWind AdvisoryBOI45 hr
Mar 20, 4:38 PM MDTSpecial Weather StatementBOI37 min
Apr 12, 12:04 PM MDTWind AdvisoryBOI33 hr
Apr 28, 2:06 PM MDTWind AdvisoryBOI29 hr
Apr 30, 1:51 PM MDTHard Freeze WarningBOI18 hr
May 12, 12:07 PM MDTWind AdvisoryBOI35 hr
May 22, 1:25 PM MDTFrost AdvisoryBOI20 hr
Jun 18, 7:58 PM MDTBlowing Dust AdvisoryBOI3 hr
Jun 28, 1:28 PM MDTHeat AdvisoryBOI5 days
Jul 4, 2:11 PM MDTRed Flag WarningBOI31 hr
Jul 4, 7:41 PM MDTSpecial Weather StatementBOI49 min
Jul 4, 7:56 PM MDTSevere Thunderstorm WarningBOI34 min
Jul 5, 3:32 PM MDTMesoscale DiscussionSPC88 min
Jul 6, 3:17 PM MDTSevere Thunderstorm WarningBOI43 min
Jul 15, 1:16 PM MDTFire Weather WatchPIH15 hr
Jul 15, 1:58 PM MDTRed Flag WarningBOI40 hr
Jul 16, 4:07 AM MDTRed Flag WarningPIH17 hr
Jul 21, 2:18 PM MDTRed Flag WarningPIH7 hr
Jul 22, 3:51 AM MDTRed Flag WarningPIH17 hr
Jul 30, 3:06 AM MDTRed Flag WarningPIH18 hr
Jul 31, 2:14 AM MDTRed Flag WarningPIH25 hr
Jul 31, 11:43 AM MDTRed Flag WarningBOI34 hr
Jul 31, 11:42 PM MDTRed Flag WarningPIH3 hr
Aug 1, 2:57 AM MDTRed Flag WarningPIH19 hr
Aug 1, 8:49 PM MDTSpecial Weather StatementBOI56 min
Aug 4, 2:07 PM MDTFire Weather WatchPIH14 hr
Aug 5, 4:15 AM MDTRed Flag WarningPIH18 hr
Aug 7, 2:07 PM MDTRed Flag WarningPIH31 hr
Aug 8, 3:14 AM MDTFire Weather WatchPIH25 hr
Aug 18, 2:10 PM MDTFire Weather WatchBOI23 hr
Aug 18, 8:08 PM MDTFire Weather WatchPIH25 hr
Aug 19, 12:47 PM MDTRed Flag WarningBOI4 days
Aug 19, 9:13 PM MDTRed Flag WarningPIH3 days
Aug 20, 6:59 PM MDTRed Flag WarningBOI65 hr
Aug 22, 4:15 PM MDTMesoscale DiscussionSPC2 hr
Aug 24, 3:19 AM MDTRed Flag WarningPIH19 hr
Aug 24, 2:09 PM MDTMesoscale DiscussionSPC66 min
Aug 24, 2:55 PM MDTRed Flag WarningBOI8 hr
Aug 24, 3:12 PM MDTSevere Thunderstorm WarningBOI48 min
Aug 25, 3:12 AM MDTRed Flag WarningBOI18 hr
Aug 25, 3:34 AM MDTRed Flag WarningPIH19 hr
Aug 26, 3:01 AM MDTFire Weather WatchPIH11 hr
Aug 26, 8:53 AM MDTFire Weather WatchBOI23 hr
Aug 26, 2:14 PM MDTRed Flag WarningPIH55 hr
Aug 27, 8:00 AM MDTRed Flag WarningBOI37 hr
Sep 3, 2:09 PM MDTMesoscale DiscussionSPC2 hr
Sep 4, 8:50 AM MDTFlash Flood WatchBOI36 hr
Sep 4, 2:48 PM MDTMesoscale DiscussionSPC117 min
Sep 4, 6:05 PM MDTFlash Flood WarningBOI85 min
Sep 4, 6:18 PM MDTSevere Thunderstorm WarningBOI57 min
Sep 5, 1:35 PM MDTSevere Thunderstorm WatchSPC7 hr
Sep 5, 4:44 PM MDTSevere Thunderstorm WarningBOI46 min
Sep 5, 5:23 PM MDTSevere Thunderstorm WarningBOI37 min
Sep 5, 5:55 PM MDTSevere Thunderstorm WarningBOI50 min
Sep 5, 5:59 PM MDTAreal Flood AdvisoryBOI3 hr
Sep 5, 6:34 PM MDTMesoscale DiscussionSPC116 min
Sep 12, 4:27 PM MDTAreal Flood AdvisoryBOI3 hr
Sep 20, 10:09 AM MDTRed Flag WarningBOI9 hr
Sep 21, 8:00 PM MDTSpecial Weather StatementBOI60 min
Sep 27, 1:29 AM MDTDense Fog AdvisoryBOI6 hr
Oct 3, 1:33 PM MDTFreeze WarningBOI14 hr
Oct 4, 3:21 AM MDTFreeze WarningBOI30 hr
Nov 16, 3:01 AM MSTWind AdvisoryBOI14 hr
Dec 5, 3:16 PM MSTWinter Weather AdvisoryBOI56 hr
Dec 18, 10:53 PM MSTDense Fog AdvisoryBOI4 hr
Dec 19, 6:27 AM MSTDense Fog AdvisoryBOI4 hr
Dec 19, 2:58 PM MSTWinter Weather AdvisoryBOI35 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 archive20122014

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.