Alert archive / Mississippi / Perry County

Weather alerts in Perry County, Mississippi, 2019

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

Perry County and its neighbors

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

Alerts: 163
Warnings: 43
Watches: 17
Advisories: 34
Busiest month: May25 alerts
Busiest day: July 14, 201913 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 3 tornado warnings covering Perry County in 2019 had a tornado report inside them.

Perry County, 2019

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	3	0	100%	0
Severe thunderstorm warnings	19	4	79%	3	100%	11 min
Flash flood warnings	6	3	50%	5	100%	132 min

Each office's whole area, 2019

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Mobile, AL: tornado warnings	57	6	89%	16	88%	13 min
NWS Mobile, AL: severe thunderstorm warnings	174	51	71%	112	79%	22 min
NWS Mobile, AL: flash flood warnings	27	14	48%	50	96%	111 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.

Issued	Product	Office	Lasted
Jan 1, 10:56 AM CST	Areal Flood Warning	MOB	48 hr
Jan 1, 11:44 AM CST	Dense Fog Advisory	MOB	43 hr
Jan 2, 3:41 PM CST	Flash Flood Watch	MOB	36 hr
Jan 3, 9:39 PM CST	Areal Flood Advisory	MOB	3 hr
Jan 3, 10:28 PM CST	Areal Flood Advisory	MOB	3 hr
Jan 17, 10:12 PM CST	Dense Fog Advisory	MOB	12 hr
Jan 19, 5:04 AM CST	Mesoscale Discussion	SPC	116 min
Jan 19, 9:08 AM CST	Mesoscale Discussion	SPC	2 hr
Jan 19, 9:43 AM CST	Tornado Watch	SPC	7 hr
Jan 19, 10:53 AM CST	Severe Thunderstorm Warning	MOB	52 min
Jan 19, 11:20 AM CST	Severe Thunderstorm Warning	MOB	40 min
Jan 19, 11:37 AM CST	Mesoscale Discussion	SPC	83 min
Jan 22, 2:45 PM CST	Wind Advisory	MOB	29 hr
Jan 23, 7:54 AM CST	Mesoscale Discussion	SPC	2 hr
Jan 23, 10:21 AM CST	Areal Flood Advisory	MOB	3 hr
Jan 23, 11:57 AM CST	Flash Flood Warning	MOB	6 hr
Jan 23, 1:25 PM CST	Areal Flood Advisory	MOB	3 hr
Jan 23, 3:07 PM CST	River Flood Warning	MOB	4 days
Jan 23, 4:30 PM CST	Areal Flood Warning	MOB	24 hr
Jan 28, 4:23 AM CST	Winter Weather Advisory	MOB	29 hr
Feb 4, 3:46 PM CST	Dense Fog Advisory	MOB	23 hr
Feb 12, 6:40 AM CST	Mesoscale Discussion	SPC	3 hr
Feb 12, 7:02 AM CST	Special Weather Statement	MOB	28 min
Feb 20, 6:29 AM CST	Mesoscale Discussion	SPC	3 hr
Feb 20, 10:44 AM CST	Mesoscale Discussion	SPC	2 hr
Feb 21, 10:13 AM CST	River Flood Warning	MOB	21 days
Feb 28, 2:33 AM CST	Special Weather Statement	MOB	72 min
Mar 3, 11:03 AM CST	Tornado Watch	SPC	7 hr
Mar 3, 11:52 AM CST	Severe Thunderstorm Warning	MOB	38 min
Mar 3, 12:23 PM CST	Severe Thunderstorm Warning	MOB	52 min
Mar 3, 12:43 PM CST	Special Weather Statement	MOB	47 min
Mar 3, 1:20 PM CST	Mesoscale Discussion	SPC	115 min
Mar 4, 4:19 AM CST	Freeze Watch	MOB	24 hr
Mar 4, 4:19 AM CST	Freeze Warning	MOB	29 hr
Mar 5, 3:58 AM CST	Freeze Warning	MOB	29 hr
Mar 6, 2:49 AM CST	Frost Advisory	MOB	28 hr
Mar 6, 9:53 AM CST	Freeze Warning	MOB	21 hr
Apr 7, 9:39 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 7, 10:07 PM CDT	Special Weather Statement	MOB	53 min
Apr 7, 10:56 PM CDT	Special Weather Statement	MOB	49 min
Apr 11, 6:08 AM CDT	Dense Fog Advisory	MOB	3 hr
Apr 12, 3:32 PM CDT	Wind Advisory	MOB	51 hr
Apr 13, 8:25 PM CDT	Mesoscale Discussion	SPC	95 min
Apr 13, 9:33 PM CDT	Tornado Watch	SPC	8 hr
Apr 13, 11:01 PM CDT	Mesoscale Discussion	SPC	119 min
Apr 13, 11:47 PM CDT	Special Weather Statement	MOB	43 min
Apr 14, 12:18 AM CDT	Special Weather Statement	MOB	57 min
Apr 14, 10:18 AM CDT	River Flood Warning	MOB	11 days
Apr 18, 4:49 AM CDT	Wind Advisory	MOB	22 hr
Apr 18, 12:42 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 18, 1:41 PM CDT	Tornado Watch	SPC	7 hr
Apr 18, 4:52 PM CDT	Severe Thunderstorm Warning	MOB	53 min
Apr 18, 5:44 PM CDT	Severe Thunderstorm Warning	MOB	61 min
Apr 18, 8:10 PM CDT	Mesoscale Discussion	SPC	65 min
Apr 18, 8:39 PM CDT	Special Weather Statement	MOB	66 min
Apr 25, 7:10 AM CDT	Mesoscale Discussion	SPC	2 hr
Apr 25, 8:06 AM CDT	Tornado Watch	SPC	8 hr
Apr 25, 11:48 AM CDT	Mesoscale Discussion	SPC	117 min
Apr 30, 3:19 AM CDT	Dense Fog Advisory	MOB	5 hr
May 3, 6:12 AM CDT	Dense Fog Advisory	MOB	3 hr
May 4, 8:51 AM CDT	Mesoscale Discussion	SPC	84 min
May 4, 11:47 AM CDT	Special Weather Statement	MOB	43 min
May 4, 11:56 AM CDT	Severe Thunderstorm Warning	MOB	64 min
May 4, 11:58 AM CDT	Mesoscale Discussion	SPC	77 min
May 4, 12:02 PM CDT	Severe Thunderstorm Warning	MOB	58 min
May 4, 12:14 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 9, 11:22 AM CDT	Mesoscale Discussion	SPC	113 min
May 9, 11:46 AM CDT	Tornado Watch	SPC	6 hr
May 9, 1:29 PM CDT	Special Weather Statement	MOB	61 min
May 9, 1:34 PM CDT	Mesoscale Discussion	SPC	116 min
May 9, 9:09 PM CDT	River Flood Warning	MOB	10 days
May 10, 5:22 AM CDT	Flash Flood Watch	MOB	53 hr
May 10, 9:59 PM CDT	Mesoscale Discussion	SPC	2 hr
May 10, 10:07 PM CDT	Areal Flood Advisory	MOB	3 hr
May 10, 10:18 PM CDT	Severe Thunderstorm Warning	MOB	42 min
May 11, 3:39 AM CDT	Special Weather Statement	MOB	51 min
May 11, 4:29 AM CDT	Special Weather Statement	MOB	46 min
May 11, 4:56 AM CDT	Flash Flood Warning	MOB	7 hr
May 11, 11:26 AM CDT	Flash Flood Warning	MOB	6 hr
May 11, 11:31 AM CDT	Mesoscale Discussion	SPC	2 hr
May 11, 5:11 PM CDT	Flash Flood Warning	MOB	6 hr
May 11, 10:56 PM CDT	Areal Flood Warning	MOB	12 hr
May 18, 6:10 AM CDT	Dense Fog Advisory	MOB	3 hr
May 21, 6:04 AM CDT	Dense Fog Advisory	MOB	3 hr
Jun 6, 9:30 AM CDT	Mesoscale Discussion	SPC	60 min
Jun 6, 9:40 AM CDT	Tornado Watch	SPC	6 hr
Jun 6, 12:51 PM CDT	Mesoscale Discussion	SPC	84 min
Jun 7, 3:20 PM CDT	Special Weather Statement	MOB	40 min
Jun 7, 3:29 PM CDT	Severe Thunderstorm Warning	MOB	46 min
Jun 7, 3:57 PM CDT	Severe Thunderstorm Warning	MOB	37 min
Jun 7, 10:10 PM CDT	Special Weather Statement	MOB	50 min
Jun 18, 8:32 AM CDT	Special Weather Statement	MOB	43 min
Jun 18, 8:39 AM CDT	Severe Thunderstorm Warning	MOB	36 min
Jun 18, 9:20 AM CDT	Severe Thunderstorm Warning	MOB	25 min
Jun 18, 9:42 AM CDT	Areal Flood Advisory	MOB	3 hr
Jun 18, 9:42 AM CDT	Severe Thunderstorm Warning	MOB	48 min
Jun 21, 3:25 AM CDT	Heat Advisory	MOB	16 hr
Jun 23, 1:50 PM CDT	Mesoscale Discussion	SPC	115 min
Jun 25, 6:40 PM CDT	Severe Thunderstorm Warning	MOB	50 min
Jul 10, 12:32 PM CDT	Flash Flood Watch	MOB	5 days
Jul 10, 4:30 PM CDT	Severe Thunderstorm Warning	MOB	30 min
Jul 10, 4:55 PM CDT	Severe Thunderstorm Warning	MOB	50 min
Jul 14, 5:24 AM CDT	Mesoscale Discussion	SPC	66 min
Jul 14, 9:20 AM CDT	Mesoscale Discussion	SPC	2 hr
Jul 14, 9:27 AM CDT	Special Weather Statement	MOB	48 min
Jul 14, 10:48 AM CDT	Special Weather Statement	MOB	42 min
Jul 14, 11:03 AM CDT	Severe Thunderstorm Warning	MOB	27 min
Jul 14, 11:12 AM CDT	Tornado Warning	MOB	48 min
Jul 14, 12:23 PM CDT	Mesoscale Discussion	SPC	3 hr
Jul 14, 2:04 PM CDT	Special Weather Statement	MOB	41 min
Jul 14, 3:08 PM CDT	Special Weather Statement	MOB	37 min
Jul 14, 4:04 PM CDT	Special Weather Statement	MOB	86 min
Jul 14, 4:11 PM CDT	Areal Flood Advisory	MOB	3 hr
Jul 14, 4:54 PM CDT	Areal Flood Advisory	MOB	3 hr
Jul 14, 6:23 PM CDT	Mesoscale Discussion	SPC	37 min
Jul 15, 6:03 AM CDT	Areal Flood Advisory	MOB	117 min
Jul 15, 3:57 PM CDT	Special Weather Statement	MOB	48 min
Jul 20, 10:07 AM CDT	Areal Flood Advisory	MOB	3 hr
Aug 7, 8:37 PM CDT	Special Weather Statement	MOB	23 min
Aug 9, 3:03 PM CDT	Heat Advisory	MOB	4 days
Aug 13, 4:38 AM CDT	Excessive Heat Warning	MOB	14 hr
Aug 13, 4:38 AM CDT	Heat Advisory	MOB	38 hr
Aug 31, 4:44 PM CDT	Special Weather Statement	MOB	46 min
Aug 31, 5:36 PM CDT	Special Weather Statement	MOB	54 min
Sep 6, 2:41 PM CDT	Heat Advisory	MOB	52 hr
Sep 9, 1:49 PM CDT	Special Weather Statement	MOB	41 min
Oct 4, 5:04 PM CDT	Special Weather Statement	MOB	56 min
Oct 4, 6:41 PM CDT	Special Weather Statement	MOB	49 min
Oct 4, 7:03 PM CDT	Special Weather Statement	MOB	42 min
Oct 5, 5:30 PM CDT	Special Weather Statement	MOB	45 min
Oct 5, 6:12 PM CDT	Special Weather Statement	MOB	63 min
Oct 24, 3:50 PM CDT	Flash Flood Watch	MOB	43 hr
Oct 25, 9:49 AM CDT	Tornado Watch	SPC	6 hr
Oct 25, 12:06 PM CDT	Mesoscale Discussion	SPC	114 min
Oct 25, 2:21 PM CDT	Tornado Warning	MOB	39 min
Oct 25, 2:55 PM CDT	Tornado Warning	MOB	50 min
Oct 25, 3:03 PM CDT	Mesoscale Discussion	SPC	57 min
Oct 25, 3:43 PM CDT	Tornado Watch	SPC	7 hr
Oct 25, 4:41 PM CDT	Areal Flood Advisory	MOB	3 hr
Oct 25, 5:14 PM CDT	Mesoscale Discussion	SPC	91 min
Oct 25, 7:47 PM CDT	Flash Flood Warning	MOB	6 hr
Oct 25, 8:04 PM CDT	Mesoscale Discussion	SPC	86 min
Oct 25, 9:34 PM CDT	Areal Flood Advisory	MOB	3 hr
Oct 26, 2:02 AM CDT	Areal Flood Warning	MOB	6 hr
Oct 26, 3:57 AM CDT	Special Weather Statement	MOB	48 min
Oct 26, 5:56 AM CDT	Wind Advisory	MOB	7 hr
Oct 26, 11:27 AM CDT	River Flood Warning	MOB	62 hr
Oct 30, 2:19 PM CDT	Flash Flood Warning	MOB	6 hr
Oct 31, 5:28 AM CDT	Severe Thunderstorm Warning	MOB	22 min
Oct 31, 5:46 PM CDT	River Flood Warning	MOB	71 hr
Nov 7, 1:55 PM CST	Mesoscale Discussion	SPC	2 hr
Nov 11, 4:06 AM CST	Freeze Watch	MOB	10 hr
Nov 11, 2:13 PM CST	Freeze Warning	MOB	43 hr
Nov 11, 2:13 PM CST	Wind Advisory	MOB	28 hr
Nov 27, 2:15 AM CST	Mesoscale Discussion	SPC	90 min
Nov 27, 4:55 AM CST	Special Weather Statement	MOB	50 min
Dec 13, 9:28 AM CST	Dense Fog Advisory	MOB	3 hr
Dec 14, 9:09 PM CST	Dense Fog Advisory	MOB	13 hr
Dec 15, 3:33 PM CST	Dense Fog Advisory	MOB	18 hr
Dec 16, 3:47 PM CST	Tornado Watch	SPC	10 hr
Dec 16, 8:58 PM CST	Mesoscale Discussion	SPC	92 min
Dec 29, 6:47 PM CST	Special Weather Statement	MOB	58 min
Dec 29, 7:38 PM CST	Special Weather Statement	MOB	67 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	19
Tornado Warning	3
Severe Thunderstorm Watch	1
Tornado Watch	10
Mesoscale Discussion	35
Special Weather Statement	34
Flooding
Areal Flood Warning	4
Flash Flood Warning	6
River Flood Warning	6
Flash Flood Watch	4
Areal Flood Advisory	12
Winter
Winter Weather Advisory	1
Heat
Excessive Heat Warning	1
Heat Advisory	4
Cold
Freeze Warning	4
Freeze Watch	2
Frost Advisory	1
Wind and dust
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	11

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2018 2020

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.