Alert archive / Virginia / Loudoun County

Weather alerts in Loudoun County, Virginia, 2016

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

Loudoun County and its neighbors

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

Alerts: 186
Warnings: 73
Watches: 35
Advisories: 41
Busiest month: June38 alerts
Busiest day: June 21, 201614 alerts

Over time

By month

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.

Issued	Product	Office	Lasted
Jan 10, 3:29 AM EST	Wind Advisory	LWX	15 hr
Jan 12, 3:31 AM EST	Wind Advisory	LWX	20 hr
Jan 17, 3:44 AM EST	Wind Chill Advisory	LWX	56 hr
Jan 20, 10:13 AM EST	Blizzard Watch	LWX	26 hr
Jan 20, 11:14 AM EST	Winter Weather Advisory	LWX	14 hr
Jan 21, 12:09 PM EST	Blizzard Warning	LWX	60 hr
Jan 22, 12:34 PM EST	Mesoscale Discussion	SPC	5 hr
Jan 22, 9:56 PM EST	Mesoscale Discussion	SPC	5 hr
Jan 23, 4:20 AM EST	Mesoscale Discussion	SPC	5 hr
Jan 23, 8:51 AM EST	Mesoscale Discussion	SPC	4 hr
Jan 23, 6:40 PM EST	Mesoscale Discussion	SPC	4 hr
Feb 2, 10:39 AM EST	Flood Watch	LWX	40 hr
Feb 3, 7:51 AM EST	River Flood Watch	LWX	24 hr
Feb 3, 7:51 AM EST	River Flood Watch	LWX	24 hr
Feb 3, 7:51 AM EST	River Flood Watch	LWX	30 hr
Feb 3, 2:59 PM EST	River Flood Warning	LWX	66 hr
Feb 3, 2:59 PM EST	River Flood Warning	LWX	3 days
Feb 3, 3:44 PM EST	Areal Flood Warning	LWX	17 hr
Feb 3, 4:20 PM EST	River Flood Warning	LWX	24 hr
Feb 3, 8:13 PM EST	Dense Fog Advisory	LWX	10 hr
Feb 7, 8:22 PM EST	Winter Weather Advisory	LWX	4 days
Feb 12, 11:37 AM EST	Winter Weather Advisory	LWX	27 hr
Feb 12, 1:12 PM EST	Wind Chill Advisory	LWX	43 hr
Feb 12, 1:13 PM EST	Wind Advisory	LWX	23 hr
Feb 13, 3:06 PM EST	Winter Storm Watch	LWX	23 hr
Feb 14, 3:44 AM EST	Winter Storm Warning	LWX	56 hr
Feb 14, 2:13 PM EST	Winter Weather Advisory	LWX	41 hr
Feb 15, 11:00 AM EST	River Flood Watch	LWX	24 hr
Feb 15, 11:00 AM EST	River Flood Watch	LWX	24 hr
Feb 15, 1:46 PM EST	Mesoscale Discussion	SPC	5 hr
Feb 15, 3:06 PM EST	Flood Watch	LWX	24 hr
Feb 15, 8:29 PM EST	Mesoscale Discussion	SPC	5 hr
Feb 21, 5:20 AM EST	Flash Flood Watch	LWX	7 hr
Feb 23, 3:21 PM EST	Flood Watch	LWX	33 hr
Feb 24, 3:06 PM EST	Mesoscale Discussion	SPC	54 min
Feb 24, 3:20 PM EST	Tornado Watch	SPC	8 hr
Feb 24, 4:51 PM EST	Severe Thunderstorm Warning	LWX	39 min
Feb 24, 5:01 PM EST	Flash Flood Warning	LWX	3 hr
Feb 24, 5:46 PM EST	Severe Thunderstorm Warning	LWX	59 min
Feb 24, 7:19 PM EST	Areal Flood Warning	LWX	6 hr
Mar 3, 3:31 AM EST	Winter Weather Advisory	LWX	29 hr
Mar 16, 1:16 AM EDT	Dense Fog Advisory	LWX	8 hr
Mar 23, 9:26 PM EDT	Fire Weather Watch	LWX	7 hr
Mar 24, 3:58 AM EDT	Red Flag Warning	LWX	16 hr
Mar 28, 3:57 AM EDT	Wind Advisory	LWX	17 hr
Apr 1, 1:46 PM EDT	Mesoscale Discussion	SPC	119 min
Apr 1, 2:29 PM EDT	Freeze Watch	LWX	14 hr
Apr 1, 2:29 PM EDT	High Wind Watch	LWX	14 hr
Apr 1, 4:49 PM EDT	Severe Thunderstorm Warning	LWX	14 min
Apr 2, 4:10 AM EDT	Freeze Warning	LWX	29 hr
Apr 2, 4:10 AM EDT	High Wind Warning	LWX	28 hr
Apr 2, 4:10 AM EDT	Wind Advisory	LWX	26 hr
Apr 2, 9:10 PM EDT	Special Weather Statement	LWX	2 hr
Apr 3, 5:49 AM EDT	Wind Advisory	LWX	5 hr
Apr 3, 2:39 PM EDT	Frost Advisory	LWX	17 hr
Apr 3, 2:39 PM EDT	Freeze Watch	LWX	25 hr
Apr 4, 4:04 AM EDT	Freeze Warning	LWX	30 hr
Apr 4, 4:43 AM EDT	Freeze Watch	LWX	23 hr
Apr 5, 4:09 AM EDT	Freeze Warning	LWX	29 hr
Apr 8, 4:08 AM EDT	Freeze Watch	LWX	23 hr
Apr 8, 4:08 AM EDT	Freeze Warning	LWX	24 hr
Apr 8, 9:27 PM EDT	Wind Advisory	LWX	23 hr
Apr 9, 3:30 AM EDT	Freeze Warning	LWX	31 hr
Apr 12, 1:46 PM EDT	Frost Advisory	LWX	19 hr
Apr 13, 1:26 PM EDT	Frost Advisory	LWX	20 hr
Apr 13, 9:21 PM EDT	Freeze Warning	LWX	12 hr
Apr 14, 1:27 PM EDT	Frost Advisory	LWX	20 hr
Apr 19, 3:17 AM EDT	Red Flag Warning	LWX	17 hr
May 2, 5:42 AM EDT	Dense Fog Advisory	LWX	2 hr
May 2, 2:17 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
May 15, 2:37 PM EDT	Frost Advisory	LWX	18 hr
Jun 3, 3:02 PM EDT	Mesoscale Discussion	SPC	2 hr
Jun 4, 1:33 PM EDT	Mesoscale Discussion	SPC	117 min
Jun 5, 1:14 PM EDT	Mesoscale Discussion	SPC	91 min
Jun 5, 2:40 PM EDT	Severe Thunderstorm Warning	LWX	53 min
Jun 5, 3:12 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 16, 4:04 AM EDT	Flash Flood Watch	LWX	23 hr
Jun 16, 11:27 AM EDT	Mesoscale Discussion	SPC	63 min
Jun 16, 1:08 PM EDT	Mesoscale Discussion	SPC	97 min
Jun 16, 1:58 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 16, 4:06 PM EDT	Severe Thunderstorm Warning	LWX	39 min
Jun 16, 4:20 PM EDT	Mesoscale Discussion	SPC	55 min
Jun 16, 4:50 PM EDT	Severe Thunderstorm Warning	LWX	22 min
Jun 16, 5:47 PM EDT	Severe Thunderstorm Warning	LWX	43 min
Jun 16, 5:50 PM EDT	Tornado Warning	LWX	12 min
Jun 16, 6:05 PM EDT	Tornado Warning	LWX	40 min
Jun 16, 6:37 PM EDT	Severe Thunderstorm Warning	LWX	38 min
Jun 16, 6:54 PM EDT	Mesoscale Discussion	SPC	96 min
Jun 16, 7:39 PM EDT	Severe Thunderstorm Warning	LWX	66 min
Jun 16, 8:20 PM EDT	Severe Thunderstorm Warning	LWX	40 min
Jun 21, 12:00 PM EDT	Mesoscale Discussion	SPC	90 min
Jun 21, 1:06 PM EDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 21, 1:12 PM EDT	Severe Thunderstorm Warning	LWX	48 min
Jun 21, 1:51 PM EDT	Severe Thunderstorm Warning	LWX	39 min
Jun 21, 2:05 PM EDT	Severe Thunderstorm Warning	LWX	20 min
Jun 21, 2:54 PM EDT	Severe Thunderstorm Warning	LWX	34 min
Jun 21, 3:27 PM EDT	Severe Thunderstorm Warning	LWX	48 min
Jun 21, 4:31 PM EDT	Severe Thunderstorm Warning	LWX	29 min
Jun 21, 4:43 PM EDT	Severe Thunderstorm Warning	LWX	36 min
Jun 21, 4:53 PM EDT	Severe Thunderstorm Warning	LWX	52 min
Jun 21, 4:57 PM EDT	Severe Thunderstorm Warning	LWX	48 min
Jun 21, 5:32 PM EDT	Flash Flood Warning	LWX	3 hr
Jun 21, 6:11 PM EDT	Severe Thunderstorm Warning	LWX	49 min
Jun 21, 6:30 PM EDT	Mesoscale Discussion	SPC	90 min
Jun 21, 8:38 PM EDT	Severe Thunderstorm Warning	LWX	37 min
Jun 28, 4:09 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 28, 4:46 PM EDT	Severe Thunderstorm Warning	LWX	44 min
Jun 28, 5:25 PM EDT	Severe Thunderstorm Warning	LWX	50 min
Jun 28, 7:16 PM EDT	Mesoscale Discussion	SPC	59 min
Jul 1, 1:56 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 1, 5:43 PM EDT	Mesoscale Discussion	SPC	92 min
Jul 16, 3:06 PM EDT	Severe Thunderstorm Warning	LWX	39 min
Jul 16, 3:42 PM EDT	Severe Thunderstorm Warning	LWX	48 min
Jul 16, 4:17 PM EDT	Severe Thunderstorm Warning	LWX	43 min
Jul 18, 1:42 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 18, 2:23 PM EDT	Severe Thunderstorm Warning	LWX	52 min
Jul 18, 3:01 PM EDT	Severe Thunderstorm Warning	LWX	27 min
Jul 18, 3:09 PM EDT	Mesoscale Discussion	SPC	66 min
Jul 18, 3:27 PM EDT	Severe Thunderstorm Warning	LWX	18 min
Jul 18, 3:45 PM EDT	Severe Thunderstorm Warning	LWX	45 min
Jul 19, 11:14 PM EDT	Mesoscale Discussion	SPC	91 min
Jul 23, 3:45 AM EDT	Heat Advisory	LWX	16 hr
Jul 23, 2:34 PM EDT	Mesoscale Discussion	SPC	2 hr
Jul 24, 2:42 PM EDT	Heat Advisory	LWX	29 hr
Jul 24, 8:53 PM EDT	Severe Thunderstorm Warning	LWX	25 min
Jul 25, 3:05 PM EDT	Mesoscale Discussion	SPC	115 min
Jul 25, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 25, 4:42 PM EDT	Severe Thunderstorm Warning	LWX	48 min
Jul 25, 5:02 PM EDT	Mesoscale Discussion	SPC	88 min
Jul 25, 5:16 PM EDT	Severe Thunderstorm Warning	LWX	44 min
Jul 25, 7:06 PM EDT	Mesoscale Discussion	SPC	84 min
Jul 28, 4:45 AM EDT	Flash Flood Watch	LWX	17 hr
Jul 28, 12:58 PM EDT	Mesoscale Discussion	SPC	2 hr
Jul 28, 1:27 PM EDT	Severe Thunderstorm Watch	SPC	11 hr
Jul 28, 4:10 PM EDT	Mesoscale Discussion	SPC	95 min
Jul 30, 12:11 PM EDT	Mesoscale Discussion	SPC	64 min
Jul 30, 4:02 PM EDT	Severe Thunderstorm Warning	LWX	43 min
Jul 30, 4:46 PM EDT	Severe Thunderstorm Warning	LWX	27 min
Jul 30, 7:00 PM EDT	Severe Thunderstorm Warning	LWX	45 min
Jul 30, 7:31 PM EDT	Areal Flood Warning	LWX	6 hr
Jul 31, 3:34 PM EDT	Mesoscale Discussion	SPC	116 min
Jul 31, 3:52 PM EDT	Severe Thunderstorm Warning	LWX	38 min
Aug 11, 7:22 PM EDT	Excessive Heat Watch	LWX	24 hr
Aug 11, 7:22 PM EDT	Heat Advisory	LWX	24 hr
Aug 12, 7:32 PM EDT	Excessive Heat Warning	LWX	25 hr
Aug 13, 4:37 PM EDT	Heat Advisory	LWX	26 hr
Aug 14, 6:33 PM EDT	Severe Thunderstorm Warning	LWX	27 min
Aug 14, 7:18 PM EDT	Severe Thunderstorm Warning	LWX	27 min
Aug 15, 1:58 PM EDT	Mesoscale Discussion	SPC	92 min
Aug 15, 3:19 PM EDT	Heat Advisory	LWX	27 hr
Aug 15, 4:40 PM EDT	Severe Thunderstorm Warning	LWX	50 min
Aug 15, 5:06 PM EDT	Severe Thunderstorm Warning	LWX	39 min
Aug 16, 1:40 PM EDT	Mesoscale Discussion	SPC	2 hr
Aug 16, 2:47 PM EDT	Severe Thunderstorm Warning	LWX	43 min
Aug 16, 3:20 PM EDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 16, 4:40 PM EDT	Severe Thunderstorm Warning	LWX	35 min
Aug 16, 4:55 PM EDT	Mesoscale Discussion	SPC	95 min
Aug 16, 5:04 PM EDT	Severe Thunderstorm Warning	LWX	26 min
Aug 17, 11:55 AM EDT	Flash Flood Watch	LWX	11 hr
Aug 17, 4:26 PM EDT	Mesoscale Discussion	SPC	64 min
Aug 17, 7:33 PM EDT	Severe Thunderstorm Warning	LWX	27 min
Aug 17, 7:58 PM EDT	Severe Thunderstorm Warning	LWX	32 min
Aug 21, 1:31 PM EDT	Mesoscale Discussion	SPC	119 min
Sep 7, 3:06 PM EDT	Mesoscale Discussion	SPC	2 hr
Sep 7, 4:45 PM EDT	Severe Thunderstorm Warning	LWX	30 min
Sep 20, 5:33 AM EDT	Dense Fog Advisory	LWX	4 hr
Sep 27, 5:30 PM EDT	Flash Flood Watch	LWX	58 hr
Sep 29, 1:59 AM EDT	Areal Flood Warning	LWX	6 hr
Sep 29, 2:34 AM EDT	Flash Flood Warning	LWX	5 hr
Oct 10, 1:28 PM EDT	Frost Advisory	LWX	20 hr
Oct 13, 6:11 AM EDT	Dense Fog Advisory	LWX	3 hr
Oct 14, 2:31 PM EDT	Frost Advisory	LWX	14 hr
Oct 21, 2:56 PM EDT	Wind Advisory	LWX	26 hr
Oct 25, 1:19 PM EDT	Frost Advisory	LWX	20 hr
Oct 25, 1:19 PM EDT	Freeze Warning	LWX	20 hr
Nov 19, 3:09 AM EST	Wind Advisory	LWX	17 hr
Nov 19, 2:09 PM EST	Fire Weather Watch	LWX	14 hr
Nov 19, 8:10 PM EST	Wind Advisory	LWX	44 hr
Nov 20, 3:46 AM EST	Fire Weather Watch	LWX	23 hr
Nov 20, 3:46 AM EST	Red Flag Warning	LWX	13 hr
Nov 29, 6:11 PM EST	Dense Fog Advisory	LWX	15 hr
Dec 11, 3:31 AM EST	Freezing Rain Advisory	LWX	26 hr
Dec 15, 4:04 AM EST	Wind Advisory	LWX	8 hr
Dec 16, 3:48 AM EST	Winter Weather Advisory	LWX	33 hr
Dec 24, 8:40 PM EST	Dense Fog Advisory	LWX	9 hr
Dec 26, 11:51 AM EST	Wind Advisory	LWX	22 hr

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	47
Tornado Warning	2
Severe Thunderstorm Watch	10
Tornado Watch	1
Mesoscale Discussion	36
Special Weather Statement	1
Flooding
Areal Flood Warning	4
Flash Flood Warning	3
River Flood Warning	3
Flash Flood Watch	5
Flood Watch	3
River Flood Watch	5
Winter
Blizzard Warning	1
Winter Storm Warning	1
Blizzard Watch	1
Winter Storm Watch	1
Freezing Rain Advisory	1
Winter Weather Advisory	6
Heat
Excessive Heat Warning	1
Excessive Heat Watch	1
Heat Advisory	5
Cold
Freeze Warning	7
Freeze Watch	4
Frost Advisory	8
Wind Chill Advisory	2
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	12
Fire
Red Flag Warning	3
Fire Weather Watch	3
Fog and smoke
Dense Fog Advisory	7

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2015 2017

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. Rebuilt daily.