Alert archive / Washington / Columbia County

Weather alerts in Columbia County, Washington, 2008

86 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Columbia County and its neighbors

Each county as a circle sized by its count in 2008. Tap one for its archive.

Alerts: 86
Warnings: 25
Watches: 14
Advisories: 43
Busiest month: January20 alerts
Busiest day: January 26, 20083 alerts

Over time

By month

Warning verification

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

Columbia County, 2008

	Warnings	With a report	False alarm ratio
Tornado warnings	0
Severe thunderstorm warnings	2	1	50%
Flash flood warnings	0

Each office's whole area, 2008

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Pendleton, OR: severe thunderstorm warnings	36	16	56%	36	67%	24 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, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Lasted
Jan 3, 2:46 PM PST	High Wind Watch	PDT	13 hr
Jan 3, 2:46 PM PST	High Wind Warning	PDT	31 hr
Jan 6, 2:57 PM PST	Winter Storm Watch	PDT	24 hr
Jan 7, 3:07 PM PST	Snow Advisory	PDT	37 hr
Jan 7, 3:07 PM PST	Winter Storm Warning	PDT	43 hr
Jan 10, 3:55 AM PST	Snow and Blowing Snow Advisory	PDT	31 hr
Jan 13, 2:29 PM PST	Wind Advisory	PDT	38 hr
Jan 14, 4:02 AM PST	Freezing Fog Advisory	PDT	8 hr
Jan 19, 3:53 AM PST	Snow and Blowing Snow Advisory	PDT	48 hr
Jan 19, 9:24 AM PST	Winter Storm Warning	PDT	43 hr
Jan 25, 4:09 AM PST	Winter Storm Watch	PDT	27 hr
Jan 25, 10:44 PM PST	Winter Storm Warning	PDT	53 hr
Jan 26, 5:28 AM PST	Winter Weather Advisory	PDT	25 hr
Jan 26, 3:34 PM PST	Snow and Blowing Snow Advisory	PDT	36 hr
Jan 26, 4:21 PM PST	Mesoscale Discussion	SPC	5 hr
Jan 27, 4:51 AM PST	Mesoscale Discussion	SPC	5 hr
Jan 28, 6:42 AM PST	Winter Storm Watch	PDT	8 hr
Jan 28, 3:11 PM PST	Winter Storm Warning	PDT	37 hr
Jan 30, 7:37 AM PST	Winter Storm Warning	PDT	38 hr
Jan 30, 9:00 AM PST	Snow Advisory	PDT	13 hr
Feb 1, 2:53 PM PST	Heavy Snow Warning	PDT	47 hr
Feb 1, 2:53 PM PST	Snow Advisory	PDT	47 hr
Feb 2, 4:59 AM PST	Snow and Blowing Snow Advisory	PDT	33 hr
Feb 4, 4:18 AM PST	Winter Storm Watch	PDT	16 hr
Feb 4, 7:59 PM PST	Snow and Blowing Snow Advisory	PDT	32 hr
Feb 5, 6:06 AM PST	Winter Storm Warning	PDT	22 hr
Feb 6, 4:14 AM PST	Snow and Blowing Snow Advisory	PDT	38 hr
Feb 6, 2:48 PM PST	Wind Advisory	PDT	28 hr
Feb 6, 7:08 PM PST	High Wind Warning	PDT	24 hr
Mar 3, 9:04 AM PST	Wind Advisory	PDT	19 hr
Mar 4, 2:44 AM PST	Snow Advisory	PDT	12 hr
Mar 13, 4:27 PM PDT	Heavy Snow Warning	PDT	13 hr
Mar 22, 3:24 AM PDT	Wind Advisory	PDT	25 hr
Mar 26, 8:08 PM PDT	Snow and Blowing Snow Advisory	PDT	8 hr
Mar 27, 3:55 AM PDT	Heavy Snow Warning	PDT	3 hr
Mar 27, 3:55 AM PDT	Snow Advisory	PDT	41 hr
Mar 28, 4:01 AM PDT	Winter Storm Warning	PDT	35 hr
Apr 4, 9:44 AM PDT	Snow Advisory	PDT	29 hr
Apr 18, 4:33 AM PDT	Freeze Warning	PDT	4 days
Apr 25, 2:01 PM PDT	Freeze Warning	PDT	18 hr
Apr 30, 12:26 AM PDT	Snow Advisory	PDT	9 hr
May 9, 8:20 AM PDT	Severe Thunderstorm Watch	SPC	40 min
May 31, 4:15 PM PDT	Areal Flood Advisory	PDT	3 hr
Jun 9, 2:40 PM PDT	Snow Advisory	PDT	31 hr
Jun 10, 12:05 PM PDT	Heavy Snow Warning	PDT	10 hr
Jun 27, 9:22 AM PDT	Heat Advisory	PDT	3 days
Jun 30, 4:54 PM PDT	Severe Thunderstorm Warning	PDT	66 min
Jul 3, 1:24 PM PDT	Mesoscale Discussion	SPC	3 hr
Aug 8, 12:55 PM PDT	Mesoscale Discussion	SPC	95 min
Aug 8, 1:44 PM PDT	Severe Thunderstorm Warning	PDT	61 min
Aug 14, 7:46 AM PDT	Heat Advisory	PDT	4 days
Aug 18, 4:09 PM PDT	Severe Thunderstorm Watch	SPC	7 hr
Oct 6, 2:32 PM PDT	Wind Advisory	PDT	29 hr
Oct 10, 4:36 AM PDT	Freeze Warning	PDT	29 hr
Oct 11, 2:17 PM PDT	Freeze Warning	PDT	19 hr
Nov 3, 2:26 PM PST	Winter Weather Advisory	PDT	25 hr
Nov 4, 8:35 AM PST	Wind Advisory	PDT	10 hr
Nov 9, 1:55 AM PST	Dense Fog Advisory	PDT	8 hr
Nov 10, 2:31 PM PST	High Wind Watch	PDT	24 hr
Nov 11, 2:50 PM PST	Wind Advisory	PDT	31 hr
Nov 12, 6:43 AM PST	High Wind Warning	PDT	15 hr
Nov 14, 8:47 AM PST	Air Stagnation Advisory	PDT	6 days
Nov 26, 5:16 AM PST	Dense Fog Advisory	PDT	7 hr
Nov 26, 4:36 PM PST	Dense Fog Advisory	PDT	16 hr
Nov 28, 12:16 PM PST	Air Stagnation Advisory	PDT	5 days
Nov 29, 9:57 PM PST	Dense Fog Advisory	PDT	6 hr
Nov 30, 2:53 PM PST	Dense Fog Advisory	PDT	21 hr
Dec 10, 8:55 PM PST	Winter Storm Watch	PDT	32 hr
Dec 11, 3:26 AM PST	High Wind Watch	PDT	30 hr
Dec 11, 3:14 PM PST	Winter Storm Warning	PDT	71 hr
Dec 11, 4:27 PM PST	Dense Fog Advisory	PDT	17 hr
Dec 12, 9:24 AM PST	Wind Advisory	PDT	12 hr
Dec 15, 4:57 AM PST	Winter Weather Advisory	PDT	23 hr
Dec 15, 3:09 PM PST	Winter Storm Watch	PDT	48 hr
Dec 16, 2:44 PM PST	Winter Storm Warning	PDT	54 hr
Dec 19, 3:57 AM PST	Winter Storm Watch	PDT	35 hr
Dec 20, 3:23 AM PST	Winter Storm Warning	PDT	3 days
Dec 23, 10:10 AM PST	Winter Storm Watch	PDT	11 hr
Dec 23, 10:10 AM PST	Winter Storm Warning	PDT	66 hr
Dec 23, 9:00 PM PST	Winter Weather Advisory	PDT	55 hr
Dec 26, 7:34 AM PST	Winter Storm Warning	PDT	55 hr
Dec 29, 3:51 AM PST	Winter Weather Advisory	PDT	24 hr
Dec 29, 4:16 AM PST	Wind Advisory	PDT	14 hr
Dec 29, 3:00 PM PST	Winter Storm Watch	PDT	24 hr
Dec 30, 2:51 PM PST	Winter Weather Advisory	PDT	37 hr
Dec 30, 2:55 PM PST	Wind Advisory	PDT	19 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	2
Severe Thunderstorm Watch	2
Mesoscale Discussion	4
Flooding
Areal Flood Advisory	1
Winter
Heavy Snow Warning	4
Winter Storm Warning	12
Winter Storm Watch	9
Snow Advisory	8
Snow and Blowing Snow Advisory	7
Winter Weather Advisory	6
Heat
Heat Advisory	2
Cold
Freeze Warning	4
Wind and dust
High Wind Warning	3
High Wind Watch	3
Wind Advisory	10
Fog and smoke
Air Stagnation Advisory	2
Dense Fog Advisory	6
Freezing Fog Advisory	1

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2007 2009

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.