Weather alerts in McLennan County, Texas, 2009

165 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

McLennan County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts: 165
Warnings: 31
Watches: 26
Advisories: 55
Busiest month: April29 alerts
Busiest day: October 22, 20097 alerts

Over time

By month

Warning verification

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

McLennan County, 2009

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	0			0
Severe thunderstorm warnings	15	5	67%	15	73%	19 min
Flash flood warnings	4	2	50%	1	100%	97 min

Each office's whole area, 2009

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Fort Worth, TX: tornado warnings	45	10	78%	16	69%	16 min
NWS Fort Worth, TX: severe thunderstorm warnings	511	219	57%	531	88%	27 min
NWS Fort Worth, TX: flash flood warnings	118	60	49%	128	84%	94 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 9, 3:00 PM CST	Wind Advisory	FWD	21 hr
Jan 19, 4:00 AM CST	Red Flag Warning	FWD	14 hr
Jan 19, 10:07 AM CST	Wind Advisory	FWD	5 hr
Jan 20, 3:45 AM CST	Red Flag Warning	FWD	13 hr
Jan 22, 3:48 AM CST	Red Flag Warning	FWD	16 hr
Jan 23, 8:32 PM CST	Wind Advisory	FWD	12 hr
Jan 26, 3:51 AM CST	Winter Storm Watch	FWD	24 hr
Jan 26, 5:43 PM CST	Dense Fog Advisory	FWD	6 hr
Jan 27, 3:38 AM CST	Winter Weather Advisory	FWD	26 hr
Jan 29, 5:25 AM CST	Freezing Fog Advisory	FWD	6 hr
Feb 6, 2:25 AM CST	Wind Advisory	FWD	19 hr
Feb 7, 3:37 AM CST	Wind Advisory	FWD	14 hr
Feb 8, 2:16 PM CST	Wind Advisory	FWD	17 hr
Feb 10, 10:39 AM CST	Wind Advisory	FWD	25 hr
Feb 10, 3:37 PM CST	Tornado Watch	SPC	6 hr
Feb 10, 5:25 PM CST	Mesoscale Discussion	SPC	65 min
Feb 10, 9:01 PM CST	Severe Thunderstorm Warning	FWD	59 min
Feb 10, 9:30 PM CST	Tornado Watch	SPC	7 hr
Feb 17, 4:30 AM CST	Fire Weather Watch	FWD	23 hr
Feb 17, 3:51 PM CST	Red Flag Warning	FWD	26 hr
Feb 20, 9:41 PM CST	Wind Advisory	FWD	18 hr
Feb 26, 2:02 PM CST	Fire Weather Watch	FWD	25 hr
Feb 27, 2:37 PM CST	Red Flag Warning	FWD	29 hr
Feb 27, 2:41 PM CST	Wind Advisory	FWD	29 hr
Mar 3, 3:48 AM CST	Red Flag Warning	FWD	16 hr
Mar 5, 1:25 AM CST	Wind Advisory	FWD	17 hr
Mar 7, 4:04 AM CST	Wind Advisory	FWD	14 hr
Mar 10, 10:11 PM CDT	Wind Advisory	FWD	6 hr
Mar 11, 10:14 PM CDT	Areal Flood Advisory	FWD	3 hr
Mar 22, 11:30 AM CDT	Wind Advisory	FWD	41 hr
Mar 24, 11:11 AM CDT	Special Weather Statement	FWD	34 min
Mar 25, 10:55 AM CDT	Mesoscale Discussion	SPC	65 min
Mar 25, 11:27 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 25, 1:48 PM CDT	Mesoscale Discussion	SPC	87 min
Mar 25, 3:47 PM CDT	Mesoscale Discussion	SPC	88 min
Mar 25, 4:02 PM CDT	Special Weather Statement	FWD	28 min
Mar 25, 9:06 PM CDT	Dense Fog Advisory	FWD	14 hr
Mar 27, 9:38 AM CDT	Wind Advisory	FWD	33 hr
Mar 27, 10:24 AM CDT	Mesoscale Discussion	SPC	96 min
Mar 28, 3:50 PM CDT	Freeze Warning	FWD	17 hr
Mar 30, 2:57 AM CDT	Wind Advisory	FWD	16 hr
Apr 1, 3:26 AM CDT	Wind Advisory	FWD	17 hr
Apr 1, 3:55 PM CDT	Wind Advisory	FWD	28 hr
Apr 2, 1:32 AM CDT	Mesoscale Discussion	SPC	58 min
Apr 2, 1:49 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 5, 3:48 AM CDT	Freeze Watch	FWD	23 hr
Apr 5, 3:48 AM CDT	Wind Advisory	FWD	16 hr
Apr 6, 2:20 AM CDT	Freeze Warning	FWD	31 hr
Apr 8, 3:37 AM CDT	Fire Weather Watch	FWD	11 hr
Apr 8, 2:53 PM CDT	Red Flag Warning	FWD	29 hr
Apr 8, 3:48 PM CDT	Wind Advisory	FWD	28 hr
Apr 16, 6:23 PM CDT	Special Weather Statement	FWD	37 min
Apr 16, 6:47 PM CDT	Severe Thunderstorm Warning	FWD	58 min
Apr 17, 7:48 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
Apr 17, 9:31 AM CDT	Severe Thunderstorm Warning	FWD	59 min
Apr 17, 9:56 AM CDT	Mesoscale Discussion	SPC	94 min
Apr 17, 10:24 AM CDT	Severe Thunderstorm Warning	FWD	51 min
Apr 17, 12:13 PM CDT	Special Weather Statement	FWD	32 min
Apr 17, 5:40 PM CDT	Special Weather Statement	FWD	35 min
Apr 18, 10:44 AM CDT	Areal Flood Advisory	FWD	2 hr
Apr 23, 3:38 AM CDT	Wind Advisory	FWD	16 hr
Apr 24, 12:07 PM CDT	Mesoscale Discussion	SPC	113 min
Apr 26, 4:18 AM CDT	Wind Advisory	FWD	15 hr
Apr 27, 6:08 AM CDT	Tornado Watch	SPC	7 hr
Apr 27, 7:43 AM CDT	Severe Thunderstorm Warning	FWD	62 min
Apr 27, 8:21 AM CDT	Areal Flood Advisory	FWD	3 hr
Apr 27, 8:59 AM CDT	Mesoscale Discussion	SPC	91 min
Apr 27, 9:09 AM CDT	Special Weather Statement	FWD	36 min
Apr 27, 11:32 AM CDT	Flash Flood Warning	FWD	3 hr
Apr 28, 5:03 PM CDT	Mesoscale Discussion	SPC	57 min
May 2, 1:24 PM CDT	Mesoscale Discussion	SPC	66 min
May 2, 1:56 PM CDT	Tornado Watch	SPC	4 hr
May 3, 3:02 AM CDT	Mesoscale Discussion	SPC	118 min
May 3, 4:16 AM CDT	Special Weather Statement	FWD	29 min
May 10, 5:39 AM CDT	Special Weather Statement	FWD	36 min
May 10, 6:08 AM CDT	Special Weather Statement	FWD	37 min
May 13, 11:58 AM CDT	Wind Advisory	FWD	6 hr
May 24, 5:12 PM CDT	Areal Flood Advisory	FWD	3 hr
May 26, 5:18 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 26, 7:19 PM CDT	Mesoscale Discussion	SPC	86 min
May 26, 10:08 PM CDT	Mesoscale Discussion	SPC	67 min
Jun 10, 2:13 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
Jun 11, 10:10 AM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 11, 1:10 PM CDT	Mesoscale Discussion	SPC	65 min
Jun 11, 2:32 PM CDT	Tornado Watch	SPC	7 hr
Jun 11, 5:41 PM CDT	Mesoscale Discussion	SPC	64 min
Jun 12, 3:29 PM CDT	Tornado Watch	SPC	9 hr
Jun 24, 2:22 AM CDT	Heat Advisory	FWD	5 days
Jun 29, 1:34 PM CDT	Special Weather Statement	FWD	26 min
Jun 29, 2:02 PM CDT	Areal Flood Advisory	FWD	118 min
Jun 29, 2:05 PM CDT	Special Weather Statement	FWD	25 min
Jun 29, 2:08 PM CDT	Severe Thunderstorm Warning	FWD	67 min
Jun 29, 2:17 PM CDT	Severe Thunderstorm Warning	FWD	58 min
Jul 6, 5:50 AM CDT	Special Weather Statement	FWD	55 min
Jul 9, 2:16 AM CDT	Heat Advisory	FWD	8 days
Jul 19, 2:06 PM CDT	Mesoscale Discussion	SPC	54 min
Jul 19, 2:36 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 19, 5:54 PM CDT	Mesoscale Discussion	SPC	96 min
Jul 20, 10:48 AM CDT	Mesoscale Discussion	SPC	87 min
Jul 30, 12:52 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 30, 4:04 AM CDT	Mesoscale Discussion	SPC	86 min
Jul 30, 5:57 AM CDT	Severe Thunderstorm Warning	FWD	63 min
Jul 30, 6:25 AM CDT	Severe Thunderstorm Warning	FWD	65 min
Aug 4, 2:23 AM CDT	Heat Advisory	FWD	4 days
Aug 12, 4:30 PM CDT	Special Weather Statement	FWD	30 min
Aug 12, 4:32 PM CDT	Severe Thunderstorm Warning	FWD	43 min
Aug 12, 5:06 PM CDT	Flash Flood Warning	FWD	82 min
Aug 12, 5:31 PM CDT	Special Weather Statement	FWD	29 min
Aug 23, 2:09 PM CDT	Mesoscale Discussion	SPC	96 min
Aug 23, 3:23 PM CDT	Severe Thunderstorm Warning	FWD	37 min
Aug 23, 4:30 PM CDT	Special Weather Statement	FWD	30 min
Aug 23, 4:51 PM CDT	Severe Thunderstorm Warning	FWD	39 min
Aug 26, 2:52 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 3, 3:46 PM CDT	Mesoscale Discussion	SPC	119 min
Sep 5, 4:17 PM CDT	Special Weather Statement	FWD	28 min
Sep 10, 11:11 PM CDT	Areal Flood Advisory	FWD	2 hr
Sep 11, 3:49 AM CDT	Flash Flood Watch	FWD	4 days
Sep 11, 3:50 PM CDT	Areal Flood Advisory	FWD	3 hr
Sep 12, 12:20 AM CDT	Areal Flood Advisory	FWD	3 hr
Sep 13, 6:39 AM CDT	Areal Flood Advisory	FWD	3 hr
Sep 13, 8:15 AM CDT	Flash Flood Warning	FWD	3 hr
Sep 21, 8:04 PM CDT	Mesoscale Discussion	SPC	56 min
Sep 21, 9:53 PM CDT	Severe Thunderstorm Warning	FWD	67 min
Sep 21, 10:20 PM CDT	Special Weather Statement	FWD	25 min
Oct 1, 2:17 PM CDT	Mesoscale Discussion	SPC	88 min
Oct 1, 3:50 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Oct 1, 6:02 PM CDT	Mesoscale Discussion	SPC	58 min
Oct 1, 8:33 PM CDT	Severe Thunderstorm Warning	FWD	57 min
Oct 1, 9:25 PM CDT	Severe Thunderstorm Warning	FWD	42 min
Oct 7, 3:38 AM CDT	Flash Flood Watch	FWD	60 hr
Oct 8, 10:25 AM CDT	Wind Advisory	FWD	6 hr
Oct 9, 4:22 AM CDT	Special Weather Statement	FWD	23 min
Oct 9, 10:08 AM CDT	Areal Flood Advisory	FWD	2 hr
Oct 13, 9:20 PM CDT	Dense Fog Advisory	FWD	13 hr
Oct 20, 3:51 AM CDT	Flash Flood Watch	FWD	55 hr
Oct 21, 7:11 PM CDT	Mesoscale Discussion	SPC	94 min
Oct 22, 12:43 AM CDT	Areal Flood Advisory	FWD	3 hr
Oct 22, 1:25 AM CDT	Flash Flood Warning	FWD	3 hr
Oct 22, 4:35 AM CDT	Areal Flood Advisory	FWD	3 hr
Oct 22, 4:37 AM CDT	Areal Flood Advisory	FWD	3 hr
Oct 22, 8:05 AM CDT	River Flood Warning	FWD	86 min
Oct 22, 8:46 AM CDT	Areal Flood Warning	FWD	4 hr
Oct 25, 3:40 AM CDT	Flash Flood Watch	FWD	36 hr
Oct 25, 9:44 PM CDT	Mesoscale Discussion	SPC	91 min
Oct 25, 11:40 PM CDT	Mesoscale Discussion	SPC	95 min
Oct 26, 12:41 AM CDT	Special Weather Statement	FWD	34 min
Oct 26, 1:18 AM CDT	Areal Flood Advisory	FWD	117 min
Oct 28, 4:03 AM CDT	Flash Flood Watch	FWD	37 hr
Oct 29, 3:36 AM CDT	Wind Advisory	FWD	12 hr
Oct 29, 10:48 AM CDT	Mesoscale Discussion	SPC	117 min
Oct 29, 11:51 AM CDT	Tornado Watch	SPC	6 hr
Oct 29, 1:57 PM CDT	Mesoscale Discussion	SPC	2 hr
Nov 16, 3:49 AM CST	Wind Advisory	FWD	11 hr
Nov 21, 8:24 AM CST	Areal Flood Advisory	FWD	3 hr
Nov 22, 1:46 AM CST	Dense Fog Advisory	FWD	7 hr
Nov 22, 11:20 PM CST	Dense Fog Advisory	FWD	12 hr
Dec 2, 3:59 AM CST	Freeze Warning	FWD	29 hr
Dec 3, 1:38 PM CST	Winter Weather Advisory	FWD	24 hr
Dec 12, 9:34 PM CST	Dense Fog Advisory	FWD	12 hr
Dec 23, 1:39 PM CST	Wind Advisory	FWD	38 hr
Dec 23, 7:50 PM CST	Mesoscale Discussion	SPC	85 min
Dec 23, 11:06 PM CST	Mesoscale Discussion	SPC	114 min
Dec 28, 2:00 PM CST	Winter Weather Advisory	FWD	36 hr
Dec 29, 11:19 AM CST	Special Weather Statement	FWD	26 min
Dec 31, 1:06 AM CST	Dense Fog Advisory	FWD	11 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	15
Severe Thunderstorm Watch	9
Tornado Watch	7
Mesoscale Discussion	33
Special Weather Statement	20
Flooding
Areal Flood Warning	1
Flash Flood Warning	4
River Flood Warning	1
Flash Flood Watch	5
Areal Flood Advisory	15
Winter
Winter Storm Watch	1
Winter Weather Advisory	3
Heat
Heat Advisory	3
Cold
Freeze Warning	3
Freeze Watch	1
Wind and dust
Wind Advisory	26
Fire
Red Flag Warning	7
Fire Weather Watch	3
Fog and smoke
Dense Fog Advisory	7
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 2008 2010

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.