Weather alerts in Greene County, Indiana, 2009

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

Greene County and its neighbors

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

Alerts: 153
Warnings: 73
Watches: 23
Advisories: 26
Busiest month: June31 alerts
Busiest day: May 13, 20099 alerts

Over time

By month

Warning verification

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

1 of 3 tornado warnings covering Greene County in 2009 had a tornado report inside them.

Greene County, 2009

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	3	1	67%	0
Severe thunderstorm warnings	16	11	31%	7	86%	21 min
Flash flood warnings	5	2	60%	1	100%	41 min

Each office's whole area, 2009

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Indianapolis, IN: tornado warnings	26	3	88%	7	43%	11 min
NWS Indianapolis, IN: severe thunderstorm warnings	136	70	49%	201	69%	21 min
NWS Indianapolis, IN: flash flood warnings	43	16	63%	28	82%	46 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Lasted
Jan 5, 3:20 PM EST	Winter Weather Advisory	IND	33 hr
Jan 6, 1:06 AM EST	Mesoscale Discussion	SPC	4 hr
Jan 14, 3:50 AM EST	Wind Chill Advisory	IND	3 days
Jan 25, 3:35 PM EST	Winter Storm Watch	IND	24 hr
Jan 26, 3:25 PM EST	Winter Storm Warning	IND	45 hr
Jan 27, 7:25 PM EST	Mesoscale Discussion	SPC	6 hr
Jan 28, 12:31 AM EST	Mesoscale Discussion	SPC	5 hr
Feb 3, 12:16 PM EST	Winter Weather Advisory	IND	7 hr
Feb 10, 3:42 AM EST	High Wind Watch	IND	11 hr
Feb 10, 2:37 PM EST	High Wind Warning	IND	34 hr
Feb 11, 8:02 AM EST	Areal Flood Advisory	IND	103 days
Feb 11, 9:11 AM EST	Areal Flood Warning	IND	77 days
Feb 11, 9:20 AM EST	Areal Flood Warning	IND	86 days
Feb 11, 10:46 AM EST	River Flood Warning	IND	6 days
Feb 11, 10:46 AM EST	River Flood Warning	IND	7 days
Feb 11, 10:46 AM EST	River Flood Warning	IND	7 days
Feb 11, 10:46 AM EST	River Flood Warning	IND	62 hr
Feb 11, 7:21 PM EST	Areal Flood Warning	IND	91 days
Feb 11, 10:13 PM EST	Areal Flood Advisory	IND	111 days
Feb 12, 12:56 AM EST	Wind Advisory	IND	17 hr
Mar 5, 2:10 PM EST	Wind Advisory	IND	4 hr
Mar 8, 5:13 AM EDT	Wind Advisory	IND	23 hr
Mar 8, 11:39 AM EDT	Tornado Watch	SPC	7 hr
Mar 8, 2:55 PM EDT	Tornado Warning	IND	30 min
Mar 8, 3:01 PM EDT	Severe Thunderstorm Warning	IND	44 min
Mar 8, 3:24 PM EDT	Tornado Warning	IND	19 min
Mar 8, 4:14 PM EDT	Mesoscale Discussion	SPC	91 min
Mar 10, 8:31 PM EDT	Mesoscale Discussion	SPC	119 min
Mar 18, 3:22 PM EDT	Mesoscale Discussion	SPC	113 min
Mar 24, 3:34 AM EDT	Wind Advisory	IND	19 hr
Mar 28, 6:54 PM EDT	Severe Thunderstorm Warning	IND	36 min
Apr 2, 6:27 PM EDT	Tornado Watch	SPC	3 hr
Apr 2, 11:19 PM EDT	River Flood Warning	IND	8 hr
Apr 2, 11:19 PM EDT	River Flood Warning	IND	8 hr
Apr 2, 11:19 PM EDT	River Flood Warning	IND	8 hr
Apr 3, 9:20 AM EDT	Wind Advisory	IND	6 hr
Apr 5, 11:50 AM EDT	Mesoscale Discussion	SPC	115 min
Apr 5, 12:44 PM EDT	Tornado Watch	SPC	6 hr
Apr 5, 1:54 PM EDT	Tornado Warning	IND	37 min
Apr 5, 3:02 PM EDT	Mesoscale Discussion	SPC	88 min
Apr 5, 10:30 PM EDT	Freeze Warning	IND	35 hr
Apr 6, 3:49 AM EDT	Freeze Watch	IND	35 hr
Apr 6, 4:14 AM EDT	Areal Flood Advisory	IND	71 days
Apr 6, 6:21 AM EDT	River Flood Warning	IND	25 hr
Apr 6, 6:29 AM EDT	River Flood Warning	IND	5 days
Apr 6, 6:29 AM EDT	River Flood Warning	IND	13 days
Apr 6, 6:29 AM EDT	River Flood Warning	IND	13 days
Apr 7, 3:05 PM EDT	Freeze Warning	IND	18 hr
Apr 10, 1:20 PM EDT	Freeze Watch	IND	23 hr
Apr 11, 12:45 PM EDT	Freeze Warning	IND	20 hr
Apr 13, 3:27 PM EDT	Mesoscale Discussion	SPC	63 min
Apr 13, 4:58 PM EDT	Areal Flood Advisory	IND	73 days
Apr 14, 12:12 PM EDT	River Flood Warning	IND	69 hr
Apr 27, 3:20 AM EDT	Wind Advisory	IND	11 hr
Apr 29, 6:34 AM EDT	Flash Flood Warning	IND	67 min
Apr 29, 12:40 PM EDT	River Flood Warning	IND	8 days
Apr 29, 12:40 PM EDT	River Flood Warning	IND	7 days
Apr 30, 11:35 AM EDT	River Flood Warning	IND	5 days
May 7, 3:01 AM EDT	Dense Fog Advisory	IND	5 hr
May 7, 8:04 AM EDT	Dense Fog Advisory	IND	116 min
May 7, 7:14 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
May 8, 12:46 AM EDT	Mesoscale Discussion	SPC	89 min
May 9, 1:18 PM EDT	River Flood Warning	IND	42 hr
May 13, 10:24 AM EDT	River Flood Warning	IND	6 days
May 13, 10:24 AM EDT	River Flood Warning	IND	8 days
May 13, 10:24 AM EDT	River Flood Warning	IND	8 days
May 13, 10:24 AM EDT	River Flood Warning	IND	3 days
May 13, 10:27 AM EDT	Mesoscale Discussion	SPC	63 min
May 13, 3:31 PM EDT	Flood Watch	IND	15 hr
May 13, 4:00 PM EDT	Tornado Watch	SPC	5 hr
May 13, 7:05 PM EDT	Mesoscale Discussion	SPC	85 min
May 13, 7:29 PM EDT	Areal Flood Warning	IND	3 hr
May 13, 8:56 PM EDT	Areal Flood Warning	IND	12 hr
May 13, 10:29 PM EDT	Areal Flood Warning	IND	3 hr
May 14, 12:27 AM EDT	Mesoscale Discussion	SPC	93 min
May 14, 1:42 AM EDT	Severe Thunderstorm Watch	SPC	4 hr
May 14, 2:37 AM EDT	Severe Thunderstorm Warning	IND	53 min
May 14, 3:14 AM EDT	Flash Flood Warning	IND	3 hr
May 14, 3:26 AM EDT	Severe Thunderstorm Warning	IND	49 min
May 14, 6:08 AM EDT	Areal Flood Warning	IND	3 hr
May 14, 8:45 AM EDT	Areal Flood Warning	IND	12 hr
May 15, 9:14 PM EDT	Mesoscale Discussion	SPC	2 hr
May 17, 3:49 AM EDT	Frost Advisory	IND	28 hr
May 27, 2:49 PM EDT	Mesoscale Discussion	SPC	116 min
May 30, 4:49 PM EDT	Severe Thunderstorm Watch	SPC	11 hr
May 30, 7:01 PM EDT	Mesoscale Discussion	SPC	59 min
May 30, 8:40 PM EDT	Severe Thunderstorm Warning	IND	20 min
May 30, 9:53 PM EDT	Mesoscale Discussion	SPC	67 min
Jun 2, 12:58 PM EDT	Mesoscale Discussion	SPC	92 min
Jun 2, 3:18 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 2, 4:47 PM EDT	Mesoscale Discussion	SPC	88 min
Jun 2, 7:13 PM EDT	Mesoscale Discussion	SPC	62 min
Jun 2, 9:19 PM EDT	Mesoscale Discussion	SPC	56 min
Jun 8, 9:49 AM EDT	Mesoscale Discussion	SPC	86 min
Jun 10, 4:13 PM EDT	Mesoscale Discussion	SPC	92 min
Jun 10, 9:51 PM EDT	Severe Thunderstorm Warning	IND	39 min
Jun 10, 9:58 PM EDT	Mesoscale Discussion	SPC	62 min
Jun 11, 12:06 AM EDT	Tornado Watch	SPC	5 hr
Jun 11, 10:32 AM EDT	River Flood Warning	IND	36 hr
Jun 11, 10:32 AM EDT	River Flood Warning	IND	4 days
Jun 11, 10:32 AM EDT	River Flood Warning	IND	3 days
Jun 11, 4:07 PM EDT	Mesoscale Discussion	SPC	53 min
Jun 11, 4:42 PM EDT	Mesoscale Discussion	SPC	33 min
Jun 17, 9:14 AM EDT	River Flood Warning	IND	3 days
Jun 17, 10:26 AM EDT	River Flood Warning	IND	46 hr
Jun 18, 7:09 AM EDT	Mesoscale Discussion	SPC	2 hr
Jun 18, 7:30 AM EDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 18, 7:52 AM EDT	Flash Flood Warning	IND	3 hr
Jun 18, 8:04 AM EDT	Severe Thunderstorm Warning	IND	41 min
Jun 18, 8:39 AM EDT	Severe Thunderstorm Warning	IND	51 min
Jun 18, 9:15 AM EDT	Severe Thunderstorm Warning	IND	46 min
Jun 19, 3:51 AM EDT	Heat Advisory	IND	15 hr
Jun 19, 6:59 PM EDT	Tornado Watch	SPC	8 hr
Jun 19, 9:34 PM EDT	Mesoscale Discussion	SPC	86 min
Jun 20, 1:17 AM EDT	Severe Thunderstorm Warning	IND	43 min
Jun 20, 2:25 AM EDT	Flash Flood Warning	IND	3 hr
Jun 21, 3:23 PM EDT	Mesoscale Discussion	SPC	97 min
Jun 22, 7:45 AM EDT	Flash Flood Warning	IND	3 hr
Jun 26, 11:14 AM EDT	Heat Advisory	IND	7 hr
Jul 24, 5:21 AM EDT	Dense Fog Advisory	IND	4 hr
Jul 25, 2:26 AM EDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 25, 2:52 AM EDT	Severe Thunderstorm Warning	IND	38 min
Jul 25, 3:20 AM EDT	Severe Thunderstorm Warning	IND	40 min
Jul 25, 3:32 AM EDT	Severe Thunderstorm Warning	IND	57 min
Aug 4, 5:00 AM EDT	Severe Thunderstorm Warning	IND	31 min
Aug 4, 9:24 AM EDT	Mesoscale Discussion	SPC	36 min
Aug 4, 9:41 AM EDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 4, 11:22 AM EDT	Severe Thunderstorm Warning	IND	38 min
Aug 4, 12:03 PM EDT	Severe Thunderstorm Warning	IND	42 min
Aug 4, 1:39 PM EDT	River Flood Advisory	IND	36 hr
Aug 4, 3:31 PM EDT	River Flood Warning	IND	43 hr
Aug 4, 3:31 PM EDT	River Flood Warning	IND	43 hr
Aug 4, 3:31 PM EDT	River Flood Warning	IND	43 hr
Aug 8, 3:40 PM EDT	Heat Advisory	IND	27 hr
Aug 10, 3:24 PM EDT	Mesoscale Discussion	SPC	96 min
Aug 19, 6:11 PM EDT	Tornado Watch	SPC	5 hr
Sep 9, 5:37 AM EDT	Dense Fog Advisory	IND	5 hr
Sep 26, 3:38 AM EDT	Dense Fog Advisory	IND	6 hr
Sep 28, 12:21 AM EDT	Severe Thunderstorm Watch	SPC	3 hr
Oct 7, 2:52 PM EDT	Flood Watch	IND	47 hr
Oct 8, 11:00 AM EDT	River Flood Warning	IND	24 hr
Oct 8, 11:00 AM EDT	River Flood Warning	IND	48 hr
Oct 8, 11:00 AM EDT	River Flood Warning	IND	48 hr
Oct 16, 3:44 PM EDT	Freeze Watch	IND	23 hr
Oct 17, 3:05 PM EDT	Frost Advisory	IND	17 hr
Oct 29, 4:45 PM EDT	River Flood Warning	IND	19 hr
Nov 20, 6:34 AM EST	Dense Fog Advisory	IND	4 hr
Dec 7, 3:15 PM EST	High Wind Watch	IND	24 hr
Dec 8, 3:04 PM EST	Wind Advisory	IND	30 hr
Dec 13, 7:20 PM EST	River Flood Warning	IND	63 hr
Dec 13, 7:20 PM EST	River Flood Warning	IND	58 hr
Dec 24, 9:45 AM EST	River Flood Warning	IND	26 hr
Dec 24, 9:45 AM EST	River Flood Warning	IND	26 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	16
Tornado Warning	3
Severe Thunderstorm Watch	8
Tornado Watch	7
Mesoscale Discussion	31
Flooding
Areal Flood Warning	8
Flash Flood Warning	5
River Flood Warning	36
Flood Watch	2
Areal Flood Advisory	4
River Flood Advisory	1
Winter
Winter Storm Warning	1
Winter Storm Watch	1
Winter Weather Advisory	2
Heat
Heat Advisory	3
Cold
Freeze Warning	3
Freeze Watch	3
Frost Advisory	2
Wind Chill Advisory	1
Wind and dust
High Wind Warning	1
High Wind Watch	2
Wind Advisory	7
Fog and smoke
Dense Fog Advisory	6

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.