Weather alerts in Cuyahoga County, Ohio, 2017

146 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cuyahoga County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Alerts: 146
Warnings: 28
Watches: 11
Advisories: 32
Busiest month: January26 alerts
Busiest day: March 1, 20178 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 2 tornado warnings covering Cuyahoga County in 2017 had a tornado report inside them.

Cuyahoga County, 2017

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
Tornado warnings	2	0	100%	0
Severe thunderstorm warnings	11	9	18%	15	60%	25 min
Flash flood warnings	1	0	100%	0

Each office's whole area, 2017

	Warnings	With a report	False alarm ratio	Reports	Inside a warning	Mean lead time
NWS Cleveland, OH: tornado warnings	15	5	67%	24	50%	10 min
NWS Cleveland, OH: severe thunderstorm warnings	148	107	28%	281	76%	22 min
NWS Cleveland, OH: flash flood warnings	17	8	53%	16	100%	50 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 4, 2:28 AM EST	Wind Advisory	CLE	20 hr
Jan 4, 2:32 AM EST	Lake Effect Snow Advisory	CLE	3 days
Jan 5, 11:05 PM EST	Special Weather Statement	CLE	3 hr
Jan 6, 3:20 AM EST	Wind Chill Advisory	CLE	7 hr
Jan 7, 12:16 PM EST	Lake Effect Snow Advisory	CLE	28 hr
Jan 7, 8:13 PM EST	Special Weather Statement	CLE	2 hr
Jan 7, 10:14 PM EST	Special Weather Statement	CLE	2 hr
Jan 8, 12:11 AM EST	Special Weather Statement	CLE	2 hr
Jan 9, 12:52 PM EST	Winter Weather Advisory	CLE	24 hr
Jan 9, 2:59 PM EST	Wind Advisory	CLE	33 hr
Jan 10, 5:58 PM EST	High Wind Warning	CLE	10 hr
Jan 10, 10:21 PM EST	Special Weather Statement	CLE	54 min
Jan 11, 3:39 PM EST	Flood Watch	CLE	26 hr
Jan 12, 8:34 AM EST	Areal Flood Warning	CLE	9 hr
Jan 12, 9:28 AM EST	River Flood Warning	CLE	26 hr
Jan 12, 5:30 PM EST	Areal Flood Advisory	CLE	18 hr
Jan 20, 9:10 PM EST	Dense Fog Advisory	CLE	8 hr
Jan 29, 8:00 AM EST	Special Weather Statement	CLE	90 min
Jan 29, 12:46 PM EST	Special Weather Statement	CLE	89 min
Jan 29, 1:14 PM EST	Lake Effect Snow Advisory	CLE	24 hr
Jan 29, 7:41 PM EST	Lake Effect Snow Warning	CLE	17 hr
Jan 29, 8:37 PM EST	Special Weather Statement	CLE	53 min
Jan 29, 9:44 PM EST	Special Weather Statement	CLE	2 hr
Jan 30, 12:00 AM EST	Special Weather Statement	CLE	105 min
Jan 30, 2:31 AM EST	Special Weather Statement	CLE	119 min
Jan 30, 2:40 PM EST	Winter Weather Advisory	CLE	21 hr
Feb 7, 11:04 AM EST	River Flood Warning	CLE	10 hr
Feb 7, 11:37 AM EST	Areal Flood Warning	CLE	12 hr
Feb 12, 3:53 AM EST	Wind Advisory	CLE	21 hr
Feb 24, 6:36 PM EST	Severe Thunderstorm Watch	SPC	6 hr
Feb 24, 8:49 PM EST	Mesoscale Discussion	SPC	116 min
Feb 24, 10:35 PM EST	Special Weather Statement	CLE	55 min
Mar 1, 1:15 AM EST	Severe Thunderstorm Warning	CLE	60 min
Mar 1, 2:10 AM EST	Severe Thunderstorm Warning	CLE	80 min
Mar 1, 2:19 AM EST	Mesoscale Discussion	SPC	86 min
Mar 1, 2:51 AM EST	Wind Advisory	CLE	25 hr
Mar 1, 3:24 AM EST	Severe Thunderstorm Watch	SPC	4 hr
Mar 1, 5:09 AM EST	Severe Thunderstorm Warning	CLE	66 min
Mar 1, 5:36 AM EST	Tornado Warning	CLE	24 min
Mar 1, 4:17 PM EST	Severe Thunderstorm Warning	CLE	58 min
Mar 2, 9:02 PM EST	Special Weather Statement	CLE	88 min
Mar 2, 10:24 PM EST	Lake Effect Snow Advisory	CLE	16 hr
Mar 2, 11:45 PM EST	Lake Effect Snow Warning	CLE	15 hr
Mar 3, 6:08 AM EST	Special Weather Statement	CLE	97 min
Mar 3, 7:37 AM EST	Special Weather Statement	CLE	68 min
Mar 7, 12:01 PM EST	High Wind Watch	CLE	14 hr
Mar 7, 12:01 PM EST	Wind Advisory	CLE	33 hr
Mar 7, 9:53 PM EST	High Wind Warning	CLE	21 hr
Mar 12, 4:04 AM EDT	Winter Storm Watch	CLE	19 hr
Mar 12, 10:46 PM EDT	Winter Storm Warning	CLE	65 hr
Mar 13, 9:44 PM EDT	Special Weather Statement	CLE	91 min
Mar 14, 9:21 AM EDT	Special Weather Statement	CLE	84 min
Mar 14, 8:21 PM EDT	Special Weather Statement	CLE	114 min
Mar 17, 2:18 PM EDT	Special Weather Statement	CLE	72 min
Mar 17, 2:23 PM EDT	Special Weather Statement	CLE	67 min
Mar 22, 9:50 AM EDT	Special Weather Statement	CLE	10 min
Mar 30, 10:49 PM EDT	Severe Thunderstorm Warning	CLE	30 min
Mar 31, 2:55 PM EDT	Special Weather Statement	CLE	35 min
Apr 4, 11:19 AM EDT	Wind Advisory	CLE	8 hr
Apr 6, 3:33 AM EDT	Wind Advisory	CLE	24 hr
Apr 6, 1:53 PM EDT	Winter Weather Advisory	CLE	21 hr
Apr 19, 2:50 PM EDT	Mesoscale Discussion	SPC	115 min
Apr 19, 4:51 PM EDT	Special Weather Statement	CLE	24 min
Apr 19, 6:02 PM EDT	Areal Flood Advisory	CLE	3 hr
Apr 19, 7:17 PM EDT	Special Weather Statement	CLE	58 min
Apr 20, 2:40 PM EDT	Mesoscale Discussion	SPC	65 min
Apr 27, 3:28 PM EDT	Mesoscale Discussion	SPC	2 hr
Apr 27, 4:16 PM EDT	Special Weather Statement	CLE	29 min
Apr 27, 4:58 PM EDT	Special Weather Statement	CLE	47 min
May 1, 12:04 PM EDT	Special Weather Statement	CLE	26 min
May 2, 3:12 AM EDT	Wind Advisory	CLE	15 hr
May 7, 2:10 PM EDT	Frost Advisory	CLE	19 hr
May 8, 3:32 AM EDT	Frost Advisory	CLE	29 hr
May 19, 4:08 PM EDT	Beach Hazards Statement	CLE	32 hr
May 22, 9:01 AM EDT	Beach Hazards Statement	CLE	11 hr
May 28, 1:56 PM EDT	Severe Thunderstorm Watch	SPC	6 hr
May 28, 4:09 PM EDT	Mesoscale Discussion	SPC	66 min
May 28, 5:46 PM EDT	Special Weather Statement	CLE	59 min
May 28, 5:46 PM EDT	Mesoscale Discussion	SPC	59 min
May 28, 6:16 PM EDT	Severe Thunderstorm Warning	CLE	33 min
May 28, 7:35 PM EDT	Areal Flood Warning	CLE	6 hr
May 28, 7:39 PM EDT	Mesoscale Discussion	SPC	96 min
May 28, 11:20 PM EDT	River Flood Warning	CLE	10 hr
May 29, 11:40 PM EDT	Severe Thunderstorm Warning	CLE	50 min
Jun 6, 3:06 PM EDT	Beach Hazards Statement	CLE	30 hr
Jun 18, 12:31 PM EDT	Mesoscale Discussion	SPC	119 min
Jun 18, 12:57 PM EDT	Special Weather Statement	CLE	18 min
Jun 19, 4:58 PM EDT	Severe Thunderstorm Warning	CLE	31 min
Jun 20, 4:26 AM EDT	Beach Hazards Statement	CLE	17 hr
Jun 22, 1:18 PM EDT	Mesoscale Discussion	SPC	2 hr
Jun 24, 4:44 PM EDT	Beach Hazards Statement	CLE	5 hr
Jun 25, 3:58 AM EDT	Beach Hazards Statement	CLE	18 hr
Jun 26, 3:12 AM EDT	Beach Hazards Statement	CLE	43 hr
Jun 30, 4:09 PM EDT	Special Weather Statement	CLE	51 min
Jun 30, 4:36 PM EDT	Areal Flood Advisory	CLE	3 hr
Jun 30, 4:51 PM EDT	Special Weather Statement	CLE	54 min
Jun 30, 5:33 PM EDT	Flash Flood Watch	CLE	6 hr
Jun 30, 6:28 PM EDT	Flash Flood Warning	CLE	6 hr
Jul 7, 7:08 AM EDT	Severe Thunderstorm Warning	CLE	59 min
Jul 7, 9:45 PM EDT	Beach Hazards Statement	CLE	18 hr
Jul 10, 1:14 PM EDT	Special Weather Statement	CLE	61 min
Jul 10, 1:40 PM EDT	Areal Flood Advisory	CLE	3 hr
Jul 12, 3:18 PM EDT	Flash Flood Watch	CLE	37 hr
Jul 15, 9:55 AM EDT	Beach Hazards Statement	CLE	6 hr
Jul 24, 4:01 AM EDT	Beach Hazards Statement	CLE	30 hr
Jul 28, 4:14 AM EDT	Beach Hazards Statement	CLE	39 hr
Aug 2, 5:48 PM EDT	Special Weather Statement	CLE	57 min
Aug 2, 6:12 PM EDT	Areal Flood Advisory	CLE	3 hr
Aug 4, 3:55 AM EDT	Beach Hazards Statement	CLE	47 hr
Aug 4, 7:41 AM EDT	Special Weather Statement	CLE	64 min
Aug 4, 11:38 AM EDT	Mesoscale Discussion	SPC	2 hr
Aug 4, 1:25 PM EDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 11, 6:10 PM EDT	Areal Flood Advisory	CLE	2 hr
Aug 18, 4:09 AM EDT	Beach Hazards Statement	CLE	18 hr
Aug 21, 3:26 PM EDT	Beach Hazards Statement	CLE	54 hr
Aug 22, 10:00 AM EDT	Special Weather Statement	CLE	60 min
Aug 22, 1:18 PM EDT	Special Weather Statement	CLE	57 min
Aug 30, 3:40 PM EDT	Beach Hazards Statement	CLE	68 hr
Sep 4, 6:50 PM EDT	Mesoscale Discussion	SPC	115 min
Sep 4, 10:26 PM EDT	Mesoscale Discussion	SPC	64 min
Sep 7, 4:26 AM EDT	Beach Hazards Statement	CLE	35 hr
Sep 9, 3:54 AM EDT	Beach Hazards Statement	CLE	12 hr
Sep 28, 9:09 AM EDT	Beach Hazards Statement	CLE	6 hr
Sep 29, 3:59 AM EDT	Beach Hazards Statement	CLE	35 hr
Oct 10, 1:53 AM EDT	Dense Fog Advisory	CLE	8 hr
Nov 5, 2:08 AM EST	Flash Flood Watch	CLE	25 hr
Nov 5, 11:29 AM EST	Mesoscale Discussion	SPC	91 min
Nov 5, 12:08 PM EST	Tornado Watch	SPC	7 hr
Nov 5, 5:31 PM EST	Severe Thunderstorm Warning	CLE	43 min
Nov 5, 5:48 PM EST	Areal Flood Warning	CLE	3 hr
Nov 5, 5:51 PM EST	Tornado Warning	CLE	14 min
Nov 5, 6:03 PM EST	Severe Thunderstorm Warning	CLE	18 min
Nov 17, 2:45 PM EST	Wind Advisory	CLE	42 hr
Nov 18, 4:36 PM EST	Areal Flood Warning	CLE	12 hr
Dec 11, 1:42 PM EST	Winter Weather Advisory	CLE	65 hr
Dec 13, 3:08 PM EST	Winter Storm Warning	CLE	16 hr
Dec 23, 3:24 PM EST	Winter Weather Advisory	CLE	48 hr
Dec 25, 3:53 PM EST	Winter Weather Advisory	CLE	48 hr
Dec 26, 3:27 AM EST	Wind Chill Advisory	CLE	32 hr
Dec 26, 6:02 AM EST	Special Weather Statement	CLE	118 min
Dec 26, 8:00 AM EST	Special Weather Statement	CLE	2 hr
Dec 26, 10:04 AM EST	Special Weather Statement	CLE	116 min
Dec 26, 9:46 PM EST	Special Weather Statement	CLE	3 hr
Dec 29, 2:49 PM EST	Winter Weather Advisory	CLE	36 hr
Dec 30, 12:07 PM EST	Special Weather Statement	CLE	53 min
Dec 30, 11:23 PM EST	Special Weather Statement	CLE	112 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	11
Tornado Warning	2
Severe Thunderstorm Watch	4
Tornado Watch	1
Mesoscale Discussion	14
Special Weather Statement	42
Flooding
Areal Flood Warning	5
Flash Flood Warning	1
River Flood Warning	3
Flash Flood Watch	3
Flood Watch	1
Areal Flood Advisory	6
Winter
Lake Effect Snow Warning	2
Winter Storm Warning	2
Winter Storm Watch	1
Lake Effect Snow Advisory	4
Winter Weather Advisory	7
Cold
Frost Advisory	2
Wind Chill Advisory	2
Wind and dust
High Wind Warning	2
High Wind Watch	1
Wind Advisory	9
Fog and smoke
Dense Fog Advisory	2
Coast and beach
Beach Hazards Statement	19

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2016 2018

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.