Alert archive / New York / St. Lawrence County
Weather alerts in St. Lawrence County, New York, 2014
86 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
St. Lawrence County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 86
- Warnings
- 17
- Watches
- 12
- Advisories
- 30
- Busiest month
- January18 alerts
- Busiest day
- July 8, 20144 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
St. Lawrence County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 2 | 33% | 8 | 88% | 57 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Burlington, VT: tornado warnings | 3 | 0 | 100% | 0 | ||
| NWS Burlington, VT: severe thunderstorm warnings | 25 | 20 | 20% | 77 | 83% | 37 min |
| NWS Burlington, VT: flash flood warnings | 6 | 2 | 67% | 8 | 88% | 44 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 1, 3:06 PM EST | Wind Chill Advisory | BTV | 49 hr |
| Jan 2, 12:19 PM EST | Wind Chill Warning | BTV | 27 hr |
| Jan 4, 3:15 PM EST | Winter Weather Advisory | BTV | 43 hr |
| Jan 6, 3:31 AM EST | Wind Advisory | BTV | 11 hr |
| Jan 6, 3:01 PM EST | Wind Chill Advisory | BTV | 20 hr |
| Jan 6, 8:46 PM EST | Lake Effect Snow Advisory | BTV | 34 hr |
| Jan 10, 3:38 AM EST | Flood Watch | BTV | 64 hr |
| Jan 10, 3:26 PM EST | Freezing Rain Advisory | BTV | 22 hr |
| Jan 20, 3:23 AM EST | Wind Chill Advisory | BTV | 32 hr |
| Jan 21, 2:37 PM EST | Wind Chill Warning | BTV | 21 hr |
| Jan 24, 2:44 PM EST | Winter Weather Advisory | BTV | 24 hr |
| Jan 25, 3:04 PM EST | Wind Chill Warning | BTV | 21 hr |
| Jan 25, 3:04 PM EST | Wind Chill Advisory | BTV | 21 hr |
| Jan 27, 2:56 PM EST | Lake Effect Snow Advisory | BTV | 36 hr |
| Jan 27, 2:56 PM EST | Wind Chill Warning | BTV | 18 hr |
| Jan 27, 2:56 PM EST | Wind Chill Advisory | BTV | 18 hr |
| Jan 28, 3:27 PM EST | Wind Chill Advisory | BTV | 17 hr |
| Jan 31, 3:30 PM EST | Winter Weather Advisory | BTV | 36 hr |
| Feb 3, 3:20 AM EST | Winter Storm Watch | BTV | 24 hr |
| Feb 4, 3:27 AM EST | Winter Storm Warning | BTV | 40 hr |
| Feb 4, 3:27 AM EST | Winter Weather Advisory | BTV | 40 hr |
| Feb 5, 11:35 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 12, 3:38 AM EST | Winter Storm Warning | BTV | 57 hr |
| Feb 12, 2:48 PM EST | Winter Weather Advisory | BTV | 24 hr |
| Feb 20, 3:48 AM EST | Winter Weather Advisory | BTV | 30 hr |
| Feb 27, 2:40 PM EST | Wind Chill Advisory | BTV | 19 hr |
| Mar 10, 4:17 AM EDT | Winter Storm Watch | BTV | 24 hr |
| Mar 10, 3:35 PM EDT | Winter Storm Warning | BTV | 69 hr |
| Mar 12, 12:52 PM EDT | Mesoscale Discussion | SPC | 5 hr |
| Mar 21, 1:45 PM EDT | Winter Weather Advisory | BTV | 26 hr |
| Mar 28, 4:36 AM EDT | Winter Storm Watch | BTV | 24 hr |
| Mar 29, 4:40 AM EDT | Winter Weather Advisory | BTV | 50 hr |
| Apr 10, 3:53 PM EDT | Areal Flood Advisory | BTV | 20 hr |
| Apr 11, 4:26 PM EDT | Flood Watch | BTV | 5 days |
| Apr 13, 9:28 PM EDT | Special Weather Statement | BTV | 77 min |
| Apr 14, 3:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 15, 8:51 AM EDT | Areal Flood Warning | BTV | 54 hr |
| May 9, 8:29 PM EDT | Special Weather Statement | BTV | 91 min |
| May 27, 3:16 PM EDT | Special Weather Statement | BTV | 59 min |
| Jun 3, 12:59 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 3, 1:10 PM EDT | Special Weather Statement | BTV | 65 min |
| Jun 3, 2:31 PM EDT | Special Weather Statement | BTV | 74 min |
| Jun 17, 7:52 PM EDT | Special Weather Statement | BTV | 53 min |
| Jun 17, 9:02 PM EDT | Special Weather Statement | BTV | 58 min |
| Jun 17, 9:38 PM EDT | Special Weather Statement | BTV | 67 min |
| Jul 1, 3:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 8, 4:33 PM EDT | Special Weather Statement | BTV | 57 min |
| Jul 8, 5:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 8, 6:27 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 8, 6:48 PM EDT | Severe Thunderstorm Warning | BTV | 87 min |
| Jul 8, 8:14 PM EDT | Severe Thunderstorm Warning | BTV | 61 min |
| Jul 15, 9:03 AM EDT | Special Weather Statement | BTV | 57 min |
| Jul 15, 10:55 AM EDT | Special Weather Statement | BTV | 65 min |
| Jul 23, 7:58 AM EDT | Special Weather Statement | BTV | 62 min |
| Jul 27, 5:01 PM EDT | Special Weather Statement | BTV | 59 min |
| Jul 27, 8:20 PM EDT | Special Weather Statement | BTV | 55 min |
| Jul 31, 2:15 PM EDT | Special Weather Statement | BTV | 60 min |
| Aug 5, 8:03 PM EDT | Special Weather Statement | BTV | 57 min |
| Aug 21, 3:00 PM EDT | Special Weather Statement | BTV | 60 min |
| Aug 21, 6:24 PM EDT | Special Weather Statement | BTV | 51 min |
| Aug 21, 7:13 PM EDT | Special Weather Statement | BTV | 47 min |
| Sep 14, 4:08 AM EDT | Frost Advisory | BTV | 28 hr |
| Sep 14, 9:54 AM EDT | Freeze Warning | BTV | 19 hr |
| Sep 17, 3:05 PM EDT | Freeze Watch | BTV | 12 hr |
| Sep 18, 3:22 AM EDT | Freeze Warning | BTV | 28 hr |
| Oct 8, 12:56 PM EDT | Special Weather Statement | BTV | 49 min |
| Nov 6, 3:59 AM EST | Winter Weather Advisory | BTV | 23 hr |
| Nov 16, 3:41 PM EST | Lake Effect Snow Watch | BTV | 13 hr |
| Nov 16, 3:41 PM EST | Winter Weather Advisory | BTV | 24 hr |
| Nov 17, 4:29 AM EST | Lake Effect Snow Warning | BTV | 47 hr |
| Nov 18, 3:43 AM EST | Wind Advisory | BTV | 17 hr |
| Nov 19, 6:15 AM EST | Lake Effect Snow Watch | BTV | 7 hr |
| Nov 19, 1:18 PM EST | Lake Effect Snow Warning | BTV | 32 hr |
| Nov 20, 9:14 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Nov 24, 9:22 AM EST | Wind Advisory | BTV | 25 hr |
| Nov 24, 7:52 PM EST | Wind Advisory | BTV | 14 hr |
| Dec 2, 3:28 AM EST | Winter Weather Advisory | BTV | 30 hr |
| Dec 7, 3:58 PM EST | Winter Storm Watch | BTV | 36 hr |
| Dec 8, 3:00 PM EST | Winter Storm Warning | BTV | 55 hr |
| Dec 9, 3:37 AM EST | Winter Weather Advisory | BTV | 51 hr |
| Dec 22, 3:37 PM EST | Winter Weather Advisory | BTV | 18 hr |
| Dec 23, 3:30 PM EST | High Wind Watch | BTV | 12 hr |
| Dec 23, 3:49 PM EST | Flood Watch | BTV | 44 hr |
| Dec 24, 3:16 AM EST | High Wind Warning | BTV | 33 hr |
| Dec 24, 3:16 AM EST | Wind Advisory | BTV | 33 hr |
| Dec 25, 12:58 AM EST | Severe Thunderstorm Warning | BTV | 62 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.