Alert archive / Pennsylvania / Special Weather Statements / 2017
Special Weather Statements in Pennsylvania, August 2017
216 special weather statements in August 2017. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in August 2017. Tap one for its archive.
- Special Weather Statements
- 216
- Busiest day
- August 4, 201736 special weather statements
Over time
By day
Days in UTC, the clock the archive keeps.
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 | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:15 PM EDT | Special Weather Statement | PHI | Northampton | 45 min |
| Aug 1, 4:07 PM EDT | Special Weather Statement | CTP | Sullivan | 23 min |
| Aug 1, 4:43 PM EDT | Special Weather Statement | BGM | Wayne | 47 min |
| Aug 1, 6:08 PM EDT | Special Weather Statement | PHI | Philadelphia | 52 min |
| Aug 1, 6:09 PM EDT | Special Weather Statement | PHI | Carbon | 51 min |
| Aug 1, 6:20 PM EDT | Special Weather Statement | PHI | Berks | 40 min |
| Aug 1, 6:45 PM EDT | Special Weather Statement | CTP | Potter | 60 min |
| Aug 1, 6:52 PM EDT | Special Weather Statement | PHI | Berks | 38 min |
| Aug 2, 12:01 PM EDT | Special Weather Statement | CTP | Adams | 29 min |
| Aug 2, 12:09 PM EDT | Special Weather Statement | PHI | Philadelphia | 36 min |
| Aug 2, 12:11 PM EDT | Special Weather Statement | PHI | Monroe | 34 min |
| Aug 2, 12:15 PM EDT | Special Weather Statement | BGM | Pike | 30 min |
| Aug 2, 12:21 PM EDT | Special Weather Statement | BGM | Wayne | 24 min |
| Aug 2, 12:29 PM EDT | Special Weather Statement | BGM | Susquehanna | 31 min |
| Aug 2, 12:52 PM EDT | Special Weather Statement | PHI | Monroe | 23 min |
| Aug 2, 12:53 PM EDT | Special Weather Statement | PHI | Carbon | 37 min |
| Aug 2, 12:55 PM EDT | Special Weather Statement | PHI | Delaware | 35 min |
| Aug 2, 1:08 PM EDT | Special Weather Statement | PHI | Philadelphia | 37 min |
| Aug 2, 1:23 PM EDT | Special Weather Statement | CTP | Snyder | 37 min |
| Aug 2, 1:24 PM EDT | Special Weather Statement | BGM | Wyoming | 36 min |
| Aug 2, 1:26 PM EDT | Special Weather Statement | CTP | York | 34 min |
| Aug 2, 1:26 PM EDT | Special Weather Statement | PHI | Delaware | 34 min |
| Aug 2, 1:36 PM EDT | Special Weather Statement | PHI | Bucks | 39 min |
| Aug 2, 1:49 PM EDT | Special Weather Statement | PHI | Lehigh | 41 min |
| Aug 2, 1:50 PM EDT | Special Weather Statement | PHI | Philadelphia | 25 min |
| Aug 2, 1:51 PM EDT | Special Weather Statement | BGM | Susquehanna | 39 min |
| Aug 2, 1:54 PM EDT | Special Weather Statement | CTP | Northumberland | 36 min |
| Aug 2, 2:37 PM EDT | Special Weather Statement | PBZ | Venango | 53 min |
| Aug 2, 2:37 PM EDT | Special Weather Statement | PHI | Berks | 38 min |
| Aug 2, 2:41 PM EDT | Special Weather Statement | CTP | Snyder | 34 min |
| Aug 2, 2:46 PM EDT | Special Weather Statement | CTP | Sullivan | 44 min |
| Aug 2, 2:55 PM EDT | Special Weather Statement | CTP | Juniata, Perry | 35 min |
| Aug 2, 3:01 PM EDT | Special Weather Statement | CTP | Schuylkill | 29 min |
| Aug 2, 3:12 PM EDT | Special Weather Statement | PHI | Montgomery | 48 min |
| Aug 2, 3:19 PM EDT | Special Weather Statement | CTP | Mifflin | 26 min |
| Aug 2, 3:34 PM EDT | Special Weather Statement | PHI | Chester | 26 min |
| Aug 2, 4:08 PM EDT | Special Weather Statement | CTP | Mifflin | 37 min |
| Aug 2, 4:23 PM EDT | Special Weather Statement | PHI | Monroe | 37 min |
| Aug 2, 4:40 PM EDT | Special Weather Statement | PHI | Philadelphia | 50 min |
| Aug 2, 4:56 PM EDT | Special Weather Statement | BGM | Bradford | 34 min |
| Aug 2, 5:03 PM EDT | Special Weather Statement | CTP | Sullivan | 27 min |
| Aug 2, 6:29 PM EDT | Special Weather Statement | CTP | Sullivan | 46 min |
| Aug 2, 7:05 PM EDT | Special Weather Statement | CTP | Clinton | 25 min |
| Aug 2, 8:18 PM EDT | Special Weather Statement | CTP | Huntingdon | 57 min |
| Aug 2, 9:15 PM EDT | Special Weather Statement | CTP | Montour | 45 min |
| Aug 3, 12:57 PM EDT | Special Weather Statement | CTP | Potter | 63 min |
| Aug 3, 1:51 PM EDT | Special Weather Statement | CTP | Bedford | 39 min |
| Aug 3, 1:59 PM EDT | Special Weather Statement | CTP | Cumberland | 31 min |
| Aug 3, 2:05 PM EDT | Special Weather Statement | CTP | Clinton | 25 min |
| Aug 3, 3:01 PM EDT | Special Weather Statement | CTP | Adams | 29 min |
| Aug 3, 3:31 PM EDT | Special Weather Statement | PHI | Bucks, Philadelphia | 44 min |
| Aug 3, 3:54 PM EDT | Special Weather Statement | CTP | Juniata | 51 min |
| Aug 3, 4:22 PM EDT | Special Weather Statement | CTP | Fulton | 38 min |
| Aug 3, 5:57 PM EDT | Special Weather Statement | PHI | Delaware | 33 min |
| Aug 3, 6:15 PM EDT | Special Weather Statement | PHI | Philadelphia | 30 min |
| Aug 3, 6:17 PM EDT | Special Weather Statement | CTP | Bedford | 28 min |
| Aug 3, 6:29 PM EDT | Special Weather Statement | CTP | Lancaster | 31 min |
| Aug 3, 6:34 PM EDT | Special Weather Statement | PHI | Lehigh | 41 min |
| Aug 3, 6:37 PM EDT | Special Weather Statement | CTP | Lancaster | 23 min |
| Aug 3, 6:54 PM EDT | Special Weather Statement | PHI | Bucks | 66 min |
| Aug 3, 7:00 PM EDT | Special Weather Statement | CTP | Bedford | 60 min |
| Aug 3, 7:16 PM EDT | Special Weather Statement | PHI | Lehigh | 44 min |
| Aug 3, 7:28 PM EDT | Special Weather Statement | CTP | Lancaster | 32 min |
| Aug 3, 7:34 PM EDT | Special Weather Statement | PHI | Bucks | 41 min |
| Aug 3, 7:37 PM EDT | Special Weather Statement | PHI | Lehigh | 38 min |
| Aug 3, 8:01 PM EDT | Special Weather Statement | PHI | Berks | 44 min |
| Aug 3, 8:11 PM EDT | Special Weather Statement | PHI | Lehigh | 49 min |
| Aug 3, 8:54 PM EDT | Special Weather Statement | PHI | Berks | 51 min |
| Aug 3, 9:29 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 46 min |
| Aug 3, 9:36 PM EDT | Special Weather Statement | CTP | Franklin | 39 min |
| Aug 4, 8:51 AM EDT | Special Weather Statement | CTP | McKean | 69 min |
| Aug 4, 12:20 PM EDT | Special Weather Statement | PBZ | Mercer | 25 min |
| Aug 4, 1:03 PM EDT | Special Weather Statement | CTP | Adams, Cumberland, Perry | 42 min |
| Aug 4, 1:19 PM EDT | Special Weather Statement | CTP | Bedford | 26 min |
| Aug 4, 1:25 PM EDT | Special Weather Statement | PHI | Berks | 65 min |
| Aug 4, 1:38 PM EDT | Special Weather Statement | BGM | Wayne | 37 min |
| Aug 4, 1:46 PM EDT | Special Weather Statement | CTP | Warren | 44 min |
| Aug 4, 1:47 PM EDT | Special Weather Statement | CTP | Schuylkill | 43 min |
| Aug 4, 1:51 PM EDT | Special Weather Statement | CTP | Dauphin | 39 min |
| Aug 4, 2:20 PM EDT | Special Weather Statement | PBZ | Mercer | 25 min |
| Aug 4, 2:32 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon, Schuylkill | 43 min |
| Aug 4, 2:46 PM EDT | Special Weather Statement | PBZ | Westmoreland | 29 min |
| Aug 4, 2:51 PM EDT | Special Weather Statement | CTP | Union | 39 min |
| Aug 4, 2:52 PM EDT | Special Weather Statement | CTP | Fulton | 23 min |
| Aug 4, 3:19 PM EDT | Special Weather Statement | CTP | Fulton | 26 min |
| Aug 4, 3:32 PM EDT | Special Weather Statement | PBZ | Clarion | 28 min |
| Aug 4, 3:46 PM EDT | Special Weather Statement | CTP | Huntingdon | 29 min |
| Aug 4, 4:00 PM EDT | Special Weather Statement | PBZ | Indiana | 30 min |
| Aug 4, 4:15 PM EDT | Special Weather Statement | BGM | Wyoming | 30 min |
| Aug 4, 4:18 PM EDT | Special Weather Statement | CTP | Bedford | 27 min |
| Aug 4, 4:24 PM EDT | Special Weather Statement | CTP | Elk, McKean | 36 min |
| Aug 4, 4:25 PM EDT | Special Weather Statement | BGM | Susquehanna | 35 min |
| Aug 4, 4:26 PM EDT | Special Weather Statement | BGM | Susquehanna | 34 min |
| Aug 4, 4:28 PM EDT | Special Weather Statement | CTP | Clinton | 32 min |
| Aug 4, 4:33 PM EDT | Special Weather Statement | CTP | Juniata | 42 min |
| Aug 4, 4:58 PM EDT | Special Weather Statement | CTP | Bedford, Fulton | 32 min |
| Aug 4, 5:33 PM EDT | Special Weather Statement | PBZ | Lawrence | 27 min |
| Aug 4, 5:44 PM EDT | Special Weather Statement | CTP | Clinton | 46 min |
| Aug 4, 5:51 PM EDT | Special Weather Statement | CTP | Potter | 39 min |
| Aug 4, 7:35 PM EDT | Special Weather Statement | BGM | Bradford | 40 min |
| Aug 4, 7:50 PM EDT | Special Weather Statement | CTP | Sullivan | 55 min |
| Aug 4, 8:19 PM EDT | Special Weather Statement | CTP | Franklin | 41 min |
| Aug 4, 8:26 PM EDT | Special Weather Statement | BGM | Susquehanna | 34 min |
| Aug 4, 8:46 PM EDT | Special Weather Statement | PBZ | Jefferson | 44 min |
| Aug 4, 9:08 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 37 min |
| Aug 4, 9:15 PM EDT | Special Weather Statement | BGM | Luzerne | 45 min |
| Aug 4, 11:49 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh | 56 min |
| Aug 5, 12:18 AM EDT | Special Weather Statement | CTP | York | 27 min |
| Aug 5, 1:19 AM EDT | Special Weather Statement | CTP | Lancaster | 56 min |
| Aug 5, 1:42 AM EDT | Special Weather Statement | PHI | Bucks, Montgomery, Northampton | 48 min |
| Aug 5, 1:59 AM EDT | Special Weather Statement | PHI | Chester, Montgomery | 46 min |
| Aug 5, 2:38 AM EDT | Special Weather Statement | PHI | Chester | 52 min |
| Aug 5, 2:41 AM EDT | Special Weather Statement | PHI | Bucks, Montgomery, Philadelphia | 49 min |
| Aug 11, 12:39 PM EDT | Special Weather Statement | CLE | Crawford | 21 min |
| Aug 11, 12:59 PM EDT | Special Weather Statement | CLE | Erie | 46 min |
| Aug 11, 4:09 PM EDT | Special Weather Statement | CTP | Blair, Huntingdon | 66 min |
| Aug 11, 4:51 PM EDT | Special Weather Statement | CTP | Tioga | 54 min |
| Aug 11, 5:16 PM EDT | Special Weather Statement | CTP | Huntingdon, Mifflin | 59 min |
| Aug 11, 6:13 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin | 32 min |
| Aug 11, 6:55 PM EDT | Special Weather Statement | CTP | Juniata | 35 min |
| Aug 11, 6:56 PM EDT | Special Weather Statement | CTP | Huntingdon | 34 min |
| Aug 11, 7:29 PM EDT | Special Weather Statement | CTP | Perry | 31 min |
| Aug 11, 7:31 PM EDT | Special Weather Statement | CTP | Mifflin | 29 min |
| Aug 11, 7:59 PM EDT | Special Weather Statement | CTP | Dauphin | 31 min |
| Aug 11, 8:02 PM EDT | Special Weather Statement | CTP | Juniata, Perry | 28 min |
| Aug 11, 8:06 PM EDT | Special Weather Statement | CTP | Huntingdon | 24 min |
| Aug 11, 8:33 PM EDT | Special Weather Statement | CTP | Perry | 42 min |
| Aug 11, 10:49 PM EDT | Special Weather Statement | PHI | Berks, Lehigh, Northampton | 41 min |
| Aug 12, 1:15 PM EDT | Special Weather Statement | CTP | Centre | 45 min |
| Aug 12, 1:30 PM EDT | Special Weather Statement | CTP | Huntingdon | 30 min |
| Aug 12, 4:25 PM EDT | Special Weather Statement | BGM | Bradford | 35 min |
| Aug 12, 5:00 PM EDT | Special Weather Statement | PHI | Berks | 60 min |
| Aug 12, 6:18 PM EDT | Special Weather Statement | PHI | Chester | 27 min |
| Aug 12, 7:10 PM EDT | Special Weather Statement | PHI | Chester | 50 min |
| Aug 15, 7:06 PM EDT | Special Weather Statement | BGM | Wayne | 24 min |
| Aug 15, 7:29 PM EDT | Special Weather Statement | BGM | Wayne | 46 min |
| Aug 17, 5:52 PM EDT | Special Weather Statement | PBZ | Washington | 23 min |
| Aug 18, 1:21 AM EDT | Special Weather Statement | CTP | Lycoming | 54 min |
| Aug 18, 12:33 PM EDT | Special Weather Statement | CTP | Huntingdon, Mifflin | 27 min |
| Aug 18, 1:42 PM EDT | Special Weather Statement | CTP | Juniata | 33 min |
| Aug 18, 1:49 PM EDT | Special Weather Statement | BGM | Wayne | 41 min |
| Aug 18, 2:02 PM EDT | Special Weather Statement | CTP | Schuylkill | 43 min |
| Aug 18, 2:10 PM EDT | Special Weather Statement | CTP | Cumberland, Perry | 35 min |
| Aug 18, 2:21 PM EDT | Special Weather Statement | CTP | Lebanon, Schuylkill | 39 min |
| Aug 18, 2:21 PM EDT | Special Weather Statement | PHI | Berks | 24 min |
| Aug 18, 3:14 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 31 min |
| Aug 18, 3:19 PM EDT | Special Weather Statement | PHI | Northampton | 26 min |
| Aug 18, 3:27 PM EDT | Special Weather Statement | CTP | Lancaster | 33 min |
| Aug 18, 3:32 PM EDT | Special Weather Statement | CTP | York | 43 min |
| Aug 18, 3:37 PM EDT | Special Weather Statement | PHI | Carbon | 38 min |
| Aug 18, 3:43 PM EDT | Special Weather Statement | PHI | Berks | 32 min |
| Aug 18, 4:11 PM EDT | Special Weather Statement | CTP | Lancaster | 34 min |
| Aug 18, 6:38 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 37 min |
| Aug 19, 4:43 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Centre, Clearfield | 77 min |
| Aug 19, 5:17 PM EDT | Special Weather Statement | CTP | Somerset | 58 min |
| Aug 19, 5:21 PM EDT | Special Weather Statement | CTP | Tioga | 54 min |
| Aug 19, 5:56 PM EDT | Special Weather Statement | CTP | Bedford | 94 min |
| Aug 19, 6:31 PM EDT | Special Weather Statement | BGM | Bradford | 44 min |
| Aug 19, 6:43 PM EDT | Special Weather Statement | CTP | Union | 47 min |
| Aug 19, 6:47 PM EDT | Special Weather Statement | CTP | Lycoming | 13 min |
| Aug 19, 7:03 PM EDT | Special Weather Statement | CTP | Lycoming | 27 min |
| Aug 19, 7:05 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 55 min |
| Aug 19, 7:13 PM EDT | Special Weather Statement | BGM | Bradford | 32 min |
| Aug 19, 7:35 PM EDT | Special Weather Statement | CTP | Sullivan | 40 min |
| Aug 19, 7:44 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 61 min |
| Aug 19, 7:55 PM EDT | Special Weather Statement | PHI | Berks | 65 min |
| Aug 19, 7:58 PM EDT | Special Weather Statement | CTP | Adams, York | 62 min |
| Aug 19, 8:17 PM EDT | Special Weather Statement | BGM | Wyoming | 43 min |
| Aug 19, 8:21 PM EDT | Special Weather Statement | CTP | Sullivan | 24 min |
| Aug 19, 8:29 PM EDT | Special Weather Statement | BGM | Wayne | 46 min |
| Aug 19, 8:34 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Montgomery | 56 min |
| Aug 19, 9:02 PM EDT | Special Weather Statement | BGM | Lackawanna | 43 min |
| Aug 19, 9:29 PM EDT | Special Weather Statement | PHI | Monroe | 31 min |
| Aug 19, 9:35 PM EDT | Special Weather Statement | PHI | Bucks, Delaware, Montgomery, Philadelphia | 25 min |
| Aug 21, 12:46 PM EDT | Special Weather Statement | CTP | Clearfield | 44 min |
| Aug 21, 2:15 PM EDT | Special Weather Statement | CTP | Clinton | 75 min |
| Aug 21, 3:13 PM EDT | Special Weather Statement | CTP | Lycoming | 62 min |
| Aug 21, 3:14 PM EDT | Special Weather Statement | PBZ | Indiana | 31 min |
| Aug 21, 3:35 PM EDT | Special Weather Statement | CTP | Lycoming | 55 min |
| Aug 21, 3:51 PM EDT | Special Weather Statement | CTP | Cambria | 39 min |
| Aug 21, 4:26 PM EDT | Special Weather Statement | CTP | Sullivan | 79 min |
| Aug 21, 5:14 PM EDT | Special Weather Statement | PBZ | Mercer | 31 min |
| Aug 21, 5:35 PM EDT | Special Weather Statement | CTP | Lancaster | 40 min |
| Aug 21, 5:46 PM EDT | Special Weather Statement | CTP | Lebanon | 59 min |
| Aug 21, 6:20 PM EDT | Special Weather Statement | BGM | Luzerne | 40 min |
| Aug 21, 6:20 PM EDT | Special Weather Statement | PHI | Lehigh | 55 min |
| Aug 21, 6:49 PM EDT | Special Weather Statement | CTP | Franklin | 41 min |
| Aug 21, 9:45 PM EDT | Special Weather Statement | CTP | Columbia | 75 min |
| Aug 21, 9:49 PM EDT | Special Weather Statement | BGM | Luzerne | 56 min |
| Aug 22, 10:00 AM EDT | Special Weather Statement | CLE | Crawford, Erie | 60 min |
| Aug 22, 12:43 PM EDT | Special Weather Statement | CTP | Elk, McKean, Warren | 32 min |
| Aug 22, 1:10 PM EDT | Special Weather Statement | PBZ | Venango | 35 min |
| Aug 22, 1:12 PM EDT | Special Weather Statement | CTP | McKean | 33 min |
| Aug 22, 1:18 PM EDT | Special Weather Statement | CLE | Crawford, Erie | 57 min |
| Aug 22, 1:45 PM EDT | Special Weather Statement | CTP | Elk, McKean | 30 min |
| Aug 22, 2:44 PM EDT | Special Weather Statement | CTP | Potter | 31 min |
| Aug 22, 2:48 PM EDT | Special Weather Statement | CTP | Warren | 72 min |
| Aug 22, 2:59 PM EDT | Special Weather Statement | CTP | Cambria | 76 min |
| Aug 22, 3:40 PM EDT | Special Weather Statement | CTP | McKean, Warren | 65 min |
| Aug 22, 4:03 PM EDT | Special Weather Statement | PBZ | Forest, Venango | 27 min |
| Aug 22, 4:05 PM EDT | Special Weather Statement | CTP | Elk | 70 min |
| Aug 22, 4:21 PM EDT | Special Weather Statement | CTP | Montour | 24 min |
| Aug 22, 4:27 PM EDT | Special Weather Statement | CTP | Cambria | 48 min |
| Aug 22, 4:34 PM EDT | Special Weather Statement | PBZ | Clarion | 41 min |
| Aug 22, 5:03 PM EDT | Special Weather Statement | CTP | Somerset | 27 min |
| Aug 22, 5:27 PM EDT | Special Weather Statement | CTP | Cambria | 33 min |
| Aug 22, 5:44 PM EDT | Special Weather Statement | CTP | Cameron, Clearfield, Elk | 46 min |
| Aug 22, 6:43 PM EDT | Special Weather Statement | CTP | Sullivan | 32 min |
| Aug 22, 6:59 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 31 min |
| Aug 22, 7:14 PM EDT | Special Weather Statement | CTP | Dauphin | 31 min |
| Aug 22, 7:29 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 31 min |
| Aug 22, 7:41 PM EDT | Special Weather Statement | CTP | Cumberland | 34 min |
| Aug 22, 7:50 PM EDT | Special Weather Statement | CTP | Schuylkill | 25 min |
| Aug 22, 8:20 PM EDT | Special Weather Statement | CTP | Adams, York | 55 min |
| Aug 22, 8:53 PM EDT | Special Weather Statement | CTP | Lancaster, York | 82 min |
| Aug 22, 10:13 PM EDT | Special Weather Statement | CTP | Lancaster | 17 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berks County12
- Lehigh County11
- Philadelphia County10
- Sullivan County9
- Lancaster County9
- Huntingdon County8
- Wayne County7
- Bucks County7
- Juniata County7
- Bedford County7
- Carbon County6
- York County6
- Perry County6
- Schuylkill County6
- Montgomery County6
- Mifflin County6
- Fulton County6
- McKean County6
- Northampton County5
- Adams County5
- Monroe County5
- Susquehanna County5
- Delaware County5
- Chester County5
- Bradford County5
- Clinton County5
- Franklin County5
- Dauphin County5
- Elk County5
- Lycoming County5
- Cambria County5
- Potter County4
- Cumberland County4
- Warren County4
- Lebanon County4
- Wyoming County3
- Venango County3
- Montour County3
- Mercer County3
- Luzerne County3
21 more counties
- Crawford County3
- Erie County3
- Clearfield County3
- Snyder County2
- Union County2
- Clarion County2
- Indiana County2
- Blair County2
- Tioga County2
- Centre County2
- Somerset County2
- Columbia County2
- Pike County1
- Northumberland County1
- Westmoreland County1
- Lawrence County1
- Jefferson County1
- Washington County1
- Lackawanna County1
- Forest County1
- Cameron County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.