Alert archive / Pennsylvania / Lehigh County
Weather alerts in Lehigh County, Pennsylvania, 2019
246 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lehigh County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 246
- Warnings
- 74
- Watches
- 35
- Advisories
- 57
- Busiest month
- May58 alerts
- Busiest day
- May 29, 201921 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 1 tornado warnings covering Lehigh County in 2019 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Lehigh County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 37 | 32 | 14% | 55 | 89% | 21 min |
| Flash flood warnings | 17 | 10 | 41% | 5 | 100% | 58 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Philadelphia/Mount Holly: tornado warnings | 32 | 4 | 88% | 17 | 35% | 5 min |
| NWS Philadelphia/Mount Holly: severe thunderstorm warnings | 410 | 276 | 33% | 1,175 | 87% | 25 min |
| NWS Philadelphia/Mount Holly: flash flood warnings | 86 | 51 | 41% | 211 | 94% | 96 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 |
|---|---|---|---|
| Dec 31, 9:59 PM EST | Areal Flood Advisory | PHI | 9 hr |
| Jan 7, 3:16 AM EST | Winter Weather Advisory | PHI | 27 hr |
| Jan 17, 3:39 PM EST | Winter Storm Watch | PHI | 36 hr |
| Jan 18, 3:20 PM EST | Winter Storm Warning | PHI | 45 hr |
| Jan 19, 3:21 AM EST | Winter Weather Advisory | PHI | 24 hr |
| Jan 19, 9:33 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 20, 3:38 AM EST | Wind Chill Advisory | PHI | 50 hr |
| Jan 20, 9:49 AM EST | Wind Advisory | PHI | 30 hr |
| Jan 23, 3:58 AM EST | Flood Watch | PHI | 36 hr |
| Jan 24, 10:43 AM EST | Areal Flood Advisory | PHI | 4 hr |
| Jan 24, 2:03 PM EST | Areal Flood Warning | PHI | 4 hr |
| Jan 28, 3:16 PM EST | Winter Weather Advisory | PHI | 30 hr |
| Jan 29, 5:46 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 29, 9:08 PM EST | Wind Chill Advisory | PHI | 37 hr |
| Jan 30, 3:32 AM EST | Wind Advisory | PHI | 17 hr |
| Jan 30, 11:10 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 30, 12:32 PM EST | Special Weather Statement | PHI | 58 min |
| Jan 30, 1:37 PM EST | Special Weather Statement | PHI | 113 min |
| Jan 30, 2:05 PM EST | Snow Squall Warning | PHI | 55 min |
| Feb 11, 4:37 AM EST | Winter Weather Advisory | PHI | 37 hr |
| Feb 11, 3:30 PM EST | Winter Storm Warning | PHI | 39 hr |
| Feb 12, 10:48 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 12, 3:35 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 13, 12:37 PM EST | Snow Squall Warning | PHI | 53 min |
| Feb 17, 3:46 AM EST | Winter Weather Advisory | PHI | 30 hr |
| Feb 18, 3:16 PM EST | Winter Storm Watch | PHI | 24 hr |
| Feb 19, 2:55 PM EST | Winter Weather Advisory | PHI | 37 hr |
| Feb 20, 6:32 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 23, 4:02 AM EST | High Wind Watch | PHI | 23 hr |
| Feb 23, 2:58 PM EST | High Wind Warning | PHI | 48 hr |
| Feb 25, 2:58 PM EST | Wind Advisory | PHI | 3 hr |
| Mar 1, 2:50 PM EST | Winter Weather Advisory | PHI | 18 hr |
| Mar 2, 3:35 AM EST | Winter Storm Watch | PHI | 24 hr |
| Mar 3, 4:01 AM EST | Winter Storm Warning | PHI | 24 hr |
| Mar 3, 5:41 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 10, 10:31 PM EDT | Dense Fog Advisory | PHI | 5 hr |
| Mar 15, 6:02 PM EDT | Special Weather Statement | PHI | 28 min |
| Mar 15, 6:33 PM EDT | Areal Flood Advisory | PHI | 117 min |
| Mar 21, 3:22 AM EDT | Flood Watch | PHI | 24 hr |
| Apr 2, 3:02 PM EDT | Fire Weather Watch | PHI | 12 hr |
| Apr 3, 3:16 AM EDT | Red Flag Warning | PHI | 20 hr |
| Apr 9, 3:21 PM EDT | Special Weather Statement | PHI | 39 min |
| Apr 9, 4:59 PM EDT | Special Weather Statement | PHI | 31 min |
| Apr 12, 9:46 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Apr 13, 4:48 AM EDT | Areal Flood Advisory | PHI | 104 min |
| Apr 14, 5:19 PM EDT | Flash Flood Watch | PHI | 11 hr |
| Apr 14, 11:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 1:05 AM EDT | Tornado Watch | SPC | 5 hr |
| Apr 15, 2:21 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| Apr 15, 2:34 AM EDT | Special Weather Statement | PHI | 41 min |
| Apr 15, 3:03 AM EDT | Severe Thunderstorm Warning | PHI | 20 min |
| Apr 15, 3:19 AM EDT | Wind Advisory | PHI | 18 hr |
| Apr 18, 3:17 PM EDT | Flash Flood Watch | PHI | 42 hr |
| Apr 26, 11:37 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 26, 2:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 26, 6:34 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Apr 28, 2:18 PM EDT | Frost Advisory | PHI | 17 hr |
| May 3, 10:53 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| May 4, 3:11 PM EDT | Flash Flood Watch | PHI | 21 hr |
| May 4, 9:44 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| May 5, 1:46 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| May 5, 5:51 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| May 5, 7:20 AM EDT | Areal Flood Warning | PHI | 10 hr |
| May 7, 7:45 PM EDT | Special Weather Statement | PHI | 30 min |
| May 7, 8:12 PM EDT | Special Weather Statement | PHI | 48 min |
| May 13, 2:28 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| May 19, 1:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 2:36 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 19, 4:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| May 19, 6:20 PM EDT | Severe Thunderstorm Warning | PHI | 40 min |
| May 19, 6:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| May 19, 8:14 PM EDT | Special Weather Statement | PHI | 46 min |
| May 19, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| May 19, 9:09 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| May 19, 9:29 PM EDT | Flash Flood Warning | PHI | 4 hr |
| May 19, 10:34 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| May 19, 11:00 PM EDT | Severe Thunderstorm Warning | PHI | 60 min |
| May 19, 11:15 PM EDT | Flash Flood Warning | PHI | 3 hr |
| May 19, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | 39 min |
| May 23, 2:24 PM EDT | Special Weather Statement | PHI | 36 min |
| May 23, 2:46 PM EDT | Special Weather Statement | PHI | 29 min |
| May 23, 9:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 11:14 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 28, 1:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| May 28, 1:48 PM EDT | Tornado Watch | SPC | 8 hr |
| May 28, 4:43 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| May 28, 8:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 29, 3:18 AM EDT | Flash Flood Watch | PHI | 18 hr |
| May 29, 12:06 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 29, 1:10 PM EDT | Tornado Watch | SPC | 8 hr |
| May 29, 2:19 PM EDT | Special Weather Statement | PHI | 41 min |
| May 29, 2:30 PM EDT | Severe Thunderstorm Warning | PHI | 60 min |
| May 29, 3:10 PM EDT | Severe Thunderstorm Warning | PHI | 65 min |
| May 29, 3:17 PM EDT | Tornado Warning | PHI | 28 min |
| May 29, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| May 29, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | 62 min |
| May 29, 3:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| May 29, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | 47 min |
| May 29, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | 27 min |
| May 29, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | 42 min |
| May 29, 4:27 PM EDT | Areal Flood Advisory | PHI | 51 min |
| May 29, 4:35 PM EDT | Special Weather Statement | PHI | 25 min |
| May 29, 4:42 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| May 29, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | 40 min |
| May 29, 4:55 PM EDT | Flash Flood Warning | PHI | 4 hr |
| May 29, 5:14 PM EDT | Flash Flood Warning | PHI | 3 hr |
| May 29, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | 34 min |
| May 29, 9:57 PM EDT | Areal Flood Warning | PHI | 2 hr |
| May 30, 3:20 AM EDT | Flash Flood Watch | PHI | 18 hr |
| May 30, 12:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 2:01 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 30, 3:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 30, 4:17 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| May 30, 4:49 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jun 2, 1:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 2, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 3:51 AM EDT | Flash Flood Watch | PHI | 47 hr |
| Jun 18, 11:07 AM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jun 18, 12:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 12:38 PM EDT | Areal Flood Advisory | PHI | 7 hr |
| Jun 18, 3:41 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jun 18, 3:57 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jun 18, 5:09 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jun 19, 3:17 AM EDT | Flash Flood Watch | PHI | 43 hr |
| Jun 20, 1:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 2:13 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jun 26, 6:33 PM EDT | Special Weather Statement | PHI | 27 min |
| Jun 28, 4:26 PM EDT | Special Weather Statement | PHI | 34 min |
| Jun 28, 4:55 PM EDT | Special Weather Statement | PHI | 35 min |
| Jun 28, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | 44 min |
| Jun 28, 5:23 PM EDT | Areal Flood Advisory | PHI | 76 min |
| Jun 28, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | 48 min |
| Jun 28, 5:35 PM EDT | Flash Flood Warning | PHI | 2 hr |
| Jun 29, 11:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 29, 12:08 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 29, 1:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 29, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | 55 min |
| Jun 29, 4:17 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 2, 5:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:48 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 5:44 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 6, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | 38 min |
| Jul 6, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | 67 min |
| Jul 11, 3:44 AM EDT | Flash Flood Watch | PHI | 18 hr |
| Jul 11, 3:13 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 11, 3:45 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jul 11, 7:47 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jul 11, 11:00 PM EDT | Areal Flood Warning | PHI | 3 hr |
| Jul 16, 2:44 PM EDT | Excessive Heat Warning | PHI | 5 days |
| Jul 16, 2:44 PM EDT | Heat Advisory | PHI | 29 hr |
| Jul 17, 3:54 AM EDT | Flash Flood Watch | PHI | 19 hr |
| Jul 17, 1:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 1:50 PM EDT | Areal Flood Advisory | PHI | 80 min |
| Jul 17, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 17, 2:05 PM EDT | Special Weather Statement | PHI | 25 min |
| Jul 17, 3:14 PM EDT | Excessive Heat Watch | PHI | 24 hr |
| Jul 17, 3:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 5:14 PM EDT | Special Weather Statement | PHI | 46 min |
| Jul 17, 5:49 PM EDT | Special Weather Statement | PHI | 41 min |
| Jul 17, 6:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 17, 7:31 PM EDT | Special Weather Statement | PHI | 44 min |
| Jul 17, 7:36 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jul 17, 7:44 PM EDT | Special Weather Statement | PHI | 31 min |
| Jul 18, 1:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 2:24 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Jul 21, 3:15 AM EDT | Flash Flood Watch | PHI | 51 hr |
| Jul 21, 6:14 PM EDT | Special Weather Statement | PHI | 46 min |
| Jul 21, 6:38 PM EDT | Special Weather Statement | PHI | 37 min |
| Jul 21, 6:50 PM EDT | Severe Thunderstorm Warning | PHI | 29 min |
| Jul 21, 7:40 PM EDT | Special Weather Statement | PHI | 50 min |
| Jul 21, 8:25 PM EDT | Special Weather Statement | PHI | 50 min |
| Jul 21, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jul 21, 9:24 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| Jul 21, 9:58 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Jul 21, 10:14 PM EDT | Severe Thunderstorm Warning | PHI | 46 min |
| Jul 21, 10:30 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jul 21, 10:31 PM EDT | Flash Flood Warning | PHI | 3 hr |
| Jul 21, 10:35 PM EDT | Severe Thunderstorm Warning | PHI | 40 min |
| Jul 21, 11:05 PM EDT | Severe Thunderstorm Warning | PHI | 40 min |
| Jul 21, 11:38 PM EDT | Flash Flood Warning | PHI | 2 hr |
| Jul 21, 11:40 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Jul 22, 5:32 AM EDT | Areal Flood Warning | PHI | 49 min |
| Jul 22, 1:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 22, 2:17 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 22, 4:11 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Jul 22, 4:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 22, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Jul 22, 5:05 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jul 22, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | 73 min |
| Jul 22, 5:34 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Jul 22, 8:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 22, 8:58 PM EDT | Special Weather Statement | PHI | 32 min |
| Jul 22, 8:59 PM EDT | Areal Flood Warning | PHI | 7 hr |
| Jul 23, 3:53 AM EDT | Areal Flood Warning | PHI | 112 min |
| Jul 30, 11:38 PM EDT | Special Weather Statement | PHI | 52 min |
| Jul 31, 1:17 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 7, 1:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 7, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 7, 3:02 PM EDT | Special Weather Statement | PHI | 43 min |
| Aug 7, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
| Aug 7, 3:41 PM EDT | Areal Flood Advisory | PHI | 91 min |
| Aug 7, 3:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 12, 3:34 PM EDT | Flash Flood Watch | PHI | 23 hr |
| Aug 14, 6:01 PM EDT | Special Weather Statement | PHI | 29 min |
| Aug 16, 1:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 7:28 PM EDT | Special Weather Statement | PHI | 47 min |
| Aug 17, 1:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 3:32 AM EDT | Heat Advisory | PHI | 4 days |
| Aug 18, 5:29 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Aug 18, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | 52 min |
| Aug 18, 6:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 11:31 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 21, 3:27 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 22, 8:01 PM EDT | Areal Flood Advisory | PHI | 2 hr |
| Sep 2, 2:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 2, 6:31 PM EDT | Special Weather Statement | PHI | 44 min |
| Sep 4, 12:53 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 11, 9:51 PM EDT | Special Weather Statement | PHI | 24 min |
| Sep 11, 10:10 PM EDT | Severe Thunderstorm Warning | PHI | 28 min |
| Sep 12, 2:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 28, 5:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Oct 4, 5:38 AM EDT | Frost Advisory | PHI | 27 hr |
| Oct 15, 3:27 PM EDT | Wind Advisory | PHI | 51 hr |
| Oct 16, 6:29 PM EDT | Areal Flood Advisory | PHI | 3 hr |
| Oct 18, 3:16 AM EDT | Frost Advisory | PHI | 30 hr |
| Oct 31, 3:16 PM EDT | Wind Advisory | PHI | 18 hr |
| Oct 31, 7:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 31, 7:56 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 31, 8:11 PM EDT | Severe Thunderstorm Warning | PHI | 64 min |
| Oct 31, 8:58 PM EDT | Severe Thunderstorm Warning | PHI | 62 min |
| Oct 31, 9:56 PM EDT | Severe Thunderstorm Warning | PHI | 64 min |
| Oct 31, 9:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 31, 10:45 PM EDT | Areal Flood Advisory | PHI | 4 hr |
| Oct 31, 11:08 PM EDT | Flash Flood Warning | PHI | 4 hr |
| Nov 1, 3:02 AM EDT | Areal Flood Warning | PHI | 5 hr |
| Nov 1, 3:31 AM EDT | Freeze Watch | PHI | 6 hr |
| Nov 1, 9:12 AM EDT | Freeze Warning | PHI | 25 hr |
| Nov 27, 3:37 AM EST | Wind Advisory | PHI | 38 hr |
| Nov 29, 3:29 PM EST | Winter Storm Watch | PHI | 24 hr |
| Nov 30, 3:43 AM EST | Winter Weather Advisory | PHI | 3 days |
| Nov 30, 3:41 PM EST | Winter Storm Warning | PHI | 60 hr |
| Dec 1, 4:11 PM EST | Winter Weather Advisory | PHI | 32 hr |
| Dec 15, 3:24 PM EST | Winter Weather Advisory | PHI | 51 hr |
| Dec 18, 2:23 PM EST | Snow Squall Warning | PHI | 67 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 archive20182020
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.