Alert archive / Pennsylvania / Berks County

Weather alerts in Berks County, Pennsylvania, 2025

154 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Berks County and its neighbors

Each county as a circle sized by its count in 2025. Tap one for its archive.

Alerts
154
Warnings
58
Watches
27
Advisories
36
Busiest month
July47 alerts
Busiest day
July 1, 202511 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 2 tornado warnings covering Berks County in 2025 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 0 minutes after it went out.

Berks County, 2025

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%1100%0 min
Severe thunderstorm warnings342332%7393%27 min
Flash flood warnings11645%22100%57 min

Each office's whole area, 2025

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Philadelphia/Mount Holly: tornado warnings29197%520%0 min
NWS Philadelphia/Mount Holly: severe thunderstorm warnings23313144%50291%23 min
NWS Philadelphia/Mount Holly: flash flood warnings965543%20396%67 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.

IssuedProductOfficeLasted
Jan 5, 2:05 AM ESTWinter Weather AdvisoryPHI44 hr
Jan 17, 3:04 PM ESTWinter Storm WatchPHI24 hr
Jan 18, 2:49 PM ESTWinter Storm WarningPHI33 hr
Jan 19, 1:00 PM ESTMesoscale DiscussionSPC5 hr
Jan 19, 3:51 PM ESTCold Weather AdvisoryPHI68 hr
Jan 28, 1:18 PM ESTWind AdvisoryPHI29 hr
Feb 4, 2:06 PM ESTWinter Weather AdvisoryPHI48 hr
Feb 6, 4:00 AM ESTMesoscale DiscussionSPC5 hr
Feb 6, 9:12 PM ESTDense Fog AdvisoryPHI5 hr
Feb 7, 1:01 PM ESTWinter Weather AdvisoryPHI38 hr
Feb 8, 6:24 PM ESTMesoscale DiscussionSPC4 hr
Feb 11, 3:30 PM ESTWinter Weather AdvisoryPHI45 hr
Feb 13, 4:35 PM ESTWind AdvisoryPHI5 hr
Feb 14, 3:30 AM ESTWinter Weather AdvisoryPHI57 hr
Feb 14, 4:28 AM ESTSnow Squall WarningPHI47 min
Feb 15, 2:57 AM ESTHigh Wind WatchPHI11 hr
Feb 15, 2:17 PM ESTHigh Wind WarningPHI49 hr
Feb 17, 2:41 AM ESTWind AdvisoryPHI12 hr
Mar 1, 4:28 PM ESTWind AdvisoryPHI5 hr
Mar 6, 1:38 AM ESTWind AdvisoryPHI38 hr
Mar 16, 10:03 AM EDTWind AdvisoryPHI13 hr
Mar 16, 4:26 PM EDTMesoscale DiscussionSPC94 min
Mar 31, 3:33 PM EDTMesoscale DiscussionSPC117 min
Mar 31, 6:12 PM EDTTornado WarningPHI11 min
Mar 31, 6:38 PM EDTSevere Thunderstorm WarningPHI14 min
Apr 5, 11:27 PM EDTSpecial Weather StatementCTP33 min
Apr 6, 3:31 AM EDTAreal Flood WarningPHI6 hr
Apr 15, 1:09 PM EDTWind AdvisoryPHI7 hr
Apr 15, 3:07 PM EDTSevere Thunderstorm WarningPHI53 min
Apr 15, 3:56 PM EDTSevere Thunderstorm WarningPHI49 min
Apr 16, 9:40 AM EDTFrost AdvisoryPHI21 hr
Apr 29, 8:15 PM EDTSevere Thunderstorm WarningPHI45 min
May 3, 2:50 PM EDTMesoscale DiscussionSPC115 min
May 3, 5:51 PM EDTSevere Thunderstorm WatchSPC4 hr
May 3, 6:46 PM EDTMesoscale DiscussionSPC59 min
May 3, 8:47 PM EDTSevere Thunderstorm WarningPHI43 min
May 3, 9:50 PM EDTSevere Thunderstorm WarningPHI17 min
May 6, 12:01 PM EDTMesoscale DiscussionSPC119 min
May 6, 1:06 PM EDTSevere Thunderstorm WatchSPC6 hr
May 6, 1:08 PM EDTSevere Thunderstorm WarningPHI37 min
May 6, 2:12 PM EDTSevere Thunderstorm WarningPHI48 min
May 6, 2:43 PM EDTMesoscale DiscussionSPC92 min
May 6, 2:46 PM EDTSevere Thunderstorm WarningPHI59 min
May 6, 4:37 PM EDTMesoscale DiscussionSPC83 min
May 15, 9:34 PM EDTDense Fog AdvisoryPHI12 hr
May 16, 9:46 AM EDTMesoscale DiscussionSPC119 min
May 16, 10:06 AM EDTSevere Thunderstorm WatchSPC6 hr
May 16, 10:24 AM EDTSevere Thunderstorm WarningPHI66 min
May 16, 3:29 PM EDTAreal Flood WarningPHI6 hr
May 16, 4:36 PM EDTSevere Thunderstorm WatchSPC3 hr
May 30, 2:13 AM EDTFlood WatchPHI28 hr
May 31, 1:04 AM EDTFlash Flood WarningPHI4 hr
Jun 6, 1:32 PM EDTFlood WatchPHI6 hr
Jun 6, 4:45 PM EDTFlash Flood WarningPHI3 hr
Jun 10, 7:47 AM EDTSevere Thunderstorm WarningPHI43 min
Jun 12, 4:57 PM EDTMesoscale DiscussionSPC2 hr
Jun 18, 12:43 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 19, 12:06 AM EDTAreal Flood WarningPHI2 hr
Jun 19, 1:22 PM EDTMesoscale DiscussionSPC113 min
Jun 19, 1:46 PM EDTSevere Thunderstorm WatchSPC9 hr
Jun 20, 2:12 AM EDTExtreme Heat WatchPHI24 hr
Jun 21, 2:06 AM EDTExtreme Heat WarningPHI5 days
Jun 25, 5:39 PM EDTSevere Thunderstorm WarningPHI66 min
Jun 25, 6:41 PM EDTSevere Thunderstorm WarningPHI32 min
Jun 26, 12:24 PM EDTFlood WatchPHI11 hr
Jun 26, 1:54 PM EDTMesoscale DiscussionSPC2 hr
Jun 26, 2:20 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 26, 3:48 PM EDTSevere Thunderstorm WarningPHI42 min
Jun 26, 4:31 PM EDTSevere Thunderstorm WarningPHI44 min
Jun 26, 5:45 PM EDTSevere Thunderstorm WarningPHI45 min
Jun 26, 6:21 PM EDTFlash Flood WarningPHI2 hr
Jun 26, 6:29 PM EDTSevere Thunderstorm WarningPHI46 min
Jun 28, 10:51 AM EDTMesoscale DiscussionSPC114 min
Jun 28, 4:40 PM EDTMesoscale DiscussionSPC95 min
Jun 30, 12:07 PM EDTMesoscale DiscussionSPC113 min
Jun 30, 7:38 PM EDTAreal Flood WarningPHI16 hr
Jun 30, 11:20 PM EDTFlash Flood WarningPHI4 hr
Jun 30, 11:47 PM EDTSevere Thunderstorm WarningPHI43 min
Jul 1, 2:30 AM EDTFlood WatchPHI19 hr
Jul 1, 11:48 AM EDTMesoscale DiscussionSPC117 min
Jul 1, 12:59 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 1, 3:34 PM EDTSevere Thunderstorm WarningPHI56 min
Jul 1, 4:27 PM EDTSevere Thunderstorm WarningPHI63 min
Jul 1, 4:47 PM EDTTornado WarningPHI28 min
Jul 1, 4:55 PM EDTFlash Flood WarningPHI4 hr
Jul 1, 5:07 PM EDTSevere Thunderstorm WarningPHI38 min
Jul 1, 5:14 PM EDTFlash Flood WarningPHI4 hr
Jul 1, 8:53 PM EDTAreal Flood WarningPHI9 hr
Jul 3, 2:38 PM EDTSevere Thunderstorm WarningPHI21 min
Jul 3, 3:23 PM EDTSevere Thunderstorm WarningPHI26 min
Jul 7, 10:59 PM EDTFlood WatchPHI23 hr
Jul 8, 12:34 PM EDTMesoscale DiscussionSPC116 min
Jul 8, 1:42 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 8, 3:04 PM EDTSevere Thunderstorm WarningPHI41 min
Jul 8, 3:32 PM EDTMesoscale DiscussionSPC118 min
Jul 8, 3:44 PM EDTSevere Thunderstorm WarningPHI46 min
Jul 8, 4:05 PM EDTFlash Flood WarningPHI4 hr
Jul 8, 4:25 PM EDTSevere Thunderstorm WarningPHI35 min
Jul 8, 4:33 PM EDTSevere Thunderstorm WarningPHI42 min
Jul 8, 4:54 PM EDTSevere Thunderstorm Warning Considerable damage threatPHI51 min
Jul 8, 6:46 PM EDTMesoscale DiscussionSPC119 min
Jul 8, 9:52 PM EDTFlood WatchPHI26 hr
Jul 9, 4:43 PM EDTMesoscale DiscussionSPC2 hr
Jul 9, 5:31 PM EDTSevere Thunderstorm WatchSPC6 hr
Jul 13, 1:44 PM EDTFlood WatchPHI32 hr
Jul 14, 2:20 PM EDTMesoscale DiscussionSPC2 hr
Jul 14, 5:32 PM EDTFlash Flood WarningPHI6 hr
Jul 15, 2:37 PM EDTFlood WatchPHI34 hr
Jul 16, 1:55 AM EDTHeat AdvisoryPHI42 hr
Jul 23, 1:41 PM EDTHeat AdvisoryPHI55 hr
Jul 25, 1:05 PM EDTMesoscale DiscussionSPC85 min
Jul 25, 1:41 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 25, 3:36 PM EDTSevere Thunderstorm WarningPHI54 min
Jul 25, 4:25 PM EDTSevere Thunderstorm WarningPHI65 min
Jul 25, 7:09 PM EDTMesoscale DiscussionSPC96 min
Jul 28, 3:00 AM EDTHeat AdvisoryPHI65 hr
Jul 30, 2:10 PM EDTFlood WatchPHI31 hr
Jul 31, 11:29 AM EDTMesoscale DiscussionSPC3 hr
Jul 31, 12:11 PM EDTSevere Thunderstorm WarningPHI64 min
Jul 31, 12:19 PM EDTFlash Flood WarningPHI4 hr
Jul 31, 1:15 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 31, 1:27 PM EDTFlash Flood WarningPHI4 hr
Jul 31, 2:03 PM EDTFlash Flood WarningPHI2 hr
Aug 17, 3:25 PM EDTMesoscale DiscussionSPC2 hr
Aug 17, 6:28 PM EDTMesoscale DiscussionSPC62 min
Sep 4, 10:11 PM EDTAreal Flood WarningPHI4 hr
Sep 6, 11:56 AM EDTMesoscale DiscussionSPC94 min
Sep 6, 1:13 PM EDTSevere Thunderstorm WatchSPC7 hr
Sep 24, 6:13 AM EDTDense Fog AdvisoryPHI3 hr
Sep 25, 3:22 PM EDTMesoscale DiscussionSPC113 min
Sep 26, 3:37 AM EDTDense Fog AdvisoryPHI5 hr
Oct 9, 1:56 AM EDTFrost AdvisoryPHI31 hr
Oct 23, 2:04 AM EDTFrost AdvisoryPHI31 hr
Oct 24, 10:37 AM EDTFrost AdvisoryPHI22 hr
Oct 25, 2:16 PM EDTFrost AdvisoryPHI19 hr
Oct 30, 2:52 PM EDTWind AdvisoryPHI30 hr
Oct 30, 3:16 PM EDTMesoscale DiscussionSPC119 min
Nov 4, 1:03 PM ESTHigh Wind WatchPHI13 hr
Nov 5, 2:18 AM ESTWind AdvisoryPHI26 hr
Nov 5, 9:19 PM ESTSevere Thunderstorm WarningPHI26 min
Nov 5, 10:05 PM ESTSevere Thunderstorm WarningPHI40 min
Nov 15, 7:05 PM ESTWind AdvisoryPHI24 hr
Nov 25, 10:49 PM ESTDense Fog AdvisoryPHI11 hr
Dec 1, 1:28 AM ESTWinter Weather AdvisoryPHI39 hr
Dec 2, 9:51 AM ESTMesoscale DiscussionSPC3 hr
Dec 9, 2:20 AM ESTWinter Weather AdvisoryPHI40 hr
Dec 12, 1:37 PM ESTWinter Weather AdvisoryPHI47 hr
Dec 17, 2:07 PM ESTWind AdvisoryPHI59 hr
Dec 19, 1:40 PM ESTSevere Thunderstorm WarningPHI65 min
Dec 19, 4:34 PM ESTHigh Wind WarningPHI5 hr
Dec 24, 1:11 PM ESTWinter Storm WatchPHI24 hr
Dec 25, 1:14 PM ESTWinter Weather AdvisoryPHI45 hr
Dec 28, 1:25 PM ESTWind AdvisoryPHI51 hr
Dec 28, 9:32 PM ESTDense Fog AdvisoryPHI14 hr

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 archive20242026

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.