Alert archive / Pennsylvania / Cumberland County

Weather alerts in Cumberland County, Pennsylvania, 2024

143 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cumberland County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
143
Warnings
29
Watches
22
Advisories
43
Busiest month
August35 alerts
Busiest day
August 9, 20247 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 Cumberland County in 2024 had a tornado report inside them.

Cumberland County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings12925%2339%21 min
Flash flood warnings3167%0

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS State College, PA: tornado warnings160100%40%
NWS State College, PA: severe thunderstorm warnings18812534%42274%20 min
NWS State College, PA: flash flood warnings332330%6578%59 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 4, 2:29 PM ESTWinter Storm WatchCTP22 hr
Jan 5, 12:23 PM ESTWinter Storm WarningCTP37 hr
Jan 6, 11:47 AM ESTMesoscale DiscussionSPC5 hr
Jan 6, 4:27 PM ESTMesoscale DiscussionSPC5 hr
Jan 8, 2:14 AM ESTFlood WatchCTP49 hr
Jan 8, 4:08 AM ESTWind AdvisoryCTP62 hr
Jan 9, 6:00 PM ESTAreal Flood AdvisoryCTP3 hr
Jan 9, 8:35 PM ESTAreal Flood WarningCTP6 hr
Jan 9, 8:35 PM ESTRiver Flood WarningCTP31 hr
Jan 10, 3:06 AM ESTRiver Flood WarningCTP37 hr
Jan 12, 4:14 AM ESTWind AdvisoryCTP41 hr
Jan 14, 2:34 AM ESTWind AdvisoryCTP14 hr
Jan 14, 9:58 AM ESTSpecial Weather StatementCTP92 min
Jan 15, 4:01 AM ESTWinter Weather AdvisoryCTP34 hr
Jan 18, 4:25 AM ESTWinter Weather AdvisoryCTP66 hr
Jan 25, 10:43 AM ESTDense Fog AdvisoryCTP22 hr
Feb 10, 2:46 PM ESTWinter Storm WatchCTP48 hr
Feb 11, 2:49 PM ESTWinter Storm WarningCTP43 hr
Feb 15, 3:50 PM ESTWind AdvisoryCTP18 hr
Feb 15, 6:30 PM ESTWinter Storm WatchCTP19 hr
Feb 16, 1:39 PM ESTWinter Storm WarningCTP17 hr
Feb 16, 10:33 PM ESTMesoscale DiscussionSPC4 hr
Feb 17, 12:35 AM ESTSpecial Weather StatementCTP70 min
Feb 17, 2:00 PM ESTSpecial Weather StatementCTP45 min
Feb 27, 2:47 PM ESTWind AdvisoryCTP37 hr
Feb 28, 5:23 PM ESTSpecial Weather StatementCTP52 min
Mar 9, 3:20 AM ESTWind AdvisoryCTP62 hr
Mar 10, 2:07 PM EDTSpecial Weather StatementCTP23 min
Mar 14, 11:55 PM EDTSpecial Weather StatementCTP35 min
Mar 20, 3:16 AM EDTWind AdvisoryCTP17 hr
Apr 1, 2:08 PM EDTFlood WatchCTP60 hr
Apr 3, 5:06 AM EDTRiver Flood WarningCTP49 hr
Apr 12, 2:21 AM EDTSpecial Weather StatementCTP54 min
Apr 12, 10:25 AM EDTWind AdvisoryCTP32 hr
Apr 15, 2:43 PM EDTSpecial Weather StatementCTP32 min
Apr 21, 11:54 AM EDTFrost AdvisoryCTP20 hr
Apr 22, 9:45 AM EDTFrost AdvisoryCTP22 hr
Apr 25, 1:32 PM EDTFrost AdvisoryCTP18 hr
May 8, 4:19 AM EDTSpecial Weather StatementCTP26 min
May 8, 4:49 AM EDTSpecial Weather StatementCTP41 min
May 22, 3:00 PM EDTSevere Thunderstorm WatchSPC5 hr
May 22, 4:39 PM EDTMesoscale DiscussionSPC2 hr
May 25, 5:10 PM EDTSpecial Weather StatementCTP20 min
May 26, 12:09 AM EDTDense Fog AdvisoryCTP10 hr
May 27, 11:53 AM EDTMesoscale DiscussionSPC2 hr
May 27, 1:42 PM EDTSevere Thunderstorm WatchSPC7 hr
May 27, 4:40 PM EDTMesoscale DiscussionSPC95 min
Jun 14, 2:34 PM EDTMesoscale DiscussionSPC116 min
Jun 16, 3:20 PM EDTHeat AdvisoryCTP7 days
Jun 17, 7:50 PM EDTMesoscale DiscussionSPC55 min
Jun 22, 4:59 PM EDTSevere Thunderstorm WarningCTP61 min
Jun 23, 3:23 PM EDTMesoscale DiscussionSPC2 hr
Jun 23, 4:33 PM EDTSevere Thunderstorm WatchSPC5 hr
Jun 23, 7:20 PM EDTMesoscale DiscussionSPC115 min
Jun 26, 4:02 PM EDTMesoscale DiscussionSPC118 min
Jun 26, 9:52 PM EDTSevere Thunderstorm WarningCTP38 min
Jun 26, 9:57 PM EDTSevere Thunderstorm WarningCTP33 min
Jun 26, 10:10 PM EDTSpecial Weather StatementCTP35 min
Jun 26, 10:30 PM EDTSevere Thunderstorm WarningCTP45 min
Jun 26, 11:15 PM EDTAreal Flood AdvisoryCTP2 hr
Jun 29, 1:11 PM EDTTornado WatchSPC7 hr
Jun 29, 4:09 PM EDTMesoscale DiscussionSPC96 min
Jun 29, 5:40 PM EDTSevere Thunderstorm WarningCTP50 min
Jun 29, 6:23 PM EDTTornado WarningCTP25 min
Jun 29, 6:44 PM EDTSevere Thunderstorm WarningCTP46 min
Jun 30, 11:09 AM EDTSevere Thunderstorm WatchSPC10 hr
Jul 5, 2:48 AM EDTHeat AdvisoryCTP41 hr
Jul 7, 2:40 PM EDTHeat AdvisoryCTP3 days
Jul 10, 12:52 PM EDTMesoscale DiscussionSPC113 min
Jul 10, 1:37 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 10, 4:22 PM EDTMesoscale DiscussionSPC113 min
Jul 10, 7:48 PM EDTSevere Thunderstorm WarningCTP72 min
Jul 13, 2:42 AM EDTExcessive Heat WatchCTP35 hr
Jul 13, 2:42 AM EDTHeat AdvisoryCTP4 days
Jul 14, 1:54 PM EDTExcessive Heat WarningCTP54 hr
Jul 15, 10:56 AM EDTHeat AdvisoryCTP57 hr
Jul 15, 3:22 PM EDTSpecial Weather StatementCTP23 min
Jul 15, 3:30 PM EDTSevere Thunderstorm WarningCTP10 min
Jul 15, 3:41 PM EDTMesoscale DiscussionSPC2 hr
Jul 16, 2:35 PM EDTMesoscale DiscussionSPC115 min
Jul 16, 6:00 PM EDTSpecial Weather StatementCTP45 min
Jul 17, 3:50 PM EDTMesoscale DiscussionSPC115 min
Jul 30, 12:39 PM EDTMesoscale DiscussionSPC2 hr
Jul 31, 4:17 AM EDTHeat AdvisoryCTP64 hr
Aug 3, 12:14 PM EDTFlood WatchCTP9 hr
Aug 3, 12:24 PM EDTSpecial Weather StatementCTP36 min
Aug 3, 12:47 PM EDTFlash Flood WarningCTP2 hr
Aug 3, 1:01 PM EDTSevere Thunderstorm WarningCTP44 min
Aug 3, 2:53 PM EDTMesoscale DiscussionSPC67 min
Aug 6, 11:42 AM EDTSevere Thunderstorm WatchSPC7 hr
Aug 6, 2:10 PM EDTMesoscale DiscussionSPC95 min
Aug 6, 4:29 PM EDTMesoscale DiscussionSPC61 min
Aug 6, 5:32 PM EDTSevere Thunderstorm WarningCTP43 min
Aug 6, 6:12 PM EDTSpecial Weather StatementCTP33 min
Aug 6, 6:30 PM EDTSevere Thunderstorm WarningCTP45 min
Aug 7, 3:24 PM EDTFlood WatchCTP48 hr
Aug 9, 4:30 AM EDTFlash Flood WarningCTP99 min
Aug 9, 4:38 AM EDTMesoscale DiscussionSPC3 hr
Aug 9, 6:17 AM EDTTornado WatchSPC8 hr
Aug 9, 7:27 AM EDTRiver Flood WarningCTP21 hr
Aug 9, 8:34 AM EDTAreal Flood WarningCTP7 hr
Aug 9, 9:18 AM EDTFlash Flood WarningCTP117 min
Aug 9, 10:26 AM EDTMesoscale DiscussionSPC94 min
Aug 17, 4:59 AM EDTFlood WatchCTP42 hr
Aug 18, 1:09 PM EDTMesoscale DiscussionSPC96 min
Aug 18, 2:02 PM EDTSevere Thunderstorm WatchSPC8 hr
Aug 18, 4:29 PM EDTAreal Flood AdvisoryCTP91 min
Aug 18, 4:30 PM EDTMesoscale DiscussionSPC90 min
Aug 18, 5:15 PM EDTSpecial Weather StatementCTP30 min
Aug 18, 5:42 PM EDTSpecial Weather StatementCTP33 min
Aug 18, 5:53 PM EDTAreal Flood AdvisoryCTP112 min
Aug 27, 4:05 AM EDTHeat AdvisoryCTP40 hr
Aug 29, 2:34 PM EDTFlood WatchCTP9 hr
Aug 29, 3:54 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 29, 4:47 PM EDTSpecial Weather StatementCTP43 min
Aug 29, 5:13 PM EDTSevere Thunderstorm WarningCTP32 min
Aug 29, 5:24 PM EDTAreal Flood AdvisoryCTP2 hr
Aug 29, 5:40 PM EDTMesoscale DiscussionSPC95 min
Aug 29, 6:39 PM EDTAreal Flood AdvisoryCTP2 hr
Sep 5, 4:46 AM EDTSpecial Weather StatementCTP4 hr
Sep 22, 12:21 AM EDTSpecial Weather StatementCTP54 min
Sep 22, 12:36 AM EDTAreal Flood AdvisoryCTP91 min
Sep 22, 12:46 AM EDTSpecial Weather StatementCTP29 min
Oct 2, 10:27 PM EDTDense Fog AdvisoryCTP12 hr
Oct 14, 2:34 PM EDTFrost AdvisoryCTP18 hr
Oct 15, 12:36 PM EDTFrost AdvisoryCTP20 hr
Oct 16, 1:44 PM EDTFrost AdvisoryCTP19 hr
Oct 17, 4:18 PM EDTFrost AdvisoryCTP16 hr
Oct 18, 3:03 PM EDTFrost AdvisoryCTP17 hr
Oct 19, 2:08 PM EDTFrost AdvisoryCTP19 hr
Oct 24, 2:24 PM EDTFrost AdvisoryCTP19 hr
Oct 26, 3:21 AM EDTFreeze WatchCTP24 hr
Oct 26, 10:52 AM EDTFrost AdvisoryCTP22 hr
Oct 27, 2:56 AM EDTFreeze WarningCTP30 hr
Nov 1, 4:09 AM EDTFire Weather WatchCTP6 hr
Nov 1, 9:53 AM EDTRed Flag WarningCTP9 hr
Nov 7, 1:57 PM ESTRed Flag WarningCTP28 hr
Nov 20, 11:28 AM ESTWind AdvisoryCTP14 hr
Dec 3, 2:37 PM ESTWind AdvisoryCTP52 hr
Dec 5, 3:12 AM ESTSpecial Weather StatementCTP48 min
Dec 9, 9:44 PM ESTDense Fog AdvisoryCTP11 hr
Dec 14, 3:30 AM ESTWinter Weather AdvisoryCTP55 hr
Dec 28, 5:40 PM ESTDense Fog AdvisoryCTP15 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 archive20232025

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.