Alert archive / Pennsylvania / Greene County

Weather alerts in Greene County, Pennsylvania, 2025

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

Greene County and its neighbors

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

Alerts
128
Warnings
46
Watches
25
Advisories
26
Busiest month
June27 alerts
Busiest day
March 16, 20257 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 4 tornado warnings covering Greene County in 2025 had a tornado report inside them.

Greene County, 2025

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings4175%0
Severe thunderstorm warnings261831%26100%25 min
Flash flood warnings7529%1100%21 min

Each office's whole area, 2025

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Pittsburgh, PA: tornado warnings23674%1479%6 min
NWS Pittsburgh, PA: severe thunderstorm warnings27317536%98893%24 min
NWS Pittsburgh, PA: flash flood warnings1259326%45292%70 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 2, 12:37 PM ESTWinter Weather AdvisoryPBZ45 hr
Jan 3, 3:25 PM ESTSnow Squall WarningPBZ50 min
Jan 3, 4:47 PM ESTWinter Storm WatchPBZ34 hr
Jan 4, 4:18 PM ESTWinter Storm WarningPBZ63 hr
Jan 8, 11:47 AM ESTSpecial Weather StatementPBZ58 min
Jan 9, 1:34 PM ESTWinter Weather AdvisoryPBZ53 hr
Jan 14, 8:30 PM ESTSpecial Weather StatementPBZ45 min
Jan 14, 9:13 PM ESTSpecial Weather StatementPBZ62 min
Jan 15, 1:41 PM ESTWinter Weather AdvisoryPBZ38 hr
Jan 17, 10:48 AM ESTExtreme Cold WatchPBZ40 hr
Jan 18, 12:53 PM ESTWinter Weather AdvisoryPBZ44 hr
Jan 19, 3:25 AM ESTCold Weather AdvisoryPBZ3 days
Feb 4, 2:33 PM ESTWinter Weather AdvisoryPBZ43 hr
Feb 13, 1:44 AM ESTFlood WatchPBZ3 days
Feb 14, 2:36 PM ESTWinter Weather AdvisoryPBZ26 hr
Feb 15, 2:56 PM ESTWinter Weather AdvisoryPBZ46 hr
Feb 17, 5:59 AM ESTSpecial Weather StatementPBZ31 min
Feb 17, 6:30 AM ESTSpecial Weather StatementPBZ30 min
Mar 5, 2:19 PM ESTMesoscale DiscussionSPC116 min
Mar 16, 10:04 AM EDTMesoscale DiscussionSPC86 min
Mar 16, 10:31 AM EDTTornado WatchSPC5 hr
Mar 16, 11:17 AM EDTSevere Thunderstorm WarningPBZ43 min
Mar 16, 11:56 AM EDTSevere Thunderstorm WarningPBZ49 min
Mar 16, 12:08 PM EDTMesoscale DiscussionSPC97 min
Mar 16, 12:16 PM EDTSevere Thunderstorm WarningPBZ44 min
Mar 16, 12:26 PM EDTSevere Thunderstorm WarningPBZ49 min
Mar 30, 10:12 PM EDTSevere Thunderstorm WatchSPC5 hr
Apr 1, 11:59 AM EDTFlood WatchPBZ5 days
Apr 2, 2:02 PM EDTSevere Thunderstorm WarningPBZ43 min
Apr 3, 12:56 AM EDTSevere Thunderstorm WatchSPC6 hr
Apr 3, 3:47 AM EDTTornado WarningPBZ28 min
Apr 3, 3:50 AM EDTSevere Thunderstorm WarningPBZ40 min
Apr 3, 4:28 AM EDTSevere Thunderstorm WarningPBZ62 min
Apr 3, 4:43 AM EDTTornado WarningPBZ32 min
Apr 3, 4:54 AM EDTMesoscale DiscussionSPC96 min
Apr 4, 7:39 AM EDTAreal Flood WarningPBZ6 hr
Apr 14, 2:18 PM EDTMesoscale DiscussionSPC117 min
Apr 14, 3:25 PM EDTSevere Thunderstorm WatchSPC8 hr
Apr 16, 3:00 AM EDTFrost AdvisoryPBZ30 hr
Apr 19, 6:20 PM EDTMesoscale DiscussionSPC85 min
Apr 19, 7:39 PM EDTSevere Thunderstorm WarningPBZ44 min
Apr 19, 8:23 PM EDTSevere Thunderstorm WarningPBZ27 min
Apr 29, 3:26 PM EDTSevere Thunderstorm WatchSPC6 hr
Apr 29, 4:50 PM EDTSevere Thunderstorm Warning Considerable damage threatPBZ40 min
Apr 29, 5:24 PM EDTSevere Thunderstorm Warning Considerable damage threatPBZ66 min
Apr 29, 6:13 PM EDTSevere Thunderstorm WarningPBZ62 min
May 1, 12:12 PM EDTMesoscale DiscussionSPC2 hr
May 1, 2:43 PM EDTMesoscale DiscussionSPC92 min
May 1, 5:26 PM EDTSevere Thunderstorm WarningPBZ49 min
May 2, 12:49 PM EDTSevere Thunderstorm WatchSPC7 hr
May 4, 2:34 PM EDTMesoscale DiscussionSPC2 hr
May 4, 7:12 PM EDTMesoscale DiscussionSPC2 hr
May 5, 4:22 AM EDTDense Fog AdvisoryPBZ5 hr
May 5, 1:02 PM EDTMesoscale DiscussionSPC118 min
May 5, 4:07 PM EDTSevere Thunderstorm WatchSPC5 hr
May 9, 2:19 AM EDTFrost AdvisoryPBZ30 hr
May 16, 1:41 PM EDTMesoscale DiscussionSPC3 hr
May 16, 2:32 PM EDTSevere Thunderstorm WatchSPC5 hr
May 16, 2:51 PM EDTTornado WarningPBZ24 min
May 16, 9:56 PM EDTSevere Thunderstorm WatchSPC4 hr
May 17, 12:32 AM EDTSevere Thunderstorm WarningPBZ43 min
May 17, 1:07 AM EDTSevere Thunderstorm WarningPBZ53 min
May 20, 1:05 PM EDTFlood WatchPBZ31 hr
May 21, 1:46 PM EDTMesoscale DiscussionSPC2 hr
May 21, 2:43 PM EDTTornado WatchSPC4 hr
May 30, 6:02 PM EDTFlash Flood WarningPBZ5 hr
May 30, 7:09 PM EDTFlash Flood WarningPBZ3 hr
May 30, 10:03 PM EDTAreal Flood WarningPBZ6 hr
May 30, 10:58 PM EDTAreal Flood WarningPBZ9 hr
Jun 5, 4:20 PM EDTMesoscale DiscussionSPC115 min
Jun 6, 2:46 PM EDTFlash Flood WarningPBZ105 min
Jun 6, 4:31 PM EDTAreal Flood WarningPBZ119 min
Jun 7, 5:31 PM EDTFlood WatchPBZ26 hr
Jun 9, 2:06 PM EDTMesoscale DiscussionSPC84 min
Jun 9, 2:46 PM EDTSevere Thunderstorm WatchSPC9 hr
Jun 9, 7:00 PM EDTSevere Thunderstorm WarningPBZ45 min
Jun 15, 3:21 AM EDTFlood WatchPBZ39 hr
Jun 15, 1:21 PM EDTFlash Flood WarningPBZ3 hr
Jun 15, 3:10 PM EDTFlash Flood WarningPBZ3 hr
Jun 17, 3:17 AM EDTFlood WatchPBZ27 hr
Jun 18, 8:14 PM EDTSevere Thunderstorm WatchSPC5 hr
Jun 18, 9:18 PM EDTMesoscale DiscussionSPC87 min
Jun 18, 10:57 PM EDTSevere Thunderstorm WarningPBZ63 min
Jun 19, 2:17 PM EDTMesoscale DiscussionSPC118 min
Jun 20, 2:02 AM EDTExtreme Heat WatchPBZ23 hr
Jun 21, 1:28 AM EDTHeat AdvisoryPBZ7 days
Jun 25, 12:23 PM EDTSevere Thunderstorm WarningPBZ52 min
Jun 25, 1:00 PM EDTSevere Thunderstorm WarningPBZ45 min
Jun 25, 2:22 PM EDTMesoscale DiscussionSPC113 min
Jun 26, 2:07 PM EDTMesoscale DiscussionSPC113 min
Jun 27, 10:11 AM EDTFlood WatchPBZ14 hr
Jun 27, 5:17 PM EDTSevere Thunderstorm WarningPBZ28 min
Jun 28, 11:48 AM EDTSevere Thunderstorm WatchSPC8 hr
Jun 28, 12:18 PM EDTSevere Thunderstorm WarningPBZ42 min
Jun 28, 2:14 PM EDTMesoscale DiscussionSPC91 min
Jun 28, 4:40 PM EDTMesoscale DiscussionSPC95 min
Jul 7, 2:04 PM EDTMesoscale DiscussionSPC2 hr
Jul 25, 8:38 AM EDTFlash Flood WarningPBZ3 hr
Jul 25, 1:57 PM EDTSevere Thunderstorm WarningPBZ48 min
Jul 25, 2:25 PM EDTSevere Thunderstorm WarningPBZ44 min
Jul 25, 2:38 PM EDTFlash Flood WarningPBZ3 hr
Jul 28, 1:13 PM EDTHeat AdvisoryPBZ31 hr
Jul 31, 12:46 PM EDTSevere Thunderstorm Warning Considerable damage threatPBZ44 min
Aug 17, 12:39 PM EDTMesoscale DiscussionSPC66 min
Aug 17, 4:45 PM EDTSevere Thunderstorm WarningPBZ31 min
Sep 5, 6:01 PM EDTMesoscale DiscussionSPC119 min
Sep 20, 3:07 PM EDTSevere Thunderstorm WarningPBZ14 min
Sep 26, 1:44 AM EDTDense Fog AdvisoryPBZ8 hr
Sep 28, 4:01 AM EDTDense Fog AdvisoryPBZ20 min
Sep 28, 4:21 AM EDTDense Fog AdvisoryPBZ5 hr
Oct 9, 12:18 PM EDTFrost AdvisoryPBZ21 hr
Oct 15, 1:14 AM EDTFrost AdvisoryPBZ32 hr
Oct 15, 12:25 PM EDTFreeze WatchPBZ24 hr
Oct 16, 12:40 PM EDTFrost AdvisoryPBZ20 hr
Oct 23, 5:02 PM EDTFrost AdvisoryPBZ16 hr
Oct 24, 12:53 PM EDTFreeze WarningPBZ20 hr
Oct 25, 12:58 PM EDTFreeze WarningPBZ20 hr
Nov 8, 5:47 AM ESTDense Fog AdvisoryPBZ4 hr
Nov 15, 6:14 PM ESTMesoscale DiscussionSPC3 hr
Nov 15, 10:17 PM ESTTornado WarningPBZ28 min
Nov 19, 11:55 PM ESTDense Fog AdvisoryPBZ10 hr
Nov 20, 7:47 PM ESTDense Fog AdvisoryPBZ13 hr
Dec 1, 1:09 AM ESTWinter Weather AdvisoryPBZ45 hr
Dec 2, 4:54 AM ESTMesoscale DiscussionSPC4 hr
Dec 11, 5:00 PM ESTWinter Storm WatchPBZ19 hr
Dec 12, 11:41 AM ESTWinter Storm WarningPBZ49 hr
Dec 28, 1:13 AM ESTWind AdvisoryPBZ46 hr
Dec 30, 1:04 PM ESTWinter Weather AdvisoryPBZ45 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.