Alert archive / Pennsylvania / Chester County / 2021

Weather alerts in Chester County, Pennsylvania, August 2021

44 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
44
Warnings
17
Watches
8
Advisories
7
Busiest day
August 10, 20219 alerts

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.

IssuedProductOfficeLasted
Aug 1, 8:29 PM EDTSpecial Weather StatementPHI46 min
Aug 9, 3:43 PM EDTExcessive Heat WatchPHI12 hr
Aug 9, 4:36 PM EDTAreal Flood AdvisoryPHI104 min
Aug 9, 5:12 PM EDTAreal Flood AdvisoryPHI85 min
Aug 10, 3:33 AM EDTExcessive Heat WarningPHI4 days
Aug 10, 2:30 PM EDTMesoscale DiscussionSPC3 hr
Aug 10, 4:01 PM EDTSevere Thunderstorm WarningPHI44 min
Aug 10, 4:33 PM EDTSevere Thunderstorm WarningPHI42 min
Aug 10, 5:11 PM EDTSpecial Weather StatementPHI34 min
Aug 10, 5:40 PM EDTSpecial Weather StatementPHI35 min
Aug 10, 6:36 PM EDTSevere Thunderstorm WarningPHI39 min
Aug 10, 7:10 PM EDTSevere Thunderstorm WarningPHI65 min
Aug 10, 7:54 PM EDTSevere Thunderstorm Warning Considerable damage threatPHI51 min
Aug 10, 8:18 PM EDTSevere Thunderstorm WarningPHI42 min
Aug 11, 2:03 PM EDTMesoscale DiscussionSPC87 min
Aug 11, 2:56 PM EDTExcessive Heat WatchPHI12 hr
Aug 11, 3:02 PM EDTSevere Thunderstorm WatchSPC6 hr
Aug 11, 6:26 PM EDTSevere Thunderstorm WarningPHI49 min
Aug 11, 6:44 PM EDTMesoscale DiscussionSPC91 min
Aug 11, 7:04 PM EDTAreal Flood AdvisoryPHI2 hr
Aug 11, 7:11 PM EDTSevere Thunderstorm WarningPHI49 min
Aug 12, 10:08 PM EDTMesoscale DiscussionSPC67 min
Aug 13, 1:11 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 13, 4:48 PM EDTMesoscale DiscussionSPC87 min
Aug 13, 5:31 PM EDTSpecial Weather StatementPHI44 min
Aug 18, 11:37 AM EDTTornado WatchSPC11 hr
Aug 18, 3:29 PM EDTMesoscale DiscussionSPC91 min
Aug 18, 4:57 PM EDTMesoscale DiscussionSPC93 min
Aug 18, 10:50 PM EDTFlash Flood WarningPHI4 hr
Aug 18, 11:19 PM EDTSpecial Weather StatementPHI41 min
Aug 18, 11:47 PM EDTFlash Flood WarningPHI2 hr
Aug 19, 12:31 AM EDTFlash Flood WarningPHI4 hr
Aug 19, 12:44 AM EDTRiver Flood WarningPHI5 hr
Aug 19, 12:47 AM EDTTornado WarningPHI28 min
Aug 19, 4:33 AM EDTAreal Flood WarningPHI4 hr
Aug 21, 3:27 AM EDTFlood WatchPHI53 hr
Aug 21, 11:49 PM EDTAreal Flood AdvisoryPHI3 hr
Aug 25, 2:13 PM EDTHeat AdvisoryPHI53 hr
Aug 26, 3:30 PM EDTFlash Flood WatchPHI48 hr
Aug 27, 1:52 PM EDTSevere Thunderstorm WarningPHI53 min
Aug 27, 2:18 PM EDTAreal Flood AdvisoryPHI93 min
Aug 27, 2:42 PM EDTSevere Thunderstorm WarningPHI14 min
Aug 28, 3:06 AM EDTAreal Flood AdvisoryPHI2 hr
Aug 30, 5:00 AM EDTFlash Flood WatchPHI71 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning10
Tornado Warning1
Severe Thunderstorm Watch2
Tornado Watch1
Mesoscale Discussion7
Special Weather Statement5
Flooding
Areal Flood Warning1
Flash Flood Warning3
River Flood Warning1
Flash Flood Watch2
Flood Watch1
Areal Flood Advisory6
Heat
Excessive Heat Warning1
Excessive Heat Watch2
Heat Advisory1

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20202022

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. Rebuilt daily.