Alert archive / Pennsylvania / Delaware County / 2011

Weather alerts in Delaware County, Pennsylvania, April 2011

46 weather alerts in April 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
46
Warnings
14
Watches
8
Advisories
3
Busiest day
April 28, 201110 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
Apr 5, 5:01 AM EDTSevere Thunderstorm WarningPHI74 min
Apr 5, 5:03 AM EDTMesoscale DiscussionSPC27 min
Apr 5, 5:07 AM EDTSevere Thunderstorm WatchSPC2 hr
Apr 5, 5:23 AM EDTSevere Thunderstorm WarningPHI67 min
Apr 5, 6:25 AM EDTMesoscale DiscussionSPC2 hr
Apr 5, 8:55 AM EDTSpecial Weather StatementPHI65 min
Apr 5, 9:37 AM EDTSpecial Weather StatementPHI53 min
Apr 5, 10:16 AM EDTSevere Thunderstorm WarningPHI44 min
Apr 12, 5:37 PM EDTSpecial Weather StatementPHI23 min
Apr 15, 3:06 PM EDTCoastal Flood WatchPHI12 hr
Apr 15, 3:10 PM EDTWind AdvisoryPHI32 hr
Apr 16, 3:25 AM EDTCoastal Flood WarningPHI31 hr
Apr 16, 4:07 AM EDTFlood WatchPHI24 hr
Apr 16, 4:41 PM EDTTornado WatchSPC6 hr
Apr 16, 6:22 PM EDTAreal Flood WarningPHI12 hr
Apr 16, 6:38 PM EDTMesoscale DiscussionSPC97 min
Apr 16, 8:08 PM EDTAreal Flood WarningPHI8 hr
Apr 16, 9:32 PM EDTRiver Flood WarningPHI6 hr
Apr 16, 9:58 PM EDTMesoscale DiscussionSPC62 min
Apr 17, 3:56 AM EDTAreal Flood WarningPHI6 hr
Apr 17, 6:37 AM EDTRiver Flood WarningPHI7 hr
Apr 17, 9:51 AM EDTCoastal Flood WarningPHI4 hr
Apr 17, 10:35 PM EDTCoastal Flood StatementPHI5 hr
Apr 18, 4:05 PM EDTCoastal Flood StatementPHI12 hr
Apr 19, 3:37 PM EDTCoastal Flood StatementPHI6 hr
Apr 19, 9:48 PM EDTCoastal Flood AdvisoryPHI5 hr
Apr 20, 4:02 AM EDTCoastal Flood StatementPHI58 min
Apr 21, 3:15 PM EDTFrost AdvisoryPHI17 hr
Apr 23, 7:43 AM EDTSpecial Weather StatementPHI2 hr
Apr 24, 2:12 PM EDTMesoscale DiscussionSPC93 min
Apr 24, 3:40 PM EDTSevere Thunderstorm WatchSPC5 hr
Apr 24, 6:10 PM EDTMesoscale DiscussionSPC65 min
Apr 27, 1:48 PM EDTSpecial Weather StatementPHI87 min
Apr 27, 2:31 PM EDTSevere Thunderstorm WarningPHI44 min
Apr 27, 3:55 PM EDTMesoscale DiscussionSPC65 min
Apr 27, 4:43 PM EDTSevere Thunderstorm WarningPHI36 min
Apr 27, 8:15 PM EDTSevere Thunderstorm WatchSPC8 hr
Apr 28, 4:05 AM EDTSevere Thunderstorm WatchSPC6 hr
Apr 28, 6:12 AM EDTSpecial Weather StatementPHI63 min
Apr 28, 6:21 AM EDTMesoscale DiscussionSPC54 min
Apr 28, 6:56 AM EDTSevere Thunderstorm WarningPHI34 min
Apr 28, 9:45 AM EDTSevere Thunderstorm WatchSPC6 hr
Apr 28, 11:49 AM EDTMesoscale DiscussionSPC56 min
Apr 28, 12:11 PM EDTSevere Thunderstorm WarningPHI31 min
Apr 28, 12:42 PM EDTSpecial Weather StatementPHI63 min
Apr 28, 12:45 PM EDTSpecial Weather StatementPHI60 min

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 Warning7
Severe Thunderstorm Watch5
Tornado Watch1
Mesoscale Discussion9
Special Weather Statement8
Flooding
Areal Flood Warning3
River Flood Warning2
Flood Watch1
Cold
Frost Advisory1
Wind and dust
Wind Advisory1
Coast and beach
Coastal Flood Warning2
Coastal Flood Watch1
Coastal Flood Advisory1
Coastal Flood Statement4

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20102012

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.