Alert archive / Pennsylvania / Delaware County

Weather alerts in Delaware County, Pennsylvania, 2007

110 weather alerts in 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Delaware County and its neighbors

Each county as a circle sized by its count in 2007. Tap one for its archive.

Alerts
110
Warnings
20
Watches
26
Advisories
34
Busiest month
June22 alerts
Busiest day
February 14, 20076 alerts

Over time

By month

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 1, 5:29 AM ESTCoastal Flood AdvisoryPHI9 hr
Jan 7, 4:15 AM ESTFlood WatchPHI30 hr
Jan 21, 4:35 AM ESTWinter Weather AdvisoryPHI29 hr
Feb 1, 5:32 AM ESTWinter Weather AdvisoryPHI20 hr
Feb 13, 5:05 AM ESTWinter Weather AdvisoryPHI24 hr
Feb 13, 3:46 PM ESTFlood WatchPHI18 hr
Feb 13, 4:07 PM ESTCoastal Flood AdvisoryPHI13 hr
Feb 14, 1:44 AM ESTIce Storm WarningPHI8 hr
Feb 14, 2:03 AM ESTMesoscale DiscussionSPC5 hr
Feb 14, 2:04 AM ESTMesoscale DiscussionSPC5 hr
Feb 14, 2:49 AM ESTMesoscale DiscussionSPC5 hr
Feb 14, 7:34 AM ESTMesoscale DiscussionSPC4 hr
Feb 14, 10:27 AM ESTWinter Weather AdvisoryPHI6 hr
Feb 24, 4:58 AM ESTWinter Storm WatchPHI24 hr
Feb 24, 3:55 PM ESTWinter Storm WarningPHI35 hr
Feb 25, 1:39 PM ESTMesoscale DiscussionSPC4 hr
Feb 28, 3:45 PM ESTFlood WatchPHI45 hr
Mar 1, 2:34 PM ESTCoastal Flood AdvisoryPHI22 hr
Mar 6, 3:12 PM ESTSnow AdvisoryPHI28 hr
Mar 14, 4:19 PM EDTFlood WatchPHI55 hr
Mar 15, 8:07 PM EDTWinter Storm WarningPHI32 hr
Mar 15, 8:07 PM EDTWinter Weather AdvisoryPHI32 hr
Mar 16, 8:46 AM EDTMesoscale DiscussionSPC4 hr
Mar 16, 9:14 PM EDTMesoscale DiscussionSPC4 hr
Mar 29, 4:35 AM EDTRed Flag WarningPHI14 hr
Apr 13, 3:35 PM EDTCoastal Flood WatchPHI13 hr
Apr 13, 3:36 PM EDTFlood WatchPHI55 hr
Apr 14, 4:45 AM EDTCoastal Flood WarningPHI53 hr
Apr 15, 4:11 PM EDTWind AdvisoryPHI23 hr
Apr 16, 3:23 AM EDTHigh Wind WarningPHI16 hr
Apr 16, 3:22 PM EDTWind AdvisoryPHI4 hr
Apr 18, 9:50 PM EDTCoastal Flood AdvisoryPHI28 hr
Apr 19, 2:04 PM EDTCoastal Flood WatchPHI8 hr
Apr 19, 9:48 PM EDTCoastal Flood WarningPHI8 hr
Apr 22, 1:40 PM EDTFire Weather WatchPHI14 hr
Apr 23, 3:45 AM EDTRed Flag WarningPHI15 hr
Apr 29, 3:09 PM EDTFire Weather WatchPHI17 hr
May 5, 3:28 PM EDTFire Weather WatchPHI11 hr
May 6, 2:02 AM EDTRed Flag WarningPHI18 hr
May 9, 8:40 PM EDTDense Fog AdvisoryPHI12 hr
May 10, 6:28 PM EDTMesoscale DiscussionSPC92 min
May 16, 12:56 PM EDTMesoscale DiscussionSPC64 min
May 16, 1:26 PM EDTSevere Thunderstorm WatchSPC7 hr
May 16, 3:26 PM EDTSevere Thunderstorm WarningPHI49 min
May 16, 3:46 PM EDTMesoscale DiscussionSPC89 min
May 16, 4:35 PM EDTSevere Thunderstorm WarningPHI40 min
May 18, 4:55 AM EDTCoastal Flood AdvisoryPHI22 hr
May 27, 6:56 PM EDTMesoscale DiscussionSPC2 hr
May 27, 9:27 PM EDTSevere Thunderstorm WarningPHI63 min
Jun 3, 4:20 AM EDTFlood WatchPHI28 hr
Jun 7, 3:42 AM EDTHeat AdvisoryPHI40 hr
Jun 11, 5:08 PM EDTSevere Thunderstorm WarningPHI37 min
Jun 12, 12:29 PM EDTMesoscale DiscussionSPC31 min
Jun 12, 12:55 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 12, 4:23 PM EDTMesoscale DiscussionSPC67 min
Jun 13, 4:26 AM EDTCoastal Flood AdvisoryPHI23 hr
Jun 14, 4:28 AM EDTCoastal Flood AdvisoryPHI28 hr
Jun 15, 11:48 PM EDTCoastal Flood AdvisoryPHI9 hr
Jun 16, 1:50 PM EDTMesoscale DiscussionSPC115 min
Jun 19, 2:15 PM EDTMesoscale DiscussionSPC30 min
Jun 26, 5:03 AM EDTExcessive Heat WatchPHI11 hr
Jun 26, 5:03 AM EDTHeat AdvisoryPHI14 hr
Jun 26, 4:26 PM EDTExcessive Heat WatchPHI12 hr
Jun 26, 4:26 PM EDTExcessive Heat WarningPHI27 hr
Jun 27, 3:42 PM EDTExcessive Heat WarningPHI27 hr
Jun 27, 7:26 PM EDTSevere Thunderstorm WatchSPC4 hr
Jun 27, 9:10 PM EDTSevere Thunderstorm WarningPHI65 min
Jun 27, 10:03 PM EDTMesoscale DiscussionSPC57 min
Jun 28, 12:52 PM EDTMesoscale DiscussionSPC83 min
Jun 28, 2:07 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 28, 7:30 PM EDTMesoscale DiscussionSPC60 min
Jul 4, 2:06 PM EDTTornado WatchSPC8 hr
Jul 4, 4:13 PM EDTMesoscale DiscussionSPC62 min
Jul 6, 2:10 PM EDTExcessive Heat WatchPHI48 hr
Jul 8, 4:58 AM EDTHeat AdvisoryPHI9 hr
Jul 8, 2:27 PM EDTExcessive Heat WarningPHI52 hr
Jul 11, 1:59 PM EDTMesoscale DiscussionSPC91 min
Jul 18, 1:56 PM EDTMesoscale DiscussionSPC64 min
Jul 19, 2:07 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 19, 6:27 PM EDTMesoscale DiscussionSPC93 min
Jul 27, 6:04 PM EDTMesoscale DiscussionSPC86 min
Jul 29, 12:15 PM EDTMesoscale DiscussionSPC2 hr
Aug 3, 3:33 PM EDTMesoscale DiscussionSPC87 min
Aug 5, 3:50 PM EDTExcessive Heat WatchPHI23 hr
Aug 6, 3:02 PM EDTExcessive Heat WarningPHI53 hr
Aug 9, 7:23 PM EDTMesoscale DiscussionSPC67 min
Aug 17, 1:13 PM EDTMesoscale DiscussionSPC92 min
Aug 17, 1:37 PM EDTSevere Thunderstorm WatchSPC6 hr
Aug 17, 2:36 PM EDTSevere Thunderstorm WarningPHI54 min
Aug 17, 3:41 PM EDTMesoscale DiscussionSPC94 min
Aug 20, 3:32 PM EDTFlash Flood WatchPHI23 hr
Aug 24, 4:24 AM EDTExcessive Heat WatchPHI11 hr
Aug 24, 3:32 PM EDTExcessive Heat WarningPHI28 hr
Oct 6, 3:05 AM EDTDense Fog AdvisoryPHI7 hr
Oct 19, 6:05 PM EDTMesoscale DiscussionSPC55 min
Oct 25, 3:10 PM EDTCoastal Flood AdvisoryPHI25 hr
Oct 27, 9:43 AM EDTCoastal Flood AdvisoryPHI7 hr
Oct 28, 3:55 AM EDTFrost AdvisoryPHI29 hr
Oct 29, 3:20 PM EDTFrost AdvisoryPHI17 hr
Nov 14, 5:21 AM ESTDense Fog AdvisoryPHI4 hr
Dec 1, 3:08 PM ESTWinter Weather AdvisoryPHI34 hr
Dec 2, 4:53 AM ESTWind AdvisoryPHI46 hr
Dec 5, 3:25 AM ESTSnow AdvisoryPHI21 hr
Dec 10, 3:47 AM ESTDense Fog AdvisoryPHI4 hr
Dec 15, 4:45 PM ESTHigh Wind WatchPHI12 hr
Dec 16, 4:20 AM ESTWind AdvisoryPHI30 hr
Dec 21, 3:20 PM ESTCoastal Flood AdvisoryPHI22 hr
Dec 22, 3:17 PM ESTCoastal Flood AdvisoryPHI30 hr
Dec 23, 4:16 AM ESTWind AdvisoryPHI17 hr
Dec 23, 2:11 PM ESTMesoscale DiscussionSPC94 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 Warning6
Severe Thunderstorm Watch6
Tornado Watch1
Mesoscale Discussion30
Flooding
Flash Flood Watch1
Flood Watch6
Winter
Ice Storm Warning1
Winter Storm Warning2
Winter Storm Watch1
Snow Advisory2
Winter Weather Advisory6
Heat
Excessive Heat Warning5
Excessive Heat Watch5
Heat Advisory3
Cold
Frost Advisory2
Wind and dust
High Wind Warning1
High Wind Watch1
Wind Advisory5
Fire
Red Flag Warning3
Fire Weather Watch3
Fog and smoke
Dense Fog Advisory4
Coast and beach
Coastal Flood Warning2
Coastal Flood Watch2
Coastal Flood Advisory12

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 14, 20076alerts
  2. May 16, 20075alerts
  3. June 28, 20075alerts
  4. June 26, 20074alerts
  5. August 17, 20074alerts
  6. February 13, 20073alerts
  7. March 16, 20073alerts
  8. June 12, 20073alerts
  9. February 24, 20072alerts
  10. April 13, 20072alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20062008

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.