Alert archive / Pennsylvania / Delaware County
Weather alerts in Delaware County, Pennsylvania, 1998
12 weather alerts in 1998, 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 1998. Tap one for its archive.
- Alerts
- 12
- Warnings
- 4
- Watches
- 8
- Advisories
- 0
- Busiest month
- June5 alerts
- Busiest day
- September 7, 19982 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 1, 7:15 PM EST | Tornado Watch | SPC | 5 hr |
| Apr 17, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 7:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 9:10 PM EDT | Severe Thunderstorm Warning | PHI | 30 min |
| Jun 1, 1:00 AM EDT | Severe Thunderstorm Warning | PHI | 50 min |
| Jun 2, 5:15 PM EDT | Tornado Watch | SPC | 6 hr |
| Jun 16, 7:15 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 26, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 2, 7:01 PM EDT | Tornado Warning | PHI | 34 min |
| Sep 7, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 7, 1:39 PM EDT | Severe Thunderstorm Warning | PHI | 51 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 3 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19971999
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.