Alert archive / Maryland / 1999
Weather alerts in Maryland, April 1999
22 weather alerts in April 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in April 1999. Tap one for its archive.
- Alerts
- 22
- Warnings
- 18
- Watches
- 4
- Advisories
- 0
- Busiest day
- April 23, 199912 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Charles, Frederick, Garrett, Howard, Montgomery and 2 more | 5 hr |
| Apr 9, 4:09 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 59 min |
| Apr 9, 6:16 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 49 min |
| Apr 9, 6:34 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 41 min |
| Apr 9, 7:13 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 47 min |
| Apr 9, 7:24 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 36 min |
| Apr 9, 7:35 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico | 45 min |
| Apr 9, 7:35 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Apr 10, 7:30 PM EDT | Severe Thunderstorm Watch | SPC | Dorchester, Saint Mary's, Somerset, Wicomico, Worcester | 4 hr |
| Apr 11, 2:16 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 59 min |
| Apr 23, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett | 5 hr |
| Apr 23, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 7 more | 6 hr |
| Apr 23, 4:20 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Apr 23, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 32 min |
| Apr 23, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 31 min |
| Apr 23, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 32 min |
| Apr 23, 4:43 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 32 min |
| Apr 23, 4:49 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 51 min |
| Apr 23, 4:56 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 34 min |
| Apr 23, 5:12 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 48 min |
| Apr 23, 5:55 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 35 min |
| Apr 23, 6:15 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset | 30 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 | 18 |
| Severe Thunderstorm Watch | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dorchester County6
- Garrett County5
- Charles County4
- Saint Mary's County4
- Allegany County3
- Prince George's County3
- Calvert County3
- Somerset County3
- Frederick County2
- Howard County2
- Montgomery County2
- Washington County2
- Wicomico County2
- Kent County1
- Queen Anne's County1
- Cecil County1
- Worcester County1
- Anne Arundel County1
- Baltimore County1
- Carroll County1
- Harford County1
- City of Baltimore1
- Talbot County1
- Caroline County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.