Weather alerts in Maryland, 1991
67 weather alerts in 1991, 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 1991. Tap one for its archive.
- Alerts
- 67
- Warnings
- 67
- Watches
- 0
- Advisories
- 0
- Busiest month
- July28 alerts
- Busiest day
- July 7, 199116 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 | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 10:15 AM EST | Severe Thunderstorm Warning | LWX | Montgomery | 45 min |
| Mar 23, 10:34 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 56 min |
| Mar 23, 10:34 AM EST | Severe Thunderstorm Warning | LWX | Cecil | 56 min |
| Mar 23, 11:04 AM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, City of Baltimore | 116 min |
| Mar 23, 11:04 AM EST | Severe Thunderstorm Warning | LWX | Cecil, Harford | 116 min |
| Mar 23, 5:52 PM EST | Severe Thunderstorm Warning | LWX | Somerset | 68 min |
| Mar 23, 6:06 PM EST | Severe Thunderstorm Warning | LWX | Worcester | 69 min |
| Apr 9, 8:14 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 61 min |
| Apr 9, 8:28 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 62 min |
| Apr 9, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 2 hr |
| Apr 9, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, City of Baltimore | 2 hr |
| Apr 9, 10:22 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Cecil, Harford | 2 hr |
| Apr 24, 1:18 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 57 min |
| Apr 24, 1:18 PM EDT | Severe Thunderstorm Warning | LWX | Queen Anne's, Talbot | 57 min |
| Apr 24, 1:51 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 24 min |
| Apr 24, 3:03 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Queen Anne's | 57 min |
| May 6, 2:05 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 55 min |
| May 6, 2:30 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 60 min |
| May 6, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 49 min |
| May 6, 3:52 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 68 min |
| May 6, 4:17 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 58 min |
| May 6, 4:35 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 40 min |
| May 6, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 61 min |
| May 6, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 61 min |
| May 6, 5:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 46 min |
| May 13, 5:03 PM EDT | Severe Thunderstorm Warning | LWX | Cecil | 117 min |
| May 13, 5:16 PM EDT | Severe Thunderstorm Warning | LWX | Kent | 44 min |
| May 14, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert | 36 min |
| Jun 1, 2:08 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 67 min |
| Jun 18, 4:52 AM EDT | Flash Flood Warning | LWX | Cecil, Kent | 98 min |
| Jun 18, 6:43 AM EDT | Flash Flood Warning | LWX | Cecil, Kent | 107 min |
| Jul 7, 9:58 AM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford | 2 hr |
| Jul 7, 9:58 AM EDT | Severe Thunderstorm Warning | LWX | Queen Anne's | 2 hr |
| Jul 7, 9:58 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 2 hr |
| Jul 7, 1:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 55 min |
| Jul 7, 2:10 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 65 min |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Cecil, Harford, Kent | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Dorchester, Queen Anne's | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 2 hr |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Somerset | 2 hr |
| Jul 7, 2:46 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 59 min |
| Jul 7, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Talbot | 2 hr |
| Jul 7, 3:07 PM EDT | Severe Thunderstorm Warning | LWX | Wicomico, Worcester | 2 hr |
| Jul 7, 7:13 PM EDT | Severe Thunderstorm Warning | RLX | Garrett | 62 min |
| Jul 7, 7:28 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 62 min |
| Jul 7, 8:31 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 59 min |
| Jul 7, 9:45 PM EDT | Severe Thunderstorm Warning | LWX | Caroline | 60 min |
| Jul 8, 1:53 AM EDT | Severe Thunderstorm Warning | RLX | Allegany, Garrett | 67 min |
| Jul 8, 1:40 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Jul 8, 3:29 PM EDT | Severe Thunderstorm Warning | LWX | Queen Anne's, Talbot | 46 min |
| Jul 8, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Dorchester | 64 min |
| Jul 8, 4:09 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Saint Mary's | 66 min |
| Jul 8, 5:38 PM EDT | Severe Thunderstorm Warning | LWX | Worcester | 67 min |
| Jul 8, 5:47 PM EDT | Severe Thunderstorm Warning | LWX | Somerset | 58 min |
| Jul 20, 4:33 PM EDT | Severe Thunderstorm Warning | RLX | Allegany | 57 min |
| Jul 25, 4:57 AM EDT | Flash Flood Warning | LWX | Montgomery, Prince George's | 3 hr |
| Jul 26, 6:03 PM EDT | Severe Thunderstorm Warning | LWX | Caroline, Queen Anne's, Talbot | 42 min |
| Aug 19, 7:59 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 61 min |
| Aug 20, 6:57 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 48 min |
| Sep 18, 3:08 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 67 min |
| Sep 18, 4:19 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 26 min |
| Sep 18, 5:54 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 66 min |
| Sep 18, 6:20 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 55 min |
| Sep 18, 7:03 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 42 min |
| Sep 18, 10:05 PM EDT | Flash Flood Warning | LWX | Washington | 4 hr |
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 | 63 |
| Flooding | |
| Flash Flood Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baltimore County8
- Cecil County8
- Carroll County8
- Montgomery County7
- Anne Arundel County6
- Queen Anne's County6
- Washington County6
- Howard County5
- City of Baltimore5
- Harford County5
- Frederick County5
- Prince George's County5
- Garrett County4
- Allegany County4
- Talbot County4
- Caroline County4
- Kent County4
- Somerset County3
- Worcester County3
- Charles County3
- Calvert County3
- Dorchester County2
- Saint Mary's County2
- Wicomico County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.