Weather alerts in Maryland, 2001
175 weather alerts in 2001, 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 2001. Tap one for its archive.
- Alerts
- 175
- Warnings
- 157
- Watches
- 18
- Advisories
- 0
- Busiest month
- July46 alerts
- Busiest day
- July 1, 200114 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 13, 9:04 PM EST | Severe Thunderstorm Warning | LWX | Frederick | 26 min |
| Mar 13, 9:35 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Howard, City of Baltimore | 40 min |
| Mar 13, 9:35 PM EST | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 40 min |
| Mar 13, 10:15 PM EST | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 30 min |
| Mar 13, 10:20 PM EST | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 40 min |
| Mar 13, 10:20 PM EST | Severe Thunderstorm Warning | PHI | Talbot | 40 min |
| Apr 9, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | Cecil | 6 hr |
| Apr 9, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil and 10 more | 5 hr |
| Apr 9, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 59 min |
| Apr 9, 7:21 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 54 min |
| Apr 9, 7:21 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 54 min |
| Apr 9, 7:55 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 65 min |
| Apr 9, 7:55 PM EDT | Severe Thunderstorm Warning | LWX | Harford | 65 min |
| Apr 9, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 43 min |
| Apr 9, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 38 min |
| Apr 9, 8:56 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 34 min |
| Apr 9, 8:56 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 34 min |
| Apr 9, 8:56 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 34 min |
| May 5, 3:41 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 34 min |
| May 22, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more | 7 hr |
| May 22, 5:09 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 36 min |
| May 22, 5:57 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 33 min |
| May 22, 6:29 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 16 min |
| May 22, 6:58 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 17 min |
| May 22, 7:06 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 24 min |
| May 22, 7:15 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Charles and 11 more | 4 hr |
| May 22, 7:27 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Prince George's | 63 min |
| May 22, 7:27 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 63 min |
| May 22, 7:35 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 55 min |
| May 22, 7:39 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 36 min |
| May 22, 7:46 PM EDT | Tornado Warning | LWX | Calvert, Saint Mary's | 24 min |
| May 22, 7:54 PM EDT | Tornado Warning | AKQ | Somerset | 21 min |
| May 22, 8:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 60 min |
| May 22, 8:10 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 35 min |
| May 22, 8:14 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 31 min |
| May 22, 8:48 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 27 min |
| May 25, 2:56 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 49 min |
| May 25, 3:15 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 45 min |
| May 25, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 5 more | 6 hr |
| May 25, 3:26 PM EDT | Tornado Warning | LWX | Charles, Prince George's | 34 min |
| May 25, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| May 25, 4:07 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 53 min |
| May 25, 4:24 PM EDT | Tornado Warning | LWX | Prince George's | 51 min |
| May 25, 4:32 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 58 min |
| May 25, 4:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 46 min |
| May 26, 3:32 AM EDT | Severe Thunderstorm Warning | LWX | Charles | 43 min |
| May 26, 12:00 PM EDT | Severe Thunderstorm Watch | SPC | Somerset | 6 hr |
| May 27, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more | 5 hr |
| May 27, 2:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 50 min |
| May 27, 3:02 PM EDT | Severe Thunderstorm Warning | LWX | Howard | 43 min |
| May 27, 3:08 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 37 min |
| May 27, 3:17 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 28 min |
| May 27, 3:26 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 49 min |
| May 27, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 41 min |
| May 27, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 51 min |
| May 27, 6:53 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 52 min |
| Jun 7, 3:34 AM EDT | Flash Flood Warning | LWX | Allegany | 116 min |
| Jun 12, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Baltimore, Caroline, Carroll, Cecil, Frederick, Harford and 5 more | 6 hr |
| Jun 12, 5:30 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 30 min |
| Jun 12, 7:20 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 40 min |
| Jun 12, 7:49 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 41 min |
| Jun 20, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | Carroll, Cecil, Harford | 6 hr |
| Jun 20, 7:11 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 64 min |
| Jun 20, 7:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 39 min |
| Jun 20, 8:10 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard | 65 min |
| Jun 20, 8:28 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 62 min |
| Jun 21, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 29 min |
| Jun 21, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Prince George's | 54 min |
| Jun 22, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 6 more | 5 hr |
| Jun 22, 3:56 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 49 min |
| Jun 22, 4:30 PM EDT | Flash Flood Warning | LWX | Allegany | 3 hr |
| Jun 22, 4:34 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 41 min |
| Jun 22, 4:43 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 47 min |
| Jun 22, 5:34 PM EDT | Flash Flood Warning | LWX | Montgomery | 116 min |
| Jun 22, 6:03 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 57 min |
| Jun 22, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 35 min |
| Jun 22, 6:58 PM EDT | Flash Flood Warning | LWX | Carroll | 3 hr |
| Jun 22, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more | 4 hr |
| Jun 22, 7:07 PM EDT | Flash Flood Warning | PHI | Cecil | 113 min |
| Jun 22, 7:24 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Jun 22, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 47 min |
| Jun 22, 8:41 PM EDT | Flash Flood Warning | LWX | Howard | 3 hr |
| Jun 22, 9:55 PM EDT | Flash Flood Warning | LWX | Carroll | 3 hr |
| Jun 22, 10:30 PM EDT | Flash Flood Warning | LWX | Montgomery | 3 hr |
| Jun 22, 10:41 PM EDT | Flash Flood Warning | LWX | Howard | 3 hr |
| Jun 23, 1:03 AM EDT | Flash Flood Warning | LWX | Carroll | 57 min |
| Jun 27, 5:48 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Jun 30, 2:20 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
| Jun 30, 4:54 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 51 min |
| Jun 30, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 63 min |
| Jun 30, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 43 min |
| Jul 1, 3:49 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 41 min |
| Jul 1, 3:49 PM EDT | Severe Thunderstorm Warning | LWX | Carroll | 41 min |
| Jul 1, 4:15 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 60 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 33 min |
| Jul 1, 4:30 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Cecil, Frederick and 8 more | 5 hr |
| Jul 1, 4:53 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's | 37 min |
| Jul 1, 5:02 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 28 min |
| Jul 1, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 37 min |
| Jul 1, 5:59 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 46 min |
| Jul 1, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 24 min |
| Jul 1, 6:30 PM EDT | Severe Thunderstorm Watch | SPC | Calvert, Caroline, Charles, Dorchester, Prince George's, Queen Anne's and 5 more | 6 hr |
| Jul 1, 6:33 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 42 min |
| Jul 1, 6:43 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 47 min |
| Jul 1, 7:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 30 min |
| Jul 4, 3:48 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 42 min |
| Jul 4, 8:14 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 46 min |
| Jul 4, 8:15 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 30 min |
| Jul 5, 3:48 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 27 min |
| Jul 5, 5:20 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 40 min |
| Jul 5, 5:32 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 28 min |
| Jul 5, 6:21 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard | 39 min |
| Jul 5, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 50 min |
| Jul 5, 6:34 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 56 min |
| Jul 5, 6:43 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 47 min |
| Jul 5, 6:45 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 60 min |
| Jul 5, 6:57 PM EDT | Tornado Warning | LWX | Baltimore, City of Baltimore | 33 min |
| Jul 5, 7:28 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 22 min |
| Jul 5, 7:48 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 27 min |
| Jul 5, 8:19 PM EDT | Severe Thunderstorm Warning | AKQ | Wicomico | 11 min |
| Jul 10, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 11 more | 7 hr |
| Jul 10, 3:40 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 65 min |
| Jul 10, 3:55 PM EDT | Tornado Warning | LWX | Carroll, Frederick | 50 min |
| Jul 10, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | Garrett | 7 hr |
| Jul 10, 4:31 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 29 min |
| Jul 10, 4:32 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 58 min |
| Jul 10, 4:32 PM EDT | Severe Thunderstorm Warning | LWX | City of Baltimore | 58 min |
| Jul 10, 4:40 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Howard | 65 min |
| Jul 10, 4:41 PM EDT | Tornado Warning | PBZ | Garrett | 49 min |
| Jul 10, 4:47 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 58 min |
| Jul 10, 4:53 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 52 min |
| Jul 10, 5:23 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 37 min |
| Jul 10, 6:30 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 45 min |
| Jul 11, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | Saint Mary's, Somerset, Worcester | 6 hr |
| Jul 26, 12:48 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Jul 29, 12:20 PM EDT | Flash Flood Warning | PBZ | Garrett | 2 hr |
| Jul 29, 2:30 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Aug 3, 4:46 PM EDT | Flash Flood Warning | LWX | Allegany | 3 hr |
| Aug 3, 4:58 PM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Aug 4, 8:05 PM EDT | Flash Flood Warning | PBZ | Garrett | 115 min |
| Aug 10, 3:28 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 47 min |
| Aug 10, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 46 min |
| Aug 10, 6:10 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 50 min |
| Aug 10, 6:23 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's | 37 min |
| Aug 10, 6:31 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 14 min |
| Aug 11, 2:23 PM EDT | Flash Flood Warning | LWX | Harford | 97 min |
| Aug 11, 4:16 PM EDT | Flash Flood Warning | LWX | Howard, Montgomery, Prince George's | 2 hr |
| Aug 11, 5:11 PM EDT | Flash Flood Warning | PHI | Queen Anne's | 2 hr |
| Aug 11, 5:26 PM EDT | Flash Flood Warning | PHI | Caroline, Talbot | 2 hr |
| Aug 11, 7:22 PM EDT | Flash Flood Warning | PHI | Caroline, Queen Anne's, Talbot | 83 min |
| Aug 11, 8:00 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 60 min |
| Aug 12, 11:30 AM EDT | Flash Flood Warning | PBZ | Garrett | 3 hr |
| Aug 19, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Garrett | 5 hr |
| Aug 27, 5:14 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 31 min |
| Aug 27, 6:10 PM EDT | Flash Flood Warning | PHI | Cecil | 35 min |
| Aug 27, 6:30 PM EDT | Flash Flood Warning | PHI | Cecil | 90 min |
| Aug 28, 12:10 AM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 35 min |
| Aug 28, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Garrett | 47 min |
| Aug 30, 1:31 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 29 min |
| Aug 30, 1:38 PM EDT | Flash Flood Warning | LWX | Anne Arundel | 2 hr |
| Aug 30, 3:28 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 47 min |
| Aug 30, 5:57 PM EDT | Flash Flood Warning | LWX | Anne Arundel | 2 hr |
| Aug 30, 7:03 PM EDT | Flash Flood Warning | LWX | Howard | 117 min |
| Aug 30, 7:46 PM EDT | Flash Flood Warning | LWX | Charles | 119 min |
| Aug 30, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 28 min |
| Aug 31, 9:26 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 49 min |
| Aug 31, 9:44 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, City of Baltimore | 46 min |
| Sep 24, 1:30 PM EDT | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more | 7 hr |
| Sep 24, 5:10 PM EDT | Tornado Warning | LWX | Montgomery, Prince George's | 35 min |
| Sep 24, 5:31 PM EDT | Tornado Warning | LWX | Anne Arundel, Howard | 29 min |
| Sep 24, 6:15 PM EDT | Flash Flood Warning | LWX | Frederick | 2 hr |
| Sep 24, 8:25 PM EDT | Flash Flood Warning | LWX | Frederick | 110 min |
| Sep 24, 9:06 PM EDT | Flash Flood Warning | LWX | Montgomery | 114 min |
| Nov 25, 3:35 PM EST | Severe Thunderstorm Warning | LWX | Montgomery | 25 min |
| Nov 25, 3:55 PM EST | Severe Thunderstorm Warning | LWX | Howard | 35 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 | 115 |
| Tornado Warning | 9 |
| Severe Thunderstorm Watch | 16 |
| Tornado Watch | 2 |
| Flooding | |
| Flash Flood Warning | 33 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Montgomery County25
- Prince George's County25
- Anne Arundel County24
- Howard County24
- Baltimore County23
- Carroll County23
- City of Baltimore21
- Charles County21
- Queen Anne's County21
- Frederick County19
- Caroline County18
- Kent County17
- Cecil County17
- Talbot County16
- Garrett County16
- Calvert County14
- Harford County14
- Dorchester County13
- Saint Mary's County13
- Washington County10
- Allegany County9
- Somerset County6
- Worcester County6
- Wicomico County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20002002
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.