Alert archive / Maryland / 2010

Weather alerts in Maryland, September 2010

128 weather alerts in September 2010, 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 September 2010. Tap one for its archive.

Alerts
128
Warnings
53
Watches
14
Advisories
13
Busiest day
September 30, 201043 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.

IssuedProductOfficeCountiesLasted
Sep 1, 3:28 PM EDTCoastal Flood WatchLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more24 hr
Sep 1, 5:13 PM EDTTropical Storm WarningAKQWorcester48 hr
Sep 2, 3:14 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more24 hr
Sep 3, 5:22 PM EDTCoastal Flood StatementAKQWorcester27 hr
Sep 4, 4:19 AM EDTRed Flag WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot13 hr
Sep 7, 4:27 AM EDTFire Weather WatchPHICecil, Kent, Queen Anne's11 hr
Sep 7, 2:39 PM EDTFire Weather WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more19 hr
Sep 7, 3:42 PM EDTRed Flag WarningPHICecil, Kent, Queen Anne's27 hr
Sep 7, 9:44 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more13 hr
Sep 8, 9:42 AM EDTRed Flag WarningLWXAllegany, Anne Arundel, Baltimore, Carroll, Frederick, Prince George's and 2 more9 hr
Sep 13, 5:36 AM EDTDense Fog AdvisoryLWXFrederick, Washington3 hr
Sep 14, 11:00 AM EDTRed Flag WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot7 hr
Sep 16, 4:16 PM EDTSpecial Weather StatementPHICecil44 min
Sep 16, 4:23 PM EDTSevere Thunderstorm WarningPHICecil, Kent43 min
Sep 16, 4:36 PM EDTSevere Thunderstorm WarningPHICecil, Kent54 min
Sep 16, 8:45 PM EDTSpecial Weather StatementPBZGarrett60 min
Sep 16, 9:17 PM EDTSpecial Weather StatementPBZGarrett58 min
Sep 16, 9:46 PM EDTSevere Thunderstorm WarningPBZGarrett28 min
Sep 16, 10:06 PM EDTSpecial Weather StatementLWXAllegany24 min
Sep 16, 10:41 PM EDTSpecial Weather StatementLWXWashington49 min
Sep 16, 10:54 PM EDTSevere Thunderstorm WarningLWXAllegany, Frederick, Washington51 min
Sep 16, 11:51 PM EDTSpecial Weather StatementLWXCarroll, Frederick24 min
Sep 18, 8:43 AM EDTCoastal Flood StatementAKQWorcester3 days
Sep 22, 10:54 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more10 hr
Sep 22, 2:31 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Carroll, Charles, Frederick, Harford and 4 more59 min
Sep 22, 2:34 PM EDTSevere Thunderstorm WatchSPCGarrett6 hr
Sep 22, 2:45 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more7 hr
Sep 22, 2:49 PM EDTSevere Thunderstorm WarningLWXMontgomery41 min
Sep 22, 3:10 PM EDTMesoscale DiscussionSPCCecil65 min
Sep 22, 3:43 PM EDTSevere Thunderstorm WatchSPCCaroline, Cecil, Kent, Queen Anne's, Talbot7 hr
Sep 22, 4:37 PM EDTSpecial Weather StatementLWXBaltimore38 min
Sep 22, 4:46 PM EDTMesoscale DiscussionSPCAllegany, Baltimore, Carroll, Cecil, Garrett, Harford and 1 more59 min
Sep 22, 4:48 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Harford42 min
Sep 22, 5:27 PM EDTSpecial Weather StatementPHICecil48 min
Sep 22, 7:03 PM EDTSpecial Weather StatementLWXFrederick27 min
Sep 22, 7:14 PM EDTMesoscale DiscussionSPCCarroll, Cecil, Harford, Washington61 min
Sep 22, 7:29 PM EDTSpecial Weather StatementLWXCarroll31 min
Sep 22, 7:31 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Montgomery, Prince George's44 min
Sep 22, 7:53 PM EDTSpecial Weather StatementLWXBaltimore52 min
Sep 22, 7:57 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's48 min
Sep 22, 8:02 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Harford43 min
Sep 22, 8:39 PM EDTSevere Thunderstorm WarningLWXAnne Arundel26 min
Sep 22, 8:43 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford35 min
Sep 22, 8:43 PM EDTSevere Thunderstorm WarningPHICecil, Kent47 min
Sep 22, 9:03 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's57 min
Sep 22, 9:10 PM EDTSevere Thunderstorm WarningPHICecil, Kent65 min
Sep 22, 10:49 PM EDTSpecial Weather StatementPHICaroline56 min
Sep 24, 7:30 AM EDTDense Fog AdvisoryLWXAnne Arundel, Baltimore, Carroll, Frederick, Prince George's, City of Baltimore114 min
Sep 27, 3:43 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more28 hr
Sep 27, 10:41 AM EDTCoastal Flood WatchLWXAnne Arundel, Baltimore, Calvert, Saint Mary's, City of Baltimore16 hr
Sep 27, 10:41 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more39 hr
Sep 27, 12:03 PM EDTSpecial Weather StatementLWXHoward42 min
Sep 27, 12:07 PM EDTSpecial Weather StatementLWXCarroll38 min
Sep 27, 12:12 PM EDTTornado WarningLWXHoward33 min
Sep 27, 12:17 PM EDTSpecial Weather StatementLWXMontgomery58 min
Sep 27, 12:34 PM EDTSpecial Weather StatementLWXCarroll41 min
Sep 27, 12:37 PM EDTSpecial Weather StatementLWXMontgomery38 min
Sep 27, 12:38 PM EDTTornado WarningLWXBaltimore, Carroll26 min
Sep 27, 1:03 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 6 more87 min
Sep 27, 1:12 PM EDTSpecial Weather StatementLWXHoward48 min
Sep 27, 1:21 PM EDTFlash Flood WarningLWXHoward, Montgomery3 hr
Sep 27, 1:38 PM EDTFlash Flood WarningLWXBaltimore, Carroll, Howard3 hr
Sep 27, 3:48 PM EDTSpecial Weather StatementAKQDorchester42 min
Sep 27, 6:14 PM EDTCoastal Flood WarningLWXAnne Arundel, Baltimore, City of Baltimore16 hr
Sep 28, 6:13 AM EDTSpecial Weather StatementPHICecil, Kent, Queen Anne's, Talbot47 min
Sep 28, 6:44 AM EDTSevere Thunderstorm WarningLWXAllegany, Washington46 min
Sep 28, 7:02 AM EDTSpecial Weather StatementPHICaroline58 min
Sep 28, 8:00 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Dorchester and 9 more2 hr
Sep 28, 8:26 AM EDTSpecial Weather StatementPHIQueen Anne's, Talbot64 min
Sep 28, 8:47 AM EDTSpecial Weather StatementPHICecil, Kent58 min
Sep 28, 9:13 AM EDTTornado WarningPHICaroline, Kent, Queen Anne's, Talbot32 min
Sep 28, 9:26 AM EDTSpecial Weather StatementPHICecil64 min
Sep 28, 9:44 AM EDTTornado WarningPHICecil, Kent, Queen Anne's, Talbot31 min
Sep 28, 10:22 AM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's53 min
Sep 28, 10:41 AM EDTSpecial Weather StatementPHICaroline64 min
Sep 28, 2:02 PM EDTSpecial Weather StatementAKQWorcester58 min
Sep 29, 2:21 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more50 hr
Sep 29, 2:41 AM EDTCoastal Flood WatchLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more18 hr
Sep 29, 3:52 AM EDTFlood WatchPHICaroline, Cecil, Kent, Queen Anne's, Talbot49 hr
Sep 29, 4:41 AM EDTFlash Flood WatchAKQDorchester, Somerset, Wicomico, Worcester47 hr
Sep 29, 2:45 PM EDTWind AdvisoryLWXAnne Arundel, Calvert, Saint Mary's23 hr
Sep 29, 3:19 PM EDTCoastal Flood AdvisoryPHICaroline, Kent, Queen Anne's, Talbot30 hr
Sep 29, 3:24 PM EDTWind AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot38 hr
Sep 29, 4:00 PM EDTWind AdvisoryAKQWorcester28 hr
Sep 29, 4:07 PM EDTHigh Surf AdvisoryAKQWorcester38 hr
Sep 29, 8:48 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more25 hr
Sep 30, 3:57 AM EDTTornado WarningLWXAnne Arundel, Calvert, Saint Mary's33 min
Sep 30, 4:02 AM EDTMesoscale DiscussionSPCCaroline, Dorchester, Saint Mary's, Somerset, Wicomico, Worcester118 min
Sep 30, 4:55 AM EDTTornado WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more8 hr
Sep 30, 4:57 AM EDTFlash Flood WarningLWXAnne Arundel, Calvert, Charles, Montgomery, Prince George's, Saint Mary's6 hr
Sep 30, 6:06 AM EDTAreal Flood WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot4 hr
Sep 30, 6:08 AM EDTSpecial Weather StatementLWXSaint Mary's52 min
Sep 30, 6:17 AM EDTTornado WarningLWXCalvert, Saint Mary's28 min
Sep 30, 6:39 AM EDTFlash Flood WarningLWXAnne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 2 more6 hr
Sep 30, 7:06 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico29 hr
Sep 30, 7:32 AM EDTSpecial Weather StatementLWXSaint Mary's43 min
Sep 30, 8:00 AM EDTTornado WarningPHIKent45 min
Sep 30, 8:09 AM EDTCoastal Flood WarningLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more21 hr
Sep 30, 8:25 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more95 min
Sep 30, 8:45 AM EDTSevere Thunderstorm WarningLWXHarford45 min
Sep 30, 8:58 AM EDTTornado WarningLWXCalvert, Saint Mary's47 min
Sep 30, 9:28 AM EDTTornado WarningLWXAnne Arundel47 min
Sep 30, 9:49 AM EDTTornado WarningLWXAnne Arundel, Calvert26 min
Sep 30, 9:51 AM EDTRiver Flood WarningLWXMontgomery24 hr
Sep 30, 10:29 AM EDTFlash Flood WarningLWXFrederick, Washington4 hr
Sep 30, 10:38 AM EDTFlash Flood WarningLWXAnne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 1 more6 hr
Sep 30, 10:49 AM EDTSevere Thunderstorm WarningLWXHoward, Montgomery, Prince George's26 min
Sep 30, 10:49 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 12 more116 min
Sep 30, 11:12 AM EDTRiver Flood WarningLWXFrederick5 hr
Sep 30, 11:12 AM EDTRiver Flood WarningLWXFrederick18 hr
Sep 30, 11:12 AM EDTRiver Flood WarningLWXWashington18 hr
Sep 30, 11:21 AM EDTSpecial Weather StatementPHIKent, Talbot39 min
Sep 30, 12:15 PM EDTSpecial Weather StatementPHIQueen Anne's45 min
Sep 30, 12:22 PM EDTFlash Flood WarningLWXAnne Arundel, Baltimore, Carroll, Frederick, Harford, Howard and 2 more6 hr
Sep 30, 12:39 PM EDTTornado WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 7 more6 hr
Sep 30, 1:37 PM EDTSpecial Weather StatementPHIQueen Anne's, Talbot38 min
Sep 30, 1:48 PM EDTAreal Flood WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot6 hr
Sep 30, 3:15 PM EDTSpecial Weather StatementPHICaroline45 min
Sep 30, 3:16 PM EDTMesoscale DiscussionSPCCaroline, Cecil, Dorchester, Harford, Kent, Queen Anne's and 4 more119 min
Sep 30, 3:47 PM EDTSpecial Weather StatementPHICaroline58 min
Sep 30, 4:30 PM EDTFlash Flood WarningLWXAnne Arundel, Calvert, Saint Mary's6 hr
Sep 30, 4:40 PM EDTFlash Flood WarningLWXCarroll, Frederick, Howard, Montgomery, Washington11 hr
Sep 30, 5:43 PM EDTMesoscale DiscussionSPCSomerset92 min
Sep 30, 6:13 PM EDTFlash Flood WarningLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Harford and 5 more6 hr
Sep 30, 6:23 PM EDTSpecial Weather StatementPHICaroline37 min
Sep 30, 7:40 PM EDTCoastal Flood WarningAKQDorchester, Wicomico6 hr
Sep 30, 7:49 PM EDTCoastal Flood WarningPHICaroline, Kent, Queen Anne's, Talbot6 hr
Sep 30, 7:50 PM EDTAreal Flood WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot16 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20092011

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.