Alert archive / Maryland / 2020

Weather alerts in Maryland, March 2020

37 weather alerts in March 2020, 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 March 2020. Tap one for its archive.

Alerts
37
Warnings
7
Watches
0
Advisories
16
Busiest day
March 4, 202010 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
Mar 3, 1:22 PM ESTMesoscale DiscussionSPCAllegany, Garrett113 min
Mar 3, 4:27 PM ESTMesoscale DiscussionSPCAllegany, Carroll, Frederick, Garrett, Washington2 hr
Mar 3, 6:50 PM ESTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 6 more2 hr
Mar 3, 8:09 PM ESTSpecial Weather StatementPHICecil51 min
Mar 3, 9:09 PM ESTSevere Thunderstorm WarningPHICecil51 min
Mar 3, 9:20 PM ESTSpecial Weather StatementPBZGarrett25 min
Mar 3, 10:03 PM ESTSevere Thunderstorm WarningLWXAllegany, Washington27 min
Mar 3, 10:26 PM ESTSevere Thunderstorm WarningLWXAllegany, Frederick, Washington34 min
Mar 3, 10:39 PM ESTSpecial Weather StatementAKQWicomico51 min
Mar 3, 10:52 PM ESTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 12 more113 min
Mar 3, 10:54 PM ESTSevere Thunderstorm WarningLWXCarroll, Frederick, Montgomery, Washington36 min
Mar 3, 11:48 PM ESTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Montgomery, Prince George's42 min
Mar 3, 11:49 PM ESTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more41 min
Mar 6, 3:58 PM ESTCoastal Flood StatementAKQWorcester16 hr
Mar 8, 3:56 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Harford8 hr
Mar 12, 8:28 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's15 hr
Mar 14, 1:30 PM EDTWinter Weather AdvisoryLWXAllegany22 hr
Mar 14, 2:12 PM EDTWinter Weather AdvisoryPBZ21 hr
Mar 20, 2:18 AM EDTDense Fog AdvisoryLWXAnne Arundel, Baltimore, Carroll, Harford, Howard, City of Baltimore7 hr
Mar 20, 2:32 AM EDTDense Fog AdvisoryPHICecil, Kent6 hr
Mar 20, 12:21 PM EDTSpecial Weather StatementPBZGarrett54 min
Mar 22, 3:06 AM EDTHigh Surf AdvisoryAKQWorcester41 hr
Mar 23, 8:35 AM EDTCoastal Flood StatementAKQDorchester7 hr
Mar 25, 9:02 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's10 hr
Mar 26, 2:04 PM EDTCoastal Flood AdvisoryLWXAnne Arundel7 hr
Mar 26, 10:00 PM EDTCoastal Flood AdvisoryLWXHarford4 hr
Mar 26, 10:03 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico8 hr
Mar 27, 3:31 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Harford, Saint Mary's and 1 more10 hr
Mar 27, 6:05 AM EDTCoastal Flood StatementAKQDorchester115 min
Mar 28, 11:26 AM EDTSpecial Weather StatementPHIKent34 min
Mar 28, 5:38 PM EDTSevere Thunderstorm WarningPBZGarrett37 min
Mar 28, 5:51 PM EDTMesoscale DiscussionSPCAllegany, Garrett84 min
Mar 29, 3:32 AM EDTDense Fog AdvisoryLWXWashington7 hr
Mar 29, 1:58 PM EDTWind AdvisoryPBZ7 hr
Mar 29, 11:16 PM EDTDense Fog AdvisoryLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 6 more5 hr
Mar 30, 3:44 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Saint Mary's9 hr
Mar 31, 5:05 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico, Worcester53 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 archive20192021

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.