Alert archive / Maryland

Weather alerts in Maryland, 1990

89 weather alerts in 1990, 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 1990. Tap one for its archive.

Alerts
89
Warnings
89
Watches
0
Advisories
0
Busiest month
July33 alerts
Busiest day
July 1, 199011 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.

IssuedProductOfficeCountiesLasted
Apr 1, 7:40 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington65 min
Apr 2, 4:41 PM EDTSevere Thunderstorm WarningLWXFrederick64 min
Apr 2, 5:25 PM EDTSevere Thunderstorm WarningLWXMontgomery65 min
May 10, 3:47 PM EDTSevere Thunderstorm WarningLWXPrince George's58 min
May 10, 4:59 PM EDTSevere Thunderstorm WarningLWXDorchester46 min
May 10, 4:59 PM EDTSevere Thunderstorm WarningLWXCalvert, Saint Mary's46 min
May 10, 5:48 PM EDTSevere Thunderstorm WarningLWXCaroline, Dorchester27 min
May 10, 6:58 PM EDTSevere Thunderstorm WarningLWXWicomico47 min
May 13, 4:16 PM EDTTornado WarningLWXFrederick29 min
May 13, 4:19 PM EDTTornado WarningLWXCarroll41 min
May 13, 5:21 PM EDTFlash Flood WarningLWXCarroll2 hr
May 13, 5:49 PM EDTSevere Thunderstorm WarningLWXCharles56 min
May 16, 7:39 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington66 min
Jun 3, 6:01 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Howard, City of Baltimore59 min
Jun 8, 5:00 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington60 min
Jun 8, 5:59 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery61 min
Jun 8, 6:27 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll93 min
Jun 8, 6:27 PM EDTSevere Thunderstorm WarningLWXCecil, Harford93 min
Jun 8, 7:18 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard57 min
Jun 8, 8:10 PM EDTTornado WarningLWXQueen Anne's, Talbot35 min
Jun 8, 8:30 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard30 min
Jun 9, 5:19 PM EDTFlash Flood WarningRLXGarrett116 min
Jun 9, 5:19 PM EDTSevere Thunderstorm WarningRLXGarrett116 min
Jun 9, 5:21 PM EDTSevere Thunderstorm WarningLWXMontgomery69 min
Jun 9, 5:30 PM EDTSevere Thunderstorm WarningLWXCarroll, Howard90 min
Jun 9, 5:55 PM EDTSevere Thunderstorm WarningLWXMontgomery65 min
Jun 9, 6:47 PM EDTSevere Thunderstorm WarningLWXCecil, Harford58 min
Jun 18, 3:54 PM EDTSevere Thunderstorm WarningLWXFrederick66 min
Jun 18, 3:57 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll63 min
Jun 18, 4:17 PM EDTSevere Thunderstorm WarningLWXMontgomery28 min
Jun 18, 4:24 PM EDTSevere Thunderstorm WarningLWXHoward66 min
Jun 18, 4:34 PM EDTSevere Thunderstorm WarningLWXMontgomery41 min
Jun 30, 8:28 PM EDTSevere Thunderstorm WarningRLXAllegany62 min
Jun 30, 8:47 PM EDTSevere Thunderstorm WarningRLXGarrett58 min
Jun 30, 9:51 PM EDTSevere Thunderstorm WarningRLXGarrett69 min
Jun 30, 11:17 PM EDTFlash Flood WarningRLXGarrett3 hr
Jun 30, 11:17 PM EDTSevere Thunderstorm WarningRLXGarrett3 hr
Jul 1, 2:05 AM EDTFlash Flood WarningRLXGarrett55 min
Jul 1, 2:00 PM EDTSevere Thunderstorm WarningLWXMontgomery60 min
Jul 1, 2:59 PM EDTSevere Thunderstorm WarningLWXPrince George's61 min
Jul 1, 3:29 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Saint Mary's61 min
Jul 1, 3:50 PM EDTTornado WarningLWXCharles, Saint Mary's40 min
Jul 1, 5:05 PM EDTSevere Thunderstorm WarningLWXWicomico, Worcester55 min
Jul 5, 3:25 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford65 min
Jul 5, 3:26 PM EDTSevere Thunderstorm WarningLWXWashington64 min
Jul 5, 3:43 PM EDTSevere Thunderstorm WarningLWXFrederick62 min
Jul 5, 3:53 PM EDTSevere Thunderstorm WarningLWXCecil37 min
Jul 5, 4:05 PM EDTSevere Thunderstorm WarningLWXCarroll40 min
Jul 5, 7:38 PM EDTSevere Thunderstorm WarningLWXWorcester52 min
Jul 9, 6:57 PM EDTSevere Thunderstorm WarningRLXGarrett63 min
Jul 9, 8:29 PM EDTSevere Thunderstorm WarningRLXGarrett61 min
Jul 11, 5:25 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's65 min
Jul 12, 5:54 PM EDTSevere Thunderstorm WarningLWXMontgomery66 min
Jul 12, 7:37 PM EDTFlash Flood WarningLWXBaltimore, Cecil, Harford2 hr
Jul 12, 7:37 PM EDTFlash Flood WarningLWXQueen Anne's2 hr
Jul 12, 7:37 PM EDTFlash Flood WarningLWXAnne Arundel, City of Baltimore2 hr
Jul 12, 11:34 PM EDTFlash Flood WarningRLXGarrett116 min
Jul 12, 11:50 PM EDTFlash Flood WarningRLXAllegany115 min
Jul 13, 12:42 AM EDTFlash Flood WarningRLXAllegany, Garrett3 hr
Jul 13, 5:22 AM EDTFlash Flood WarningRLXGarrett3 hr
Jul 14, 11:25 AM EDTTornado WarningLWXCaroline50 min
Jul 15, 2:49 PM EDTFlash Flood WarningRLXAllegany116 min
Jul 15, 4:06 PM EDTFlash Flood WarningLWXWashington2 hr
Jul 15, 4:49 PM EDTFlash Flood WarningLWXWashington116 min
Jul 15, 5:44 PM EDTFlash Flood WarningLWXFrederick61 min
Aug 13, 6:56 PM EDTSevere Thunderstorm WarningLWXKent, Queen Anne's64 min
Aug 13, 8:21 PM EDTSevere Thunderstorm WarningLWXPrince George's69 min
Aug 13, 9:12 PM EDTSevere Thunderstorm WarningLWXCaroline, Kent, Queen Anne's63 min
Aug 29, 6:29 PM EDTSevere Thunderstorm WarningLWXHarford91 min
Aug 29, 6:29 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll81 min
Aug 29, 7:22 PM EDTSevere Thunderstorm WarningLWXCecil, Harford68 min
Sep 6, 7:13 PM EDTSevere Thunderstorm WarningRLXGarrett2 hr
Sep 7, 5:33 PM EDTSevere Thunderstorm WarningLWXWicomico, Worcester42 min
Sep 12, 4:21 PM EDTSevere Thunderstorm WarningRLXGarrett2 hr
Sep 16, 4:41 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery2 hr
Sep 16, 4:57 PM EDTSevere Thunderstorm WarningLWXMontgomery2 hr
Sep 16, 5:30 PM EDTSevere Thunderstorm WarningLWXPrince George's90 min
Oct 13, 2:12 AM EDTFlash Flood WarningLWXFrederick3 hr
Oct 13, 4:16 AM EDTFlash Flood WarningLWXWashington3 hr
Oct 18, 3:52 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's68 min
Oct 18, 4:13 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, City of Baltimore62 min
Oct 18, 4:13 PM EDTSevere Thunderstorm WarningLWXHoward62 min
Oct 18, 4:55 PM EDTSevere Thunderstorm WarningLWXPrince George's35 min
Oct 18, 5:12 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, City of Baltimore48 min
Oct 18, 5:12 PM EDTSevere Thunderstorm WarningLWXCalvert48 min
Oct 23, 6:45 AM EDTFlash Flood WarningLWXMontgomery3 hr
Oct 23, 7:51 AM EDTFlash Flood WarningRLXAllegany2 hr
Oct 23, 9:50 AM EDTFlash Flood WarningLWXMontgomery70 min
Dec 30, 8:30 PM ESTFlash Flood WarningRLXGarrett3 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.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive19891991

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.