Alert archive / Maryland / River Flood Warnings

River Flood Warnings in Maryland, 2018

68 river flood warnings in 2018. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood warnings reaches back to 2005.

River Flood Warnings by county

Each county as a circle sized by its count in 2018. Tap one for its archive.

River Flood Warnings
68
Busiest month
September24 river flood warnings
Busiest day
September 28, 201810 river flood warnings

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
Feb 16, 1:36 PM ESTRiver Flood WarningLWXGarrett11 hr
Apr 16, 10:17 PM EDTRiver Flood WarningLWXWashington32 hr
Apr 18, 6:17 AM EDTRiver Flood WarningLWXMontgomery8 hr
May 17, 6:57 AM EDTRiver Flood WarningLWXFrederick27 hr
May 17, 3:27 PM EDTRiver Flood WarningLWXMontgomery18 hr
May 17, 3:40 PM EDTRiver Flood WarningLWXAllegany31 hr
May 17, 3:42 PM EDTRiver Flood WarningLWXWashington4 days
May 17, 3:43 PM EDTRiver Flood WarningLWXWashington36 hr
May 17, 3:43 PM EDTRiver Flood WarningLWXFrederick4 days
May 17, 3:44 PM EDTRiver Flood WarningLWXMontgomery4 days
May 17, 3:44 PM EDTRiver Flood WarningLWXMontgomery3 days
Jun 2, 5:52 PM EDTRiver Flood WarningLWXWashington67 hr
Jun 2, 9:45 PM EDTRiver Flood WarningLWXAllegany31 hr
Jun 3, 12:15 PM EDTRiver Flood WarningLWXWashington42 hr
Jun 3, 12:20 PM EDTRiver Flood WarningLWXFrederick54 hr
Jun 3, 12:27 PM EDTRiver Flood WarningLWXMontgomery66 hr
Jun 3, 1:59 PM EDTRiver Flood WarningLWXWashington31 hr
Jun 3, 3:35 PM EDTRiver Flood WarningLWXWashington30 hr
Jun 3, 3:48 PM EDTRiver Flood WarningLWXMontgomery53 hr
Jun 24, 2:22 AM EDTRiver Flood WarningLWXMontgomery14 hr
Jul 21, 9:05 PM EDTRiver Flood WarningLWXMontgomery26 hr
Jul 22, 2:56 AM EDTRiver Flood WarningLWXFrederick3 days
Jul 23, 10:41 AM EDTRiver Flood WarningLWXMontgomery35 hr
Jul 24, 10:20 AM EDTRiver Flood WarningLWXWashington54 hr
Jul 24, 10:21 AM EDTRiver Flood WarningLWXWashington39 hr
Jul 25, 8:16 PM EDTRiver Flood WarningPHICecil, Harford56 hr
Jul 27, 4:52 PM EDTRiver Flood WarningLWXMontgomery7 hr
Aug 2, 7:00 PM EDTRiver Flood WarningLWXWashington8 hr
Aug 3, 12:12 AM EDTRiver Flood WarningLWXAllegany3 hr
Aug 3, 12:25 AM EDTRiver Flood WarningLWXAllegany3 hr
Aug 4, 11:14 AM EDTRiver Flood WarningLWXFrederick16 hr
Sep 9, 12:46 PM EDTRiver Flood WarningLWXAllegany28 hr
Sep 9, 12:48 PM EDTRiver Flood WarningLWXWashington52 hr
Sep 9, 12:50 PM EDTRiver Flood WarningLWXFrederick48 hr
Sep 9, 12:54 PM EDTRiver Flood WarningLWXWashington71 hr
Sep 9, 1:20 PM EDTRiver Flood WarningLWXAllegany8 hr
Sep 9, 5:58 PM EDTRiver Flood WarningLWXAllegany23 hr
Sep 9, 6:06 PM EDTRiver Flood WarningLWXFrederick59 hr
Sep 9, 6:10 PM EDTRiver Flood WarningLWXMontgomery69 hr
Sep 10, 4:47 AM EDTRiver Flood WarningLWXMontgomery49 hr
Sep 10, 8:00 AM EDTRiver Flood WarningLWXAllegany8 hr
Sep 13, 5:02 PM EDTRiver Flood WarningLWXWashington7 hr
Sep 26, 11:00 AM EDTRiver Flood WarningLWXWashington21 hr
Sep 27, 12:08 AM EDTRiver Flood WarningLWXMontgomery13 hr
Sep 27, 1:37 PM EDTRiver Flood WarningLWXAllegany14 hr
Sep 27, 9:26 PM EDTRiver Flood WarningLWXWashington61 hr
Sep 27, 9:31 PM EDTRiver Flood WarningLWXMontgomery3 days
Sep 27, 11:37 PM EDTRiver Flood WarningLWXMontgomery11 hr
Sep 27, 11:45 PM EDTRiver Flood WarningLWXGarrett4 hr
Sep 28, 3:46 AM EDTRiver Flood WarningLWXFrederick56 hr
Sep 28, 3:49 AM EDTRiver Flood WarningLWXMontgomery56 hr
Sep 28, 3:54 AM EDTRiver Flood WarningLWXWashington22 hr
Sep 28, 3:55 AM EDTRiver Flood WarningLWXFrederick22 hr
Sep 28, 9:53 AM EDTRiver Flood WarningLWXAllegany16 hr
Sep 28, 9:54 AM EDTRiver Flood WarningLWXWashington32 hr
Nov 24, 6:58 PM ESTRiver Flood WarningLWXMontgomery16 hr
Nov 25, 4:44 AM ESTRiver Flood WarningLWXFrederick14 hr
Dec 15, 11:30 AM ESTRiver Flood WarningLWXAllegany11 hr
Dec 15, 3:01 PM ESTRiver Flood WarningLWXAllegany30 hr
Dec 15, 3:03 PM ESTRiver Flood WarningLWXWashington61 hr
Dec 15, 3:13 PM ESTRiver Flood WarningLWXFrederick63 hr
Dec 15, 3:15 PM ESTRiver Flood WarningLWXMontgomery3 days
Dec 15, 3:25 PM ESTRiver Flood WarningLWXMontgomery23 hr
Dec 16, 3:20 AM ESTRiver Flood WarningLWXWashington38 hr
Dec 16, 3:21 AM ESTRiver Flood WarningLWXMontgomery65 hr
Dec 16, 3:21 AM ESTRiver Flood WarningLWXFrederick24 hr
Dec 20, 5:32 PM ESTRiver Flood WarningLWXAllegany11 hr
Dec 22, 2:19 PM ESTRiver Flood WarningLWXMontgomery38 hr

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.

  1. September 28, 201810river flood warnings
  2. May 17, 20188river flood warnings
  3. September 9, 20188river flood warnings
  4. June 3, 20187river flood warnings
  5. December 15, 20186river flood warnings
  6. December 16, 20183river flood warnings
  7. July 22, 20182river flood warnings
  8. July 24, 20182river flood warnings
  9. August 3, 20182river flood warnings
  10. September 10, 20182river flood warnings
  11. September 27, 20182river flood warnings
  12. February 16, 20181river flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.