Alert archive / Maryland / 2009

Weather alerts in Maryland, June 2009

158 weather alerts in June 2009, 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 June 2009. Tap one for its archive.

Alerts
158
Warnings
97
Watches
21
Advisories
12
Busiest day
June 9, 200939 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
Jun 2, 1:31 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more89 min
Jun 2, 1:58 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more6 hr
Jun 2, 4:18 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 11 more87 min
Jun 2, 4:40 PM EDTSevere Thunderstorm WarningLWXCharles50 min
Jun 2, 4:59 PM EDTSevere Thunderstorm WarningLWXCharles51 min
Jun 2, 5:30 PM EDTSevere Thunderstorm WarningLWXCharles56 min
Jun 2, 6:08 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Saint Mary's67 min
Jun 2, 6:40 PM EDTSevere Thunderstorm WarningAKQDorchester65 min
Jun 2, 6:47 PM EDTMesoscale DiscussionSPCCalvert, Charles, Dorchester, Saint Mary's, Somerset58 min
Jun 2, 7:00 PM EDTSevere Thunderstorm WarningLWXSaint Mary's30 min
Jun 2, 7:16 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset59 min
Jun 2, 9:07 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's38 min
Jun 2, 9:37 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's29 min
Jun 3, 4:39 AM EDTFlash Flood WatchLWXAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 3 more20 hr
Jun 3, 12:41 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Charles, Howard, Montgomery, Prince George's and 2 more64 min
Jun 3, 1:06 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more9 hr
Jun 3, 4:34 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 10 more86 min
Jun 3, 5:46 PM EDTSevere Thunderstorm WarningAKQWicomico, Worcester44 min
Jun 3, 6:01 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico44 min
Jun 3, 6:05 PM EDTSevere Thunderstorm WarningAKQWicomico40 min
Jun 3, 6:19 PM EDTSevere Thunderstorm WarningLWXCalvert, Saint Mary's41 min
Jun 3, 6:21 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's54 min
Jun 3, 6:44 PM EDTSevere Thunderstorm WarningLWXPrince George's46 min
Jun 3, 7:10 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more95 min
Jun 3, 7:18 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Montgomery, Prince George's42 min
Jun 3, 7:33 PM EDTFlash Flood WarningLWXMontgomery3 hr
Jun 3, 9:21 PM EDTFlash Flood WarningLWXCity of Baltimore3 hr
Jun 3, 10:10 PM EDTFlash Flood WarningLWXBaltimore2 hr
Jun 4, 4:28 AM EDTFlood WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 5 more38 hr
Jun 4, 2:29 PM EDTFlood WatchPBZ24 hr
Jun 4, 2:54 PM EDTFlood WatchPHICecil29 hr
Jun 5, 9:58 AM EDTAreal Flood WarningLWXMontgomery6 hr
Jun 5, 1:49 PM EDTMesoscale DiscussionSPCWorcester56 min
Jun 7, 9:21 PM EDTDense Fog AdvisoryAKQDorchester, Somerset, Wicomico, Worcester11 hr
Jun 9, 5:47 AM EDTSevere Thunderstorm WarningLWXMontgomery28 min
Jun 9, 6:01 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more59 min
Jun 9, 6:02 AM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's43 min
Jun 9, 6:51 AM EDTSevere Thunderstorm WarningLWXCharles39 min
Jun 9, 8:24 AM EDTSevere Thunderstorm WarningAKQWicomico39 min
Jun 9, 1:14 PM EDTSevere Thunderstorm WarningPBZGarrett61 min
Jun 9, 1:18 PM EDTFlash Flood WatchLWXAllegany, Baltimore, Carroll, Frederick, Prince George's, Washington and 1 more7 hr
Jun 9, 1:38 PM EDTMesoscale DiscussionSPCAllegany, Garrett97 min
Jun 9, 1:49 PM EDTFlash Flood WatchPHICecil5 hr
Jun 9, 2:03 PM EDTSevere Thunderstorm WarningPBZGarrett57 min
Jun 9, 2:07 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 9 more7 hr
Jun 9, 2:28 PM EDTSevere Thunderstorm WarningLWXAllegany47 min
Jun 9, 2:29 PM EDTFlash Flood WatchPBZ3 hr
Jun 9, 2:44 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington46 min
Jun 9, 2:52 PM EDTSevere Thunderstorm WarningLWXAllegany38 min
Jun 9, 3:04 PM EDTSevere Thunderstorm WarningLWXAllegany41 min
Jun 9, 3:05 PM EDTSevere Thunderstorm WarningPBZGarrett28 min
Jun 9, 3:09 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington51 min
Jun 9, 3:14 PM EDTTornado WarningPHICecil46 min
Jun 9, 3:29 PM EDTSevere Thunderstorm WarningPHICecil61 min
Jun 9, 3:43 PM EDTSevere Thunderstorm WarningLWXWashington47 min
Jun 9, 3:51 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Washington39 min
Jun 9, 4:03 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 5 more57 min
Jun 9, 4:19 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's56 min
Jun 9, 4:26 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Harford, Howard, Montgomery and 2 more49 min
Jun 9, 4:39 PM EDTSevere Thunderstorm WarningLWXHarford39 min
Jun 9, 4:52 PM EDTSevere Thunderstorm WarningLWXMontgomery53 min
Jun 9, 4:59 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Harford, Howard, Montgomery, Prince George's and 1 more61 min
Jun 9, 5:01 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore119 min
Jun 9, 5:13 PM EDTFlash Flood WarningLWXHarford2 hr
Jun 9, 5:13 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Calvert, Charles, Howard, Montgomery and 2 more62 min
Jun 9, 5:13 PM EDTSevere Thunderstorm WarningPHICaroline, Cecil, Kent, Queen Anne's, Talbot92 min
Jun 9, 5:18 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford, Howard, City of Baltimore57 min
Jun 9, 5:19 PM EDTAreal Flood WarningPHICecil71 min
Jun 9, 5:46 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Prince George's, Saint Mary's59 min
Jun 9, 6:15 PM EDTSevere Thunderstorm WarningAKQDorchester60 min
Jun 9, 6:17 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Saint Mary's43 min
Jun 9, 6:45 PM EDTSevere Thunderstorm WarningLWXCharles45 min
Jun 9, 7:05 PM EDTMesoscale DiscussionSPCSaint Mary's, Somerset, Wicomico, Worcester115 min
Jun 10, 1:57 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 5 more93 min
Jun 10, 5:42 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Harford48 min
Jun 10, 5:50 PM EDTFlash Flood WarningLWXMontgomery3 hr
Jun 10, 6:23 PM EDTFlash Flood WarningLWXCarroll3 hr
Jun 10, 6:25 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's50 min
Jun 10, 6:33 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Howard42 min
Jun 10, 6:51 PM EDTFlash Flood WarningLWXPrince George's3 hr
Jun 10, 6:59 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's46 min
Jun 10, 8:28 PM EDTFlash Flood WarningLWXBaltimore2 hr
Jun 11, 3:58 AM EDTFlash Flood WatchLWXAllegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 3 more24 hr
Jun 11, 11:51 AM EDTMesoscale DiscussionSPCAllegany, Carroll, Charles, Frederick, Howard, Montgomery and 2 more84 min
Jun 11, 1:59 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more3 hr
Jun 11, 5:58 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot47 min
Jun 11, 8:24 PM EDTMesoscale DiscussionSPCCalvert, Charles, Saint Mary's66 min
Jun 11, 10:01 PM EDTMesoscale DiscussionSPCBaltimore, Caroline, Carroll, Cecil, Harford, Kent and 2 more59 min
Jun 13, 3:02 PM EDTSevere Thunderstorm WarningPHICecil58 min
Jun 13, 4:50 PM EDTAreal Flood AdvisoryPHICaroline3 hr
Jun 13, 4:52 PM EDTSevere Thunderstorm WarningPHICaroline53 min
Jun 13, 4:59 PM EDTAreal Flood AdvisoryPHICecil4 hr
Jun 13, 8:09 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 4 more66 min
Jun 15, 2:52 PM EDTSevere Thunderstorm WarningPHIKent37 min
Jun 16, 4:11 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more3 days
Jun 17, 3:26 AM EDTCoastal Flood WatchLWXAnne Arundel, Baltimore, Calvert, Charles, Prince George's, Saint Mary's and 1 more12 hr
Jun 17, 1:23 PM EDTCoastal Flood AdvisoryPHICecil, Kent, Queen Anne's, Talbot19 hr
Jun 17, 9:00 PM EDTSevere Thunderstorm WarningPBZGarrett60 min
Jun 17, 9:22 PM EDTSevere Thunderstorm WarningPBZGarrett53 min
Jun 17, 9:23 PM EDTFlash Flood WatchLWXAllegany, Washington7 hr
Jun 17, 9:31 PM EDTMesoscale DiscussionSPCAllegany, Garrett59 min
Jun 17, 9:48 PM EDTCoastal Flood AdvisoryAKQDorchester5 hr
Jun 17, 9:56 PM EDTSevere Thunderstorm WatchSPCAllegany, Garrett3 hr
Jun 17, 10:17 PM EDTSevere Thunderstorm WarningPBZGarrett58 min
Jun 17, 11:27 PM EDTSevere Thunderstorm WarningPBZGarrett38 min
Jun 18, 12:06 AM EDTSevere Thunderstorm WarningLWXAllegany39 min
Jun 18, 12:20 AM EDTAreal Flood WarningPBZGarrett3 hr
Jun 18, 7:26 AM EDTFlash Flood WarningLWXAnne Arundel111 min
Jun 18, 11:23 AM EDTCoastal Flood AdvisoryAKQDorchester, Somerset, Wicomico16 hr
Jun 18, 11:40 AM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more95 min
Jun 18, 11:49 AM EDTCoastal Flood StatementAKQWorcester6 hr
Jun 18, 12:08 PM EDTCoastal Flood AdvisoryPHIKent, Queen Anne's, Talbot4 hr
Jun 18, 2:21 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Calvert, Caroline, Charles, Dorchester, Kent and 7 more9 hr
Jun 18, 2:26 PM EDTCoastal Flood WarningLWXAnne Arundel, Baltimore, City of Baltimore12 hr
Jun 18, 2:56 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's49 min
Jun 18, 3:31 PM EDTMesoscale DiscussionSPCCalvert, Caroline, Charles, Dorchester, Queen Anne's, Saint Mary's and 3 more59 min
Jun 18, 3:46 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's59 min
Jun 19, 11:53 AM EDTFlash Flood WatchPBZ23 hr
Jun 19, 2:11 PM EDTCoastal Flood StatementAKQWorcester7 hr
Jun 19, 5:56 PM EDTMesoscale DiscussionSPCGarrett64 min
Jun 19, 6:28 PM EDTSevere Thunderstorm WatchSPCAllegany, Garrett3 hr
Jun 20, 3:14 AM EDTMesoscale DiscussionSPCAllegany, Garrett91 min
Jun 20, 1:55 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Carroll, Charles, Dorchester and 10 more95 min
Jun 20, 3:05 PM EDTTornado WatchSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 10 more5 hr
Jun 20, 3:24 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's53 min
Jun 20, 3:34 PM EDTTornado WarningLWXHarford26 min
Jun 20, 3:46 PM EDTTornado WarningLWXBaltimore, Harford29 min
Jun 20, 3:57 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot66 min
Jun 20, 4:06 PM EDTTornado WarningPHIKent, Queen Anne's, Talbot32 min
Jun 20, 4:23 PM EDTSevere Thunderstorm WarningLWXHarford37 min
Jun 20, 4:27 PM EDTSevere Thunderstorm WarningPHICecil53 min
Jun 20, 5:01 PM EDTSevere Thunderstorm WarningPHICecil, Kent, Queen Anne's59 min
Jun 20, 7:05 PM EDTSevere Thunderstorm WarningAKQWorcester25 min
Jun 20, 7:08 PM EDTTornado WarningAKQWorcester22 min
Jun 21, 5:30 AM EDTCoastal Flood WatchAKQWorcester29 hr
Jun 21, 3:28 PM EDTCoastal Flood AdvisoryAKQWorcester7 hr
Jun 22, 10:45 AM EDTCoastal Flood AdvisoryAKQWorcester13 hr
Jun 23, 4:35 AM EDTCoastal Flood AdvisoryAKQWorcester20 hr
Jun 24, 3:49 AM EDTCoastal Flood AdvisoryLWXAnne Arundel, Baltimore, Charles, Prince George's, City of Baltimore7 hr
Jun 25, 5:36 AM EDTCoastal Flood StatementAKQWorcester63 hr
Jun 26, 2:19 PM EDTMesoscale DiscussionSPCBaltimore, Carroll, Cecil, Frederick, Harford, Howard and 4 more56 min
Jun 26, 2:42 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil and 10 more7 hr
Jun 26, 3:30 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington45 min
Jun 26, 4:15 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Howard, Montgomery45 min
Jun 26, 5:01 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery35 min
Jun 26, 5:02 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington43 min
Jun 26, 6:01 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery44 min
Jun 26, 6:13 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford36 min
Jun 26, 6:35 PM EDTSevere Thunderstorm WarningLWXMontgomery40 min
Jun 26, 7:15 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's45 min
Jun 26, 7:33 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Caroline, Carroll, Cecil and 10 more57 min
Jun 26, 7:50 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's40 min
Jun 26, 8:40 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Prince George's, Saint Mary's37 min
Jun 26, 8:42 PM EDTSevere Thunderstorm WarningLWXAnne Arundel14 min
Jun 26, 9:10 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot24 min
Jun 26, 9:11 PM EDTSevere Thunderstorm WarningLWXCharles49 min
Jun 26, 9:11 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 14 more64 min
Jun 30, 2:31 PM EDTSevere Thunderstorm WarningPHICecil44 min

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 archive20082010

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.