Weather alerts in Maryland, May 2004

123 weather alerts in May 2004, 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 May 2004. Tap one for its archive.

Alerts: 123
Warnings: 80
Watches: 11
Advisories: 0
Busiest day: May 25, 200418 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.

Issued	Product	Office	Counties	Lasted
May 2, 1:21 PM EDT	Mesoscale Discussion	SPC	Allegany, Frederick, Garrett, Washington	114 min
May 2, 3:20 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Frederick, Washington	6 hr
May 2, 5:45 PM EDT	Severe Thunderstorm Watch	SPC	Charles, Prince George's	5 hr
May 2, 5:48 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 1 more	117 min
May 2, 7:24 PM EDT	Mesoscale Discussion	SPC	Charles, Prince George's	2 hr
May 2, 8:18 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	72 min
May 2, 8:25 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	80 min
May 2, 9:02 PM EDT	Severe Thunderstorm Warning	LWX	Carroll	43 min
May 2, 9:16 PM EDT	Severe Thunderstorm Warning	LWX	Howard, Prince George's	44 min
May 2, 9:23 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore	52 min
May 2, 9:29 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, City of Baltimore	61 min
May 2, 9:53 PM EDT	Severe Thunderstorm Warning	LWX	Harford	67 min
May 5, 1:48 PM EDT	Mesoscale Discussion	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 14 more	2 hr
May 5, 4:58 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	62 min
May 5, 5:03 PM EDT	Severe Thunderstorm Warning	LWX	Harford	42 min
May 5, 5:22 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	68 min
May 5, 6:09 PM EDT	Severe Thunderstorm Warning	LWX	Calvert	66 min
May 5, 6:11 PM EDT	Tornado Warning	LWX	Charles	34 min
May 5, 6:26 PM EDT	Tornado Warning	LWX	Saint Mary's	64 min
May 7, 10:29 AM EDT	Mesoscale Discussion	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 13 more	91 min
May 7, 11:00 AM EDT	Severe Thunderstorm Watch	SPC	Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Garrett and 5 more	6 hr
May 7, 1:24 PM EDT	Mesoscale Discussion	SPC	Cecil, Kent, Queen Anne's	96 min
May 7, 1:40 PM EDT	Severe Thunderstorm Watch	SPC	Caroline, Cecil, Kent, Queen Anne's, Talbot	3 hr
May 7, 1:49 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett, Washington	86 min
May 7, 1:58 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	77 min
May 7, 4:35 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 16 more	5 hr
May 7, 6:17 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Charles, Dorchester and 13 more	118 min
May 7, 7:37 PM EDT	Severe Thunderstorm Warning	LWX	Charles	38 min
May 7, 8:31 PM EDT	Severe Thunderstorm Warning	LWX	Saint Mary's	29 min
May 9, 12:12 PM EDT	Mesoscale Discussion	SPC	Allegany, Carroll, Frederick, Garrett, Montgomery, Washington	3 hr
May 9, 8:03 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	57 min
May 9, 8:08 PM EDT	Mesoscale Discussion	SPC	Baltimore, Carroll, Cecil, Frederick, Harford	2 hr
May 9, 8:11 PM EDT	Severe Thunderstorm Warning	LWX	Harford	34 min
May 9, 11:16 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	59 min
May 9, 11:26 PM EDT	Severe Thunderstorm Warning	LWX	Harford	49 min
May 9, 11:43 PM EDT	Severe Thunderstorm Warning	LWX	Howard, Montgomery	47 min
May 10, 12:04 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett, Washington	2 hr
May 12, 12:19 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	41 min
May 14, 4:16 PM EDT	Severe Thunderstorm Warning	LWX	Washington	44 min
May 15, 4:31 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	44 min
May 15, 6:05 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 7 more	85 min
May 15, 8:27 PM EDT	Tornado Warning	LWX	Carroll, Frederick	18 min
May 15, 8:49 PM EDT	Severe Thunderstorm Warning	LWX	Carroll	41 min
May 15, 9:03 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore	42 min
May 16, 8:30 PM EDT	Flash Flood Warning	LWX	Harford	3 hr
May 17, 2:11 PM EDT	Severe Thunderstorm Warning	LWX	Carroll	49 min
May 17, 2:12 PM EDT	Severe Thunderstorm Warning	LWX	Carroll	48 min
May 17, 2:22 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore	53 min
May 17, 3:13 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore	77 min
May 17, 3:36 PM EDT	Flash Flood Warning	AKQ	Wicomico, Worcester	114 min
May 17, 4:21 PM EDT	Severe Thunderstorm Warning	PHI	Kent	39 min
May 17, 4:22 PM EDT	Severe Thunderstorm Warning	LWX	City of Baltimore	38 min
May 17, 4:28 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore	47 min
May 17, 4:57 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	63 min
May 17, 5:15 PM EDT	Severe Thunderstorm Warning	PHI	Kent	45 min
May 17, 6:02 PM EDT	Severe Thunderstorm Warning	LWX	Charles	58 min
May 17, 6:16 PM EDT	Severe Thunderstorm Warning	LWX	Howard	44 min
May 17, 6:30 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	45 min
May 17, 6:33 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	57 min
May 17, 8:28 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	47 min
May 17, 8:39 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	66 min
May 18, 1:14 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Howard, Montgomery, Prince George's, Saint Mary's	2 hr
May 18, 2:54 PM EDT	Mesoscale Discussion	SPC	Allegany, Carroll, Cecil, Harford, Washington	96 min
May 18, 4:35 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	40 min
May 18, 5:49 PM EDT	Severe Thunderstorm Warning	LWX	Prince George's	26 min
May 18, 5:58 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	62 min
May 18, 6:48 PM EDT	Severe Thunderstorm Warning	LWX	Washington	57 min
May 18, 6:50 PM EDT	Severe Thunderstorm Warning	PHI	Kent	40 min
May 18, 7:25 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	65 min
May 18, 7:49 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more	2 hr
May 19, 2:52 AM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 8 more	3 hr
May 19, 3:01 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Dorchester, Saint Mary's, Somerset, Wicomico and 1 more	119 min
May 21, 6:54 AM EDT	Severe Thunderstorm Warning	PBZ	Garrett	81 min
May 21, 7:25 AM EDT	Severe Thunderstorm Warning	LWX	Allegany, Washington	50 min
May 21, 8:07 AM EDT	Severe Thunderstorm Warning	LWX	Washington	53 min
May 21, 8:34 AM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 4 more	86 min
May 21, 12:28 PM EDT	Mesoscale Discussion	SPC	Charles, Saint Mary's	2 hr
May 21, 5:31 PM EDT	Mesoscale Discussion	SPC	Allegany, Frederick, Garrett, Washington	89 min
May 21, 6:35 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Carroll, Charles, Frederick, Garrett, Howard and 3 more	4 hr
May 21, 7:34 PM EDT	Severe Thunderstorm Warning	LWX	Allegany	56 min
May 21, 7:50 PM EDT	Severe Thunderstorm Warning	PBZ	Garrett	55 min
May 21, 8:24 PM EDT	Severe Thunderstorm Warning	LWX	Washington	66 min
May 21, 8:43 PM EDT	Flash Flood Warning	LWX	Allegany	4 hr
May 21, 9:51 PM EDT	Severe Thunderstorm Warning	LWX	Frederick, Montgomery	69 min
May 25, 2:58 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett, Washington	92 min
May 25, 3:20 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Carroll, Frederick, Garrett, Howard, Montgomery and 1 more	6 hr
May 25, 4:52 PM EDT	Severe Thunderstorm Warning	LWX	Washington	53 min
May 25, 4:58 PM EDT	Severe Thunderstorm Warning	PBZ	Garrett	62 min
May 25, 5:29 PM EDT	Tornado Warning	LWX	Washington	61 min
May 25, 5:46 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	59 min
May 25, 5:51 PM EDT	Tornado Warning	LWX	Frederick	54 min
May 25, 6:06 PM EDT	Severe Thunderstorm Warning	LWX	Carroll	54 min
May 25, 6:09 PM EDT	Mesoscale Discussion	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 15 more	2 hr
May 25, 6:44 PM EDT	Severe Thunderstorm Warning	LWX	Frederick	46 min
May 25, 6:50 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, City of Baltimore	55 min
May 25, 6:59 PM EDT	Severe Thunderstorm Warning	LWX	Howard, Montgomery	61 min
May 25, 7:10 PM EDT	Severe Thunderstorm Warning	LWX	Harford	65 min
May 25, 7:22 PM EDT	Flash Flood Warning	LWX	Montgomery	4 hr
May 25, 7:25 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Calvert, Caroline, Cecil, Charles, Dorchester and 7 more	4 hr
May 25, 7:41 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	49 min
May 25, 7:46 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	59 min
May 25, 7:57 PM EDT	Severe Thunderstorm Warning	LWX	Montgomery	63 min
May 25, 8:25 PM EDT	Severe Thunderstorm Warning	PHI	Queen Anne's	35 min
May 25, 8:28 PM EDT	Tornado Warning	LWX	Prince George's	62 min
May 25, 8:36 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	54 min
May 25, 9:04 PM EDT	Severe Thunderstorm Warning	PHI	Queen Anne's	26 min
May 25, 9:09 PM EDT	Severe Thunderstorm Warning	LWX	Charles	51 min
May 25, 9:16 PM EDT	Severe Thunderstorm Warning	LWX	Calvert	59 min
May 25, 9:30 PM EDT	Severe Thunderstorm Warning	PHI	Caroline	30 min
May 25, 9:50 PM EDT	Mesoscale Discussion	SPC	Calvert, Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset and 3 more	55 min
May 26, 12:55 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	95 min
May 26, 5:15 PM EDT	Mesoscale Discussion	SPC	Carroll	2 hr
May 26, 5:45 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 11 more	5 hr
May 26, 8:19 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Charles, Prince George's, City of Baltimore	116 min
May 27, 3:07 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Carroll, Charles, Frederick and 7 more	113 min
May 27, 9:01 PM EDT	Mesoscale Discussion	SPC	Frederick, Garrett, Montgomery	89 min
May 28, 12:03 AM EDT	Flash Flood Warning	PBZ	Garrett	4 hr
May 31, 12:40 AM EDT	Tornado Watch	SPC	Garrett	5 hr
May 31, 2:40 AM EDT	Mesoscale Discussion	SPC	Garrett	2 hr
May 31, 4:40 AM EDT	Mesoscale Discussion	SPC	Garrett	95 min
May 31, 2:53 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Saint Mary's, Somerset	37 min
May 31, 3:50 PM EDT	Tornado Watch	SPC	Calvert, Charles, Dorchester, Montgomery, Prince George's, Saint Mary's and 1 more	6 hr
May 31, 7:17 PM EDT	Mesoscale Discussion	SPC	Calvert, Charles, Dorchester, Montgomery, Prince George's, Saint Mary's and 1 more	118 min

By product

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

Product	Alerts
Severe storms
Severe Thunderstorm Warning	69
Tornado Warning	6
Severe Thunderstorm Watch	9
Tornado Watch	2
Mesoscale Discussion	32
Flooding
Flash Flood Warning	5

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2003 2005

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.