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Flood Watch

Status

Event Continued Active alert

Start Time

Fri 05/09/2025 02:00 PM EDT

End Time

Sun 05/11/2025 12:00 AM EDT

Significance

Watch

Impacts

Moderate impact

Locations Affected

Manchester, NH ∙ Nashua, NH ∙ Portland, ME ∙ Topsham, ME ∙ Hollis, NH ∙ Laconia, NH ∙ Barnstead, NH ∙ Plaistow, NH ∙ Great Bay, NH ∙ South Eliot, ME

Headline

.A slow moving low pressure system with plenty of moisture will affect the flood watch area through Saturday with periods of soaking rainfall. Wet antecedent conditions across New Hampshire and western Maine could allow for possible flooding late tonight through Saturday night, with one and a half to three inches of rain expected.

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Gray ME 157 PM EDT Fri May 9 2025 .A slow moving low pressure system with plenty of moisture will affect the flood watch area through Saturday with periods of soaking rainfall. Wet antecedent conditions across New Hampshire and western Maine could allow for possible flooding late tonight through Saturday night, with one and a half to three inches of rain expected. ...FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. Saturated ground with additional rainfall expected through tomorrow morning will create risk for flooding. * WHERE...Portions of western Maine, including the following area, Southern Oxford and New Hampshire, including the following areas, Belknap, Cheshire, Eastern Hillsborough, Interior Rockingham, Merrimack, Northern Carroll, Northern Grafton, Southern Carroll, Southern Grafton, Strafford, Sullivan and Western And Central Hillsborough. * WHEN...Through Saturday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor the latest forecast and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Technical Header

MEZ012-NHZ003>013-015-100800- /O.CON.KGYX.FA.A.0002.250509T1800Z-250511T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Southern Oxford-Northern Grafton-Northern Carroll-Southern Grafton-Southern Carroll-Sullivan-Merrimack-Belknap-Strafford- Cheshire-Eastern Hillsborough-Interior Rockingham-Western And Central Hillsborough- Including the cities of Wakefield, Sharon, Oxford, Sullivan, Thornton, Chatham, Rumford, Gilsum, Chester, Hampstead, Laconia, Amherst, Lincoln, Marlow, Claremont, North Conway, Weare, Bethlehem, Lyme, Conway, Salem, Unity, Ashland, Hollis, Plymouth, Keene, Locke Mills, Albany, Loudon, Tuftonboro, Meredith, Wolfeboro, Plaistow, Waterville Valley, Sugar Hill, Dover, Hanover, Barrington, Goffstown, Newton, Madbury, Bryant Pond, Bridgewater, Rumney, Brookfield, Peterborough, Nashua, Jackson, Ossipee, Bethel, Pelham, Derry, Concord, Canterbury, Durham, Jaffrey, Boscawen, Rollinsford, Mont Vernon, Newry, Milford, Holderness, Rochester, Surry, Charlestown, Grantham, Exeter, Milton, Somersworth, Fryeburg, Moultonborough, Manchester, Ellsworth, Goshen, Newport, Lebanon, Littleton, Lempster, Crawford Notch, Norway, Croydon, Atkinson, Dunbarton, Gilford, Woodstock, Hooksett, and Cornish 157 PM EDT Fri May 9 2025