157  
WGUS61 KGYX 061923  
FFAGYX  
 
FLOOD WATCH  
NATIONAL WEATHER SERVICE GRAY ME  
323 PM EDT FRI JUN 6 2025  
 
.CLUSTERS OF SLOW MOVING THUNDERSTORMS WILL BRING A RISK OF FLASH  
FLOODING TO PORTIONS OF CENTRAL AND SOUTHERN NEW HAMPSHIRE TODAY. A  
NEARBY STATIONARY FRONT WILL SUPPORT STORM DEVELOPMENT THIS  
AFTERNOON, WITH RAINFALL RATES UP TO 2 INCHES AN HOUR. THESE SLOW  
MOVING AND REPEATING ROUNDS OF HEAVY RAIN COULD LEAD TO POTENTIALLY  
SIGNIFICANT FLASH FLOODING.  
 
NHZ003>013-015-070400-  
/O.CON.KGYX.FA.A.0003.000000T0000Z-250607T0400Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
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 LYME, ROCHESTER, PLYMOUTH, LITTLETON,  
BOSCAWEN, LEBANON, SUGAR HILL, CHATHAM, CONWAY, HAMPSTEAD,  
THORNTON, MANCHESTER, LINCOLN, CANTERBURY, CLAREMONT, DUNBARTON,  
NASHUA, PELHAM, HOLDERNESS, NEWTON, ROLLINSFORD, EXETER,  
TUFTONBORO, BROOKFIELD, SALEM, MEREDITH, WEARE, CHARLESTOWN,  
SOMERSWORTH, WOLFEBORO, LEMPSTER, DURHAM, GILSUM, CHESTER,  
ALBANY, LACONIA, AMHERST, SULLIVAN, UNITY, CROYDON, NORTH CONWAY,  
MADBURY, WAKEFIELD, DOVER, KEENE, SHARON, BETHLEHEM, ASHLAND,  
GOFFSTOWN, JAFFREY, HOOKSETT, BRIDGEWATER, CRAWFORD NOTCH,  
OSSIPEE, MOULTONBOROUGH, PLAISTOW, PETERBOROUGH, CORNISH,  
BARRINGTON, WOODSTOCK, HOLLIS, CONCORD, GILFORD, MONT VERNON,  
GOSHEN, ELLSWORTH, JACKSON, ATKINSON, DERRY, SURRY, NEWPORT,  
MILFORD, RUMNEY, WATERVILLE VALLEY, MARLOW, GRANTHAM, AND LOUDON  
323 PM EDT FRI JUN 6 2025  
   
..FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
 
 
* WHAT...FLASH FLOODING CAUSED BY SLOW MOVING THUNDERSTORMS AND  
REPEATING ROUNDS OF HEAVY RAINFALL. SIGNIFICANT FLOODING IMPACTS  
ARE POSSIBLE.  
 
* WHERE...PORTIONS OF CENTRAL, NORTHERN, AND SOUTHERN NEW HAMPSHIRE,  
INCLUDING THE FOLLOWING AREAS, IN NEW HAMPSHIRE, WESTERN AND  
CENTRAL HILLSBOROUGH. IN CENTRAL NEW HAMPSHIRE, BELKNAP,  
MERRIMACK, STRAFFORD AND SULLIVAN. IN NORTHERN NEW HAMPSHIRE,  
NORTHERN CARROLL, NORTHERN GRAFTON, SOUTHERN CARROLL AND SOUTHERN  
GRAFTON. IN SOUTHERN NEW HAMPSHIRE, CHESHIRE, EASTERN HILLSBOROUGH  
AND INTERIOR ROCKINGHAM.  
 
* WHEN...UNTIL MIDNIGHT EDT TONIGHT.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF ALREADY  
SWOLLEN STREAMS AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS  
INCLUDING URBAN AREAS.  
 
* ADDITIONAL DETAILS...  
- REPEATING ROUNDS OF HEAVY RAINFALL COULD RESULT IN LOCALIZED  
RAINFALL AMOUNTS OF 3 INCHES OR MORE THROUGH THIS EVENING.  
RECENT WET CONDITIONS ACROSS CENTRAL AND SOUTHERN NEW  
HAMPSHIRE ARE KEEPING STREAMS RUNNING HIGH, AND SOILS WET.  
THESE AREAS IN PARTICULAR WILL BE MORE VULNERABLE TO FLASH  
FLOODING. HOWEVER RAINFALL AMOUNTS EXCEEDING 3 INCHES IN A  
FEW HOURS COULD RESULT IN FLOODING FOR MOST AREAS REGARDLESS  
OF ANTECEDENT CONDITIONS.  
 
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 FLASH FLOODING DEVELOP.  
 

 
 

 
 
SJ  
 
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