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Home Return to list Areal Flood Advisory 0011 Issued by the Gray / Portland Forecast Office
Action: New Issued At: 2026-08-03 05:11:06
234
WGUS81 KGYX 031010
FLSGYX
Flood Advisory
National Weather Service Gray ME
610 AM EDT Mon Aug 3 2026
NHC011-013-015-017-031315-
/O.NEW.KGYX.FA.Y.0011.260803T1010Z-260803T1315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hillsborough NH-Merrimack NH-Rockingham NH-Strafford NH-
610 AM EDT Mon Aug 3 2026
...FLOOD ADVISORY IN EFFECT UNTIL 915 AM EDT THIS MORNING...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Portions of central and southern New Hampshire, including
the following counties, in central New Hampshire, Merrimack and
Strafford. In southern New Hampshire, Hillsborough and Rockingham.
* WHEN...Until 915 AM EDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Ponding of water in urban or other areas is
occurring or is imminent.
* ADDITIONAL DETAILS...
- At 610 AM EDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause urban and small stream
flooding. Between 0.5 and 1 inch of rain has fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Manchester, Nashua, Derry, Rochester, Merrimack, Salem,
Northwood, Bedford and Milford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
&&
LAT...LON 4335 7109 4335 7100 4329 7092 4326 7092
4324 7096 4312 7098 4298 7108 4285 7115
4270 7130 4271 7172 4277 7174 4288 7173
4303 7164 4312 7153
$$
MLE
Action: Cancelled Issued At: 2026-08-03 06:38:38
411
WGUS81 KGYX 031138
FLSGYX
Flood Advisory
National Weather Service Gray ME
738 AM EDT Mon Aug 3 2026
NHC011-013-015-017-031148-
/O.CAN.KGYX.FA.Y.0011.000000T0000Z-260803T1315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hillsborough NH-Merrimack NH-Rockingham NH-Strafford NH-
738 AM EDT Mon Aug 3 2026
...FLOOD ADVISORY IS CANCELLED...
The Flood Advisory is cancelled for portions of central and southern
New Hampshire, including the following areas, in central New
Hampshire, Merrimack and Strafford. In southern New Hampshire,
Hillsborough and Rockingham.
The threat for widespread flooding has increased over the area.
Therefore the Flood Advisory has been replaced by a Flash Flood
Warning. Please refer to that bulletin for more information.
&&
LAT...LON 4335 7109 4335 7100 4329 7092 4326 7092
4324 7096 4312 7098 4298 7108 4285 7115
4270 7130 4271 7172 4277 7174 4288 7173
4303 7164 4312 7153
$$
MLE
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