Sunday’s weather update: Flood advisory in effect until 7 p.m. due to heavy rain

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Sunday’s Weather

UPDATED as of 2 p.m. FLOOD ADVISORY IN EFFECT UNTIL 7 PM 

  • 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. In southern New Hampshire, Cheshire, Hillsborough, and Rockingham.
  • WHEN: Until 7 PM EDT Sunday.
  • IMPACTS: Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos.
  • ADDITIONAL DETAILS:
    • At 12:09 PM EDT, Gauge reports indicated locally heavy rainfall continued today. This will cause urban and small-stream flooding. Between 1 and 2 inches of rain have fallen with isolated higher amounts.
    • Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding.
    • Some locations that will experience flooding include Manchester, Nashua, Merrimack, Keene, Jaffrey, Bedford, Milford, Hooksett, and Amherst.
Instructions:
Turn around, and don`t 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.

Today’s rain will be heavy at times, rain will be beneficial given recent dry conditions.


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5-Day Outlook, April 23-27

Today: Periods of rain heavy at times (1″+), chilly, & breezy. High 47 Winds: E 10-15 mph
Tonight: Periods of rain to showers (.25″). Low 44 Winds: NNE 5-10 mph
Monday: Cloudy & cool with some showers. High 53 Winds: N 5-10 mph
Monday night: Mostly cloudy with a few early showers. Low 42 Winds: NNW 5-10 mph
Tuesday: Milder with a mix of sun & clouds along with a spot shower. High 56 Winds: NW 5-10 mph
Tuesday night: Some clearing late. Low 39 Winds: N 5-10 mph
Wednesday: Mix sun & clouds. High 60 Winds: W 5-10 mph
Wednesday night: Partly cloudy. Low 40 Winds: Light & Variable
Thursday: Partly to mostly cloudy with showers late. High 55 Winds: ENE 5-10 mph
Thursday night: Early showers then cloudy. Low 41 Winds: NE 5-10 mph

Weather Patterns We’re Watching

Cool and showery weather lingers Monday and Tuesday followed by a drying trend through Friday.

Screenshot 2023 04 17 at 10.25.03 PMHiking Report

White Mountains Weather

The forecast for summits above 4,000 feet in Northern New Hampshire: Rain. Snow in the afternoon. Highs in the upper 30s. Southeast winds 25 to 35 mph with gusts up to 45 mph. Chance of precipitation near 100 percent.

The forecast for elevations between 2,500 and 4,000 feet in Northern New Hampshire: Rain. Highs in the lower 40s. Southeast winds 20 to 30 mph with gusts up to 45 mph. Chance of rain near 100 percent.


 

About this Author

Rick Gordon

Rick is a native of Red Hill, PA, and is a former Chief Meteorologist at WMUR-TV. He currently teaches ninth-grade physical science at Central High School. His past adventures in weather-watching include a stint as on-air meteorologist for WSEE in Erie, PA; meteorologist with D&M Weather Services in Pittsburgh, PA; AccuWeather in State College, PA; and weather guy for KDKA radio in Pittsburgh. He studied meteorology at Millersville University in Lancaster, PA (aka God’s Country) and currently lives in Wells Beach, Maine. 

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