Flash Flood Warning for Hillsborough, NH; Merrimack, NH; Rockingham, NH +1 more
Official alert fields
What you need to know
- Applies to
- Hillsborough, Merrimack, Rockingham, Strafford
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
At 755 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. The heaviest...
What the bulletin says to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Full official description
Bulletin details
At 755 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. The heaviest rainfall is expected in southeastern Hillsborough County and southeastern Rockingham County. Urban flash flooding is expected. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Manchester, Nashua, Derry, Merrimack, Durham, Exeter, Salem, Northwood and Bedford. This includes the following highways... Interstate 93 between mile markers 1 and 31. Interstate 293 between mile markers 1 and 11.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Flash Flood Warning issued August 3 at 7:55AM EDT until August 3 at 11:15AM EDT by NWS Gray ME
Official revision - Alert
Flash Flood Warning issued August 3 at 7:21AM EDT until August 3 at 11:15AM EDT by NWS Gray ME
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Gray ME. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected