Alert archive / New Hampshire / River Flood Warnings in 2018
River Flood Warning 11, NWS Gray, ME
NWS Gray, ME issued this river flood warning at Sep 18, 2018, 11:00 AM EDT for Hillsborough County, New Hampshire. It took effect at Sep 18, 2018, 12:51 PM EDT. It was in force for 91 min.
The area
The counties it named.
The facts
- Issued
- Sep 18, 2018, 11:00 AM EDT (15:00 UTC)
- In effect from
- Sep 18, 2018, 12:51 PM EDT
- Expired
- Sep 18, 2018, 2:22 PM EDT
- In force
- 91 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Flood severity
- Minor
County Hillsborough County, NH
The radar
The Boston radar (KBOX), 117 km from the middle of the area, began a volume at 15:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Souhegan River at Milford (MFDN3). The gauge peaked at 9.16 ft at Sep 18, 2018, 12:00 PM EDT.
- Action stage
- 8 ft
- Minor stage
- 9 ft
- Moderate stage
- 11 ft
- Major stage
- 12 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01093852, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gray, ME wrote its last area forecast discussion before this river flood warning went out at Sep 18, 9:10 AM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Sep 18, 9:10 AM EDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Sep 18, 3:18 AM EDT, 7 hours 42 minutes before
Hazardous Weather Outlook National Weather Service Gray ME 318 AM EDT Tue Sep 18 2018 MEZ018-023-NHZ007-008-010>015-190730- Interior York-Coastal York-Sullivan-Merrimack-Strafford-Cheshire- Eastern Hillsborough-Interior Rockingham-Coastal Rockingham- Western And Central Hillsborough- 318 AM EDT Tue Sep 18 2018 This Hazardous Weather Outlook is for southwest Maine, New Hampshire, central New Hampshire and southern New Hampshire. .DAY ONE...Today and Tonight. The remnants of Florence are forecast to move through New England today and exit the region by this evening. A stripe of heavy rainfall is likely across southern New Hampshire and extreme southwest Maine today with rainfall mainly in the 1-2 inch range with some locally higher amounts. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. MEZ007>009-012>014-019>022-024>028-NHZ001>006-009-190730- Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford- Southern Franklin-Southern Somerset-Interior Cumberland-Androscoggin- Kennebec-Interior Waldo-Coastal Cumberland-Sagadahoc-Lincoln-Knox- Coastal Waldo-Northern Coos-Southern Coos-Northern Grafton- Northern Carroll-Southern Grafton-Southern Carroll-Belknap- 318 AM EDT Tue Sep 18 2018 This Hazardous Weather Outlook is for Maine, south central Maine, southwest Maine, west central Maine, western Maine, central New Hampshire and northern New Hampshire. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ150>154-190730- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- Penobscot Bay- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- Casco Bay- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 318 AM EDT Tue Sep 18 2018 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and Tonight. The remnants of tropical system Florence are expected to pass south of the waters today. Strongest winds are expected to remain south of the coastal waters, but some heavy rain may result in very low visibility south of Cape Elizabeth. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Local storm report, Sep 18, 9:57 AM EDT, 1 hour 3 minutes before
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</html>The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 9:34 AM EDT | Areal Flood Advisory | GYX | York | 3 hr |
| Sep 18, 3:21 PM EDT | Small Craft Advisory | GYX | 21 hr | |
| Sep 18, 7:57 PM EDT | Areal Flood Advisory | GYX | Kennebec, Knox, Somerset, Waldo | 100 min |
| Sep 18, 7:54 AM EDT | Areal Flood Advisory | GYX | Hillsborough, Rockingham | 3 hr |
| Sep 18, 8:07 AM EDT | Flash Flood Warning | GYX | Cheshire, Hillsborough, Rockingham | 6 hr |
Nearby
River Flood Warnings in New Hampshire, 2018Every river flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.