Alert archive / New Hampshire / River Flood Warnings in 2020
River Flood Warning 36, NWS Gray, ME
NWS Gray, ME issued this river flood warning at Dec 26, 2020, 4:46 AM EST for Merrimack County, New Hampshire. It took effect at Dec 26, 2020, 7:00 AM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2020, 4:46 AM EST (09:46 UTC)
- In effect from
- Dec 26, 2020, 7:00 AM EST
- Expired
- Dec 26, 2020, 2:59 PM EST
- In force
- 8 hr
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
- Flood severity
- Minor
County Merrimack County, NH
The radar
The Portland,ME radar (KGYX), 132 km from the middle of the area, began a volume at 09:47 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 Warner River at Davisville (DAVN3). The gauge peaked at 7.99 ft at Dec 26, 2020, 7:00 AM EST.
- Action stage
- 6 ft
- Minor stage
- 8 ft
- Moderate stage
- 10 ft
- Major stage
- 12 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01086000, 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 Dec 25, 6:26 PM EST, 10 hours 20 minutes earlier.
Area forecast discussion, Dec 25, 6:26 PM EST, 10 hours 20 minutes before
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<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 |
|---|---|---|---|---|
| Dec 26, 6:12 AM EST | River Flood Warning | GYX | Androscoggin | 23 hr |
Nearby
River Flood Warnings in New Hampshire, 2020Every river flood warning in 2020
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.