Alert archive / Maine / Flood Watches in 2020

Flood Watch 2, NWS Caribou, ME

November 30, 20205 counties in Maine

NWS Caribou, ME issued this flood watch at Nov 30, 2020, 1:59 PM EST for 5 counties in Maine. It took effect at Nov 30, 2020, 7:00 PM EST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Nov 30, 2020, 1:59 PM EST (18:59 UTC)
In effect from
Nov 30, 2020, 7:00 PM EST
Expired
Dec 1, 2020, 4:00 PM EST
In force
21 hr
Issued by
NWS Caribou, ME
Flood severity
None

Counties Aroostook County, ME, Hancock County, ME, Penobscot County, ME, Piscataquis County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 82 km from the middle of the area, began a volume at 19:03 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 nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 7.0 hours before the alert went out and 225 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Gray, ME at 12:00Z on 2020-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2020-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1338 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Caribou, ME wrote its last area forecast discussion before this flood watch went out at Nov 30, 10:15 AM EST, 3 hours 44 minutes earlier.

Area forecast discussion, Nov 30, 10:15 AM EST, 3 hours 44 minutes before
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Hazardous weather outlook, Nov 30, 3:59 AM EST, 10 hours before
Hazardous Weather Outlook
National Weather Service Caribou ME
359 AM EST Mon Nov 30 2020

MEZ001>006-010-031-010900-
Northwest Aroostook-Northeast Aroostook-Northern Somerset-
Northern Piscataquis-Northern Penobscot-Southeast Aroostook-
Central Piscataquis-Southern Piscataquis-
359 AM EST Mon Nov 30 2020

This Hazardous Weather Outlook is for Central Highlands Maine, Far
Eastern Maine, Far Northern Maine and North Woods Maine.

.DAY ONE...Today and Tonight.

Strengthening low pressure will bring a period of heavy rain and
gusty winds to the area late this afternoon into tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Rain and gusty winds will continue into Tuesday before tapering off.
Rainfall totals of 1 to 3 inches are expected, leading to significant
river and stream rises.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MEZ011-032-010900-
Central Penobscot-Northern Washington-
359 AM EST Mon Nov 30 2020

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 4 PM EST
TUESDAY...

This Hazardous Weather Outlook is for Far Eastern Maine and
Penobscot Valley Maine.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

Strengthening low pressure will bring a period of heavy rain and
gusty winds to the area late this afternoon into tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

Rain and gusty winds will continue into Tuesday before tapering off.
Rainfall totals of 2 to 4 inches are expected, leading to
significant river and stream rises.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

ANZ050>052-010900-
Coastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM-
Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM-
Intra Coastal Waters from Schoodic Point, ME to Stonington, ME-
359 AM EST Mon Nov 30 2020

...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM EST
TUESDAY...

This Hazardous Weather Outlook is for Atlantic Coastal Waters.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MEZ015>017-010900-
Southern Penobscot-Interior Hancock-Central Washington-
359 AM EST Mon Nov 30 2020

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 4 PM EST
TUESDAY...

This Hazardous Weather Outlook is for Interior DownEast Maine and
Penobscot Valley Maine.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

In addition to the strong winds, a period of heavy rain is expected
through Tuesday. Rainfall amounts of 1 to 3 inches are possible with
some areas in Washington County seeing close to 5 inches of rain.
River and streams will see some significant rises.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

MEZ029-030-010900-
Coastal Hancock-Coastal Washington-
359 AM EST Mon Nov 30 2020

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 4 PM EST
TUESDAY...

This Hazardous Weather Outlook is for Coastal DownEast Maine.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Wind Warning.

In addition to the strong winds, a period of heavy rain is expected
through Tuesday. Rainfall amounts of 2 to 4 inches are possible with
some areas in Washington County seeing close to 5 inches of rain.
River and streams will see some significant rises.

Along the coast, some minor coastal flooding is possible at the time
of high tide Tuesday morning due to the combination of the strong
onshore winds and very high seas.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 30, 12:11 AM ESTHigh Wind WarningCARHancock, Washington37 hr
Nov 30, 3:39 AM ESTWind AdvisoryCARHancock, Penobscot, Washington34 hr
Nov 30, 10:02 AM ESTStorm WarningCAR18 hr

Nearby

Flood Watches in Maine, 2020Every flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.