Alert archive / Maine / Flash Flood Watches in 2021

Flash Flood Watch 2, NWS Caribou, ME

September 1, 2021Hancock County, Washington County, Maine

NWS Caribou, ME issued this flash flood watch at Sep 1, 2021, 3:24 PM EDT for Hancock County, Washington County, Maine. It took effect at Sep 2, 2021, 12:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 1, 2021, 3:24 PM EDT (19:24 UTC)
In effect from
Sep 2, 2021, 12:00 AM EDT
Expired
Sep 2, 2021, 12:06 PM EDT
In force
12 hr
Issued by
NWS Caribou, ME
Flood severity
None

Counties Hancock County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 142 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 205 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 2021-09-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2021-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1379 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

882 
WGUS61 KCAR 011924
FFACAR

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Caribou ME
324 PM EDT Wed Sep 1 2021

MEZ016-017-029-030-020800-
/O.NEW.KCAR.FF.A.0002.210902T0400Z-210903T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Interior Hancock-Central Washington-Coastal Hancock-Coastal
Washington-
Including the cities of Orland, Perry, Castine, Wesley, Aurora,
Princeton, Bucksport, Bar Harbor, Calais, Dedham, Cherryfield,
Amherst, Great Pond, Grand Lake Stream, Eastbrook, Eastport,
Ellsworth, and Machias
324 PM EDT Wed Sep 1 2021

...FLASH FLOOD WATCH IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH 
THURSDAY EVENING...

The National Weather Service in Caribou has issued a

* Flash Flood Watch for Portions of Coastal DownEast and Interior 
  DownEast Maine., including the following areas, in Coastal 
  DownEast Maine, Coastal Hancock and Coastal Washington. In 
  Interior DownEast Maine, Central Washington and Interior Hancock.

* From Midnight EDT tonight through Thursday evening.

* Tropical moisture associated with the Remnants of Ida will bring 
  heavy rainfall to the area.

* Rainfall rates will rapidly increase Thursday morning with heavy 
  rain persisting into Thursday afternoon. Rainfall rates will 
  likely exceed 1 inch per hour at times Thursday. Rainfall totals 
  of 1.50 to 3.00 inches are expected from late tonight into late 
  Thursday evening. Locally greater totals are possible. These 
  rainfall totals and rain rates could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Sinko
5 follow-up statements
790 
WGUS61 KCAR 012236
FFACAR

Flood Watch
National Weather Service Caribou ME
636 PM EDT Wed Sep 1 2021

MEZ016-017-029-030-020645-
/O.CON.KCAR.FF.A.0002.210902T0400Z-210903T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Interior Hancock-Central Washington-Coastal Hancock-Coastal
Washington-
Including the cities of Orland, Perry, Castine, Wesley, Aurora,
Princeton, Bucksport, Bar Harbor, Calais, Dedham, Cherryfield,
Amherst, Great Pond, Grand Lake Stream, Eastbrook, Eastport,
Ellsworth, and Machias
636 PM EDT Wed Sep 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM MIDNIGHT EDT TONIGHT 
THROUGH THURSDAY EVENING...

The Flash Flood Watch continues for

* Portions of Coastal DownEast and Interior DownEast Maine., 
  including the following areas, in Coastal DownEast Maine, Coastal 
  Hancock and Coastal Washington. In Interior DownEast Maine, 
  Central Washington and Interior Hancock.

* From Midnight EDT tonight through Thursday evening.

* Tropical moisture associated with the Remnants of Ida will bring 
  heavy rainfall to the area.

* Rainfall rates will rapidly increase Thursday morning with heavy 
  rain persisting into Thursday afternoon. Rainfall rates will 
  likely exceed 1 inch per hour at times Thursday. Rainfall totals 
  of 1.50 to 3.00 inches are expected from late tonight into late 
  Thursday evening. Locally higher amounts are possible. These 
  rainfall totals and rain rates could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CB
342 
WGUS61 KCAR 020115
FFACAR

Flood Watch
National Weather Service Caribou ME
915 PM EDT Wed Sep 1 2021

MEZ016-017-029-030-021000-
/O.CON.KCAR.FF.A.0002.210902T0400Z-210903T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Interior Hancock-Central Washington-Coastal Hancock-Coastal
Washington-
Including the cities of Orland, Perry, Castine, Wesley, Aurora,
Princeton, Bucksport, Bar Harbor, Calais, Dedham, Cherryfield,
Amherst, Great Pond, Grand Lake Stream, Eastbrook, Eastport,
Ellsworth, and Machias
915 PM EDT Wed Sep 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING...

The Flash Flood Watch continues for

* Portions of Coastal DownEast and Interior DownEast Maine, 
  including the following areas, in Coastal DownEast Maine, Coastal 
  Hancock and Coastal Washington. In Interior DownEast Maine, 
  Central Washington and Interior Hancock.

* Through Thursday evening.

* Tropical moisture associated with the Remnants of Ida will bring 
  heavy rainfall to the area.

* Rainfall rates will rapidly increase Thursday morning with heavy 
  rain persisting into Thursday afternoon. Rainfall rates will 
  likely exceed 1 inch per hour at times Thursday. Rainfall totals 
  of 1.50 to 3.00 inches are expected from late tonight into late 
  Thursday evening. Locally higher amounts are possible. These 
  rainfall totals and rain rates could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CB
333 
WGUS61 KCAR 020718
FFACAR

Flood Watch
National Weather Service Caribou ME
318 AM EDT Thu Sep 2 2021

MEZ016-017-029-030-030000-
/O.CON.KCAR.FF.A.0002.000000T0000Z-210903T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Interior Hancock-Central Washington-Coastal Hancock-Coastal
Washington-
Including the cities of Orland, Perry, Castine, Wesley, Aurora,
Princeton, Bucksport, Bar Harbor, Calais, Dedham, Cherryfield,
Amherst, Great Pond, Grand Lake Stream, Eastbrook, Eastport,
Ellsworth, and Machias
318 AM EDT Thu Sep 2 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* Portions of Coastal DownEast and Interior DownEast Maine., 
  including the following areas, in Coastal DownEast Maine, Coastal 
  Hancock and Coastal Washington. In Interior DownEast Maine, 
  Central Washington and Interior Hancock.

* Through this evening.

* Tropical moisture associated with the Remnants of Ida will bring 
  heavy rainfall to the area.

* Rainfall rates will rapidly increase Thursday morning with heavy 
  rain persisting into Thursday afternoon. Rainfall rates will 
  likely exceed 1 inch per hour at times Thursday. Rainfall totals 
  of 2.00 to 4.00 inches are expected from late tonight into late 
  Thursday evening. Locally higher amounts are possible. These 
  rainfall totals and rain rates could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Nouhan
561 
WGUS61 KCAR 021318
FFACAR

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Caribou ME
918 AM EDT Thu Sep 2 2021

MEZ016-029-021430-
/O.CAN.KCAR.FF.A.0002.000000T0000Z-210903T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Interior Hancock-Coastal Hancock-
Including the cities of Orland, Castine, Aurora, Bucksport, Bar
Harbor, Dedham, Amherst, Great Pond, Eastbrook, and Ellsworth
918 AM EDT Thu Sep 2 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for Portions of Coastal DownEast and Interior 
DownEast Maine., including the following areas, in Coastal DownEast 
Maine, Coastal Hancock. In Interior DownEast Maine, Interior Hancock 
has been cancelled.

The Flood Watch is cancelled.

$$

MEZ017-030-021900-
/O.EXT.KCAR.FF.A.0002.000000T0000Z-210902T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Central Washington-Coastal Washington-
Including the cities of Eastport, Perry, Princeton, Calais,
Wesley, Grand Lake Stream, Machias, and Cherryfield
918 AM EDT Thu Sep 2 2021

...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

The Flash Flood Watch is now in effect for

* Portions of Coastal DownEast and Interior DownEast Maine., 
  including the following areas, in Coastal DownEast Maine, Coastal 
  Washington. In Interior DownEast Maine, Central Washington.

* Until 3 PM EDT this afternoon.

* Tropical moisture associated with the Remnants of Ida will 
  continue to bring heavy rainfall to the area.

* High rainfall rates will continue through early afternoon. 
  Rainfall rates will likely exceed 1 inch per hour at times. Storm 
  total rainfall of 2.00 to 3.50 inches is expected. Locally higher 
  amounts are possible in far eastern Washington county. These rain 
  rates and rainfall totals could lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Sinko
710 
WGUS61 KCAR 021606
FFACAR

Flood Watch
National Weather Service Caribou ME
1206 PM EDT Thu Sep 2 2021

MEZ017-030-021715-
/O.CAN.KCAR.FF.A.0002.000000T0000Z-210902T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Central Washington-Coastal Washington-
Including the cities of Eastport, Perry, Princeton, Calais,
Wesley, Grand Lake Stream, Machias, and Cherryfield
1206 PM EDT Thu Sep 2 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for Portions of Coastal DownEast and Interior 
DownEast Maine., including the following areas, in Coastal DownEast 
Maine, Coastal Washington. In Interior DownEast Maine, Central 
Washington has been cancelled.

The Flood Watch is cancelled. Flash Flooding is no longer expected 
to pose a threat. Pockets of heavy rain continue over portions of 
far eastern Washington county. Please continue to heed any potential 
road closures.

$$

Sinko

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 3:29 PM EDTSmall Craft AdvisoryCAR36 hr

Nearby

Flash Flood Watches in Maine, 2021Every flash flood watch in 2021

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.