Alert archive / Maine / Flash Flood Warnings in 2011

Flash Flood Warning 4, NWS Caribou, ME

July 4, 2011Aroostook County, Maine

NWS Caribou, ME issued this flash flood warning at Jul 4, 2011, 3:07 PM EDT for Aroostook County, Maine. It was in force for 113 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 4, 2011, 3:07 PM EDT (19:07 UTC)
Expired: Jul 4, 2011, 5:00 PM EDT
In force: 113 min
Issued by: NWS Caribou, ME
Area: Storm-based polygon
Flood severity: None

County Aroostook County, ME

The radar

The Caribou radar (KCBW), 88 km from the middle of the area, began a volume at 19:09 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.

What was reported inside it

Time	Report	Where	Remark
Jul 4, 3:20 PM EDT	FLASH FLOOD	Caribou, ME	WATER OVER THE ROAD ON THE RIVER ROAD, OLD WASHBURN ROAD, AND MITCHELL ROAD
Jul 4, 4:00 PM EDT	FLASH FLOOD	Caribou, ME	YORK STREET CLOSED DUE TO FLOODING. WATER RUNNING OVER THE FORT FAIRFIELD ROAD.
Jul 4, 4:15 PM EDT	FLASH FLOOD	Caribou, ME	BROOK OVERFLOWED ITS BANKS FLOODING PORTIONS OF SWEDEN AND PROSPECT STREETS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Caribou, ME (KCAR), launched 12:00Z, 7.1 hours before the alert went out and 7 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 28 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 584 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

876 
WGUS51 KCAR 041907
FFWCAR
MEC003-042100-
/O.NEW.KCAR.FF.W.0004.110704T1907Z-110704T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
307 PM EDT MON JUL 4 2011

THE NATIONAL WEATHER SERVICE IN CARIBOU MAINE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL AROOSTOOK COUNTY IN NORTHERN MAINE...
  THIS INCLUDES THE CITIES OF...LIMESTONE...FORT FAIRFIELD...
  CARIBOU...

* UNTIL 500 PM EDT

* AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODLAND
  AND LORING

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
BROOKS AND STREAMS. IN ADDITION...COUNTRY ROADS AND FARMLAND ALONG 
THE BANKS OF BROOKS AND STREAMS WILL BE SUBJECT TO FLOODING. IF YOU 
ENCOUNTER WATER ON THE ROADWAY...TURN AROUND...DONT DROWN!

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

&&

LAT...LON 4675 6778 4671 6814 4690 6820 4701 6778

$$

FOSTER

2 follow-up statements

852 
WGUS71 KCAR 041948
FFSCAR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
348 PM EDT MON JUL 4 2011

MEC003-042100-
/O.CON.KCAR.FF.W.0004.000000T0000Z-110704T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AROOSTOOK ME-
348 PM EDT MON JUL 4 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR EAST
CENTRAL AROOSTOOK COUNTY...

AT 341 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODLAND AND 
CARIBOU.

LAW ENFORCEMENT REPORTS THE RIVER ROAD, OLD WASHBURN ROAD, AND 
MITCHELL ROAD IN CARIBOU ARE FLOODED. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. RESIDENTS 
LIVING ALONG STREAMS AND BROOKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO 
PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING 
WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR MAINE.

&&

LAT...LON 4675 6778 4671 6814 4690 6820 4701 6778

$$

FOSTER

772 
WGUS71 KCAR 042058
FFSCAR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
458 PM EDT MON JUL 4 2011

MEC003-042106-
/O.EXP.KCAR.FF.W.0004.000000T0000Z-110704T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AROOSTOOK ME-
458 PM EDT MON JUL 4 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 500 PM EDT FOR EAST CENTRAL
AROOSTOOK COUNTY...

ALTHOUGH THE RAIN HAS ENDED ACROSS THE REGION...BROOKS AND STREAMS 
ARE STILL RUNNING HIGH FROM THE HEAVY RAINFALL. IF YOU ENCOUNTER 
WATER ON THE ROADWAY...TURN AROUND...DONT DROWN!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR MAINE.

LAT...LON 4675 6778 4671 6814 4690 6820 4701 6778

$$

FOSTER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 12:35 PM EDT	Severe Thunderstorm Warning	CAR	Piscataquis, Somerset	40 min
Jul 4, 1:11 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	22 min
Jul 4, 1:16 PM EDT	Severe Thunderstorm Warning	CAR	Piscataquis, Somerset	59 min
Jul 4, 1:39 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	51 min
Jul 4, 1:46 PM EDT	Severe Thunderstorm Warning	CAR	Piscataquis	44 min
Jul 4, 1:51 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	54 min
Jul 4, 2:19 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	41 min
Jul 4, 2:41 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis	49 min
Jul 4, 3:01 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	59 min
Jul 4, 3:29 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot	46 min
Jul 4, 4:12 PM EDT	Severe Thunderstorm Warning	CAR	Hancock, Penobscot	33 min
Jul 4, 6:46 PM EDT	Severe Thunderstorm Warning	CAR	Aroostook	30 min

Nearby

Flash Flood Warnings in Maine, 2011 Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.