Alert archive / Maine / Flash Flood Warnings in 2012

Flash Flood Warning 10, NWS Caribou, ME

June 29, 2012Aroostook County, Maine

NWS Caribou, ME issued this flash flood warning at Jun 29, 2012, 6:04 PM EDT for Aroostook County, Maine. It was in force for 99 min. 4 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
Jun 29, 2012, 6:04 PM EDT (22:04 UTC)
Expired
Jun 29, 2012, 7:43 PM EDT
In force
99 min
Issued by
NWS Caribou, ME
Area
Storm-based polygon
Flood severity
None

County Aroostook County, ME

The radar

The Caribou radar (KCBW), 113 km from the middle of the area, began a volume at 22:07 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

TimeReportWhereRemark
Jun 29, 6:27 PM EDTFLOODCaribou, MEMINOR STREET FLOODING DOWNTOWN AREA
Jun 29, 7:10 PM EDTFLASH FLOODCaribou, MEMADAWASKA ROAD FLOODED IN SPOTS.
Jun 29, 7:10 PM EDTFLASH FLOODNew Sweden, MENUMEROUS ROADS WASHED OUT.
Jun 29, 7:15 PM EDTFLASH FLOOD7 N Caribou, MEMADAWASKA ROAD FLOODED.

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, 10.1 hours before the alert went out and 21 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, Caribou, ME at 12:00Z on 2012-06-29Temperature 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, Caribou, ME at 12:00Z on 2012-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 square meters per square second.1939587897Sfc1 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
1208 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
216 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.

440 
WGUS51 KCAR 292204
FFWCAR
MEC003-300100-
/O.NEW.KCAR.FF.W.0010.120629T2204Z-120630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CARIBOU ME
604 PM EDT FRI JUN 29 2012

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...CARIBOU...

* UNTIL 900 PM EDT

* AT 558 PM EDT...VERY HEAVY RAINFALL WILL OCCUR WITH SEVERE THUNDERSTORMS 
  MOVING ACROSS THE REGION. RAINFALL AMOUNTS OF UP TO 2 INCHES PER HOUR
  CAN BE EXPECTED. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  STOCKHOLM...NEW SWEDEN AND WOODLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NEVER TRY TO CROSS FLOOD WATERS IN YOUR VEHICLE OR ON FOOT. THE FLOOD
WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING
WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN
ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...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 4713 6788 4711 6788 4709 6781 4706 6778
      4685 6778 4680 6817 4711 6822 4715 6790

$$
HEWITT
2 follow-up statements
789 
WGUS71 KCAR 292235
FFSCAR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
635 PM EDT FRI JUN 29 2012

MEC003-300100-
/O.CON.KCAR.FF.W.0010.000000T0000Z-120630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AROOSTOOK ME-
635 PM EDT FRI JUN 29 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR EAST
CENTRAL AROOSTOOK COUNTY...

AT 625 PM EDT...LAW ENFORCEMENT AND THE PUBLIC REPORTED VERY
HEAVY RAIN OVER THE WARNED AREA WITH STREET FLOODING IN CARIBOU AND 
OUT IN THE NEW SWEDEN AREA.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 4713 6788 4711 6788 4709 6781 4706 6778
      4685 6778 4680 6817 4711 6822 4715 6790

$$

HEWITT
545 
WGUS71 KCAR 292343
FFSCAR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CARIBOU ME
743 PM EDT FRI JUN 29 2012

MEC003-292352-
/O.CAN.KCAR.FF.W.0010.000000T0000Z-120630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AROOSTOOK ME-
743 PM EDT FRI JUN 29 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EAST CENTRAL
AROOSTOOK COUNTY...

THE SEVERE THUNDERSTORMS THAT PRODUCED FLASH FLOODING HAVE MOVED EAST 
OF THE AREA AND THEREFORE THE FLASH FLOOD THREAT HAS WEAKENED.

LAT...LON 4713 6788 4711 6788 4709 6781 4706 6778
      4685 6778 4680 6817 4711 6822 4715 6790

$$

HEWITT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 4:25 PM EDTSevere Thunderstorm WarningCARAroostook50 min
Jun 29, 5:07 PM EDTSevere Thunderstorm WarningCARAroostook, Piscataquis, Somerset53 min
Jun 29, 5:22 PM EDTSevere Thunderstorm WarningCARAroostook53 min
Jun 29, 5:30 PM EDTFlash Flood WarningCARAroostook2 hr
Jun 29, 5:56 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot, Piscataquis, Somerset64 min
Jun 29, 6:13 PM EDTSevere Thunderstorm WarningCARAroostook62 min
Jun 29, 6:24 PM EDTSevere Thunderstorm WarningCARPenobscot, Piscataquis66 min
Jun 29, 6:40 PM EDTSevere Thunderstorm WarningCARAroostook50 min
Jun 29, 6:58 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot, Piscataquis47 min
Jun 29, 7:29 PM EDTSevere Thunderstorm WarningCARAroostook19 min
Jun 29, 7:31 PM EDTSevere Thunderstorm WarningCARAroostook, Penobscot, Washington59 min

Nearby

Flash Flood Warnings in Maine, 2012Every flash flood warning in 2012

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.