Alert archive / Maine / Flash Flood Warnings in 2012

Flash Flood Warning 9, NWS Gray, ME

July 14, 2012Kennebec County, Somerset County, Waldo County, Maine

NWS Gray, ME issued this flash flood warning at Jul 14, 2012, 4:22 PM EDT for Kennebec County, Somerset County, Waldo County, Maine. It was in force for 83 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 14, 2012, 4:22 PM EDT (20:22 UTC)
Expired
Jul 14, 2012, 5:45 PM EDT
In force
83 min
Issued by
NWS Gray, ME
Area
Storm-based polygon
Flood severity
None

Counties Kennebec County, ME, Somerset County, ME, Waldo County, ME

The radar

The Portland,ME radar (KGYX), 109 km from the middle of the area, began a volume at 20:25 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, 8.4 hours before the alert went out and 109 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 2012-07-14Temperature 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 2012-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939Sfc1 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
2160 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-24 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.

650 
WGUS51 KGYX 142022
FFWGYX
MEC011-025-027-142145-
/O.NEW.KGYX.FF.W.0009.120714T2022Z-120714T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAY ME
422 PM EDT SAT JUL 14 2012

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN KENNEBEC COUNTY IN SOUTH CENTRAL MAINE...
  SOUTHEASTERN SOMERSET COUNTY IN WEST CENTRAL MAINE...
  NORTHWESTERN WALDO COUNTY IN SOUTH CENTRAL MAINE...

* UNTIL 545 PM EDT

* AT 418 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR BURNHAM...OR 7 MILES SOUTH
  OF PITTSFIELD...MOVING SOUTH AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS 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.

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4459 6932 4460 6946 4462 6953 4474 6953
      4476 6945 4474 6932

$$

KIMBLE
1 follow-up statement
411 
WGUS71 KGYX 142102
FFSGYX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GRAY ME
502 PM EDT SAT JUL 14 2012

MEC011-025-027-142145-
/O.CON.KGYX.FF.W.0009.000000T0000Z-120714T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENNEBEC ME-SOMERSET ME-WALDO ME-
502 PM EDT SAT JUL 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
NORTHWESTERN WALDO...SOUTHEASTERN SOMERSET AND NORTHEASTERN KENNEBEC
COUNTIES...

ALTHOUGH HEAVY RAINFALL HAS ENDED ACROSS THE WARNING AREA... 
CONTINUED FLOODING MAY OCCUR AS FLOODWATER DRAINS AWAY. ADDITIONAL 
SHOWERS ARE POSSIBLE THIS AFTERNOON WHICH MAY INCREASE THE FLASH 
FLOODING THREAT AGAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
CARRABASSETT STREAM...BEAVER BROOK...FIFTEENMILE STREAM...SEBASTICOOK
RIVER...JOHNSON BROOK...FOWLER BROOK...SPRING BROOK...SANDY STREAM
AND KENNEBEC RIVER.

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4459 6932 4460 6946 4462 6953 4474 6953
      4476 6945 4474 6932

$$

KIMBLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 3:51 PM EDTSevere Thunderstorm WarningGYXSomerset, Waldo39 min
Jul 14, 4:08 PM EDTAreal Flood AdvisoryGYXKennebec, Somerset, Waldo82 min
Jul 14, 4:11 PM EDTSevere Thunderstorm WarningGYXKennebec, Somerset, Waldo49 min
Jul 14, 5:06 PM EDTSpecial Weather StatementGYXKennebec24 min
Jul 14, 5:38 PM EDTSpecial Weather StatementGYXFranklin37 min
Jul 14, 6:13 PM EDTAreal Flood AdvisoryGYXFranklin92 min
Jul 14, 6:59 PM EDTSpecial Weather StatementGYXWaldo46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.