Alert archive / Maine / Flash Flood Warnings in 2011

Flash Flood Warning 2, NWS Gray, ME

May 27, 2011Franklin County, Somerset County, Maine

NWS Gray, ME issued this flash flood warning at May 27, 2011, 1:24 AM EDT for Franklin County, Somerset County, Maine. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 27, 2011, 1:24 AM EDT (05:24 UTC)
Expired
May 27, 2011, 4:15 AM EDT
In force
3 hr
Issued by
NWS Gray, ME
Area
Storm-based polygon
Flood severity
None

Counties Franklin County, ME, Somerset County, ME

The radar

The Portland,ME radar (KGYX), 181 km from the middle of the area, began a volume at 05:24 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 00:00Z, 5.4 hours before the alert went out and 181 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 00:00Z on 2011-05-27Temperature 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 00:00Z on 2011-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 square meters per square second.193958Sfc1 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
800 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
276 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.

450 
WGUS51 KGYX 270524
FFWGYX
MEC007-025-270815-
/O.NEW.KGYX.FF.W.0002.110527T0524Z-110527T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAY ME
124 AM EDT FRI MAY 27 2011

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL SOMERSET COUNTY IN WEST CENTRAL MAINE...
  FRANKLIN COUNTY IN WESTERN MAINE...

* UNTIL 415 AM EDT

* AT 120 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM CONTINUED SHOWERS AND THUNDERSTORMS OVER       
  SOMERSET AND FRANKLIN COUNTIES. BETWEEN 1 AND 2 INCHES OF RAIN HAS 
  FALLEN AND ANOTHER INCH OF RAIN IS POSSIBLE OVER THE NEXT 3 HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STRATTON...
  SEBOOMOOK...ROCKWOOD...JACKMAN...EUSTIS...RANGELEY...LAKE MOXIE...
  AND COBURN GORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

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 4586 6965 4586 6970 4576 6971 4571 6979
      4565 6969 4552 6977 4510 6964 4468 7054
      4480 7062 4475 7074 4501 7082 4542 7083
      4539 7065 4551 7074 4568 7056 4574 7040
      4580 7043 4588 7029 4596 7027 4599 6969

$$

HANES

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:36 PM EDTSevere Thunderstorm WarningGYXOxford39 min
May 26, 9:09 PM EDTAreal Flood AdvisoryGYXOxford3 hr
May 26, 9:16 PM EDTSpecial Weather StatementGYXOxford44 min
May 26, 9:23 PM EDTSevere Thunderstorm WarningGYXFranklin, Oxford37 min
May 26, 11:24 PM EDTFlash Flood WarningGYXOxford6 hr
May 27, 4:39 PM EDTSpecial Weather StatementGYXFranklin36 min
May 27, 5:14 PM EDTSevere Thunderstorm WarningGYXFranklin, Somerset46 min
May 27, 5:33 PM EDTSpecial Weather StatementGYXSomerset27 min
May 27, 6:19 PM EDTSevere Thunderstorm WarningGYXFranklin, Somerset41 min
May 27, 6:25 PM EDTSpecial Weather StatementGYXOxford50 min
May 27, 6:57 PM EDTSevere Thunderstorm WarningGYXSomerset33 min
May 27, 7:14 PM EDTSpecial Weather StatementGYXFranklin31 min
May 27, 7:19 PM EDTSpecial Weather StatementGYXFranklin26 min

Nearby

Flash Flood Warnings in Maine, 2011Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.