Alert archive / Maine / Flash Flood Warnings in 2014

Flash Flood Warning 21, NWS Gray, ME

August 7, 2014Waldo County, Maine

NWS Gray, ME issued this flash flood warning at Aug 7, 2014, 4:41 PM EDT for Waldo 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: Aug 7, 2014, 4:41 PM EDT (20:41 UTC)
Expired: Aug 7, 2014, 7:45 PM EDT
In force: 3 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: None

County Waldo County, ME

The radar

The Portland,ME radar (KGYX), 133 km from the middle of the area, began a volume at 20:41 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, 8.7 hours before the alert went out and 133 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: 13 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1431 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: -23 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.

284 
WGUS51 KGYX 072041
FFWGYX
MEC027-072345-
/O.NEW.KGYX.FF.W.0021.140807T2041Z-140807T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAY ME
441 PM EDT THU AUG 7 2014

THE NATIONAL WEATHER SERVICE IN GRAY MAINE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN WALDO COUNTY IN SOUTH CENTRAL MAINE...
  THIS INCLUDES THE CITY OF SEARSPORT...

* UNTIL 745 PM EDT

* AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTERPORT
  AND PROSPECT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. 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.

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.


&&

LAT...LON 4444 6885 4444 6893 4465 6917 4466 6915
      4470 6884 4469 6882 4466 6881 4462 6883
      4457 6879 4450 6880 4448 6882 4446 6880

$$

MBC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 12:55 PM EDT	Special Weather Statement	GYX	Oxford	35 min
Aug 7, 1:15 PM EDT	Special Weather Statement	GYX	Cumberland	30 min
Aug 7, 1:24 PM EDT	Areal Flood Advisory	GYX	Franklin, Oxford	111 min
Aug 7, 1:34 PM EDT	Special Weather Statement	GYX	Cumberland	26 min
Aug 7, 1:46 PM EDT	Special Weather Statement	GYX	York	29 min
Aug 7, 1:55 PM EDT	Special Weather Statement	GYX	Androscoggin	35 min
Aug 7, 2:15 PM EDT	Severe Thunderstorm Warning	GYX	Kennebec	45 min
Aug 7, 2:17 PM EDT	Severe Thunderstorm Warning	GYX	Oxford, York	43 min
Aug 7, 2:29 PM EDT	Severe Thunderstorm Warning	GYX	York	46 min
Aug 7, 2:37 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	38 min
Aug 7, 2:44 PM EDT	Severe Thunderstorm Warning	GYX	York	31 min
Aug 7, 2:55 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, York	50 min
Aug 7, 3:06 PM EDT	Special Marine Warning	GYX		54 min
Aug 7, 3:07 PM EDT	Severe Thunderstorm Warning	GYX	York	33 min
Aug 7, 3:52 PM EDT	Special Weather Statement	GYX	Waldo	23 min
Aug 7, 4:12 PM EDT	Areal Flood Advisory	GYX	Somerset, Waldo	2 hr
Aug 7, 5:12 PM EDT	Special Marine Warning	GYX		63 min
Aug 7, 5:25 PM EDT	Special Weather Statement	GYX	Somerset	50 min
Aug 7, 6:24 PM EDT	Areal Flood Advisory	GYX	Somerset	111 min

Nearby

Flash Flood Warnings in Maine, 2014 Every flash flood warning in 2014

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.