Alert archive / Maine / Flash Flood Watches in 2014

Flash Flood Watch 4, NWS Caribou, ME

October 16, 2014Penobscot County, Piscataquis County, Maine

NWS Caribou, ME issued this flash flood watch at Oct 16, 2014, 1:15 PM EDT for Penobscot County, Piscataquis County, Maine. It took effect at Oct 17, 2014, 12:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Oct 16, 2014, 1:15 PM EDT (17:15 UTC)
In effect from
Oct 17, 2014, 12:00 AM EDT
Expired
Oct 17, 2014, 10:32 AM EDT
In force
11 hr
Issued by
NWS Caribou, ME
Flood severity
None

Counties Penobscot County, ME, Piscataquis County, ME

The radar

The Caribou radar (KCBW), 101 km from the middle of the area, began a volume at 17:17 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, 5.3 hours before the alert went out and 218 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 2014-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 12:00Z on 2014-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
32 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 4:32 AM EDTSmall Craft AdvisoryCAR4 days

Nearby

Flash Flood Watches in Maine, 2014Every flash flood watch 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.