Alert archive / Maine / Mesoscale Discussions in 2008

Mesoscale Discussion 1313

June 10, 20089 counties in Maine; Coos County, New Hampshire

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2008, 5:49 PM EDT for 9 counties in Maine; Coos County, New Hampshire. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued
Jun 10, 2008, 5:49 PM EDT (21:49 UTC)
Expired
Jun 10, 2008, 6:45 PM EDT
In force
56 min
Issued by
the Storm Prediction Center

Counties Androscoggin County, ME, Aroostook County, ME, Franklin County, ME, Kennebec County, ME, Oxford County, ME, Penobscot County, ME, Piscataquis County, ME, Somerset County, ME, Waldo County, ME, Coos County, NH

The radar

The Caribou radar (KCBW), 173 km from the middle of the area, began a volume at 21:49 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, 9.8 hours before the alert went out and 183 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 2008-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 535 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 2008-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
535 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
102 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.

000 
ACUS11 KWNS 102150
SWOMCD
SPC MCD 102149 
MEZ000-NHZ000-VTZ000-102245-

MESOSCALE DISCUSSION 1313
NWS STORM PREDICTION CENTER NORMAN OK
0449 PM CDT TUE JUN 10 2008

AREAS AFFECTED...ME...NH

CONCERNING...SEVERE THUNDERSTORM WATCH 500...

VALID 102149Z - 102245Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 500
CONTINUES.

WELL DEFINED MCS HAS EVOLVED OVER SRN QUEBEC EXTENDING SWD ALONG THE
ME/NH LINE.  THIS ACTIVITY IS SPREADING QUICKLY NEWD AND WILL MOVE
ACROSS THE REMAINDER OF NRN ME FROM OXFORD COUNTY TO AROOSTOOK
COUNTY OVER THE NEXT FEW HOURS.  DAMAGING WINDS ARE LIKELY WITH THIS
COMPLEX OF STORMS AS 21Z SOUNDING FROM ALB DEPICTS A PLUME OF
REASONABLY STEEP LAPSE RATES EXTENDS INTO THIS REGION.

..DARROW.. 06/10/2008

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...CAR...GYX...BTV...

45107191 47586985 47116756 45736782 44266926 43767101

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 12:34 PM EDTMesoscale DiscussionSPCAndroscoggin, Franklin, Kennebec, Oxford, Piscataquis, Somerset and 1 more86 min
Jun 10, 1:16 PM EDTSevere Thunderstorm WatchSPCAndroscoggin, Aroostook, Cumberland, Franklin, Kennebec, Knox and 8 more11 hr
Jun 10, 5:47 PM EDTSevere Thunderstorm WatchSPCCheshire, Hillsborough7 hr

Nearby

Mesoscale Discussions in Maine, 2008Mesoscale Discussions in New Hampshire, 2008Every mesoscale discussion in 2008

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.