Alert archive / New York / Mesoscale Discussions in 2004

Mesoscale Discussion 1162

June 9, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2004, 6:28 PM EDT for 4 states. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
Jun 9, 2004, 6:28 PM EDT (22:28 UTC)
Expired
Jun 9, 2004, 7:30 PM EDT
In force
62 min
Issued by
the Storm Prediction Center
All 27 counties

Franklin County, MA, Cheshire County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Sullivan County, NH, Albany County, NY, Chenango County, NY, Fulton County, NY, Hamilton County, NY, Herkimer County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Oswego County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Warren County, NY, Washington County, NY, Bennington County, VT, Rutland County, VT, Windham County, VT, Windsor County, VT

The radar

The Albany radar (KENX), 62 km from the middle of the area, began a volume at 22:29 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

Albany, NY (KALY), launched 12:00Z, 10.5 hours before the alert went out and 53 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, Albany, NY at 12:00Z on 2004-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 192 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, Albany, NY at 12:00Z on 2004-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
192 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
109 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 4:45 PM EDTSevere Thunderstorm WatchSPCBerkshire, Essex, Franklin, Hampshire, Middlesex, Worcester5 hr
Jun 9, 6:54 PM EDTMesoscale DiscussionSPCFranklin96 min
Jun 9, 7:55 PM EDTSevere Thunderstorm WatchSPCBarnstable, Bristol, Dukes, Hampden, Nantucket, Norfolk and 2 more5 hr
Jun 9, 1:04 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more86 min
Jun 9, 1:35 PM EDTSevere Thunderstorm WatchSPCBelknap, Carroll, Coos, Grafton, Merrimack, Strafford5 hr
Jun 9, 3:20 PM EDTMesoscale DiscussionSPCBelknap, Carroll, Coos, Grafton, Merrimack, Strafford85 min
Jun 9, 10:11 AM EDTMesoscale DiscussionSPCClinton, Essex, Franklin, Hamilton, Herkimer, Jefferson and 3 more2 hr
Jun 9, 11:20 AM EDTSevere Thunderstorm WatchSPCCayuga, Essex, Franklin, Fulton, Hamilton, Herkimer and 12 more6 hr
Jun 9, 1:00 PM EDTSevere Thunderstorm WatchSPCAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 2 more5 hr
Jun 9, 2:41 PM EDTMesoscale DiscussionSPCCayuga, Clinton, Essex, Franklin, Fulton, Hamilton and 13 more94 min
Jun 9, 3:44 PM EDTMesoscale DiscussionSPCAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 2 more91 min
Jun 9, 4:21 PM EDTMesoscale DiscussionSPCCayuga, Clinton, Essex, Franklin, Fulton, Hamilton and 13 more54 min
Jun 9, 5:27 PM EDTMesoscale DiscussionSPCCattaraugus, Chautauqua63 min
Jun 9, 5:50 PM EDTSevere Thunderstorm WatchSPCAllegany, Cattaraugus, Chautauqua4 hr

Nearby

Mesoscale Discussions in New York, 2004Mesoscale Discussions in New Hampshire, 2004Mesoscale Discussions in Vermont, 2004Every mesoscale discussion in 2004

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.