Alert archive / New York / Mesoscale Discussions in 2005
Mesoscale Discussion 2401
The Storm Prediction Center issued this mesoscale discussion at Nov 9, 2005, 6:04 PM EST for 17 counties in New York; 4 counties in Pennsylvania. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- Nov 9, 2005, 6:04 PM EST (23:04 UTC)
- Expired
- Nov 9, 2005, 7:00 PM EST
- In force
- 56 min
- Issued by
- the Storm Prediction Center
All 21 counties
Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chemung County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Onondaga County, NY, Ontario County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tompkins County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, McKean County, PA, Potter County, PA, Tioga County, PA, Warren County, PA
The radar
The Buffalo radar (KBUF), 87 km from the middle of the area, began a volume at 23:06 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.1 hours before the alert went out and 84 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 347 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 10:49 AM EST | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 5 more | 116 min |
| Nov 9, 11:35 AM EST | Severe Thunderstorm Watch | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 1 more | 7 hr |
| Nov 9, 3:31 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Lawrence, Mercer and 1 more | 119 min |
| Nov 9, 4:35 PM EST | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 10 more | 4 hr |
| Nov 9, 6:45 PM EST | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Centre, Clearfield, Clinton, Lycoming and 8 more | 3 hr |
Nearby
Mesoscale Discussions in New York, 2005Mesoscale Discussions in Pennsylvania, 2005Every mesoscale discussion in 2005
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.