Alert archive / New York / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 839
The Storm Prediction Center issued this severe thunderstorm watch at Sep 26, 1998, 8:00 PM EDT for Berkshire County, Massachusetts; 30 counties in New York; 4 counties in Vermont. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 26, 1998, 8:00 PM EDT (00:00 UTC)
- Expired
- Sep 27, 1998, 2:00 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Berkshire County, MA, Albany County, NY, Cayuga County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Essex County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Oswego County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Seneca County, NY, Warren County, NY, Washington County, NY, Wayne County, NY, Yates County, NY, Addison County, VT, Bennington County, VT, Rutland County, VT, Windham County, VT
The radar
The Ft Drum radar (KTYX), 21 km from the middle of the area, began a volume at 00:12 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.
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:41 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 64 min |
| Sep 26, 9:07 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 63 min |
| Sep 26, 9:12 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 63 min |
| Sep 26, 9:24 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 61 min |
| Sep 26, 9:27 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 63 min |
| Sep 26, 9:29 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 61 min |
| Sep 26, 9:33 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 77 min |
| Sep 26, 9:38 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga | 77 min |
| Sep 26, 10:10 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery | 75 min |
| Sep 26, 10:29 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 46 min |
| Sep 26, 10:34 PM EDT | Severe Thunderstorm Warning | ALY | Warren | 61 min |
| Sep 26, 10:55 PM EDT | Severe Thunderstorm Warning | ALY | Saratoga | 60 min |
| Sep 26, 11:07 PM EDT | Severe Thunderstorm Warning | ALY | Albany, Schenectady, Schoharie | 58 min |
| Sep 26, 11:25 PM EDT | Severe Thunderstorm Warning | ALY | Rensselaer, Washington | 60 min |
| Sep 26, 11:37 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 63 min |
| Sep 26, 11:49 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Greene | 61 min |
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 0.0 hours before the alert went out and 194 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
- 134 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 12:30 AM EDT | Severe Thunderstorm Watch | SPC | Barnstable, Berkshire, Bristol, Dukes, Essex, Franklin and 7 more | 4 hr |
| Sep 27, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 6 hr |
Nearby
Severe Thunderstorm Watches in New York, 1998Severe Thunderstorm Watches in Vermont, 1998Severe Thunderstorm Watches in Massachusetts, 1998Every severe thunderstorm watch in 1998
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.