Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 55, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jul 20, 1998, 2:03 PM EDT for Montgomery County, New York. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1998, 2:03 PM EDT (18:03 UTC)
- Expired
- Jul 20, 1998, 2:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Albany, NY
- Area
- Whole counties
County Montgomery County, NY
The radar
The Albany radar (KENX), 47 km from the middle of the area, began a volume at 18:03 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, 6.1 hours before the alert went out and 55 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
- 3024 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 579 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 13.2
The text
As transmitted, in the capitals the NWS used until 2016.
294 WUUS1 KALB 201804 RRA SVRALB NYC057-201850- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ALBANY NY 203 PM EDT MON JUL 20 1998 THE NATIONAL WEATHER SERVICE IN ALBANY NY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONTGOMERY COUNTY IN EASTERN NEW YORK * UNTIL 245 PM EDT * AT 200 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES EAST OF AMES MOVING EAST ABOUT 25 MILES AN HOUR. * THE SEVERE THUNDERSTORM WILL BE NEAR... 5 MILES EAST OF AMES AT 205 PM REACH THE MONTGOMERY-SCHENECTADY COUNTY LINE BY 235 PM IF YOU LIVE IN THIS AREA BE READY TO SEEK SHELTER IN A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST LEVEL...AWAY FROM WINDOWS. HTS/JQ |42.840 74.537 |42.819 74.428 |42.797 74.320 |42.776 74.211 |42.754 74.102
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Jul 20, 9:23 AM EDT, 4 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
923 AM EDT MON JUL 20 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0701 AM MIDDLEBURG NY WIND DAMAGE
07/20/98 SCHOHARIE WIRES DOWN REPORTED BY
COUNTY SHERIFFS OFFICEThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 6:48 AM EDT | Severe Thunderstorm Warning | ALY | Albany, Schoharie | 57 min |
| Jul 20, 1:55 PM EDT | Severe Thunderstorm Warning | ALY | Schoharie | 65 min |
Nearby
Severe Thunderstorm Warnings in New York, 1998Every severe thunderstorm warning 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.