Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 70, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Sep 26, 1998, 8:40 PM EDT for St. Lawrence County, New York. It was in force for 90 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 26, 1998, 8:40 PM EDT (00:40 UTC)
- Expired
- Sep 26, 1998, 10:10 PM EDT
- In force
- 90 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County St. Lawrence County, NY
The radar
The Ft Drum radar (KTYX), 94 km from the middle of the area, began a volume at 00:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 26, 9:21 PM EDT | Thunderstorm Wind | Gouverneur, NY | |
| Sep 26, 9:30 PM EDT | Thunderstorm Wind | Canton, NY |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 0.7 hours before the alert went out and 226 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.
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.
NWS Burlington, VT wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 26, 2:30 PM EDT, 6 hours 10 minutes earlier.
Area forecast discussion, Sep 26, 2:30 PM EDT, 6 hours 10 minutes before
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Special weather statement, Sep 26, 8:11 PM EDT, 29 minutes before
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</html>Special weather statement, Sep 26, 8:11 PM EDT, 29 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
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Please try again in a few minutes.
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</html>The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 3:26 AM EDT | Severe Thunderstorm Warning | BTV | Grand Isle | 49 min |
| Sep 27, 3:38 AM EDT | Severe Thunderstorm Warning | BTV | Franklin | 37 min |
| Sep 27, 5:14 AM EDT | Severe Thunderstorm Warning | BTV | Addison, Washington | 61 min |
| Sep 27, 6:26 PM EDT | Severe Thunderstorm Warning | BTV | Franklin | 34 min |
| Sep 27, 6:44 PM EDT | Severe Thunderstorm Warning | BTV | Orleans | 46 min |
| Sep 27, 7:02 PM EDT | Severe Thunderstorm Warning | BTV | Franklin | 33 min |
| Sep 27, 7:33 PM EDT | Severe Thunderstorm Warning | BTV | Lamoille | 32 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.