Alert archive / Vermont / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 24, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jun 30, 2018, 10:44 PM EDT for Franklin County, Grand Isle County, Vermont; Clinton County, New York. It was in force for 61 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
- Jun 30, 2018, 10:44 PM EDT (02:44 UTC)
- Expired
- Jun 30, 2018, 11:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clinton County, NY, Franklin County, VT, Grand Isle County, VT
The radar
The Burlington radar (KCXX), 34 km from the middle of the area, began a volume at 02:47 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 00:00Z, 2.7 hours before the alert went out and 239 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
- 729 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1929 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
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 Jun 30, 7:33 PM EDT, 3 hours 11 minutes earlier.
Area forecast discussion, Jun 30, 7:33 PM EDT, 3 hours 11 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<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>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Jun 30, 2:50 AM EDT, 19 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Burlington VT 250 AM EDT Sat Jun 30 2018 NYZ029>031-034-VTZ003-004-006>008-010-012-016>019-010700- Southeastern St. Lawrence-Southern Franklin-Western Clinton- Western Essex-Orleans-Essex-Lamoille-Caledonia-Washington-Orange- Windsor-Eastern Franklin-Eastern Chittenden-Eastern Addison- Eastern Rutland- 250 AM EDT Sat Jun 30 2018 ...HEAT ADVISORY IN EFFECT FROM NOON SUNDAY TO 10 PM EDT MONDAY... This Hazardous Weather Outlook is for northern New York, central Vermont, northeast Vermont, northwest Vermont and southern Vermont. .DAY ONE...Today and Tonight. There is a chance for thunderstorms today, mainly late this afternoon into the first half of tonight. Some thunderstorms may be severe, with the potential for damaging winds. Small hail, dangerous cloud to ground lightning, and brief downpours can also be expected. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Heat Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NYZ026>028-035-087-VTZ001-002-005-009-011-010700- Northern St. Lawrence-Northern Franklin-Eastern Clinton- Eastern Essex-Southwestern St. Lawrence-Grand Isle-Western Franklin- Western Chittenden-Western Addison-Western Rutland- 250 AM EDT Sat Jun 30 2018 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM EDT MONDAY... This Hazardous Weather Outlook is for northern New York, central Vermont, northwest Vermont and southern Vermont. .DAY ONE...Today and Tonight. There is a chance for thunderstorms today, mainly late this afternoon into the first half of tonight. Some thunderstorms may be severe, with the potential for damaging winds. Small hail, dangerous cloud to ground lightning, and brief downpours can also be expected. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Heat Advisory. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Heat Advisory. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 11:44 PM EDT | Special Weather Statement | BTV | Franklin | 46 min |
| Jun 30, 11:51 PM EDT | Severe Thunderstorm Warning | BTV | Franklin, Grand Isle, Lamoille | 54 min |
| Jul 1, 12:45 AM EDT | Special Weather Statement | BTV | Caledonia, Franklin, Grand Isle, Lamoille, Orleans | 60 min |
| Jul 1, 1:42 AM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Washington | 18 min |
| Jul 1, 1:50 AM EDT | Special Weather Statement | BTV | Franklin, Grand Isle | 55 min |
| Jul 1, 3:16 AM EDT | Special Weather Statement | BTV | Caledonia | 59 min |
| Jul 1, 3:54 AM EDT | Special Weather Statement | BTV | Essex, Orleans | 66 min |
| Jul 1, 6:53 PM EDT | Special Weather Statement | BTV | Clinton | 22 min |
Nearby
Severe Thunderstorm Warnings in Vermont, 2018Severe Thunderstorm Warnings in New York, 2018Every severe thunderstorm warning in 2018
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.