Alert archive / Vermont / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 54, NWS Burlington, VT

August 26, 1997Addison County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Aug 26, 1997, 5:08 PM EDT for Addison County, Vermont. It was in force for 67 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: Aug 26, 1997, 5:08 PM EDT (21:08 UTC)
Expired: Aug 26, 1997, 6:15 PM EDT
In force: 67 min
Issued by: NWS Burlington, VT
Area: Whole counties

County Addison County, VT

The radar

The Burlington radar (KCXX), 53 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 159 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 131 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 31 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Aug 26, 2:16 PM EDT, 2 hours 52 minutes earlier.

Area forecast discussion, Aug 26, 2:16 PM EDT, 2 hours 52 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BURLINGTON VT
2 PM EDT TUE AUG 26 1997

TCU DVLPG OVR THE GREEN MTNS SO INCLD CHC OF AN AFTN SHWR IN MPV
TAF. OTRW CI/AC SPRDG INTO WRN NY.

MODELS CONT TREND WITH H5 S/W MOVG ACRS SRN CANADA TNGT WITH VORT
LOBE MOVG ACRS WRN NY WED. AS TROF BCMS ESTABLISHED...EXPECT UNSTLD
WX WED NGT/THURS.

ASOCD SFC LOW TRACKS ACRS JAMES BAY RGN BY 24 HRS AND THEN CONTS TO
MOV E SLOWLY THEREAFTR. THE ASOCD CDFNT MOVS INTO WRN NY WED
AFTN/EVE APRCHNG VT LATR WED NGT. BEST CHC OF TSTMS OUR CWA DURG THE
LATE AFTN/ERLY NGT ON WED. AMT OF CLD COVER AND HEATING WL DETERMINE
THEIR STRENGTH.

IN THE SHORT TERM...CLDS WILL THICKEN OVRNGT. PCPN WHICH REACHES THE
AREA ERLY WED MRNG SHUD BE LIGHT AND SHOWERY. PRESENT TIMING LKS
REASONABLE...TWDS MRNG NRN NY AND ARND DAYBREAK IN VT.

FWC SEEMS REASONABLE...70S OR 75-80 FOR HIS WED...AND LOWS ARND
60...60-65 CHMPLN VLY...AND MID 70S THURS. NGM WETTER THAN ETA AS
NOTED ON BUFKIT...LEAN TWD ETA IN THIS SITUATION.

SFH

In the hours before

Local storm report, Aug 26, 4:38 PM EDT, 30 minutes before

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Local storm report, Aug 26, 4:39 PM EDT, 29 minutes before

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<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.
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The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 26, 4:15 PM EDT	Severe Thunderstorm Warning	BTV	Essex	60 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1997 Every severe thunderstorm warning in 1997

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.