Alert archive / Connecticut / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 62, NWS Albany, NY

August 14, 1999Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at Aug 14, 1999, 1:13 AM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 62 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 14, 1999, 1:13 AM EDT (05:13 UTC)
Expired
Aug 14, 1999, 2:15 AM EDT
In force
62 min
Issued by
NWS Albany, NY
Area
Whole counties

County Northwest Hills Planning Region, CT

The radar

The Albany radar (KENX), 108 km from the middle of the area, began a volume at 05:13 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, 5.2 hours before the alert went out and 106 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-pSkew-T log-p diagram, Albany, NY at 00:00Z on 1999-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1901 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 1999-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1901 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
3.0
Supercell composite
15.3

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 Albany, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 13, 9:11 PM EDT, 4 hours 2 minutes earlier.

Area forecast discussion, Aug 13, 9:11 PM EDT, 4 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ALBANY NY
913 PM EDT FRI 13 1999

.DISC...A VRY BUSY NIGHT AS SVR WX ACRS CAP DSTRCT.

.SHORT TERM...A VRY STG SUPERCELL MOVG JST N OF ALBANY AT MOMENT.
EXTREMELY JUICY AIRMASS WITH TDS IN 70S. 00Z KALY SNDG VRY IMPRESSIVE
WITH CAPES ARND 1500 J/KG...HELICITY 323...SWEAT INDEX OF 382. SO FAR
RPTS OF 50 KT WNDS AT KALB AND QUARTER SIZE HAIL JST N OF TROY. WL
ADD HEIGHTENED WRDG TO FCST...WITH MTN OF STG GUSTY WNDS...HAIL AND
TORRENTIAL DWONPOURS.

.LONG TERM...NO CHNGS TO PRVS FCST.

ALY...SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT ULSTER AND DUTCHESS
COUNTIES.

In the hours before

Local storm report, Aug 13, 10:39 PM EDT, 2 hours 34 minutes before
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Local storm report, Aug 13, 11:39 PM EDT, 1 hour 34 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>

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 8:35 PM EDTTornado WarningALYAlbany, Rensselaer40 min
Aug 13, 9:15 PM EDTTornado WarningALYRensselaer45 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1999Every severe thunderstorm warning in 1999

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.