Alert archive / Connecticut / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 21, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 24, 1999, 3:38 PM EDT for Naugatuck Valley 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
- Jul 24, 1999, 3:38 PM EDT (19:38 UTC)
- Expired
- Jul 24, 1999, 4:40 PM EDT
- In force
- 62 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
The radar
The Brookhaven radar (KOKX), 75 km from the middle of the area, began a volume at 19:38 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
Brookhaven, NY (KOKX), launched 12:00Z, 7.6 hours before the alert went out and 75 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
- 541 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1491 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNYC 241939 RRA SVRNYC CTC009-242040- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 338 PM EDT SAT JUL 24 1999 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN NEW HAVEN COUNTY IN SOUTH CENTRAL CONNECTICUT... * UNTIL 440 PM EDT... * AT 334 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON NY INDICATED A SEVERE THUNDERSTORM IN THE VICINITY OF SOUTHBURY ... MOVING EAST AT 25 MPH. * THE FOLLOWING LOCATIONS ARE IN THE PATH OF THIS STORM... PROSPECT... CHESHIRE... HAMDEN... NORTH HAVEN... WALLINGFORD... MERIDEN... BRANFORD... DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! .END/EKSTER/KLEIN
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 4:52 PM EDT | Severe Thunderstorm Warning | OKX | Naugatuck Valley Planning Region | 38 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.