Alert archive / Connecticut / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS New York, NY

May 31, 2002Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at May 31, 2002, 7:28 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 47 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: May 31, 2002, 7:28 PM EDT (23:28 UTC)
Expired: May 31, 2002, 8:15 PM EDT
In force: 47 min
Issued by: NWS New York, NY
Area: Whole counties

County Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 75 km from the middle of the area, began a volume at 23:28 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, 11.5 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.

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: 5 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 663 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

285 
WUUS51 KOKX 312328
SVROKX
CTC009-010015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
728 PM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT

* UNTIL 815 PM EDT.

* AT 723 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF SOUTHBURY...MOVING EAST AT 45
  MPH.

* THE SEVERE THUNDERSTORM WILL BE IN THE VICINITY OF...
  SOUTHBURY AROUND 735 PM.
  SOUTHFORD AROUND 740 PM.
  BEACON FALLS AND SEYMOUR AROUND 745 PM.
  BETHANY AND HAMDEN AROUND 755 PM.
  NORTH HAVEN AND WALLINGFORD AROUND 800 PM.

SOME OTHER LOCATIONS IN THE WARNING INCLUDE CHESHIRE AND MIDDLEBURY.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 55 MPH...LARGE DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAIN.

$$

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN UPTON NY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM FRIDAY
EVENING FOR NORTHEAST NEW JERSEY.

LAT...LON 4161 7344 4152 7346 4127 7284 4156 7278

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:05 PM EDT	Tornado Warning	OKX	Greater Bridgeport Planning Region	25 min
May 31, 7:24 PM EDT	Tornado Warning	OKX	Greater Bridgeport Planning Region	36 min
May 31, 7:36 PM EDT	Tornado Warning	OKX	Naugatuck Valley Planning Region	39 min
May 31, 7:45 PM EDT	Severe Thunderstorm Warning	OKX	Southeastern Connecticut Planning Region	45 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2002 Every severe thunderstorm warning in 2002

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.