Alert archive / Connecticut / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 29, NWS Boston/Norton, MA

August 22, 2003Northeastern Connecticut Planning Region, Connecticut; Kent County, Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 22, 2003, 7:51 PM EDT for Northeastern Connecticut Planning Region, Connecticut; Kent County, Rhode Island. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 22, 2003, 7:51 PM EDT (23:51 UTC)
Expired: Aug 22, 2003, 8:15 PM EDT
In force: 24 min
Issued by: NWS Boston/Norton, MA
Area: Counties, with a storm outline in the text

Counties Northeastern Connecticut Planning Region, CT, Kent County, RI

The radar

The Boston radar (KBOX), 63 km from the middle of the area, began a volume at 23:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 22, 1:15 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.9 hours before the alert went out and 127 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: 728 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 59 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.

000 
WUUS51 KBOX 222351
SVRBOX
CTC015-RIC003-230015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
751 PM EDT FRI AUG 22 2003

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN KENT COUNTY IN RHODE ISLAND
  SOUTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT
    INCLUDING PLAINFIELD

* UNTIL 815 PM.

* AT 747 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PLAINFIELD...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COVENTRY AROUND 810 PM
  WEST GREENWICH AROUND 815 PM.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WIND STRONG ENOUGH TO
KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM
WINDOWS.

$$

LAT...LON 4172 7187 4163 7206 4160 7164 4172 7157

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 22, 6:56 PM EDT	Severe Thunderstorm Warning	BOX	Providence	49 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2003 Severe Thunderstorm Warnings in Rhode Island, 2003 Every severe thunderstorm warning in 2003

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.