Alert archive / Connecticut / Special Weather Statements in 2021

Special Weather Statement, NWS New York, NY

June 19, 2021

NWS New York, NY issued this special weather statement at Jun 19, 2021, 5:13 PM EDT. 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 outline as issued.

The facts

Issued
Jun 19, 2021, 5:13 PM EDT (21:13 UTC)
Expired
Jun 19, 2021, 6:00 PM EDT
In force
47 min
Issued by
NWS New York, NY

The radar

The Boston radar (KBOX), 76 km from the middle of the area, began a volume at 21:16 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, 9.2 hours before the alert went out and 112 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, Brookhaven, NY at 12:00Z on 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 square meters per square second.1939587897Sfc1 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
10 J/kg
Mixed-layer CIN
-293 J/kg
Mixed-layer LCL
877 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

698 
WWUS81 KOKX 192113
SPSOKX

Special Weather Statement
National Weather Service New York NY
513 PM EDT Sat Jun 19 2021

CTZ008-192200-
Northern New London-
513 PM EDT Sat Jun 19 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN NEW LONDON
COUNTY...

At 512 PM EDT, a strong thunderstorm was located over Griswold, or
near Jewett City, moving east at 15 mph.

Wind gusts up to 50 mph and half inch hail are possible with this
storm.

Locations impacted include...
Jewett City, Norwich, Griswold, Preston, Lisbon, Voluntown and North
Stonington.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4143 7180 4153 7206 4164 7198 4163 7195
      4164 7186 4164 7179
TIME...MOT...LOC 2112Z 292DEG 11KT 4160 7189 

$$

DJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 5:39 AM EDTRip Current StatementOKXSuffolk15 hr
Jun 19, 5:58 PM EDTSpecial Weather StatementOKXWestchester47 min
Jun 19, 6:45 PM EDTSpecial Weather StatementOKXWestchester45 min
Jun 19, 3:59 PM EDTSpecial Weather StatementOKX31 min
Jun 19, 4:33 PM EDTSpecial Weather StatementOKX42 min

Nearby

Special Weather Statements in Connecticut, 2021Every special weather statement in 2021

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.