Alert archive / Connecticut / Special Weather Statements in 2021

Special Weather Statement, NWS New York, NY

November 12, 2021

NWS New York, NY issued this special weather statement at Nov 12, 2021, 1:21 PM EST. It was in force for 54 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 12, 2021, 1:21 PM EST (18:21 UTC)
Expired: Nov 12, 2021, 2:15 PM EST
In force: 54 min
Issued by: NWS New York, NY
Hail: 0.00 in
Wind: 30

The radar

The Brookhaven radar (KOKX), 86 km from the middle of the area, began a volume at 18:25 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.

What was reported inside it

Time	Report	Where	Remark
Nov 12, 1:30 PM EST	NON-TSTM WND GST 56	Groton Airport, CT
Nov 12, 1:30 PM EST	NON-TSTM WND GST 64	Groton Airport, CT	CORRECTS PREVIOUS NON-TSTM WND GST REPORT FROM GROTON AIRPORT.
Nov 12, 2:20 PM EST	MARINE TSTM WIND 41	Groton, CT	36 KT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.4 hours before the alert went out and 86 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: 191 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 601 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 262 m²/s²
0-3 km storm-relative helicity: 370 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

As transmitted.

549 
WWUS81 KOKX 121821
SPSOKX

Special Weather Statement
National Weather Service New York NY
121 PM EST Fri Nov 12 2021
 
CTZ006>008-010>012-121915-
Southern Middlesex CT-Southern New London CT-Northern New London CT-
Northern New Haven CT-Northern Middlesex CT-Southern New Haven CT-
121 PM EST Fri Nov 12 2021

...A strong thunderstorm will impact portions of New London, eastern
New Haven and Middlesex Counties through 215 PM EST...

At 120 PM EST, Doppler radar was tracking thunderstorms near New 
Haven, moving east at 35 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Jewett City, New Haven, Meriden, Middletown, Wallingford, Norwich,
New London, Guilford, Colchester, Clinton, East Hampton, Groton, Old
Saybrook, Durham and Salem.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4142 7180 4141 7184 4134 7183 4132 7185
      4133 7189 4129 7201 4130 7216 4128 7221
      4123 7287 4156 7292 4154 7283 4158 7273
      4163 7269 4165 7252 4158 7247 4160 7234
      4164 7233 4171 7224 4166 7216 4164 7179
TIME...MOT...LOC 1820Z 258DEG 29KT 4132 7286 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

DBR

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 12, 9:12 AM EST	Special Weather Statement	OKX	Orange	78 min
Nov 12, 10:09 AM EST	Special Weather Statement	OKX	Richmond	66 min
Nov 12, 10:41 AM EST	Special Weather Statement	OKX	Putnam, Westchester	49 min
Nov 12, 11:07 AM EST	Special Marine Warning	OKX		53 min
Nov 12, 11:08 AM EST	Special Weather Statement	OKX	Bronx, Kings, Nassau, New York, Putnam, Queens and 3 more	82 min
Nov 12, 11:16 AM EST	Special Marine Warning	OKX		59 min
Nov 12, 11:20 AM EST	Special Marine Warning	OKX		55 min
Nov 12, 11:47 AM EST	Special Marine Warning	OKX		43 min
Nov 12, 12:09 PM EST	Special Weather Statement	OKX	Suffolk	66 min
Nov 12, 12:24 PM EST	Special Marine Warning	OKX		66 min
Nov 12, 1:10 PM EST	Special Marine Warning	OKX		65 min
Nov 12, 1:28 PM EST	Special Marine Warning	OKX		62 min
Nov 12, 1:36 PM EST	Special Weather Statement	OKX	Suffolk	54 min
Nov 12, 2:12 PM EST	Special Marine Warning	OKX		63 min
Nov 12, 3:28 PM EST	Gale Warning	OKX		30 hr
Nov 12, 6:10 PM EST	Small Craft Advisory	OKX		10 hr
Nov 12, 2:41 PM EST	Special Weather Statement	OKX		49 min

Nearby

Special Weather Statements in Connecticut, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.