Alert archive / Connecticut / Special Weather Statements in 2018

Special Weather Statement, NWS New York, NY

August 2, 2018

NWS New York, NY issued this special weather statement at Aug 2, 2018, 6:46 PM EDT. It was in force for 44 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 2, 2018, 6:46 PM EDT (22:46 UTC)
Expired: Aug 2, 2018, 7:30 PM EDT
In force: 44 min
Issued by: NWS New York, NY

The radar

The Boston radar (KBOX), 95 km from the middle of the area, began a volume at 22:46 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, 10.8 hours before the alert went out and 102 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: 1199 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 650 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before this special weather statement went out at Aug 2, 4:59 PM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, Aug 2, 4:59 PM EDT, 1 hour 47 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Aug 2, 4:52 PM EDT, 1 hour 54 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Aug 2, 4:21 PM EDT, 2 hours 25 minutes before

Special Weather Statement
National Weather Service New York NY
421 PM EDT THU AUG 2 2018

CTZ005-006-009-NYZ068-070-071-022100-
Northern Fairfield-Southern Fairfield-Northern New
Haven-Putnam-Southern Westchester-Northern Westchester-
421 PM EDT THU AUG 2 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT FAIRFIELD...WEST
CENTRAL NEW HAVEN...WESTCHESTER AND EASTERN PUTNAM COUNTIES...

At 421 PM EDT, strong thunderstorms were clustered over Bedford, or
near Mount Kisco, moving northeast at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Stamford, Norwalk, Danbury, Shelton, Southbury, New Canaan, Mount
Kisco, Mahopac, Sherman, Brewster, Newtown, Fairfield, Greenwich,
Trumbull and Harrison.

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

LAT...LON 4153 7345 4149 7344 4151 7339 4151 7338
      4149 7337 4147 7331 4149 7333 4151 7332
      4151 7323 4134 7303 4101 7371 4125 7395
      4153 7354 4153 7353 4154 7353 4158 7347
TIME...MOT...LOC 2021Z 243DEG 28KT 4120 7366

JMC

Special weather statement, Aug 2, 4:38 PM EDT, 2 hours 8 minutes before

Special Weather Statement
National Weather Service New York NY
438 PM EDT THU AUG 2 2018

CTZ009-NJZ103-104-NYZ068>071-022115-
Southern Fairfield-Western Bergen-Eastern
Bergen-Putnam-Rockland-Southern Westchester-Northern Westchester-
438 PM EDT THU AUG 2 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN FAIRFIELD...
CENTRAL BERGEN...WESTCHESTER...CENTRAL PUTNAM AND ROCKLAND
COUNTIES...

At 438 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Peekskill to Paramus. Movement was
northeast at 50 mph.

Winds in excess of 30 mph are possible with these storms.

Locations impacted include...
Stamford, Hackensack, New City, Bergenfield, Paramus, Ossining,
Ridgewood, Peekskill, New Canaan, Monsey, Nanuet, Haverstraw,
Tarrytown, Mount Kisco and Dobbs Ferry.

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

LAT...LON 4115 7349 4085 7412 4086 7411 4091 7413
      4128 7404 4151 7373 4152 7364
TIME...MOT...LOC 2038Z 227DEG 44KT 4128 7398 4095 7408

JMC

Special weather statement, Aug 2, 4:51 PM EDT, 1 hour 55 minutes before

Special Weather Statement
National Weather Service New York NY
451 PM EDT THU AUG 2 2018

CTZ006-007-022130-
Northern New Haven-Northern Middlesex-
451 PM EDT THU AUG 2 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL NEW HAVEN AND
NORTHERN MIDDLESEX COUNTIES...

At 451 PM EDT, a strong thunderstorm was located over Cheshire, or
near Wallingford, moving northeast at 25 mph.

Winds in excess of 40 mph are possible with this storm.

This storm will be near...
  Wallingford around 455 PM EDT.
  Durham around 505 PM EDT.
  Middlefield around 510 PM EDT.
  Meriden around 515 PM EDT.
  Middletown around 520 PM EDT.
  East Hampton and Cromwell around 530 PM EDT.

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

LAT...LON 4153 7244 4137 7290 4152 7303 4157 7294
      4156 7295 4156 7288 4154 7285 4157 7285
      4157 7283 4155 7282 4157 7280 4158 7275
      4159 7275 4161 7272 4163 7271 4164 7263
      4163 7262 4164 7250
TIME...MOT...LOC 2051Z 239DEG 22KT 4149 7289

JMC

Special weather statement, Aug 2, 5:06 PM EDT, 1 hour 40 minutes before

Special Weather Statement
National Weather Service New York NY
506 PM EDT THU AUG 2 2018

CTZ005-006-NYZ068-022145-
Northern Fairfield-Northern New Haven-Putnam-
506 PM EDT THU AUG 2 2018

...STRONG THUNDERSTORMS WILL AFFECT CENTRAL FAIRFIELD...NORTHWESTERN
NEW HAVEN AND EASTERN PUTNAM COUNTIES...

At 504 PM EDT, strong thunderstorms were located over northern
portions of Fairfield and New Haven counties, moving northeast at 35
mph.

Winds in excess of 30 mph are possible with this activity.

Locations impacted include...
Waterbury, Danbury, Shelton, Naugatuck, Southbury, Wolcott, Sherman,
Newtown, Hamden, Trumbull, Cheshire, Ridgefield, North Haven, Monroe
and Bethel.

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

LAT...LON 4156 7295 4156 7290 4137 7289 4122 7349
      4128 7354 4136 7354 4136 7358 4151 7364
      4153 7353 4155 7353 4157 7347 4149 7344
      4151 7339 4147 7331 4149 7333 4151 7332
      4151 7316 4156 7316 4164 7294
TIME...MOT...LOC 2104Z 238DEG 28KT 4144 7335

JMC

Special weather statement, Aug 2, 6:03 PM EDT, 43 minutes before

Special Weather Statement
National Weather Service New York NY
603 PM EDT THU AUG 2 2018

CTZ006>008-022245-
Northern New London-Northern New Haven-Northern Middlesex-
603 PM EDT THU AUG 2 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN NEW LONDON...NORTH
CENTRAL NEW HAVEN AND NORTHERN MIDDLESEX COUNTIES...

At 603 PM EDT, a strong thunderstorm was located over Middletown,
moving northeast at 35 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Waterbury, Meriden, Middletown, Wallingford, Wolcott, Colchester,
East Hampton, Durham, Hamden, Cheshire, North Haven, Cromwell,
Portland, Prospect and Woodbridge.

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

LAT...LON 4166 7216 4165 7204 4137 7300 4156 7300
      4159 7294 4156 7295 4156 7288 4154 7285
      4157 7284 4155 7282 4158 7275 4163 7271
      4164 7263 4165 7250 4158 7247 4160 7234
      4164 7233 4167 7227 4169 7227 4171 7224
TIME...MOT...LOC 2203Z 243DEG 29KT 4158 7267

JMC

Special weather statement, Aug 2, 6:46 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service New York NY
646 PM EDT THU AUG 2 2018

CTZ008-022330-
Northern New London-
646 PM EDT THU AUG 2 2018

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

At 646 PM EDT, a strong thunderstorm was located over Columbia, or
near Colchester, moving east at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Jewett City, Norwich, Colchester, Griswold, Lebanon, Lisbon, Sprague,
Bozrah, Voluntown and Franklin.

LAT...LON 4158 7240 4160 7240 4159 7239 4160 7238
      4160 7233 4164 7233 4167 7227 4169 7227
      4171 7224 4166 7216 4166 7212 4163 7196
      4164 7186 4164 7179 4156 7179
TIME...MOT...LOC 2246Z 262DEG 25KT 4165 7230

NV

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 2:46 PM EDT	Special Weather Statement	OKX	Westchester	44 min
Aug 2, 3:49 PM EDT	Special Weather Statement	OKX	Rockland	41 min
Aug 2, 4:21 PM EDT	Special Weather Statement	OKX	Westchester	39 min
Aug 2, 4:38 PM EDT	Special Weather Statement	OKX	Putnam, Rockland, Westchester	37 min
Aug 2, 4:47 PM EDT	Areal Flood Advisory	OKX	Putnam, Westchester	118 min
Aug 2, 3:37 PM EDT	Severe Thunderstorm Warning	OKX	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	23 min
Aug 2, 4:06 PM EDT	Special Weather Statement	OKX		39 min
Aug 2, 4:51 PM EDT	Special Weather Statement	OKX		39 min
Aug 2, 5:06 PM EDT	Special Weather Statement	OKX		39 min
Aug 2, 6:03 PM EDT	Special Weather Statement	OKX		42 min
Aug 2, 6:07 PM EDT	Areal Flood Advisory	OKX	Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region	83 min

Nearby

Special Weather Statements in Connecticut, 2018 Every special weather statement in 2018

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.