Alert archive / New York / Flash Flood Watches in 2013

Flash Flood Watch 3, NWS New York, NY

June 26, 201311 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut

NWS New York, NY issued this flash flood watch at Jun 26, 2013, 3:29 PM EDT for 11 counties in New York; 5 counties in New Jersey; 4 counties in Connecticut. It took effect at Jun 27, 2013, 12:00 PM EDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Jun 26, 2013, 3:29 PM EDT (19:29 UTC)
In effect from
Jun 27, 2013, 12:00 PM EDT
Expired
Jun 28, 2013, 3:22 PM EDT
In force
27 hr
Issued by
NWS New York, NY
Flood severity
None

Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Suffolk County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 71 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 71 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 2013-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2013-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.193958Sfc1 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
243 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
1078 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 25, 4:07 PM EDT, 23 hours 22 minutes earlier.

Area forecast discussion, Jun 25, 4:07 PM EDT, 23 hours 22 minutes before
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Hazardous weather outlook, Jun 25, 4:59 PM EDT, 22 hours 30 minutes before
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      <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.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 11:05 PM EDTSpecial Marine WarningOKX25 min
Jun 25, 11:07 PM EDTSpecial Weather StatementOKXKings, Nassau, New York, Queens53 min
Jun 26, 5:25 PM EDTAreal Flood AdvisoryOKXOrange95 min
Jun 26, 6:11 PM EDTSpecial Weather StatementOKXOrange49 min
Jun 26, 6:54 PM EDTSpecial Weather StatementOKXWestchester66 min
Jun 26, 7:03 PM EDTSpecial Marine WarningOKX42 min

Nearby

Flash Flood Watches in New York, 2013Flash Flood Watches in New Jersey, 2013Flash Flood Watches in Connecticut, 2013Every flash flood watch in 2013

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.