Alert archive / New Jersey / Areal Flood Advisories in 2009

Areal Flood Advisory 24, NWS Philadelphia/Mount Holly

June 30, 2009Morris County, Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood advisory at Jun 30, 2009, 4:06 PM EDT for Morris County, Sussex County, New Jersey. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jun 30, 2009, 4:06 PM EDT (20:06 UTC)
Expired: Jun 30, 2009, 7:00 PM EDT
In force: 3 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Morris County, NJ, Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 118 km from the middle of the area, began a volume at 20:06 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, 8.1 hours before the alert went out and 148 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: 11 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 1760 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 105 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 areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood advisory went out at Jun 30, 3:45 PM EDT, 21 minutes earlier.

Area forecast discussion, Jun 30, 3:45 PM EDT, 21 minutes before

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Hazardous weather outlook, Jun 30, 1:16 PM EDT, 2 hours 50 minutes before

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In the hours before

Special weather statement, Jun 30, 1:45 PM EDT, 2 hours 21 minutes before

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Special weather statement, Jun 30, 2:03 PM EDT, 2 hours 3 minutes before

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Special weather statement, Jun 30, 2:18 PM EDT, 1 hour 48 minutes before

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Special weather statement, Jun 30, 3:38 PM EDT, 28 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Jun 30, 3:49 PM EDT, 17 minutes before

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      <p id="message2">
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jun 30, 3:57 PM EDT, 9 minutes before

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      <p id="message1">
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      </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.
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The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 3:12 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon	63 min
Jun 30, 1:15 PM EDT	Severe Thunderstorm Warning	PHI	Berks	75 min
Jun 30, 2:31 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	44 min
Jun 30, 2:51 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	54 min
Jun 30, 3:13 PM EDT	Flash Flood Warning	PHI	Bucks, Montgomery	114 min

Nearby

Areal Flood Advisories in New Jersey, 2009 Every areal flood advisory in 2009

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.