Alert archive / Pennsylvania / Areal Flood Advisories in 2018
Areal Flood Advisory 133, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 16, 2018, 3:38 PM EDT for Monroe County, Pennsylvania. It was in force for 73 min.
The area
The counties it named.
The facts
- Issued
- Jul 16, 2018, 3:38 PM EDT (19:38 UTC)
- Expired
- Jul 16, 2018, 4:51 PM EDT
- In force
- 73 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Monroe County, PA
The radar
The Binghamton radar (KBGM), 138 km from the middle of the area, began a volume at 19:37 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, 7.6 hours before the alert went out and 209 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.
- Mixed-layer CAPE
- 696 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 16, 9:27 AM EDT, 6 hours 11 minutes earlier.
Area forecast discussion, Jul 16, 9:27 AM EDT, 6 hours 11 minutes before
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</html>Hazardous weather outlook, Jul 16, 3:34 PM EDT, 4 minutes before
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</html>The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 3:58 PM EDT | Small Craft Advisory | PHI | 31 hr | |
| Jul 16, 3:44 PM EDT | Flash Flood Warning | PHI | Monroe | 2 hr |
Nearby
Areal Flood Advisories in Pennsylvania, 2018Every areal flood advisory 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.