Alert archive / Pennsylvania / Flood Watches in 2007
Flood Watch 2, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flood watch at Feb 28, 2007, 11:14 AM EST for 8 counties in Pennsylvania. It took effect at Mar 1, 2007, 12:00 PM EST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2007, 11:14 AM EST (16:14 UTC)
- In effect from
- Mar 1, 2007, 12:00 PM EST
- Expired
- Mar 2, 2007, 3:36 AM EST
- In force
- 16 hr
- Issued by
- NWS Pittsburgh, PA
- Flood severity
- None
Counties Armstrong County, PA, Butler County, PA, Clarion County, PA, Forest County, PA, Jefferson County, PA, Lawrence County, PA, Mercer County, PA, Venango County, PA
The radar
The Pittsburgh radar (KPBZ), 83 km from the middle of the area, began a volume at 16:16 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
Pittsburgh, PA (KPIT), launched 12:00Z, 4.2 hours before the alert went out and 90 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 861 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Flood Watches in Pennsylvania, 2007Flood Watches in West Virginia, 2007Every flood watch in 2007
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.