Alert archive / West Virginia / Flood Watches in 2009
Flood Watch 6, NWS Charleston, WV
NWS Charleston, WV issued this flood watch at Jul 28, 2009, 2:52 PM EDT for 4 counties in West Virginia. It took effect at Jul 29, 2009, 4:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 28, 2009, 2:52 PM EDT (18:52 UTC)
- In effect from
- Jul 29, 2009, 4:00 AM EDT
- Expired
- Jul 29, 2009, 11:08 AM EDT
- In force
- 7 hr
- Issued by
- NWS Charleston, WV
- Flood severity
- None
Counties Logan County, WV, McDowell County, WV, Mingo County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 75 km from the middle of the area, began a volume at 18:55 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 243 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
- 1744 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 655 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Flood Watches in West Virginia, 2009Every flood watch 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.