Alert archive / Ohio / Flash Flood Watches in 2017
Flash Flood Watch 15, NWS Charleston, WV
NWS Charleston, WV issued this flash flood watch at Nov 5, 2017, 9:37 AM EST for Morgan County, Perry County, Ohio. It took effect at Nov 5, 2017, 6:00 PM EST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 5, 2017, 9:37 AM EST (14:37 UTC)
- In effect from
- Nov 5, 2017, 6:00 PM EST
- Expired
- Nov 6, 2017, 6:00 AM EST
- In force
- 12 hr
- Issued by
- NWS Charleston, WV
- Flood severity
- None
Counties Morgan County, OH, Perry County, OH
The radar
The Charleston,WV radar (KRLX), 155 km from the middle of the area, began a volume at 14:40 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.6 hours before the alert went out and 153 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
- 214 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
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 Charleston, WV wrote its last area forecast discussion before this flash flood watch went out at Nov 5, 7:46 AM EST, 1 hour 51 minutes earlier.
Area forecast discussion, Nov 5, 7:46 AM EST, 1 hour 51 minutes before
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</html>Hazardous weather outlook, Nov 5, 2:45 AM EST, 6 hours 52 minutes before
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Flash Flood Watches in Ohio, 2017Every flash flood watch in 2017
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.