Alert archive / Ohio / Areal Flood Advisories in 2012
Areal Flood Advisory 39, NWS Cleveland, OH
NWS Cleveland, OH issued this areal flood advisory at Sep 7, 2012, 6:26 PM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 81 min.
The area
The counties it named.
The facts
- Issued
- Sep 7, 2012, 6:26 PM EDT (22:26 UTC)
- Expired
- Sep 7, 2012, 7:47 PM EDT
- In force
- 81 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
Counties Mahoning County, OH, Trumbull County, OH
The radar
The Pittsburgh radar (KPBZ), 84 km from the middle of the area, began a volume at 22:27 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, 10.4 hours before the alert went out and 101 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
- 1010 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.3
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 Cleveland, OH wrote its last area forecast discussion before this areal flood advisory went out at Sep 6, 7:40 PM EDT, 22 hours 46 minutes earlier.
Area forecast discussion, Sep 6, 7:40 PM EDT, 22 hours 46 minutes before
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</html>The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 2:12 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina, Summit | 48 min |
| Sep 7, 2:17 PM EDT | Severe Thunderstorm Warning | CLE | Hancock, Wood | 58 min |
| Sep 7, 2:51 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron, Seneca | 54 min |
| Sep 7, 3:13 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Marion, Wyandot | 62 min |
| Sep 7, 3:18 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 57 min |
| Sep 7, 3:28 PM EDT | Special Marine Warning | CLE | 77 min | |
| Sep 7, 3:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Huron, Seneca | 19 min |
| Sep 7, 4:26 PM EDT | Gale Warning | CLE | 23 hr | |
| Sep 7, 4:29 PM EDT | Severe Thunderstorm Warning | CLE | Summit | 46 min |
| Sep 7, 4:46 PM EDT | Severe Thunderstorm Warning | CLE | Medina | 29 min |
| Sep 7, 4:49 PM EDT | Severe Thunderstorm Warning | CLE | Portage | 56 min |
| Sep 7, 5:52 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning, Portage, Stark, Trumbull | 53 min |
Nearby
Areal Flood Advisories in Ohio, 2012Every areal flood advisory in 2012
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.