Alert archive / Iowa / Fire Weather Watches in 2012
Fire Weather Watch 2, NWS Des Moines, IA
NWS Des Moines, IA issued this fire weather watch at Aug 28, 2012, 3:47 PM CDT for 7 counties in Iowa. It took effect at Aug 30, 2012, 12:00 PM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Aug 28, 2012, 3:47 PM CDT (20:47 UTC)
- In effect from
- Aug 30, 2012, 12:00 PM CDT
- Expired
- Aug 29, 2012, 3:54 PM CDT
- In force
- Issued by
- NWS Des Moines, IA
Counties Cerro Gordo County, IA, Emmet County, IA, Hancock County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA
The radar
The Des Moines radar (KDMX), 167 km from the middle of the area, began a volume at 20:46 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
Minneapolis, MN (KMPX), launched 12:00Z, 8.8 hours before the alert went out and 183 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
- 1654 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
Nearby
Fire Weather Watches in Iowa, 2012Every fire weather watch 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.