Alert archive / Nebraska / Flash Flood Watches in 2015
Flash Flood Watch 3, NWS Hastings, NE
NWS Hastings, NE issued this flash flood watch at Aug 7, 2015, 3:45 AM CDT for 15 counties in Nebraska. It took effect at Aug 7, 2015, 10:00 PM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Aug 7, 2015, 3:45 AM CDT (08:45 UTC)
- In effect from
- Aug 7, 2015, 10:00 PM CDT
- Expired
- Aug 8, 2015, 4:35 AM CDT
- In force
- 7 hr
- Issued by
- NWS Hastings, NE
- Flood severity
- None
Counties Adams County, NE, Buffalo County, NE, Dawson County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Phelps County, NE, Sherman County, NE, Valley County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 69 km from the middle of the area, began a volume at 08:51 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
Dodge City, (KDDC), launched 00:00Z, 8.8 hours before the alert went out and 337 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
- 3106 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1785 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 12.3
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 Hastings, NE wrote its last area forecast discussion before this flash flood watch went out at Aug 7, 12:59 AM CDT, 2 hours 46 minutes earlier.
Area forecast discussion, Aug 7, 12:59 AM CDT, 2 hours 46 minutes before
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</html>Hazardous weather outlook, Aug 7, 12:39 AM CDT, 3 hours 6 minutes before
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</html>Nearby
Flash Flood Watches in Nebraska, 2015Every flash flood watch in 2015
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.