Alert archive / Nebraska / Flash Flood Watches in 2006
Flash Flood Watch 2, NWS Hastings, NE
NWS Hastings, NE issued this flash flood watch at Aug 18, 2006, 3:56 AM CDT for 6 counties in Nebraska; 5 counties in Kansas. It took effect at Aug 18, 2006, 7:00 AM CDT. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Aug 18, 2006, 3:56 AM CDT (08:56 UTC)
- In effect from
- Aug 18, 2006, 7:00 AM CDT
- Expired
- Aug 19, 2006, 5:53 AM CDT
- In force
- 23 hr
- Issued by
- NWS Hastings, NE
- Flood severity
- None
Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Rooks County, KS, Smith County, KS, Clay County, NE, Fillmore County, NE, Nuckolls County, NE, Thayer County, NE, Webster County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 38 km from the middle of the area, began a volume at 08:55 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
Omaha, NE (KOAX), launched 00:00Z, 8.9 hours before the alert went out and 215 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
- 2848 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 17, 9:52 PM CDT, 6 hours 4 minutes earlier.
Area forecast discussion, Aug 17, 9:52 PM CDT, 6 hours 4 minutes before
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</html>The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 6:34 PM CDT | Severe Thunderstorm Warning | GID | Furnas | 24 min |
Nearby
Flash Flood Watches in Nebraska, 2006Flash Flood Watches in Kansas, 2006Every flash flood watch in 2006
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.