Alert archive / Nebraska / Flash Flood Watches in 2020
Flash Flood Watch 2, NWS Hastings, NE
NWS Hastings, NE issued this flash flood watch at Jun 8, 2020, 2:36 PM CDT for 6 counties in Nebraska. It took effect at Jun 9, 2020, 4:00 PM CDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Jun 8, 2020, 2:36 PM CDT (19:36 UTC)
- In effect from
- Jun 9, 2020, 4:00 PM CDT
- Expired
- Jun 10, 2020, 2:58 AM CDT
- In force
- 11 hr
- Issued by
- NWS Hastings, NE
- Flood severity
- None
Counties Clay County, NE, Fillmore County, NE, Hamilton County, NE, Nuckolls County, NE, Thayer County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 57 km from the middle of the area, began a volume at 19:40 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
Omaha, NE (KOAX), launched 12:00Z, 7.6 hours before the alert went out and 150 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
- 202 J/kg
- Mixed-layer CIN
- -451 J/kg
- Mixed-layer LCL
- 1393 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 177 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 Jun 8, 12:14 PM CDT, 2 hours 22 minutes earlier.
Area forecast discussion, Jun 8, 12:14 PM CDT, 2 hours 22 minutes before
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</html>Hazardous weather outlook, Jun 8, 3:40 AM CDT, 10 hours 56 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 |
|---|---|---|---|---|
| Jun 8, 2:40 PM CDT | High Wind Watch | GID | Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more | 13 hr |
Nearby
Flash Flood Watches in Nebraska, 2020Every flash flood watch in 2020
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.