Alert archive / Kansas / Flash Flood Watches in 2020
Flash Flood Watch 3, NWS Hastings, NE
NWS Hastings, NE issued this flash flood watch at Jul 25, 2020, 3:34 PM CDT for 5 counties in Nebraska; 6 counties in Kansas. It took effect at Jul 26, 2020, 4:00 PM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 25, 2020, 3:34 PM CDT (20:34 UTC)
- In effect from
- Jul 26, 2020, 4:00 PM CDT
- Expired
- Jul 27, 2020, 4:12 AM CDT
- In force
- 12 hr
- Issued by
- NWS Hastings, NE
- Flood severity
- None
Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Clay County, NE, Fillmore County, NE, Nuckolls County, NE, Thayer County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 46 km from the middle of the area, began a volume at 20:36 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.6 hours before the alert went out and 230 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
- 845 J/kg
- Mixed-layer CIN
- -272 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Jul 25, 12:50 PM CDT, 2 hours 44 minutes earlier.
Area forecast discussion, Jul 25, 12:50 PM CDT, 2 hours 44 minutes before
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</html>Hazardous weather outlook, Jul 25, 5:40 AM CDT, 9 hours 54 minutes before
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</html>Nearby
Flash Flood Watches in Kansas, 2020Flash 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.