Alert archive / Nebraska / Flash Flood Warnings in 2019
Flash Flood Warning 31, NWS Hastings, NE
NWS Hastings, NE issued this flash flood warning at Aug 2, 2019, 11:28 AM CDT for Valley County, Nebraska. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2019, 11:28 AM CDT (16:28 UTC)
- Expired
- Aug 2, 2019, 5:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Hastings, NE
- Area
- Storm-based polygon
- Flood severity
- None
County Valley County, NE
The radar
The North Platte radar (KLNX), 139 km from the middle of the area, began a volume at 16:31 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, 4.5 hours before the alert went out and 144 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
- 733 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 568 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
What forecasters said that day
The local office's own words before this flash flood warning 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 warning went out at Aug 2, 8:41 AM CDT, 2 hours 47 minutes earlier.
Area forecast discussion, Aug 2, 8:41 AM CDT, 2 hours 47 minutes before
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</html>Hazardous weather outlook, Aug 2, 8:48 AM CDT, 2 hours 40 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Hastings NE 848 AM CDT Fri Aug 2 2019 KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087- 031400- Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance- Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York- Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin- Webster-Nuckolls-Thayer- 848 AM CDT Fri Aug 2 2019 This Hazardous Weather Outlook is for south central Nebraska and portions of north central Kansas. .DAY ONE...Today and Tonight. Scattered showers will continue to produce heavy downpours until sunset. An isolated thunderstorm or two could develop mainly this afternoon and evening. The main threat will be locally heavy rainfall...but small hail and gusty winds cannot be completely ruled out with any thunderstorms that might develop. A Flash Flood Watch remains in effect for portions of the outlook area through noon. Flood warnings are also in effect for parts of the area. Please refer the latest watch and warning statements for detailed information. After midnight...there will be the potential for the development of fog across the outlook area. Visibility may be reduced to one half mile or less at times. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday morning, there will be the potential for the development of fog across the outlook area. Visibility may be reduced to one half mile or less at times. Thunderstorm chances remain in the forecast across the outlook area into Saturday morning, then return on a periodic basis Monday night through Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected through tonight, but please relay any reports of flooding and rain gauge measurements of 3 inches or more via our website or social media. && More information may be obtained at the following web page: https://www.weather.gov/hastings ADP/Kelley
In the hours before
Local storm report, Aug 2, 7:45 AM CDT, 3 hours 43 minutes before
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</html>Local storm report, Aug 2, 8:22 AM CDT, 3 hours 6 minutes before
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</html>Local storm report, Aug 2, 9:16 AM CDT, 2 hours 12 minutes before
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</html>Local storm report, Aug 2, 9:24 AM CDT, 2 hours 4 minutes before
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</html>Local storm report, Aug 2, 10:18 AM CDT, 1 hour 10 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 2, 6:34 AM CDT | Areal Flood Warning | GID | Franklin, Webster | 11 hr |
| Aug 2, 8:28 AM CDT | River Flood Warning | GID | Nuckolls, Webster | 13 hr |
| Aug 2, 2:10 PM CDT | Flash Flood Warning | GID | Valley | 4 hr |
| Aug 2, 5:34 PM CDT | Areal Flood Warning | GID | Greeley, Valley | 22 hr |
| Aug 2, 2:28 AM CDT | Areal Flood Advisory | GID | Jewell, Mitchell | 6 hr |
| Aug 2, 6:45 AM CDT | Areal Flood Warning | GID | Jewell, Mitchell | 35 hr |
| Aug 2, 8:23 AM CDT | River Flood Warning | GID | Mitchell | 105 min |
Nearby
Flash Flood Warnings in Nebraska, 2019Every flash flood warning in 2019
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.