Alert archive / Nebraska / Flood Watches in 2019
Flood Watch 6, NWS North Platte, NE
NWS North Platte, NE issued this flood watch at Aug 23, 2019, 2:49 AM MDT for 14 counties in Nebraska. It took effect at Aug 23, 2019, 6:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Aug 23, 2019, 2:49 AM MDT (08:49 UTC)
- In effect from
- Aug 23, 2019, 6:00 PM MDT
- Expired
- Aug 23, 2019, 9:31 AM MDT
- In force
- Issued by
- NWS North Platte, NE
- Flood severity
- None
Counties Arthur County, NE, Blaine County, NE, Chase County, NE, Custer County, NE, Frontier County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Perkins County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 78 km from the middle of the area, began a volume at 08:47 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
Denver, CO (KDNR), launched 00:00Z, 8.8 hours before the alert went out and 250 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
- 19 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 3469 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS North Platte, NE wrote its last area forecast discussion before this flood watch went out at Aug 23, 2:48 AM MDT, 1 minute earlier.
Area forecast discussion, Aug 23, 2:48 AM MDT, 1 minute before
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</html>Hazardous weather outlook, Aug 23, 2:36 AM MDT, 13 minutes before
Hazardous Weather Outlook National Weather Service North Platte NE 336 AM CDT Fri Aug 23 2019 NEZ004>010-022>029-035>038-056>059-069>071-094-240845- Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden- Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson- Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier- Western Cherry- 336 AM CDT Fri Aug 23 2019 /236 AM MDT Fri Aug 23 2019/ This Hazardous Weather Outlook is for portions of western and north central Nebraska. .DAY ONE...TODAY AND TONIGHT. Patchy fog will be possible Friday morning with the greatest coverage expected across the Sandhills into central Nebraska. Visibility of one mile or less is possible before conditions improve by late morning. Scattered thunderstorms become possible beginning late this afternoon then become likely tonight. Some storms may be strong to severe with large hail and damaging winds are possible. The area of greatest concern will be west of an Ogallala to Palisade line. A Flood Watch has been issued for portions of the Sandhills into southwest Nebraska and is valid for tonight into early Saturday. For the latest details regarding this threat, check the latest flood product. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. Scattered thunderstorms are likely early Saturday morning across portions of the Sandhills into southwest Nebraska. Locally heavy rain is possible. Additional chances for thunderstorms exist Sunday through Wednesday. At this time the threat for severe weather is uncertain. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed Friday evening across portions of the eastern panhandle into far southwest Nebraska. && Get your weather, hydrological, and climate information at http://www.weather.gov/northplatte Jurgensen
In the hours before
Special weather statement, Aug 22, 8:52 PM MDT, 5 hours 57 minutes before
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</html>The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:52 PM MDT | Special Weather Statement | LBF | Keith | 38 min |
| Aug 22, 9:04 PM MDT | Special Weather Statement | LBF | Perkins | 41 min |
| Aug 23, 8:03 AM MDT | River Flood Warning | LBF | Garden, Keith | 25 hr |
| Aug 23, 9:31 AM MDT | Flash Flood Watch | LBF | Arthur, Blaine, Chase, Custer, Frontier, Grant and 8 more | 26 hr |
Nearby
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.