Alert archive / Nebraska / Flash Flood Warnings in 2019
Flash Flood Warning 13, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jul 8, 2019, 4:57 PM CDT for Custer 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 outline as issued.
The facts
- Issued
- Jul 8, 2019, 4:57 PM CDT (21:57 UTC)
- Expired
- Jul 8, 2019, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Flood severity
- None
County Custer County, NE
The radar
The North Platte radar (KLNX), 115 km from the middle of the area, began a volume at 21:56 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, 10.0 hours before the alert went out and 115 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
- 96 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
771 WGUS53 KLBF 082157 FFWLBF NEC041-090400- /O.NEW.KLBF.FF.W.0013.190708T2157Z-190709T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service North Platte NE 457 PM CDT Mon Jul 8 2019 The National Weather Service in North Platte has issued a * Flash Flood Warning for... Eastern Custer County in central Nebraska... * Until 1100 PM CDT Monday. * At 455 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is expected to begin shortly. Radar estimates 2 to 3 inches of rain has fallen across far eastern Custer county and additional rainfall is likely. * Some locations that will experience flooding include... Sargent, Ansley, Mason City, Comstock, Weissert, Westerville, Big Oak Canyon, Arcadia Diversion Dam State Wildlife Management Area, Gavin Siding, Divide Hill and Wescott. This includes the following highways... Highway 183 between mile markers 82 and 121. Highway 2 between mile markers 289 and 307. Highway 92 between mile markers 300 and 308. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4173 9922 4118 9921 4118 9948 4174 9949 $$ Buttler
2 follow-up statements
032 WGUS73 KLBF 090046 FFSLBF Flash Flood Statement National Weather Service North Platte NE 746 PM CDT Mon Jul 8 2019 NEC041-090400- /O.CON.KLBF.FF.W.0013.000000T0000Z-190709T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Custer NE- 746 PM CDT Mon Jul 8 2019 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR EASTERN CUSTER COUNTY... At 744 PM CDT radar has estimated 2 to 3 inches of rain has fallen across far eastern Custer county. Up to an additional inch of rainfall is possible through the late evening hours. The threat for flash flooding will continue through the late evneing hours. Some locations that will experience flooding include... Sargent, Ansley, Mason City, Comstock, Weissert, Westerville, Big Oak Canyon, Arcadia Diversion Dam State Wildlife Management Area, Gavin Siding, Divide Hill and Wescott. This includes the following highways... Highway 183 between mile markers 82 and 121. Highway 2 between mile markers 289 and 307. Highway 92 between mile markers 300 and 308. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4173 9922 4118 9921 4118 9948 4174 9949 $$ Buttler
261 WGUS73 KLBF 090351 FFSLBF Flash Flood Statement National Weather Service North Platte NE 1051 PM CDT Mon Jul 8 2019 NEC041-090401- /O.EXP.KLBF.FF.W.0013.000000T0000Z-190709T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Custer NE- 1051 PM CDT Mon Jul 8 2019 ...THE FLASH FLOOD WARNING FOR EASTERN CUSTER COUNTY WILL EXPIRE AT 1100 PM CDT... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 4173 9922 4118 9921 4118 9948 4174 9949 $$ Buttler
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:21 PM CDT | Areal Flood Advisory | LBF | Lincoln | 114 min |
| Jul 8, 4:12 PM CDT | Special Weather Statement | LBF | Sherman | 48 min |
| Jul 8, 5:05 PM CDT | Special Weather Statement | LBF | Gosper | 40 min |
| Jul 8, 5:12 PM CDT | Flash Flood Warning | LBF | Frontier | 6 hr |
| Jul 8, 6:29 PM CDT | Special Weather Statement | LBF | Frontier | 46 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.