Alert archive / Nebraska / Flash Flood Warnings in 2017
Flash Flood Warning 10, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Aug 15, 2017, 5:55 PM CDT for Custer County, Garfield County, Loup County, Nebraska. It was in force for 6 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 15, 2017, 5:55 PM CDT (22:55 UTC)
- Expired
- Aug 16, 2017, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Flood severity
- None
Counties Custer County, NE, Garfield County, NE, Loup County, NE
The radar
The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 22:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 15, 8:15 PM CDT | FLASH FLOOD | 7 Nw Merna, NE | NEB. HWY 2 CLOSED DUE TO WATER RUNNING ACROSS THE ROAD |
| Aug 15, 10:00 PM CDT | FLASH FLOOD | Anselmo, NE | STREETS FLOODED IN TOWN, DITCHES ALONG HWY 2 COMPLETELY FULL |
| Aug 15, 10:00 PM CDT | FLASH FLOOD | Sargent, NE | STREETS FLOODED IN TOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.9 hours before the alert went out and 129 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
- 418 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 763 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
589
WGUS53 KLBF 152255
FFWLBF
NEC041-071-115-160500-
/O.NEW.KLBF.FF.W.0010.170815T2255Z-170816T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service North Platte NE
555 PM CDT TUE AUG 15 2017
The National Weather Service in North Platte has issued a
* Flash Flood Warning for...
Southeastern Loup County in north central Nebraska...
Garfield County in north central Nebraska...
Northern Custer County in central Nebraska...
* Until midnight CDT Wednesday
* At 554 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Burwell, Taylor, Arnold, Sargent, Merna, Anselmo, Comstock,
Victoria Springs State Recreation Area, Calamus Reservoir State
Recreation Area, Weissert, Lillian, Walworth, Virginia Smith Dam,
Kent Diversion Dam State Wildlife Management Area, Homestead Knolls
Campground, Nunda Shoal Campground, Gables, Round Valley, Hannamon
Bayou Campground and Arcadia Diversion Dam State Wildlife
Management Area.
Additional rainfall amounts of 2 to 4 inches are possible in the
warned area.
This includes the following highways...
Highway 183 between mile markers 103 and 131.
Highway 2 between mile markers 254 and 271.
Highway 92 between mile markers 252 and 273.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4176 9878 4174 9882 4174 9921 4147 9922
4143 10024 4163 10022 4171 9957 4203 9921
4202 9876
$$
CDC1 follow-up statement
068
WGUS73 KLBF 160132
FFSLBF
Flash Flood Statement
National Weather Service North Platte NE
832 PM CDT TUE AUG 15 2017
NEC041-071-115-160500-
/O.CON.KLBF.FF.W.0010.000000T0000Z-170816T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Loup NE-Garfield NE-Custer NE-
832 PM CDT TUE AUG 15 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHEASTERN LOUP...GARFIELD AND NORTHERN CUSTER COUNTIES...
At 810 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to three inches of rain have already
fallen. Flooding is already occuring in places.
Some locations that will experience flooding include...
Burwell, Taylor, Arnold, Sargent, Merna, Anselmo, Comstock, Victoria
Springs State Recreation Area, Calamus Reservoir State Recreation
Area, Weissert, Lillian, Walworth, Virginia Smith Dam, Kent Diversion
Dam State Wildlife Management Area, Homestead Knolls Campground,
Nunda Shoal Campground, Gables, Round Valley, Hannamon Bayou
Campground and Arcadia Diversion Dam State Wildlife Management Area.
Additional rainfall amounts of one to three inches are possible in
the warned area.
This includes the following highways...
Highway 183 between mile markers 103 and 131.
Highway 2 between mile markers 254 and 271.
Highway 92 between mile markers 252 and 273.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4176 9878 4174 9882 4174 9921 4147 9922
4143 10024 4163 10022 4171 9957 4203 9921
4202 9876
$$
TaylorThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 9:17 PM CDT | Special Weather Statement | LBF | Sheridan | 28 min |
| Aug 14, 9:26 PM CDT | Special Weather Statement | LBF | Sheridan | 49 min |
| Aug 14, 9:31 PM CDT | Severe Thunderstorm Warning | LBF | Cherry, Sheridan | 44 min |
| Aug 14, 10:09 PM CDT | Special Weather Statement | LBF | Grant | 66 min |
| Aug 14, 10:37 PM CDT | Special Weather Statement | LBF | Cherry, Grant | 38 min |
| Aug 14, 11:12 PM CDT | Special Weather Statement | LBF | Cherry, Hooker | 48 min |
| Aug 14, 11:58 PM CDT | Special Weather Statement | LBF | Cherry, Hooker | 47 min |
| Aug 15, 12:27 AM CDT | Special Weather Statement | LBF | Sheridan | 48 min |
| Aug 15, 3:53 AM CDT | Areal Flood Advisory | LBF | Holt | 3 hr |
| Aug 15, 8:30 AM CDT | Special Weather Statement | LBF | Garfield, Wheeler | 60 min |
| Aug 15, 11:12 AM CDT | Special Weather Statement | LBF | Garfield | 63 min |
| Aug 15, 11:49 AM CDT | Severe Thunderstorm Warning | LBF | Garfield, Holt | 41 min |
| Aug 15, 11:57 AM CDT | Special Weather Statement | LBF | Custer | 48 min |
| Aug 15, 11:59 AM CDT | Special Weather Statement | LBF | Lincoln | 46 min |
| Aug 15, 12:06 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 39 min |
| Aug 15, 12:28 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Loup | 47 min |
| Aug 15, 12:30 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 45 min |
| Aug 15, 12:36 PM CDT | Flash Flood Warning | LBF | Custer | 6 hr |
| Aug 15, 12:39 PM CDT | Flash Flood Warning | LBF | Garfield, Holt | 6 hr |
| Aug 15, 12:49 PM CDT | Special Weather Statement | LBF | Logan | 41 min |
| Aug 15, 12:58 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Logan | 30 min |
| Aug 15, 2:08 PM CDT | Special Weather Statement | LBF | Garfield | 52 min |
| Aug 15, 3:40 PM CDT | Special Weather Statement | LBF | Sherman | 50 min |
| Aug 15, 4:15 PM CDT | Special Weather Statement | LBF | Loup, Rock | 60 min |
| Aug 15, 5:08 PM CDT | Special Weather Statement | LBF | Garfield, Holt | 97 min |
| Aug 15, 5:31 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Garfield, Loup | 44 min |
| Aug 15, 5:43 PM CDT | Special Weather Statement | LBF | Custer | 47 min |
| Aug 15, 6:13 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 47 min |
| Aug 15, 6:17 PM CDT | Special Weather Statement | LBF | Holt | 43 min |
| Aug 15, 6:32 PM CDT | Flash Flood Warning | LBF | Logan | 3 hr |
| Aug 15, 6:45 PM CDT | Special Weather Statement | LBF | Logan | 45 min |
| Aug 15, 6:47 PM CDT | Special Weather Statement | LBF | Wheeler | 58 min |
| Aug 15, 6:51 PM CDT | Special Weather Statement | LBF | Arthur, Keith | 54 min |
Nearby
Flash Flood Warnings in Nebraska, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.