Alert archive / Nebraska / Flash Flood Warnings in 2011
Flash Flood Warning 5, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jun 16, 2011, 6:09 PM MDT for Cherry County, Nebraska. It was in force for 5 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
- Jun 16, 2011, 6:09 PM MDT (00:09 UTC)
- Expired
- Jun 16, 2011, 11:26 PM MDT
- In force
- 5 hr
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Flood severity
- None
County Cherry County, NE
The radar
The North Platte radar (KLNX), 129 km from the middle of the area, began a volume at 00:08 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
Rapid City, SD (KUNR), launched 00:00Z, 0.2 hours before the alert went out and 172 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
- 505 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
368 WGUS53 KLBF 170009 FFWLBF NEC031-170600- /O.NEW.KLBF.FF.W.0005.110617T0009Z-110617T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 609 PM MDT THU JUN 16 2011 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTH CENTRAL CHERRY COUNTY IN NORTH CENTRAL NEBRASKA... * UNTIL MIDNIGHT MDT * AT 607 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR BASED RAINFALL ESTIMATES EXCEEDING 3 INCHES HAS BEEN INDICATED. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ELI...HIGHWAY 61 CROSSING THE NIOBRARA RIVER AND MERRIMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS EXCEEDING TWO INCHES ARE POSSIBLE IN THE WARNED AREA. && LAT...LON 4300 10126 4274 10138 4276 10176 4300 10179 $$ SPRINGER
3 follow-up statements
658 WGUS73 KLBF 170144 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 744 PM MDT THU JUN 16 2011 NEC031-170600- /O.CON.KLBF.FF.W.0005.000000T0000Z-110617T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CHERRY NE- 744 PM MDT THU JUN 16 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL CHERRY COUNTY UNTIL MIDNIGHT MDT... AT 739 PM MDT...THE STRONG THUNDERSTORMS HAD MOVED EAST OF THE AREA. GROUND REPORTS OF RAINFALL INDICATE THAT AT LEAST TWO AND A HALF INCHES HAD OCCURRED 9 MILES SOUTHEAST OF MERRIMAN WHICH IS NEAR THE AXIS OF MAXIMUM RAINFALL INDICATED BY RADAR. RUNOFF FROM THE RAINFALL THAT HAS OCCURRED WILL CONTINUE FOR AT LEAST A COUPLE OF HOURS AND WASHOUTS ON UNPAVED RURAL ROADS AND LOW WATER CROSSINGS ARE STILL POSSIBLE. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...ELI... HIGHWAY 61 CROSSING THE NIOBRARA RIVER AND MERRIMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. && LAT...LON 4300 10126 4274 10138 4276 10176 4300 10179 $$ SPRINGER
447 WGUS73 KLBF 170313 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 913 PM MDT THU JUN 16 2011 NEC031-170600- /O.CON.KLBF.FF.W.0005.000000T0000Z-110617T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CHERRY NE- 913 PM MDT THU JUN 16 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL CHERRY COUNTY UNTIL MIDNIGHT MDT... AT 912 PM MDT...THUNDERSTORMS HAD ENDED OVER THE AREA. SOME ADDITIONAL LIGHT RAIN IS LIKELY. RUNOFF FROM THE PREVIOUS RAINFALL COULD CONTINUE FOR AT LEAST TWO HOURS. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...ELI... HIGHWAY 61 CROSSING THE NIOBRARA RIVER AND MERRIMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. && LAT...LON 4300 10126 4274 10138 4276 10176 4300 10179 $$ SPRINGER
668 WGUS73 KLBF 170526 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1126 PM MDT THU JUN 16 2011 NEC031-170541- /O.CAN.KLBF.FF.W.0005.000000T0000Z-110617T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CHERRY NE- 1126 PM MDT THU JUN 16 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTH CENTRAL CHERRY COUNTY IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 4300 10126 4274 10138 4276 10176 4300 10179 $$ ROBERG
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:08 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant | 52 min |
| Jun 16, 6:15 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 45 min |
| Jun 16, 6:50 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 40 min |
| Jun 16, 6:55 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant, Hooker, McPherson | 50 min |
| Jun 16, 7:03 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Garden | 42 min |
| Jun 16, 7:30 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Hooker, Thomas | 60 min |
| Jun 16, 7:42 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Garden, Keith, Perkins | 48 min |
| Jun 16, 7:54 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Cherry, Keya Paha, Thomas | 51 min |
| Jun 16, 8:26 PM MDT | Severe Thunderstorm Warning | LBF | Keith, Lincoln, Perkins | 64 min |
| Jun 16, 8:26 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Cherry, Keya Paha, Loup, Rock and 1 more | 66 min |
| Jun 16, 8:47 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 43 min |
| Jun 16, 9:07 PM MDT | Areal Flood Advisory | LBF | Custer, Keith, Lincoln, Logan, McPherson, Perkins | 4 hr |
| Jun 16, 9:10 PM MDT | Severe Thunderstorm Warning | LBF | Frontier, Hayes, Lincoln | 65 min |
| Jun 16, 9:44 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 46 min |
Nearby
Flash Flood Warnings in Nebraska, 2011Every flash flood warning in 2011
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.