Alert archive / Nebraska / Flash Flood Warnings in 2010
Flash Flood Warning 13, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jun 21, 2010, 2:36 AM CDT for Frontier County, Lincoln County, Nebraska. It was in force for 4 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 21, 2010, 2:36 AM CDT (07:36 UTC)
- Expired
- Jun 21, 2010, 6:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Flood severity
- None
Counties Frontier County, NE, Lincoln County, NE
The radar
The North Platte radar (KLNX), 156 km from the middle of the area, began a volume at 07:38 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 00:00Z, 7.6 hours before the alert went out and 64 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
- 2252 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 11.0
The text
As transmitted, in the capitals the NWS used until 2016.
781
WGUS53 KLBF 210736
FFWLBF
NEC063-111-211130-
/O.NEW.KLBF.FF.W.0013.100621T0736Z-100621T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
236 AM CDT MON JUN 21 2010
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FRONTIER COUNTY IN SOUTHWEST NEBRASKA...
SOUTHERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...
* UNTIL 630 AM CDT
* AT 235 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR DERIVED RAINFALL ESTIMATES OF TWO INCHES OR
MORE HAVE OCCURRED.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CURTIS...DICKENS...EUSTIS...HANSEN MEMORIAL RESERVE STATE WILDLIFE
MANAGEMENT AREA...MAYWOOD...MEDICINE CREEK RESERVOIR STATE
RECREATION AREA...MOOREFIELD...RED WILLOW RESERVOIR STATE
RECREATION AREA...STOCKVILLE...WALLACE AND WELLFLEET.
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 4034 10077 4070 10077 4070 10124 4084 10124
4084 10022 4070 10020 4070 9998 4044 9997
4043 10007 4034 10009 4033 10075
$$
SPRINGER2 follow-up statements
201
WGUS73 KLBF 210932
FFSLBF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
432 AM CDT MON JUN 21 2010
NEC063-111-211130-
/O.CON.KLBF.FF.W.0013.000000T0000Z-100621T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NE-FRONTIER NE-
432 AM CDT MON JUN 21 2010
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR FRONTIER AND SOUTHERN
LINCOLN COUNTIES UNTIL 630 AM CDT...
AT 430 AM CDT...RAINFALL RATES HAD BECOME LIGHT. HOWEVER...RUNOFF IS
LIKELY TO CONTINUE THROUGH EARLY THIS MORNING AND FLOODING IS STILL
A THREAT.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CURTIS...
DICKENS...EUSTIS...HANSEN MEMORIAL RESERVE STATE WILDLIFE MANAGEMENT
AREA...MAYWOOD...MEDICINE CREEK RESERVOIR STATE RECREATION AREA...
MOOREFIELD...RED WILLOW RESERVOIR STATE RECREATION AREA...
STOCKVILLE...WALLACE AND WELLFLEET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.
&&
LAT...LON 4034 10077 4070 10077 4070 10124 4084 10124
4084 10022 4070 10020 4070 9998 4044 9997
4043 10007 4034 10009 4033 10075
$$
SPRINGER876
WGUS73 KLBF 211129
FFSLBF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
629 AM CDT MON JUN 21 2010
NEC063-111-211142-
/O.EXP.KLBF.FF.W.0013.000000T0000Z-100621T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NE-FRONTIER NE-
629 AM CDT MON JUN 21 2010
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR FRONTIER AND
SOUTHERN LINCOLN COUNTIES WILL BE ALLOWED TO EXPIRE AT 630 AM CDT...
RAIN HAD ENDED OVER THE AREA AND THE THREAT OF SUDDEN FLOODING HAS
DIMINISHED. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR
LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4034 10077 4070 10077 4070 10124 4084 10124
4084 10022 4070 10020 4070 9998 4044 9997
4043 10007 4034 10009 4033 10075
$$
SPRINGERThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:07 PM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 24 min |
| Jun 20, 11:09 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 21 min |
| Jun 20, 11:47 PM CDT | Severe Thunderstorm Warning | LBF | Frontier, Lincoln | 43 min |
| Jun 21, 12:14 AM CDT | Severe Thunderstorm Warning | LBF | Chase | 46 min |
| Jun 21, 12:28 AM CDT | Severe Thunderstorm Warning | LBF | Hayes | 47 min |
| Jun 21, 12:53 AM CDT | Flash Flood Warning | LBF | Chase | 3 hr |
| Jun 21, 12:56 AM CDT | Flash Flood Warning | LBF | Hayes | 3 hr |
| Jun 21, 12:58 AM CDT | Severe Thunderstorm Warning | LBF | Chase | 47 min |
| Jun 21, 1:09 AM CDT | Severe Thunderstorm Warning | LBF | Custer | 51 min |
| Jun 21, 1:12 AM CDT | Severe Thunderstorm Warning | LBF | Hayes | 48 min |
| Jun 21, 1:43 AM CDT | Severe Thunderstorm Warning | LBF | Frontier, Hayes, Lincoln | 47 min |
| Jun 21, 3:38 AM CDT | Flash Flood Warning | LBF | Custer | 4 hr |
| Jun 21, 3:52 AM CDT | Flash Flood Warning | LBF | Chase, Hayes, Lincoln | 4 hr |
| Jun 21, 8:14 AM CDT | Areal Flood Warning | LBF | Chase, Hayes | 18 hr |
| Jun 21, 8:55 AM CDT | River Flood Warning | LBF | Lincoln | 5 days |
Nearby
Flash Flood Warnings in Nebraska, 2010Every flash flood warning in 2010
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.