Alert archive / Nebraska / Flash Flood Warnings in 2009
Flash Flood Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jun 23, 2009, 9:44 PM CDT for Custer County, Lincoln County, Logan County, Nebraska. It was in force for 3 hr. 1 report 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
- Jun 23, 2009, 9:44 PM CDT (02:44 UTC)
- Expired
- Jun 24, 2009, 12:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Flood severity
- None
Counties Custer County, NE, Lincoln County, NE, Logan County, NE
The radar
The North Platte radar (KLNX), 77 km from the middle of the area, began a volume at 02:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 12:24 AM CDT | HEAVY RAIN 2.4 | 8 W Callaway, NE |
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 00:00Z, 2.7 hours before the alert went out and 47 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
- 1357 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 2268 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLBF 240244 FFWLBF NEC041-111-113-240545- /O.NEW.KLBF.FF.W.0002.090624T0244Z-090624T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 944 PM CDT TUE JUN 23 2009 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN CUSTER COUNTY IN CENTRAL NEBRASKA... THIS INCLUDES THE CITY OF ARNOLD... NORTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA... SOUTHEASTERN LOGAN COUNTY IN WEST CENTRAL NEBRASKA... * UNTIL 1245 AM CDT * AT 939 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA. THIS LARGE AREA OF THNUDERSTORMS HAS PRODUCED 3 TO 4 INCHES OF RAINFALL IN THE LAST HOUR...AND MOVEMENT HAS SLOWED. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MERNA...CALLAWAY AND ARNOLD PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 4156 10035 4155 9976 4105 9977 4104 10035 $$ JWS
2 follow-up statements
000 WGUS73 KLBF 240403 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1103 PM CDT TUE JUN 23 2009 NEC041-111-113-240545- /O.CON.KLBF.FF.W.0002.000000T0000Z-090624T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LOGAN NE-CUSTER NE-LINCOLN NE- 1103 PM CDT TUE JUN 23 2009 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR NORTHEASTERN LINCOLN...SOUTHWESTERN CUSTER AND SOUTHEASTERN LOGAN COUNTIES... AT 1102 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES WEST OF CALLAWAY TO 8 MILES SOUTHEAST OF CALLAWAY...OR ALONG A LINE EXTENDING FROM 10 MILES SOUTHEAST OF ARNOLD TO 18 MILES SOUTHWEST OF BROKEN BOW...MOVING NORTHEAST AT 10 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HIGHWAY 92 MILE MARKER 260...AND THE TOWN OF CALLAWAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT WEDNESDAY MORNING FOR WESTERN NEBRASKA. && LAT...LON 4156 10035 4155 9976 4105 9977 4104 10035 $$ JWS
000 WGUS73 KLBF 240541 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 1241 AM CDT WED JUN 24 2009 NEC041-111-113-240549- /O.EXP.KLBF.FF.W.0002.000000T0000Z-090624T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LOGAN NE-CUSTER NE-LINCOLN NE- 1241 AM CDT WED JUN 24 2009 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM CDT FOR NORTHEASTERN LINCOLN...SOUTHWESTERN CUSTER AND SOUTHEASTERN LOGAN COUNTIES... THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. THE HEAVY RAINFALL WHICH PROMPTED THE WARNING HAD EXITED THE AREA. ADDITIONAL HEAVY RAINFALL IS NOT EXPECTED OVERNIGHT. LAT...LON 4156 10035 4155 9976 4105 9977 4104 10035 $$ KAR
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:05 PM CDT | Tornado Warning | LBF | Logan | 40 min |
| Jun 23, 7:43 PM CDT | Tornado Warning | LBF | Custer, Lincoln, Logan | 47 min |
| Jun 23, 8:25 PM CDT | Tornado Warning | LBF | Custer, Lincoln, Logan | 50 min |
| Jun 23, 9:14 PM CDT | Tornado Warning | LBF | Custer | 31 min |
| Jun 23, 9:38 PM CDT | Severe Thunderstorm Warning | LBF | Deuel | 37 min |
| Jun 23, 9:46 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 29 min |
| Jun 23, 9:58 PM CDT | Severe Thunderstorm Warning | LBF | Garden | 62 min |
| Jun 23, 10:16 PM CDT | Severe Thunderstorm Warning | LBF | Deuel | 29 min |
| Jun 23, 10:16 PM CDT | Severe Thunderstorm Warning | LBF | Grant | 28 min |
| Jun 23, 10:51 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Garden | 24 min |
| Jun 23, 10:59 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 46 min |
Nearby
Flash Flood Warnings in Nebraska, 2009Every flash flood warning in 2009
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.