Alert archive / Nebraska / Flash Flood Warnings in 2013
Flash Flood Warning 4, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at May 29, 2013, 7:23 PM CDT for Custer 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
- May 29, 2013, 7:23 PM CDT (00:23 UTC)
- Expired
- May 29, 2013, 10:30 PM CDT
- In force
- 3 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), 99 km from the middle of the area, began a volume at 00:24 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 |
|---|---|---|---|
| May 29, 10:05 PM CDT | FLASH FLOOD | Broken Bow, NE | FLOODING REPORTED ON SOME STREET IN BROKEN BOW AND SOME AREA ROADS WITH WATER STILL RISING. |
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, 0.4 hours before the alert went out and 82 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
- 89 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
163 WGUS53 KLBF 300023 FFWLBF NEC041-300330- /O.NEW.KLBF.FF.W.0004.130530T0023Z-130530T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 723 PM CDT WED MAY 29 2013 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CUSTER COUNTY IN CENTRAL NEBRASKA... * UNTIL 1030 PM CDT * AT 721 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A BRIDGE WASHED ON THE CALLAWAY ROAD 4 MILES WEST NORTHWEST OF BROKEN BOW. CREEKS IN THE BROKEN BOW AREA COULD RISE AND FLOOD. ADDITIONAL RAINFALL AMOUNTS UP TO A HALF INCH ARE POSSIBLE IN THE WARNED AREA THIS EVENING. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BROKEN BOW AND MERNA. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. && LAT...LON 4141 9954 4122 9965 4128 9989 4152 9976 $$ ROBERG
1 follow-up statement
231 WGUS73 KLBF 300241 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 941 PM CDT WED MAY 29 2013 NEC041-300330- /O.CON.KLBF.FF.W.0004.000000T0000Z-130530T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CUSTER NE- 941 PM CDT WED MAY 29 2013 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL CUSTER COUNTY UNTIL 1030 PM CDT... AT 937 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THREAT FOR HEAVY RAINFALL HAS DIMINISHED. RECENT HEAVY RAINFALL OF 2 TO 3 INCHES MAY CONTINUE THE THREAT FOR FLASH FLOODING IN LOW LYING AREAS...INCLUDING ROADS AND CREEKS. LOCAL LAW ENFORCEMENT OFFICIALS REPORTED EARLIER THIS EVENING A BRIDGE WASHED OUT ON THE CALLAWAY ROAD 4 MILES WEST NORTHWEST OF BROKEN BOW. CREEKS IN THE BROKEN BOW AREA MAY FLOOD. ADDITIONAL RAINFALL AMOUNTS UP TO A QUARTER INCH ARE POSSIBLE IN THE WARNED AREA THIS EVENING. SOME LOCATIONS THAT WILL MAY EXPERIENCE FLASH FLOODING INCLUDE...BROKEN BOW AND MERNA. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THIS STORM MAY CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. && LAT...LON 4141 9954 4122 9965 4128 9989 4152 9976 $$ ROBERG
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 10:12 PM CDT | Flash Flood Warning | LBF | Custer | 6 hr |
Nearby
Flash Flood Warnings in Nebraska, 2013Every flash flood warning in 2013
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.