Alert archive / Nebraska / Flash Flood Warnings in 2007
Flash Flood Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Apr 24, 2007, 12:37 PM CDT for Custer County, Nebraska. It took effect at Apr 24, 2007, 12:43 PM CDT. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 24, 2007, 12:37 PM CDT (17:37 UTC)
- In effect from
- Apr 24, 2007, 12:43 PM CDT
- Expired
- Apr 24, 2007, 3:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Custer County, NE
The radar
The North Platte radar (KLNX), 94 km from the middle of the area, began a volume at 17:37 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 12:00Z, 5.6 hours before the alert went out and 79 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- -130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLBF 241743 FFWLBF NEC041-242030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1237 PM CDT TUE APR 24 2007 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... CUSTER COUNTY IN CENTRAL NEBRASKA... THIS INCLUDES THE CITY OF BROKEN BOW... * UNTIL 330 PM CDT * AT 1231 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER THE WARNED AREA AS A CLUSTER OF SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH. THE HEAVY RAINFALL WILL INCREASE RUNOFF FOR A FLASH FLOOD POTENTIAL AS THE CLUSTER MOVES NORTHEAST THROUGH 2 PM CDT...PRODUCING AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VICTORIA SPRINGS STATE RECREATION AREA...WEISSERT...MERNA...GATES AND ANSELMO 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. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LAT...LON 4106 10018 4106 9940 4172 9940 4172 10023 $$ TLK
1 follow-up statement
000 WGUS73 KLBF 241909 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 203 PM CDT TUE APR 24 2007 NEC041-242030- CUSTER NE- 203 PM CDT TUE APR 24 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR CUSTER COUNTY... AT 201 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A CLUSTER OF SHOWERS AND THUNDERSTORM MOVING NORTHEAST THROUGH NORTHEAST CUSTER COUNTY PRODUCING MODERATE TO HEAVY RAIN OVER THE WARNED AREA. THE RAIN WILL DECREASE IN COVERAGE THROUGH 6 PM CDT THEN INCREASE INTO THE EVENING. RADAR ESTIMATES INDICATE UP TO 4 INCHES OF RAIN HAS FALLEN IN PARTS OF CUSTER COUNTY SINCE 11 AM CDT. THERE WILL CONTINUE TO BE A CHANCE FOR AN ADDITIONAL INCH OF RAINFALL BEFORE THE RAIN COMES TO AN END ON WEDNESDAY. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VICTORIA SPRINGS STATE RECREATION AREA...WEISSERT...MERNA...GATES...BROKEN BOW AND ANSELMO EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LAT...LON 4106 10018 4106 9940 4172 9940 4172 10023 $$ TLK
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 11:23 PM CDT | Flash Flood Watch | LBF | Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more | 26 hr |
| Apr 23, 11:58 PM CDT | Tornado Warning | LBF | Chase | 32 min |
| Apr 24, 12:28 AM CDT | Severe Thunderstorm Warning | LBF | Chase | 62 min |
| Apr 24, 2:01 AM CDT | Severe Thunderstorm Warning | LBF | Frontier | 33 min |
| Apr 24, 2:02 AM CDT | Severe Thunderstorm Warning | LBF | Hayes | 43 min |
| Apr 24, 3:40 AM CDT | Wind Advisory | LBF | Arthur, Chase, Custer, Deuel, Frontier, Garden and 6 more | 17 hr |
Nearby
Flash Flood Warnings in Nebraska, 2007Every flash flood warning in 2007
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.