Alert archive / Nebraska / Flash Flood Warnings in 2007
Flash Flood Warning 37, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Jun 13, 2007, 12:16 AM MDT for Perkins County, Nebraska. It took effect at Jun 13, 2007, 12:21 AM MDT. It was in force for 84 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 13, 2007, 12:16 AM MDT (06:16 UTC)
- In effect from
- Jun 13, 2007, 12:21 AM MDT
- Expired
- Jun 13, 2007, 1:45 AM MDT
- In force
- 84 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Perkins County, NE
The radar
The North Platte radar (KLNX), 152 km from the middle of the area, began a volume at 06:15 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, 6.3 hours before the alert went out and 93 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
- 51 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLBF 130621 FFWLBF NEC135-130745- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1216 AM MDT WED JUN 13 2007 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN PERKINS COUNTY IN SOUTHWEST NEBRASKA... THIS INCLUDES THE CITY OF GRANT... * UNTIL 145 AM MDT * AT 1211 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING WILL LIKELY DEVELOP FROM A CLUSTER OF SCATTERED THUNDERSTORMS WHICH WILL TRACK NORTH AT 20 MPH ACROSS AREAS ALREADY WET OR FLOODED FROM EARLIER HEAVY RAINFALL. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILD HORSE SPRING...BRANDON...VENANGO AND GRANT. THIS INCLUDES HIGHWAY 23 WEST OF GRANT. ADDITIONAL RAINFALL OF 1/2 TO 1 INCH IS LIKELY IN THE WARNED AREA. 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. FLOOD WATERS ARE MOVING DOWN SPRING CREEK AND SAND CREEK FROM BRANDON AND VENANGO SOUTH TO THE CHASE COUNTY LINE. FLOODING WILL ALSO LIKELY DEVELOP NORTH OF HIGHWAY 23 TO THE KEITH COUNTY LINE. HIGHWAY 23 MAY BECOME FLOODED FOR A TIME AS THE HEAVY SHOWERS AND THUNDERSTORMS MOVE THROUGH. 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 4070 10204 4071 10166 4099 10167 4099 10204 $$ CDC
2 follow-up statements
000 WGUS73 KLBF 130706 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 201 AM CDT WED JUN 13 2007 NEC135-130745- PERKINS NE- 101 AM MDT WED JUN 13 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM MDT FOR WESTERN PERKINS COUNTY... AT 1254 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR THE CLUSTER OF THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EXITED WESTERN PERKINS COUNTY. THE THREAT OF ADDITIONAL FLOODING WILL DECREASE THROUGH 145 AM MDT. THE FLASH FLOOD WARNING CONTINUES IN EFFECT UNTIL 145 AM MDT FOR WESTERN PERKINS COUNTY TO ALLOW ANY FLOODING WHICH DEVELOPED TO SUBSIDE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILD HORSE SPRING...BRANDON...VENANGO AND GRANT. THIS INCLUDES HIGHWAY 23 WEST OF GRANT. THROUGH 145 AM MDT...ADDITIONAL RAINFALL OF 1/4 INCH IS LIKELY IN THE WARNED AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. FLOOD WATERS ARE LIKELY MOVING DOWN SPRING CREEK AND SAND CREEK FROM BRANDON AND VENANGO SOUTH TO THE CHASE COUNTY LINE. FLOODING SHOULD SUBSIDE NORTH OF HIGHWAY 23 TO THE KEITH COUNTY LINE. ANY FLOODING ON HIGHWAY 23 SHOULD SUBSIDE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4070 10204 4071 10166 4099 10167 4099 10204 $$ CDC
000 WGUS73 KLBF 130742 FFSLBF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 240 AM CDT WED JUN 13 2007 NEC135-130750- PERKINS NE- 140 AM MDT WED JUN 13 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 245 AM CDT(145 AM MDT) FOR WESTERN PERKINS COUNTY... THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EXITED PERKINS COUNTY. ADDITIONAL HEAVY RAIN AND FLOODING IS NOT EXPECTED THROUGH 4 AM MDT. CONDITIONS REMAIN FAVORABLE FOR HEAVY RAIN TO DEVELOP. A FLOOD WATCH CONTINUES IN EFFECT TODAY AND THIS EVENING. LAT...LON 4070 10204 4071 10166 4099 10167 4099 10204 $$ CDC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 12:37 AM MDT | Flash Flood Warning | LBF | Keith | 83 min |
| Jun 13, 2:00 AM MDT | Flash Flood Warning | LBF | Keith | 60 min |
| Jun 13, 2:56 AM MDT | Flash Flood Warning | LBF | Holt, Wheeler | 3 hr |
| Jun 13, 6:55 AM MDT | Flash Flood Warning | LBF | Chase, Keith, Perkins | 2 hr |
| Jun 13, 8:40 AM MDT | Flash Flood Warning | LBF | Chase, Keith, Lincoln, Perkins | 6 hr |
| Jun 13, 2:40 PM MDT | Flash Flood Warning | LBF | Chase | 6 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.