Alert archive / Nebraska / Flash Flood Warnings in 2007
Flash Flood Warning 49, NWS North Platte, NE
NWS North Platte, NE issued this flash flood warning at Aug 7, 2007, 12:42 AM CDT for Frontier County, Nebraska. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 7, 2007, 12:42 AM CDT (05:42 UTC)
- Expired
- Aug 7, 2007, 6:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Frontier County, NE
The radar
The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 05:44 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 |
|---|---|---|---|
| Aug 7, 1:55 AM CDT | HEAVY RAIN 3.03 | Curtis, NE | 3.03 INCHES IS A TWO HOUR TOTAL...HOWEVER 2.93 INCHES FELL IN ONE HOUR. |
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, 5.7 hours before the alert went out and 69 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
- 1512 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1688 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLBF 070546
FFWLBF
NEC063-071145-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1242 AM CDT TUE AUG 7 2007
THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
FRONTIER COUNTY IN SOUTHWEST NEBRASKA...
THIS INCLUDES THE CITY OF CURTIS...
* UNTIL 645 AM CDT
* AT 1240 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED
AREA. RADAR RAINFALL ESTIMATES AS HIGH AS 3 INCHES OVER
PORTIONS OF THE COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
STOCKVILLE...MOOREFIELD...MAYWOOD AND EUSTIS
ADDITIONAL RAINFALL AMOUNTS IN EXCESS OF 2 INCHES ARE POSSIBLE
THROUGH
4 AM IN THE WARNED AREA.
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 FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 4034 10009 4034 10077 4069 10077 4069 9998
4044 9999 4044 10008
$$
MASEK2 follow-up statements
000
WGUS73 KLBF 070834
FFSLBF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
331 AM CDT TUE AUG 7 2007
NEC063-071145-
FRONTIER NE-
331 AM CDT TUE AUG 7 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
FRONTIER COUNTY...
AT 327 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO INDICATE THUNDERSTORM ACROSS THE AREA PRODUCING PERIODS OF
HEAVY RAINFALL. RADAR RAINFALL ESTIMATES FROM 3 TO 5 INCHES HAVE
FALLEN OVER THE PAST SEVERAL HOURS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STOCKVILLE...
MOOREFIELD...MAYWOOD...EUSTIS AND CURTIS
ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH ARE POSSIBLE IN
THE WARNED AREA.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 4034 10009 4034 10077 4069 10077 4069 9998
4044 9999 4044 10008
$$
MASEK000
WGUS73 KLBF 071157
FFSLBF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
655 AM CDT TUE AUG 7 2007
NEC063-071205-
FRONTIER NE-
655 AM CDT TUE AUG 7 2007
...THE FLASH FLOOD WARNING HAS EXPIRED FOR FRONTIER COUNTY...
LIGHT RAINFALL IS STILL POSSIBLE THIS MORNING...HOWEVER ADDITIONAL
HEAVY RAINFALL IS NOT EXPECTED AT THIS TIME. SOME AREAS MAY STILL
SEE SOME LOCAL AREAS OF STANDING WATER...HOWEVER WIDESPREAD FLASH
FLOODING IS NOT EXPECTED.
LAT...LON 4034 10009 4034 10077 4069 10077 4069 9998
4044 9999 4044 10008
$$
MASEKThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 12:21 AM CDT | Severe Thunderstorm Warning | LBF | Frontier | 39 min |
| Aug 7, 3:05 PM CDT | Flash Flood Watch | LBF | Chase, Frontier, Hayes, Lincoln, Perkins | 15 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.