Alert archive / Nebraska / Flash Flood Warnings in 2007

Flash Flood Warning 21, NWS Goodland, KS

May 29, 2007Red Willow County, Nebraska

NWS Goodland, KS issued this flash flood warning at May 29, 2007, 8:12 PM CDT for Red Willow County, Nebraska. It took effect at May 29, 2007, 8:18 PM CDT. It was in force for 6 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
May 29, 2007, 8:12 PM CDT (01:12 UTC)
In effect from
May 29, 2007, 8:18 PM CDT
Expired
May 30, 2007, 2:15 AM CDT
In force
6 hr
Issued by
NWS Goodland, KS
Area
Whole counties

County Red Willow County, NE

The radar

The Goodland radar (KGLD), 138 km from the middle of the area, began a volume at 01:15 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

Denver, CO (KDNR), launched 00:00Z, 1.2 hours before the alert went out and 237 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2007-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2007-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -151 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-151 m²/s²
0-3 km storm-relative helicity
-44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KGLD 300118
FFWGLD
NEC145-300715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
812 PM CDT TUE MAY 29 2007

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RED WILLOW COUNTY IN SOUTHWEST NEBRASKA...
  THIS INCLUDES THE CITIES OF...MCCOOK...LEBANON...INDIANOLA...
  DANBURY...BARTLEY...

* UNTIL 215 AM CDT WEDNESDAY

* AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WIDESPREAD  
  HEAVY RAIN OCCURRING ALONG AND UPSTREAM OF RED WILLOW COUNTY. RADAR 
  ESTIMATES OF 1 TO 2 INCHES HAVE BEEN COMMON UPSTREAM OF THE AREA.  
  THE REPUBLICAN RIVER 1 MILE SOUTHEAST OF MCCOOK IS NEARING FLOOD   
  STAGE...AND THE ADDITIONAL RAINFALL ACROSS AND UPSTREAM OF THE AREA 
  WILL LIKELY FORCE THIS LOCATION AND OTHER SMALL STREAMS ACROSS THE 
  AREA TO FLOOD.

* THE STORM PRODUCING VERY HEAVY RAIN WILL OTHERWISE REMAIN OVER
  MAINLY RURAL AREAS OF THE INDICATED COUNTY.

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.

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 4001 10075 4001 10015 4037 10020 4035 10080

$$

JRM
1 follow-up statement
000 
WGUS73 KGLD 300153
FFSGLD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
749 PM MDT TUE MAY 29 2007

NEC145-300715-
RED WILLOW NE-
849 PM CDT TUE MAY 29 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR RED
WILLOW COUNTY...

AT 844 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
AREAS OF HEAVY RAIN FALLING ACROSS RED WILLOW COUNTY. HEAVY RAIN HAS 
ALSO OCCURRED OVER AND UPSTREAM OF AREAS THAT RECEIVED HEAVY RAIN 
LAST NIGHT...AND RAPID RISES ON CREEKS AND WATER RUNNING OVER COUNTY 
ROADS AND LOW SPOTS ARE EXPECTED.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MCCOOK...
INDIANOLA AND BARTLEY

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 4001 10075 4001 10015 4037 10020 4035 10080

$$

JRM

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 7:43 PM CDTSevere Thunderstorm WarningGLDHitchcock32 min
May 29, 7:46 PM CDTSevere Thunderstorm WarningGLDRed Willow59 min
May 29, 8:16 PM CDTTornado WarningGLDRed Willow59 min

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.