Alert archive / Nebraska / Flash Flood Warnings in 2002

Flash Flood Warning 4, NWS Goodland, KS

August 26, 2002Dundy County, Hitchcock County, Nebraska

NWS Goodland, KS issued this flash flood warning at Aug 26, 2002, 2:32 PM MDT for Dundy County, Hitchcock County, Nebraska. 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 outline as issued.

The facts

Issued
Aug 26, 2002, 2:32 PM MDT (20:32 UTC)
Expired
Aug 26, 2002, 8:30 PM MDT
In force
6 hr
Issued by
NWS Goodland, KS
Area
Counties, with a storm outline in the text

Counties Dundy County, NE, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 89 km from the middle of the area, began a volume at 20:33 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, 8.5 hours before the alert went out and 129 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, N. Platte/Lee Bi, NE at 12:00Z on 2002-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1929 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2002-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1929 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KGLD 262032
FFWGLD
NEC057-087-270230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
331 PM CDT MON AUG 26 2002

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DUNDY COUNTY IN SOUTHWEST NEBRASKA
  HITCHCOCK COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 930 PM CDT(830 PM MDT)

* AT 331 PM CDT(231 PM MDT)...THE PUBLIC REPORTED FLOODING NEAR      
  MAX...OR ABOUT 6 MILES NORTHEAST OF BENKELMAN. THE AREA OF HEAVY   
  RAIN WAS NEARLY STATIONARY.

  AT 330 PM CDT THE PUBLIC REPORTED FLOODING 8 SOUTHEAST OF          
  STRATTON NEBRASKA.

* SOME LOCATIONS INCLUDED IN THIS WARNING ARE...BENKELMAN...MAX...
  STRATTON NE AND TRENTON.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. KNOW YOUR
LOCATION IN RELATION TO STREAMS...RIVERS...OR CREEKS THAT CAN BECOME
KILLERS IN HEAVY RAINS. DO NOT ATTEMPT TO DRIVE THROUGH RISING WATER.
DO NOT CROSS AREAS WHERE WATER IS FLOWING...EVEN ON FOOT. RAPIDLY
FLOWING WATER CAN QUICKLY SWEEP YOU OFF YOUR FEET.

&&

LAT...LON 4001 10156 4002 10095 4026 10091 4025 10160

LAMMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 12:51 PM MDTSevere Thunderstorm WarningGLDDundy54 min
Aug 26, 1:21 PM MDTSevere Thunderstorm WarningGLDHitchcock54 min
Aug 26, 1:42 PM MDTSevere Thunderstorm WarningGLDDundy63 min
Aug 26, 2:01 PM MDTTornado WarningGLDDundy29 min
Aug 26, 2:14 PM MDTSevere Thunderstorm WarningGLDHitchcock61 min

Nearby

Flash Flood Warnings in Nebraska, 2002Every flash flood warning in 2002

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.