Alert archive / Nebraska / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS North Platte, NE

July 3, 2000Lincoln County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jul 3, 2000, 4:52 PM CDT for Lincoln 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jul 3, 2000, 4:52 PM CDT (21:52 UTC)
Expired: Jul 3, 2000, 10:45 PM CDT
In force: 6 hr
Issued by: NWS North Platte, NE
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 118 km from the middle of the area, began a volume at 21:52 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, 9.9 hours before the alert went out and 29 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 307 J/kg
Mixed-layer CIN: -278 J/kg
Mixed-layer LCL: 2044 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 58 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 KLBF 032158
FFWLBF
NEC111-040345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
452 PM CDT MON JUL 3 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 1045 PM CDT

* AT 447 PM CDT...TRAINED WEATHER SPOTTERS REPORTED VERY HEAVY 
  RAIN 12 MILES SOUTH OF BRADY...OR 30 MILES SOUTHEAST OF NORTH 
  PLATTE.  THUNDERSTORMS CONTINUE TO REDEVELOP OVER THIS AREA.

VERY HEAVY RAIN MAY PRODUCE FLASH FLOODING ALONG NORTH PLUM CREEK OR 
IN THE CANYON AREAS OF SOUTHEAST LINCOLN COUNTY.  AFTER STORMS 
DIMINISH...FLASH FLOODING IS STILL POSSIBLE W{ITH RUNOFF FLOWING INTO 
CREEKS AND CANYONS.  IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. DO 
NOT STAY IN AREAS SUBJECT OF FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4104 10054 4071 10053 4070 10022 4104 10025
$$
DDB

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 3:36 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	54 min
Jul 3, 3:44 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	61 min
Jul 3, 4:02 PM CDT	Severe Thunderstorm Warning	LBF	McPherson	58 min
Jul 3, 4:42 PM CDT	Severe Thunderstorm Warning	LBF	Hooker	63 min
Jul 3, 4:47 PM CDT	Severe Thunderstorm Warning	LBF	Thomas	43 min
Jul 3, 5:21 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	54 min
Jul 3, 5:46 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	59 min
Jul 3, 6:37 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	68 min
Jul 3, 6:56 PM CDT	Tornado Warning	LBF	Frontier	64 min

Nearby

Flash Flood Warnings in Nebraska, 2000 Every flash flood warning in 2000

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.