Alert archive / Nebraska / Flash Flood Warnings in 2000

Flash Flood Warning 2, NWS Hastings, NE

July 3, 2000York County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jul 3, 2000, 11:28 PM CDT for York County, Nebraska. It was in force for 4 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
Jul 3, 2000, 11:28 PM CDT (04:28 UTC)
Expired
Jul 4, 2000, 3:00 AM CDT
In force
4 hr
Issued by
NWS Hastings, NE
Area
Whole counties

County York County, NE

The radar

The Grand Island radar (KUEX), 94 km from the middle of the area, began a volume at 04:28 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

Omaha, NE (KOAX), launched 00:00Z, 4.5 hours before the alert went out and 114 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, Omaha, NE at 00:00Z on 2000-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1469 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2000-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1469 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KGID 040428
FFWGID
NEC185-040800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1128 PM CDT MON JUL 3 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  YORK COUNTY IN EAST CENTRAL NEBRASKA

* UNTIL 300 AM CDT

* AT 1118 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY
  HEAVY RAIN 10 MILES SOUTH OF WACO...OR ABOUT 13 MILES SOUTHEAST
  OF YORK...MOVING NORTHEAST AT 30 MPH. OTHER THUNDERSTORMS PRODUCING
  HEAVY RAIN WERE 20 MILES WEST OF YORK...MOVING EAST AT 35 MPH.

RADAR RAINFALL ESTIMATES HAVE TOTALED 3 INCHES IN SOUTHERN YORK COUNTY
NEAR MCCOOL JUNCTION.  AN ADDITIONAL 1 OR 2 INCHES OF RAIN IS POSSIBLE
THROUGH 2 AM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT SRTAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

$$

KD

LAT...LON 4103 9781 4071 9780 4071 9738 4103 9737

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:00 PM CDTSevere Thunderstorm WarningGIDGosper45 min
Jul 3, 9:11 PM CDTSevere Thunderstorm WarningGIDGosper, Phelps64 min
Jul 3, 9:54 PM CDTSevere Thunderstorm WarningGIDKearney51 min
Jul 3, 10:33 PM CDTSevere Thunderstorm WarningGIDAdams, Hall42 min
Jul 3, 11:01 PM CDTSevere Thunderstorm WarningGIDYork59 min
Jul 4, 3:37 AM CDTFlash Flood WarningGIDFranklin3 hr

Nearby

Flash Flood Warnings in Nebraska, 2000Every 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.