Flash Flood Warning 14, NWS Omaha, NE

Issued

Jul 6, 2000, 12:32 AM CDT (05:32 UTC)

Expired

Jul 6, 2000, 7:00 AM CDT

In force

6 hr

Issued by

NWS Omaha, NE

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Colfax County, NE, Dodge County, NE, Douglas County, NE, Saunders County, NE, Washington County, NE

The Omaha radar (KOAX), 42 km from the middle of the area, began a volume at 05:31 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.

000 
WGUS53 KOAX 060532
FFWOAX
NEC037-053-055-155-177-061200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OMAHA NE
12233AM CDT THU JUL 6 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DODGE COUNTY IN EAST CENTRAL NEBRASKA
  DOUGLAS COUNTY IN EAST CENTRAL NEBRASKA
  NORTHERN SAUNDERS COUNTY IN EAST CENTRAL NEBRASKA
  COLFAX COUNTY IN NORTHEAST NEBRASKA

* UNTIL 700 AM CDT

* AT 1221 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A BAND OF
THUNDERSTORMS PRODUCING VERY HEAVY RAINS FROM NORTHERN COLFAX COUNTY
NEAR CLARKSON SOUTHEAST TO THE OMAHA METEO AREA.  THE THUNDERSTORMS
PRODUCING THE HEAVY RAIN WERE VERY SLOW MOVING AND PRODUCING
REPEATED HEAVY RAINS OVER THE SAME AREAS.  RAINFALL RATES OF OVER 2
INCHES PER HOUR WERE INDICATED BY NATIONAL WEATHER SERVICE DOPPLER
RADAR AND THIS IS EXPECTED TO CAUSE WIDESPREAD STREET FLOODING AND
FLOODING OF SMALL SREAMS AND CREEKS IN THE WARNED AREA DURING THE
OVERNIGHT HOURS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

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. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

TO REPORT SEVERE WEATHER OR FLOOEDING...HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN OMAHA.

LAT...LON 4167 9724 4124 9642 4143 9600 4176 9695

SKERRITT
NNNN

NWS Omaha, NE wrote its last area forecast discussion before this flash flood warning went out at Jul 5, 3:00 PM CDT, 9 hours 32 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
300 PM CDT WED JUL 5 2000

VERY BUSY WITH LIMITED TIME FOR DISCUSSION. STRONGEST PORTION OF
THUNDERSTORM COMPLEX SHIFTING INTO SOUTHWEST IOWA ATTM. HOWEVER
APPEARS TO GOOD CHANCE FOR ADDITIONAL DEVELOPMENT TNGT AS VERY MOIST
AND UNSTABLE CONVERGENCES AND IS LIFTED OVER WMFNT STALLED ALONG
NEBRASKA/KANSAS BORDER INTO NRN MISSOURI. ETA AND MESO ETA ALSO
KEYING ON THIS WITH QPF AND H3 DIVERGENCE PATTERN. WITH HEAVY
RAINFALL TODAY WITH EVENING SOME ONGOING RUNOFF PRBLMS AT THIS TIME
FEEL A FFA WARRANTED TNGT FOR MUCH OF CWFA EXCEPT PSBLY AREA VCNTY
KS BORDER WHERE H7 WARMER H7 TEMPS AOA 13C-14C LIMITING SRN EXTEND
OF DVMPMNT. ACTIVITY MAY LINGER INTO ESPCLY NRN CWFA UNTIL MRNG.

APPEARS INCREASING MID LEVEL TEMPS AND BNDRY LIFTING NWD SHOULD
LIMIT CONVECTION THEREAFTER WITH SFC BNDRY LIFTING NWD. HOWEVER SOME
CONCERN BY LATE FRI OR FRI NIGHT NERN NEB AS BNDRY APPROACHES.

.OMA...FLASH FLOOD WATCH TNGT...ALONG AND N OF A LINE FROM TOBIAS NEBRASKA
       TO HAMBURG AND BRADDYVILLE IA.

GW

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

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.