Alert archive / Nebraska / Flash Flood Warnings in 1997

Flash Flood Warning 3, NWS Omaha, NE

June 25, 1997Gage County, Pawnee County, Nebraska

NWS Omaha, NE issued this flash flood warning at Jun 25, 1997, 5:25 AM CDT for Gage County, Pawnee County, Nebraska. It was in force for 3 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
Jun 25, 1997, 5:25 AM CDT (10:25 UTC)
Expired
Jun 25, 1997, 8:30 AM CDT
In force
3 hr
Issued by
NWS Omaha, NE
Area
Whole counties

Counties Gage County, NE, Pawnee County, NE

The radar

The Omaha radar (KOAX), 125 km from the middle of the area, began a volume at 10:24 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, 10.4 hours before the alert went out and 125 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 1997-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2805 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 1997-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
2805 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1055 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOMA 251028
FFWOMA
NEC067-133-251330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
525 AM CDT WED JUN 25 1997

* FLASH FLOOD WARNING FOR
  SOUTHERN GAGE COUNTY - IN SOUTHEASTERN NEBRASKA
  PAWNEE COUNTY - IN SOUTHEASTERN NEBRASKA

* UNTIL 830 AM CDT
 
* SOME STREAMS AFFECTED
  INDIAN CREEK
  MISSION CREEK
  PLUM CREEK
  WILDCAT CREEK
  TURKEY CREEK AND ITS TRIBUTARIES
  JOHNSON CREEK

* CAUSE AND EFFECT
  RADAR ESTIMATES THAT TWO TO FIVE INCHES OF RAIN HAS FALLEN ACROSS
  THE SOUTHERN PART OF GAGE COUNTY AND MOST OF PAWNEE COUNTY SINCE
  LAST EVENING.  FLOODING HAS BEEN REPORTED SOUTH OF WYMORE WITH
  INDIAN CREEK OUT OF ITS BANKS.  ANOTHER PERIOD OF RAIN WILL OCCUR
  IN THE WARNED AREA THIS MORNING...WITH MORE FLOOD PROBLEMS
  EXPECTED.

THIS WARNING EXTENDS THE EARLIER WARNING FOR THE SAME AREA.
 
DO NOT DRIVE THROUGH FLOODED AREAS. SHALLOW...SWIFTLY FLOWING WATER
CAN WASH A CAR FROM A fROADWAY.  ALSO...THE ROADBED MAY NOT BE
INTACT UNDER THE WATER.

MILLER

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 25, 1:10 AM CDT, 4 hours 15 minutes before
IAZ079-080-090-091-NEZ066>068-078-088>093-250815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
110 AM CDT WED JUN 25 1997

...SEVERE THUNDERSTORM WATCH ALLOWED TO EXPIRE...

SEVERE THUNDERSTORM WATCH 519 HAS BEEN ALLOWED TO EXPIRE AT 1AM CDT
FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.

THUNDERSTORMS WILL CONTINUE THROUGH THE REST OF THE NIGHT ACROSS
SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.  SOME OF THE STORMS MAY
BE STRONG WITH HEAVY RAINFALL.

PERSONS SHOULD BE ALERT FOR POTENTIAL URBAN AND LOWLAND FLOODING.

DO NOT DRIVE THROUGH FLOODED AREAS. SHALLOW...SWIFTLY FLOWING WATER
CAN WASH A CAR FROM A ROADWAY.  ALSO...THE ROADBED MAY NOT BE
INTACT UNDER THE WATER.

GW
Special weather statement, Jun 25, 5:19 AM CDT, 6 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093-
IAZ043-055-056-069-079-080-090-091-261200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
520 AM CDT WED JUN 25 1997

...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA...

SPOTTER ACTION...
STORM SPOTTERS ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT IN
EASTERN NEBRASKA AND SOUTHWEST IOWA.

DISCUSSION...
SHOWERS AND A FEW THUNDERSTORMS SCATTERED OVER SOUTHEAST NEBRASKA AND
SOUTHWEST IOWA ARE EXPECTED TO END THIS MORNING WITH THUNDERSTORMS NOT
REACHING SEVERE CRITERIA.  WITH SOMEWHAT DRIER AND MORE STABLE AIR
MOVING INTO THE REGION NO ADDITIONAL THUNDERSTORM DEVELOPMENT IS
EXPECTED AT THISV TIME FOR THE REST OF TODAY AND TONIGHT.

GW
Special weather statement, Jun 25, 5:20 AM CDT, 5 minutes before
NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093-
IAZ043-055-056-069-079-080-090-091-261200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
520 AM CDT WED JUN 25 1997

...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA...

SPOTTER ACTION...
STORM SPOTTERS ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT IN
EASTERN NEBRASKA AND SOUTHWEST IOWA.

DISCUSSION...
MORE STABLE AIR WILL MAKE ANY THUNDERSTORM DEVELOPMENT IN SOUTHEAST
AND EAST CENTRAL NEBRASKA OR SOUTHWEST IOWA UNLIKELY THROUGH THURSDAY
MORNING.  A FEW SHOWERS ARE POSSIBLE THIS EVENING IN NORTHEAST
NEBRASKA BUT NO SEVERE WEATHER IS ANTICIPATED.

POWERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 10:10 PM CDTSevere Thunderstorm WarningOAXGage50 min
Jun 24, 11:19 PM CDTFlash Flood WarningOAXGage, Pawnee6 hr

Nearby

Flash Flood Warnings in Nebraska, 1997Every flash flood warning in 1997

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.