Alert archive / Nebraska / Flash Flood Warnings in 1999

Flash Flood Warning 7, NWS Goodland, KS

June 26, 1999Red Willow County, Nebraska

NWS Goodland, KS issued this flash flood warning at Jun 26, 1999, 10:29 PM CDT for Red Willow 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 26, 1999, 10:29 PM CDT (03:29 UTC)
Expired: Jun 27, 1999, 1:30 AM CDT
In force: 3 hr
Issued by: NWS Goodland, KS
Area: Whole counties

County Red Willow County, NE

The radar

The Goodland radar (KGLD), 138 km from the middle of the area, began a volume at 03:29 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 00:00Z, 3.5 hours before the alert went out and 107 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: 2382 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1184 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Goodland, KS wrote its last area forecast discussion before this flash flood warning went out at Jun 26, 3:06 PM CDT, 7 hours 23 minutes earlier.

Area forecast discussion, Jun 26, 3:06 PM CDT, 7 hours 23 minutes before

GOODLAND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
206 PM MDT SAT JUN 26 1999

POPS ARE GREATEST CHALLENGE FOR THIS PACKAGE.

HAVE CHOSEN ETA/ECMWF BLEND FOR PERIOD 1 THROUGH DAY 5 PORTION OF
PACKAGE WITH A LITTLE WEIGHT GIVEN TO NGM FOR PERIOD 1 BASED ON
INITIALIZATION OF MASS AND MOISTURE.

SCENARIO IS BEING SET WITH INCREASING FLOW ALOFT ASSOCIATED WITH
SHORTWAVE AIDING THE FLATTENING OF THE UPPER WESTERN U.S. RIDGE.  AT
1940Z CU WERE BEGINNING TO DEVELOP ALONG MAIN FRONTAL BOUNDARY
ROUGHLY FROM KLBF TO KSNY.  EXPECT TSRA TO INITIATE NORTHWEST OF THE
CWFA AND SOME TYPE OF CONVECTIVE CLUSTER TO MOVE ALONG THE KS/NEB
STATE LINE OVERNIGHT.  OTHER ACTIVITY IS POSSIBLE SOUTH OF CLUSTER
AS NUMEROUS OLD BOUNDARIES LIE OVER THE CWFA.  A SECOND MCS COULD
BEGIN IN THE EASTERN CWFA AND MOVE SOUTH SOUTHEAST.

LOWEST COVERAGE LIKELY TO BE IN SOUTHWEST CWFA WHERE 700 MB TEMPS ARE
PROGGED TO REMAIN ABOVE 14C...ALTHOUGH MESOSCALE INTERACTIONS WITH
TSRA TO THE NORTH COULD COOL THAT AREA ENOUGH TO ALLOW CONVECTION TO
SURVIVE.  WILL HAVE TO WAIT AND SEE.

3 HOUR FLASH FLOOD GUIDANCE RANGES FROM 2.0 INCHES AROUND KHLC TO
3.4 INCHES IN EXTREME SOUTHWEST NEBRASKA...SO WILL NOT ISSUE ANY
TYPE OF FLOOD WATCH AT THIS TIME AND LET THE EVENING SHIFT EVALUATE
BASED ON WHERE THE STORMS GO.

MUCH OF THE AREA WILL BE CLOUDY WITH AREAS OF FOG BY THE EARLY
MORNING HOURS IN THE WAKE OF MCS ACTIVITY AND UPSLOPE FLOW
RETURNING.  THIS SHOULD COOL TEMPS A BIT FROM TODAYS MAXES.
HEIGHTS LOWER ONCE AGAIN IN RESPONSE TO ANOTHER SHORTWAVE IN THE
FLATTENED FLOW WITH MID LEVEL VORTICITY GENERATION PROGGED TO OCCUR
ALONG THE COLORADO FRONT RANGE.  BELIEVE MOST STORMS WILL BE WEST OF
THE COLORADO PORTION OF THE CWFA...BUT CONVERGENT TROUGH WILL BE
CLOSE ENOUGH TO WARRANT A MENTIONABLE POP.

SHORTWAVE CONTINUE TO MOVE OVER THE AREA SUNDAY NIGHT INTO MONDAY...
WITH MAX TEMPS COOLER BY A CATEGORY OR SO ON MONDAY THAN ON SUNDAY.
LOWS BASED ON PROGGED BOUNDARY LAYER DEWPOINTS.

IN THE EXTENDED...BLENDED ECMWF AND UKMET FOR PROGS.  CHANCE POPS
MONDAY NIGHT ALL AREAS.  CHANCE TSRA FOR COLORADO COUNTIES ON
TUESDAY WITH CHANCE ALL OF CWFA WEDNESDAY.  COULD STILL HAVE SOME
LEFTOVER SHOWERS THURSDAY...BUT FRONTAL BOUNDARY LOOKS TO BE ALL THE
WAY TOWARD RED RIVER VALLEY WEDNESDAY WHILE ENERGY EJECTS FROM
TROUGH MOVING OVER THE CWFA.

TEMPS NEAR NORMAL TUESDAY AND THEN BELOW NORMAL WEDNESDAY AND
THURSDAY.

.GLD...NONE.

ENTWISTLE

In the hours before

Local storm report, Jun 26, 9:44 PM CDT, 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
844 PM MDT SAT JUN 26 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0815 PM    9 NNW DANBURY             NE    TORNADO
06/26/99   RED WILLOW                      30 SECOND DURATION

SVEN

Local storm report, Jun 26, 9:44 PM CDT, 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
844 PM MDT SAT JUN 26 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0815 PM    9 NNW DANBURY             NE    TORNADO
06/26/99   RED WILLOW                      30 SECOND DURATION

SVEN

Local storm report, Jun 26, 9:48 PM CDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
848 PM MDT SAT JUN 26 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0842 PM    MC COOK                   NE    1.75 INCH HAIL
06/26/99   RED WILLOW

SVEN

Local storm report, Jun 26, 9:48 PM CDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
848 PM MDT SAT JUN 26 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0842 PM    MC COOK                   NE    1.75 INCH HAIL
06/26/99   RED WILLOW

SVEN

Local storm report, Jun 26, 10:04 PM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
904 PM MDT SAT JUN 26 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0903 PM    MC COOK                   NE    1.25 INCH HAIL
06/26/99   RED WILLOW                      NUMEROUS CAR WINDOWS
                                           BROKEN

SVEN

Local storm report, Jun 26, 10:04 PM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
904 PM MDT SAT JUN 26 1999

TIME(MDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0903 PM    MC COOK                   NE    1.25 INCH HAIL
06/26/99   RED WILLOW                      NUMEROUS CAR WINDOWS
                                           BROKEN

SVEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 7:54 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	51 min
Jun 26, 8:47 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	48 min
Jun 26, 9:05 PM CDT	Tornado Warning	GLD	Red Willow	50 min
Jun 26, 9:41 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	44 min
Jun 26, 9:54 PM CDT	Tornado Warning	GLD	Red Willow	66 min
Jun 26, 10:59 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	61 min
Jun 27, 12:02 AM CDT	Severe Thunderstorm Warning	GLD	Dundy	63 min
Jun 27, 1:08 AM CDT	Severe Thunderstorm Warning	GLD	Dundy	52 min
Jun 27, 1:19 AM CDT	Severe Thunderstorm Warning	GLD	Hitchcock	46 min
Jun 27, 2:04 AM CDT	Severe Thunderstorm Warning	GLD	Red Willow	46 min

Nearby

Flash Flood Warnings in Nebraska, 1999 Every flash flood warning in 1999

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.