Alert archive / Nebraska / Flash Flood Warnings in 2019

Flash Flood Warning 30, NWS Hastings, NE

July 10, 2019Nuckolls County, Webster County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jul 10, 2019, 5:21 AM CDT for Nuckolls County, Webster 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 counties it named.

The facts

Issued
Jul 10, 2019, 5:21 AM CDT (10:21 UTC)
Expired
Jul 10, 2019, 11:15 AM CDT
In force
6 hr
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Flood severity
None

Counties Nuckolls County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 22 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.4 hours before the alert went out and 223 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, N. Platte/Lee Bi, NE at 00:00Z on 2019-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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, N. Platte/Lee Bi, NE at 00:00Z on 2019-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.19395878Sfc1 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
39 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
2589 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

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 Hastings, NE wrote its last area forecast discussion before this flash flood warning went out at Jul 10, 5:11 AM CDT, 10 minutes earlier.

Area forecast discussion, Jul 10, 5:11 AM CDT, 10 minutes before
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Hazardous weather outlook, Jul 9, 7:09 PM CDT, 10 hours 12 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Hastings NE
709 PM CDT Tue Jul 9 2019

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
110015-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
709 PM CDT Tue Jul 9 2019

This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.

.DAY ONE...Tonight.

Significant flooding is ongoing over much of south central
Nebraska west of Highway 281. Please see individual flood
statements for additional, more specific information.

Scattered thunderstorms are expected after 10 PM. Some storms
could be severe...producing hail up to the size of quarters and
wind gusts of 50 to 60 MPH.

Storms will also produce heavy downpours. Any heavy rain on
saturated soil will renew flooding or worsen ongoing flooding over
south central Nebraska west of Highway 281. A Flash Flood Watch
remains in effect tonight. Please see the Watch message for more
information.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Significant flooding will likely continue for the next several
days due to runoff from recent heavy rain, particularly along the
Wood River, Platte River and Republican River in south central
Nebraska. Please see individual flood statements for
additional, more specific information.

Thunderstorms may continue into Wednesday morning, mainly over
north central Kansas.

Periodic thunderstorms are possible Friday night through Saturday
night, but it is too soon to determine severe thunderstorm
potential.

.SPOTTER INFORMATION STATEMENT...

Spotter activation might be needed tonight. Please report flash
flooding...hail...or wind damage to the National Weather Service.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

Kelley

In the hours before

Local storm report, Jul 10, 3:23 AM CDT, 1 hour 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
323 AM CDT WED JUL 10 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0256 AM     TSTM WND GST     6 ESE OXFORD            40.23N 99.53W
07/10/2019  M63 MPH          HARLAN             NE   MESONET

            PERSONAL WEATHER STATION VIA DAVIS
            WEATHERLINK.

&&

THIES
Special weather statement, Jul 10, 3:39 AM CDT, 1 hour 42 minutes before
Special Weather Statement
National Weather Service Hastings NE
339 AM CDT Wed Jul 10 2019

KSZ005-006-017-018-NEZ084-100930-
Rooks KS-Phillips KS-Smith KS-Osborne KS-Franklin NE-
339 AM CDT Wed Jul 10 2019

...GUSTY WINDS WILL AFFECT PARTS OF ROOKS...SMITH...WESTERN OSBORNE
AND PHILLIPS COUNTIES...

At 337 AM CDT, Doppler radar was tracking a gust front extending
along a line extending from near Naponee to near Logan. Movement was
southeast at 45 mph. This gust front was ahead of strong
thunderstorms moving into north central Kansas.

Wind gusts of 50 to 55 mph will be possible with this gust front.

Locations impacted include...
Phillipsburg, Plainville, Smith Center, Osborne, Stockton,
Kensington, Natoma, Palco, Agra, Lebanon, Kirwin, Woodston, Damar,
Gaylord, Portis, Alton, Zurich, Glade, Athol and Speed.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

The thunderstorms that generated this gust front may intensify, so
be certain to monitor local radio stations and available television
stations for additional information and possible warnings from the
National Weather Service.

&&

LAT...LON 3913 9960 3957 9960 3957 9962 4000 9921
      4000 9917 4001 9918 4000 9851 3957 9851
      3913 9904
TIME...MOT...LOC 0837Z 310DEG 41KT 4000 9911 3960 9961

Kelley
Local storm report, Jul 10, 4:08 AM CDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
408 AM CDT WED JUL 10 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0327 AM     HAIL             8 S WILCOX              40.26N 99.15W
07/10/2019  E1.00 INCH       FRANKLIN           NE   PUBLIC

            REPORT VIA FACEBOOK. TIME ESTIMATED FROM
            RADAR.

&&

THIES
Special weather statement, Jul 10, 4:32 AM CDT, 49 minutes before
Special Weather Statement
National Weather Service Hastings NE
432 AM CDT Wed Jul 10 2019

NEZ082-101015-
Furnas NE-
432 AM CDT Wed Jul 10 2019

...SIGNIFICANT WEATHER ADVISORY FOR FURNAS COUNTY UNTIL 515 AM CDT...

At 432 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Cambridge to Danbury. Movement was east at
40 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations impacted include...
Cambridge, Arapahoe, Oxford, Beaver City, Holbrook, Edison,
Wilsonville, Hendley and Hollinger.

LAT...LON 4035 10020 4035 9963 4013 9963 4001 9972
      4000 10019
TIME...MOT...LOC 0932Z 261DEG 36KT 4035 10018 4005 10041

Heinlein
Local storm report, Jul 10, 4:52 AM CDT, 29 minutes before
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Local storm report, Jul 10, 4:58 AM CDT, 23 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 9:06 PM CDTRiver Flood WarningGIDHall6 days
Jul 9, 9:33 PM CDTRiver Flood WarningGIDHall, Hamilton, Merrick21 days
Jul 10, 1:30 AM CDTSpecial Weather StatementGIDFurnas15 min
Jul 10, 1:34 AM CDTSevere Thunderstorm WarningGIDFurnas, Gosper41 min
Jul 10, 1:40 AM CDTSevere Thunderstorm WarningGIDDawson35 min
Jul 10, 2:08 AM CDTSpecial Weather StatementGIDBuffalo37 min
Jul 10, 2:12 AM CDTSevere Thunderstorm WarningGIDFurnas, Gosper48 min
Jul 10, 2:20 AM CDTFlash Flood WarningGIDFurnas, Gosper3 hr
Jul 10, 2:27 AM CDTSpecial Weather StatementGIDFurnas, Gosper33 min
Jul 10, 2:37 AM CDTSevere Thunderstorm WarningGIDHarlan38 min
Jul 10, 2:55 AM CDTSevere Thunderstorm WarningGIDFurnas39 min
Jul 10, 3:14 AM CDTSevere Thunderstorm WarningGIDFranklin, Harlan46 min
Jul 10, 3:19 AM CDTSevere Thunderstorm WarningGIDFurnas, Harlan41 min
Jul 10, 3:57 AM CDTSevere Thunderstorm WarningGIDFranklin, Nuckolls, Webster48 min
Jul 10, 4:13 AM CDTSevere Thunderstorm WarningGIDFranklin, Nuckolls, Webster47 min
Jul 10, 4:26 AM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer, Webster49 min
Jul 10, 4:32 AM CDTSpecial Weather StatementGIDFurnas43 min
Jul 10, 4:58 AM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer47 min
Jul 10, 5:44 AM CDTSevere Thunderstorm WarningGIDThayer31 min
Jul 10, 6:02 AM CDTAreal Flood AdvisoryGIDThayer3 hr
Jul 10, 7:29 AM CDTAreal Flood WarningGIDThayer4 hr
Jul 10, 8:33 AM CDTAreal Flood AdvisoryGIDAdams3 hr
Jul 10, 11:07 AM CDTAreal Flood WarningGIDNuckolls, Thayer, Webster24 hr
Jul 10, 11:28 AM CDTAreal Flood AdvisoryGIDAdams6 hr
Jul 10, 3:39 AM CDTSpecial Weather StatementGIDPhillips, Rooks, Smith51 min
Jul 10, 9:52 AM CDTRiver Flood WarningGIDOsborne, Smith29 hr
Jul 10, 2:25 PM CDTAreal Flood WarningGIDPhillips22 hr

Nearby

Flash Flood Warnings in Nebraska, 2019Every flash flood warning in 2019

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.