Alert archive / Nebraska / Flash Flood Warnings in 2023

Flash Flood Warning 29, NWS Goodland, KS

May 29, 2023Hitchcock County, Nebraska

NWS Goodland, KS issued this flash flood warning at May 29, 2023, 11:32 PM CDT for Hitchcock 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
May 29, 2023, 11:32 PM CDT (04:32 UTC)
Expired
May 30, 2023, 2:30 AM CDT
In force
3 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

County Hitchcock County, NE

The radar

The Goodland radar (KGLD), 106 km from the middle of the area, began a volume at 04:33 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, 4.5 hours before the alert went out and 112 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 2023-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2023-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.1939Sfc1 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
2 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
3017 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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 Goodland, KS wrote its last area forecast discussion before this flash flood warning went out at May 29, 9:40 PM CDT, 1 hour 52 minutes earlier.

Area forecast discussion, May 29, 9:40 PM CDT, 1 hour 52 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, May 29, 10:49 PM CDT, 43 minutes before
Hazardous Weather Outlook
National Weather Service Goodland KS
949 PM MDT Mon May 29 2023

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-310400-
Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas-
Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock-
Red Willow-
949 PM MDT Mon May 29 2023 /1049 PM CDT Mon May 29 2023/

This hazardous weather outlook is for extreme southwest Nebraska...
northwest Kansas and east central Colorado.

.DAY ONE...TONIGHT...

Flooding is ongoing across portions of southwest Nebraska, from
heavy rainfall received tonight. Please see the latest warning
products for the latest updated information.

Wind gusts up to 60 MPH may occur through midnight with any storms
that form north of Highway 36. However confidence is low wind gusts
will reach that magnitude.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY...

There is a marginal risk for severe weather within the region on
Tuesday and Wednesday. Possible hazards include severe winds and
large hail as well as the continued risk for flooding from heavy
rainfall. Please watch for future forecast updates.

Chances for showers and thunderstorms look to continue throughout
this week and into the weekend. Although severe weather cannot be
ruled out, the primary concerns at this time continue to be locally
heavy rainfall and the possibility of flooding and flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

JTL

In the hours before

Special weather statement, May 29, 9:01 PM CDT, 2 hours 31 minutes before
Special Weather Statement
National Weather Service Goodland KS
801 PM MDT Mon May 29 2023

NEZ079-080-300230-
Hitchcock NE-Dundy NE-
801 PM MDT Mon May 29 2023

...A strong thunderstorm will impact portions of western Hitchcock
and northeastern Dundy Counties through 830 PM MDT/930 PM CDT/...

At 801 PM MDT/901 PM CDT/, Doppler radar was tracking a strong
thunderstorm 9 miles south of Enders Reservoir State Recreation Area,
or 15 miles south of Imperial, moving east at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of western Hitchcock
and northeastern Dundy Counties, including the following locations...
Max.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4005 10121 4018 10174 4035 10167 4035 10115
TIME...MOT...LOC 0201Z 279DEG 25KT 4029 10159

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

CA
Special weather statement, May 29, 10:02 PM CDT, 1 hour 30 minutes before
Special Weather Statement
National Weather Service Goodland KS
1002 PM CDT Mon May 29 2023

KSZ002-003-NEZ080-081-300330-
Rawlins KS-Decatur KS-Red Willow NE-Hitchcock NE-
1002 PM CDT Mon May 29 2023

...Strong thunderstorms will impact portions of eastern Rawlins,
northwestern Decatur, Red Willow and southeastern Hitchcock Counties
through 1030 PM CDT...

At 1001 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 3 miles west of Cambridge to 10 miles northwest
of Ludell. Movement was southeast at 20 mph.

HAZARD...Wind gusts of 50 to 55 mph and pea size hail.

SOURCE...At 952 PM the McCook Airport reported 56 mph wind gusts.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Ludell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4000 10019 3965 10113 3995 10127 4035 10024
      4035 10020
TIME...MOT...LOC 0301Z 294DEG 16KT 4027 10023 3996 10110

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

CA
Local storm report, May 29, 10:07 PM CDT, 1 hour 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
907 PM MDT MON MAY 29 2023

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

0843 PM     TSTM WND GST     1 E MCCOOK              40.21N 100.59W
05/29/2023  M56 MPH          RED WILLOW         NE   ASOS

            OCCURRED AS THE THUNDERSTORM MOVED OVERHEAD.

&&

JTL
Special weather statement, May 29, 10:57 PM CDT, 35 minutes before
Special Weather Statement
National Weather Service Goodland KS
957 PM MDT Mon May 29 2023

NEZ079-300445-
Dundy NE-
957 PM MDT Mon May 29 2023

...A strong thunderstorm will impact portions of northern Dundy
County through 1045 PM MDT...

At 957 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles southwest of Champion, or 16 miles southwest of Imperial,
moving east at 25 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of northern Dundy
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4012 10133 4022 10190 4035 10191 4035 10132
TIME...MOT...LOC 0357Z 266DEG 21KT 4032 10181

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

KMK
Special weather statement, May 29, 11:02 PM CDT, 30 minutes before
Special Weather Statement
National Weather Service Goodland KS
1102 PM CDT Mon May 29 2023

NEZ080-300445-
Hitchcock NE-
1102 PM CDT Mon May 29 2023

...A strong thunderstorm will impact portions of northern Hitchcock
County through 1145 PM CDT...

At 1102 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles west of Palisade, or 15 miles northwest of Trenton, moving east
at 25 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Palisade.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4017 10076 4019 10132 4035 10132 4035 10076
TIME...MOT...LOC 0402Z 266DEG 21KT 4030 10126

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

KMK
Special weather statement, May 29, 11:22 PM CDT, 10 minutes before
Special Weather Statement
National Weather Service Goodland KS
1122 PM CDT Mon May 29 2023

KSZ001-300515-
Cheyenne KS-
1122 PM CDT Mon May 29 2023

...Strong thunderstorms will impact portions of Cheyenne County in
northwestern Kansas through 1215 AM CDT...

At 1122 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles east of Haigler to 10 miles west of St.
Francis. Movement was east at 30 mph.

HAZARD...Winds in excess of 30 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  St. Francis and Bird City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3960 10141 3971 10205 4000 10205 4000 10141
TIME...MOT...LOC 0422Z 280DEG 24KT 4000 10184 3977 10199

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...30 MPH

KMK

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 10:02 PM CDTSpecial Weather StatementGLDRawlins28 min
May 29, 11:22 PM CDTSpecial Weather StatementGLDCheyenne53 min
May 30, 1:19 AM CDTSpecial Weather StatementGLDCheyenne26 min
May 30, 2:04 AM CDTSpecial Weather StatementGLDRawlins26 min
May 30, 3:15 AM CDTFlash Flood WarningGLDCheyenne106 min
May 30, 4:00 PM CDTSpecial Weather StatementGLDGraham30 min
May 30, 4:36 PM CDTSpecial Weather StatementGLDGraham24 min
May 30, 4:42 PM CDTSevere Thunderstorm WarningGLDGraham, Sheridan63 min
May 30, 5:14 PM CDTSpecial Weather StatementGLDGove31 min
May 30, 5:23 PM CDTFlash Flood WarningGLDGraham3 hr
May 30, 5:30 PM CDTSpecial Weather StatementGLDSherman30 min
May 30, 5:39 PM CDTSpecial Weather StatementGLDSherman36 min
May 30, 5:46 PM CDTFlash Flood WarningGLDSherman, Wallace3 hr
May 30, 5:47 PM CDTSevere Thunderstorm WarningGLDGove, Graham, Sheridan58 min
May 30, 5:56 PM CDTSevere Thunderstorm Warning Considerable damage threatGLDSheridan, Thomas64 min
May 30, 6:00 PM CDTSpecial Weather StatementGLDGreeley60 min
May 30, 6:14 PM CDTSevere Thunderstorm WarningGLDSherman, Thomas25 min
May 30, 6:16 PM CDTFlash Flood WarningGLDDecatur, Rawlins, Sheridan, Thomas3 hr
May 30, 6:18 PM CDTFlash Flood WarningGLDGove, Graham, Sheridan3 hr
May 30, 6:22 PM CDTSpecial Weather StatementGLDWallace53 min
May 30, 6:26 PM CDTSpecial Weather StatementGLDLogan34 min
May 30, 6:27 PM CDTFlash Flood WarningGLDLogan2 hr
May 30, 6:40 PM CDTFlash Flood WarningGLDThomas2 hr
May 30, 6:49 PM CDTSevere Thunderstorm WarningGLDGove43 min
May 30, 6:54 PM CDTSpecial Weather StatementGLDWichita36 min
May 30, 6:59 PM CDTSevere Thunderstorm WarningGLDRawlins32 min
May 29, 8:13 PM CDTSpecial Weather StatementGLDPhillips32 min
May 29, 8:43 PM CDTSpecial Weather StatementGLDPhillips32 min
May 30, 4:55 PM CDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson65 min
May 30, 6:30 PM CDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson44 min
May 29, 7:13 PM CDTSpecial Weather StatementGLDHitchcock47 min
May 29, 7:23 PM CDTFlash Flood WarningGLDDundy6 hr
May 29, 7:43 PM CDTSpecial Weather StatementGLDDundy32 min
May 29, 8:31 PM CDTSpecial Weather StatementGLDDundy29 min
May 29, 9:01 PM CDTSpecial Weather StatementGLDDundy29 min
May 29, 10:57 PM CDTSpecial Weather StatementGLDDundy48 min
May 29, 11:02 PM CDTSpecial Weather StatementGLDHitchcock43 min
May 30, 1:45 AM CDTSpecial Weather StatementGLDDundy30 min
May 30, 1:57 AM CDTAreal Flood WarningGLDDundy, Hitchcock6 hr
May 30, 2:14 AM CDTSpecial Weather StatementGLDDundy31 min
May 30, 2:45 AM CDTSpecial Weather StatementGLDDundy30 min

Nearby

Flash Flood Warnings in Nebraska, 2023Every flash flood warning in 2023

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.