Alert archive / Nebraska / Flash Flood Warnings in 2023

Flash Flood Warning 13, NWS North Platte, NE

June 23, 2023Deuel County, Garden County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 23, 2023, 9:01 PM MDT for Deuel County, Garden 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 outline as issued.

The facts

Issued
Jun 23, 2023, 9:01 PM MDT (03:01 UTC)
Expired
Jun 23, 2023, 11:34 PM MDT
In force
3 hr
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Flood severity
None

Counties Deuel County, NE, Garden County, NE

The radar

The North Platte radar (KLNX), 182 km from the middle of the area, began a volume at 03:03 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, 3.0 hours before the alert went out and 162 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 2023-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3021 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2023-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
3021 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1262 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
3.0
Supercell composite
19.8

Open this sounding in Storm Lab

The text

As transmitted.

896 
WGUS53 KLBF 240301
FFWLBF
NEC049-069-240545-
/O.NEW.KLBF.FF.W.0013.230624T0301Z-230624T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service North Platte NE
901 PM MDT Fri Jun 23 2023

The National Weather Service in North Platte has issued a

* Flash Flood Warning for...
  Northwestern Deuel County in the panhandle of Nebraska...
  Southwestern Garden County in the panhandle of Nebraska...

* Until 1145 PM MDT.

* At 901 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Chappell and Mount Vernon.

This includes the following highways...
	Interstate 80 in Nebraska between mile markers 78 and 85.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4126 10261 4127 10261 4129 10261 4133 10246
      4127 10234 4122 10245 4122 10246 4109 10245
      4103 10261 4115 10261

FLASH FLOOD...RADAR INDICATED

$$

Roberg
2 follow-up statements
817 
WGUS73 KLBF 240303
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
903 PM MDT Fri Jun 23 2023

NEC049-069-240545-
/O.CON.KLBF.FF.W.0013.000000T0000Z-230624T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Deuel NE-Garden NE-
903 PM MDT Fri Jun 23 2023

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM MDT THIS 
EVENING FOR NORTHWESTERN DEUEL AND SOUTHWESTERN GARDEN COUNTIES...

At 903 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 1.5 inches of rain have 
fallen. Additional rainfall amounts of 1 to 2 inches are possible in 
the warned area. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Chappell and Mount Vernon.

This includes the following highways...
	Interstate 80 in Nebraska between mile markers 78 and 85.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 4126 10261 4127 10261 4129 10261 4133 10246
      4127 10234 4122 10245 4122 10246 4109 10245
      4103 10261 4115 10261

FLASH FLOOD...RADAR INDICATED

$$

Roberg
181 
WGUS73 KLBF 240534
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
1134 PM MDT Fri Jun 23 2023

NEC049-069-240544-
/O.CAN.KLBF.FF.W.0013.000000T0000Z-230624T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Deuel NE-Garden NE-
1134 PM MDT Fri Jun 23 2023

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN DEUEL AND 
SOUTHWESTERN GARDEN COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 4126 10261 4127 10261 4129 10261 4133 10246
      4127 10234 4122 10245 4122 10246 4109 10245
      4103 10261 4115 10261

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 6:19 PM MDTSpecial Weather StatementLBFLincoln41 min
Jun 23, 6:27 PM MDTSpecial Weather StatementLBFHolt18 min
Jun 23, 7:17 PM MDTSpecial Weather StatementLBFSheridan43 min
Jun 23, 7:34 PM MDTSevere Thunderstorm WarningLBFSheridan41 min
Jun 23, 8:10 PM MDTSpecial Weather StatementLBFArthur50 min
Jun 23, 8:16 PM MDTSpecial Weather StatementLBFSheridan44 min
Jun 23, 8:16 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFDeuel, Garden44 min
Jun 23, 8:18 PM MDTSevere Thunderstorm WarningLBFArthur, Deuel, Garden, Keith42 min
Jun 23, 8:22 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan38 min
Jun 23, 8:29 PM MDTSevere Thunderstorm WarningLBFDeuel46 min
Jun 23, 8:42 PM MDTAreal Flood AdvisoryLBFDeuel, Garden19 min
Jun 23, 8:44 PM MDTSpecial Weather StatementLBFHolt31 min
Jun 23, 8:45 PM MDTSpecial Weather StatementLBFRock30 min
Jun 23, 8:55 PM MDTSevere Thunderstorm WarningLBFDeuel, Garden50 min
Jun 23, 8:56 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCherry, Grant, Sheridan49 min
Jun 23, 8:57 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFArthur, Garden, Grant, Keith48 min
Jun 23, 9:04 PM MDTSevere Thunderstorm Warning Destructive damage threatLBFArthur, Keith41 min
Jun 23, 9:07 PM MDTSpecial Weather StatementLBFSheridan38 min
Jun 23, 9:24 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt, Keya Paha, Rock51 min
Jun 23, 9:26 PM MDTSpecial Weather StatementLBFHolt49 min
Jun 23, 9:31 PM MDTSevere Thunderstorm WarningLBFHolt28 min
Jun 23, 9:33 PM MDTSpecial Weather StatementLBFHooker27 min
Jun 23, 9:37 PM MDTSpecial Weather StatementLBFCherry23 min
Jun 23, 9:42 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFArthur, Deuel, Garden, Keith48 min
Jun 23, 9:44 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCherry, Grant46 min
Jun 23, 9:45 PM MDTSpecial Weather StatementLBFSheridan45 min
Jun 23, 9:49 PM MDTSpecial Weather StatementLBFBoyd56 min
Jun 23, 9:51 PM MDTSpecial Weather StatementLBFCherry39 min
Jun 23, 9:55 PM MDTSevere Thunderstorm WarningLBFGarden, Sheridan50 min
Jun 23, 10:04 PM MDTAreal Flood AdvisoryLBFDeuel, Garden91 min
Jun 23, 10:09 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson, Perkins51 min
Jun 23, 10:14 PM MDTSevere Thunderstorm WarningLBFCherry46 min
Jun 23, 10:17 PM MDTSpecial Weather StatementLBFKeya Paha43 min
Jun 23, 10:27 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCherry, Garden, Grant, Sheridan30 min
Jun 23, 10:36 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFCherry39 min
Jun 23, 10:42 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt48 min
Jun 23, 10:43 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFArthur, Grant, Hooker, Keith, Lincoln, Logan and 3 more47 min
Jun 23, 10:51 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFBrown, Cherry, Keya Paha, Thomas39 min
Jun 23, 10:56 PM MDTSevere Thunderstorm WarningLBFKeya Paha64 min
Jun 23, 10:57 PM MDTSevere Thunderstorm Warning Destructive damage threatLBFHooker, Lincoln, Logan, McPherson, Perkins, Thomas48 min
Jun 23, 11:08 PM MDTSpecial Weather StatementLBFHolt52 min
Jun 23, 11:15 PM MDTAreal Flood AdvisoryLBFCherry3 hr
Jun 23, 11:19 PM MDTFlash Flood WarningLBFBoyd, Holt, Keya Paha, Rock5 hr
Jun 23, 11:21 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFBlaine, Brown, Cherry, Keya Paha, Rock, Thomas54 min
Jun 23, 11:26 PM MDTSpecial Weather StatementLBFBoyd49 min
Jun 23, 11:42 PM MDTSpecial Weather StatementLBFBlaine, Custer, Lincoln, Logan, Loup, Thomas48 min
Jun 24, 12:06 AM MDTSpecial Weather StatementLBFKeith39 min
Jun 24, 12:12 AM MDTSevere Thunderstorm WarningLBFBoyd, Brown, Holt, Keya Paha, Rock48 min
Jun 24, 12:21 AM MDTSevere Thunderstorm WarningLBFBlaine, Brown, Cherry, Custer, Garfield, Holt and 3 more39 min
Jun 24, 12:48 AM MDTSpecial Weather StatementLBFMcPherson42 min
Jun 24, 12:55 AM MDTSpecial Weather StatementLBFBoyd, Custer, Garfield, Holt, Loup, Rock and 1 more80 min
Jun 24, 1:47 AM MDTSevere Thunderstorm Warning Considerable damage threatLBFBoyd, Holt, Wheeler28 min
Jun 24, 8:59 AM MDTAreal Flood AdvisoryLBFBoyd9 hr
Jun 24, 2:47 PM MDTSpecial Weather StatementLBFBoyd43 min
Jun 24, 3:09 PM MDTSevere Thunderstorm Warning Considerable damage threatLBFBoyd36 min
Jun 24, 5:25 PM MDTSpecial Weather StatementLBFBoyd35 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.