Alert archive / Nebraska / Flash Flood Warnings in 2021

Flash Flood Warning 4, NWS North Platte, NE

May 26, 2021Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this flash flood warning at May 26, 2021, 7:47 PM CDT for Frontier County, Hayes County, Nebraska. It was in force for 10 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: May 26, 2021, 7:47 PM CDT (00:47 UTC)
Expired: May 27, 2021, 5:42 AM CDT
In force: 10 hr
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Flood severity: None

Counties Frontier County, NE, Hayes County, NE

The radar

The North Platte radar (KLNX), 161 km from the middle of the area, began a volume at 00:50 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, 0.8 hours before the alert went out and 71 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: 124 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1622 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 363 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

As transmitted.

508 
WGUS53 KLBF 270047
FFWLBF
NEC063-085-270645-
/O.NEW.KLBF.FF.W.0004.210527T0047Z-210527T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service North Platte NE
747 PM CDT Wed May 26 2021

The National Weather Service in North Platte has issued a

* Flash Flood Warning for...
  Frontier County in southwestern Nebraska...
  Hayes County in southwestern Nebraska...

* Until 145 AM CDT.

* At 747 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Curtis, Hayes Center, Eustis, Stockville, Medicine Creek Reservoir 
  State Recreation Area, Maywood, Hamlet, Quick, Bluegill Haven 
  Campground, Willow View Campground, Red Willow Reservoir State 
  Recreation Area, Dancing Leaf Earth Lodge, Freedom, Hayes Center 
  State Wildlife Management Area, Marengo and Orafino.

This includes the following highways...
	Highway 83 between mile markers 27 and 49.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4070 9999 4044 9998 4044 10010 4035 10010
      4035 10133 4061 10132

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 3 HOURS 

$$

CDC

5 follow-up statements

590 
WGUS73 KLBF 270203
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
903 PM CDT Wed May 26 2021

NEC063-085-270645-
/O.CON.KLBF.FF.W.0004.000000T0000Z-210527T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Frontier NE-Hayes NE-
903 PM CDT Wed May 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT THURSDAY 
FOR FRONTIER AND HAYES COUNTIES...

At 903 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 3 inches of rain have 
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Curtis, Hayes Center, Eustis, Stockville, Medicine Creek Reservoir 
  State Recreation Area, Maywood, Hamlet, Quick, Bluegill Haven 
  Campground, Willow View Campground, Red Willow Reservoir State 
  Recreation Area, Dancing Leaf Earth Lodge, Freedom, Hayes Center 
  State Wildlife Management Area, Marengo and Orafino.

This includes the following highways...
	Highway 83 between mile markers 27 and 48.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4070 9999 4044 9998 4044 10010 4035 10010
      4035 10133 4061 10132

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 3 HOURS 

$$

CDC

664 
WGUS73 KLBF 270256
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
956 PM CDT Wed May 26 2021

NEC063-085-270645-
/O.CON.KLBF.FF.W.0004.000000T0000Z-210527T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Frontier NE-Hayes NE-
956 PM CDT Wed May 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT THURSDAY 
FOR FRONTIER AND HAYES COUNTIES...

At 956 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 4 inches of rain have 
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Curtis, Hayes Center, Eustis, Stockville, Medicine Creek Reservoir 
  State Recreation Area, Maywood, Hamlet, Quick, Bluegill Haven 
  Campground, Willow View Campground, Red Willow Reservoir State 
  Recreation Area, Dancing Leaf Earth Lodge, Freedom, Hayes Center 
  State Wildlife Management Area, Marengo and Orafino.

This includes the following highways...
	Highway 83 between mile markers 27 and 48.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4070 9999 4044 9998 4044 10010 4035 10010
      4035 10133 4061 10132

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 3 HOURS 

$$

CDC

722 
WGUS73 KLBF 270342
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
1042 PM CDT Wed May 26 2021

NEC063-085-270645-
/O.CON.KLBF.FF.W.0004.000000T0000Z-210527T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Frontier NE-Hayes NE-
1042 PM CDT Wed May 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT THURSDAY 
FOR FRONTIER AND HAYES COUNTIES...

At 1042 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 2 and 5 inches of rain 
have fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  Curtis, Hayes Center, Eustis, Stockville, Medicine Creek Reservoir 
  State Recreation Area, Maywood, Hamlet, Quick, Bluegill Haven 
  Campground, Willow View Campground, Red Willow Reservoir State 
  Recreation Area, Dancing Leaf Earth Lodge, Freedom, Hayes Center 
  State Wildlife Management Area, Marengo and Orafino.

This includes the following highways...
	Highway 83 between mile markers 27 and 48.

Less than 1 inch of additional rainfall is expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4070 9999 4044 9998 4044 10010 4035 10010
      4035 10133 4061 10132

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 3 HOURS 

$$

CDC

973 
WGUS53 KLBF 270630
FFWLBF
NEC063-085-271145-
/O.EXT.KLBF.FF.W.0004.000000T0000Z-210527T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service North Platte NE
130 AM CDT Thu May 27 2021

The National Weather Service in North Platte has extended the

* Flash Flood Warning for...
  Frontier County in southwestern Nebraska...
  Hayes County in southwestern Nebraska...

* Until 645 AM CDT.

* At 130 AM CDT, Doppler radar indicated thunderstorms produced 
  heavy rain across the warned area. Between 2 and 5 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Curtis, Hayes Center, Eustis, Stockville, Medicine Creek Reservoir 
  State Recreation Area, Maywood, Hamlet, Quick, Bluegill Haven 
  Campground, Willow View Campground, Red Willow Reservoir State 
  Recreation Area, Dancing Leaf Earth Lodge, Freedom, Hayes Center 
  State Wildlife Management Area, Marengo and Orafino.

This includes the following highways...
	Highway 83 between mile markers 27 and 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4070 9999 4044 9998 4044 10010 4035 10010
      4035 10133 4061 10132

FLASH FLOOD...RADAR INDICATED

$$

Snively

119 
WGUS73 KLBF 271042
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
542 AM CDT Thu May 27 2021

NEC063-085-271052-
/O.CAN.KLBF.FF.W.0004.000000T0000Z-210527T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Frontier NE-Hayes NE-
542 AM CDT Thu May 27 2021

...FLASH FLOOD WARNING IS CANCELLED FOR FRONTIER AND HAYES 
COUNTIES...

Any flood waters have likely receded and the heavy rain has ended. 
Flooding is no longer expected to pose a threat.

LAT...LON 4070 9999 4044 9998 4044 10010 4035 10010
      4035 10133 4061 10132

$$

Snively

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:00 PM CDT	Special Weather Statement	LBF	Garden	30 min
May 26, 7:12 PM CDT	Special Weather Statement	LBF	Deuel	33 min
May 26, 7:15 PM CDT	Special Weather Statement	LBF	Sheridan	30 min
May 26, 7:20 PM CDT	Special Weather Statement	LBF	Garden	25 min
May 26, 7:23 PM CDT	Special Weather Statement	LBF	Hayes	37 min
May 26, 7:40 PM CDT	Special Weather Statement	LBF	Sheridan	35 min
May 26, 7:43 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	47 min
May 26, 7:46 PM CDT	Special Weather Statement	LBF	Hayes	44 min
May 26, 7:57 PM CDT	Special Weather Statement	LBF	Keith	48 min
May 26, 8:03 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Hayes	42 min
May 26, 8:04 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Hayes	41 min
May 26, 8:05 PM CDT	Severe Thunderstorm Warning	LBF	Keith, Perkins	40 min
May 26, 8:28 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Perkins	32 min
May 26, 8:39 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Lincoln, McPherson	36 min
May 26, 8:42 PM CDT	Special Weather Statement	LBF	Frontier	33 min
May 26, 8:44 PM CDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln, Perkins	46 min
May 26, 8:55 PM CDT	Special Weather Statement	LBF	Chase, Hayes	65 min
May 26, 8:56 PM CDT	Flash Flood Warning	LBF	Lincoln	62 min
May 26, 9:17 PM CDT	Severe Thunderstorm Warning	LBF	Hooker, Logan, McPherson, Thomas	43 min
May 26, 9:18 PM CDT	Special Weather Statement	LBF	Frontier	27 min
May 26, 9:26 PM CDT	Special Weather Statement	LBF	Frontier	49 min
May 26, 9:30 PM CDT	Special Weather Statement	LBF	Lincoln	45 min
May 26, 10:04 PM CDT	Special Weather Statement	LBF	Frontier	56 min
May 26, 11:41 PM CDT	River Flood Advisory	LBF	Hayes	87 min
May 27, 1:08 AM CDT	River Flood Warning	LBF	Hayes	10 hr

Nearby

Flash Flood Warnings in Nebraska, 2021 Every flash flood warning in 2021

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.