Alert archive / Nebraska / Flash Flood Warnings in 2018

Flash Flood Warning 3, NWS North Platte, NE

May 28, 2018Hayes County, Nebraska

NWS North Platte, NE issued this flash flood warning at May 28, 2018, 10:13 AM CDT for Hayes County, Nebraska. It was in force for 4 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 28, 2018, 10:13 AM CDT (15:13 UTC)
Expired: May 28, 2018, 2:06 PM CDT
In force: 4 hr
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Flood severity: None

County Hayes County, NE

The radar

The Goodland radar (KGLD), 148 km from the middle of the area, began a volume at 15:13 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 12:00Z, 3.2 hours before the alert went out and 69 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: 245 J/kg
Mixed-layer CIN: -336 J/kg
Mixed-layer LCL: 545 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 459 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

049 
WGUS53 KLBF 281513
FFWLBF
NEC085-282115-
/O.NEW.KLBF.FF.W.0003.180528T1513Z-180528T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service North Platte NE
1013 AM CDT MON MAY 28 2018

The National Weather Service in North Platte has issued a

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

* Until 415 PM CDT Monday.

* At 1010 AM CDT, emergency management reported flooding in the 
  warned area. In addition to the heavy rain Sunday evening, radar 
  estimates up to two inches of rain have fallen this morning. Flash 
  flooding is already occurring along Red Willow Creek.

* Some locations that may experience flooding include...
  Hayes Center, Marengo and Hayes Center State Wildlife Management
  Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4067 10085 4048 10082 4040 10117 4066 10121

$$

Snively

2 follow-up statements

719 
WGUS73 KLBF 281816
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
116 PM CDT MON MAY 28 2018

NEC085-282115-
/O.CON.KLBF.FF.W.0003.000000T0000Z-180528T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hayes NE-
116 PM CDT MON MAY 28 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
CENTRAL HAYES COUNTY...

At 114 PM CDT, emergency management reported water over roadways 
near Hayes Center and Red Willow Creek over its banks.

Some locations that may experience flooding include...
Hayes Center, Marengo and Hayes Center State Wildlife Management
Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4067 10085 4048 10082 4040 10117 4066 10121

$$

Snively

227 
WGUS73 KLBF 281906
FFSLBF

Flash Flood Statement
National Weather Service North Platte NE
206 PM CDT MON MAY 28 2018

NEC085-281915-
/O.CAN.KLBF.FF.W.0003.000000T0000Z-180528T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hayes NE-
206 PM CDT MON MAY 28 2018

...THE FLASH FLOOD WARNING FOR CENTRAL HAYES COUNTY IS CANCELLED...

The heavy rain from this morning has ended and flooding is no longer 
expected to pose a threat this afternoon. Please continue to heed 
any remaining road closures. A Flash Flood Watch is in effect for 
Hayes County from this evening through Tuesday morning due to 
expected additional rainfall.

LAT...LON 4067 10085 4048 10082 4040 10117 4066 10121

$$

Snively

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:01 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	29 min
May 27, 7:07 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Deuel, Keith, Perkins	38 min
May 27, 7:15 PM CDT	Special Weather Statement	LBF	Cherry	30 min
May 27, 7:26 PM CDT	Special Weather Statement	LBF	Sheridan	49 min
May 27, 7:29 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Deuel, Garden, Keith, Perkins	46 min
May 27, 7:46 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Perkins	44 min
May 27, 8:06 PM CDT	Severe Thunderstorm Warning	LBF	Garden	24 min
May 27, 8:12 PM CDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln, Perkins	48 min
May 27, 8:43 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Keith, Lincoln, Logan, McPherson	47 min
May 27, 8:58 PM CDT	Special Weather Statement	LBF	Lincoln	47 min
May 27, 9:12 PM CDT	Severe Thunderstorm Warning	LBF	Hooker, Logan, McPherson, Thomas	35 min
May 27, 9:43 PM CDT	Special Weather Statement	LBF	Cherry	47 min
May 28, 3:03 AM CDT	Special Weather Statement	LBF	Logan	42 min
May 28, 9:02 AM CDT	Flash Flood Warning	LBF	Keith, Lincoln, Perkins	4 hr
May 28, 9:14 AM CDT	Areal Flood Advisory	LBF	Hayes, Lincoln	3 hr
May 28, 9:41 AM CDT	Special Weather Statement	LBF	Thomas	49 min
May 28, 12:17 PM CDT	Flash Flood Watch	LBF	Chase, Deuel, Frontier, Garden, Hayes, Keith and 2 more	19 hr

Nearby

Flash Flood Warnings in Nebraska, 2018 Every flash flood warning in 2018

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.