Alert archive / Nebraska / Flash Flood Warnings in 2008

Flash Flood Warning 13, NWS North Platte, NE

June 5, 2008Frontier County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 5, 2008, 12:27 AM CDT for Frontier 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: Jun 5, 2008, 12:27 AM CDT (05:27 UTC)
Expired: Jun 5, 2008, 4:30 AM CDT
In force: 4 hr
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Flood severity: None

County Frontier County, NE

The radar

The Grand Island radar (KUEX), 150 km from the middle of the area, began a volume at 05:28 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, 5.5 hours before the alert went out and 82 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: 1552 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 968 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KLBF 050530
FFWLBF
NEC063-050930-
/O.NEW.KLBF.FF.W.0013.080605T0527Z-080605T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1227 AM CDT THU JUN 5 2008

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FRONTIER COUNTY IN SOUTHWEST NEBRASKA...
  THIS INCLUDES THE CITY OF CURTIS...

* UNTIL 430 AM CDT

* AT 1218 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EUSTIS

ADDITIONAL RAINFALL AMOUNTS AROUND 1 INCH ARE POSSIBLE IN THE WARNED 
AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL EARLIER THIS EVENING AND THE 
POTENTIAL FOR ADDITIONAL HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

LAT...LON 4069 10063 4068 9997 4044 9997 4044 9999
      4043 10007 4036 10007 4034 10009 4034 10015
      4033 10016 4033 10045
TIME...MOT...LOC 0527Z 180DEG 0KT 4054 10026

$$

KAR

2 follow-up statements

000 
WGUS73 KLBF 050727
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
217 AM CDT THU JUN 5 2008

NEC063-050930-
/O.CON.KLBF.FF.W.0013.000000T0000Z-080605T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-
217 AM CDT THU JUN 5 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT FOR
FRONTIER COUNTY...

NORTHERN PORTIONS OF FRONTIER COUNTY RECEIVED 2 TO 4 INCHES OF 
RAINFALL EARLIER THIS EVENING. RUNOFF FROM THIS RAIN...WILL CONTINUE 
TO PRODUCE FLOODING OF COUNTY ROADS...DRY CANYONS...CREEKS AND STREAMS...AS 
WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EUSTIS AND
CURTIS

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. MOVE TO HIGHER GROUND.

LAT...LON 4069 10063 4068 9997 4044 9997 4044 9999
      4043 10007 4036 10007 4034 10009 4034 10015
      4033 10016 4033 10045
TIME...MOT...LOC 0717Z 180DEG 0KT 4054 10026

$$

BUTTLER

000 
WGUS73 KLBF 050934
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
429 AM CDT THU JUN 5 2008

NEC063-050939-
/O.EXP.KLBF.FF.W.0013.000000T0000Z-080605T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-
429 AM CDT THU JUN 5 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 430 AM CDT FOR FRONTIER 
COUNTY...

RUNOFF FROM HEAVY RAINFALL LAST NIGHT...HAS DIMINISHED ACROSS 
NORTHERN FRONTIER COUNTY...SO FLASH FLOODING IS NO LONGER A THREAT. 

HOWEVER...SEVERE THUNDERSTORMS WITH HEAVY RAIN ARE LIKELY THIS 
AFTERNOON AND EVENING ACROSS FRONTIER COUNTY...SO THE POTENTIAL FOR 
ADDITIONAL FLASH FLOODING REMAINS HIGH. A FLASH FLOOD WATCH REMAINS 
IN EFFECT UNTIL 7 AM CDT FRIDAY MORNING. 

IF FLASH FLOODING WAS OBSERVED...CONTACT LOCAL LAW ENFORCEMENT AND 
HAVE THEM PASS THE REPORT TO THE NATIONAL WEATHER SERVICE IN NORTH 
PLATTE. 

LAT...LON 4069 10063 4068 9997 4044 9997 4044 9999
      4043 10007 4036 10007 4034 10009 4034 10015
      4033 10016 4033 10045
TIME...MOT...LOC 0929Z 180DEG 0KT 4054 10026

$$

BUTTLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 7:20 PM CDT	Tornado Warning	LBF	Hayes, Lincoln	25 min
Jun 4, 7:24 PM CDT	Flash Flood Warning	LBF	Hayes	2 hr
Jun 4, 7:33 PM CDT	Severe Thunderstorm Warning	LBF	Chase	57 min
Jun 4, 7:44 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Cherry, Garden, Grant, Sheridan	61 min
Jun 4, 7:45 PM CDT	Tornado Warning	LBF	Hayes, Lincoln	30 min
Jun 4, 8:00 PM CDT	Tornado Warning	LBF	Frontier, Hayes	30 min
Jun 4, 8:24 PM CDT	Tornado Warning	LBF	Frontier	36 min
Jun 4, 8:28 PM CDT	Tornado Warning	LBF	Chase, Hayes	32 min
Jun 4, 8:46 PM CDT	Tornado Warning	LBF	Frontier, Lincoln	44 min
Jun 4, 8:58 PM CDT	Flash Flood Warning	LBF	Hayes	2 hr
Jun 4, 9:01 PM CDT	Tornado Warning	LBF	Hayes	29 min
Jun 4, 9:29 PM CDT	Tornado Warning	LBF	Frontier, Hayes, Lincoln	61 min
Jun 4, 9:35 PM CDT	Flash Flood Warning	LBF	Frontier, Hayes, Lincoln	3 hr
Jun 4, 10:30 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Lincoln	45 min
Jun 5, 1:27 AM CDT	Severe Thunderstorm Warning	LBF	Custer	38 min
Jun 5, 6:20 AM CDT	Severe Thunderstorm Warning	LBF	Chase	55 min
Jun 5, 6:51 AM CDT	Flash Flood Warning	LBF	Chase	3 hr
Jun 5, 6:59 AM CDT	Tornado Warning	LBF	Chase, Hayes	46 min
Jun 5, 7:35 AM CDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Keith, Lincoln, Perkins	55 min
Jun 5, 8:14 AM CDT	Flash Flood Warning	LBF	Perkins	4 hr
Jun 5, 8:24 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	66 min
Jun 5, 9:17 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln, McPherson	43 min
Jun 5, 9:35 AM CDT	Flash Flood Warning	LBF	Keith, Lincoln	3 hr
Jun 5, 9:35 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha, Rock	40 min
Jun 5, 9:56 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Hooker, Logan, McPherson, Thomas	49 min
Jun 5, 10:31 AM CDT	Flash Flood Warning	LBF	Boyd, Holt	6 hr
Jun 5, 10:46 AM CDT	Areal Flood Advisory	LBF	Thomas	6 hr
Jun 5, 10:49 AM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	26 min
Jun 5, 12:14 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha, Rock	61 min
Jun 5, 1:34 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Lincoln	23 min
Jun 5, 1:39 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Logan, Thomas	51 min
Jun 5, 1:48 PM CDT	Tornado Warning	LBF	Frontier, Hayes, Lincoln	27 min
Jun 5, 2:14 PM CDT	Tornado Warning	LBF	Frontier, Hayes, Lincoln	31 min
Jun 5, 2:29 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown	46 min
Jun 5, 2:38 PM CDT	Tornado Warning	LBF	Lincoln	37 min
Jun 5, 3:03 PM CDT	Tornado Warning	LBF	Lincoln	17 min
Jun 5, 3:06 PM CDT	Tornado Warning	LBF	Brown, Rock	39 min
Jun 5, 3:18 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan	19 min
Jun 5, 3:39 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Garfield, Loup	36 min
Jun 5, 3:44 PM CDT	Tornado Warning	LBF	Holt, Rock	46 min
Jun 5, 4:13 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	47 min
Jun 5, 4:17 PM CDT	Tornado Warning	LBF	Boyd, Holt, Keya Paha, Rock	28 min
Jun 5, 4:31 PM CDT	Tornado Warning	LBF	Holt	44 min
Jun 5, 4:49 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	41 min
Jun 5, 5:03 PM CDT	Flash Flood Warning	LBF	Boyd, Garfield, Holt, Wheeler	3 hr
Jun 5, 5:08 PM CDT	Flash Flood Warning	LBF	Chase, Hayes, Lincoln, Perkins	3 hr
Jun 5, 5:15 PM CDT	Severe Thunderstorm Warning	LBF	Holt	45 min
Jun 5, 5:29 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	46 min
Jun 5, 6:16 PM CDT	Severe Thunderstorm Warning	LBF	Holt	29 min

Nearby

Flash Flood Warnings in Nebraska, 2008 Every flash flood warning in 2008

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.