Alert archive / Nebraska / Flash Flood Warnings in 2011

Flash Flood Warning 7, NWS North Platte, NE

June 19, 2011Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 19, 2011, 8:27 PM CDT for Frontier County, Hayes County, Nebraska. It was in force for 6 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 19, 2011, 8:27 PM CDT (01:27 UTC)
Expired
Jun 20, 2011, 2:30 AM CDT
In force
6 hr
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Flood severity
None

Counties Frontier County, NE, Hayes County, NE

The radar

The Grand Island radar (KUEX), 161 km from the middle of the area, began a volume at 01:29 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.

What was reported inside it

TimeReportWhereRemark
Jun 19, 10:30 PM CDTFLASH FLOOD5 Sse Hayes Center, NELITTLE BLACKWOOD CREEK OVERFLOWED AND WASHED OUT A COUNTY ROAD.
Jun 19, 10:30 PM CDTHEAVY RAIN 5.12 E Hayes Center, NESTORM TOTAL RAINFALL WAS 5.1 INCHES 2 MILES EAST OF HAYES CENTER. DELAYED REPORT.
Jun 19, 11:31 PM CDTHEAVY RAIN 4.75Hayes Center, NE
Jun 19, 11:47 PM CDTHEAVY RAIN 5.2Hayes Center, NEFIRE DEPARTMENT IN HAYES CENTER REPORTED 5.20 INCHES OF RAIN SINCE LATE AFTERNOON

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.5 hours before the alert went out and 74 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 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1727 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
1727 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1157 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
2.2
Supercell composite
17.6

Open this sounding in Storm Lab

The text

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

539 
WGUS53 KLBF 200127
FFWLBF
NEC063-085-200730-
/O.NEW.KLBF.FF.W.0007.110620T0127Z-110620T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
827 PM CDT SUN JUN 19 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN HAYES COUNTY IN SOUTHWEST NEBRASKA...
  FRONTIER COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 230 AM CDT MONDAY

* AT 826 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CURTIS...HAYES CENTER...EUSTIS...HAYES CENTER STATE WILDLIFE
  MANAGEMENT AREA...MAYWOOD...MEDICINE CREEK RESERVOIR STATE
  RECREATION AREA...MOOREFIELD...RED WILLOW RESERVOIR STATE
  RECREATION AREA AND STOCKVILLE.

* RADAR INDICATES RAINFALL TOTALS EXCEEDING TWO INCHES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS EXCEEDING TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

&&

LAT...LON 4069 10105 4070 9998 4055 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4035 10010
      4034 10101

$$

SPRINGER
3 follow-up statements
698 
WGUS73 KLBF 200248
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
948 PM CDT SUN JUN 19 2011

NEC063-085-200730-
/O.CON.KLBF.FF.W.0007.000000T0000Z-110620T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-HAYES NE-
948 PM CDT SUN JUN 19 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN HAYES AND
FRONTIER COUNTIES UNTIL 230 AM CDT...

AT 945 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
RADAR ESTIMATES EXCEEDING TWO INCHES HAVE BEEN INDICATED. ANOTHER 
STORM WITH INTENSE RAINFALL WAS MOVING INTO WESTERN HAYES COUNTY 
THAT MAY PRODUCE ADDITIONAL RAINFALL EXCEEDING TWO INCHES. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CURTIS...HAYES CENTER...EUSTIS...HAYES CENTER STATE WILDLIFE
MANAGEMENT AREA...MAYWOOD...MEDICINE CREEK RESERVOIR STATE RECREATION
AREA...MOOREFIELD...RED WILLOW RESERVOIR STATE RECREATION AREA AND
STOCKVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS EXCEEDING TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

&&

LAT...LON 4069 10105 4070 9998 4055 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4035 10010
      4034 10101

$$

SPRINGER
920 
WGUS73 KLBF 200448
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1148 PM CDT SUN JUN 19 2011

NEC063-085-200730-
/O.CON.KLBF.FF.W.0007.000000T0000Z-110620T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-HAYES NE-
1148 PM CDT SUN JUN 19 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN HAYES AND
FRONTIER COUNTIES UNTIL 230 AM CDT...

AT 1145 PM CDT...THUNDERSTORMS WITH INTENSE RAINFALL WERE INDICATED 
BY RADAR IN CENTRAL FRONTIER COUNTY AND EASTERN HAYES COUNTY. 

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CURTIS...HAYES CENTER...EUSTIS...HAYES CENTER STATE WILDLIFE
MANAGEMENT AREA...MAYWOOD...MEDICINE CREEK RESERVOIR STATE RECREATION
AREA...MOOREFIELD...RED WILLOW RESERVOIR STATE RECREATION AREA AND
STOCKVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TOTAL SO FAR OF 5.20 INCHES WAS REPORTED IN HAYES CENTER AND 
ADDITIONAL RAINFALL AMOUNTS OF MORE THAN TWO INCHES ARE POSSIBLE IN  
THE WARNED AREA.

&&

LAT...LON 4069 10105 4070 9998 4055 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4035 10010
      4034 10101

$$

SPRINGER
255 
WGUS73 KLBF 200727
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
227 AM CDT MON JUN 20 2011

NEC063-085-200741-
/O.EXP.KLBF.FF.W.0007.000000T0000Z-110620T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-HAYES NE-
227 AM CDT MON JUN 20 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EASTERN HAYES AND
FRONTIER COUNTIES WILL BE ALLOWED TO EXPIRE AT 230 AM CDT...

HEAVY RAIN HAS ENDED OVER THE AREA AND THE RISK OF EXCESSIVE RUNOFF 
FROM THE RAIN HAS DIMINISHED. IF FLOODING HAS BEEN OBSERVED... 
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4069 10105 4070 9998 4055 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4035 10010
      4034 10101

$$

SPRINGER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:00 PM CDTAreal Flood AdvisoryLBFDeuel6 hr
Jun 19, 7:03 PM CDTTornado WarningLBFHayes27 min
Jun 19, 7:16 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes44 min
Jun 19, 7:17 PM CDTFlash Flood WarningLBFCuster, Logan7 hr
Jun 19, 7:19 PM CDTSevere Thunderstorm WarningLBFChase26 min
Jun 19, 7:19 PM CDTTornado WarningLBFFrontier, Hayes41 min
Jun 19, 7:25 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins50 min
Jun 19, 7:26 PM CDTSevere Thunderstorm WarningLBFDeuel, Keith, Perkins49 min
Jun 19, 7:31 PM CDTTornado WarningLBFDeuel, Keith, Perkins29 min
Jun 19, 7:38 PM CDTSevere Thunderstorm WarningLBFHayes37 min
Jun 19, 7:47 PM CDTSevere Thunderstorm WarningLBFCuster, Logan43 min
Jun 19, 7:58 PM CDTTornado WarningLBFFrontier32 min
Jun 19, 8:00 PM CDTSevere Thunderstorm WarningLBFFrontier30 min
Jun 19, 8:00 PM CDTTornado WarningLBFDeuel, Keith, Perkins30 min
Jun 19, 8:05 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes25 min
Jun 19, 8:24 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Logan51 min
Jun 19, 8:26 PM CDTTornado WarningLBFFrontier34 min
Jun 19, 8:27 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins48 min
Jun 19, 8:28 PM CDTSevere Thunderstorm WarningLBFFrontier32 min
Jun 19, 8:31 PM CDTSevere Thunderstorm WarningLBFFrontier29 min
Jun 19, 8:34 PM CDTTornado WarningLBFChase41 min
Jun 19, 8:36 PM CDTSevere Thunderstorm WarningLBFHayes39 min
Jun 19, 8:39 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins51 min
Jun 19, 8:49 PM CDTFlash Flood WarningLBFCuster6 hr
Jun 19, 9:00 PM CDTSevere Thunderstorm WarningLBFFrontier60 min
Jun 19, 9:07 PM CDTSevere Thunderstorm WarningLBFCuster38 min
Jun 19, 9:10 PM CDTTornado WarningLBFChase50 min
Jun 19, 9:15 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes45 min
Jun 19, 9:20 PM CDTSevere Thunderstorm WarningLBFLincoln40 min
Jun 19, 9:26 PM CDTTornado WarningLBFFrontier, Hayes34 min
Jun 19, 9:31 PM CDTTornado WarningLBFLincoln29 min
Jun 19, 9:41 PM CDTSevere Thunderstorm WarningLBFCuster37 min
Jun 19, 9:41 PM CDTSevere Thunderstorm WarningLBFChase, Hayes34 min
Jun 19, 9:52 PM CDTFlash Flood WarningLBFChase, Hayes5 hr
Jun 19, 9:55 PM CDTSevere Thunderstorm WarningLBFChase50 min
Jun 19, 9:58 PM CDTTornado WarningLBFLincoln32 min
Jun 19, 10:11 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes49 min
Jun 19, 10:13 PM CDTSevere Thunderstorm WarningLBFCuster, Loup24 min
Jun 19, 10:16 PM CDTFlash Flood WarningLBFCuster4 hr
Jun 19, 10:26 PM CDTSevere Thunderstorm WarningLBFLincoln49 min
Jun 19, 10:39 PM CDTSevere Thunderstorm WarningLBFChase, Hayes51 min
Jun 19, 10:58 PM CDTSevere Thunderstorm WarningLBFFrontier, Lincoln47 min
Jun 19, 11:11 PM CDTSevere Thunderstorm WarningLBFLincoln49 min
Jun 19, 11:24 PM CDTSevere Thunderstorm WarningLBFCuster51 min
Jun 19, 11:26 PM CDTSevere Thunderstorm WarningLBFFrontier, Hayes49 min
Jun 19, 11:42 PM CDTSevere Thunderstorm WarningLBFFrontier, Lincoln48 min
Jun 20, 12:13 AM CDTSevere Thunderstorm WarningLBFCuster47 min
Jun 20, 12:15 AM CDTSevere Thunderstorm WarningLBFFrontier45 min
Jun 20, 12:23 AM CDTSevere Thunderstorm WarningLBFFrontier37 min
Jun 20, 12:48 AM CDTSevere Thunderstorm WarningLBFChase42 min
Jun 20, 12:57 AM CDTSevere Thunderstorm WarningLBFFrontier24 min
Jun 20, 1:26 AM CDTSevere Thunderstorm WarningLBFCuster49 min
Jun 20, 1:27 AM CDTSevere Thunderstorm WarningLBFChase, Hayes48 min
Jun 20, 2:37 AM CDTAreal Flood AdvisoryLBFChase, Frontier, Hayes6 hr
Jun 20, 2:47 AM CDTAreal Flood AdvisoryLBFCuster, Lincoln, Logan6 hr
Jun 20, 3:55 AM CDTFlash Flood WatchLBFArthur, Boyd, Brown, Chase, Cherry, Deuel and 15 more24 hr
Jun 20, 8:34 AM CDTAreal Flood AdvisoryLBFCuster, Lincoln, Logan8 hr
Jun 20, 8:40 AM CDTAreal Flood AdvisoryLBFChase, Frontier, Hayes8 hr
Jun 20, 2:43 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins47 min
Jun 20, 3:12 PM CDTAreal Flood AdvisoryLBFKeith, Lincoln, Perkins6 hr
Jun 20, 3:46 PM CDTSevere Thunderstorm WarningLBFKeith, Lincoln44 min
Jun 20, 4:01 PM CDTAreal Flood AdvisoryLBFKeith, Lincoln6 hr
Jun 20, 4:07 PM CDTFlash Flood WarningLBFKeith, Lincoln4 hr
Jun 20, 4:12 PM CDTAreal Flood AdvisoryLBFChase, Hayes6 hr
Jun 20, 4:36 PM CDTAreal Flood AdvisoryLBFLincoln102 min
Jun 20, 5:00 PM CDTAreal Flood AdvisoryLBFChase, Hayes, Lincoln, Perkins6 hr
Jun 20, 6:15 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler21 min

Nearby

Flash Flood Warnings in Nebraska, 2011Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.