Alert archive / Nebraska / Flash Flood Warnings in 2007

Flash Flood Warning 18, NWS North Platte, NE

May 29, 2007Chase County, Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this flash flood warning at May 29, 2007, 3:41 PM MDT for Chase County, Frontier County, Hayes County, Nebraska. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 29, 2007, 3:41 PM MDT (21:41 UTC)
Expired
May 29, 2007, 9:45 PM MDT
In force
6 hr
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Chase County, NE, Frontier County, NE, Hayes County, NE

The radar

The Goodland radar (KGLD), 140 km from the middle of the area, began a volume at 21:42 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
May 29, 6:36 PM MDTFLASH FLOOD3 W Curtis, NEWATER OVER HIGHWAY 23 BETWEEN MAYWOOD AND CURTIS

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 12:00Z, 9.7 hours before the alert went out and 77 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 12:00Z on 2007-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 740 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2007-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.193958Sfc1 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
740 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLBF 292142
FFWLBF
NEC029-063-085-300345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
441 PM CDT TUE MAY 29 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

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

* UNTIL 1045 PM CDT(945 PM MDT)

* AT 436 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  POSSIBLE FLASH FLOODING FROM A THUNDERSTORM NEAR HAYES CENTER      
  STATE WILDLIFE MANAGEMENT AREA...OR ABOUT 7 MILES NORTHEAST OF     
  HAYES CENTER...  MOVING NORTH AT 20 MPH. IN ADDITION...A LARGE     
  AREA OF THUNDERSTORMS...CAPABLE OF PRODUCING VERY HEAVY RAIN...IS  
  LIKELY TO DEVELOP ACROSS THE AREA THROUGH THE EVENING HOURS.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  STOCKVILLE...MAYWOOD AND MOOREFIELD

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN NORTH
PLATTE.

LAT...LON 4035 10162 4035 10008 4068 10008 4069 10165

$$

JWS
3 follow-up statements
000 
WGUS73 KLBF 292251
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
549 PM CDT TUE MAY 29 2007

NEC029-063-085-300345-
HAYES NE-CHASE NE-FRONTIER NE-
549 PM CDT TUE MAY 29 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT(945 PM
MDT) FOR FRONTIER...EASTERN CHASE AND HAYES COUNTIES...

AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN.  THIS STORM WAS 
LOCATED 10 MILES SOUTH OF HAYES CENTER...MOVING NORTHEAST AT 15 MPH. 
IN ADDITION...A BROAD AREAS OF THUNDERSTORMS WERE DEVELOPING FROM 
EASTERN CHASE...ACROSS ALL OF HAYES COUNTY...AND INTO WESTERN 
FRONTIER COUNTY. ALL OF THESE STORMS WILL HAVE THE POTENTIAL TO 
PRODUCE VERY HEAVY RAINFALL...AND FLASH FLOODING IS IMMANENT.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RED
WILLOW RESERVOIR STATE RECREATION AREA...HAYES CENTER STATE WILDLIFE
MANAGEMENT AREA...MEDICINE CREEK RESERVOIR STATE RECREATION AREA...
MAYWOOD...STOCKVILLE AND CURTIS

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN NORTH
PLATTE.

LAT...LON 4035 10162 4035 10008 4068 10008 4069 10165

$$

JWS
000 
WGUS73 KLBF 292356
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
656 PM CDT TUE MAY 29 2007

NEC029-063-085-300345-
HAYES NE-CHASE NE-FRONTIER NE-
656 PM CDT TUE MAY 29 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT(945 PM
MDT) FOR FRONTIER...EASTERN CHASE AND HAYES COUNTIES...

AT 654 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHEAST OF CURTIS TO
10 MILES EAST OF HAMLET...OR ALONG A LINE EXTENDING FROM 10 MILES
NORTHEAST OF CURTIS TO 11 MILES NORTH OF TRENTON...MOVING NORTHEAST
AT 20 MPH.

THUNDERSTORMS PRODUCING VERY HEAVY RAIN WILL BE NEAR...
  MAYWOOD...8 MILES SOUTHEAST OF HAYES CENTER AND 9 MILES SOUTHEAST
  OF HAYES CENTER STATE WILDLIFE MANAGEMENT AREA BY 655 PM CDT...
  CURTIS BY 715 PM CDT...
  RED WILLOW RESERVOIR STATE RECREATION AREA BY 725 PM CDT...
  STOCKVILLE BY 755 PM CDT...
  MEDICINE CREEK RESERVOIR STATE RECREATION AREA BY 800 PM CDT...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN NORTH
PLATTE.

LAT...LON 4035 10162 4035 10008 4068 10008 4069 10165

$$

JWS
000 
WGUS73 KLBF 300054
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
751 PM CDT TUE MAY 29 2007

NEC029-063-085-300345-
HAYES NE-CHASE NE-FRONTIER NE-
751 PM CDT TUE MAY 29 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT(945 PM
MDT) FOR FRONTIER...EASTERN CHASE AND HAYES COUNTIES...

AT 746 PM CDT...THE PUBLIC REPORTED THUNDERSTORMS PRODUCING VERY 
HEAVY RAIN. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 
MILES NORTHEAST OF CURTIS TO 11 MILES SOUTH OF HAYES CENTER. THE 
THUNDERSTORMS WITH EXCESSIVE RAIN WERE NEARLY STATIONARY. FLOODING 
IS OCCURRING ALONG BLACKWOOD CREEK IN SOUTHEAST HAYES COUNTY...AND 
ALONG MEDICINE CREEK NEAR CURTIS AND MAYWOOD IN FRONTIER COUNTY.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAYES 
CENTER STATE WILDLIFE MANAGEMENT AREA AND MAYWOOD.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 4035 10162 4035 10008 4068 10008 4069 10165

$$

JWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 6:17 PM MDTSevere Thunderstorm WarningLBFHayes43 min
May 28, 6:38 PM MDTFlash Flood WarningLBFHayes4 hr
May 28, 6:45 PM MDTSevere Thunderstorm WarningLBFHayes45 min
May 28, 6:59 PM MDTFlash Flood WarningLBFFrontier, Lincoln4 hr
May 28, 7:26 PM MDTTornado WarningLBFHayes49 min
May 28, 7:41 PM MDTTornado WarningLBFHayes49 min
May 28, 9:24 PM MDTSevere Thunderstorm WarningLBFHayes55 min
May 28, 10:41 PM MDTFlash Flood WarningLBFFrontier, Hayes, Lincoln6 hr
May 29, 2:15 AM MDTFlash Flood WatchLBFBoyd, Chase, Custer, Frontier, Garfield, Hayes and 5 more32 hr
May 29, 11:40 AM MDTTornado WarningLBFLincoln35 min
May 29, 12:17 PM MDTFlash Flood WarningLBFLincoln88 min
May 29, 12:50 PM MDTSevere Thunderstorm WarningLBFPerkins40 min
May 29, 1:36 PM MDTFlash Flood WarningLBFCuster, Lincoln, Logan114 min
May 29, 3:26 PM MDTFlash Flood WarningLBFLincoln3 hr
May 29, 3:29 PM MDTFlash Flood WarningLBFLoup6 hr
May 29, 3:31 PM MDTTornado WarningLBFLincoln29 min
May 29, 3:35 PM MDTFlash Flood WarningLBFCuster6 hr
May 29, 4:33 PM MDTSevere Thunderstorm WarningLBFHayes27 min
May 29, 4:37 PM MDTSevere Thunderstorm WarningLBFLincoln23 min
May 29, 5:01 PM MDTSevere Thunderstorm WarningLBFHayes29 min
May 29, 5:31 PM MDTSevere Thunderstorm WarningLBFHayes29 min
May 29, 5:39 PM MDTSevere Thunderstorm WarningLBFFrontier36 min
May 29, 5:48 PM MDTSevere Thunderstorm WarningLBFLincoln27 min

Nearby

Flash Flood Warnings in Nebraska, 2007Every flash flood warning in 2007

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.