Alert archive / Nebraska / Flash Flood Warnings in 2007

Flash Flood Warning 40, NWS North Platte, NE

June 13, 2007Holt County, Wheeler County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 13, 2007, 3:56 AM CDT for Holt County, Wheeler County, Nebraska. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 13, 2007, 3:56 AM CDT (08:56 UTC)
Expired: Jun 13, 2007, 7:00 AM CDT
In force: 3 hr
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Holt County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 08:59 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, 8.9 hours before the alert went out and 200 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: 51 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLBF 130857
FFWLBF
NEC089-183-131200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
356 AM CDT WED JUN 13 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN HOLT COUNTY IN NORTH CENTRAL NEBRASKA...
  THIS INCLUDES THE CITY OF ONEILL...
  WHEELER COUNTY IN NORTH CENTRAL NEBRASKA...

* UNTIL 700 AM CDT

* AT 351 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS PRODUCING VERY 
  RAINFALL MOVING NORTH AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO REDBIRD
  STATE WILDLIFE MANANGEMENT AREA...GOOSE LAKE STATE WILDLIFE
  MANAGEMENT AREA...KNIEVELS CORNER...MIDWAY...FOUR CORNERS...PAGE...
  INMAN AND EWING

RAINFALL AMOUNTS OF 2 TO 3 INCHES IS LIKELY IN THE WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 4179 9873 4180 9831 4276 9832 4276 9840
      4275 9852 4278 9865 4280 9876

$$

CDC

3 follow-up statements

000 
WGUS73 KLBF 130903
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
402 AM CDT WED JUN 13 2007

NEC089-183-131200-
WHEELER NE-HOLT NE-
402 AM CDT WED JUN 13 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
EASTERN HOLT AND WHEELER COUNTIES...

AT 355 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED     
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY 
RAINFALL MOVING NORTH AT 30 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO REDBIRD   
STATE WILDLIFE MANANGEMENT AREA...GOOSE LAKE STATE WILDLIFE   
MANAGEMENT AREA...KNIEVELS CORNER...MIDWAY...FOUR CORNERS...PAGE...  
INMAN AND EWING.

RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE LIKELY IN THE WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 4179 9873 4180 9831 4276 9832 4276 9840
      4275 9852 4278 9865 4280 9876

$$

CDC

000 
WGUS73 KLBF 131034
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
531 AM CDT WED JUN 13 2007

NEC089-183-131200-
WHEELER NE-HOLT NE-
531 AM CDT WED JUN 13 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
EASTERN HOLT AND WHEELER COUNTIES...

AT 526 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
THUNDERSTORMS HAVE EXITED THE WARNED AREA. 1 TO PERHAPS 3 INCHES OF 
RAINFALL IS ESTIMATED TO HAVE FALLEN IN THE WARNED AREA. THE FLASH 
FLOOD WARNING CONTINUES UNTIL 7 AM CDT TO ALERT MOTORISTS OF THE 
POTENTIAL ROAD HAZARDS WHICH MAY EXIST EARLY THIS MORNING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIDWAY

ADDITIONAL RAINFALL AMOUNTS OF 1/4 TO 1/2 INCH ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 4179 9873 4180 9831 4276 9832 4276 9840
      4275 9852 4278 9865 4280 9876

$$

CDC

000 
WGUS73 KLBF 131152
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
651 AM CDT WED JUN 13 2007

NEC089-183-131201-
WHEELER NE-HOLT NE-
651 AM CDT WED JUN 13 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 AM CDT(600 AM MDT) FOR
EASTERN HOLT AND WHEELER COUNTIES...

THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EXITED HOLT AND 
WHEELER COUNTIES. ADDITIONAL THUNDERSTORMS ARE DEVELOPING FARTHER 
SOUTH AND COULD POSE A FLOOD THREAT THIS MORNING AS THEY MOVE 
NORTHWARD.

LAT...LON 4179 9873 4180 9831 4276 9832 4276 9840
      4275 9852 4278 9865 4280 9876

$$

CDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 1:16 AM CDT	Flash Flood Warning	LBF	Perkins	89 min
Jun 13, 1:37 AM CDT	Flash Flood Warning	LBF	Keith	83 min
Jun 13, 3:00 AM CDT	Flash Flood Warning	LBF	Keith	60 min
Jun 13, 7:55 AM CDT	Flash Flood Warning	LBF	Chase, Keith, Perkins	2 hr
Jun 13, 9:40 AM CDT	Flash Flood Warning	LBF	Chase, Keith, Lincoln, Perkins	6 hr
Jun 13, 3:40 PM CDT	Flash Flood Warning	LBF	Chase	6 hr

Nearby

Flash Flood Warnings in Nebraska, 2007 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.