Alert archive / Nebraska / Flash Flood Warnings in 2007

Flash Flood Warning 22, NWS North Platte, NE

May 29, 2007Frontier County, Hayes County, Nebraska

NWS North Platte, NE issued this flash flood warning at May 29, 2007, 10:34 PM CDT for Frontier County, Hayes County, Nebraska. It was in force for 6 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: May 29, 2007, 10:34 PM CDT (03:34 UTC)
Expired: May 30, 2007, 4:30 AM CDT
In force: 6 hr
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Frontier County, NE, Hayes County, NE

The radar

The Goodland radar (KGLD), 153 km from the middle of the area, began a volume at 03:37 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

Denver, CO (KDNR), launched 00:00Z, 3.6 hours before the alert went out and 225 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 715 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: -151 m²/s²
0-3 km storm-relative helicity: -44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLBF 300336
FFWLBF
NEC063-085-300930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1034 PM CDT TUE MAY 29 2007

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...
  HAYES COUNTY IN SOUTHWEST NEBRASKA...
  THIS INCLUDES THE CITY OF HAYES CENTER...

* UNTIL 430 AM CDT

* AT 1023 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED THAT ALTHOUGH VERY HEAVY RAIN HAD DIMINISHED TO MODERATE 
  TO LOCALLY HEAVY AT TIMES...A CONTINUED HIGH THREAT FOR            
  FLASH FLOODING REMAINS. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HAYES
  CENTER STATE WILDLIFE MANAGEMENT AREA...STOCKVILLE...MOOREFIELD 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.

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 10132 4035 10009 4069 10008 4069 10130

$$

KAR

2 follow-up statements

000 
WGUS73 KLBF 300743
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
242 AM CDT WED MAY 30 2007

NEC063-085-300930-
HAYES NE-FRONTIER NE-
242 AM CDT WED MAY 30 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT FOR
FRONTIER AND HAYES COUNTIES...

AT 238 AM CDT...THE STORMS THAT PROMPTED THE WARNING HAD MOVED OUT 
OF HAYES AND FRONTIER COUNTIES. ONLY ISOLATED THUNDERSHOWERS ARE 
EXPECTED NOW. HOWEVER...THE DRAINAGE FROM THE STORMS THAT WERE IN 
THE AREA WILL PROBABLY CONTINUE UNTIL AT LEAST 430 AM CDT.

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

LAT...LON 4035 10132 4035 10009 4069 10008 4069 10130

$$

SPRINGER

000 
WGUS73 KLBF 300935
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
432 AM CDT WED MAY 30 2007

NEC063-085-300942-
HAYES NE-FRONTIER NE-
432 AM CDT WED MAY 30 2007

...THE FLASH FLOOD WARNING HAS EXPIRED FOR FRONTIER AND HAYES
COUNTIES...

ADDITIONAL MODERATE RAINFALL IS POSSIBLE FOR THE NEXT THREE HOURS 
AND DRAINAGE MAY STILL BE CONTINUING FROM THE OVERNIGHT HEAVY RAIN. 
BOTH THE FRENCHMAN AND STINKING WATER CREEKS APPEAR TO HAVE CRESTED 
AND ARE LIKELY TO FALL SLOWLY. THE FRENCHMAN CREEK BELOW ENDERS DAM 
IS ABOUT A FOOT AND A HALF ABOVE ITS FLOOD STAGE OF SEVEN FEET.

LAT...LON 4035 10132 4035 10009 4069 10008 4069 10130

$$

SPRINGER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:28 PM CDT	Flash Flood Warning	LBF	Lincoln	4 hr
May 29, 8:24 PM CDT	Flash Flood Warning	LBF	Garfield, Wheeler	6 hr
May 29, 10:26 PM CDT	Flash Flood Warning	LBF	Custer	6 hr
May 29, 11:20 PM CDT	Flash Flood Warning	LBF	Lincoln	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.