Alert archive / Nebraska / Flash Flood Warnings in 2004

Flash Flood Warning 21, NWS Hastings, NE

July 8, 2004Greeley County, Howard County, Sherman County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jul 8, 2004, 11:58 PM CDT for Greeley County, Howard County, Sherman 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 outline as issued.

The facts

Issued
Jul 8, 2004, 11:58 PM CDT (04:58 UTC)
Expired
Jul 9, 2004, 6:00 AM CDT
In force
6 hr
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

Counties Greeley County, NE, Howard County, NE, Sherman County, NE

The radar

The Grand Island radar (KUEX), 127 km from the middle of the area, began a volume at 04:59 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, 5.0 hours before the alert went out and 169 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 2004-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1868 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 00:00Z on 2004-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
1868 J/kg
Mixed-layer CIN
-201 J/kg
Mixed-layer LCL
1853 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
188 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 KGID 090459
FFWGID
NEC077-093-163-091100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1158 PM CDT THU JUL 8 2004

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GREELEY COUNTY IN CENTRAL NEBRASKA
  HOWARD COUNTY IN CENTRAL NEBRASKA
  SHERMAN COUNTY IN CENTRAL NEBRASKA

* UNTIL 600 AM CDT

* AT 1154 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 14
  MILES NORTHEAST OF WOLBACH TO COTESFIELD TO 5 MILES NORTHWEST OF
  ROCKVILLE TO 5 MILES EAST OF HAZARD...OR ALONG A LINE EXTENDING
  FROM 46 MILES NORTH OF GRAND ISLAND TO 34 MILES NORTHWEST OF GRAND
  ISLAND TO 32 MILES NORTHWEST OF GRAND ISLAND TO 28 MILES NORTH OF
  KEARNEY...MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...FARWELL...DANNEBROG...ELBA...ST. PAUL
  AND CUSHING.

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.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4169 9868 4134 9870 4108 9916 4109 9838
      4156 9832 4171 9840

$$

FAY
2 follow-up statements
000 
WGUS73 KGID 090558
FFSGID
NEC077-093-163-091100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1254 AM CDT FRI JUL 9 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 600 AM CDT FOR PEOPLE IN THE
FOLLOWING COUNTIES...

IN CENTRAL NEBRASKA
     GREELEY...SHERMAN AND HOWARD

AT 1251 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY
HEAVY RAIN FROM 4 MILES NORTHEAST OF WOLBACH TO ST. LIBORY...OR FROM
36 MILES NORTH OF GRAND ISLAND TO 10 MILES NORTH OF GRAND ISLAND....
MOVING EAST AT 25 MPH.

AT 1247 AM...LAW ENFORCEMENT REPORTED WATER OVER THE ROAD ON HIGHWAY 
281 ON THE GREELEY AND HOWARD COUNTY LINE.  WATER WAS ALSO REPORTED 
OVER THE ROAD NEAR ELBA.

EXCESSIVE RUNOFF FROM THE THUNDERSTORMS WILL CAUSE FLASH FLOODING OF 
SMALL CREEKS AND STREAMS...ROADS AND UNDERPASSES.  RISES ALONG THE 
MUD CREEK...DEER CREEK...OAK CREEK...CEDAR RIVER...SPRING CREEK AND 
COTTONWOOD CREEK CAN BE EXPECTED.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
MOVE TO HIGHER GROUND IMMEDIATELY

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

LAT...LON 4171 9874 4137 9872 4137 9918 4107 9918
      4105 9831 4172 9834
&
$$

FAY
000 
WGUS73 KGID 091026
FFSGID
NEC077-093-163-091530-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
524 AM CDT FRI JUL 9 2004

...FLASH FLOOD WARNING FOR GREELEY...HOWARD...AND SHERMAN COUNTIES 
HAS BEEN CANCELED...

HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA...AND WATER HAS 
RECEDED FROM ROADWAYS.   SOME MINOR FLOODING MAY CONTINUE FROM THE 
RUNOFF...HOWEVER THE THREAT OF SERIOUS FLOODING HAS ENDED.

LAT...LON 4105 9829 4105 9829 4105 9920 4138 9919
      4138 9893 4140 9874 4173 9874 4174 9828
$$

FAY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 10:00 PM CDTSevere Thunderstorm WarningGIDDawson60 min
Jul 8, 10:29 PM CDTTornado WarningGIDDawson46 min
Jul 8, 10:33 PM CDTSevere Thunderstorm WarningGIDGosper57 min
Jul 8, 10:38 PM CDTSevere Thunderstorm WarningGIDSherman67 min
Jul 8, 10:47 PM CDTSevere Thunderstorm WarningGIDPhelps58 min
Jul 8, 10:55 PM CDTSevere Thunderstorm WarningGIDFurnas65 min
Jul 8, 10:59 PM CDTTornado WarningGIDBuffalo46 min
Jul 8, 11:28 PM CDTSevere Thunderstorm WarningGIDHarlan62 min
Jul 8, 11:30 PM CDTSevere Thunderstorm WarningGIDKearney45 min
Jul 8, 11:33 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman57 min
Jul 8, 11:40 PM CDTSevere Thunderstorm WarningGIDBuffalo65 min
Jul 8, 11:47 PM CDTSevere Thunderstorm WarningGIDAdams, Hall58 min
Jul 8, 11:56 PM CDTSevere Thunderstorm WarningGIDFranklin64 min
Jul 8, 11:58 PM CDTSevere Thunderstorm WarningGIDWebster62 min
Jul 9, 12:00 AM CDTSevere Thunderstorm WarningGIDNance60 min
Jul 9, 12:22 AM CDTSevere Thunderstorm WarningGIDClay53 min
Jul 9, 12:23 AM CDTSevere Thunderstorm WarningGIDGreeley, Howard37 min
Jul 9, 12:28 AM CDTSevere Thunderstorm WarningGIDNuckolls62 min
Jul 9, 12:33 AM CDTSevere Thunderstorm WarningGIDHamilton, Merrick57 min
Jul 9, 12:54 AM CDTSevere Thunderstorm WarningGIDFillmore, Thayer51 min
Jul 9, 12:56 AM CDTSevere Thunderstorm WarningGIDNance64 min
Jul 9, 1:05 AM CDTSevere Thunderstorm WarningGIDNance55 min
Jul 9, 1:07 AM CDTSevere Thunderstorm WarningGIDPolk, York68 min
Jul 9, 1:18 AM CDTFlash Flood WarningGIDMerrick, Nance6 hr
Jul 9, 1:28 AM CDTSevere Thunderstorm WarningGIDHamilton, Merrick32 min
Jul 9, 1:39 AM CDTFlash Flood WarningGIDPolk6 hr

Nearby

Flash Flood Warnings in Nebraska, 2004Every flash flood warning in 2004

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.