Alert archive / Nebraska / Flash Flood Warnings in 2003
Flash Flood Warning 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 23, 2003, 11:13 PM CDT for Dixon County, Nebraska. It was in force for 2 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
- Jun 23, 2003, 11:13 PM CDT (04:13 UTC)
- Expired
- Jun 24, 2003, 1:15 AM CDT
- In force
- 2 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Dixon County, NE
The radar
The Sioux Falls radar (KFSD), 127 km from the middle of the area, began a volume at 04:16 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
Aberdeen, SD (KABR), launched 00:00Z, 4.2 hours before the alert went out and 298 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.
- Mixed-layer CAPE
- 1534 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 996 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 407 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFSD 240417 FFWFSD NEC051-240615- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1113 PM CDT MON JUN 23 2003 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... DIXON COUNTY IN NORTHEAST NEBRASKA * UNTIL 115 AM CDT * AT 1113 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL WAS OCCURRING OVER THE WARNED AREA. RADAR INDICATES THAT BETWEEN 2 AND 4 INCHES OF RAIN HAS FALLEN OVER THE NORTHERN PART OF DIXON COUNTY. RADAR INDICATES THAT ADDITIONAL THUNDERSTORMS WILL BE MOVING ACROSS DIXON COUNTY DURING THE NEXT 2 HOURS. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE BEFORE 115 AM. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. 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 4229 9700 4230 9675 4265 9675 4271 9699 $$ BOUSTEAD
1 follow-up statement
000 WGUS73 KFSD 240706 FFSFSD NEC051-240715- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 205 AM CDT TUE JUN 24 2003 ...FLASH FLOOD WARNING EXPIRED FOR... ...DIXON COUNTY IN NORTHEAST NEBRASKA... THE HEAVY RAIN THAT THREATENED THE AREA EARLIER HAS SHIFTED NORTH AND EAST...AND NO LONGER POSES A THREAT. $$ 08
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 10:04 PM CDT | Tornado Warning | FSD | Dixon | 56 min |
| Jun 23, 10:47 PM CDT | Severe Thunderstorm Warning | FSD | Dakota | 58 min |
| Jun 23, 11:00 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 30 min |
| Jun 23, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Dakota | 28 min |
| Jun 24, 12:45 AM CDT | Severe Thunderstorm Warning | FSD | Dixon | 30 min |
| Jun 24, 5:26 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 49 min |
| Jun 24, 5:52 PM CDT | Tornado Warning | FSD | Dixon | 38 min |
Nearby
Flash Flood Warnings in Nebraska, 2003Every flash flood warning in 2003
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.