Alert archive / Minnesota / Flash Flood Warnings in 2006
Flash Flood Warning 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Apr 7, 2006, 4:39 AM CDT for Jackson County, Nobles County, Minnesota. It was in force for 2 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 7, 2006, 4:39 AM CDT (09:39 UTC)
- Expired
- Apr 7, 2006, 6:45 AM CDT
- In force
- 2 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Jackson County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 112 km from the middle of the area, began a volume at 09:39 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 5:00 AM CDT | FLASH FLOOD | Jackson, MN | WEST FORK DES MOINES RIVER FLOODING |
| Apr 7, 5:35 AM CDT | FLASH FLOOD | Worthington, MN | STORM SEWERS BACKED UP...ROADS FLOODED...CARS STALLED |
| Apr 7, 6:00 AM CDT | HEAVY RAIN 2.42 | Heron Lake, MN | |
| Apr 7, 6:32 AM CDT | HEAVY RAIN 3.9 | Round Lake, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 9.7 hours before the alert went out and 193 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 475 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KFSD 070941 FFWFSD MNC063-105-071145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 439 AM CDT FRI APR 7 2006 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WARNING FOR... JACKSON COUNTY IN SOUTHWEST MINNESOTA NOBLES COUNTY IN SOUTHWEST MINNESOTA * UNTIL 645 AM CDT * AT 439 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM CONTINUOUS HEAVY RAINFALL. ESTIMATED RAINFALL OF ONE AND A HALF TO TWO AND A HALF INCHES HAS ALREADY OCCURRED...WITH ADDITIONAL RAINFALL AMOUNTS OF A HALF AN INCH POSSIBLE IN THE WARNED AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. 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 4353 9489 4382 9491 4383 9602 4353 9599 $$ 08
1 follow-up statement
000 WGUS73 KFSD 071049 FFSFSD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 546 AM CDT FRI APR 7 2006 MNC063-105-071145- NOBLES MN-JACKSON MN- 546 AM CDT FRI APR 7 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR JACKSON AND NOBLES COUNTIES... AT 535 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT SEWERS WERE BACKED UP IN THE WORTHINGTON AREA. ALSO REPORTS OF MANY ROADS UNDER WATER WITH STALLED CARS. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4353 9489 4382 9491 4383 9602 4353 9599 $$ 08
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 5:43 AM CDT | Flash Flood Warning | FSD | Rock | 3 hr |
| Apr 7, 6:43 AM CDT | Flash Flood Warning | FSD | Jackson, Nobles | 3 hr |
Nearby
Flash Flood Warnings in Minnesota, 2006Every flash flood warning in 2006
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.