Alert archive / Minnesota / Flash Flood Warnings in 2005

Flash Flood Warning 8, NWS Sioux Falls, SD

May 10, 2005Jackson County, Nobles County, Minnesota

NWS Sioux Falls, SD issued this flash flood warning at May 10, 2005, 11:45 PM CDT for Jackson County, Nobles County, Minnesota. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 10, 2005, 11:45 PM CDT (04:45 UTC)
Expired: May 11, 2005, 1:15 AM CDT
In force: 90 min
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), 107 km from the middle of the area, began a volume at 04:46 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

Minneapolis, MN (KMPX), launched 00:00Z, 4.8 hours before the alert went out and 199 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: 697 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -113 m²/s²
0-3 km storm-relative helicity: -9 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 KFSD 110448
FFWFSD
MNC063-105-110615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1145 PM CDT TUE MAY 10 2005

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN SOUTHWEST MINNESOTA
  SOUTHEAST NOBLES COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 115 AM CDT

* AT 1145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED   A LARGE AREA OF MODERATE TO HEAVY RAIN PRODUCING FLASH 
  FLOODING OVER SOUTHEAST NOBLES AND SOUTHERN JACKSON COUNTY.  THIS 
  AREA OF RAIN IS MOVING TO THE EAST AT 25 MPH. 

ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE INCH ARE POSSIBLE IN THE 
WARNED AREA THROUGH 1 AM CDT.  RADAR INDICATES THAT AROUND 2 INCHES 
OF RAIN HAS FALLEN OVER THIS AREA.  THE ADDITIONAL RAINFALL WILL 
CAUSE FLASH FLOODING IN LOW LYING AREAS NEAR ROUND LAKE...SPAFFORD 
AND SOUTH OF LAKEFIELD

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.

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 4362 9574 4350 9570 4352 9489 4371 9488
      4366 9546

$$

SCHUMACHER

2 follow-up statements

000 
WGUS73 KFSD 110515
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1211 AM CDT WED MAY 11 2005

MNC063-105-110615-
NOBLES MN-JACKSON MN-
1211 AM CDT WED MAY 11 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 AM CDT FOR JACKSON AND 
SOUTHEAST NOBLES COUNTIES...

AT 1211 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE MODERATE RAIN CAPABLE OF PRODUCING FLASH FLOODING. THE RAIN 
WAS MOVING TO THE EAST AT 25 MPH.

THE RAIN IS EXPECTED TO END IN NOBLES COUNTY BY 1230 AM. RAINFALL 
WILL CONTINUE ACROSS JACKSON COUNTY THROUGH 1 AM. WHILE RAINFALL IN 
JACKSON COUNTY WILL BE AROUND ONE HALF INCH...THIS WILL BE IN 
ADDITION TO 1 TO 3 INCHES OF RAIN THAT HAS ALREADY FALLING IN THE 
VICINITY OF LAKEFIELD AND SPAFFORD. ANY ADDITIONAL RAINFALL WILL 
CREATE MORE FLOODING IN LOW LYING AREAS FROM NEAR ROUND LAKE TO 
LAKEFIELD AND ALPHA.

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.

LAT...LON 4362 9574 4350 9570 4352 9489 4371 9488
      4366 9546

$$

SCHUMACHER

000 
WGUS73 KFSD 110620
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
118 AM CDT WED MAY 11 2005

IAC059-MNC063-105-110635-
DICKINSON IA-NOBLES MN-JACKSON MN-
118 AM CDT WED MAY 11 2005

...THE FLASH FLOOD WARNINGS FOR DICKINSON...JACKSON...AND SOUTHEAST 
NOBLES COUNTIES EXPIRED AT 115 AM CDT...

RAIN HAS EXITED THE WARNING AREA AS OF 115 AM CDT...THEREFORE THE 
FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE. ADDITIONAL LIGHT SHOWERS 
ARE POSSIBLE THROUGH THE REMAINDER OF THE NIGHT...HOWEVER FLOODING 
RAINS ARE NOT EXPECTED AT THIS TIME.

IF YOU EXPERIENCED FLOODING FROM THE HEAVY RAIN LATE TUESDAY 
EVENING...REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY...AND HAVE 
THEM RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN SIOUX FALLS.

LAT...LON 4363 9565 4351 9564 4350 9540 4330 9539
      4336 9494 4364 9490

$$
 JH

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 10, 10:33 PM CDT	Severe Thunderstorm Warning	FSD	Jackson	27 min

Nearby

Flash Flood Warnings in Minnesota, 2005 Every flash flood warning in 2005

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.