Alert archive / Minnesota / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Twin Cities, MN

May 30, 2004McLeod County, Sibley County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at May 30, 2004, 1:08 AM CDT for McLeod County, Sibley County, Minnesota. It was in force for 4 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
May 30, 2004, 1:08 AM CDT (06:08 UTC)
Expired
May 30, 2004, 5:15 AM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties McLeod County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 69 km from the middle of the area, began a volume at 06:06 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, 6.1 hours before the alert went out and 67 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, Minneapolis, MN at 00:00Z on 2004-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2004-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 401 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
401 m²/s²
0-3 km storm-relative helicity
418 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 300608
FFWMPX
MNC085-143-301015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
108 AM CDT SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA
  THIS INCLUDES THE CITY OF HUTCHINSON
  SIBLEY COUNTY IN CENTRAL MINNESOTA

* UNTIL 515 AM CDT

* AT 102 AM CDT...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  OVER THE WARNED AREA.

* 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 4451 9459 4471 9455 4471 9450 4495 9449
          4490 9412 4447 9402

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 10:40 PM CDTFlash Flood WarningMPXChippewa, Redwood, Renville, Yellow Medicine6 hr
May 30, 12:41 AM CDTSevere Thunderstorm WarningMPXScott34 min
May 30, 3:37 PM CDTTornado WarningMPXSherburne23 min
May 30, 6:50 PM CDTTornado WarningMPXGoodhue40 min

Nearby

Flash Flood Warnings in Minnesota, 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.