Alert archive / Wisconsin / Flash Flood Warnings in 2006

Flash Flood Warning 7, NWS Twin Cities, MN

May 30, 2006Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this flash flood warning at May 30, 2006, 5:12 AM CDT for Eau Claire County, Wisconsin. It was in force for 3 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, 2006, 5:12 AM CDT (10:12 UTC)
Expired
May 30, 2006, 8:00 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Eau Claire County, WI

The radar

The La Crosse radar (KARX), 99 km from the middle of the area, began a volume at 10:12 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, 10.2 hours before the alert went out and 178 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 2006-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1230 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, Minneapolis, MN at 00:00Z on 2006-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1230 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1853 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 301013
FFWMPX
WIC035-301300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
512 AM CDT TUE MAY 30 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 800 AM CDT

* AT 510 AM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY
  HEAVY RAIN OVER EASTERN AND SOUTHERN EAU CLAIRE COUNTY. THESE      
  STORMS WERE MOVING SLOWLY NORTHEAST. RAINFALL ESTIMATES FROM RADAR 
  INDICATE 3 TO 4 INCHES OF RAIN HAS FALLEN BETWEEN AUGUSTA AND      
  FAIRCHILD BETWEEN MIDNIGHT AND 5 AM.   

  SLOW MOVING THUNDERSTORMS WILL CONTINUE TO PRODUCE TORRENTIAL      
  RAINFALL OF 1 TO 2 INCHES AN HOUR IN THE WARNED AREA...ESPECIALLY
  ALONG AND SOUTH OF HIGHWAY 12 BETWEEN AUGUSTA AND FAIRCHILD        
  THROUGH 7 AM. 

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ALTOONA...AUGUSTA...
  EAU CLAIRE...FAIRCHILD...FALL CREEK...ALLEN AND BRACKETT.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

LAT...LON 4461 9163 4460 9094 4485 9094 4485 9163

$$
1 follow-up statement
000 
WGUS73 KMPX 301228
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
727 AM CDT TUE MAY 30 2006

WIC035-301237-
EAU CLAIRE WI-
727 AM CDT TUE MAY 30 2006

...THE FLASH FLOOD WARNING FOR EAU CLAIRE COUNTY HAS BEEN
CANCELLED...

RADAR INDICATES THAT THE HEAVY RAINFALL HAS ENDING ACROSS THE WARNED 
AREA...AND THE FLOOD THREAT HAS DIMINISHED. THEREFORE...THE FLASH 
FLOOD WARNING FOR EAU CLAIRE COUNTY HAS BEEN CANCELLED.

LAT...LON 4461 9163 4460 9094 4485 9094 4485 9163

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:45 PM CDTSevere Thunderstorm WarningMPXSaint Croix20 min

Nearby

Flash Flood Warnings in Wisconsin, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.