Alert archive / Wisconsin / Flash Flood Warnings in 2002

Flash Flood Warning 1, NWS Milwaukee, WI

May 8, 2002Sauk County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 8, 2002, 9:56 PM CDT for Sauk 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 8, 2002, 9:56 PM CDT (02:56 UTC)
Expired
May 9, 2002, 1:00 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

County Sauk County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.9 hours before the alert went out and 179 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, Green Bay/Straub, WI at 00:00Z on 2002-05-09Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2002-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897Sfc1 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
660 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
281 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 KMKX 090256
FFWMKE
WIC111-090600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
955 PM CDT WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN
  THIS INCLUDES THE CITIES OF...REEDSBURG...BARABOO

* UNTIL 100 AM CDT

* AT 953 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE MOVING INTO       
  WESTERN SAUK COUNTY.

* WEATHER SERVICE DOPPLER RADAR ESTIMATES THAT RAINFALL RATES OF ONE 
  TO TWO INCHES PER HOUR ARE EXPECTED. THIS RAIN WILL CAUSE LOCAL    
  STREAMS AND RIVERS TO RISE RAPIDLY AND OVERFLOW THEIR BANKS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT 
IMMEDIATELY AND SEEK HIGHER GROUND. 

BE ESPECIALLY CAUTIOUS TONIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS.

LAT...LON 4364 8979 4356 8974 4356 8962 4341 8961
          4326 8979 4325 9031 4364 9031

EISE
5 follow-up statements
000 
WGUS53 KMKX 090343
FFSMKE
WIC111-090645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1040 PM CDT WED MAY 8 2002

UNTIL 100 AM CDT...

AT 1040 PM CDT...NATIONAL WEATHER SERVICE DOPPER RADAR CONTINUED TO
INDICATE VERY HEAVY RAINFALL OVER PORTIONS OF THE WARNED AREA.

DOPPLER RADAR INDICATED THAT 1 TO 2 INCHES OF RAINFALL HAS FALLEN 
DURRING THE PAST HOUR. THIS RAIN...AND THE ADDITIONAL 
EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND 
OVERFLOW THEIR BANKS.

SOME CITIES THAT WILL BE AFFECTED 
INCLUDE...REEDSBURG...BARABOO...LOGANVILLE...AND LONE ROCK.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

$$

MK
000 
WGUS53 KMKX 090349 CCA
FFSMKE
WIC111-090645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1040 PM CDT WED MAY 8 2002

...FLASH FLOOD WARNING FOR SAUK COUNTY UNTIL 100 AM CDT...

AT 1040 PM CDT...NATIONAL WEATHER SERVICE DOPPER RADAR CONTINUED TO
INDICATE VERY HEAVY RAINFALL OVER PORTIONS OF THE WARNED AREA.

DOPPLER RADAR INDICATED THAT 1 TO 2 INCHES OF RAINFALL HAS FALLEN 
DURRING THE PAST HOUR. THIS RAIN...AND THE ADDITIONAL 
EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND 
OVERFLOW THEIR BANKS.

SOME CITIES THAT WILL BE AFFECTED 
INCLUDE...REEDSBURG...BARABOO...LOGANVILLE...AND LONE ROCK.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

$$

MK
000 
WGUS53 KMKX 090407
FFSMKE
WIC111-090500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1104 PM CDT WED MAY 8 2002

...FLASH FLOOD WARNING IN EFFECT FOR SAUK COUNTY UNTIL 1 AM CDT...

AT 1104 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE VERY HEAVY RAINFALL OVER PORTIONS OF THE WARNED AREA.

DOPPLER RADAR INDICATED THAT 1 TO 2 INCHES OF RAINFALL HAS FALLEN 
DURRING THE PAST HOUR. THIS RAIN...AND THE ADDITIONAL 
EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND 
OVERFLOW THEIR BANKS.

SOME CITIES THAT WILL BE AFFECTED INCLUDE...BARABOO...REEDSBURG... 
LONE ROCK...AND LOGANVILLE

THE PUBLIC REPORTED 1 INCH OF RAIN FELL IN 20 MINUTES AT LONE ROCK  
AT 1100 PM CDT

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

$$

MK
000 
WGUS53 KMKX 090431
FFSMKE
WIC111-090630-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1130 PM CDT WED MAY 8 2002

...FLASH FLOOD WARNING IN EFFECT FOR SAUK COUNTY UNTIL 1 AM CDT...

AT 1130 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE VERY HEAVY RAINFALL OVER PORTIONS OF THE WARNED AREA.

DOPPLER RADAR INDICATED THAT 1 TO 2 INCHES OF RAINFALL HAS FALLEN 
DURRING THE PAST HOUR. THIS RAIN...AND THE ADDITIONAL 
EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND 
OVERFLOW THEIR BANKS.

SOME CITIES THAT WILL BE AFFECTED INCLUDE...BARABOO...REEDSBURG... 
LONE ROCK...AND LOGANVILLE

THE PUBLIC REPORTED 2 AND 1/4 INCHES OF RAIN FELL IN ABOUT 1 HOUR AT 
REEDSBURG AT 1115 PM CDT

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

$$

MK
000 
WGUS53 KMKX 090437 CCA
FFSMKE
WIC111-090630-

FLASH FLOOD STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1130 PM CDT WED MAY 8 2002

...FLASH FLOOD WARNING IN EFFECT FOR SAUK COUNTY UNTIL 1 AM CDT...

AT 1130 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE VERY HEAVY RAINFALL OVER PORTIONS OF THE WARNED AREA.

DOPPLER RADAR INDICATED THAT 1 TO 2 INCHES OF RAINFALL HAS FALLEN 
DURING THE PAST HOUR. THIS RAIN...AND THE ADDITIONAL EXPECTED...WILL 
CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND OVERFLOW THEIR 
BANKS.

SOME CITIES THAT WILL BE AFFECTED INCLUDE...BARABOO...REEDSBURG... 
LONE ROCK...AND LOGANVILLE

THE PUBLIC REPORTED 2 AND 1/4 INCHES OF RAIN FELL IN ABOUT 1 HOUR AT 
REEDSBURG AT 1115 PM CDT

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

$$

MK

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 1:00 AM CDTFlash Flood WarningMKXIowa, Sauk2 hr

Nearby

Flash Flood Warnings in Wisconsin, 2002Every flash flood warning in 2002

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.