Alert archive / Wisconsin / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Milwaukee, WI

May 17, 20005 counties in Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 17, 2000, 8:45 PM CDT for 5 counties in Wisconsin. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 17, 2000, 8:45 PM CDT (01:45 UTC)
Expired
May 18, 2000, 3:00 AM CDT
In force
6 hr
Issued by
NWS Milwaukee, WI
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Green County, WI, Kenosha County, WI, Racine County, WI, Rock County, WI, Walworth County, WI

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.8 hours before the alert went out and 246 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, Davenport, at 00:00Z on 2000-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1186 joules per kilogram.LCLLFCEL10008507005003002001001 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, Davenport, at 00:00Z on 2000-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.19395878Sfc1 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
1186 J/kg
Mixed-layer CIN
-178 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMKX 180224
FFWMKX
WIC021-027-049-089-131-180800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...RETRANSMISSION
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
845 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN
  WASHINGTON COUNTY IN SOUTHEAST WISCONSIN
  DODGE COUNTY IN SOUTHEAST WISCONSIN
  OZAUKEE COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 300 AM CDT

* AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THAT ALL OF SOUTHCENTRAL AND SOUTHEAST WISCONSIN WILL EXPERIENCE
  SEVERAL ROUNDS OF VERY HEAVY RAINS TONIGHT.

* WEATHER SERVICE DOPPLER RADAR ESTIMATES ARE THAT 2 TO 4 INCHES
  OF RAINFALL FELL THIS AFTERNOON AND EVENING THROUGH 830 PM CDT
  ACROSS SAUK...COLUMBIA...AND DODGE COUNTIES. OTHER COUNTIES HAVE
  RECEIVED 1 INCH AMOUNTS OR THE SOIL IS ALREADY SATURATED.

THIS RAIN...AND THE ADDITIONAL 2 TO 4 INCHES EXPECTED WILL CAUSE
LOCAL STREAMS AND RIVERS ACROSS SOUTHCENTRAL AND SOUTHEAST WISCONSIN
TO RISE RAPIDLY AND OVERFLOW THEIR BANKS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. 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 4408 8748 4229 8751 4244 9058 4399 9032

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:03 PM CDTSevere Thunderstorm WarningMKXColumbia57 min
May 17, 7:10 PM CDTFlash Flood WarningMKXColumbia, Green Lake, Marquette2 hr
May 17, 7:23 PM CDTSevere Thunderstorm WarningMKXDodge67 min
May 17, 7:49 PM CDTFlash Flood WarningMKXDodge116 min
May 17, 8:09 PM CDTSevere Thunderstorm WarningMKXWashington, Waukesha66 min
May 17, 8:45 PM CDTFlash Flood WarningMKXFond du Lac, Green Lake, Marquette, Sauk, Sheboygan6 hr
May 17, 8:45 PM CDTFlash Flood WarningMKXColumbia, Dodge, Iowa, Ozaukee, Washington6 hr
May 17, 8:45 PM CDTFlash Flood WarningMKXDane, Jefferson, Lafayette, Milwaukee, Waukesha6 hr
May 18, 3:09 AM CDTFlash Flood WarningMKXKenosha3 hr
May 18, 6:26 AM CDTSevere Thunderstorm WarningMKXIowa64 min
May 18, 7:08 AM CDTSevere Thunderstorm WarningMKXDane67 min
May 18, 8:08 AM CDTSevere Thunderstorm WarningMKXDane, Dodge, Jefferson67 min
May 18, 8:45 AM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth60 min
May 18, 8:59 AM CDTSevere Thunderstorm WarningMKXWaukesha61 min
May 18, 9:14 AM CDTSevere Thunderstorm WarningMKXMilwaukee61 min
May 18, 9:24 AM CDTSevere Thunderstorm WarningMKXOzaukee51 min
May 18, 10:15 AM CDTSevere Thunderstorm WarningMKXDane, Dodge, Jefferson60 min
May 18, 11:17 AM CDTSevere Thunderstorm WarningMKXMilwaukee, Waukesha58 min
May 18, 11:59 AM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth61 min
May 18, 12:23 PM CDTSevere Thunderstorm WarningMKXRock, Walworth67 min
May 18, 12:45 PM CDTSevere Thunderstorm WarningMKXDane, Iowa60 min
May 18, 1:06 PM CDTSevere Thunderstorm WarningMKXWaukesha54 min
May 18, 1:34 PM CDTSevere Thunderstorm WarningMKXOzaukee, Washington56 min
May 18, 1:49 PM CDTSevere Thunderstorm WarningMKXWalworth, Waukesha56 min
May 18, 2:48 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee, Waukesha57 min

Nearby

Flash Flood Warnings in Wisconsin, 2000Every flash flood warning in 2000

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.