Alert archive / Wisconsin / Flash Flood Warnings in 2002

Flash Flood Warning 14, NWS Twin Cities, MN

June 25, 2002Dunn County, Wisconsin

NWS Twin Cities, MN issued this flash flood warning at Jun 25, 2002, 10:23 PM CDT for Dunn 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
Jun 25, 2002, 10:23 PM CDT (03:23 UTC)
Expired
Jun 26, 2002, 1:30 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Dunn County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.4 hours before the alert went out and 141 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 2002-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4448 joules per kilogram.LCLEL10008507005003002001001 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 2002-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 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
4448 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1086 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
2.4
Supercell composite
16.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 260323
FFWMSP
WIC033-260630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1023 PM CDT TUE JUN 25 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DUNN COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 130 AM CDT

* AT 1023 PM CDT...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  OVER THE WARNED AREA.

* THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL IN THE
  WARNED AREA...AND ADDITIONAL RAIN WILL RUNOFF AND CAUSE FLOODING.

ABSOLUTELY DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER
COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED. MOVE TO HIGHER GROUND.

LAT...LON 4520 9165 4471 9170 4470 9209 4516 9204

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:00 PM CDTTornado WarningMPXPolk, Saint Croix30 min
Jun 25, 8:19 PM CDTSevere Thunderstorm WarningMPXChippewa41 min
Jun 25, 8:34 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Polk, Saint Croix56 min
Jun 25, 9:00 PM CDTSevere Thunderstorm WarningMPXChippewa60 min
Jun 25, 9:07 PM CDTSevere Thunderstorm WarningMPXPierce38 min
Jun 25, 9:08 PM CDTSevere Thunderstorm WarningMPXRusk52 min
Jun 25, 9:29 PM CDTSevere Thunderstorm WarningMPXDunn46 min
Jun 25, 9:37 PM CDTFlash Flood WarningMPXChippewa4 hr
Jun 25, 9:49 PM CDTSevere Thunderstorm WarningMPXPierce41 min
Jun 25, 9:53 PM CDTSevere Thunderstorm WarningMPXEau Claire, Pepin37 min
Jun 25, 10:50 PM CDTFlash Flood WarningMPXEau Claire, Pepin3 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.