Alert archive / Minnesota / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS La Crosse, WI

May 17, 2000Winona County, Minnesota

NWS La Crosse, WI issued this flash flood warning at May 17, 2000, 4:25 PM CDT for Winona County, Minnesota. 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 17, 2000, 4:25 PM CDT (21:25 UTC)
Expired
May 17, 2000, 7:00 PM CDT
In force
3 hr
Issued by
NWS La Crosse, WI
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Winona County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 163 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 12:00Z on 2000-05-17Temperature 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 12:00Z on 2000-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
994 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
134 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 KARX 172126
FFWARX
MNC169-180000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
425 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WINONA COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 700 PM CDT

* AT 420 PM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED ROADS UNDER
  WATER IN THE PICKWICK MILL AND WYATTVILLE AREAS.  MORE
  THUNDERSTORMS PRODUCING HEAVY DOWNPOURS OF RAIN WERE MOVING EAST
  ACROSS WINONA COUNTY AT 35 MPH.

* SOME LOCATIONS WHICH MAY BE AFFECTED...
  WINONA
  STOCKTON
  WILSON
  WITOKA

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. DO NOT ATTEMPT TO FORGE
FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. IF YOUR VE/HICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.

RRS

LAT...LON 4411 9211 4401 9210 4387 9208 4386 9132
          4408 9168 4420 9185

&

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 10:31 AM CDTSevere Thunderstorm WarningARXMower44 min
May 17, 11:06 AM CDTSevere Thunderstorm WarningARXDodge, Olmsted54 min
May 17, 3:36 PM CDTSevere Thunderstorm WarningARXWinona69 min

Nearby

Flash Flood Warnings in Minnesota, 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.