Alert archive / Wisconsin / Flash Flood Warnings in 2000

Flash Flood Warning 10, NWS Twin Cities, MN

September 11, 20004 counties in Wisconsin

NWS Twin Cities, MN issued this flash flood warning at Sep 11, 2000, 2:55 AM CDT for 4 counties in Wisconsin. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 11, 2000, 2:55 AM CDT (07:55 UTC)
Expired
Sep 11, 2000, 5:00 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pierce County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.9 hours before the alert went out and 148 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 2000-09-11Temperature 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 00:00Z on 2000-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
2354 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
203 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 KMPX 110759
FFWMPX
WIC017-033-035-093-111000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
255 AM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 500 AM CDT

* AT 255 AM...NATIONAL WEATHER SERVICE RADAR INDICATED
  THUNDERSTORMS WITH TORRENTIAL RAIN FROM ELLSWORTH
  THROUGH MENOMONIE...ROCK FALLS...EAU CLAIRE AND CHIPPEWA FALLS.

* THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING OVER THE SAME AREA
  WHERE LAW ENFORCEMENT OFFICIALS HAVE REPORTED ROAD
  CLOSURES...BASEMENT FLOODING AND WASH-OUTS. RADAR ESTIMATES THAT
  RAINFALL TOTALS HAVE REACHED 6 TO 8 INCHES OVER PORTIONS OF
  DUNN AND CHIPPEWA COUNTIES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. AVOID AREAS EXPERIENCING RAPID RUNOFF AND
DO NOT ATTEMPT TO DRIVE THROUGH FLOODED ROADS. STREAMS AND RIVERS
WILL RISE THROUGH THE NIGHT...AND THOSE THAT LIFE IN FLOOD PRONE
AREAS SHOULD TAKE IMMEDIATE ACTION TO PROTECT PROPERTY OR BE READY
TO MOVE TO A PLACE OF SAFETY.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 8:59 PM CDTSevere Thunderstorm WarningMPXDunn, Saint Croix46 min
Sep 10, 9:03 PM CDTSevere Thunderstorm WarningMPXChippewa42 min
Sep 10, 9:19 PM CDTSevere Thunderstorm WarningMPXEau Claire41 min
Sep 10, 9:37 PM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix53 min
Sep 10, 9:43 PM CDTSevere Thunderstorm WarningMPXChippewa, Dunn, Eau Claire62 min
Sep 10, 11:28 PM CDTSevere Thunderstorm WarningMPXEau Claire32 min
Sep 10, 11:57 PM CDTSevere Thunderstorm WarningMPXEau Claire48 min
Sep 11, 12:40 AM CDTFlash Flood WarningMPXChippewa, Eau Claire2 hr
Sep 11, 1:39 AM CDTFlash Flood WarningMPXDunn, Pierce81 min
Sep 11, 3:13 PM CDTSevere Thunderstorm WarningMPXDunn, Pierce, Saint Croix47 min
Sep 11, 3:24 PM CDTTornado WarningMPXDunn36 min
Sep 11, 3:41 PM CDTTornado WarningMPXChippewa, Eau Claire49 min
Sep 11, 3:56 PM CDTTornado WarningMPXDunn19 min
Sep 11, 4:03 PM CDTSevere Thunderstorm WarningMPXRusk42 min
Sep 11, 4:16 PM CDTTornado WarningMPXDunn14 min
Sep 11, 4:26 PM CDTTornado WarningMPXChippewa, Eau Claire49 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.