Alert archive / Wisconsin / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Green Bay, WI

September 11, 2000Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Sep 11, 2000, 1:45 AM CDT for Lincoln County, Marathon County, 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, 1:45 AM CDT (06:45 UTC)
Expired: Sep 11, 2000, 3:45 AM CDT
In force: 2 hr
Issued by: NWS Green Bay, WI
Area: Whole counties

Counties Lincoln County, WI, Marathon County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2296 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 837 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KGRB 110647
FFWGRB
WIC069-073-110845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
145 AM CDT MON SEP 11 2000

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARATHON COUNTY IN WISCONSIN
  SOUTHERN LINCOLN COUNTY IN WISCONSIN

* UNTIL 345 AM CDT

* AT 145 AM CDT NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
  WITH TORRENTIAL RAIN. THE HEAVY RAIN COVERED MOST OF MARATHON AND 
  SOUTHERN LINCOLN COUNTIES. THE THUNDERSTORMS EXTENDED WEST THROUGH 
  WEST-CENTRAL WISCONSIN AND WILL CONTINUE TO MOVE EAST OVER THE 
  SAME AREAS.

* RADAR ESTIMATES INDICATE THAT UP TO 4 INCHES OF RAIN HAS FALLEN 
  IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH    
  FLOODING INCLUDE...WESTON...WAUSAU...SUNSET...STRATFORD AND 
  SPENCER.   

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLASH FLOODIN|G. 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.

DAK/RM/JS/AK

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 11:05 PM CDT	Severe Thunderstorm Warning	GRB	Vilas	55 min
Sep 11, 12:10 AM CDT	Severe Thunderstorm Warning	GRB	Marinette	50 min
Sep 11, 12:15 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	45 min
Sep 11, 12:21 AM CDT	Severe Thunderstorm Warning	GRB	Langlade	39 min
Sep 11, 12:29 AM CDT	Severe Thunderstorm Warning	GRB	Forest	31 min
Sep 11, 1:02 AM CDT	Severe Thunderstorm Warning	GRB	Langlade	28 min
Sep 11, 3:45 AM CDT	Flash Flood Warning	GRB	Marathon	3 hr
Sep 11, 5:15 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Oneida	60 min
Sep 11, 6:24 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest	36 min
Sep 11, 6:44 PM CDT	Severe Thunderstorm Warning	GRB	Wood	61 min

Nearby

Flash Flood Warnings in Wisconsin, 2000 Every 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.