Alert archive / Wisconsin / Flash Flood Warnings in 2000

Flash Flood Warning 3, NWS Green Bay, WI

July 8, 20004 counties in Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jul 8, 2000, 9:27 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
Jul 8, 2000, 9:27 AM CDT (14:27 UTC)
Expired
Jul 8, 2000, 11:30 AM CDT
In force
2 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Langlade County, WI, Menominee County, WI, Oconto County, WI, Shawano County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 2.5 hours before the alert went out and 76 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, Green Bay/Straub, WI at 12:00Z on 2000-07-08Temperature 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, Green Bay/Straub, WI at 12:00Z on 2000-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -63 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
1179 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-63 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KGRB 081432
FFWGRB
WIC067-078-083-115-081630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
927 AM CDT SAT JUL 8 2000

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LANGLADE COUNTY IN WISCONSIN
  MENOMINEE COUNTY IN WISCONSIN
  EASTERN SHAWANO COUNTY IN WISCONSIN
  OCONTO COUNTY IN WISCONSIN

* UNTIL 1130 AM CDT

* AT 927 AM CDT NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS
  WITH TORRENTIAL RAIN. A LARGE AREA OF THUNDERSTORMS WERE MOVING ACROSS
  NORTHEAST WISCONSIN. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS EXPECTED
  OVER THE WARNED AREA.

* SURFACE REPORTS INDICATE 3 TO 5 INCHES OF RAIN HAS FALLEN IN
  THESE AREAS. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING
  INCLUDE...LANGLADE...LAKEWOOD...MOUNTAIN...ZACHOW...SHAWANO...AND
  OCONTO.
  
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWADY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

TSK/APK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 3:42 AM CDTFlash Flood WarningGRBForest, Langlade, Oneida2 hr
Jul 8, 4:39 AM CDTFlash Flood WarningGRBBrown, Manitowoc, Menominee, Oconto, Shawano3 hr
Jul 8, 10:03 AM CDTSevere Thunderstorm WarningGRBBrown, Outagamie, Shawano42 min
Jul 8, 10:14 AM CDTFlash Flood WarningGRBBrown, Manitowoc2 hr
Jul 8, 11:35 AM CDTFlash Flood WarningGRBLanglade, Menominee, Oconto, Oneida, Shawano2 hr
Jul 8, 3:31 PM CDTSevere Thunderstorm WarningGRBOneida59 min
Jul 8, 4:03 PM CDTFlash Flood WarningGRBForest, Langlade, Oconto, Oneida117 min
Jul 8, 5:53 PM CDTSevere Thunderstorm WarningGRBOneida52 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.