Alert archive / Wisconsin / Flash Flood Warnings in 2000
Flash Flood Warning 7, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Aug 15, 2000, 12:45 AM CDT for Marathon County, Wisconsin. It was in force for 4 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
- Aug 15, 2000, 12:45 AM CDT (05:45 UTC)
- Expired
- Aug 15, 2000, 5:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Marathon County, WI
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.8 hours before the alert went out and 139 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.
- Mixed-layer CAPE
- 1190 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KGRB 150554 FFWGRB WIC073-151000- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 1245 AM CDT TUE AUG 15 2000 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN MARATHON COUNTY IN WISCONSIN * UNTIL 500 AM CDT * AT 1244 AM CDT NATIONAL WEATHER SERVICE RADAR DETECTED A LINE OF TRAINING THUNDERSTORMS WITH TORRENTIAL RAINS FROM NORTHERN MARATHON COUNTY TO NORTHWEST WISCONSIN. THE STORMS OVER NORTHWEST WISCONSIN WERE MOVING SOUTHEAST AT 25 MPH...TOWARD MARATHON COUNTY. * RADAR ESTIMATES INDICATE THAT UP TO 4 INCHES OF RAIN HAS FALLEN OVER NORTHERN MARATHON COUNTY AS OF 1245 AM THIS MORNING. THE MOVEMENT OF THE THUNDERSTORMS WILL RESULT IN MORE STORMS MOVING OVER THE SAME AREA WHICH HAS ALREADY EXPERIENCED HEAVY RAIN. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...HAMBURG...BROKAW AND HOGARTY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. TH
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 7:21 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 69 min |
| Aug 14, 7:57 PM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 63 min |
| Aug 14, 8:06 PM CDT | Tornado Warning | GRB | Oneida | 24 min |
| Aug 14, 8:23 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade | 67 min |
| Aug 14, 8:28 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 47 min |
| Aug 14, 9:40 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 80 min |
| Aug 14, 9:51 PM CDT | Severe Thunderstorm Warning | GRB | Shawano | 69 min |
| Aug 14, 10:31 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Wood | 59 min |
| Aug 14, 11:24 PM CDT | Severe Thunderstorm Warning | GRB | Waupaca | 51 min |
| Aug 14, 11:33 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 57 min |
| Aug 14, 11:49 PM CDT | Severe Thunderstorm Warning | GRB | Winnebago | 56 min |
| Aug 15, 12:03 AM CDT | Tornado Warning | GRB | Winnebago | 27 min |
| Aug 15, 12:10 AM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet | 65 min |
| Aug 15, 12:34 AM CDT | Severe Thunderstorm Warning | GRB | Manitowoc | 41 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.