Alert archive / Wisconsin / Flash Flood Warnings in 2003
Flash Flood Warning 3, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Jul 30, 2003, 6:16 PM CDT for Calumet County, Winnebago County, Wisconsin. It was in force for 74 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 30, 2003, 6:16 PM CDT (23:16 UTC)
- Expired
- Jul 30, 2003, 7:30 PM CDT
- In force
- 74 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
Counties Calumet County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 42 km from the middle of the area, began a volume at 23:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.3 hours before the alert went out and 41 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
- 239 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1038 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -70 m²/s²
- 0-3 km storm-relative helicity
- -72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KGRB 302318 FFWGRB WIC015-139-310030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 616 PM CDT WED JUL 30 2003 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN CALUMET COUNTY IN WISCONSIN NORTHEAST WINNEBAGO COUNTY IN WISCONSIN * UNTIL 730 PM CDT * AT 616 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN OVER NORTHEAST WINNEBAGO AND NORTHERN CALUMET COUNTIES. THE STORMS WERE MOVING EAST AT 15 MPH. * RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. 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. LAT...LON 4424 8860 4407 8859 4408 8805 4424 8805 $$ JKL
2 follow-up statements
000 WGUS73 KGRB 302339 FFSGRB WIC015-139-310030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 636 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEAST WINNEBAGO AND NORTHERN CALUMET COUNTIES... AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN ACROSS NORTHEAST WINNEBAGO AND NORTHERN CALUMET COUNTIES. THE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN ACROSS THIS AREA. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEAST WINNEBAGO AND NORTHERN CALUMET COUNTIES UNTIL 730 PM. SURFACE REPORTS INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN THIS AREA. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY EARLY THIS EVENING. THE HEAVY RAIN FROM THE STORMS WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...ROADS...AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. $$ JKL
000 WGUS73 KGRB 310003 FFSGRB WIC015-139-310100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 702 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEAST WINNEBAGO AND NORTHERN CALUMET COUNTIES... AT 656 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN OVER NORTHERN CALUMET COUNTY. THE STORMS WERE MOVING EAST AT 20 MPH. ADDITIONAL STORMS WERE DEVELOPING OVER THE NORTHWEST PART OF THE COUNTY AND MOVING ACROSS AREAS THAT HAVE ALREADY RECEIVED HEAVY RAIN. A FLASH FLOOD WARNING IS IN EFFECT FOR NORTHEAST WINNEBAGO AND NORTHERN CALUMET COUNTIES UNTIL 730 PM. RADAR ESTIMATES INDICATED THAT 4 INCHES OF RAIN HAD FALLEN IN THIS AREA. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY IN NORTHERN CALUMET COUNTY. IN MENASHA IN NORTHEAST WINNEBAGO COUNTY...WATER IS APPROACHING DOORSTEPS OF HOMES ON ONEIDA STREET. WATER IS UP TO THE WINDOWS OF CARS ON THE CORNER OF ONEIDA STREET AND MANITOWOC ROAD. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...ROADS AND UNDERPASSES. DO NOT DRIVE YOUR CAR INTO A FLOODED ROAD. $$ JKL
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 2:00 PM CDT | Severe Thunderstorm Warning | GRB | Winnebago | 45 min |
| Jul 30, 2:27 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 33 min |
| Jul 30, 3:46 PM CDT | Special Marine Warning | GRB | 89 min | |
| Jul 30, 4:01 PM CDT | Special Marine Warning | GRB | 89 min | |
| Jul 30, 4:01 PM CDT | Special Marine Warning | GRB | 89 min | |
| Jul 30, 4:01 PM CDT | Special Marine Warning | GRB | 89 min | |
| Jul 30, 4:25 PM CDT | Flash Flood Warning | GRB | Outagamie | 4 hr |
| Jul 30, 5:08 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie | 37 min |
| Jul 30, 5:51 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Winnebago | 39 min |
| Jul 30, 6:34 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Outagamie, Winnebago | 56 min |
| Jul 30, 6:53 PM CDT | Flash Flood Warning | GRB | Waupaca | 3 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2003Every flash flood warning in 2003
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; radar from the NEXRAD Level II archive.