Alert archive / Wisconsin / Flash Flood Warnings in 2003
Flash Flood Warning 10, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Aug 3, 2003, 3:05 PM CDT for Calumet County, Wisconsin. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2003, 3:05 PM CDT (20:05 UTC)
- Expired
- Aug 3, 2003, 6:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Calumet County, WI
The radar
The Green Bay radar (KGRB), 43 km from the middle of the area, began a volume at 20:05 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, 8.1 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
- 209 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 29 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 032011 FFWGRB WIC015-032300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 305 PM CDT SUN AUG 3 2003 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... CALUMET COUNTY IN WISCONSIN * UNTIL 600 PM CDT * AT 305 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A CLUSTER OF THUNDERSTORMS WITH TORRENTIAL RAIN. THE STRONGEST STORMS WERE LOCATRED NEAR HILBERT...POTTER...AND BRILLION. THE STORMS WERE NEARLY STATIONARY. * RADAR ESTIMATES INDICATED THAT 1 TO 2 INCHES OF RAIN HAD ALREADY FALLEN IN THIS AREA SINCE 2 PM CDT. THE VERY SLOW MOVEMENT OF THE THUNDERSTORMS WILL SIGNIFICANTLY INCREASE THE RISK OF FLASH FLOODING...PARTICULARLY IN AREAS THAT HAVE ALREADY RECEIVED EXCESSIVE RAINFALL OVER THE PAST FEW DAYS. ANOTHER 1 TO LOCALLY 3 INCHES OF RAIN IS LIKELY IN THIS AREA. ALSO HAIL UP TO A HALF INCH IN DIAMETER MAY ALSO ACCOMPANY THESE STORMS SOME LOCATIONS WHICH ARE AT HIGHIEST RISK OF FLASH FLOODING INCLUDE...BRILLION...CHILTON...HIGH CLIFF STATE PARK...HILBERT AND POTTER. 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. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. LAT...LON 4411 8836 4398 8815 4419 8805 4423 8832 $$ BRUSKY
2 follow-up statements
000 WGUS73 KGRB 032057 FFSGRB WIC015-032215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 350 PM CDT SUN AUG 3 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CALUMET COUNTY... AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STRONGEST STORMS WERE LOCATED OVER NORTHERN CALUMET COUNTY GENERALLY ALONG HIGHWAY 10...NEAR BRILLION...FOREST JUNCTION AND COMBINED LOCKS. THE STORMS WERE DRIFTING NORTH AT 5 MPH. THESE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN. A FLASH FLOOD WARNING IS IN EFFECT FOR CALUMET COUNTY UNTIL 6 PM CDT. RADAR ESTIMATES INDICATED THAT LOCALLY 2 TO 3 INCHES OF RAIN HAD FALLEN IN THIS AREA SINCE 230 PM CDT...PARTICURLY ALONG AND NEAR HIGHWAY 10 IN NORTHERN CALUMET COUNTY. THE VERY SLOW MOVEMENT OF THE THUNDERSTORMS WILL SIGNIFICANTLY INCREASE THE RISK OF FLASH FLOODING PARTICULARY IN THOSE AREA THAT HAVE ALREADY RECEIVED EXCESSIVE RAINFALL OVER THE PAST FEW DAYS. ANOTHER 1 TO 2 INCHES IS POSSIBLE IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGHEST RISK OF FLASH FLOODING INCLUDE...FOREST JUNCTION...BRILLION AND DUNDAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. $$ BRUSKY
000 WGUS73 KGRB 032208 FFSGRB WIC015-087-032300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 459 PM CDT SUN AUG 3 2003 ...FLASH FLOOD WARNING FOR OUTAGAMIE AND CALUMET COUNTIES NO LONGER IN EFFECT... AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH INITIALLY PROMPTED THE ISSUANCE OF THE WARNINGS HAD WEAKENED AND MOVED OUT OF THE AREA. THUS THE FLASH FLOOD WARNING WHICH HAD BEEN IN EFFECT FOR OUTAGAMIE AND CALUMET COUNTIES HAS BEEN CANCELED. THE OUTAGAMIE COUNTY SHERIFF REPORTED STREET FLOODING NEAR THE FOX RIVER MALL AREA IN GRAND CHUTE...AND ALSO IN THE SEYMOUR AREA. THE CALUMET COUNTY SHERIFF REPORTED STREET FLOODING IN THE BRILLION AREA BETWEEN 4 AND 430 PM CDT THIS AFTERNOON. RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN THESE AREAS. ALTHOUGH THE STRONGEST STORMS HAVE WEAKENED AND MOVED OUT OF THESE AREAS...ADDITIONAL THUNDERSTORM ACTIVITY IS STILL POSSIBLE THROUGH 8PM...WHICH COULD AGGREVIATE THE SITUATION FURTHER. 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. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. $$ BRUSKY
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 12:45 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Kewaunee | 30 min |
| Aug 3, 1:16 PM CDT | Severe Thunderstorm Warning | GRB | Brown | 29 min |
| Aug 3, 1:24 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Winnebago | 36 min |
| Aug 3, 1:55 PM CDT | Flash Flood Warning | GRB | Outagamie, Winnebago | 3 hr |
| Aug 3, 4:25 PM CDT | Flash Flood Warning | GRB | Waupaca | 80 min |
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.