Alert archive / Wisconsin / Flash Flood Warnings in 2003
Flash Flood Warning 9, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Aug 3, 2003, 1:55 PM CDT for Outagamie County, Winnebago 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, 1:55 PM CDT (18:55 UTC)
- Expired
- Aug 3, 2003, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
Counties Outagamie County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 41 km from the middle of the area, began a volume at 18:55 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, 6.9 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 031856 FFWGRB WIC087-139-032200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 155 PM CDT SUN AUG 3 2003 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEAST WINNEBAGO COUNTY IN WISCONSIN SOUTHERN OUTAGAMIE COUNTY IN WISCONSIN * UNTIL 500 PM CDT * AT 155 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS WERE CENTERED NEAR APPLETON. THE STORMS WERE NEARLY STATIONARY. * RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN THIS AREA. THE VERY SLOW MOVEMENT OF THE THUNDERSTORMS WILL SIGNIFICANTLY INCREASE THE RISK OF FLASH FLOODING. ADDITIONAL HEAVY RAIN IS LIKELY. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...APPLETON AND GREENVILLE. 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. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. LAT...LON 4421 8859 4422 8841 4433 8836 4432 8858 $$ ECKBERG
3 follow-up statements
000 WGUS73 KGRB 032003 FFSGRB WIC087-139-032100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 254 PM CDT SUN AUG 3 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN OUTAGAMIE COUNTY... AT 254 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STRONGEST STORMS WERE LOCATED NEAR SEYMOUR AND FREEDOM. THE STORMS WERE NEARLY STATIONARY. THE STORMS WILL CONTINUE TO PRODUCE BRIEF TORRENTIAL RAIN WITH NEAR ZERO VISIBILTIES AT TIMES. A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHERN OUTAGAMIE COUNTY. RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD ALREADY FALLEN IN THIS AREA SINCE ABOUT 1 PM CDT. ADDITIONAL HEAVY RAIN IS LIKELY. SOME LOCATIONS WHICH ARE AT HIGHISET RISK OF FLASH FLOODING INCLUDE...FREEDOM...KAUKAUNA AND APPLETON. EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. SMALL HAIL UP TO A HALF INCH IN DIAMETER MAY ALSO ACCOMPANY THE HEAVY RAINFALL. THE FLASH FLOOD WARNING FOR NORTHEAST WINNEBAGO COUNTY HAS BEEN CANCELLED AS THE STRONGEST STORMS HAVE MOVED OUT OF THAT AREA. HOWEVER...MORE SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH EARLY EVENING. $$ BRUSKY
000 WGUS73 KGRB 032040 FFSGRB WIC087-032200- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 335 PM CDT SUN AUG 3 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN OUTAGAMIE COUNTY... AT 335 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STRONGEST STORMS WERE GENERALLY LOCATED ALONG HIGHWAY 47...NEAR THE COMMUNITIES OF MACKVILLE...FREEDOM...KIMBERLY...GREENVILLE AND LITTLE CHUTE. THE STORMS WERE DRIFTING WEST AT 5 MPH. THE STORMS WILL CONTINUE TO PRODUCE VERY HEAVY RAIN. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN OUTAGAMIE COUNTY UNTIL 5 PM CDT. RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN THIS AREA SINCE ABOUT 1 PM CDT. THE VERY SLOW MOVEMENT OF THE THUNDERSTORMS WILL SIGNIFICANTLY INCREASE THE RISK OF FLASH FLOODING. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY IN THESE AREAS. SOME LOCATIONS WHICH ARE AT HIGHEST RISK OF FLASH FLOODING INCLUDE...FREEDOM...HORTONVILLE AND MACKVILLE. 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, 3:05 PM CDT | Flash Flood Warning | GRB | Calumet | 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.