Alert archive / Wisconsin / Flash Flood Warnings in 2003
Flash Flood Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Jul 30, 2003, 4:25 PM CDT for Outagamie 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 outline as issued.
The facts
- Issued
- Jul 30, 2003, 4:25 PM CDT (21:25 UTC)
- Expired
- Jul 30, 2003, 8:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Outagamie County, WI
The radar
The Green Bay radar (KGRB), 29 km from the middle of the area, began a volume at 21:28 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, 9.4 hours before the alert went out and 30 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 302127 FFWGRB WIC087-310130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 425 PM CDT WED JUL 30 2003 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... OUTAGAMIE COUNTY IN WISCONSIN * UNTIL 830 PM CDT * AT 425 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS WERE CENTERED NEAR SEYMOUR...OR 17 MILES WEST OF GREEN BAY. THE STORMS WERE MOVING NORTHEAST AT 20 MPH. * RADAR ESTIMATES INDICATED THAT UP TO 4 INCHES OF RAIN HAD FALLEN IN THIS AREA. NEW THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE OVER THE SAME GENERAL AREA. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...BINGHAMTON...BLACK CREEK...SEYMOUR...LEEMAN AND NICHOLS. 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. LAT...LON 4458 8864 4432 8869 4443 8821 4460 8820 $$ ECKBERG
4 follow-up statements
000 WGUS73 KGRB 302222 FFSGRB WIC087-310130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 521 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OUTAGAMIE COUNTY... AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN ACROSS EASTERN OUTAGAMIE COUNTY FROM FREEDOM TO APPLETON TO KAUKAUNA. THE STORMS WERE MOVING NORTHEAST AT 30 MPH. THE STORMS WILL CONTINUE TO PRODUCE TORRENTIAL RAIN FOR THE AFTERNOON RUSH HOUR IN FREEDOM...KIMBERLY... APPLETON...LITTLE CHUTE...AND KAUKAUNA...AND WILL PRODUCE STREET FLOODING AS THEY PASS THROUGH THE AREA. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR OUTAGAMIE COUNTY UNTIL 830 PM. STREET FLOODING WAS REPORTED AT APPLETON...WITH 6 TO 8 INCHES OF WATER ON THE ROADS AT 515 PM. $$ ECKBERG
000 WGUS73 KGRB 302344 FFSGRB WIC087-310130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 642 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OUTAGAMIE COUNTY... AT 642 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE CLUSTER OF STORMS EXTENDED FROM SOUTH OF APPLETON EAST TO KAUKAUNA. THE STORMS WERE MOVING EAST AT 5 MPH. THE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN. A FLASH FLOOD WARNING IS IN EFFECT FOR OUTAGAMIE COUNTY UNTIL 830 PM. SURFACE REPORTS INDICATED THAT UP TO 5 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 IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...APPLETON...KAUKAUNA...KIMBERLY AND LITTLE CHUTE. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. $$ KALLAS
000 WGUS73 KGRB 310024 FFSGRB WIC087-310130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 721 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OUTAGAMIE COUNTY... AT 721 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE LEADING EDGE OF ADDITIONAL STORMS WERE JUST SOUTH OF APPLETON. THE STORMS WERE MOVING NORTHEAST AT 20 MPH. THE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN AND AGGRAVATE THE FLOODING SITUATION. A FLASH FLOOD WARNING IS IN EFFECT FOR OUTAGAMIE COUNTY UNTIL 830 PM. RADAR ESTIMATES INDICATED THAT UP TO 5 INCHES OF RAIN HAD FALLEN IN THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER INCH OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...COMBINED LOCKS...KIMBERLY...LITTLE CHUTE... APPLETON AND KAUKAUNA. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. $$ KALLAS
000 WGUS73 KGRB 310101 FFSGRB WIC087-310130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 758 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR OUTAGAMIE COUNTY... AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS EXTENDED FROM EMBARRASS TO BLACK CREEK TO HORTONVILLE. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. THE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN. A FLASH FLOOD WARNING IS IN EFFECT FOR OUTAGAMIE COUNTY UNTIL 830 PM. RADAR ESTIMATES INDICATED THAT UP TO 5 INCHES OF RAIN HAD FALLEN ACROSS CENTRAL OUTAGAMIE COUNTY. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER INCH OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...BINGHAMTON...BLACK CREEK...BRIARTON...LEEMAN AND NICHOLS. 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. $$ KALLAS
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, 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, 6:16 PM CDT | Flash Flood Warning | GRB | Calumet, Winnebago | 74 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.