Alert archive / Wisconsin / Flash Flood Warnings in 2003
Flash Flood Warning 4, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Jul 30, 2003, 6:53 PM CDT for Waupaca 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
- Jul 30, 2003, 6:53 PM CDT (23:53 UTC)
- Expired
- Jul 30, 2003, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Waupaca County, WI
The radar
The Green Bay radar (KGRB), 71 km from the middle of the area, began a volume at 23:53 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, 11.9 hours before the alert went out and 72 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 302357 FFWGRB WIC135-310300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 653 PM CDT WED JUL 30 2003 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... WAUPACA COUNTY IN WISCONSIN * UNTIL 1000 PM CDT * AT 653 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS WERE CENTERED NEAR BIG FALLS...OR 16 MILES NORTH OF WAUPACA. THE STORMS WERE MOVING NORTHEAST AT 15 MPH...WITH MORE STORMS EXPECTED TO MOVE INTO THE AREA THIS EVENING. * RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN OVER THE NORTHERN HALF OF THE COUNTY. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...BIG FALLS AND CLINTONVILLE. 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 4457 8916 4450 8898 4459 8873 4466 8895 $$ HELMAN
4 follow-up statements
000 WGUS73 KGRB 310056 FFSGRB WIC135-310300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 755 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WAUPACA COUNTY... AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS WERE MOVING SLOWLY OVER WAUPACA COUNTY. A FLASH FLOOD WARNING IS IN EFFECT FOR WAUPACA COUNTY UNTIL 10 PM. RADAR ESTIMATES INDICATED THAT UP TO 4 INCHES OF RAIN HAD FALLEN IN THIS AREA. A NATIONAL WEATHER SERVICE SPOTTER IN THE TOWN OF BIG FALLS HAS REPORTED 4 INCHES OF RAIN AS OF 730 PM. THE MOVEMENT OF THE STORMS WILL PRODUCE ANOTHER 1 TO 2 INCHES OF RAIN IN THIS AREA. LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING WILL MAINLY BE NORTH OF HIGHWAY 161 INCLUDING THE TOWNS OF BIG FALLS AND NORTHLAND. RIVER TRIBUTARIES OF THE LITTLE WOLF AND BLAKE RIVERS MAY ALSO SEE RAPID RISES THIS EVENING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. $$ HELMAN
000 WGUS73 KGRB 310123 FFSGRB WIC015-071-139-310315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 825 PM CDT WED JUL 30 2003 ...SERIOUS FLOODING SITUATION ACROSS EAST-CENTRAL WISCONSIN... AT 813 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO DETECT THUNDERSTORMS WITH VERY HEAVY RAIN. THE STORMS EXTENDED FROM NORTHERN CALUMET COUNTY INTO SOUTHERN BROWN AND NORTHERN MANITOWOC COUNTIES. A FLASH FLOOD WARNING IS IN EFFECT FOR NORTHERN AND CENTRAL MANITOWOC...NORTHERN AND CENTRAL CALUMET...AND NORTHERN WINNEBAGO COUNTIES UNTIL 1015 PM. OTHER THUNDERSTORMS WERE ACROSS OUTAGAMIE AND NORTHERN BROWN COUNTIES. FLASH FLOOD WARNINGS FOR OUTAGAMIE AND BROWN COUNTIES ARE IN EFFECT UNTIL 1115 PM. WEATHER OBSERVERS AND DOPPLER RADAR INDICATE AS MUCH AS 4 TO 7 INCHES OF RAIN HAD FALLEN IN THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER AREAS WHICH ALREADY FLOODING. ANOTHER 2 TO 3 INCHES OF RAIN IS LIKELY IN THE WARNING AREA. 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. $$ JKL
000 WGUS73 KGRB 310206 FFSGRB WIC135-310300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 904 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WAUPACA COUNTY... AT 904 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH TORRENTIAL RAIN OVER SOUTHERN WAUPACA COUNTY. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR WAUPACA COUNTY. RADAR ESTIMATES INDICATED THAT UP TO 5 INCHES OF RAIN HAD FALLEN OVER NORTHERN PORTIONS OF WAUPACA COUNTY NEAR THE BIG FALLS AREA EARLIER THIS EVENING. THE STORMS WITH THE HEAVIEST RAINFALL HAD MOVED SOUTH OF THIS AREA INTO SOUTHERN WAUPACA COUNTY. THROUGH 10 PM LOCATIONS WHICH COULD SEE URBAN FLOODING INCLUDE ROYALTON AND WEYAUWEGA. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. $$ HELMAN
000 WGUS73 KGRB 310244 FFSGRB WIC135-310315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 939 PM CDT WED JUL 30 2003 ...FLASH FLOOD WARNING FOR WAUPACA COUNTY CANCELED... AT 939 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS MOVING OVER SOUTHERN WAUPACA COUNTY. THE STORMS HAD WEAKENDED AND ALSO CONTINUE TO MOVE SOUTHEAST AT 25 MPH. THE FLASH FLOOD WARNING WHICH HAD BEEN IN EFFECT FOR WAUPACA COUNTY HAS BEEN CANCELED. CAUTION IS STILL ADVISED AS WATER MAY STILL BE COVERING PORTIONS OF AREA ROADS THIS EVENING. $$ HELMAN
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, 6:16 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 |
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.