Alert archive / Wisconsin / Flash Flood Warnings in 2007
Flash Flood Warning 1, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Jul 26, 2007, 4:20 PM CDT for Waupaca County, Wisconsin. It was in force for 115 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 26, 2007, 4:20 PM CDT (21:20 UTC)
- Expired
- Jul 26, 2007, 6:15 PM CDT
- In force
- 115 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Waupaca County, WI
The radar
The Green Bay radar (KGRB), 68 km from the middle of the area, began a volume at 21:21 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 4:34 PM CDT | HEAVY RAIN 4.8 | Iola, WI | RAINFALL THIS AFTERNOON. STREET FLOODING REPORTED IN IOLA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.3 hours before the alert went out and 69 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
- 1156 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KGRB 262121 FFWGRB WIC135-262315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 420 PM CDT THU JUL 26 2007 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN WAUPACA COUNTY IN NORTHEAST WISCONSIN * UNTIL 615 PM CDT * AT 417 PM...DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A LARGE STATIONARY THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IMPACTED INCLUDE... NORTHLAND...IOLA...SCANDINAVIA AND BIG FALLS. 2 TO 3 INCHES OF RAINFALL HAS ALREADY FALLEN ACROSS THE WARNED AREA. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE LIKELY ACROSS WESTERN WAUPACA COUNTY...AS NEW THUNDERSTORMS DEVELOP AND MOVE OVER THE SAME GENERAL AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 4468 8900 4468 8922 4424 8922 4426 8900 $$ KURIMSKI
3 follow-up statements
000 WGUS73 KGRB 262211 FFSGRB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 510 PM CDT THU JUL 26 2007 WIC135-262315- WAUPACA- 510 PM CDT THU JUL 26 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WESTERN WAUPACA COUNTY... AT 507 PM...DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN. A NEW STORM WAS LOCATED 12 MILES NORTHWEST OF WAUPACA...MOVING SOUTHEAST AT 20 MPH INTO THE WARNING AREA. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY WITH THE NEW THUNDERSTORM. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 4468 8900 4468 8922 4424 8922 4426 8900 $$ JKL
000 WGUS73 KGRB 262257 FFSGRB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 554 PM CDT THU JUL 26 2007 WIC135-262315- WAUPACA- 554 PM CDT THU JUL 26 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WESTERN WAUPACA COUNTY... AT 550 PM...DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN. THIS STORM WAS LOCATED 6 MILES NORTHWEST OF WAUPACA...MOVING SOUTHEAST AT 15 MPH. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY WITH THIS STORM. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. IF YOU ENCOUNTER A FLOODED ROAD...TURN AROUND. DONT ATTEMPT TO DRIVE THROUGH A FLOODED ROADWAY. LAT...LON 4468 8900 4468 8922 4424 8922 4426 8900 $$ JKL
000 WGUS73 KGRB 262325 FFSGRB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 624 PM CDT THU JUL 26 2007 WIC135-262334- WAUPACA- 624 PM CDT THU JUL 26 2007 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR WAUPACA COUNTY... THE HEAVIEST RAIN HAS ENDED...BUT ADDITIONAL STORMS WERE LOCATED OVER EASTERN PORTAGE COUNTY. STAY TUNED TO LOCAL RADIO...TV...AND NOAA WEATHER RADIO FOR LATER STATEMENTS ON THIS WEATHER SITUATION. LAT...LON 4468 8900 4468 8922 4424 8922 4426 8900 $$ JKL
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:59 PM CDT | Severe Thunderstorm Warning | GRB | Marathon | 34 min |
| Jul 26, 3:13 PM CDT | Severe Thunderstorm Warning | GRB | Waupaca | 47 min |
| Jul 26, 4:16 PM CDT | Severe Thunderstorm Warning | GRB | Waupaca | 26 min |
| Jul 26, 4:38 PM CDT | Flash Flood Warning | GRB | Lincoln, Oneida | 2 hr |
| Jul 26, 5:06 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca | 39 min |
| Jul 26, 6:25 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waushara | 65 min |
| Jul 26, 6:45 PM CDT | Marine Weather Statement | GRB | 90 min |
Nearby
Flash Flood Warnings in Wisconsin, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.