Alert archive / Wisconsin / Flash Flood Warnings in 2015
Flash Flood Warning 3, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Sep 8, 2015, 8:56 AM CDT for 6 counties in Wisconsin. It was in force for 3 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 8, 2015, 8:56 AM CDT (13:56 UTC)
- Expired
- Sep 8, 2015, 11:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brown County, WI, Calumet County, WI, Kewaunee County, WI, Manitowoc County, WI, Outagamie County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 18 km from the middle of the area, began a volume at 13:55 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 8, 9:20 AM CDT | FLOOD | Green Bay, WI | URBAN STREET FLOODING ON MAIN ST AND ADAMS ST. FLOODING OVER THE CURBS. |
| Sep 8, 9:27 AM CDT | HEAVY RAIN 2 | Chilton, WI | STORM TOTAL SO FAR. |
| Sep 8, 9:43 AM CDT | HEAVY RAIN 1.1 | 1 Ese Green Bay, WI | STORM TOTAL SO FAR. REPORT VIA SOCIAL MEDIA. |
| Sep 8, 11:05 AM CDT | HEAVY RAIN 3.5 | Allouez, WI | 3.50 INCHES OF RAIN IN 2 HOURS. STILL RAINING. |
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, 1.9 hours before the alert went out and 16 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
- 890 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
982
WGUS53 KGRB 081356
FFWGRB
WIC009-015-061-071-087-139-081645-
/O.NEW.KGRB.FF.W.0003.150908T1356Z-150908T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
856 AM CDT TUE SEP 8 2015
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MANITOWOC COUNTY IN EAST CENTRAL WISCONSIN...
BROWN COUNTY IN NORTHEASTERN WISCONSIN...
OUTAGAMIE COUNTY IN NORTHEASTERN WISCONSIN...
CALUMET COUNTY IN EAST CENTRAL WISCONSIN...
WINNEBAGO COUNTY IN EAST CENTRAL WISCONSIN...
KEWAUNEE COUNTY IN NORTHEASTERN WISCONSIN...
* UNTIL 1145 AM CDT
* AT 851 AM CDT...DOPPLER RADAR INDICATED BANDS OF SHOWERS AND
STORMS WITH HEAVY RAIN MOVING ACROSS THE WARNED AREA. UP TO TWO
INCHES OF RAIN HAVE ALREADY FALLEN SO FAR OVER PORTIONS OF EAST
CENTRAL WISCONSIN. ADDITIONAL HEAVY RAIN MAY LEAD TO FLASH
FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GREEN BAY...APPLETON...OSHKOSH...MANITOWOC...KEWAUNEE...MENASHA...
KAUKAUNA...LITTLE CHUTE...NEW LONDON...KIMBERLY...CHILTON...
PULASKI...ALGOMA...BRILLION...LUXEMBURG...DENMARK...CLEVELAND...
BLACK CREEK...VALDERS AND ST. NAZIANZ.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4390 8889 4424 8889 4424 8874 4459 8874
4459 8825 4467 8825 4467 8798 4459 8798
4462 8801 4457 8804 4454 8794 4467 8774
4466 8738 4432 8755 4419 8751 4411 8764
4389 8773 4394 8840 4389 8840
$$
TDH3 follow-up statements
578
WGUS73 KGRB 081450
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
950 AM CDT TUE SEP 8 2015
WIC009-015-061-071-087-139-081645-
/O.CON.KGRB.FF.W.0003.000000T0000Z-150908T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MANITOWOC WI-BROWN WI-OUTAGAMIE WI-CALUMET WI-WINNEBAGO WI-
KEWAUNEE WI-
950 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
MANITOWOC...BROWN...OUTAGAMIE...CALUMET...WINNEBAGO AND KEWAUNEE
COUNTIES...
AT 942 AM CDT...DOPPLER RADAR INDICATED BANDS OF SHOWERS AND STORMS
WITH HEAVY RAIN WILL CONTINUE TO MOVE ACROSS THE WARNED AREA.
BETWEEN ONE TO TWO INCHES OF RAIN HAVE ALREADY FALLEN THIS MORNING.
ANOTHER BAND OF HEAVY RAINFALL OVER WAUSHARA AND WAUPACA COUNTIES
WILL TRACK INTO WINNEBAGO AND CALUMET COUNTIES BY 10 AM AND SLOWLY
MOVE ACROSS THE REST OF EAST CENTRAL WISCONSIN DURING THE REST
OF THIS MORNING.
MINOR FLOODING HAS ALREADY BEEN REPORTED WITH EARLIER HEAVY
RAINFALL. THE ADDITIONAL RAINFALL WILL LEAD TO RAPID RUNOFF AND
POSSIBLE FLASH FLOODING.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY. DO NOT DRIVE IN FLOODED AREAS. RUNOFF MAY BE
FASTER NEAR ROAD CONSTRUCTION AREAS.
&&
LAT...LON 4390 8889 4424 8889 4424 8874 4459 8874
4459 8825 4467 8825 4467 8798 4459 8798
4462 8801 4457 8804 4454 8794 4467 8774
4466 8738 4432 8755 4419 8751 4411 8764
4389 8773 4394 8840 4389 8840
$$
TDH696
WGUS73 KGRB 081543
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1043 AM CDT TUE SEP 8 2015
WIC009-015-061-071-087-139-081645-
/O.CON.KGRB.FF.W.0003.000000T0000Z-150908T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MANITOWOC WI-BROWN WI-OUTAGAMIE WI-CALUMET WI-WINNEBAGO WI-
KEWAUNEE WI-
1043 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
MANITOWOC...BROWN...OUTAGAMIE...CALUMET...WINNEBAGO AND KEWAUNEE
COUNTIES...
AT 1040 AM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. ONE TO TWO INCHES OF RAIN HAVE ALREADY FALLEN WITH
LOCALLY HIGHER AMOUNTS. ISOLATED REPORTS OF FLASH FLOODING HAS
OCCURRED OVER THE WARNED AREA.
ADDITIONAL RAINFALL AMOUNTS OF ONE-HALF TO ONE INCH ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4390 8889 4424 8889 4424 8874 4459 8874
4459 8825 4467 8825 4467 8798 4459 8798
4462 8801 4457 8804 4454 8794 4467 8774
4466 8738 4432 8755 4419 8751 4411 8764
4389 8773 4394 8840 4389 8840
$$
AK211
WGUS73 KGRB 081639
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1139 AM CDT TUE SEP 8 2015
WIC009-015-061-071-087-139-081646-
/O.EXP.KGRB.FF.W.0003.000000T0000Z-150908T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MANITOWOC WI-BROWN WI-OUTAGAMIE WI-CALUMET WI-WINNEBAGO WI-
KEWAUNEE WI-
1139 AM CDT TUE SEP 8 2015
...THE FLASH FLOOD WARNING FOR MANITOWOC...BROWN...OUTAGAMIE...
CALUMET...WINNEBAGO AND KEWAUNEE COUNTIES WILL EXPIRE AT 1145 AM
CDT...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. HOWEVER...SCATTERED RAIN SHOWERS WILL LINGER OVER THE
AREA THROUGH MIDDAY. MOTORISTS SHOULD KEEP ALERT TO FLOODED
INTERSECTIONS OR OTHER PONDING ON AREA ROADWAYS UNTIL THE WATER HAS
HAD A CHANCE TO RECEDE.
LAT...LON 4390 8889 4424 8889 4424 8874 4459 8874
4459 8825 4467 8825 4467 8798 4459 8798
4462 8801 4457 8804 4454 8794 4467 8774
4466 8738 4432 8755 4419 8751 4411 8764
4389 8773 4394 8840 4389 8840
$$
AKThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 4:00 AM CDT | Flash Flood Watch | GRB | Brown, Calumet, Door, Kewaunee, Manitowoc, Marathon and 9 more | 8 hr |
| Sep 8, 7:25 AM CDT | Areal Flood Advisory | GRB | Portage, Waushara, Wood | 3 hr |
| Sep 8, 8:40 AM CDT | Areal Flood Advisory | GRB | Brown, Calumet, Kewaunee, Manitowoc, Outagamie, Shawano and 3 more | 20 min |
| Sep 8, 9:00 AM CDT | Areal Flood Advisory | GRB | Menominee, Oconto, Shawano, Waupaca, Waushara | 3 hr |
| Sep 8, 10:15 AM CDT | River Flood Warning | GRB | Wood | 35 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2015Every flash flood warning in 2015
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.