Alert archive / Wisconsin / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at May 3, 2012, 2:13 AM CDT for Calumet County, Manitowoc County, Wisconsin. It was in force for 6 hr. 3 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
- May 3, 2012, 2:13 AM CDT (07:13 UTC)
- Expired
- May 3, 2012, 7:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Calumet County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 49 km from the middle of the area, began a volume at 07:17 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 |
|---|---|---|---|
| May 3, 2:28 AM CDT | FLOOD | 1 N Stockbridge, WI | FLASH FLOODING OCCURRING IN STOCKBRIDGE AT THE CORNER OF ENTERPRISE STREET AND MILITARY ROAD. WATER COVERS APPROXIMATELY A 400 FOOT STRETCH OF ROAD. |
| May 3, 7:06 AM CDT | HEAVY RAIN 2.51 | Two Rivers, WI | OVERNIGHT THROUGH 7 AM. |
| May 3, 7:15 AM CDT | HEAVY RAIN 3.12 | Francis Creek, WI |
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 00:00Z, 7.2 hours before the alert went out and 47 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
- 86 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1790 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
116
WGUS53 KGRB 030713
FFWGRB
WIC015-071-031100-
/O.NEW.KGRB.FF.W.0002.120503T0713Z-120503T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
213 AM CDT THU MAY 3 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CALUMET COUNTY IN EAST CENTRAL WISCONSIN...
MANITOWOC COUNTY IN EAST CENTRAL WISCONSIN...
* UNTIL 600 AM CDT
* AT 209 AM CDT...DOPPLER RADAR AND LOCAL LAW ENFORCEMENT OFFICIALS
REPORTED THUNDERSTORMS WITH TORRENTIAL RAINFALL MOVING ACROSS
CALUMET AND MANITOWOC COUNTIES. RAINFALL AMOUNTS OF 1 TO 2 INCHES
HAVE ALREADY FALLEN ACROSS PARTS OF THE AREA...WITH THE HEAVIEST
AMOUNTS OVER NORTHERN CAULMET COUNTY. AN ADDITIONAL 1 TO 2 INCHES
OF RAIN IS POSSIBLE THROUGH DAYBREAK.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR...ESPECIALLY IN URBAN AREAS. SOME LOCATIONS THAT WILL
EXPERIENCE FLOODING INCLUDE...MANITOWOC...BRILLION...CHILTON...
CLEVELAND...ST ANNA...TWO RIVERS AND VALDERS.
LAW ENFORCEMENT HAS ALREADY REPORTED FLOODING IN BRILLION...WHERE
SOME ROADS HAVE BEEN BARRICADED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
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.
&&
LAT...LON 4393 8817 4394 8837 4424 8833 4423 8787
4432 8787 4432 8754 4423 8750 4419 8750
4414 8756 4410 8764 4405 8764 4404 8766
4389 8773 4389 8816
$$
KIECKBUSCH4 follow-up statements
907
WGUS73 KGRB 030753
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
253 AM CDT THU MAY 3 2012
WIC015-071-031100-
/O.CON.KGRB.FF.W.0002.000000T0000Z-120503T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALUMET WI-MANITOWOC WI-
253 AM CDT THU MAY 3 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MANITOWOC AND CALUMET
COUNTIES UNTIL 600 AM CDT...
AT 246 AM CDT...THE CALUMET COUNTY SHERIFF DEPARTMENT REPORTED THAT
FLASH FLOODING WAS OCCURRING IN CHILTON...BRILLION...STOCKBRIDGE AND
ON HIGHWAY 57 SOUTH OF HILBERT. HEAVY RAINFALL WAS OCCURRING IN
MANITOWOC COUNTY...BUT NO RECENT REPORTS OF FLOODING WERE AVAILABLE
AT THIS TIME.
SOME LOCATIONS THAT WILL CONTINUE TO EXPERIENCE FLASH FLOODING
INCLUDE...MANITOWOC...BRILLION...CHILTON...CLEVELAND...ST ANNA...TWO
RIVERS...STOCKBRIDGE AND VALDERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE SIGNIFICANT FLOODING OF
SMALL CREEKS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES...
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. THIS IS A DANGEROUS SITUATION...SO MOTORISTS SHOULD USE
EXTREME CAUTION.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GREEN BAY.
&&
LAT...LON 4393 8817 4394 8837 4424 8833 4423 8787
4432 8787 4432 8754 4423 8750 4419 8750
4414 8756 4410 8764 4405 8764 4404 8766
4389 8773 4389 8816
$$
KIECKBUSCH727
WGUS53 KGRB 031010
FFWGRB
WIC015-071-031400-
/O.EXT.KGRB.FF.W.0002.000000T0000Z-120503T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
510 AM CDT THU MAY 3 2012
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
CALUMET COUNTY IN EAST CENTRAL WISCONSIN...
MANITOWOC COUNTY IN EAST CENTRAL WISCONSIN...
* UNTIL 900 AM CDT
* AT 505 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING ACROSS THE WARNED AREA. THE TOWN OF HILBERT IN CALUMET
COUNTY IS NEARLY IMPASSABLE DUE TO HIGH WATER ON LOCAL ROADWAYS.
THE TOWN OF ROCKWOOD IN MANITOWOC COUNTY HAS SHUTDOWN ACCESS TO
THE TOWN DUE TO HIGH WATER. DOPPLER RADAR INDICATED THAT ADDITIONAL
SHOWERS AND THUNDERSTORMS WILL MOVE THROUGH THE WARNED AREA WITH
ANOTHER INCH OF RAINFALL POSSIBLE.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...MANITOWOC...
BRILLION...CHILTON...CLEVELAND...ST ANNA...TWO CREEKS AND VALDERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN GREEN
BAY.
&&
LAT...LON 4393 8817 4394 8837 4424 8833 4423 8787
4432 8787 4432 8754 4423 8750 4419 8750
4414 8756 4410 8764 4405 8764 4404 8766
4389 8773 4389 8816
$$
KALLAS294
WGUS73 KGRB 031048
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
548 AM CDT THU MAY 3 2012
WIC015-071-031400-
/O.CON.KGRB.FF.W.0002.000000T0000Z-120503T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALUMET WI-MANITOWOC WI-
548 AM CDT THU MAY 3 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MANITOWOC AND CALUMET
COUNTIES UNTIL 900 AM CDT...
AT 546 AM CDT...RADAR INDICATED THAT THE THUNDERSTORMS THAT WERE
PRODUCING THE HEAVY RAIN ACROSS CALUMET AND MANITOWOC COUNTIES HAD
WEAKENED AND SHIFTED EAST OF THE AREA. ADDITIONAL SHOWERS AND STORMS
WERE DEVELOPING BACK TO THE WEST AND WILL LIKELY AFFECT THE AREA A
LITTLE LATER THIS MORNING. BUT CALUMET AND MANITOWOC COUNTIES SHOULD
AT LEAST RECEIVE A TEMPORARY BREAK IN THE RAIN. IN ADDITION...THE
INCOMING STORMS ARE NOT EXPECTED TO PRODUCE THE PERSISTENT HEAVY
RAINS LIKE THE OVERNIGHT STORMS DID.
HOWEVER...RUNOFF FROM THE OVERNIGHT STORMS WILL CONTINUE TO CAUSE
FLASH FLOODING TO OCCUR AND IT WILL TAKE A LITTLE TIME FOR FLOOD
WATERS TO SUBSIDE. SOME LOCATIONS THAT WILL EXPERIENCE FLASH
FLOODING INCLUDE...MANITOWOC...BRILLION...CHILTON...CLEVELAND...ST
ANNA...TWO CREEKS AND VALDERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GREEN BAY.
&&
LAT...LON 4393 8817 4394 8837 4424 8833 4423 8787
4432 8787 4432 8754 4423 8750 4419 8750
4414 8756 4410 8764 4405 8764 4404 8766
4389 8773 4389 8816
$$
SKOWRONSKI098
WGUS73 KGRB 031245
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
745 AM CDT THU MAY 3 2012
WIC015-071-031258-
/O.CAN.KGRB.FF.W.0002.000000T0000Z-120503T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALUMET WI-MANITOWOC WI-
745 AM CDT THU MAY 3 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MANITOWOC AND
CALUMET COUNTIES IS CANCELLED...
FLOODING IN CALUMET COUNTY CONTINUES FROM THE RAINS WHICH FELL
OVERNIGHT. HOWEVER...WITH A LULL IN THE PRECIPITATION OCCURRING
NOW...ADDITIONAL RAPID RISES IN WATER LEVELS ARE NOT EXPECTED. SO
THE FLASH FLOOD WARNING FOR CALUMET COUNTY HAS BEEN REPLACED BY A
FLOOD WARNING.
THE REMAINING FLOODING IN MANITOWOC COUNTY WAS LESS SERIOUS...SO THE
FLASH FLOOD WARNING FOR MANITOWOC COUNTY HAS BEEN CANCELLED.
LAT...LON 4393 8817 4394 8837 4424 8833 4423 8787
4432 8787 4432 8754 4423 8750 4419 8750
4414 8756 4410 8764 4405 8764 4404 8766
4389 8773 4389 8816
$$
SKOWRONSKIThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:55 PM CDT | Marine Dense Fog Advisory | GRB | 8 hr | |
| May 3, 1:48 AM CDT | Flash Flood Warning | GRB | Winnebago | 3 hr |
| May 3, 4:57 AM CDT | Flash Flood Warning | GRB | Winnebago | 3 hr |
| May 3, 5:58 AM CDT | Severe Thunderstorm Warning | GRB | Vilas | 34 min |
| May 3, 7:40 AM CDT | Areal Flood Warning | GRB | Calumet, Winnebago | 4 hr |
| May 3, 7:58 AM CDT | Severe Thunderstorm Warning | GRB | Portage, Waushara | 47 min |
| May 3, 8:08 AM CDT | Areal Flood Advisory | GRB | Portage, Wood | 114 min |
| May 3, 8:37 AM CDT | Severe Thunderstorm Warning | GRB | Waushara | 25 min |
| May 3, 10:12 AM CDT | Areal Flood Advisory | GRB | Brown, Kewaunee, Manitowoc | 80 min |
| May 3, 10:36 AM CDT | Special Marine Warning | GRB | 71 min |
Nearby
Flash Flood Warnings in Wisconsin, 2012Every flash flood warning in 2012
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.