Alert archive / Wisconsin / Flash Flood Warnings in 2015
Flash Flood Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Sep 7, 2015, 1:40 AM CDT for Portage County, Wood County, Wisconsin. It was in force for 4 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 7, 2015, 1:40 AM CDT (06:40 UTC)
- Expired
- Sep 7, 2015, 5:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Portage County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 133 km from the middle of the area, began a volume at 06:42 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 7, 3:51 AM CDT | HEAVY RAIN 3.16 | Stevens Point, WI | HIGHWAY 10 AND HIGHWAY 39 CORRIDOR. |
| Sep 7, 4:02 AM CDT | HEAVY RAIN 4.96 | Marshfield, WI | |
| Sep 7, 4:34 AM CDT | HEAVY RAIN 2.47 | Plover, WI | |
| Sep 7, 5:08 AM CDT | HEAVY RAIN 2.31 | Rosholt, 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, 6.7 hours before the alert went out and 142 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
- 870 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1510 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
941
WGUS53 KGRB 070640
FFWGRB
WIC097-141-071045-
/O.NEW.KGRB.FF.W.0002.150907T0640Z-150907T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
140 AM CDT MON SEP 7 2015
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WOOD COUNTY IN CENTRAL WISCONSIN...
PORTAGE COUNTY IN CENTRAL WISCONSIN...
* UNTIL 545 AM CDT
* AT 138 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. DOPPLER RADAR AND OBSERVATIONS
INDICATED THAT 2 TO 4 INCHES OF RAIN HAS FALLEN ACROSS NORTHERN
WOOD INTO NORTHWEST PORTAGE COUNTIES.
THUNDERSTORMS CONTINUE TO TRAIN ACROSS THE WARNED AREA...WITH ANOTHER 1
TO 2 INCHES OF RAIN POSSIBLE BEFORE THE STORMS TAPER OFF LATER THIS
MORNING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
STEVENS POINT...WISCONSIN RAPIDS...MARSHFIELD...RANDOLPH...
WHITING...AMHERST...PITTSVILLE...PLOVER...STOCKTON...BIRON...
HEWITT...SHERRY...AUBURNDALE...JORDAN...VESPER...ROSHOLT...PARK
RIDGE...RUDOLPH...JUNCTION CITY AND AMHERST JUNCTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4468 9032 4468 8923 4439 8922 4441 9032
$$
ECKBERG3 follow-up statements
289 WGUS73 KGRB 070740 FFSGRB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 240 AM CDT MON SEP 7 2015 WIC097-141-071045- /O.CON.KGRB.FF.W.0002.000000T0000Z-150907T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WOOD WI-PORTAGE WI- 240 AM CDT MON SEP 7 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR NORTHERN WOOD AND PORTAGE COUNTIES... AT 240 AM CDT...DOPPLER RADAR ESTIMATED THAT 2 TO 5 INCHES OF RAIN HAS FALLEN DURING THE PAST DAY...WITH MOST OF THE RAIN OCCURRING SUNDAY EVENING INTO EARLY MONDAY MORNING. ALMOST FIVE INCHES OF RAIN HAS BEEN REPORTED AT THE MARSHFIELD AIRPORT. ADDITIONAL SHOWERS AND THUNDERSTORMS CONTINUED ACROSS THE WARNED AREA EARLY THIS MORNING. SOME LOCATIONS COULD SEE ANOTEHR 1 TO 2 INCHES BEFORE THE RAIN TAPERS OFF LATER THIS MORNING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... STEVENS POINT...WISCONSIN RAPIDS...MARSHFIELD...RANDOLPH...WHITING... AMHERST...PITTSVILLE...PLOVER...STOCKTON...BIRON...HEWITT...SHERRY... AUBURNDALE...JORDAN...VESPER...ROSHOLT...PARK RIDGE...RUDOLPH... JUNCTION CITY AND AMHERST JUNCTION. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 4468 9032 4468 8923 4439 8922 4441 9032 $$ ECKBERG
359 WGUS73 KGRB 070900 FFSGRB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 400 AM CDT MON SEP 7 2015 WIC097-141-071045- /O.CON.KGRB.FF.W.0002.000000T0000Z-150907T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WOOD WI-PORTAGE WI- 400 AM CDT MON SEP 7 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR NORTHERN WOOD AND PORTAGE COUNTIES... AT 358 AM CDT...DOPPLER RADAR INDICATED THE CLUSTER OF SHOWERS AND THUNDERSTORMS TAPERED OFF TO SCATTERED SHOWERS AND PERHAPS A THUNDERSTORMS ACROSS THE WARNED AREA. DOPPLER RADAR AND RAINFALL REPORTS INDICATED THAT 3 TO 5 INCHES OF RAIN HAD FALLEN ACROSS NORTHERN SECTIONS OF WOOD AND PORTAGE COUNTIES. ALTHOUGH THE RAIN HAS DIMINISHED...RUNOFF FROM THE HEAVY RAIN WAS STILL OCCURRING. RIVERS...CREEKS AND STREAMS WILL CONTINUE TO RISE THIS MORNING. IF YOU ENCOUNTER FLOODING THIS MORNING...TURN AROUND AND FIND AN ALTERNATE ROUTE TO WORK OR SCHOOL. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 4468 9032 4468 8923 4439 8922 4441 9032 $$ ECKBERG
326 WGUS73 KGRB 070950 FFSGRB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 450 AM CDT MON SEP 7 2015 WIC097-141-070958- /O.CAN.KGRB.FF.W.0002.000000T0000Z-150907T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WOOD WI-PORTAGE WI- 450 AM CDT MON SEP 7 2015 ...THE FLASH FLOOD WARNING WOOD AND PORTAGE COUNTIES IS CANCELLED... THE SHOWERS AND STORMS HAVE DIMINISHED THIS MORNING...AND FLOOD WATERS HAVE RECEDED AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. LAT...LON 4468 9032 4468 8923 4439 8922 4441 9032 $$ ECKBERG
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 8:24 PM CDT | Special Weather Statement | GRB | Marathon | 51 min |
| Sep 6, 9:44 PM CDT | Areal Flood Advisory | GRB | Lincoln, Marathon, Portage, Wood | 5 hr |
| Sep 6, 10:04 PM CDT | Special Weather Statement | GRB | Wood | 56 min |
| Sep 6, 10:57 PM CDT | Special Weather Statement | GRB | Vilas | 63 min |
| Sep 6, 11:26 PM CDT | Special Weather Statement | GRB | Portage | 64 min |
| Sep 6, 11:50 PM CDT | Special Weather Statement | GRB | Florence, Vilas | 55 min |
| Sep 7, 2:26 AM CDT | River Flood Warning | GRB | Marathon | 7 hr |
| Sep 7, 4:45 PM CDT | Marine Dense Fog Advisory | GRB | 24 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.