Alert archive / Wisconsin / Flash Flood Warnings in 2014
Flash Flood Warning 4, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Aug 18, 2014, 5:30 PM CDT for 4 counties in Wisconsin. It was in force for 3 hr. 2 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
- Aug 18, 2014, 5:30 PM CDT (22:30 UTC)
- Expired
- Aug 18, 2014, 8:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Portage County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 114 km from the middle of the area, began a volume at 22:29 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 |
|---|---|---|---|
| Aug 18, 5:32 PM CDT | FLASH FLOOD | Nekoosa, WI | STREET FLOODING UP TO CAR DOORS ON WOOD AVE. |
| Aug 18, 5:50 PM CDT | HEAVY RAIN 0.76 | Plover, WI | TEN MINUTE RAINFALL OF 0.76 INCHES FROM 540 PM TO 550 PM. STORM TOTAL AS OF 550 PM IS 2.87 INCHES. |
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, 10.5 hours before the alert went out and 114 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
089
WGUS53 KGRB 182230
FFWGRB
WIC097-135-137-141-190130-
/O.NEW.KGRB.FF.W.0004.140818T2230Z-140819T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
530 PM CDT MON AUG 18 2014
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN PORTAGE COUNTY IN CENTRAL WISCONSIN...
SOUTHERN WAUPACA COUNTY IN NORTHEAST WISCONSIN...
WAUSHARA COUNTY IN CENTRAL WISCONSIN...
WOOD COUNTY IN CENTRAL WISCONSIN...
* UNTIL 830 PM CDT
* AT 529 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
WAUPACA...WAUTOMA...WISCONSIN RAPIDS...AMHERST...BABCOCK...
FREMONT...HARTMAN CREEK STATE PARK...PITTSVILLE...PLAINFIELD...
REDGRANITE AND WHITING.
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.
&&
LAT...LON 4452 9032 4448 8877 4424 8881 4424 8889
4398 8889 4398 8947 4400 8960 4424 8961
4425 9032
$$
RDM2 follow-up statements
920
WGUS73 KGRB 182335
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
635 PM CDT MON AUG 18 2014
WIC141-182349-
/O.CAN.KGRB.FF.W.0004.000000T0000Z-140819T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WOOD WI-
635 PM CDT MON AUG 18 2014
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN WOOD
COUNTY IS CANCELLED...
HEAVY RAINS HAVE ENDED FOR THE TIME BEING. ADDITIONAL RAINFALL IS
POSSIBLE LATER TONIGHT.
LAT...LON 4398 8947 4400 8960 4422 8952 4433 8935
4436 8886 4425 8881 4424 8888 4424 8889
4398 8889
$$
WIC097-135-137-190130-
/O.CON.KGRB.FF.W.0004.000000T0000Z-140819T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAUSHARA WI-WAUPACA WI-PORTAGE WI-
635 PM CDT MON AUG 18 2014
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PORTAGE...
SOUTHWESTERN WAUPACA AND WAUSHARA COUNTIES UNTIL 830 PM CDT...
AT 634 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLASH FLOODING INCLUDE...
WAUPACA...WAUTOMA...FREMONT...HARTMAN CREEK STATE PARK...PLAINFIELD
AND REDGRANITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4398 8947 4400 8960 4422 8952 4433 8935
4436 8886 4425 8881 4424 8888 4424 8889
4398 8889
$$
RDM969
WGUS73 KGRB 190030
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
730 PM CDT MON AUG 18 2014
WIC097-135-137-190045-
/O.CAN.KGRB.FF.W.0004.000000T0000Z-140819T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAUSHARA WI-WAUPACA WI-PORTAGE WI-
730 PM CDT MON AUG 18 2014
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN
PORTAGE...SOUTHWESTERN WAUPACA AND WAUSHARA COUNTIES IS CANCELLED...
THE HEAVIEST RAIN HAS ENDED OVER THE WARNED AREA. ADDITIONAL RAIN IS
POSSIBLE LATER TONIGHT.
LAT...LON 4398 8947 4400 8960 4422 8952 4433 8935
4436 8886 4425 8881 4424 8888 4424 8889
4398 8889
$$
RDMThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 3:08 PM CDT | Areal Flood Advisory | GRB | Brown, Outagamie, Portage, Shawano, Waupaca, Wood | 3 hr |
| Aug 18, 3:27 PM CDT | Flash Flood Warning | GRB | Portage, Waupaca | 3 hr |
| Aug 18, 3:53 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Waupaca | 19 min |
| Aug 18, 4:30 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Winnebago | 30 min |
| Aug 18, 5:27 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Waushara, Wood | 48 min |
| Aug 18, 5:55 PM CDT | Special Marine Warning | GRB | 95 min | |
| Aug 18, 6:21 PM CDT | Areal Flood Advisory | GRB | Brown, Calumet, Manitowoc, Outagamie, Winnebago | 3 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2014Every flash flood warning in 2014
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.