Alert archive / Wisconsin / Flash Flood Warnings in 2014
Flash Flood Warning 3, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Aug 18, 2014, 3:27 PM CDT for Portage County, Waupaca County, Wisconsin. It was in force for 3 hr. 1 report 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, 3:27 PM CDT (20:27 UTC)
- Expired
- Aug 18, 2014, 6:30 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
The radar
The Green Bay radar (KGRB), 86 km from the middle of the area, began a volume at 20:30 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, 4:25 PM CDT | FLASH FLOOD | Waupaca, WI | FLOODING REPORTED IN BASEMENTS AS WELL AS MINOR STREET FLOODING IN DOWNTOWN WAUPACA. |
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, 8.5 hours before the alert went out and 87 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.
558
WGUS53 KGRB 182027
FFWGRB
WIC097-135-182330-
/O.NEW.KGRB.FF.W.0003.140818T2027Z-140818T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
327 PM CDT MON AUG 18 2014
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN PORTAGE COUNTY IN CENTRAL WISCONSIN...
WAUPACA COUNTY IN NORTHEAST WISCONSIN...
* UNTIL 630 PM CDT
* AT 324 PM CDT...SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL
HAD PRODUCED UP TO 2 INCHES OF RAIN...WITH ANOTHER INCH OR TWO
YET TO COME. REPORTS OF MINOR STREET FLOODING HAVE BEEN RECEIVED
FROM THE CITY OF WAUPACA
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WAUPACA...AMHERST...FREMONT AND HARTMAN CREEK STATE PARK.
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 4426 8954 4460 8952 4459 8880 4424 8881
4424 8888
$$
RDM1 follow-up statement
867
WGUS73 KGRB 182111
FFSGRB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
411 PM CDT MON AUG 18 2014
WIC097-135-182330-
/O.CON.KGRB.FF.W.0003.000000T0000Z-140818T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAUPACA WI-PORTAGE WI-
411 PM CDT MON AUG 18 2014
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PORTAGE AND
SOUTHERN WAUPACA COUNTIES UNTIL 630 PM CDT...
AT 410 PM CDT...WEATHER SPOTTERS REPORTED THUNDERSTORMS WITH VERY
HEAVY RAINFALL ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN
HAS BEEN REPORTED ACROSS PART OF THE WARNING AREA.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLASH FLOODING INCLUDE...
WAUPACA...FREMONT AND HARTMAN CREEK STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4426 8954 4444 8951 4445 8881 4424 8881
4424 8894
$$
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, 3:53 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, 5:30 PM CDT | Flash Flood Warning | GRB | Portage, Waupaca, Waushara, Wood | 3 hr |
| 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.