Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Green Bay, WI

June 18, 2014Portage County, Waushara County, Wood County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 18, 2014, 4:44 AM CDT for Portage County, Waushara County, Wood County, 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: Jun 18, 2014, 4:44 AM CDT (09:44 UTC)
Expired: Jun 18, 2014, 8:00 AM CDT
In force: 3 hr
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Flood severity: None

Counties Portage County, WI, Waushara County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 09:47 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
Jun 18, 8:00 AM CDT	HEAVY RAIN 2.32	Almond, WI	24-HOUR TOTAL
Jun 18, 8:00 AM CDT	HEAVY RAIN 3.8	Babcock, WI	24-HOUR TOTAL

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, 9.7 hours before the alert went out and 145 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1626 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: -0.2
Supercell composite: -1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

193 
WGUS53 KGRB 180944
FFWGRB
WIC097-137-141-181300-
/O.NEW.KGRB.FF.W.0002.140618T0944Z-140618T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
444 AM CDT WED JUN 18 2014

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN WAUSHARA COUNTY IN CENTRAL WISCONSIN...
  SOUTHERN PORTAGE COUNTY IN CENTRAL WISCONSIN...
  SOUTHERN WOOD COUNTY IN CENTRAL WISCONSIN...

* UNTIL 800 AM CDT

* AT 437 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. RADAR ESTIMATES AND WEATHER OBSERVATIONS INDICATED
  THAT 2 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNING
  AREA...AND ADDITIONAL AMOUNTS OF 1 TO 2 INCHES ARE ANTICIPATED
  OVER THE NEXT COUPLE HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BABCOCK...NEKOOSA AND BANCROFT. THOSE DRIVING ON INTERSTATE
  39 FROM BANCROFT TO PLAINFIELD SHOULD BE ALERT FOR WATER ON THE
  ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

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 4436 9032 4435 8928 4420 8942 4417 8960
      4424 8961 4424 9031 4427 9033

$$

KIECKBUSCH

2 follow-up statements

640 
WGUS73 KGRB 181031
FFSGRB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
531 AM CDT WED JUN 18 2014

WIC097-137-141-181300-
/O.CON.KGRB.FF.W.0002.000000T0000Z-140618T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAUSHARA WI-PORTAGE WI-WOOD WI-
531 AM CDT WED JUN 18 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN WOOD...SOUTHERN
PORTAGE AND NORTHWESTERN WAUSHARA COUNTIES UNTIL 800 AM CDT...

AT 526 AM CDT...DOPPLER WEATHER RADAR SHOWED LIGHT TO MODERATE RAIN
OCCURRING OVER THE WARNING AREA...WITH THUNDERSTORMS WITH VERY HEAVY 
RAINFALL APPROACHING FROM WEST CENTRAL WISCONSIN. THE ADDITIONAL
HEAVY RAINFALL MAY ENHANCE THE FLOODING THREAT...ESPECIALLY BETWEEN
630 AM AND 800 AM.

RUNOFF FROM THIS EXCESSIVE RAINFALL MAY CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...BABCOCK...NEKOOSA AND BANCROFT.

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 4436 9032 4435 8928 4420 8942 4417 8960
      4424 8961 4424 9031 4427 9033

$$

KIECKBUSCH

319 
WGUS73 KGRB 181200
FFSGRB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
700 AM CDT WED JUN 18 2014

WIC097-137-141-181212-
/O.CAN.KGRB.FF.W.0002.000000T0000Z-140618T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WAUSHARA WI-PORTAGE WI-WOOD WI-
700 AM CDT WED JUN 18 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN WOOD...
SOUTHERN PORTAGE AND NORTHWESTERN WAUSHARA COUNTIES IS CANCELLED...

ADDITIONAL HEAVY RAINFALL IS EXPECTED TO REMAIN SOUTH OF THE WARNING 
AREA THIS MORNING...AND CALLS TO THE WOOD AND PORTAGE COUNTY SHERIFF 
DEPARTMENTS INDICATE NO CURRENT FLOODING. THEREFORE...THE FLASH FLOOD
WARNING FOR SOUTHERN WOOD...SOUTHERN PORTAGE AND FAR NORTHWEST 
WAUSHARA COUNTIES HAS BEEN CANCELLED.

IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 4436 9032 4435 8928 4420 8942 4417 8960
      4424 8961 4424 9031 4427 9033

$$

KIECKBUSCH

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 10:03 PM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Oneida	57 min
Jun 18, 12:24 AM CDT	Severe Thunderstorm Warning	GRB	Wood	51 min
Jun 18, 1:12 AM CDT	Severe Thunderstorm Warning	GRB	Portage, Wood	63 min
Jun 18, 1:59 AM CDT	Severe Thunderstorm Warning	GRB	Portage, Waupaca	61 min
Jun 18, 2:20 AM CDT	Severe Thunderstorm Warning	GRB	Waushara	40 min
Jun 18, 2:37 AM CDT	Areal Flood Advisory	GRB	Calumet, Outagamie, Portage, Waupaca, Waushara, Winnebago	3 hr
Jun 18, 3:00 AM CDT	Areal Flood Advisory	GRB	Portage, Wood	3 hr
Jun 18, 12:52 PM CDT	Marine Dense Fog Advisory	GRB		9 hr

Nearby

Flash Flood Warnings in Wisconsin, 2014 Every 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.