Alert archive / Wisconsin / Flash Flood Warnings in 2007

Flash Flood Warning 3, NWS Green Bay, WI

July 26, 2007Waushara County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jul 26, 2007, 8:48 PM CDT for Waushara County, Wisconsin. It was in force for 87 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 26, 2007, 8:48 PM CDT (01:48 UTC)
Expired
Jul 26, 2007, 10:15 PM CDT
In force
87 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Waushara County, WI

The radar

The Green Bay radar (KGRB), 100 km from the middle of the area, began a volume at 01:46 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.8 hours before the alert went out and 100 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 2007-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1629 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2007-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1629 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
891 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KGRB 270149
FFWGRB
WIC137-270315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
848 PM CDT THU JUL 26 2007

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WAUSHARA COUNTY IN CENTRAL WISCONSIN

* UNTIL 1015 PM CDT

* AT 846 PM...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING
  ACROSS WAUSHARA COUNTY. ADDITIONAL THUNDERSTORMS ALONG A LINE      
  EXTENDING FROM 20 MILES NORTHEAST OF PLAINFIELD TO 16 MILES        
  SOUTHWEST OF PLAINFIELD...MOVING SOUTHEAST AT 25 MPH...WILL BRING  
  ADDITIONAL RAIN TO THE AREA.

* THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  WAUTOMA BY 915 PM...
  REDGRANITE BY 930 PM...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE LIKELY IN THE WARNED
AREA FROM THESE THUNDERSTORMS.

DUE TO THE RECENT HEAVY RAINFALL...THESE THUNDERSTORMS WILL 
SIGNIFICANTLY INCREASE THE RISK OF FLASH FLOODING.

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 4424 8888 4423 8959 4398 8960 4398 8889

$$

KURIMSKI
4 follow-up statements
000 
WGUS73 KGRB 270205
FFSGRB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
905 PM CDT THU JUL 26 2007

WIC137-270315-
WAUSHARA-
905 PM CDT THU JUL 26 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
WAUSHARA COUNTY...

AT 903 PM...DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS
PRODUCING FLASH FLOODING.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 12 MILES EAST OF PLAINFIELD TO 7 MILES WEST OF WAUTOMA
TO 18 MILES SOUTHWEST OF PLAINFIELD...OR ALONG A LINE EXTENDING FROM
11 MILES SOUTHWEST OF WAUPACA TO 7 MILES WEST OF WAUTOMA TO 9 MILES
EAST OF FRIENDSHIP...MOVING SOUTHEAST AT 25 MPH.

THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...
  9 MILES SOUTHEAST OF PLAINFIELD BY 905 PM...
  WAUTOMA BY 915 PM...
  REDGRANITE BY 935 PM...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY IN THE WARNED
AREA.

THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER
AREAS WHICH ALREADY RECEIVED HEAVY RAIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 4424 8888 4423 8959 4398 8960 4398 8889

$$

KALLAS
000 
WGUS73 KGRB 270228
FFSGRB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
927 PM CDT THU JUL 26 2007

WIC137-270315-
WAUSHARA-
927 PM CDT THU JUL 26 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
WAUSHARA COUNTY...

AT 925 PM...DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS
PRODUCING FLASH FLOODING.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 MILES NORTH OF WAUTOMA TO REDGRANITE TO 17 MILES 
SOUTHWEST OF WAUTOMA. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST 
AT 25 MPH.

THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE NEAR...  
  REDGRANITE BY 930 PM...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY IN THE WARNED
AREA.

THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER
AREAS WHICH ALREADY RECEIVED HEAVY RAIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN GREEN
BAY.

LAT...LON 4424 8888 4423 8959 4398 8960 4398 8889

$$

KALLAS
000 
WGUS73 KGRB 270258
FFSGRB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
956 PM CDT THU JUL 26 2007

WIC137-270315-
WAUSHARA-
956 PM CDT THU JUL 26 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
WAUSHARA COUNTY...

AT 954 PM...DOPPLER RADAR CONTINUED TO INDICATE SHOWERS AND 
THUNDERSTORMS OVER WAUSHARA COUNTY. LOCALIZED HEAVY RAINFALL WILL 
CONTINUE TO FALL OVER PARTS OF THE COUNTY...HOWEVER THE HEAVIEST OF 
THE RAINS HAVE ALREADY OCCURRED.

ANOTHER INCH IS LIKELY IN THE WARNED AREA.

THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN FALLING OVER
AREAS WHICH ALREADY RECEIVED HEAVY RAIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4424 8888 4423 8959 4398 8960 4398 8889

$$

KALLAS
000 
WGUS73 KGRB 270313
FFSGRB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1010 PM CDT THU JUL 26 2007

WIC137-270320-
WAUSHARA-
1010 PM CDT THU JUL 26 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1015 PM CDT FOR WAUSHARA
COUNTY...

WHILE ANOTHER ONE-QUARTER TO ONE-HALF INCH OF RAIN MAY FALL OVER 
PARTS OF WAUSHARA COUNTY LATE THIS EVENING...THE FLOODING NO LONGER 
POSES A SIGNIFICANT THREAT.

MOTORISTS ARE URGED TO NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. 

LAT...LON 4424 8888 4423 8959 4398 8960 4398 8889

$$

KALLAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 7:04 PM CDTSevere Thunderstorm WarningGRBMarathon, Wood56 min

Nearby

Flash Flood Warnings in Wisconsin, 2007Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.