Alert archive / Wisconsin / Flash Flood Warnings in 2002

Flash Flood Warning 11, NWS Green Bay, WI

June 23, 20024 counties in Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 23, 2002, 10:42 PM CDT for 4 counties in Wisconsin. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 23, 2002, 10:42 PM CDT (03:42 UTC)
Expired
Jun 24, 2002, 4:30 AM CDT
In force
6 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Door County, WI, Forest County, WI, Marinette County, WI, Oneida County, WI

The radar

The Green Bay radar (KGRB), 102 km from the middle of the area, began a volume at 03:43 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, 3.7 hours before the alert went out and 104 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 2002-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1049 joules per kilogram.LCLEL10008507005003002001001 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 2002-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 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
1049 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1437 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KGRB 240342
FFWGRB
WIC029-041-075-085-240930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1037 PM CDT SUN JUN 23 2002

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ONEIDA COUNTY IN WISCONSIN
  NORTHERN DOOR COUNTY IN WISCONSIN
  SOUTHERN FOREST COUNTY IN WISCONSIN
  MARINETTE COUNTY IN WISCONSIN

* UNTIL 430 AM CDT

* AT 1037 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS WITH TORRENTIAL RAIN FROM NEAR DULUTH TO RHINELANDER 
  TO SISTER BAY. 

* SURFACE REPORTS INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN
  THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN
  FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER 2  
  TO 3 INCHES OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS MOST
  LIKELY TO EXPERIENCE FLOODING INCLUDE LAKE TOMAHAWK...CRANDON...
  ATHELSTANE AND SISTER BAY.

  A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS  
  IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
  CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD 
  AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

RDM
3 follow-up statements
000 
RWUS32 KGRB 240451
FFSGRB
WIC029-041-075-085-240930-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1145 PM CDT SUN JUN 23 2002

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN FOREST...
ONEIDA...MARINETTE AND NORTHERN DOOR COUNTIES...

AT 1145 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS EXTENDED FROM  
HAZELHURST...OR 19 MILES NORTHWEST OF RHINELANDER TO CRIVITZ TO 
NORTHERN DOOR COUNTY. THE STORMS WILL CONTINUE TO PRODUCE HEAVY 
RAIN. A FLASH FLOOD WARNING IS IN EFFECT.

RADAR ESTIMATES INDICATED THAT UP TO 5 INCHES OF RAIN HAD FALLEN IN 
SOUTHERN MARINETTE COUNTY AS OF 11 PM. A RAIN GAUGE AT PORTERFIELD 
IN MARINETTE REPORTED 3.5 INCHES AS OF 11 PM. THE MOVEMENT OF THE 
STORMS WILL RESULT IN MORE RAIN FALLING OVER AREAS WHICH ALREADY 
RECEIVED HEAVY RAIN. ANOTHER 2 TO 3 INCHES OF RAIN IS LIKELY IN THE 
WARNING AREA. SOME LOCATIONS WHICH ARE LIKELY TO EXPERIENCE FLASH 
FLOODING INCLUDE...PORTERFIELD...CRIVITZ...RHINELANDER AND 
ATHELSTANE.

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

$$

RDM
000 
RWUS32 KGRB 240656
FFSGRB
WIC029-041-075-085-240730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
155 AM CDT MON JUN 24 2002

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR FOREST...MARINETTE AND 
DOOR COUNTIES...
...FLASH FLOOD WARNING HAS BEEN CANCELED FOR ONEIDA COUNTY...

AT 150 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
THUNDERSTORMS THAT PRODUCED THE TORRENTIAL RAINS ACROSS NORTH 
CENTRAL WISCONSIN LATE SUNDAY EVENING...HAS NOW MOVED INTO DOOR 
COUNTY AND THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN. HOWEVER...
SCATTERED SHOWERS AND THUNDERSTORMS WERE STILL BEING DETECTED ACROSS 
FOREST AND MARINETTE COUNTIES.  

IN FOREST COUNTY...RADAR ESTIMATED THAT 2 TO 4 INCHES OF RAIN HAS 
FALLEN TONIGHT SOUTH OF CRANDON TO LAONA LINE. ADDITIONAL RAINFALL
TOTALS SHOULD BE LESS THAN A HALF INCH.  A FLASH FLOOD WARNING REMAINS 
IN EFFECT DUE TO RUNOFF FROM THE HEAVY RAINS OVER THE LAST SEVERAL 
HOURS. 

IN MARINETTE COUNTY...THE HEAVIEST RAINS FELL ACROSS CENTRAL AND 
SOUTHERN PORTIONS OF THE COUNTY...SOUTH OF A WAUSAUKEE TO CALDRON 
FALLS RESERVOIR LINE...AND NORTH OF A LINE FROM PESHTIGO TO POUND.  
RADAR ESTIMATED THAT 5 TO 7 INCHES OF RAIN FELL FROM JUST WEST OF 
CRIVITZ TO MIDDLE INLET SOUTHEAST THROUGH LOOMIS TO PORTERFIELD TO 
NEAR MARINETTE. TOTALS OF 7 INCHES OR MORE ARE POSSIBLE NEAR 
PORTERFIELD. THE SHERIFF DEPARTMENT REPORTED THAT 1 TO 2 FEET OF 
WATER COVERED THE SIDES OF THE ROAD IN PORTERFIELD. EXTENSIVE STREET 
FLOODING WAS REPORTED IN MARINETTE. A FLASH FLOOD WARNING REMAINS IN 
EFFECT DUE TO RUNOFF FROM THE HEAVY RAINS OVER THE LAST SEVERAL 
HOURS. 

IN DOOR COUNTY...AS OF 1:45 AM...RADAR ESTIMATED THAT 2 TO 4 INCHES 
OF RAIN HAS FALLEN FROM NEAR CARLSVILLE TO JACKSONPORT...TO FISH 
CREEK...EGG HARBOR AND BAILEYS HARBOR. ADDITIONAL RAINFALL AMOUNTS 
OF LESS THAN INCH CAN BE EXPECTED THROUGH 4 AM. THEREFORE...A FLASH 
FLOOD WARNING REMAINS IN EFFECT FOR DOOR COUNTY DUE TO THE 
ADDITIONAL RAINFALL...AND THE RAIN THAT HAS ALREADY FALLEN. 

IN ONEIDA COUNTY...RADAR ESTIMATED THAT 2 TO 3 INCHES OF RAIN FELL 
IN A SHORT PERIOD OF TIME LATE SUNDAY EVENING...FROM HAZELHURST AND 
WILLOW RESERVOIR EAST TO RHINELANDER AND MC NAUGHTON. THE RAIN ENDED 
WITHIN THE LAST TWO HOURS...AND ANY ADDITIONAL RAINFALL OVERNIGHT 
WILL BE MINIMAL...THEREFORE THE FLASHFLOOD WARNING HAS BEEN 
CANCELLED FOR ONEIDA COUNTY. 

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

$$

ECKBERG
000 
RWUS32 KGRB 240926
FFSGRB
WIC029-041-075-241000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
425 AM CDT MON JUN 24 2002

...FLASH FLOOD WARNING FOR FOREST...MARINETTE AND DOOR COUNTIES NO
LONGER IN EFFECT...

AT 425 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED THAT 
THE CLUSTER OF THUNDERSTORMS THAT PRODUCED THE TORRENTIAL RAINS 
EARLIER TONIGHT HAD MOVED INTO NORTHERN LOWER MICHIGAN. RADAR 
CONTINUED TO SHOW WIDELY SCATTERED SHOWERS AND A FEW THUNDERSTORMS 
OVER CENTRAL...NORTH CENTRAL AND NORTHEAST WISCONSIN. ANY ADDITIONAL 
RAINFALL THIS MORNING WILL BE MINIMAL.  THEREFORE...THE FLASH FLOOD 
WARNING WHICH HAD BEEN IN EFFECT HAS EXPIRED AND IS NO LONGER IN 
EFFECT.

THE FOLLOWING IS A RECAP OF THE HEAVY RAINS THAT FELL OVER PORTIONS 
OF NORTH CENTRAL AND NORTHEAST WISCONSIN. 

IN FOREST COUNTY...RADAR ESTIMATED THAT 2 TO 4 INCHES OF RAIN HAD 
FALLEN SOUTH OF CRANDON TO LAONA LINE. 

IN MARINETTE COUNTY...THE HEAVIEST RAINS FELL ACROSS CENTRAL AND 
SOUTHERN PORTIONS OF THE COUNTY...SOUTH OF A WAUSAUKEE TO CALDRON 
FALLS RESERVOIR LINE...AND NORTH OF A LINE FROM PESHTIGO TO POUND.  
RADAR ESTIMATED THAT 5 TO 7 INCHES OF RAIN FELL FROM JUST WEST OF 
CRIVITZ TO MIDDLE INLET SOUTHEAST THROUGH LOOMIS TO PORTERFIELD TO 
NEAR MARINETTE. TOTALS OF 7 INCHES OR MORE ARE POSSIBLE NEAR 
PORTERFIELD. THE SHERIFF DEPARTMENT REPORTED THAT 1 TO 2 FEET OF 
WATER COVERED THE SIDES OF THE ROAD IN PORTERFIELD. EXTENSIVE STREET 
FLOODING WAS REPORTED IN MARINETTE.  

IN DOOR COUNTY...RADAR ESTIMATED THAT 2 TO 4 INCHES OF RAIN HAD 
FALLEN FROM NEAR CARLSVILLE TO JACKSONPORT...TO FISH CREEK...EGG 
HARBOR AND BAILEYS HARBOR.

IN ONEIDA COUNTY...RADAR ESTIMATED THAT 2 TO 3 INCHES OF RAIN FELL 
IN A SHORT PERIOD OF TIME LATE SUNDAY EVENING...FROM HAZELHURST AND 
WILLOW RESERVOIR EAST TO RHINELANDER AND MC NAUGHTON. 

$$

ECKBERG

Nearby

Flash Flood Warnings in Wisconsin, 2002Every flash flood warning in 2002

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.