Alert archive / Wisconsin / Flash Flood Warnings in 1990

Flash Flood Warning 1, NWS Green Bay, WI

June 22, 1990Brown County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 22, 1990, 5:25 PM CDT for Brown County, Wisconsin. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 22, 1990, 5:25 PM CDT (22:25 UTC)
Expired
Jun 22, 1990, 7:30 PM CDT
In force
2 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

County Brown County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 hours before the alert went out and 9 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 12:00Z on 1990-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 222225
FFWGRB
WIC009-230030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
525 PM CDT FRI JUN 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN 
THE FOLLOWING COUNTY

   IN THE NORTHEAST PART OF WISCONSIN
      BROWN

AT 515 PM CDT RADAR INDICATED A STRONG THUNDERSTORM JUST SOUTH OF
THE CITY OF GREEN BAY MOVING SLOWLY NORTH AND WILL DUMP UPWARDS
OF ANOTHER INCH OF WATER ACROSS THE CITY. NUMEROUS REPORTS OF ROADS
AND LOW LYING AREAS BEING FLOODED HAVE BEEN RECEIVED. THE FOX RIVER
NORTH OF WRIGHTSTOWN IN SOUTHERN BROWN COUNTY HAS FLOODED COUNTY
ROAD ZZ BY 8 FEET.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.

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

DC/2224Z

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 22, 1:35 PM CDT, 3 hours 50 minutes before
WIZ008-008-009-012-013-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
125 PM CDT FRI JUN 22 1990

...HEAVY RAINFALL AMOUNTS OVER NORTHEAST AND EAST CENTRAL WISCONSIN
BEGINNING TO CAUSE STREET FLOODING AND RUNOFF PROBLEMS...

AT 120 PM CDT...HEAVY PRECIPITATION CONTINUED TO FALL OVER MUCH OF
WISCONSIN AND WILL CONTINUE TO RAIN THRU THE AFTERNOON INTO THE EVENING.

REPORTS FROM WINNEBAGO COUNTY INDICATE STREET FLOODING IS A PROBLEM.
REPORTS OF OVER 2 INCHES OF PRECIPITATION HAVE FALLEN SO FAR IN MOST
AREAS NEAR THE FOX CITIES. GREEN BAY RECORDED 1.46 INCHES OF PRECIP-
ITATION AT 120 PM CDT.

PERSONS LIVING AND TRAVELING IN THE FOX CITIES AREA AND MOST OF NORTH-
EAST WISCONSIN CAN EXPECT SMALL STEAM FLOODING AND LOW LYING AREAS
TO BE FLOODED. USE CAUTION IN THESE AREAS. LISTEN FOR LATER STATEMENTS.
STONE
Special weather statement, Jun 22, 3:16 PM CDT, 2 hours 9 minutes before
WIZ008-008-009-012-013-

URBAN/SMALL STREAM FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
310 PM CDT FRI JUN 22 1990

...FLASH FLOOD WATCH IN EFFECT UNTIL 9 PM CDT FOR MOST OF EAST CENTRAL
AND A SMALL PART OF NORTHEAST WISCONSIN...

AT 310 PM CDT...WEATHER RADAR INDICATED HEAVY TO MODERATE RAIN
CONTINUING TO FALL OVER MOST OF WISCONSIN. CONSIDERABLE STREET FLOODING
HAS BEEN REPORTED IN THE FOX CITIES AND GREEN BAY. PRECIPITATION AMOUNTS
ARE NEARING 3 INCHES IN SOME AREAS AND OVER 2 INCHES IN MOST.

THE PRECIPTIATION IS EXPECTED TO CONTINUE INTO TONIGHT.

PERSONS LIVING IN THE FLOOD WATCH AREA SHOULD EXERCISE CAUTION WHEN
TRAVELING...ESPECIALLY THRU LOW LYING AREAS.  NUMEROUS REPORTTS OF STALLED
VEHICLES HAVE BEEN RECEIVED.  SMALL STEAM FOODING CAN BE EXPECTED.
STONE
Special weather statement, Jun 22, 4:22 PM CDT, 1 hour 3 minutes before
WIZ008-008-009-012-013-

URBAN/SMALL STREAM FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
415 PM CDT FRI JUN 22 1990

...FLASH FLOOD WATCH IN EFFECT UNTIL 9 PM CDT...

AT 415 PM CDT...WEATHER RADAR INDICATED HEAVY TO MODERATE RAIN
CONTINUING TO FALL OVER MOST OF WISCONSIN. CONSIDERABLE STREET FLOODING
HAS BEEN REPORTED IN THE FOX CITIES AND GREEN BAY. TOTAL PRECIPITATION
AMOUNTS ARE OVER 3 INCHES IN SOME AREAS AND AT LEAST 2.5 INCHES FOR
MOST AREAS.

MODERATE TO HEAVY PRECIPITATION IS EXPECTED TO CONTINUE INTO TONIGHT.

IT IS EASY TO UNDERESTIMATE THE POWER OF FAST FLOWING WATER. WATER ONLY
A FOOT DEEP WITH A GOOD CURRENT COULD SWEEP YOUR VEHICLE AWAY...SO BE
VERY CAUTIOUS WHERE STREAMS ARE OVERFLOWING THEIR BANKS AND RUNNING OVER
ROADWAYS...ESPECIALLY ON SECONDARY ROADS IN RURAL AREAS.
STONE

Nearby

Flash Flood Warnings in Wisconsin, 1990Every flash flood warning in 1990

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.