Alert archive / Wisconsin / Flash Flood Warnings in 1993
Flash Flood Warning 22, NWS Green Bay, WI
NWS Green Bay, WI issued this flash flood warning at Jul 17, 1993, 11:32 PM CDT for Columbia County, Dane County, Sauk County, Wisconsin. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1993, 11:32 PM CDT (04:32 UTC)
- Expired
- Jul 18, 1993, 4:30 AM CDT
- In force
- 5 hr
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
Counties Columbia County, WI, Dane County, WI, Sauk County, WI
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.5 hours before the alert went out and 174 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
- 10 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1117 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSN 180435 FFWMSN WIC021-025-111-180930- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MADISON WI 1132 PM CDT SAT JUL 17 1993 THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL WISCONSIN ...SOUTHERN COLUMBIA COUNTY...NORTHERN DANE COUNTY ...EASTERN SAUK COUNTY SLOW MOVING THUNDERSTORMS HAVE DROPPED BETWEEN TWO AND FOUR INCHES OF RAIN IN EASTERN SAUK AND SOUTHWESTERN COLUMBIA COUNTY THIS EVENING. LOCALIZED FLOODING HAS BEEN REPORTED IN BARABOO. THESE STORMS ARE SPREADING SLOWLY EAST-SOUTHEAST INTO NORTHERN DANE COUNTY. THE CITY OF MADISON IS NOT INCLUDED IN THIS WARNING AT THIS TIME. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. MOONEY
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, Jul 17, 6:38 PM CDT, 4 hours 54 minutes before
WIZ008-180045-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
638 PM CDT SAT JUL 17 1993
...SHOWERS PRODUCING HEAVY RAINFALL OVER WAUPACA COUNTY...
AT 635 PM...RADAR INDICATED AN AREA OF HEAVY RAIN PRODUCING SHOWERS OVER
NORTHEASTERN WAUPACA COUNTY. THE HEAVIEST SHOWERS EXTENDED FROM JUST
NORTH OF THE CITY OF WAUPACA TO JUST SOUTH OF CLINTONVILLE. THE CITY OF
WAUPACA IS ABOUT 30 MILES WEST OF APPLETON AND CLINTONVILLE IS ABOUT 35
MILES WEST OF THE CITY OF GREEN BAY. THESE SHOWERS WERE MOVING
NORTHEAST AT 20 TO 25 MPH AND WILL LIKELY AFFECT MANAWA...SYMCO...AND
CLINTONVILLE THROUGH 7 PM.
THESE SHOWERS WERE PRODUCING HEAVY DOWNPOURS OF RAIN WHICH MAY
RESULT IN PONDING OF WATER ON AREA ROADWAYS. DO NOT DRIVE YOUR CAR
INTO AREAS WHERE STANDING WATER COVERS THE ROAD.
JUSKIE
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S6WWUSSpecial weather statement, Jul 17, 6:39 PM CDT, 4 hours 53 minutes before
WIZ008-180045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 638 PM CDT SAT JUL 17 1993 ...SHOWERS PRODUCING HEAVY RAINFALL OVER WAUPACA COUNTY... AT 635 PM...RADAR INDICATED AN AREA OF HEAVY RAIN PRODUCING SHOWERS OVER NORTHEASTERN WAUPACA COUNTY. THE HEAVIEST SHOWERS EXTENDED FROM JUST NORTH OF THE CITY OF WAUPACA TO JUST SOUTH OF CLINTONVILLE. THE CITY OF WAUPACA IS ABOUT 30 MILES WEST OF APPLETON AND CLINTONVILLE IS ABOUT 35 MILES WEST OF THE CITY OF GREEN BAY. THESE SHOWERS WERE MOVING NORTHEAST AT 20 TO 25 MPH AND WILL LIKELY AFFECT MANAWA...SYMCO...AND CLINTONVILLE THROUGH 7 PM. THESE SHOWERS WERE PRODUCING HEAVY DOWNPOURS OF RAIN WHICH MAY RESULT IN PONDING OF WATER ON AREA ROADWAYS. DO NOT DRIVE YOUR CAR INTO AREAS WHERE STANDING WATER COVERS THE ROAD. JUSKIE
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 4:31 AM CDT | Flash Flood Warning | GRB | Columbia, Sauk | 7 hr |
Nearby
Flash Flood Warnings in Wisconsin, 1993Every flash flood warning in 1993
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.