Alert archive / Wisconsin / Flash Flood Warnings in 1993

Flash Flood Warning 8, NWS Green Bay, WI

June 24, 1993Dane County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 24, 1993, 12:43 PM CDT for Dane County, Wisconsin. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jun 24, 1993, 12:43 PM CDT (17:43 UTC)
Expired
Jun 24, 1993, 1:45 PM CDT
In force
62 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Dane County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.7 hours before the alert went out and 189 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 1993-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 1993-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 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
53 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
67 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 KMSN 241746
FFWMSN
WIC025-241845-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MADISON WI
1243 PM CDT THU JUN 24 1993
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...DANE COUNTY
 
AT 1238 PM CDT...RADAR DETECTED A SEVERE THUNDERSTORM 2 MILES NORTH OF
BELLEVILLE OR 20 MILES SOUTHWEST OF MADISON. MOVEMENT WAS TO THE EAST-
NORTHEAST AT 25 MPH.
 
TOWNS IN THE PATH OF THESE STORMS IN DANE COUNTY ARE..BASCO..OREGON..
FITCHBURG..BROOKLYN AND LAKEVIEW. THESE TOWNS/CITIES CAN EXPECT HEAVY
DOWNPOURS..DANGEROUS DEADLY LIGHTNING..LARGE HAIL AND DAMAGING WINDS.
 
PERSONS STAY TUNED FOR LATER DEVELOPMENTS
 
GRIMM
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
GRIMM
&

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 24, 11:15 AM CDT, 1 hour 28 minutes before
WIZ005-008-009-012-013-241900-

SPECIAL WEATHER STATEMENT AND SHORT-RANGE WEATHER FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
1115 AM CDT THU JUN 24 1993

...THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON...

THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS NORTHEAST WISCONSIN LATE THIS
AFTERNOON AND EVENING.  SOME OF THE THUNDERSTORMS HAVE THE POTENTIAL TO
BECOME SEVERE.  A FEW OF THE STORMS MAY CONTAIN DAMAGING WINDS...LARGE
HAIL...AND VERY HEAVY RAIN.

EXPECT SKIES TO BECOME MOSTLY CLOUDY BY EARLY AFTERNOON WITH THE BEST
THREAT FOR THUNDERSTORMS AFTER 3 PM.  IT WILL REMAIN QUITE WARM AND MUGGY
WITH READINGS CLIMBING INTO THE MIDDLE 80S BY MID AFTERNOON.  STRONG SOUTH
WINDS SHOULD CONTINUE AT 15 TO 25 MILES AN HOUR.

STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TELEVISION OR RADIO FOR
THE LATEST INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.
^
JUSKIE
Special weather statement, Jun 24, 11:21 AM CDT, 1 hour 22 minutes before
WIZ005-008-009-012-013-241900-

SPECIAL WEATHER STATEMENT AND SHORT-RANGE WEATHER FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
1115 AM CDT THU JUN 24 1993

...THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON...

THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS NORTHEAST WISCONSIN LATE THIS
AFTERNOON AND EVENING.  SOME OF THE THUNDERSTORMS HAVE THE POTENTIAL TO
BECOME SEVERE.  A FEW OF THE STORMS MAY CONTAIN DAMAGING WINDS...LARGE
HAIL...AND VERY HEAVY RAIN.

EXPECT SKIES TO BECOME MOSTLY CLOUDY BY EARLY AFTERNOON WITH THE BEST
THREAT FOR THUNDERSTORMS AFTER 3 PM.  IT WILL REMAIN QUITE WARM AND MUGGY
WITH READINGS CLIMBING INTO THE MIDDLE 80S BY MID AFTERNOON.  STRONG SOUTH
WINDS SHOULD CONTINUE AT 15 TO 25 MILES AN HOUR.

STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TELEVISION OR RADIO FOR
THE LATEST INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION.
^
JUSKIE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 12:43 PM CDTSevere Thunderstorm WarningGRBDane62 min
Jun 24, 1:15 PM CDTFlash Flood WarningGRBColumbia, Green Lake, Marquette60 min
Jun 24, 1:15 PM CDTSevere Thunderstorm WarningGRBColumbia, Green Lake, Marquette60 min
Jun 24, 6:45 PM CDTSevere Thunderstorm WarningGRBGreen60 min

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.