Alert archive / Wisconsin / Flash Flood Warnings in 1994

Flash Flood Warning 1, NWS Quad Cities, IA

February 20, 1994Grant County, Wisconsin

NWS Quad Cities, IA issued this flash flood warning at Feb 20, 1994, 1:51 AM CST for Grant County, Wisconsin. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 20, 1994, 1:51 AM CST (07:51 UTC)
Expired
Feb 20, 1994, 5:00 AM CST
In force
3 hr
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Grant County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 7.9 hours before the alert went out and 276 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 1994-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 00:00Z on 1994-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.1939587897117136Sfc1 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
528 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Feb 19, 8:24 PM CST, 5 hours 27 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-200700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
824 PM CST SAT FEB 19 1994

...RAIN WILL CONTINUE FOR MUCH OF THE NIGHT WITH MINOR FLOODING
POSSIBLE OVERNIGHT...

AT 820 PM...NATIONAL WEATHER SERVICE RADAR SHOWED AN EXPANDING AREA
OF LIGHT TO MODERATE RAIN WITHIN 100 MILES OF THE QUAD CITIES. THE RAIN
WAS MOVING NORTHEAST AT 40 TO 45 MILES AN HOUR. WITH RAIN EXTENDING INTO
MISSOURI...IT WILL LIKELY FALL MOST OF THE NIGHT. A HALF INCH TO AN INCH
OF RAIN WILL BE COMMON OVER THE BI-STATE AREA WITH A FEW LOCATIONS
RECEIVING UP TO AN INCH AND A HALF. DUE TO THE RECENT SNOWMELT AND
TONIGHT`S RAINFALL...AREA STREAMS AND RIVERS WILL BE ON THE RISE. THIS
WILL RESULT IN PONDING ON ROADS...WITH MINOR FLOODING NEAR STREAMS.

PEOPLE LIVING NEAR STREAMS SHOULD MONITOR LATER FORECASTS AND
STATEMENTS.
J NOEL
Special weather statement, Feb 19, 8:25 PM CST, 5 hours 26 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-200700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
824 PM CST SAT FEB 19 1994

...RAIN WILL CONTINUE FOR MUCH OF THE NIGHT WITH MINOR FLOODING
POSSIBLE OVERNIGHT...

AT 820 PM...NATIONAL WEATHER SERVICE RADAR SHOWED AN EXPANDING AREA
OF LIGHT TO MODERATE RAIN WITHIN 100 MILES OF THE QUAD CITIES. THE RAIN
WAS MOVING NORTHEAST AT 40 TO 45 MILES AN HOUR. WITH RAIN EXTENDING INTO
MISSOURI...IT WILL LIKELY FALL MOST OF THE NIGHT. A HALF INCH TO AN INCH
OF RAIN WILL BE COMMON OVER THE BI-STATE AREA WITH A FEW LOCATIONS
RECEIVING UP TO AN INCH AND A HALF. DUE TO THE RECENT SNOWMELT AND
TONIGHT`S RAINFALL...AREA STREAMS AND RIVERS WILL BE ON THE RISE. THIS
WILL RESULT IN PONDING ON ROADS...WITH MINOR FLOODING NEAR STREAMS.

PEOPLE LIVING NEAR STREAMS SHOULD MONITOR LATER FORECASTS AND
STATEMENTS.
J NOEL
Special weather statement, Feb 19, 11:33 PM CST, 2 hours 18 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-200800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
1133 PM CST SAT FEB 19 1994

...AREAS OF DENSE FOG AND RAIN WILL PLAGUE THE REGION...

AT 1133 PM...DENSE FOG WAS BEING REPORTED ALONG AND TO THE NORTH AND
WEST OF THE QUAD CITIES. THIS FOG WILL REDUCE THE VISIBILITY TO 1/4 MILE
AT TIMES. IN ADDITION...A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT
FOR THE BI-STATE FOR THE REST OF TONIGHT.

IF YOU ARE TRAVELING TONIGHT...BE ALERT FOR DENSE FOG. SLOW DOWN IF YOU
ENCOUNTER IT.

FURTHER...IF YOU LIVE NEAR SMALL STREAMS OR CREEKS...BE ALERT FOR RISING
WATERS.

J NOEL
Special weather statement, Feb 19, 11:36 PM CST, 2 hours 15 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-200800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
1133 PM CST SAT FEB 19 1994

...AREAS OF DENSE FOG AND RAIN WILL PLAGUE THE REGION...

AT 1133 PM...DENSE FOG WAS BEING REPORTED ALONG AND TO THE NORTH AND
WEST OF THE QUAD CITIES. THIS FOG WILL REDUCE THE VISIBILITY TO 1/4 MILE
AT TIMES. IN ADDITION...A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT
FOR THE BI-STATE FOR THE REST OF TONIGHT.

IF YOU ARE TRAVELING TONIGHT...BE ALERT FOR DENSE FOG. SLOW DOWN IF YOU
ENCOUNTER IT.

FURTHER...IF YOU LIVE NEAR SMALL STREAMS OR CREEKS...BE ALERT FOR RISING
WATERS.

J NOEL
Special weather statement, Feb 20, 1:00 AM CST, 51 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-200800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
100 AM CST SUN FEB 20 1994

...URBAN AND SMALL STREAM ADVISORY REMAINS IN EFFECT FOR THE BISTATE
   THROUGH 4 AM...

HEAVY RAIN CONTINUED ACROSS THE BISTATE TONIGHT...PUSHING STREAMS AND
SMALL RIVERS TO BANKFULL AND BEYOND.  AN URBAN AND SMALL STREAM ADVISORY
REMAINS IN EFFECT FOR ALL OF THE BISTATE THROUGH 4 AM.

RAINFALL AMOUNTS THROUGH MIDNIGHT GENERALLY WERE IN THE HALF INCH TO ONE
INCH RANGE.  BURLINGTON IOWA REPORTED JUST OVER AN INCH THROUGH MIDNIGHT.
HERE AT THE QUAD CITY AIRPORT...EIGHTY-FIVE HUNDRETHS OF AN INCH FELL
THROUGH MIDNIGHT AND APPROXIMATELY A QUARTER OF AN INCH MORE THROUGH 1 AM.

DENSE FOG ALSO REMAINED A PROBLEM ACROSS THE AREA...WITH VISIBILITIES
DOWN BELOW A QUARTER OF A MILE IN SPOTS.  VISIBILITIES HAD IMPROVED SOMEWHAT
WHERE HEAVIER RAINS WERE FALLING.

TRAVELERS ACROSS THE BISTATE SHOULD WATCH FOR AREAS OF LOWER
VISIBILITY AND TRAVEL CAUTIOUSLY.  PERSONS ALONG OR NEAR FLOOD PRONE
AREAS SHOULD WATCH FOR RISING WATER AND BE PREPARED TO MOVE TO
HIGHER GROUND IF NECESSARY.

T MEYER
Special weather statement, Feb 20, 1:07 AM CST, 44 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-200800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
100 AM CST SUN FEB 20 1994

...URBAN AND SMALL STREAM ADVISORY REMAINS IN EFFECT FOR THE BISTATE
   THROUGH 4 AM...

HEAVY RAIN CONTINUED ACROSS THE BISTATE TONIGHT...PUSHING STREAMS AND
SMALL RIVERS TO BANKFULL AND BEYOND.  AN URBAN AND SMALL STREAM ADVISORY
REMAINS IN EFFECT FOR ALL OF THE BISTATE THROUGH 4 AM.

RAINFALL AMOUNTS THROUGH MIDNIGHT GENERALLY WERE IN THE HALF INCH TO ONE
INCH RANGE.  BURLINGTON IOWA REPORTED JUST OVER AN INCH THROUGH MIDNIGHT.
HERE AT THE QUAD CITY AIRPORT...EIGHTY-FIVE HUNDRETHS OF AN INCH FELL
THROUGH MIDNIGHT AND APPROXIMATELY A QUARTER OF AN INCH MORE THROUGH 1 AM.

DENSE FOG ALSO REMAINED A PROBLEM ACROSS THE AREA...WITH VISIBILITIES
DOWN BELOW A QUARTER OF A MILE IN SPOTS.  VISIBILITIES HAD IMPROVED SOMEWHAT
WHERE HEAVIER RAINS WERE FALLING.

TRAVELERS ACROSS THE BISTATE SHOULD WATCH FOR AREAS OF LOWER
VISIBILITY AND TRAVEL CAUTIOUSLY.  PERSONS ALONG OR NEAR FLOOD PRONE
AREAS SHOULD WATCH FOR RISING WATER AND BE PREPARED TO MOVE TO
HIGHER GROUND IF NECESSARY.

T MEYER

Nearby

Flash Flood Warnings in Wisconsin, 1994Every flash flood warning in 1994

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.