Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 48, NWS Green Bay, WI

July 11, 1994Columbia County, Marquette County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 11, 1994, 5:38 PM CDT for Columbia County, Marquette County, Wisconsin. It was in force for 82 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1994, 5:38 PM CDT (22:38 UTC)
Expired
Jul 11, 1994, 7:00 PM CDT
In force
82 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Columbia County, WI, Marquette County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.6 hours before the alert went out and 137 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 1994-07-11Temperature 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°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 1994-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1083 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
126 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 severe thunderstorm 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 11, 5:37 PM CDT, 1 minute before
WIZ037>040-048>050-112340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
537 PM CDT MON JUL 11 1994

...VERY STRONG THUNDERSTORMS APPROACHING WAUPACA COUNTY...

AT 530 PM RADAR INDICATED INTENSE THUNDERSTORMS 15 MILES SOUTH OF
STEVENS POINT.  THE STORMS WILL LIKELY PRODUCE TORRENTIAL RAINS...
FREQUENT LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE INTO WAUPACA
COUNTY.  CITIES IN THE PATH OF THESE STORMS INCLUDE
IOLA...SCANDINAVIA...SHERIDAN...WAUPACA AND RURAL.

A TORNADO WATCH IS ALSO IN EFFECT UNTIL 11 PM.

THE SAFEST PLACE TO BE DURING A THUNDERSTORM IS IN A STURDY BUILDING.
IF POSSIBLE...MOVE TO SHELTER BEFORE THE STORM ARRIVES.  IF YOU ARE
CAUGHT IN AN OPEN FIELD...STAY AWAY FROM TALL OBJECTS SUCH AS LONE
TREES.

MOEDE
Special weather statement, Jul 11, 5:38 PM CDT, 0 minutes before
WIZ037>040-048>050-112340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
537 PM CDT MON JUL 11 1994

...VERY STRONG THUNDERSTORMS APPROACHING WAUPACA COUNTY...

AT 530 PM RADAR INDICATED INTENSE THUNDERSTORMS 15 MILES SOUTH OF
STEVENS POINT.  THE STORMS WILL LIKELY PRODUCE TORRENTIAL RAINS...
FREQUENT LIGHTNING AND WIND GUSTS TO 40 MPH AS THEY MOVE INTO WAUPACA
COUNTY.  CITIES IN THE PATH OF THESE STORMS INCLUDE
IOLA...SCANDINAVIA...SHERIDAN...WAUPACA AND RURAL.

A TORNADO WATCH IS ALSO IN EFFECT UNTIL 11 PM.

THE SAFEST PLACE TO BE DURING A THUNDERSTORM IS IN A STURDY BUILDING.
IF POSSIBLE...MOVE TO SHELTER BEFORE THE STORM ARRIVES.  IF YOU ARE
CAUGHT IN AN OPEN FIELD...STAY AWAY FROM TALL OBJECTS SUCH AS LONE
TREES.

MOEDE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 4:57 PM CDTSevere Thunderstorm WarningGRBJuneau63 min
Jul 11, 5:13 PM CDTSevere Thunderstorm WarningGRBRichland62 min
Jul 11, 5:24 PM CDTSevere Thunderstorm WarningGRBAdams, Sauk66 min
Jul 11, 6:37 PM CDTSevere Thunderstorm WarningGRBDane53 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm 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.