Alert archive / Wisconsin / Tornado Warnings in 1993

Tornado Warning 10, NWS Quad Cities, IA

July 10, 1993Grant County, Lafayette County, Wisconsin

NWS Quad Cities, IA issued this tornado warning at Jul 10, 1993, 4:44 PM CDT for Grant County, Lafayette County, Wisconsin. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1993, 4:44 PM CDT (21:44 UTC)
Expired
Jul 10, 1993, 5:30 PM CDT
In force
46 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

Counties Grant County, WI, Lafayette County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.7 hours before the alert went out and 267 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 1993-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 1993-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
5 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
1131 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
53 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 KMKE 102144
TORDBQ
WIC043-065-102230-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DUBUQUE IA
ISSUED BY MILWAUKEE/SULLIVAN WI
444 PM CDT SAT JUL 10 1993
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST WISCONSIN
 
   ...GRANT COUNTY...LA FAYETTE COUNTY
 
AT 440 PM...A POSSIBLE TORNADO WAS REPORTED BY A POLICE OFFICER BETWEEN
MOUNT HOPE AND FENNIMORE...OR ABOUT 34 MILES NORTH OF DUBUQUE. IT WAS
MOVING EAST AT 40 MPH. TOWNS IN THE PATH INCLUDE PRESTON...MONTFORT
...AND FENNIMORE.  GOLF BALL SIZE HAIL WAS ALSO REPORTED WITH THIS STORM
AT CASSVILLE.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR PBODY.  AVOID WINDOWS.
 
 
JOHNSTON/HAASE
&

What forecasters said that day

The local office's own words before this tornado 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 10, 3:25 PM CDT, 1 hour 19 minutes before
ILZ004-IAZ078-088-089-099-102130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
325 PM CDT SAT JUL 10 1993

...THUNDERSTORMS RUMBLING THROUGH CENTRAL AND NORTHEASTERN IOWA...

THUNDERSTORMS WERE MOVING THROUGH NORTHEASTERN IOWA BACK ACROSS CENTRAL
PARTS OF IOWA LATE THIS AFTERNOON.  THE THUNDERSTORMS ARE MOVING TO
THE EAST AT 30 MILES AN HOUR.  THE THUNDERSTORMS THAT MAY BE AFFECTING
THE TWO STATE REGION WERE NEAR THE DES MOINES IOWA AREA.

AS THESE THUNDERSTORMS MOVED THROUGH NORTHWESTERN AND NORTH CENTRAL
IOWA THEY PRODUCED HIGH WINDS AND HEAVY RAIN.  IF THESE THUNDERSTORMS
CONTINUE THEIR CURRENT TRACK AND DO NOT DISSIPATE THEY WILL BE MOVING
INTO THE NORTHWESTERN PARTS OF THE TWO STATE REGION BETWEEN 6 AND 7 PM.

IF THESE THUNDERSTORMS DO MOVE INTO THE TWO STATE REGION...PEOPLE SHOULD
BE ON THE LOOK OUT FOR STRONG GUSTY WINDS AND HEAVY RAIN.  THUNDERSTORMS
WILL BE IN THE FORECAST FROM NOW THOROUGH SUNDAY...SO KEEP AN EYE TO
THE SKY AND KEEP ABREAST OF THE LATEST WEATHER CONDITIONS.

GOEHRING
Special weather statement, Jul 10, 3:26 PM CDT, 1 hour 18 minutes before
ILZ004-IAZ078-088-089-099-102130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
325 PM CDT SAT JUL 10 1993

...THUNDERSTORMS RUMBLING THROUGH CENTRAL AND NORTHEASTERN IOWA...

THUNDERSTORMS WERE MOVING THROUGH NORTHEASTERN IOWA BACK ACROSS CENTRAL
PARTS OF IOWA LATE THIS AFTERNOON.  THE THUNDERSTORMS ARE MOVING TO
THE EAST AT 30 MILES AN HOUR.  THE THUNDERSTORMS THAT MAY BE AFFECTING
THE TWO STATE REGION WERE NEAR THE DES MOINES IOWA AREA.

AS THESE THUNDERSTORMS MOVED THROUGH NORTHWESTERN AND NORTH CENTRAL
IOWA THEY PRODUCED HIGH WINDS AND HEAVY RAIN.  IF THESE THUNDERSTORMS
CONTINUE THEIR CURRENT TRACK AND DO NOT DISSIPATE THEY WILL BE MOVING
INTO THE NORTHWESTERN PARTS OF THE TWO STATE REGION BETWEEN 6 AND 7 PM.

IF THESE THUNDERSTORMS DO MOVE INTO THE TWO STATE REGION...PEOPLE SHOULD
BE ON THE LOOK OUT FOR STRONG GUSTY WINDS AND HEAVY RAIN.  THUNDERSTORMS
WILL BE IN THE FORECAST FROM NOW THOROUGH SUNDAY...SO KEEP AN EYE TO
THE SKY AND KEEP ABREAST OF THE LATEST WEATHER CONDITIONS.

GOEHRING
Special weather statement, Jul 10, 4:29 PM CDT, 15 minutes before
ILZ004-IAZ078-088-089-099-102230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
430 PM CDT SAT JUL 10 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE TWO STATE
   REGION UNTIL 10 PM...

THUNDERSTORMS WERE IN A LINE FROM FROM NEAR DUBUQUE IOWA...SOUTHWEST TO
JUST NORTH OF CEDAR RAPIDS TO ABOUT 20 MILES EAST OF MARSHALLTOWN IOWA.
STORMS WERE SCATTERED IN THIS LINE WITH THE STRONGEST STORM BEING IN
DUBUQUE AND JONES COUNTY IN EASTERN IOWA.  ANOTHER CLUSTER OF STRONG
STORMS WAS BETWEEN CADAR RAPIDS AND MARSHALLTOWN.

ALL STORMS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR...WHILE THE
LINE WAS SINKING SOUTHEAST.  PEOPLE IN NORTHERN CLINTON COUNTY CAN
EXPECT STRONG STORMS BETWEEN 530 AND 545 PM.  THE OTHER STRONG STORMS
WILL BE MOVING INTO WESTERN CEDAR COUNTY BY 600 PM.

STRONG GUSTY WINDS...HEAVY RAIN...HAIL...AND DANGEROUS CLOUD TO GROUND
LIGHTNING CAN BE EXPECTED AS THESE STORMS PASS.

GOEHRING
Special weather statement, Jul 10, 4:30 PM CDT, 14 minutes before
ILZ004-IAZ078-088-089-099-102230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
430 PM CDT SAT JUL 10 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE TWO STATE
   REGION UNTIL 10 PM...

THUNDERSTORMS WERE IN A LINE FROM FROM NEAR DUBUQUE IOWA...SOUTHWEST TO
JUST NORTH OF CEDAR RAPIDS TO ABOUT 20 MILES EAST OF MARSHALLTOWN IOWA.
STORMS WERE SCATTERED IN THIS LINE WITH THE STRONGEST STORM BEING IN
DUBUQUE AND JONES COUNTY IN EASTERN IOWA.  ANOTHER CLUSTER OF STRONG
STORMS WAS BETWEEN CADAR RAPIDS AND MARSHALLTOWN.

ALL STORMS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR...WHILE THE
LINE WAS SINKING SOUTHEAST.  PEOPLE IN NORTHERN CLINTON COUNTY CAN
EXPECT STRONG STORMS BETWEEN 530 AND 545 PM.  THE OTHER STRONG STORMS
WILL BE MOVING INTO WESTERN CEDAR COUNTY BY 600 PM.

STRONG GUSTY WINDS...HEAVY RAIN...HAIL...AND DANGEROUS CLOUD TO GROUND
LIGHTNING CAN BE EXPECTED AS THESE STORMS PASS.

GOEHRING

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 5:06 PM CDTTornado WarningDVNLafayette54 min

Nearby

Tornado Warnings in Wisconsin, 1993Every tornado warning in 1993Tornadoes 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.