Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 179, NWS Twin Cities, MN

August 19, 1994Chippewa County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 1994, 1:37 PM CDT for Chippewa County, Eau Claire County, Wisconsin. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1994, 1:37 PM CDT (18:37 UTC)
Expired
Aug 19, 1994, 2:45 PM CDT
In force
68 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Chippewa County, WI, Eau Claire County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 6.6 hours before the alert went out and 183 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, Minneapolis, MN at 12:00Z on 1994-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 526 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, Minneapolis, MN at 12:00Z on 1994-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.1939587897Sfc1 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
526 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMSP 191839 RRA
SVRMSP
WIC017-035-191945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
137 PM CDT FRI AUG 19 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...SOUTHERN CHIPPEWA COUNTY...EAU CLAIRE COUNTY
 
AT 140 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST
NORTHWEST OF EAU CLAIRE WISCONSIN. THE SEVERE THUNDERSTORM WAS MOVING
TOWARD THE EAST SOUTHEAST AT 25 MPH.
 
LARGE HAIL IS LIKELY WITH THIS SEVERE THUNDERSTORM.
 
CITIES IN THE PATH BY 245 PM INCLUDE...THE CITY OF EAU CLAIRE ANPD FALL
CREEK.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR PROTECTION
MOVE TO AN INTERIOR ROOM.  PEOPLE IN MOBILE HOMES SHOULD GO
TO A STORM SHELTER.
 NAISTAT

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, Aug 19, 1:33 PM CDT, 4 minutes before
WIZ025-026-027-028-191945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
133 PM CDT FRI AUG 19 1994

...STRONG THUNDERSTORMS MOVING THROUGH PARTS OF WEST CENTRAL
WISCONSIN...

AT 130 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS FROM EAU CLAIRE TO
DURAND AND MENOMONIE...ALL IN WISCONSIN. THESE THUNDERSTORMS WERE MOVING
TOWARD THE EAST SOUTHEAST AT ABOUT 25 MPH.

THESE STRONG THUNDERSTORMS...CAPABLE OF PRODUCING...HAIL...STRONG GUSTY
WINDS...HEAVY RAINS...AND DEADLY LIGHTNING WILL AFFFECT THESE WEST
CENTRAL WISCONSIN COUNTIES BY 245 PM...
 DUNN    CHIPPEWA      EAU CLAIRE    AND   PEPIN.

SOME CITIES THAT MAY BE AFFECTED BY THESE STORMS INCLUDE...
CHIPPEWA FALLS
EAU CLAIRE
DURAND
AUGUSTA
 AND BOYD.

IF THREATENING CONDTIONS APPROACH..MOVE TO A PLACE OF SAFETY.
 NAISTAT
Special weather statement, Aug 19, 1:35 PM CDT, 2 minutes before
WIZ025-026-027-028-191945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
133 PM CDT FRI AUG 19 1994

...STRONG THUNDERSTORMS MOVING THROUGH PARTS OF WEST CENTRAL
WISCONSIN...

AT 130 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS FROM EAU CLAIRE TO
DURAND AND MENOMONIE...ALL IN WISCONSIN. THESE THUNDERSTORMS WERE MOVING
TOWARD THE EAST SOUTHEAST AT ABOUT 25 MPH.

THESE STRONG THUNDERSTORMS...CAPABLE OF PRODUCING...HAIL...STRONG GUSTY
WINDS...HEAVY RAINS...AND DEADLY LIGHTNING WILL AFFFECT THESE WEST
CENTRAL WISCONSIN COUNTIES BY 245 PM...
 DUNN    CHIPPEWA      EAU CLAIRE    AND   PEPIN.

SOME CITIES THAT MAY BE AFFECTED BY THESE STORMS INCLUDE...
CHIPPEWA FALLS*
EAU CLAIRE
DURAND
AUGUSTA
 AND BOYD.

IF THREATENING CONDTIONS APPROACH..MOVE TO A PLACE OF SAFETY.
 NAISTAT

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.