Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 77, NWS Green Bay, WI

August 19, 1994Green County, Rock County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 19, 1994, 4:25 PM CDT for Green County, Rock County, Wisconsin. It was in force for 74 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1994, 4:25 PM CDT (21:25 UTC)
Expired
Aug 19, 1994, 5:39 PM CDT
In force
74 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Green County, WI, Rock County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 hours before the alert went out and 224 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 1994-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 1994-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.1939Sfc1 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
15 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
27 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, Aug 19, 2:38 PM CDT, 1 hour 47 minutes before
WIZ019-192040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
238 PM CDT FRI AUG 19 1994

...SEVERE THUNDERSTORMS APPROACHING WESTERN LANGLADE COUNTY...

AT 235 PM WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
SOUTHERN LINCOLN COUNTY ABOUT 5 MILES WEST OF THE TOWN OF MERRILL
OR 30 MILES WEST OF THE CITY OF ANTIGO.  THESE STORMS WERE MOVING EAST
AT 30 MILES AN HOUR AND WILL MOVE INTO WESTERN LANGLADE COUNTY BY 3 PM
AND BE NEAR ANTIGO BY 330 PM.

THESE STORMS WILL PRODUCE LARGE HAIL...STRONG WINDS AND DEADLY
LIGHTNING.

PEOPLE IN WESTERN LANGLADE COUNTY SHOULD BE READY TO MOVE TO A PLACE
OF SAFETY WHEN THESE THUNDERSTORMS REACH YOUR LOCATION.

WWUS35KTLH.U
Special weather statement, Aug 19, 2:40 PM CDT, 1 hour 45 minutes before
WIZ019-192040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
238 PM CDT FRI AUG 19 1994

...SEVERE THUNDERSTORMS APPROACHING WESTERN LANGLADE COUNTY...

AT 235 PM WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
SOUTHERN LINCOLN COUNTY ABOUT 5 MILES WEST OF THE TOWN OF MERRILL
OR 30 MILES WEST OF THE CITY OF ANTIGO.  THESE STORMS WERE MOVING EAST
AT 30 MILES AN HOUR AND WILL MOVE INTO WESTERN LANGLADE COUNTY BY 3 PM
AND BE NEAR ANTIGO BY 330 PM.

THESE STORMS WILL PRODUCE LARGE HAIL...STRONG WINDS AND DEADLY
LIGHTNING.

PEOPLE IN WESTERN LANGLADE COUNTY SHOULD BE READY TO MOVE TO A PLACE
OF SAFETY WHEN THESE THUNDERSTORMS REACH YOUR LOCATION.
Special weather statement, Aug 19, 4:01 PM CDT, 24 minutes before
WIZ031-192205-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
401 PM CDT FRI AUG 19 1994

...SEVERE THUNDERSTORMS APPROACHING WESTERN SHAWANO COUNTY...

AT 355 PM WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
MARATHON  COUNTY 10 MILES SOUTHEAST OF WAUSAU. THESE STORMS
WERE MOVING EAST AT 35 MILES AN HOUR AND WILL BE MOVING INTO
WESTERN SHAWANO COUNTY BY 415 PM.

PEOPLE IN WESTERN SHAWANO AND NORTHERN WAUPACA COUNTIES INCLUDING THE
TOWNS OF MATTOON...BIRNAMWOOD AND BOWLER SHOULD BE ALERT FOR
THUNDERSTORMS AND BE READY TO MOVE TO A PLACE OF SAFETY WHEN THESE
STORMS APPROACH.
Special weather statement, Aug 19, 4:02 PM CDT, 23 minutes before
WIZ031-192205-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
401 PM CDT FRI AUG 19 1994

...SEVERE THUNDERSTORMS APPROACHING WESTERN SHAWANO COUNTY...

AT 355 PM WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
MARATHON  COUNTY 10 MILES SOUTHEAST OF WAUSAU. THESE STORMS
WERE MOVING EAST AT 35 MILES AN HOUR AND WILL BE MOVING INTO
WESTERN SHAWANO COUNTY BY 415 PM.

PEOPLE IN WESTERN SHAWANO AND NORTHERN WAUPACA COUNTIES INCLUDING THE
TOWNS OF MATTOON...BIRNAMWOOD AND BOWLER SHOULD BE ALERT FOR
THUNDERSTORMS AND BE READY TO MOVE TO A PLACE OF SAFETY WHEN THESE
STORMS APPROACH.
Special weather statement, Aug 19, 4:15 PM CDT, 10 minutes before
WIZ011>013-019>022-031-037>040-048>050-503-192300-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
415 PM CDT FRI AUG 19 1994

...TORNADO WATCH FOR EAST CENTRAL-WISCONSIN UNTIL 800 PM...

A TORNADO WATCH REMAINS IN EFFECT FOR EAST-CENTRAL WISCONSIN UNTIL 800
PM TONIGHT.  THE WATCH INCLUDES THE GREEN BAY METROPOLITAN AREA...AND
POINTS TO THE SOUTH.

AT 410 PM...A BAND OF THUNDERSTORMS EXTENDED FROM NEAR IRON
MOUNTAIN MICHIGAN...SOUTHWEST...TO JUST SOUTHEAST OF WAUSAU.
THESE STORMS WILL MOVE SOUTHEAST INTO THE WATCH AREA DURING THE
EVENING HOURS.  LARGE HAIL AND STRONG WINDS HAVE BEEN REPORTED
WITH THESE STORMS EARLIER THIS AFTERNOON.

RESIDENTS OF NORTHEAST AND EAST-CENTRAL WISCONSIN SHOULD REMAIN
ALERT FOR THREATENING WEATHER LATE THIS AFTERNOON AND THIS
EVENING.  IF YOU ARE PLANNING OUTDOOR ACTIVITIES...TAKE A
PORTABLE RADIO WITH YOU AND MONITOR LATER STATEMENTS ON THESE
THUNDERSTORMS.

MOSTLY CLOUDY SKIES AND TEMPERATURES IN THE 70S WILL PERSIST
THROUGH 600 PM.

SKOWRONSKI

TO 36 HR POSIT* 310 DEG/ 07 KTS
    ---
   36 HRS* VALID AT*
   210600Z9 --- 24.8N4 121.7E1
   MAX SUSTAINED WINDS - 120 KT* GUSTS 145 KT
   RADIUS OF 100 KT WINDS - 020 NM OVER WATER
   RADIUS OF 050 KT WINDS - 070 NM OVER WATER
   RADIUS OF 035 KT WINDS - 180 NM OVER WATER
   VECTOR TO 48 HR POSIT* 300 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK*
   48 HRS* VALID AT*
   211800Z2 --- 25.7N4 120.2E5
   MAX SUSTAINED WINDS - 105 KT* GUSTS 130 KT
   RADIUS OF 050 KT WINDS - 060 NM OVER WATER
   RADIUS OF 035 KT WINDS - 160 NM OVER WATER
   VECTOR TO 72 HR POSIT* 290 DEG/ 09 KTS
    ---
  72 HRS* VALID AT*
   221800Z3 --- 27.1N0 116.5E3
   MAX SUSTAINED WINDS - 050 KT* GUSTS 065 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   RADIUS OF 035 KT WINDS - 075 NM OVER WATER
    ---
REMARKS*

192100Z3 POSITION 22.6N0 125.0E8
SUPER TYPHOON FRED HAS TRACKED WEST-NORTHWESTWARD AND MAINTAINED
PREVIOUS INTENSITY OVER THE PAST SIX HOURS. FRED IS EXPECTED TO
REMAIN ON A WEST-NORTHWEST HEADING TOWARD NORTHERN TAIWAN. WE
EXPECT TO SEE A GRADUAL DECREASE IN INTENSITY AS FRED APPROACHES
TAIWAN AND THE CHINESE MAINLAND. NEXT WARNINGS AT 200300Z5 (DTG
200153Z1)* 200900Z1 (DTG 200753Z7)* 201500Z8 (DTG 201353Z4) AND
202100Z5 (DTG 201953Z0).
Special weather statement, Aug 19, 4:19 PM CDT, 6 minutes before
WIZ011>013-019>022-031-037>040-048>050-503-192300-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
415 PM CDT FRI AUG 19 1994

...TORNADO WATCH FOR EAST CENTRAL-WISCONSIN UNTIL 800 PM...

A TORNADO WATCH REMAINS IN EFFECT FOR EAST-CENTRAL WISCONSIN UNTIL 800
PM TONIGHT.  THE WATCH INCLUDES THE GREEN BAY METROPOLITAN AREA...AND
POINTS TO THE SOUTH.

AT 410 PM...A BAND OF THUNDERSTORMS EXTENDED FROM NEAR IRON
MOUNTAIN MICHIGAN...SOUTHWEST...TO JUST SOUTHEAST OF WAUSAU.
THESE STORMS WILL MOVE SOUTHEAST INTO THE WATCH AREA DURING THE
EVENING HOURS.  LARGE HAIL AND STRONG WINDS HAVE BEEN REPORTED
WITH THESE STORMS EARLIER THIS AFTERNOON.

RESIDENTS OF NORTHEAST AND EAST-CENTRAL WISCONSIN SHOULD REMAIN
ALERT FOR THREATENING WEATHER LATE THIS AFTERNOON AND THIS
EVENING.  IF YOU ARE PLANNING OUTDOOR ACTIVITIES...TAKE A
PORTABLE RADIO WITH YOU AND MONITOR LATER STATEMENTS ON THESE
THUNDERSTORMS.

MOSTLY CLOUDY SKIES AND TEMPERATURES IN THE 70S WILL PERSIST
THROUGH 600 PM.

SKOWRONSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 8:37 PM CDTSevere Thunderstorm WarningGRBRock68 min
Aug 19, 10:08 AM CDTSevere Thunderstorm WarningGRBIowa, Richland, Sauk52 min
Aug 19, 12:13 PM CDTSevere Thunderstorm WarningGRBDane25 min
Aug 19, 1:56 PM CDTSevere Thunderstorm WarningGRBIowa64 min
Aug 19, 2:41 PM CDTSevere Thunderstorm WarningGRBDane64 min
Aug 19, 2:57 PM CDTSevere Thunderstorm WarningGRBGreen63 min
Aug 19, 3:03 PM CDTSevere Thunderstorm WarningGRBIowa42 min
Aug 19, 3:38 PM CDTSevere Thunderstorm WarningGRBRock57 min
Aug 19, 3:44 PM CDTSevere Thunderstorm WarningGRBGreen46 min
Aug 19, 4:25 PM CDTSevere Thunderstorm WarningGRBShawano51 min
Aug 19, 4:25 PM CDTSevere Thunderstorm WarningGRBWaupaca65 min
Aug 19, 5:25 PM CDTSevere Thunderstorm WarningGRBBrown, Outagamie, Waupaca50 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.