Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 9, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Apr 15, 1994, 3:22 AM CDT for Dane County, Wisconsin. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 3:22 AM CDT (08:22 UTC)
- Expired
- Apr 15, 1994, 4:15 AM CDT
- In force
- 53 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Dane County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 8.4 hours before the alert went out and 389 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2199 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSN 150822 SVRMSN WIC025-150915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MADISON WI 322 AM CDT FRI APR 15 1994 THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL WISCONSIN ...DANE COUNTY AT 318 AM CDT A SPOTTER REPORTED GREATER THAN 50 MPH WINDS 6 MILES SOUTH OF THE CAPITAL...OR THE SOUTH SIDE OF MADISON. THE SEVERE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 40 TO 45 MILES AN HOUR. SOME CITIES IN THE PATH OF THIS SEVERE THUNDERSTORM ARE MADISON...MONONA ...SUN PRAIRIE...AND MARSHALL. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. PIERCE &
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, Apr 15, 12:03 AM CDT, 3 hours 19 minutes before
WIZ050-150700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 1200 AM CDT FRI APR 15 1994 ...STRONG THUNDERST0RMS HEADED TOWARD MANITOWOC COUNTY... AT 1150 PM...STRONG THUNDERSTORMS WERE LOCATED ABOUT 30 MILES SOUTHWEST OF MANITOWOC OR NEAR PLYMOUTH IN SHEBOYGAN COUNTY. THESE STORMS WERE MOVING TO THE NORTH AROUND 40 MPH AND WILL BE MOVING INTO THE CITY OF MANITOWOC BY 1 AM CDT. THESE STORMS LIKELY CONTAIN HEAVY RAINS...STROBNG WINDS...SMALL HAIL AND DEADLY LIGHTNING. IF THREATENING WEATHER APPROACHES...SEEK SAFE SHELTER INDOORS. BOATERS ON AREA LAKES AND THE LAKESHORE AREA SHOULD HEAD FOR SHORE IMMEDIATELY. ISAACSON
Special weather statement, Apr 15, 12:49 AM CDT, 2 hours 33 minutes before
WIZ037-150750- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 1250 AM CDT FRI APR 15 1994 ...STRONG THUNDERSTORMS APPROACHING WAUPACA COUNTY... AT 1245 AM...WEATHER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS 45 MILES SOUTHWEST OF APPLETON IN CENTRAL WAUSHARA COUNTY NEAR WILD ROSE. THESE STORMS WERE MOVING TO THE NORTH AROUND 45 MPH. THESE STORMS ARE EXPECTED TO AFFECT THE CITY OF WAUPACA BY 115 AM CDT. THESE STORMS LIKELY CONTAIN VERY HEAVY RAINS...SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING. IF THREATENING WEATHER APPROACHES...SEEK SAFE INDOOR SHELTER. BOATERS ON AREA LAKES SHOULD HEAD FOR SHORE IMMEDIATELY. ISAACSON
Special weather statement, Apr 15, 1:26 AM CDT, 1 hour 56 minutes before
WIZ020>022-031-037>040-048>050-150830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 125 AM CDT FRI APR 15 1994 ...NUMEROUS STRONG THUNDERSTORMS IN NORTHEAST WISCONSIN... AT 120 AM...WEATHER SERVICE RADAR INDICATED NUMEROUS STRONG THUNDERSTORMS ACROSS NORTHEAST WISCONSIN. THE STRONGEST STORMS WERE LOCATED FROM GREEN BAY TO 50 MILES WEST OF GREEN BAY IN NORTHERN WAUPACA COUNTY...AND FROM 35 MILES WEST OF APPLETON NEAR WAUPACA TO OSHKOSH. THESE STORMS WERE MOVING RAPIDLY TO THE NORTH AROUND 45 MPH AND LIKELY CONTAIN VERY HEAVY RAINS...SMALL HAIL...DEADLY LIGHTNING AND GUSTY WINDS. IF THREATENING WEATHER APPROACHES...SEEK SAFE INDOOR SHELTER. BOATERS ON AREA LAKES SHOULD REMAIN ON SHORE UNTIL THESE STORMS PASS. ISAACSON
Special weather statement, Apr 15, 2:55 AM CDT, 27 minutes before
WIZ013-019>022-031-037>040-048>050-151000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 255 AM CDT FRI APR 15 1994 ...STRONG THUNDERSTORMS IN NORTHEAST WISCONSIN... AT 250 AM...WEATHER SERVICE RADAR INDICATED NUMEROUS STRONG THUNDERSTORMS IN NORTHEAST WISCONSIN. THE STRONGEST STORMS WERE LOCATED FROM 50 MILES NORTHWEST OF GREEN BAY NEAR NEOPIT IN MENOMINEE COUNTY TO 15 MILES NORTH OF GREEN BAY NEAR ABRAMS IN SOUTHERN OCONTO COUNTY. OTHER STRONG STORMS WERE LOCATED 20 MILES EAST OF OSHKOSH IN CALUMET COUNTY. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTH AROUND 45 MPH. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINS...SMALL HAIL...FREQUENT DEADLY LIGHTNING "AND GUSTY WINDS. IF SEVERE WEATHER APPROACHES...SEEK SAFE INDOOR SHELTER. BOATERS ON AREA LAKES SHOULD REMAIN OFF THE WATER UNTIL THESE STORMS PASS. ISAACSON
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 12:06 AM CDT | Severe Thunderstorm Warning | GRB | Columbia | 54 min |
| Apr 15, 12:16 AM CDT | Severe Thunderstorm Warning | GRB | Rock | 59 min |
| Apr 15, 12:39 AM CDT | Severe Thunderstorm Warning | GRB | Juneau | 66 min |
| Apr 15, 12:55 AM CDT | Severe Thunderstorm Warning | GRB | Dane | 65 min |
| Apr 15, 2:10 AM CDT | Severe Thunderstorm Warning | GRB | Winnebago | 35 min |
| Apr 15, 2:30 AM CDT | Severe Thunderstorm Warning | GRB | Dane, Iowa | 45 min |
| Apr 15, 2:56 AM CDT | Severe Thunderstorm Warning | GRB | Green | 49 min |
| Apr 15, 3:08 AM CDT | Severe Thunderstorm Warning | GRB | Columbia | 52 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.