Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 97, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Sep 13, 1994, 4:28 PM CDT for Oconto County, Shawano County, Wisconsin. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1994, 4:28 PM CDT (21:28 UTC)
- Expired
- Sep 13, 1994, 5:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
Counties Oconto County, WI, Shawano County, WI
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.5 hours before the alert went out and 56 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
- 58 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1203 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRB 132130 RRA SVRGRB WIC075-083-115-WIZ503-132215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 428 PM CDT TUE SEP 13 1994 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST WISCONSIN ...SOUTHERN MARINETTE COUNTY...SOUTHERN OCONTO COUNTY ...EASTERN SHAWANO COUNTY AND FOR MARINE INTERESTS ON A PORTION OF ...THE BAY OF GREEN BAY AT 430 PM WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM MOUNTAIN TO 10 NORTHWEST OF SHAWANO. THESE STORMS WERE MOVING EAST AT 40 MILES AN HOUR AND WILL MOVE ACROSS SOUTHERN MARINETTE...SOUTHERN OCONTO...AND EASTERN SHAWANO COUNTIES BY 515 PM. THIS WARNING ALSO INCLUDES THE WATERS OF THE BAY OF GREEN BAY FROM MARINETTE TO LITTLE SUAMICO. THESE STORMS HAVE BROUGHT DOWN TREES IN LANGLADE COUNTY AND MAY CONTAIN LARGE HAIL. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. &
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, Sep 13, 3:35 PM CDT, 53 minutes before
WIZ011-013-019-132140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 335 PM CDT TUE SEP 13 1994 ...STRONG THUNDERSTORMS OVER NORTHEAST WISCONSIN... AT 330 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS EXTENDING FROM WABENO IN FOREST COUNTY TO NEAR ANTIGO IN LANGLADE COUNTY. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE ACROSS CENTRAL MARINETTE AND INTO EASTERN LANGLADE COUNTY BY 415 PM. SOME TOWNS IN THE PATH OF THESE STRONG THUNDERSTORMS INCLUDE WAUSAUKEE...MOUNTAIN AND LANGLADE. THESE STORMS WILL PRODUCE HEAVY RAINS THAT MAY CAUSE MINOR FLOODING IN LOW LYING AREAS DURING THE LATE AFTERNOON AND EVENING.
Special weather statement, Sep 13, 3:38 PM CDT, 50 minutes before
WIZ011-013-019-132140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 335 PM CDT TUE SEP 13 1994 ...STRONG THUNDERSTORMS OVER NORTHEAST WISCONSIN... AT 330 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS EXTENDING FROM WABENO IN FOREST COUNTY TO NEAR ANTIGO IN LANGLADE COUNTY. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE ACROSS CENTRAL MARINETTE AND INTO EASTERN LANGLADE COUNTY BY 415 PM. SOME TOWNS IN THE PATH OTF THESE STRONG THUNDERSTORMS INCLUDE WAUSAUKEE...MOUNTAIN AND LANGLADE. THESE STORMS WILL PRODUCE HEAVY RAINS THAT MAY CAUSE MINOR FLOODING IN LOW LYING AREAS DURING THE LATE AFTERNOON AND EVENING.
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 4:10 PM CDT | Severe Thunderstorm Warning | GRB | Menominee, Oconto | 50 min |
| Sep 13, 4:28 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 47 min |
| Sep 13, 5:15 PM CDT | Severe Thunderstorm Warning | GRB | Door, Kewaunee | 42 min |
| Sep 13, 5:15 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Outagamie | 42 min |
| Sep 13, 6:10 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Waupaca | 50 min |
| Sep 13, 6:10 PM CDT | Severe Thunderstorm Warning | GRB | Juneau | 80 min |
| Sep 13, 6:37 PM CDT | Severe Thunderstorm Warning | GRB | Adams | 83 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.