Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 36, NWS Green Bay, WI

September 14, 1990Menominee County, Oconto County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 14, 1990, 12:07 AM CDT for Menominee County, Oconto County, Wisconsin. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Sep 14, 1990, 12:07 AM CDT (05:07 UTC)
Expired
Sep 14, 1990, 1:15 AM CDT
In force
68 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Menominee County, WI, Oconto County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.1 hours before the alert went out and 65 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 00:00Z on 1990-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 811 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 00:00Z on 1990-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
811 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 140507
SVRGRB
WIC075-078-083-140615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
1207 AM CDT FRI SEP 14 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 115 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF WISCONSIN
      MARINETTE...MENOMINEE...OCONTO

AT 12 MIDNIGHT CDT...RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM JUST WEST OF WAUSAU...NORTHEASTWARD TO EXTREME
NORTHERN MARINETTE COUNTY.  THESE STORMS ARE CAPABLE OF PRODUCING
DAMAGING WINDS...LARGE HAIL...AND DANGEROUS LIGHTNING.

MOVEMENT WAS SOUTHEAST AT 40 MPH.
SOME TOWNS IN THE PATH OF THESE STORMS ARE NEOPIT...WITTENBURG...
MOUNTAIN AND WAUSAUKEE.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT =TO
RAPIDLY CHANGING WEATHER CONDITIONS.

BRUSKY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 11:24 PM CDTSevere Thunderstorm WarningGRBForest, Langlade66 min
Sep 13, 11:46 PM CDTSevere Thunderstorm WarningGRBFlorence59 min
Sep 14, 12:07 AM CDTSevere Thunderstorm WarningGRBMarinette68 min
Sep 14, 12:33 AM CDTSevere Thunderstorm WarningGRBForest, Langlade42 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990

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.