Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 7, NWS Green Bay, WI

March 29, 1998Manitowoc County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Mar 29, 1998, 12:29 PM CST for Manitowoc County, Wisconsin. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 29, 1998, 12:29 PM CST (18:29 UTC)
Expired: Mar 29, 1998, 1:30 PM CST
In force: 61 min
Issued by: NWS Green Bay, WI
Area: Whole counties

County Manitowoc County, WI

What was reported inside it

Time	Report	Where	Remark
Mar 29, 1:05 PM CST	Hail 0.75	Cooperstown, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 29, 11:00 AM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.5 hours before the alert went out and 54 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 987 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

627 
WUUS1 KGRB 291830 RRA
SVRGRB
WIC071-291930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1229 PM CST SUN MAR 29 1998

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN AND CENTRAL MANITOWOC COUNTY - EAST CENTRAL WISCONSIN

* UNTIL 130 PM CST
 
* SOME LOCATIONS AFFECTED
  MARIBEL
  KELLNERSVILLE
  REEDSVILLE

* AT 1226 PM NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 25 MILES NORTHWEST OF MANITOWOC...NEAR
  DUNDAS. THE STORM WAS MOVING EAST AT 35 MPH...AND HAS
  PRODUCED 4 INCH HAIL AT ST JOHN AT 1225 PM.

* THE STORM WILL BE NEAR REEDSVILLE BY 1245 PM.

THIS IS A DANGEROUS STORM WITH HAIL LARGER THAN AN INCH IN
DIAMETER. MOVE TO A STURDY SHELTER.

REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.

JKL/APK
&

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.

NWS Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 29, 7:45 AM CST, 4 hours 44 minutes earlier.

Area forecast discussion, Mar 29, 7:45 AM CST, 4 hours 44 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
745 AM CST SUN MAR 29 1998

12Z UPR AIR DATA CONTINUES TO SUPPORT THE THREAT OF SVR WX ACRS THE AREA
LATER TDA. 12Z TOP SOUNDING HAD LI OF -7 AND THE ATM IN THE CENTRAL US
HAS VERY STEEP MID-LVL LAPSE RATES. STG TSTMS WERE DEVELOPING ACRS IA
AND SE MN IN RGN OF STG ISENTROPIC LIFT. THIS APPEARS TO BE AT THE NOSE
OF THE LLJ...BUT N/S ORIENTATION OF THE STORMS ALSO SUGGESTS THAT THERE
MAY BE A WK SHRTWV MOVG THROUGH THAT AREA.

ISENTROPIC LIFT ACRS WI IS MUCH WEAKER ATTM...BUT IT WILL INCR LATER
TDA. SITN IS EVOLVING PRETTY MUCH AS EXPECTED...THOUGH ONSET OF SVR
THREAT ACRS CENTRAL WI MAY OCCUR A BIT EARLIER THAN EARLIER THOUGHT.
\
JS

In the hours before

Local storm report, Mar 29, 11:53 AM CST, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1153 AM CST SUN MAR 29 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1100 AM    10 W WILD ROSE            WI   1.75 INCH HAIL
03/29/98   WAUSHARA

1108 AM    WAUTOMA                   WI   .75 INCH HAIL
03/29/98   WAUSHARA

1110 AM    2 SW WILD ROSE            WI   1.75 INCH HAIL
03/29/98   WAUSHARA

1129 AM    WEST BLOOMFIELD           WI   1.75 INCH HAIL
03/29/98   WAUSHARA

1129 AM    WINCHESTER                WI   2 INCH HAIL
03/29/98   WINNEBAGO

JML

Local storm report, Mar 29, 11:53 AM CST, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1153 AM CST SUN MAR 29 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1100 AM    10 W WILD ROSE            WI   1.75 INCH HAIL
03/29/98   WAUSHARA

1108 AM    WAUTOMA                   WI   .75 INCH HAIL
03/29/98   WAUSHARA

1110 AM    2 SW WILD ROSE            WI   1.75 INCH HAIL
03/29/98   WAUSHARA

1129 AM    WEST BLOOMFIELD           WI   1.75 INCH HAIL
03/29/98   WAUSHARA

1129 AM    WINCHESTER                WI   2 INCH HAIL
03/29/98   WINNEBAGO

JML

Local storm report, Mar 29, 12:03 PM CST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1203 PM CST SUN MAR 29 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1203 PM    3 W APPLETON              WI   2 INCH HAIL
03/29/98   OUTAGAMIE

JML

Local storm report, Mar 29, 12:03 PM CST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1203 PM CST SUN MAR 29 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1203 PM    3 W APPLETON              WI   2 INCH HAIL
03/29/98   OUTAGAMIE

JML

Local storm report, Mar 29, 12:14 PM CST, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1214 PM CST SUN MAR 29 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1210 PM    APPLETON                  WI   1.75 INCH HAIL
03/29/98   CALUMET

JML

Local storm report, Mar 29, 12:14 PM CST, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1214 PM CST SUN MAR 29 1998

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1210 PM    APPLETON                  WI   1.75 INCH HAIL
03/29/98   CALUMET

JML

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 10:41 AM CST	Severe Thunderstorm Warning	GRB	Portage, Waushara	44 min
Mar 29, 11:07 AM CST	Severe Thunderstorm Warning	GRB	Waupaca	43 min
Mar 29, 11:27 AM CST	Severe Thunderstorm Warning	GRB	Waushara	33 min
Mar 29, 11:31 AM CST	Severe Thunderstorm Warning	GRB	Winnebago	49 min
Mar 29, 11:57 AM CST	Severe Thunderstorm Warning	GRB	Calumet, Outagamie	53 min
Mar 29, 12:12 PM CST	Severe Thunderstorm Warning	GRB	Brown	63 min
Mar 29, 12:46 PM CST	Severe Thunderstorm Warning	GRB	Wood	59 min
Mar 29, 12:50 PM CST	Severe Thunderstorm Warning	GRB	Kewaunee	50 min
Mar 29, 1:10 PM CST	Severe Thunderstorm Warning	GRB	Portage	40 min
Mar 29, 2:15 PM CST	Severe Thunderstorm Warning	GRB	Menominee, Shawano	45 min
Mar 29, 2:30 PM CST	Severe Thunderstorm Warning	GRB	Lincoln	45 min
Mar 29, 2:38 PM CST	Severe Thunderstorm Warning	GRB	Oconto	52 min
Mar 29, 3:00 PM CST	Severe Thunderstorm Warning	GRB	Marinette	60 min
Mar 29, 3:30 PM CST	Severe Thunderstorm Warning	GRB	Door	45 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.