Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 12, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Apr 18, 2002, 7:03 PM CDT for Price County, Wisconsin. It was in force for 57 min. 3 reports 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
- Apr 18, 2002, 7:03 PM CDT (00:03 UTC)
- Expired
- Apr 18, 2002, 8:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Duluth, MN
- Area
- Counties, with a storm outline in the text
County Price County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 18, 7:03 PM CDT | Hail 0.88 | Phillips, WI | |
| Apr 18, 7:19 PM CDT | Hail 1 | Catawba, WI | |
| Apr 18, 7:35 PM CDT | Hail 1 | Prentice, 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.1 hours before the alert went out and 222 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
- 188 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 2321 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 18, 3:15 PM CDT, 3 hours 48 minutes earlier.
Area forecast discussion, Apr 18, 3:15 PM CDT, 3 hours 48 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 315 PM CDT THU APR 18 2002 CURRENT LOW PRESSURE IS OVER SOUTHERN MINNESOTA. THE ASSOCIATED WARM FRONT IS JUST SOUTH OF THE WISCONSIN COUNTIES...NIPPING AT PRICE COUNTY. THE H85 JET CORE IS OVER EASTERN WISCONSIN...FEEDING THE STORMS IN THAT REGION. STILL A SEVERE WEATHER POTENTIAL IN OUR WI COUNTIES WITH THE INSTABILITY AND SHEAR...BUT EXPECT MOST WEATHER TO BE EAST. STILL LOOKING FOR HAIL AS THE PRIMARY THREAT...ALTHOUGH SOME STRONG WINDS COULD PUNCH THROUGH THE WEAK STABLE LAYER NEAR THE SURFACE. STILL KEEPING AN EYE ON THIS SITUATION. MEANWHILE...SOME LIGHT RAIN/SNOW OVER CENTRAL/EASTERN NORTH DAKOTA...ASSOCIATED WITH AN H5 VORT...IS MOVING EASTWARD. ETA/NGM BRING THE H5 VORT CENTER TO THE NORTHEAST TIP OF MN BY 12Z. AVN IS FASTER...EXTENDING EAST INTO CANADA...WHICH IS A BIT TOO FAST. WITH THE ETA/NGM...PRECIP WILL PRIMARILY BE OVER THE BORDERLAND. ETA BUFR DATA INDICATES THE SWITCH OVER TO A SNOW PROFILE BY 9 PM TONIGHT. WILL MENTION SWITCH TO WET SNOW WITH UNDER AN INCH ACCUMULATION ALONG THE BORDERLAND. FRIDAY WILL SEE STIFF NORTHERLY WINDS AS HIGH PRESSURE BUILDS. CLOUDS WILL DISSIPATE AS DRYER AIR MASS ADVECTS IN FRIDAY. WILL LEAVE OUT MENTION OF PRECIP FRIDAY INTO SATURDAY. GUIDANCE TEMPS LOOKED GOOD IN GENERAL. MAV NUMBERS WERE HIGHER THAN FWC ON SATURDAY. WENT WITH A BLEND ON THIS DAY. .DLH...NONE. KFM
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2002Every severe thunderstorm warning in 2002
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.