Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 87, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Aug 11, 2002, 5:24 PM CDT for Price County, Wisconsin. It was in force for 66 min. 2 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
- Aug 11, 2002, 5:24 PM CDT (22:24 UTC)
- Expired
- Aug 11, 2002, 6:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Duluth, MN
- Area
- Whole counties
County Price County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 11, 5:45 PM CDT | Thunderstorm Wind 50 E | Prentice, WI | Large tree limbs were blown down. |
| Aug 11, 6:00 PM CDT | Thunderstorm Wind 52 M | Catawba, 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 |
|---|---|---|---|
| Aug 11, 4:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 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
- 14 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1454 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
175 WUUS53 KDLH 112224 SVRDLH WIC099-112330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DULUTH MN 524 PM CDT SUN AUG 11 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PRICE COUNTY IN NORTH CENTRAL WISCONSIN... * UNTIL 630 PM CDT * AT 524 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL 2 MILES NORTHWEST OF PRENTICE...OR ABOUT 26 MILES SOUTH OF PARK FALLS...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BRANTWOOD AROUND 540 PM... SPIRIT AROUND 545 PM... THIS IS A DANGEROUS STORM WITH DAMAGING HAIL OVER ONE INCH...STAY INDOORS AWAY FROM WINDOWS. .END SHIMON
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 Aug 11, 2:28 PM CDT, 2 hours 56 minutes earlier.
Area forecast discussion, Aug 11, 2:28 PM CDT, 2 hours 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DULUTH MN 228 PM CDT SUN AUG 11 2002 FORECAST FOCUS IS ON THUNDERSTORM DEVELOPMENT TONIGHT INTO MONDAY. MODELS IN GOOD AGREEMENT WITH TIMING OF FRONT TONIGHT...AND THE ETA WAS USED FOR MOST OF DETAILS. LINE OF THUNDERSTORMS DEVELOPED THIS AFTERNOON FROM LEADER TO BRAINERD TO PINE CITY. THIS IN AREA OF SURFACE MOISTURE FLUX CONVERGENCE NORTH OF WARM FRONT. SOME OF THESE QUITE STRONG... PARTICULARLY IN PINE COUNTY WHERE WE WARNED. MORE STORMS EXPECTED ALONG COLD FRONT IN THE DAKOTAS WHERE A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED. AIRMASS VERY UNSTABLE THIS AFTERNOON AND WILL EXTEND INTO TONIGHT. LAPS SOUNDING NEAR BRD SHOWS LI/S DOWN TO -8 WITH CAPE 2561 J/KG AT 18Z. 18Z SURFACED CAPE FROM SPC SHOWS SIMILAR VALUES. SURFACE LOW WILL MOVE INTO SOUTHEAST NORTH DAKOTA THIS EVENING...AND LOW LEVEL FLOW IS BACKED TO SOUTHEAST TOWARD BRD/XVG/PWC AND WILL ENHANCE LOW LEVEL CONVERGENCE. ADDITIONAL SUPPORT FOR STORMS TONIGHT WILL BE THE 850MB 40KT WIND MAX FROM SOUTHWEST MN TO KDLH BY 06Z. WARM AIR ADVECTION...SURFACE COLD FRONT AND UPPER WAVE TO COMBINE WITH LIFTED INDICES AT 850MB -4 TO -5C TO PRODUCE THUNDERSTORMS TONIGHT. SURFACE FRONT MOVES INTO EASTERN MN MONDAY MORNING...AND SHOWERS/STORMS WILL BE LIKELY AHEAD OF IT...ESPECIALLY IN NORTHWEST WI ZONES. COOLER AIR MOVES IN BEHIND FRONT FOR TUESDAY. WENT CLOSER TO WARMER FWC/ETAROS NUMBERS FOR MONDAY AS THE THE MAV IS BRINGING THE COOL AIR TOO QUICKLY. .DLH...NONE. MELDE
In the hours before
Local storm report, Aug 11, 5:04 PM CDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
504 PM CDT SUN AUG 11 2002
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0420 PM SHELL LAKE WI 1.00 IN HAIL
08/11/02 WASHBURN REPORTED BY SPOTTER
0500 PM 2E BROOK PARK MN 1.75 IN HAIL
08/11/02 PINE REPORTED BY SPOTTERThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 2:22 PM CDT | Severe Thunderstorm Warning | DLH | Burnett | 53 min |
| Aug 11, 3:40 PM CDT | Severe Thunderstorm Warning | DLH | Burnett, Washburn | 65 min |
| Aug 11, 3:51 PM CDT | Tornado Warning | DLH | Burnett, Washburn | 54 min |
| Aug 11, 4:36 PM CDT | Severe Thunderstorm Warning | DLH | Sawyer | 54 min |
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.