Alert archive / Iowa / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 91, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jun 26, 2002, 1:47 PM CDT for Winneshiek County, Iowa. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 26, 2002, 1:47 PM CDT (18:47 UTC)
- Expired
- Jun 26, 2002, 2:30 PM CDT
- In force
- 43 min
- Issued by
- NWS La Crosse, WI
- Area
- Counties, with a storm outline in the text
County Winneshiek County, IA
The radar
The La Crosse radar (KARX), 80 km from the middle of the area, began a volume at 18:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 2:22 PM CDT | Tornado F0 | Ft Atkinson, IA |
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
Minneapolis, MN (KMPX), launched 12:00Z, 6.8 hours before the alert went out and 227 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
- 1160 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1198 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KARX 261847 SVRLSE IAC191-261930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI ISSUED BY NWS DES MOINES IA 144 PM CDT WED JUN 26 2002 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL AND SOUTHERN WINNESHIEK COUNTY IN NORTHEAST IOWA * UNTIL 230 PM CDT * AT 142 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER DECORAH...OR ABOUT 61 MILES NORTHEAST OF WATERLOO...MOVING SOUTH AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE... 7 MILES EAST OF SPILLVILLE AROUND 200 PM... NEAR CALMAR AROUND 205 PM... NEAR OSSIAN AROUND 210 PM AND 7 MILES WEST OF CASTALIA AROUND 215 PM. THIS WARNING REPLACES THE TORNADO WARNING THAT WAS IN AFFECT FOR WINNESHIEK COUNTY UNTIL 145 PM. AT 140 PM...DECORAH POLICE REPORTED ONE HALF INCH HAIL AND HEAVY RAIN IN DECORAY. HAIL UP TO THE SIZE OF NICKELS IS LIKELY IN THE WARNED AREA. MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS. IF YOU LIVE IN A MOBILE HOME...SEEK SHELTER IN A STURDY BUILDING. LAT...LON 4337 9164 4337 9207 4310 9207 4310 9162 JUNGBLUTH
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 1:09 PM CDT | Tornado Warning | ARX | Winneshiek | 36 min |
| Jun 26, 2:33 PM CDT | Tornado Warning | ARX | Fayette | 27 min |
| Jun 26, 3:36 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 24 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 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; radar from the NEXRAD Level II archive.