Alert archive / Wisconsin / Tornado Warnings in 2009
Tornado Warning 20, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jul 27, 2009, 6:10 PM CDT for Richland County, Wisconsin. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2009, 6:10 PM CDT (23:10 UTC)
- Expired
- Jul 27, 2009, 6:41 PM CDT
- In force
- 31 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
County Richland County, WI
The radar
The La Crosse radar (KARX), 86 km from the middle of the area, began a volume at 23:12 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 27, 2:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.2 hours before the alert went out and 195 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
- 21 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1158 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KARX 272310 TORARX WIC103-280000- /O.NEW.KARX.TO.W.0020.090727T2310Z-090728T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 610 PM CDT MON JUL 27 2009 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL RICHLAND COUNTY IN SOUTHWEST WISCONSIN... * UNTIL 700 PM CDT * AT 608 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR GILLINGHAM...OR 7 MILES NORTH OF RICHLAND CENTER...MOVING EAST AT 25 MPH. * THE TORNADO WILL BE NEAR... RICHLAND CENTER AROUND 615 PM... ITHACA AROUND 625 PM... HIGHWAYS 58 AND 154 AND LOYD AROUND 630 PM... KEYESVILLE AROUND 635 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS && LAT...LON 4332 9019 4333 9055 4346 9046 4343 9019 TIME...MOT...LOC 2311Z 289DEG 21KT 4343 9038 $$ RRS
2 follow-up statements
000 WWUS53 KARX 272328 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 628 PM CDT MON JUL 27 2009 WIC103-280000- /O.CON.KARX.TO.W.0020.000000T0000Z-090728T0000Z/ RICHLAND WI- 628 PM CDT MON JUL 27 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR EAST CENTRAL RICHLAND COUNTY... AT 627 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS THUNDERSTORM WAS LOCATED NEAR NEPTUNE...OR 7 MILES EAST OF RICHLAND CENTER...MOVING SOUTHEAST AT 25 MPH. * THE ROTATION AND THREAT OF A TORNADO WILL BE NEAR... RURAL EXTREME EAST CENTRAL RICHLAND COUNTY AT 640 PM PRECAUTIONARY/PREPAREDNESS ACTIONS... CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD. PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. && LAT...LON 4332 9019 4333 9046 4345 9034 4343 9019 TIME...MOT...LOC 2328Z 294DEG 22KT 4336 9024 $$ RRS
305 WWUS53 KARX 272341 RRA SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 641 PM CDT MON JUL 27 2009 WIC103-272351- /O.CAN.KARX.TO.W.0020.000000T0000Z-090728T0000Z/ RICHLAND WI- 641 PM CDT MON JUL 27 2009 ...THE TORNADO WARNING FOR EAST CENTRAL RICHLAND COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THIS WARNING HAS WEAKENED AND NO LONGER APPEARS CAPABLE OF PRODUCING SEVERE WEATHER. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND SOUTHWESTERN WISCONSIN. LAT...LON 4332 9019 4333 9046 4345 9034 4343 9019 TIME...MOT...LOC 2341Z 294DEG 22KT 4333 9014 $$ RRS
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:15 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson | 60 min |
| Jul 27, 2:50 PM CDT | Severe Thunderstorm Warning | ARX | Jackson | 25 min |
| Jul 27, 3:07 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Trempealeau | 33 min |
| Jul 27, 3:12 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Juneau | 48 min |
| Jul 27, 3:29 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 46 min |
| Jul 27, 4:12 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 48 min |
| Jul 27, 4:21 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 39 min |
| Jul 27, 4:44 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Vernon | 61 min |
| Jul 27, 5:00 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Richland | 60 min |
| Jul 27, 5:15 PM CDT | Tornado Warning | ARX | Crawford, Richland | 60 min |
| Jul 27, 5:36 PM CDT | Tornado Warning | ARX | Richland | 54 min |
| Jul 27, 5:59 PM CDT | Tornado Warning | ARX | Grant, Richland | 42 min |
| Jul 27, 6:21 PM CDT | Tornado Warning | ARX | Grant | 24 min |
| Jul 27, 6:24 PM CDT | Areal Flood Advisory | ARX | Crawford, Grant, Richland | 106 min |
Nearby
Tornado Warnings in Wisconsin, 2009Every tornado warning in 2009Tornadoes in 2009
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; radar from the NEXRAD Level II archive.