Alert archive / Wisconsin / Tornado Warnings in 2007

Tornado Warning 8, NWS La Crosse, WI

May 26, 2007Grant County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 26, 2007, 5:44 PM CDT for Grant County, Wisconsin. It was in force for 27 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
May 26, 2007, 5:44 PM CDT (22:44 UTC)
Expired
May 26, 2007, 6:11 PM CDT
In force
27 min
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Grant County, WI

The radar

The Quad Cities radar (KDVN), 108 km from the middle of the area, began a volume at 22:46 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

TimeReportWhereRemark
May 26, 6:20 PM CDTFUNNEL CLOUD1 Nw Cuba City, WIREPORTED BY FIRE DEPT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.7 hours before the alert went out and 107 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-pSkew-T log-p diagram, Davenport, at 12:00Z on 2007-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 79 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2007-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
79 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
84 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.

000 
WFUS53 KARX 262244
TORARX
WIC043-262330-
/O.NEW.KARX.TO.W.0008.070526T2244Z-070526T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
544 PM CDT SAT MAY 26 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GRANT COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 630 PM CDT

* AT 542 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO NEAR DICKEYVILLE...OR
  ABOUT 9 MILES NORTH OF DUBUQUE...MOVING EAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  SANDY HOOK AND KIELER AROUND 545 PM...
  DICKEYVILLE AROUND 550 PM...
  CORNELIA AND LOUISBURG AROUND 555 PM...
  BIG PATCH AND GEORGETOWN AROUND 610 PM...
  HAZEL GREEN AROUND 615 PM...

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

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 4251 9064 4265 9071 4274 9042 4251 9042

$$

MW
2 follow-up statements
000 
WWUS53 KARX 262301
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
600 PM CDT SAT MAY 26 2007

WIC043-262330-
/O.CON.KARX.TO.W.0008.000000T0000Z-070526T2330Z/
GRANT WI-
600 PM CDT SAT MAY 26 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHERN GRANT COUNTY...

AT 558 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A THUNDERSTORM WITH ROTATION. THIS STORM WAS LOCATED NEAR 
GEORGETOWN...OR 7 MILES SOUTH OF PLATTEVILLE...MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  CUBA CITY AND PLATTEVILLE AIRPORT AROUND 610 PM...

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 4257 9057 4267 9062 4274 9042 4257 9042

$$

MW
000 
WWUS53 KARX 262311
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
611 PM CDT SAT MAY 26 2007

WIC043-262321-
/O.CAN.KARX.TO.W.0008.000000T0000Z-070526T2330Z/
GRANT WI-
611 PM CDT SAT MAY 26 2007

...THE TORNADO WARNING FOR SOUTHERN GRANT COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THIS WARNING HAS WEAKENED AND NO LONGER
APPEARS CAPABLE OF PRODUCING SEVERE WEATHER.

LAT...LON 4257 9057 4267 9062 4274 9042 4257 9042

$$

MW

Nearby

Tornado Warnings in Wisconsin, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.