Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 16, NWS La Crosse, WI

June 7, 2008Chickasaw County, Iowa

NWS La Crosse, WI issued this tornado warning at Jun 7, 2008, 2:49 PM CDT for Chickasaw County, Iowa. It was in force for 26 min. 4 reports 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 7, 2008, 2:49 PM CDT (19:49 UTC)
Expired
Jun 7, 2008, 3:15 PM CDT
In force
26 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon

County Chickasaw County, IA

The radar

The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 19:49 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
Jun 7, 3:02 PM CDTFUNNEL CLOUD1 W North Washington, IA
Jun 7, 3:02 PM CDTFUNNEL CLOUD1 W North Washington, IA
Jun 7, 3:25 PM CDTHAIL 0.54 Sw Alta Vista, IA
Jun 7, 3:25 PM CDTHAIL 0.54 Sw Alta Vista, IA

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 7, 12:17 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.8 hours before the alert went out and 213 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, Minneapolis, MN at 12:00Z on 2008-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.1939587897117Sfc1 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
131 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
1341 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KARX 071948
TORARX
IAC037-072015-
/O.NEW.KARX.TO.W.0016.080607T1949Z-080607T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
249 PM CDT SAT JUN 7 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHICKASAW COUNTY IN NORTHEAST IOWA...

* UNTIL 315 PM CDT

* AT 244 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 4 MILES SOUTHWEST OF BASSETT...OR 6 MILES SOUTHEAST OF
  CHARLES CITY...MOVING NORTHEAST AT 44 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAY 18 AND COUNTY V 18 AND DEERFIELD AROUND 255 PM...
  NEW HAMPTON AND NORTH WASHINGTON AROUND 300 PM...
  HIGHWAY 63 AND COUNTY B 33 AROUND 305 PM...
  JERICO AND LAWLER AROUND 310 PM...
  SAUDE AND COUNTY ROADS V 56 AND B 33 AROUND 315 PM...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY EVENING FOR
NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND SOUTHWESTERN WISCONSIN.

LAT...LON 4321 9256 4321 9214 4303 9214 4299 9256
      4315 9255
TIME...MOT...LOC 1949Z 236DEG 38KT 4306 9251

$$

RABERDING
3 follow-up statements
000 
WWUS53 KARX 071957
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
257 PM CDT SAT JUN 7 2008

IAC037-072015-
/O.CON.KARX.TO.W.0016.000000T0000Z-080607T2015Z/
CHICKASAW IA-
257 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR NORTHERN
CHICKASAW COUNTY...

AT 253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BASSETT...OR ABOUT
9 MILES WEST OF NEW HAMPTON...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  NEW HAMPTON AND DEVON AROUND 305 PM...
  JERICO AND HIGHWAY 63 AND COUNTY B 22 AROUND 310 PM...
  LAWLER AND SAUDE AROUND 315 PM...

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

LAT...LON 4321 9256 4321 9214 4303 9214 4299 9256
      4315 9255
TIME...MOT...LOC 1957Z 236DEG 34KT 4309 9245

$$

RABERDING
000 
WWUS53 KARX 072003
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
302 PM CDT SAT JUN 7 2008

IAC037-072015-
/O.CON.KARX.TO.W.0016.000000T0000Z-080607T2015Z/
CHICKASAW IA-
302 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR NORTHERN
CHICKASAW COUNTY...

AT 258 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A FUNNEL CLOUD 
SOUTHWEST OF NORTH WASHINGTON. MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  HIGHWAY 63 AND COUNTY B 33 AND ALTA VISTA AROUND 310 PM...
  JERICO AND LAWLER AROUND 315 PM...

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

LAT...LON 4321 9230 4321 9214 4303 9214 4299 9256
      4315 9255 4321 9256
TIME...MOT...LOC 2002Z 230DEG 30KT 4312 9241

$$

RABERDING
000 
WWUS53 KARX 072014
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
314 PM CDT SAT JUN 7 2008

IAC037-072024-
/O.EXP.KARX.TO.W.0016.000000T0000Z-080607T2015Z/
CHICKASAW IA-
314 PM CDT SAT JUN 7 2008

...THE TORNADO WARNING FOR NORTHERN CHICKASAW COUNTY EXPIRES AT 315
PM CDT...

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

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

LAT...LON 4321 9230 4321 9214 4303 9214 4299 9256
      4315 9255 4321 9256
TIME...MOT...LOC 2014Z 230DEG 30KT 4318 9230

$$

RABERDING

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 4:02 AM CDTFlash Flood WatchARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more44 hr
Jun 7, 12:52 PM CDTTornado WarningARXClayton23 min
Jun 7, 1:17 PM CDTTornado WarningARXAllamakee, Clayton43 min
Jun 7, 3:35 PM CDTTornado WarningARXChickasaw, Howard40 min
Jun 7, 3:41 PM CDTTornado WarningARXChickasaw, Floyd34 min
Jun 7, 4:35 PM CDTTornado WarningARXMitchell40 min
Jun 7, 5:22 PM CDTTornado WarningARXMitchell38 min
Jun 7, 6:00 PM CDTSevere Thunderstorm WarningARXMitchell30 min
Jun 7, 6:03 PM CDTFlash Flood WarningARXMitchell6 hr
Jun 7, 6:18 PM CDTFlash Flood WarningARXHoward6 hr
Jun 7, 6:21 PM CDTSevere Thunderstorm WarningARXHoward54 min

Nearby

Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes in 2008

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.