Alert archive / Iowa / Tornado Warnings in 2004

Tornado Warning 10, NWS La Crosse, WI

June 16, 2004Howard County, Iowa

NWS La Crosse, WI issued this tornado warning at Jun 16, 2004, 2:05 PM CDT for Howard County, Iowa. It was in force for 55 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
Jun 16, 2004, 2:05 PM CDT (19:05 UTC)
Expired
Jun 16, 2004, 3:00 PM CDT
In force
55 min
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Howard County, IA

The radar

The La Crosse radar (KARX), 103 km from the middle of the area, began a volume at 19:06 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.1 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2004-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 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, Minneapolis, MN at 12:00Z on 2004-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
421 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-70 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.

217 
WFUS53 KARX 161905
TORARX
IAC089-162000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
205 PM CDT WED JUN 16 2004

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  HOWARD COUNTY IN NORTHEAST IOWA

* UNTIL 300 PM CDT

* AT 205 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO OVER DAVIS
  CORNERS...OR ABOUT 8 MILES WEST OF CRESCO. THE TORNADO WAS MOVING
  NORTHEAST AT 5 MPH.

* THE TORNADO WILL BE NEAR...
  LIME SPRINGS AROUND 230 PM CDT...
  VERNON SPRINGS AROUND 235 PM CDT...
  VERNON SPRINGS COUNTY PARK AROUND 240 PM CDT...
  BONAIR AROUND 245 PM CDT...
  CRESCO AROUND 255 PM CDT...

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

LAT...LON 4338 9244 4324 9229 4332 9209 4350 9224

$$

KRC

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 5:38 AM CDTFlash Flood WarningARXFayette4 hr
Jun 16, 2:49 PM CDTTornado WarningARXMitchell56 min
Jun 16, 3:07 PM CDTTornado WarningARXFloyd53 min
Jun 16, 4:12 PM CDTFlash Flood WarningARXHoward, Mitchell4 hr
Jun 16, 5:16 PM CDTFlash Flood WarningARXFayette4 hr

Nearby

Tornado Warnings in Iowa, 2004Every tornado warning in 2004Tornadoes in 2004

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.