Alert archive / Iowa / Tornado Warnings in 2005

Tornado Warning 14, NWS Des Moines, IA

June 4, 2005Marion County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 4, 2005, 7:35 PM CDT for Marion County, Iowa. It was in force for 46 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 4, 2005, 7:35 PM CDT (00:35 UTC)
Expired
Jun 4, 2005, 8:21 PM CDT
In force
46 min
Issued by
NWS Des Moines, IA
Area
Counties, with a storm outline in the text

County Marion County, IA

The radar

The Des Moines radar (KDMX), 60 km from the middle of the area, began a volume at 00:38 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.

IssuedProductOfficeLasted
Jun 4, 7:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.6 hours before the alert went out and 223 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 00:00Z on 2005-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2060 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2005-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.193958Sfc1 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
2060 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1369 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDMX 050036
TORDMX
IAC125-050130-
/O.NEW.KDMX.TO.W.0014.050605T0035Z-050605T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
735 PM CDT SAT JUN 4 2005

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MARION COUNTY IN SOUTH CENTRAL IOWA.

* UNTIL 830 PM CDT.

* AT 733 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR PLEASANTVILLE...OR 27 MILES SOUTHEAST OF DES
  MOINES...AND MOVING NORTHEAST AT 15 MPH.

* THE STORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHERN MARION
  COUNTY.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR
ROOM ON THE LOWEST FLOOR

IN ADDITION TO THE TORNADO...THIS STORM IS ALSO EXPECTED TO PRODUCE 
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THIS IS A HAZARDOUS SITUATION. SEEK SHELTER IN A BASEMENT...OR IN AN
INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE OUTSIDE OR IN A
CAR...SEEK SHELTER IN A REINFORCED BUILDING.

LAT...LON 4131 9333 4131 9301 4151 9288 4151 9328

$$

SMALL
3 follow-up statements
000 
WWUS53 KDMX 050048
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
747 PM CDT SAT JUN 4 2005

IAC125-050130-
/O.CON.KDMX.TO.W.0014.000000T0000Z-050605T0130Z/
MARION IA-
747 PM CDT SAT JUN 4 2005

...A TORNADO WARNING CONTINUES FOR NORTHERN MARION COUNTY UNTIL 830
PM CDT...

AT 746 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES NORTH OF KNOXVILLE...OR 30 MILES EAST OF
DES MOINES...AND MOVING NORTHEAST AT 25 MPH.

THIS TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHERN MARION
COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZED HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

IF SEVERE WEATHER WAS OBSERVED...CONTACT THE NATIONAL WEATHER SERVICE
OFFICE IN DES MOINES AT 1-800-759-9276.

LAT...LON 4131 9333 4131 9301 4151 9288 4151 9328

$$

SMALL
000 
WWUS53 KDMX 050106
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
806 PM CDT SAT JUN 4 2005

IAC125-050130-
/O.CON.KDMX.TO.W.0014.000000T0000Z-050605T0130Z/
MARION IA-
806 PM CDT SAT JUN 4 2005

...A TORNADO WARNING CONTINUES FOR NORTHERN MARION COUNTY UNTIL 830
PM CDT...

AT 803 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES NORTHWEST OF PELLA...OR 33 MILES EAST OF
DES MOINES...AND MOVING NORTHEAST AT 20 MPH.

THIS TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHERN MARION
COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

AMATEUR RADIO SPOTTERS REPORTED A ROTATING WALL CLOUD 7 MILES SOUTH 
OF MONROE NEAR HIGHWAY 14 AND G28 IN MARION COUNTY. 

IF SEVERE WEATHER WAS OBSERVED...CONTACT THE NATIONAL WEATHER SERVICE
OFFICE IN DES MOINES AT 1-800-759-9276.

LAT...LON 4131 9333 4131 9301 4151 9288 4151 9328

$$

SMALL
000 
WWUS53 KDMX 050121
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
820 PM CDT SAT JUN 4 2005

IAC125-050130-
/O.CAN.KDMX.TO.W.0014.000000T0000Z-050605T0130Z/
MARION IA-
820 PM CDT SAT JUN 4 2005

...THE TORNADO WARNING FOR NORTHERN MARION COUNTY HAS BEEN 
CANCELLED...

AT 816 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 2 AM SUNDAY 
MORNING.

LAT...LON 4131 9333 4131 9301 4151 9288 4151 9328

$$

SMALL

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 7:17 PM CDTSevere Thunderstorm WarningDMXDecatur28 min
Jun 4, 7:21 PM CDTSevere Thunderstorm WarningDMXMarion54 min
Jun 4, 7:21 PM CDTTornado WarningDMXDecatur, Ringgold39 min
Jun 4, 7:43 PM CDTSevere Thunderstorm WarningDMXJasper65 min
Jun 4, 7:44 PM CDTSevere Thunderstorm WarningDMXDecatur48 min
Jun 4, 7:54 PM CDTSevere Thunderstorm WarningDMXClarke66 min
Jun 4, 7:57 PM CDTSevere Thunderstorm WarningDMXDecatur54 min
Jun 4, 8:23 PM CDTSevere Thunderstorm WarningDMXWayne52 min
Jun 4, 8:30 PM CDTSevere Thunderstorm WarningDMXPoweshiek48 min
Jun 4, 8:38 PM CDTSevere Thunderstorm WarningDMXDallas, Madison, Polk, Warren55 min
Jun 4, 8:45 PM CDTSevere Thunderstorm WarningDMXWarren45 min
Jun 4, 8:48 PM CDTSevere Thunderstorm WarningDMXLucas47 min
Jun 4, 8:54 PM CDTSevere Thunderstorm WarningDMXMarion, Monroe60 min
Jun 4, 9:05 PM CDTSevere Thunderstorm WarningDMXJasper55 min
Jun 4, 9:12 PM CDTSevere Thunderstorm WarningDMXTama48 min
Jun 4, 9:18 PM CDTSevere Thunderstorm WarningDMXWayne43 min
Jun 4, 9:21 PM CDTSevere Thunderstorm WarningDMXMahaska39 min
Jun 4, 9:31 PM CDTSevere Thunderstorm WarningDMXAppanoose44 min
Jun 4, 9:38 PM CDTSevere Thunderstorm WarningDMXPoweshiek57 min
Jun 4, 9:45 PM CDTSevere Thunderstorm WarningDMXMarshall40 min
Jun 4, 9:58 PM CDTSevere Thunderstorm WarningDMXTama50 min
Jun 4, 10:02 PM CDTSevere Thunderstorm WarningDMXMahaska22 min
Jun 4, 11:27 PM CDTSevere Thunderstorm WarningDMXBremer18 min

Nearby

Tornado Warnings in Iowa, 2005Every tornado warning in 2005Tornadoes in 2005

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.