Alert archive / Iowa / Tornado Warnings in 2005

Tornado Warning 7, NWS Des Moines, IA

May 10, 2005Audubon County, Iowa

NWS Des Moines, IA issued this tornado warning at May 10, 2005, 7:59 PM CDT for Audubon County, Iowa. It was in force for 66 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: May 10, 2005, 7:59 PM CDT (00:59 UTC)
Expired: May 10, 2005, 9:05 PM CDT
In force: 66 min
Issued by: NWS Des Moines, IA
Area: Counties, with a storm outline in the text

County Audubon County, IA

The radar

The Des Moines radar (KDMX), 102 km from the middle of the area, began a volume at 01:01 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
May 10, 6:00 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.0 hours before the alert went out and 126 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2604 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1952 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDMX 110059
TORDMX
IAC009-110200-
/O.NEW.KDMX.TO.W.0007.050511T0059Z-050511T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
759 PM CDT TUE MAY 10 2005

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  AUDUBON COUNTY IN WEST CENTRAL IOWA.

* UNTIL 900 PM CDT.

* AT 756 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 9 MILES WEST OF AUDUBON...OR 73 MILES SOUTHWEST
  OF FORT DODGE...AND MOVING EAST AT 10 MPH.

* THIS STORM WILL BE...
  NEAR AUDUBON BY 835 PM CDT.
  NEAR AUDUBON COUNTY AIRPORT BY 840 PM CDT.

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

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 4183 9510 4152 9507 4153 9472 4183 9475

$$

JAW

7 follow-up statements

000 
WWUS53 KDMX 110109
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
807 PM CDT TUE MAY 10 2005

IAC009-110200-
/O.CON.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
807 PM CDT TUE MAY 10 2005

...A TORNADO WARNING CONTINUES FOR AUDUBON COUNTY UNTIL 900 PM CDT...

AT 805 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
SEVERE THUNDERSTORM PRODUCING A TORNADO.  THIS DANGEROUS STORM WAS 
LOCATED 7 MILES SOUTHWEST OF AUDUBON...OR 73 MILES WEST OF DES 
MOINES...AND MOVING EAST NORTHEAST AT 15 MPH.

THIS TORNADIC STORM WILL BE...
  NEAR AUDUBON COUNTY AIRPORT BY 820 PM CDT.
  5 MILES NORTH OF EXIRA BY 825 PM CDT.

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.

LAT...LON 4183 9510 4152 9507 4153 9472 4183 9475

$$

JAW

000 
WWUS53 KDMX 110112
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
812 PM CDT TUE MAY 10 2005

IAC009-110200-
/O.CON.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
812 PM CDT TUE MAY 10 2005

...A TORNADO WARNING CONTINUES FOR AUDUBON COUNTY UNTIL 900 PM CDT...

AT 809 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR AUDUBON...OR 70 MILES WEST OF DES MOINES...AND
MOVING EAST AT 20 MPH.

THIS TORNADIC STORM WILL BE...
  NEAR AUDUBON COUNTY AIRPORT BY 815 PM CDT.

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.

LAT...LON 4185 9510 4185 9476 4182 9477 4160 9476
      4159 9472 4151 9472 4151 9505 4160 9505
      4161 9510

$$

JAW

000 
WWUS53 KDMX 110120
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
819 PM CDT TUE MAY 10 2005

IAC009-110200-
/O.CON.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
819 PM CDT TUE MAY 10 2005

...A TORNADO WARNING CONTINUES FOR AUDUBON COUNTY UNTIL 900 PM CDT...

AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO.  THIS DANGEROUS STORM
WAS LOCATED NEAR AUDUBON...OR 68 MILES WEST OF DES MOINES...AND
MOVING EAST AT 15 MPH.

THIS TORNADIC STORM WILL BE...
  6 MILES NORTH OF EXIRA BY 820 PM CDT.

THE LOCATION OF AUDUBON IS ALSO IN THE PATH OF THIS TORNADO. A 
FUNNEL CLOUD WAS REPORTED NEAR AUDUBON.

GOLFBALL SIZE HAIL WILL ALSO OCCUR WITH THIS STORM...ESPECIALLY JUST 
NORTH OF AUDUBON.

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.


LAT...LON 4185 9510 4185 9476 4182 9477 4160 9476
      4159 9472 4151 9472 4151 9505 4160 9505
      4161 9510

$$

JAW

000 
WWUS53 KDMX 110128
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
826 PM CDT TUE MAY 10 2005

IAC009-110200-
/O.CON.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
826 PM CDT TUE MAY 10 2005

...A TORNADO WARNING CONTINUES FOR AUDUBON COUNTY UNTIL 900 PM CDT...

AT 822 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
SEVERE THUNDERSTORM PRODUCING A TORNADO.  THIS TORNADO WAS LOCATED 
ABOUT 2 MILES SOUTH OF AUDUBON...OR 66 MILES WEST OF DES 
MOINES...AND MOVING EAST AT 15 MPH.

THIS TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF AUDUBON COUNTY...
INCLUDING THE LOCATIONS NEAR AUDUBON COUNTY AIRPORT AND AUDUBON.

THIS STORM WILL ALSO PRODUCE QUARTER TO GOLFBALL SIZE HAIL.

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.

LAT...LON 4185 9510 4185 9476 4182 9477 4160 9476
      4159 9472 4151 9472 4151 9505 4160 9505
      4161 9510

$$

JAW

000 
WWUS53 KDMX 110137
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
837 PM CDT TUE MAY 10 2005

IAC009-110200-
/O.CON.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
837 PM CDT TUE MAY 10 2005

...A TORNADO WARNING CONTINUES FOR AUDUBON COUNTY UNTIL 900 PM CDT...

AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO.  THIS DANGEROUS STORM
WAS LOCATED 8 MILES SOUTHEAST OF AUDUBON...OR 61 MILES WEST OF DES
MOINES...AND MOVING SOUTHEAST AT 25 MPH.

THIS TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL 
AUDUBON COUNTY.

THIS STORM HAS A HISTORY OF PRODUCING GOLFBALL SIZED HAIL. 

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.

LAT...LON 4185 9510 4185 9476 4182 9477 4160 9476
      4159 9472 4151 9472 4151 9505 4160 9505
      4161 9510

$$

JAW

000 
WWUS53 KDMX 110153
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
851 PM CDT TUE MAY 10 2005

IAC009-110200-
/O.CON.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
851 PM CDT TUE MAY 10 2005

...A TORNADO WARNING CONTINUES FOR AUDUBON COUNTY UNTIL 900 PM CDT...

AT 848 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 10 MILES SOUTHEAST OF AUDUBON...OR 60 MILES WEST OF
DES MOINES...AND MOVING SOUTHEAST AT 25 MPH.

THIS TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL AND 
SOUTHEAST AUDUBON 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 GOLF 
BALL SIZED HAIL OVER EAST CENTRAL AND SOUTHEAST AUDUBON COUNTY AND 
DAMAGING STRAIGHT LINE WINDS.

LAT...LON 4185 9510 4185 9476 4182 9477 4160 9476
      4159 9472 4151 9472 4151 9505 4160 9505
      4161 9510

$$

JAW

000 
WWUS53 KDMX 110205
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
905 PM CDT TUE MAY 10 2005

IAC009-110215-
/O.EXP.KDMX.TO.W.0007.000000T0000Z-050511T0200Z/
AUDUBON IA-
905 PM CDT TUE MAY 10 2005

...THE TORNADO WARNING FOR AUDUBON COUNTY HAS BEEN ALLOWED TO
EXPIRE...

AT 903 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4185 9510 4185 9476 4182 9477 4160 9476
      4159 9472 4151 9472 4151 9505 4160 9505
      4161 9510

$$

JAW

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 7:16 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	59 min
May 10, 7:43 PM CDT	Severe Thunderstorm Warning	DMX	Carroll	47 min
May 10, 8:35 PM CDT	Tornado Warning	DMX	Guthrie	55 min
May 10, 9:00 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	45 min
May 10, 9:27 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	48 min
May 10, 9:30 PM CDT	Severe Thunderstorm Warning	DMX	Guthrie	60 min
May 10, 9:37 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	53 min
May 10, 10:00 PM CDT	Severe Thunderstorm Warning	DMX	Cass	46 min
May 10, 10:10 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	65 min
May 10, 10:16 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	44 min
May 10, 10:26 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	35 min
May 10, 10:31 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Guthrie	64 min
May 10, 10:39 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Worth	53 min
May 10, 11:02 PM CDT	Severe Thunderstorm Warning	DMX	Audubon	58 min
May 10, 11:16 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Madison	57 min
May 10, 11:22 PM CDT	Severe Thunderstorm Warning	DMX	Winnebago	56 min
May 10, 11:28 PM CDT	Severe Thunderstorm Warning	DMX	Dallas	46 min
May 10, 11:37 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	38 min
May 10, 11:58 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Cass	52 min
May 11, 12:08 AM CDT	Severe Thunderstorm Warning	DMX	Madison	69 min
May 11, 12:16 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk, Warren	44 min
May 11, 12:47 AM CDT	Severe Thunderstorm Warning	DMX	Marion	43 min
May 11, 1:00 AM CDT	Severe Thunderstorm Warning	DMX	Jasper	30 min
May 11, 1:09 AM CDT	Severe Thunderstorm Warning	DMX	Poweshiek	51 min

Nearby

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