Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 50, NWS Des Moines, IA

June 5, 2008Adair County, Adams County, Cass County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 5, 2008, 8:00 PM CDT for Adair County, Adams County, Cass County, Iowa. It was in force for 34 min. 2 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 5, 2008, 8:00 PM CDT (01:00 UTC)
Expired: Jun 5, 2008, 8:34 PM CDT
In force: 34 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon

Counties Adair County, IA, Adams County, IA, Cass County, IA

The radar

The Des Moines radar (KDMX), 116 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.

What was reported inside it

Time	Report	Where	Remark
Jun 5, 8:16 PM CDT	TORNADO	1 E Cumberland, IA	RELAYED PUBLIC REPORT.
Jun 5, 8:23 PM CDT	TSTM WND DMG	2 Wsw Anita, IA	8-9 INCH TREE DOWN.

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.

Issued	Product	Office	Lasted
Jun 5, 5:50 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.0 hours before the alert went out and 128 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: 2054 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 303 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 14.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDMX 060100
TORDMX
IAC001-003-029-060145-
/O.NEW.KDMX.TO.W.0050.080606T0100Z-080606T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
800 PM CDT THU JUN 5 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  ADAIR COUNTY IN SOUTHWEST IOWA...
  WESTERN ADAMS COUNTY IN SOUTHWEST IOWA...
  EASTERN CASS COUNTY IN SOUTHWEST IOWA...

* UNTIL 845 PM CDT.

* AT 756 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NODAWAY...
  OR 83 MILES SOUTHWEST OF DES MOINES...MOVING NORTHEAST AT 37 MPH.

* THE TORNADO WILL BE NEAR...
  CARBON BY 810 PM CDT...
  CUMBERLAND BY 830 PM CDT...
  MASSENA AND BRIDGEWATER BY 835 PM CDT...

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 4091 9494 4115 9494 4116 9505 4148 9493
      4137 9432 4091 9490
TIME...MOT...LOC 0100Z 208DEG 32KT 4099 9496

$$

DONAVON

3 follow-up statements

000 
WWUS53 KDMX 060115
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
816 PM CDT THU JUN 5 2008

IAC001-003-029-060145-
/O.CON.KDMX.TO.W.0050.000000T0000Z-080606T0145Z/
ADAMS IA-ADAIR IA-CASS IA-
816 PM CDT THU JUN 5 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR EASTERN
CASS...ADAIR AND NORTHWESTERN ADAMS COUNTIES...

AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CUMBERLAND...OR 68
MILES WEST OF DES MOINES...MOVING NORTHEAST AT 56 MPH.

THE TORNADO WILL BE NEAR...
  ANITA BY 825 PM CDT...

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

LAT...LON 4099 9492 4115 9494 4116 9505 4148 9493
      4137 9432 4101 9478
TIME...MOT...LOC 0116Z 213DEG 48KT 4135 9482

$$

DONAVON

000 
WWUS53 KDMX 060118
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
818 PM CDT THU JUN 5 2008

IAC001-003-029-060145-
/O.CON.KDMX.TO.W.0050.000000T0000Z-080606T0145Z/
ADAMS IA-ADAIR IA-CASS IA-
818 PM CDT THU JUN 5 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR EASTERN
CASS...ADAIR AND NORTHWESTERN ADAMS COUNTIES...

AT 815 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED NEAR CUMBERLAND...OR 66 MILES WEST OF DES
MOINES...MOVING NORTHEAST AT 53 MPH.

THE TORNADO WILL BE NEAR...
  ANITA BY 825 PM CDT...

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

LAT...LON 4099 9492 4115 9494 4116 9505 4148 9493
      4137 9432 4101 9478
TIME...MOT...LOC 0118Z 206DEG 46KT 4136 9483

$$

DONAVON

000 
WWUS53 KDMX 060134
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
834 PM CDT THU JUN 5 2008

IAC001-003-029-060144-
/O.CAN.KDMX.TO.W.0050.000000T0000Z-080606T0145Z/
ADAMS IA-ADAIR IA-CASS IA-
834 PM CDT THU JUN 5 2008

...THE TORNADO WARNING FOR EASTERN CASS...ADAIR AND NORTHWESTERN
ADAMS COUNTIES IS CANCELLED...

AT 829 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 UNTIL 100 AM CDT FRIDAY MORNING FOR
WESTERN IOWA.

LAT...LON 4099 9492 4115 9494 4116 9505 4148 9493
      4137 9432 4101 9478
TIME...MOT...LOC 0134Z 206DEG 46KT 4154 9471

$$

JOHNSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 7:40 PM CDT	Flash Flood Warning	DMX	Adams, Cass	6 hr
Jun 5, 8:25 PM CDT	Tornado Warning	DMX	Adair, Audubon, Cass, Guthrie	36 min
Jun 5, 8:27 PM CDT	Tornado Warning	DMX	Taylor	48 min
Jun 5, 8:30 PM CDT	Flash Flood Warning	DMX	Adair, Adams, Taylor	6 hr
Jun 5, 9:05 PM CDT	Tornado Warning	DMX	Adams, Ringgold, Union	40 min
Jun 5, 9:09 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Union	51 min
Jun 5, 9:15 PM CDT	Flash Flood Warning	DMX	Ringgold, Union	6 hr
Jun 5, 9:17 PM CDT	High Wind Warning	DMX	Calhoun, Emmet, Palo Alto, Pocahontas, Sac	4 hr
Jun 5, 9:37 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Clarke, Madison, Union	38 min
Jun 5, 10:01 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	44 min
Jun 5, 10:12 PM CDT	Tornado Warning	DMX	Dallas, Polk	21 min
Jun 5, 10:13 PM CDT	River Flood Warning	DMX	Appanoose, Wayne	19 hr
Jun 5, 11:00 PM CDT	Flash Flood Warning	DMX	Adair, Clarke, Madison, Warren	5 hr
Jun 5, 11:14 PM CDT	Flash Flood Warning	DMX	Boone, Dallas, Polk, Story	6 hr
Jun 5, 11:22 PM CDT	Tornado Warning	DMX	Decatur, Ringgold	23 min
Jun 5, 11:30 PM CDT	Flash Flood Warning	DMX	Decatur	4 hr
Jun 5, 11:42 PM CDT	Tornado Warning	DMX	Clarke	33 min
Jun 5, 11:44 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	31 min
Jun 5, 11:55 PM CDT	River Flood Warning	DMX	Polk	9 hr
Jun 5, 11:57 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Wayne	48 min
Jun 6, 12:02 AM CDT	Tornado Warning	DMX	Marion, Warren	43 min
Jun 6, 12:20 AM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	40 min
Jun 6, 12:32 AM CDT	Tornado Warning	DMX	Jasper	28 min
Jun 6, 12:46 AM CDT	River Flood Warning	DMX	Polk	28 hr
Jun 6, 12:47 AM CDT	Severe Thunderstorm Warning	DMX	Marshall	43 min
Jun 6, 12:50 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	40 min
Jun 6, 12:55 AM CDT	Flash Flood Warning	DMX	Warren	3 hr
Jun 6, 12:59 AM CDT	Tornado Warning	DMX	Jasper, Marshall, Poweshiek, Tama	46 min
Jun 6, 1:08 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy, Tama	52 min
Jun 6, 1:21 AM CDT	River Flood Warning	DMX	Taylor	5 hr
Jun 6, 1:21 AM CDT	Tornado Warning	DMX	Poweshiek, Tama	24 min
Jun 6, 1:26 AM CDT	Tornado Warning	DMX	Black Hawk, Tama	34 min
Jun 6, 1:36 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	39 min
Jun 6, 3:50 AM CDT	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	12 hr
Jun 6, 3:56 AM CDT	Areal Flood Warning	DMX	Madison	20 hr
Jun 6, 4:13 AM CDT	Areal Flood Warning	DMX	Warren	15 hr
Jun 6, 5:03 AM CDT	Areal Flood Warning	DMX	Polk	6 hr
Jun 6, 5:08 AM CDT	Areal Flood Warning	DMX	Story	6 hr
Jun 6, 11:08 AM CDT	Areal Flood Warning	DMX	Polk	6 hr
Jun 6, 11:13 AM CDT	Areal Flood Warning	DMX	Story	24 hr

Nearby

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