Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 52, NWS Des Moines, IA

June 5, 2008Taylor County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 5, 2008, 8:27 PM CDT for Taylor County, Iowa. It was in force for 48 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 5, 2008, 8:27 PM CDT (01:27 UTC)
Expired: Jun 5, 2008, 9:15 PM CDT
In force: 48 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon

County Taylor County, IA

The radar

The Omaha radar (KOAX), 146 km from the middle of the area, began a volume at 01:27 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
Jun 5, 5:50 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 146 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 060127
TORDMX
IAC173-060215-
/O.NEW.KDMX.TO.W.0052.080606T0127Z-080606T0215Z/

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

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  TAYLOR COUNTY IN SOUTHWEST IOWA...

* UNTIL 915 PM CDT.

* AT 824 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 19 MILES SOUTHWEST OF NEW MARKET...OR 106 MILES SOUTHWEST
  OF DES MOINES...MOVING NORTHEAST AT 44 MPH.

* THE TORNADO WILL BE NEAR...
  NEW MARKET AND BEDFORD BY 850 PM CDT...
  BEDFORD BY 855 PM CDT...
  GRAVITY BY 900 PM CDT...
  SHARPSBURG AND CONWAY BY 905 PM CDT...
  LENOX BY 915 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 4057 9492 4058 9493 4072 9492 4073 9494
      4085 9495 4091 9491 4090 9448 4057 9448
TIME...MOT...LOC 0127Z 220DEG 38KT 4052 9503

$$

DONAVON

2 follow-up statements

000 
WWUS53 KDMX 060147
SVSDMX

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

IAC173-060215-
/O.CON.KDMX.TO.W.0052.000000T0000Z-080606T0215Z/
TAYLOR IA-
847 PM CDT THU JUN 5 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR TAYLOR
COUNTY...

AT 843 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR NEW MARKET...OR 88
MILES SOUTHWEST OF DES MOINES...MOVING NORTHEAST AT 51 MPH.

THE TORNADO WILL BE NEAR...
  SHARPSBURG AND 6 MILES NORTHWEST OF CONWAY BY 855 PM CDT...
  LENOX AND 9 MILES NORTHWEST OF CLEARFIELD BY 905 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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 4057 9492 4058 9493 4072 9492 4073 9494
      4085 9495 4091 9491 4090 9448 4057 9448
TIME...MOT...LOC 0147Z 221DEG 44KT 4073 9479

$$

DONAVON

000 
WWUS53 KDMX 060217
SVSDMX

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

IAC173-060227-
/O.EXP.KDMX.TO.W.0052.000000T0000Z-080606T0215Z/
TAYLOR IA-
917 PM CDT THU JUN 5 2008

...THE TORNADO WARNING FOR TAYLOR COUNTY HAS EXPIRED...

AT 916 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FRIDAY MORNING FOR
WESTERN IOWA.

LAT...LON 4057 9492 4058 9493 4072 9492 4073 9494
      4085 9495 4091 9491 4090 9448 4057 9448
TIME...MOT...LOC 0147Z 221DEG 44KT 4073 9479

$$

DONAVON

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, 8:00 PM CDT	Tornado Warning	DMX	Adair, Adams, Cass	34 min
Jun 5, 8:25 PM CDT	Tornado Warning	DMX	Adair, Audubon, Cass, Guthrie	36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.