Alert archive / Iowa / Tornado Warnings in 2007

Tornado Warning 12, NWS Des Moines, IA

June 7, 2007Ringgold County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 7, 2007, 11:27 AM CDT for Ringgold County, Iowa. It was in force for 22 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 7, 2007, 11:27 AM CDT (16:27 UTC)
Expired
Jun 7, 2007, 11:49 AM CDT
In force
22 min
Issued by
NWS Des Moines, IA
Area
Counties, with a storm outline in the text

County Ringgold County, IA

The radar

The Des Moines radar (KDMX), 112 km from the middle of the area, began a volume at 16:28 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

Omaha, NE (KOAX), launched 12:00Z, 4.5 hours before the alert went out and 193 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, Omaha, NE at 12:00Z on 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 237 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, Omaha, NE at 12:00Z on 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939587897Sfc1 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
237 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDMX 071626
TORDMX
IAC159-071700-
/O.NEW.KDMX.TO.W.0012.070607T1627Z-070607T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1127 AM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  RINGGOLD COUNTY IN SOUTH CENTRAL IOWA...

* UNTIL NOON CDT

* AT 1124 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MOUNT
  AYR...OR ABOUT 32 MILES NORTH OF ALBANY...MOVING NORTHEAST AT 55
  MPH.

* THE TORNADO WILL BE NEAR...
  ELLSTON AND TINGLEY BY 1135 AM CDT...
  ELLSTON AND BEACONSFIELD BY 1140 AM 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 4076 9440 4090 9423 4090 9402 4080 9402
      4079 9401 4072 9402 4066 9432

$$

JUNGBLUTH
2 follow-up statements
000 
WWUS53 KDMX 071641
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1141 AM CDT THU JUN 7 2007

IAC159-071700-
/O.CON.KDMX.TO.W.0012.000000T0000Z-070607T1700Z/
RINGGOLD IA-
1141 AM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR NORTHERN
RINGGOLD COUNTY...

AT 1136 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ELLSTON...OR ABOUT
37 MILES NORTH OF BETHANY...MOVING NORTHEAST AT 60 MPH.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

AT 1136 AM...SPOTTERS REPORTED FUNNEL CLOUDS OVER SUN VALLEY LAKE IN 
NORTHEAST RINGGOLD COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR IOWA.

LAT...LON 4076 9440 4090 9423 4090 9402 4080 9402
      4079 9401 4072 9402 4066 9432

$$

JUNGBLUTH
000 
WWUS53 KDMX 071649
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1149 AM CDT THU JUN 7 2007

IAC159-071659-
/O.CAN.KDMX.TO.W.0012.000000T0000Z-070607T1700Z/
RINGGOLD IA-
1149 AM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR NORTHERN RINGGOLD COUNTY IS CANCELLED...

STORMS THAT PROMPTED THE TORNADO WARNING HAVE QUICKLY MOVED 
NORTHEAST INTO CLARKE AND RINGGOLD COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR IOWA.

LAT...LON 4076 9440 4090 9423 4090 9402 4080 9402
      4079 9401 4072 9402 4066 9432

$$

JUNGBLUTH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 3:47 AM CDTWind AdvisoryDMXAudubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 27 more16 hr
Jun 7, 11:44 AM CDTTornado WarningDMXClarke, Decatur31 min
Jun 7, 12:17 PM CDTTornado WarningDMXLucas28 min
Jun 7, 12:28 PM CDTTornado WarningDMXMarion, Warren47 min
Jun 7, 1:14 PM CDTSevere Thunderstorm WarningDMXLucas, Wayne35 min
Jun 7, 1:17 PM CDTSevere Thunderstorm WarningDMXMarion43 min
Jun 7, 2:14 PM CDTSevere Thunderstorm WarningDMXMahaska19 min
Jun 7, 2:20 PM CDTTornado WarningDMXAppanoose, Monroe, Wayne25 min
Jun 7, 3:02 PM CDTSevere Thunderstorm WarningDMXAppanoose, Monroe28 min
Jun 7, 3:18 PM CDTSevere Thunderstorm WarningDMXWapello26 min

Nearby

Tornado Warnings in Iowa, 2007Every tornado warning in 2007Tornadoes in 2007

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.