Alert archive / Iowa / Tornado Warnings in 2007

Tornado Warning 16, NWS Des Moines, IA

June 7, 2007Appanoose County, Monroe County, Wayne County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 7, 2007, 2:20 PM CDT for Appanoose County, Monroe County, Wayne County, Iowa. It was in force for 25 min. 1 report 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 7, 2007, 2:20 PM CDT (19:20 UTC)
Expired
Jun 7, 2007, 2:45 PM CDT
In force
25 min
Issued by
NWS Des Moines, IA
Area
Counties, with a storm outline in the text

Counties Appanoose County, IA, Monroe County, IA, Wayne County, IA

The radar

The Des Moines radar (KDMX), 116 km from the middle of the area, began a volume at 19:22 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

TimeReportWhereRemark
Jun 7, 2:35 PM CDTTORNADO2 N Plano, IAPUBLIC REPORTED BRIEF TOUCHDOWN OF TORNADO. NO DAMAGE REPORTED.

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.

IssuedProductOfficeLasted
Jun 7, 11:34 AM CDTTornado Watch PDSSPC10 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.3 hours before the alert went out and 228 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 12:00Z on 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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, Davenport, at 12:00Z on 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 372 square meters per square second.19395878Sfc1 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
44 J/kg
Mixed-layer CIN
-791 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
372 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDMX 071920
TORDMX
IAC007-135-185-071945-
/O.NEW.KDMX.TO.W.0016.070607T1920Z-070607T1945Z/

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

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN APPANOOSE COUNTY IN SOUTH CENTRAL IOWA...
  SOUTHERN MONROE COUNTY IN SOUTH CENTRAL IOWA...
  NORTHEASTERN WAYNE COUNTY IN SOUTH CENTRAL IOWA...

* UNTIL 245 PM CDT

* AT 217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PROMISE
  CITY...OR ABOUT 22 MILES NORTH OF UNIONVILLE...MOVING NORTHEAST AT
  60 MPH.

* THE TORNADO WILL BE NEAR...
  7 MILES NORTHWEST OF MYSTIC BY 225 PM CDT...
  8 MILES NORTHWEST OF RATHBUN BY 230 PM CDT...
  MORAVIA BY 235 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.

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

LAT...LON 4069 9321 4082 9329 4101 9288 4096 9269
      4081 9281

$$

DONAVON
2 follow-up statements
000 
WWUS53 KDMX 071936
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
235 PM CDT THU JUN 7 2007

IAC185-071945-
/O.CAN.KDMX.TO.W.0016.000000T0000Z-070607T1945Z/
WAYNE IA-
235 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR NORTHEASTERN WAYNE COUNTY IS CANCELLED...

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

LAT...LON 4090 9310 4101 9288 4097 9273 4097 9269
      4095 9269 4092 9273 4091 9273 4081 9281
      4072 9310

$$

IAC007-135-071945-
/O.CON.KDMX.TO.W.0016.000000T0000Z-070607T1945Z/
APPANOOSE IA-MONROE IA-
235 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTHERN
MONROE AND NORTHWESTERN APPANOOSE COUNTIES...

AT 234 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED NEAR RATHBUN...OR ABOUT 28 MILES NORTH OF
UNIONVILLE...MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  MORAVIA BY 240 PM CDT...

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

LAT...LON 4090 9310 4101 9288 4097 9273 4097 9269
      4095 9269 4092 9273 4091 9273 4081 9281
      4072 9310

$$

DONAVON
000 
WWUS53 KDMX 071945
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
246 PM CDT THU JUN 7 2007

IAC007-135-071956-
/O.EXP.KDMX.TO.W.0016.000000T0000Z-070607T1945Z/
APPANOOSE IA-MONROE IA-
246 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR SOUTHERN MONROE AND NORTHWESTERN APPANOOSE
COUNTIES EXPIRES AT 245 PM CDT...

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

LAT...LON 4090 9310 4101 9288 4097 9273 4097 9269
      4095 9269 4092 9273 4091 9273 4081 9281
      4072 9310

$$

DONAVON

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, 11:27 AM CDTTornado WarningDMXRinggold22 min
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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.