Alert archive / Iowa / Tornado Warnings in 2005

Tornado Warning 34, NWS Des Moines, IA

November 12, 2005Franklin County, Hardin County, Iowa

NWS Des Moines, IA issued this tornado warning at Nov 12, 2005, 5:41 PM CST for Franklin County, Hardin County, Iowa. It was in force for 34 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
Nov 12, 2005, 5:41 PM CST (23:41 UTC)
Expired
Nov 12, 2005, 6:15 PM CST
In force
34 min
Issued by
NWS Des Moines, IA
Area
Counties, with a storm outline in the text

Counties Franklin County, IA, Hardin County, IA

The radar

The Des Moines radar (KDMX), 96 km from the middle of the area, began a volume at 23:40 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
Nov 12, 5:50 PM CSTTORNADO4 Nnw Steamboat Rock, IAREPORTED BY TRAINED SPOTTER.

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
Nov 12, 1:44 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.7 hours before the alert went out and 249 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 2005-11-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2005-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1322 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
182 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 122341
TORDMX
IAC069-083-130015-
/O.NEW.KDMX.TO.W.0034.051112T2341Z-051113T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
541 PM CST SAT NOV 12 2005

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HARDIN COUNTY IN CENTRAL IOWA.
  SOUTHEASTERN FRANKLIN COUNTY IN NORTH CENTRAL IOWA.

* UNTIL 615 PM CST.

* AT 536 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES SOUTH OF IOWA FALLS...OR 45 MILES EAST
  OF FORT DODGE...AND MOVING NORTHEAST AT 45 MPH.

* THIS STORM WILL BE...
  NEAR IOWA FALLS BY 550 PM CST.
  NEAR ACKLEY BY 555 PM CST.
  NEAR ACKLEY MUNICIPAL AIRPORT BY 600 PM CST.
  5 MILES SOUTHEAST OF GENEVA BY 605 PM CST.

THE LOCATIONS OF BUCKEYE...OWASA AND IOWA FALLS MUNICIPAL AIRPORT ARE
ALSO IN THE PATH.

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 4236 9345 4236 9302 4276 9303 4276 9333

$$

VACHALEK
2 follow-up statements
000 
WWUS53 KDMX 122354
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
554 PM CST SAT NOV 12 2005

IAC069-083-130015-
/O.CON.KDMX.TO.W.0034.000000T0000Z-051113T0015Z/
FRANKLIN IA-HARDIN IA-
554 PM CST SAT NOV 12 2005

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN HARDIN AND
SOUTHEASTERN FRANKLIN COUNTIES UNTIL 615 PM CST...

AT 549 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR IOWA FALLS...OR 43 MILES WEST OF WATERLOO...
AND MOVING NORTHEAST AT 45 MPH.

THIS TORNADIC STORM WILL BE...
  NEAR ACKLEY BY 600 PM CST.
  NEAR ACKLEY MUNICIPAL AIRPORT BY 605 PM CST.
  5 MILES SOUTHEAST OF GENEVA BY 610 PM CST.

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 900 PM CST SATURDAY EVENING
FOR IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CST
SATURDAY EVENING FOR NORTHEAST IOWA.

LAT...LON 4236 9345 4236 9302 4276 9303 4276 9333

$$

VACHALEK
000 
WWUS53 KDMX 130015
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
615 PM CST SAT NOV 12 2005

IAC069-083-130025-
/O.EXP.KDMX.TO.W.0034.000000T0000Z-051113T0015Z/
FRANKLIN IA-HARDIN IA-
615 PM CST SAT NOV 12 2005

...THE TORNADO WARNING FOR NORTHERN HARDIN AND SOUTHEASTERN FRANKLIN
COUNTIES HAS BEEN ALLOWED TO EXPIRE...

AT 612 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

IF SEVERE WEATHER WAS OBSERVED...CONTACT THE NATIONAL WEATHER SERVICE
OFFICE IN DES MOINES AT 1-800-759-9276.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING
FOR IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 PM CST
SATURDAY EVENING FOR NORTHEAST IOWA.

LAT...LON 4236 9345 4236 9302 4276 9303 4276 9333

$$

VACHALEK

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 4:32 AM CSTWind AdvisoryDMXAdair, Adams, Audubon, Black Hawk, Boone, Bremer and 35 more34 hr
Nov 12, 2:39 PM CSTSevere Thunderstorm WarningDMXCass21 min
Nov 12, 2:56 PM CSTSevere Thunderstorm WarningDMXCrawford34 min
Nov 12, 3:05 PM CSTSevere Thunderstorm WarningDMXAudubon, Guthrie25 min
Nov 12, 3:19 PM CSTTornado WarningDMXAudubon, Guthrie26 min
Nov 12, 3:22 PM CSTSevere Thunderstorm WarningDMXAdair38 min
Nov 12, 3:43 PM CSTTornado WarningDMXGreene47 min
Nov 12, 3:51 PM CSTSevere Thunderstorm WarningDMXDallas, Guthrie39 min
Nov 12, 3:58 PM CSTTornado WarningDMXDallas, Guthrie32 min
Nov 12, 4:24 PM CSTSevere Thunderstorm WarningDMXBoone, Hamilton, Webster51 min
Nov 12, 4:30 PM CSTTornado WarningDMXBoone, Hamilton, Webster30 min
Nov 12, 4:30 PM CSTTornado WarningDMXBoone, Dallas30 min
Nov 12, 4:56 PM CSTTornado WarningDMXStory34 min
Nov 12, 4:57 PM CSTTornado WarningDMXFranklin, Hamilton, Hardin, Wright48 min
Nov 12, 5:06 PM CSTTornado WarningDMXHamilton24 min
Nov 12, 5:18 PM CSTSevere Thunderstorm WarningDMXJasper, Polk27 min
Nov 12, 5:23 PM CSTTornado WarningDMXHardin22 min

Nearby

Tornado Warnings in Iowa, 2005Every tornado warning in 2005Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.