Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 5, NWS Des Moines, IA

April 10, 20085 counties in Iowa

NWS Des Moines, IA issued this tornado warning at Apr 10, 2008, 5:11 PM CDT for 5 counties in Iowa. It was in force for 34 min. 12 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: Apr 10, 2008, 5:11 PM CDT (22:11 UTC)
Expired: Apr 10, 2008, 5:45 PM CDT
In force: 34 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon

Counties Appanoose County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Wapello County, IA

The radar

The Des Moines radar (KDMX), 107 km from the middle of the area, began a volume at 22:14 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
Apr 10, 5:15 PM CDT	TSTM WND DMG	2 Wsw Moravia, IA	RELAYED REPORT FROM PUBLIC OF WIND DAMAGE TO RESIDENCES WEST AND SOUTH OF ICONIUM. NO INJURIES REPORTED.
Apr 10, 5:16 PM CDT	FUNNEL CLOUD	6 Sse Melrose, IA
Apr 10, 5:20 PM CDT	TORNADO	Moravia, IA	LAW ENFORCEMENT REPORTS TORNADO IN MORAVIA MOVING NORTHEASTWARD WITH DAMAGE TO A GARAGE AND A HOUSE.
Apr 10, 5:32 PM CDT	TORNADO	4 N Albia, IA	DAMAGE AT TWO FARMSTEADS WITH MACHINE SHEDS ON BOTH FARMS NEARLY DESTROYED. SEVERAL OTHER OUTBUILDINGS DAMAGES AND PERMANENT STRUCTURE GARAGES HAVE SHINGLES STIPPED OFF.
Apr 10, 5:34 PM CDT	TSTM WND DMG	4 N Albia, IA	OLD SCHOOLHOUSE DESTROYED.
Apr 10, 5:35 PM CDT	TSTM WND DMG	5 N Albia, IA	MORTON BUILDING SEVERELY DAMAGED. SOME SHINGLES OFF HOUSE. SMALL GRAIN BIN DESTROYED.
Apr 10, 5:38 PM CDT	FUNNEL CLOUD	3 Wsw Eddyville, IA	TRAINED SPOTTER REPORTED FUNNEL DOWN TO TREELINE ABOUT 3 MILES WSW OF EDDYVILLE MOVING QUICKLY NORTH NORTHEAST.
Apr 10, 5:44 PM CDT	TSTM WND DMG	5 Ssw Beacon, IA	EXTENSIVE ROOF DAMAGE TO NUMEROUS BUILDINGS. SMALL POWER POLES SNAPPED. SOME SHINGLES OFF HOMES. GRAIN BINS DAMAGED.
Apr 10, 5:44 PM CDT	TORNADO	5 Nw Eddyville, IA	SHINGLES REMOVED FROM ROOF OF HOUSE. OUTBUILDING ROOF DAMAGE...AND TOP OF GRAIN BIN CRUSHED.
Apr 10, 5:45 PM CDT	TSTM WND DMG	5 Ssw Beacon, IA	310TH STREET AND INDEPENDENCE STREET. MINOR DAMAGE TO FARM AND HOUSE. POSSIBLY TORNADO DAMAGE. DELAYED REPORT.
Apr 10, 5:55 PM CDT	TSTM WND DMG	5 Ssw Beacon, IA	310TH STREET AND INDEPENDENCE STREET. MINOR DAMAGE TO FARM AND HOUSE. POSSIBLY TORNADO DAMAGE. DELAYED REPORT.
Apr 10, 5:55 PM CDT	TSTM WND DMG	Oskaloosa, IA	SPOTTER RELAYED REPORT OF DAMAGE TO A FARM JUST SE OF OSKALOOSA...SHINGLES BLOWN OFF AND A CORN BIN COLLAPSED.

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
Apr 10, 2:28 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 10, 4:55 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.2 hours before the alert went out and 202 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 475 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 305 m²/s²
0-3 km storm-relative helicity: 419 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 102212
TORDMX
IAC007-123-125-135-179-102245-
/O.NEW.KDMX.TO.W.0005.080410T2211Z-080410T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
511 PM CDT THU APR 10 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN APPANOOSE COUNTY IN SOUTH CENTRAL IOWA...
  SOUTHERN MAHASKA COUNTY IN SOUTH CENTRAL IOWA...
  SOUTHEASTERN MARION COUNTY IN SOUTH CENTRAL IOWA...
  MONROE COUNTY IN SOUTH CENTRAL IOWA...
  NORTHWESTERN WAPELLO COUNTY IN SOUTHEAST IOWA...

* UNTIL 545 PM CDT.

* AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO 15 MILES SOUTHWEST OF ALBIA...OR 25 MILES NORTH OF
  UNIONVILLE...MOVING NORTHEAST AT 60 MPH.

* THE TORNADO WILL BE NEAR...
  NEAR MORAVIA BY 515 PM CDT...
  ALBIA BY 525 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.

THIS REPLACES THE TORNADO WARNING THAT WAS IN EFFECT FOR APPANOOSE 
AND WAYNE COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.

LAT...LON 4131 9288 4115 9239 4071 9283 4083 9305
TIME...MOT...LOC 2211Z 208DEG 57KT 4086 9291

$$

KINNEY

4 follow-up statements

000 
WWUS53 KDMX 102221
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
521 PM CDT THU APR 10 2008

IAC007-123-125-135-179-102245-
/O.CON.KDMX.TO.W.0005.000000T0000Z-080410T2245Z/
APPANOOSE IA-MONROE IA-WAPELLO IA-MAHASKA IA-MARION IA-
521 PM CDT THU APR 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHEASTERN MARION...SOUTHERN MAHASKA...NORTHWESTERN WAPELLO...
MONROE AND NORTHEASTERN APPANOOSE COUNTIES...

AT 518 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR MORAVIA...OR 25 MILES WEST OF 
OTTUMWA...MOVING NORTHEAST AT 55 MPH.  

THE TORNADO WILL BE NEAR...
  ALBIA AND 8 MILES SOUTHEAST OF LOVILIA BY 530 PM CDT...
  9 MILES SOUTHEAST OF HAMILTON BY 535 PM CDT...
  EDDYVILLE AND 9 MILES SOUTHEAST OF BUSSEY BY 540 PM CDT...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.

LAT...LON 4088 9302 4131 9288 4115 9239 4101 9253
      4100 9255 4097 9257 4096 9259 4095 9259
      4087 9267
TIME...MOT...LOC 2221Z 207DEG 47KT 4095 9286

$$

KINNEY

000 
WWUS53 KDMX 102227
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
527 PM CDT THU APR 10 2008

IAC007-123-125-135-179-102245-
/O.CON.KDMX.TO.W.0005.000000T0000Z-080410T2245Z/
APPANOOSE IA-MONROE IA-WAPELLO IA-MAHASKA IA-MARION IA-
527 PM CDT THU APR 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHEASTERN MARION...SOUTHERN MAHASKA...NORTHWESTERN WAPELLO...
MONROE AND NORTHEASTERN APPANOOSE COUNTIES...

AT 522 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR ALBIA...OR 23 MILES WEST OF OTTUMWA...MOVING
NORTHEAST AT 52 MPH.  

THE TORNADO WILL BE NEAR...
  8 MILES SOUTHEAST OF LOVILIA AND 9 MILES SOUTHEAST OF HAMILTON BY
  535 PM CDT...
  EDDYVILLE AND 9 MILES SOUTHEAST OF BUSSEY BY 540 PM CDT...

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.

HOUSE DAMAGE WAS REPORTED NEAR MORAVIA WITH 
THIS TORNADO.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.

LAT...LON 4088 9302 4131 9288 4115 9239 4101 9253
      4100 9255 4097 9257 4096 9259 4095 9259
      4087 9267
TIME...MOT...LOC 2227Z 206DEG 45KT 4102 9282

$$

KINNEY

000 
WWUS53 KDMX 102237
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
537 PM CDT THU APR 10 2008

IAC007-123-125-135-179-102245-
/O.CON.KDMX.TO.W.0005.000000T0000Z-080410T2245Z/
APPANOOSE IA-MONROE IA-WAPELLO IA-MAHASKA IA-MARION IA-
537 PM CDT THU APR 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHEASTERN MARION...SOUTHERN MAHASKA...NORTHWESTERN WAPELLO...
MONROE AND NORTHEASTERN APPANOOSE COUNTIES...

AT 535 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO.  THIS
TORNADO WAS LOCATED NEAR ALBIA...OR 19 MILES WEST OF OTTUMWA...MOVING
NORTHEAST AT 52 MPH.

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.

REPORT TORNADOES...WIND IN EXCESS OF 50 MPH...HAIL LARGER THAN ONE
HALF INCH...OR STORM DAMAGE BY CALLING LOCAL LAW ENFORCEMENT AND
ASKING THEM TO RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE.

THIS STORM WILL BE NEAR EDDYVILLE BY 545 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR SOUTHWESTERN IOWA.

LAT...LON 4088 9302 4131 9288 4115 9239 4101 9253
      4100 9255 4097 9257 4096 9259 4095 9259
      4087 9267
TIME...MOT...LOC 2237Z 206DEG 45KT 4111 9276

$$

KINNEY

000 
WWUS53 KDMX 102247
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
547 PM CDT THU APR 10 2008

IAC007-123-125-135-179-102257-
/O.EXP.KDMX.TO.W.0005.000000T0000Z-080410T2245Z/
APPANOOSE IA-MONROE IA-WAPELLO IA-MAHASKA IA-MARION IA-
547 PM CDT THU APR 10 2008

...THE TORNADO WARNING FOR SOUTHEASTERN MARION...SOUTHERN MAHASKA...
NORTHWESTERN WAPELLO...MONROE AND NORTHEASTERN APPANOOSE COUNTIES HAS
EXPIRED...

AT 544 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.  
HOWEVER...THE STORM REMAINS TO BE A DANGEROUS STORM AND HAS MOVED 
INTO THE AREA UNDER TORNADO WARNING TO THE NORTHEAST ACROSS MUCH OF 
MAHASKA COUNTY.

REPORT TORNADOES...WIND IN EXCESS OF 50 MPH...HAIL LARGER THAN ONE
HALF INCH...OR STORM DAMAGE BY CALLING LOCAL LAW ENFORCEMENT AND
ASKING THEM TO RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE.


A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.

LAT...LON 4088 9302 4131 9288 4115 9239 4101 9253
      4100 9255 4097 9257 4096 9259 4095 9259
      4087 9267
TIME...MOT...LOC 2237Z 206DEG 45KT 4111 9276

$$

KINNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 9:53 PM CDT	River Flood Warning	DMX	Lucas	60 hr
Apr 10, 4:17 AM CDT	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	17 hr
Apr 10, 4:24 PM CDT	Tornado Warning	DMX	Clarke, Decatur, Lucas, Wayne	51 min
Apr 10, 4:49 PM CDT	Tornado Warning	DMX	Clarke, Lucas, Warren	26 min
Apr 10, 4:52 PM CDT	Tornado Warning	DMX	Appanoose, Wayne	23 min
Apr 10, 5:25 PM CDT	Tornado Warning	DMX	Mahaska, Marion	20 min
Apr 10, 5:42 PM CDT	Tornado Warning	DMX	Mahaska, Poweshiek	48 min
Apr 10, 6:11 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe	35 min
Apr 10, 6:27 PM CDT	Tornado Warning	DMX	Poweshiek, Tama	48 min

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.