Alert archive / Iowa / Tornado Warnings in 2008

Tornado Warning 63, NWS Des Moines, IA

June 7, 2008Winnebago County, Worth County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 7, 2008, 3:58 PM CDT for Winnebago County, Worth County, Iowa. It was in force for 32 min. 6 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
Jun 7, 2008, 3:58 PM CDT (20:58 UTC)
Expired
Jun 7, 2008, 4:30 PM CDT
In force
32 min
Issued by
NWS Des Moines, IA
Area
Storm-based polygon

Counties Winnebago County, IA, Worth County, IA

The radar

The Minneapolis radar (KMPX), 157 km from the middle of the area, began a volume at 20:58 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, 4:00 PM CDTHAIL 0.882 Sw Scarville, IA
Jun 7, 4:00 PM CDTHAIL 37 Wnw Lake Mills, IA
Jun 7, 4:15 PM CDTTORNADO2 Sw Northwood, IADEBRIS CIRCULATION AT THE GROUND.
Jun 7, 4:15 PM CDTTORNADO5 W Northwood, IATORNADO SPOTTED NEAR MM214.
Jun 7, 4:16 PM CDTTORNADO2 Sw Lake Mills, IAHOUSE DAMAGE AND ALONG R74 ROOF BLOWN OFF SHED.
Jun 7, 4:35 PM CDTTORNADO3 Ese Northwood, IASMALL DEBRIS CLOUD

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, 12:17 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 158 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, Minneapolis, MN at 12:00Z on 2008-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2008-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.1939587897117Sfc1 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
131 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
1341 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDMX 072058
TORDMX
IAC189-195-072130-
/O.NEW.KDMX.TO.W.0063.080607T2058Z-080607T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
358 PM CDT SAT JUN 7 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN WINNEBAGO COUNTY IN NORTH CENTRAL IOWA...
  NORTHERN WORTH COUNTY IN NORTH CENTRAL IOWA...

* UNTIL 430 PM CDT.

* AT 355 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAKE
  MILLS...OR 27 MILES NORTHWEST OF MASON CITY...MOVING EAST AT 44
  MPH.

* THE TORNADO WILL BE NEAR...
  LAKE MILLS AND JOICE BY 400 PM CDT...
  NORTHWOOD BY 420 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 4341 9303 4334 9363 4348 9371 4351 9359
      4351 9303
TIME...MOT...LOC 2058Z 248DEG 38KT 4342 9355

$$

COGIL
4 follow-up statements
000 
WWUS53 KDMX 072107
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
407 PM CDT SAT JUN 7 2008

IAC189-195-072130-
/O.CON.KDMX.TO.W.0063.000000T0000Z-080607T2130Z/
WORTH IA-WINNEBAGO IA-
407 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHEASTERN WINNEBAGO AND NORTHERN WORTH COUNTIES...

AT 404 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR JOICE...OR 21
MILES NORTHWEST OF MASON CITY...MOVING EAST AT 47 MPH.

THE TORNADO WILL BE NEAR...
  NORTHWOOD BY 415 PM CDT...

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. 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.

LAT...LON 4341 9303 4334 9363 4348 9371 4351 9359
      4351 9303
TIME...MOT...LOC 2107Z 262DEG 41KT 4342 9337

$$

COGIL
000 
WWUS53 KDMX 072114
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
413 PM CDT SAT JUN 7 2008

IAC189-072123-
/O.CAN.KDMX.TO.W.0063.000000T0000Z-080607T2130Z/
WINNEBAGO IA-
413 PM CDT SAT JUN 7 2008

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

AT 409 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.

HOWEVER...ANOTHER TORNADO WARNING REMAINS IN EFFECT FOR WESTERN 
WINNEBAGO COUNTY UNTIL 430 PM CDT. 

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 800 PM CDT SATURDAY EVENING
FOR NORTHERN IOWA.

LAT...LON 4351 9303 4342 9303 4341 9304 4337 9339
      4336 9342 4344 9345 4351 9342 4350 9319
      4351 9318
TIME...MOT...LOC 2113Z 261DEG 39KT 4343 9330

$$

IAC195-072130-
/O.CON.KDMX.TO.W.0063.000000T0000Z-080607T2130Z/
WORTH IA-
413 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR NORTHERN
WORTH COUNTY...

AT 409 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 8 MILES WEST OF
NORTHWOOD...OR 20 MILES NORTHWEST OF MASON CITY...MOVING EAST AT 44
MPH.

THE TORNADO WILL BE NEAR...
  NORTHWOOD BY 420 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.

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.

LAT...LON 4351 9303 4342 9303 4341 9304 4337 9339
      4336 9342 4344 9345 4351 9342 4350 9319
      4351 9318
TIME...MOT...LOC 2113Z 261DEG 39KT 4343 9330

$$

COGIL
000 
WWUS53 KDMX 072118
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
418 PM CDT SAT JUN 7 2008

IAC195-072130-
/O.CON.KDMX.TO.W.0063.000000T0000Z-080607T2130Z/
WORTH IA-
418 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR NORTHERN
WORTH COUNTY...

AT 413 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED NEAR NORTHWOOD...OR 20 MILES NORTH OF MASON
CITY...MOVING EAST AT 44 MPH.

THE TORNADO WILL BE NEAR...
  NORTHWOOD NOW.

PEOPLE IN NORTHWOOD NEED TO TAKE SHELTER NOW. 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.

LAT...LON 4351 9303 4342 9303 4341 9304 4337 9339
      4336 9342 4344 9345 4351 9342 4350 9319
      4351 9318
TIME...MOT...LOC 2118Z 259DEG 38KT 4344 9322

$$

COGIL
000 
WWUS53 KDMX 072124
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
424 PM CDT SAT JUN 7 2008

IAC195-072130-
/O.CON.KDMX.TO.W.0063.000000T0000Z-080607T2130Z/
WORTH IA-
424 PM CDT SAT JUN 7 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHEASTERN WORTH COUNTY...

AT 423 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR NORTHWOOD...OR 20
MILES NORTH OF MASON CITY...MOVING EAST AT 40 MPH.

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.

LAT...LON 4351 9303 4343 9303 4341 9304 4339 9323
      4344 9328 4351 9327 4350 9319 4351 9318
TIME...MOT...LOC 2124Z 258DEG 35KT 4345 9315

$$

COGIL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 10:31 PM CDTRiver Flood WarningDMXBlack Hawk, Bremer, Butler12 days
Jun 7, 4:32 AM CDTFlash Flood WatchDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more46 hr
Jun 7, 9:44 AM CDTRiver Flood WarningDMXHumboldt13 days
Jun 7, 9:44 AM CDTRiver Flood WarningDMXWebster10 days
Jun 7, 9:44 AM CDTRiver Flood WarningDMXDallas, Polk9 days
Jun 7, 9:44 AM CDTRiver Flood WarningDMXPolk, Story7 days
Jun 7, 9:44 AM CDTRiver Flood WarningDMXCerro Gordo, Floyd, Worth11 days
Jun 7, 3:26 PM CDTSevere Thunderstorm WarningDMXKossuth, Winnebago49 min
Jun 7, 3:34 PM CDTTornado WarningDMXWinnebago, Worth26 min
Jun 7, 3:59 PM CDTSevere Thunderstorm WarningDMXHancock, Kossuth, Winnebago30 min
Jun 7, 4:03 PM CDTTornado WarningDMXHancock, Kossuth, Winnebago27 min
Jun 7, 4:25 PM CDTTornado WarningDMXHancock, Winnebago, Worth50 min
Jun 7, 4:29 PM CDTTornado WarningDMXWorth19 min
Jun 7, 4:32 PM CDTFlash Flood WarningDMXWinnebago, Worth6 hr
Jun 7, 4:33 PM CDTTornado WarningDMXKossuth28 min
Jun 7, 4:52 PM CDTTornado WarningDMXHancock23 min
Jun 7, 5:02 PM CDTTornado WarningDMXWorth28 min
Jun 7, 5:16 PM CDTTornado WarningDMXCerro Gordo, Hancock, Winnebago, Worth44 min
Jun 7, 5:50 PM CDTTornado WarningDMXCerro Gordo, Worth25 min
Jun 7, 5:52 PM CDTSevere Thunderstorm WarningDMXCalhoun, Pocahontas, Sac38 min
Jun 7, 6:00 PM CDTTornado WarningDMXCalhoun, Pocahontas30 min
Jun 7, 6:11 PM CDTFlash Flood WarningDMXCerro Gordo, Hancock12 hr
Jun 7, 6:17 PM CDTTornado WarningDMXCerro Gordo43 min
Jun 7, 6:32 PM CDTSevere Thunderstorm WarningDMXCalhoun, Pocahontas, Webster43 min
Jun 7, 6:42 PM CDTSevere Thunderstorm WarningDMXHancock, Humboldt, Wright48 min
Jun 7, 6:46 PM CDTFlash Flood WarningDMXCalhoun, Pocahontas, Sac6 hr
Jun 7, 6:48 PM CDTTornado WarningDMXCalhoun, Pocahontas, Webster27 min

Nearby

Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes 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.