Alert archive / Iowa / Tornado Warnings in 2005

Tornado Warning 21, NWS Des Moines, IA

June 25, 2005Hamilton County, Wright County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 25, 2005, 11:00 PM CDT for Hamilton County, Wright County, Iowa. It was in force for 45 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 25, 2005, 11:00 PM CDT (04:00 UTC)
Expired: Jun 25, 2005, 11:45 PM CDT
In force: 45 min
Issued by: NWS Des Moines, IA
Area: Counties, with a storm outline in the text

Counties Hamilton County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 99 km from the middle of the area, began a volume at 04:01 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

Minneapolis, MN (KMPX), launched 00:00Z, 4.0 hours before the alert went out and 248 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: 192 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1123 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 58 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 260400
TORDMX
IAC079-197-260445-
/O.NEW.KDMX.TO.W.0021.050626T0400Z-050626T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1100 PM CDT SAT JUN 25 2005

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HAMILTON COUNTY IN CENTRAL IOWA.
  SOUTHERN WRIGHT COUNTY IN NORTH CENTRAL IOWA.

* UNTIL 1145 PM CDT.

* AT 1057 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES NORTH OF WEBSTER CITY...OR 20 MILES EAST
  OF FORT DODGE...AND MOVING EAST AT 25 MPH.

* THE STORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTHERN HAMILTON
  AND SOUTHERN WRIGHT COUNTIES...INCLUDING THE LOCATION OF WOOLSTOCK.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT 
WAS IN EFFECT FOR WRIGHT COUNTY. GO TO A BASEMENT OR SMALL INTERIOR 
ROOM ON THE LOWEST FLOOR

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 4274 9393 4243 9389 4244 9351 4277 9351

$$

VACHALEK

2 follow-up statements

000 
WWUS53 KDMX 260426
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1126 PM CDT SAT JUN 25 2005

IAC079-197-260445-
/O.CON.KDMX.TO.W.0021.000000T0000Z-050626T0445Z/
WRIGHT IA-HAMILTON IA-
1126 PM CDT SAT JUN 25 2005

...A TORNADO WARNING CONTINUES FOR NORTHERN HAMILTON AND SOUTHERN
WRIGHT COUNTIES UNTIL 1145 PM CDT...

AT 1123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 9 MILES NORTHEAST OF WEBSTER CITY...OR 26 MILES
EAST OF FORT DODGE...AND MOVING EAST AT 10 MPH.

THIS TORNADIC STORM WILL BE...
  NEAR WILLIAMS BY 1145 PM CDT.

THE LOCATION OF BLAIRSBURG IS ALSO IN THE PATH OF THIS TORNADO.

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

LAT...LON 4274 9393 4243 9389 4244 9351 4277 9351

$$

VACHALEK

000 
WWUS53 KDMX 260441
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1141 PM CDT SAT JUN 25 2005

IAC079-197-260451-
/O.EXP.KDMX.TO.W.0021.000000T0000Z-050626T0445Z/
WRIGHT IA-HAMILTON IA-
1141 PM CDT SAT JUN 25 2005

...THE TORNADO WARNING FOR NORTHERN HAMILTON AND SOUTHERN WRIGHT
COUNTIES HAS BEEN ALLOWED TO EXPIRE...

AT 1140 PM CDT...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.

LAT...LON 4274 9393 4243 9389 4244 9351 4277 9351

$$

VACHALEK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 10:26 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Webster	49 min
Jun 25, 10:39 PM CDT	Severe Thunderstorm Warning	DMX	Wright	66 min
Jun 25, 11:29 PM CDT	Flash Flood Warning	DMX	Webster	6 hr
Jun 25, 11:43 PM CDT	Flash Flood Warning	DMX	Franklin, Wright	6 hr
Jun 25, 11:47 PM CDT	Flash Flood Warning	DMX	Calhoun	6 hr

Nearby

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