Alert archive / Iowa / High Wind Warnings in 2011

High Wind Warning 1, NWS Des Moines, IA

June 9, 2011Marshall County, Tama County, Iowa

NWS Des Moines, IA issued this high wind warning at Jun 9, 2011, 11:14 PM CDT for Marshall County, Tama County, Iowa. It was in force for 106 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 9, 2011, 11:14 PM CDT (04:14 UTC)
Expired: Jun 10, 2011, 1:00 AM CDT
In force: 106 min
Issued by: NWS Des Moines, IA

Counties Marshall County, IA, Tama County, IA

The radar

The Des Moines radar (KDMX), 87 km from the middle of the area, began a volume at 04:14 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.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 4.2 hours before the alert went out and 194 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: 696 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 147 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.

004 
WWUS73 KDMX 100414
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1114 PM CDT THU JUN 9 2011

...HIGH NON THUNDERSTORM WINDS ON BACKSIDE OF STORMS EXPECTED...


IAZ049-050-100600-
/O.NEW.KDMX.HW.W.0001.110610T0414Z-110610T0600Z/
MARSHALL-TAMA-
INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO
1114 PM CDT THU JUN 9 2011

...HIGH WIND WARNING IN EFFECT UNTIL 1 AM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 1 AM CDT FRIDAY. 

* TIMING...THROUGH 1 AM.

* WINDS...65 MPH NON THUNDERSTORM WINDS OUT OF THE EAST ARE
  POSSIBLE ON THE BACKSIDE OF THE THUNDERSTORM COMPLEX MOVING
  THROUGH MARSHALL AND TAMA COUNTIES.

* IMPACTS...TREE DAMAGE IS POSSIBLE WITH THESE WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

1 follow-up statement

341 
WWUS73 KDMX 100553
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1253 AM CDT FRI JUN 10 2011

...THE HIGH WIND WARNING HAS BEEN ALLOWED TO EXPIRE...

IAZ049-050-100700-
/O.EXP.KDMX.HW.W.0001.000000T0000Z-110610T0600Z/
MARSHALL-TAMA-
INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO
1253 AM CDT FRI JUN 10 2011

...HIGH WIND WARNING WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING...

GUSTY WINDS IN THE VICINITY OF THUNDERSTORMS REMAIN POSSIBLE OVER
THE NEXT SEVERAL HOURS.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 7:10 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Humboldt, Kossuth, Winnebago, Wright	50 min
Jun 9, 7:41 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock, Worth	37 min
Jun 9, 8:07 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Greene, Webster	41 min
Jun 9, 8:13 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Jasper, Polk, Story, Warren	47 min
Jun 9, 8:33 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Wright	26 min
Jun 9, 8:37 PM CDT	Flash Flood Warning	DMX	Dallas, Madison, Polk, Warren	6 hr
Jun 9, 8:37 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene, Webster	38 min
Jun 9, 8:39 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Greene	21 min
Jun 9, 8:47 PM CDT	Severe Thunderstorm Warning	DMX	Story	43 min
Jun 9, 8:55 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk	50 min
Jun 9, 8:58 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Story	47 min
Jun 9, 9:02 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Story	28 min
Jun 9, 9:11 PM CDT	Severe Thunderstorm Warning	DMX	Polk	34 min
Jun 9, 9:15 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin, Story	20 min
Jun 9, 9:26 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Polk, Story	22 min
Jun 9, 9:30 PM CDT	Flash Flood Warning	DMX	Boone, Polk, Story	4 hr
Jun 9, 10:04 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion, Polk, Warren	41 min
Jun 9, 10:29 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	31 min
Jun 9, 10:34 PM CDT	Severe Thunderstorm Warning	DMX	Polk, Warren	26 min
Jun 9, 10:45 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Polk	31 min
Jun 9, 10:49 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion	41 min
Jun 9, 10:56 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	34 min
Jun 9, 11:11 PM CDT	Flash Flood Warning	DMX	Jasper, Madison, Marion, Warren	6 hr
Jun 9, 11:14 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Audubon, Cass	46 min
Jun 9, 11:36 PM CDT	Flash Flood Warning	DMX	Adair, Audubon, Dallas, Guthrie, Madison	4 hr
Jun 10, 12:07 AM CDT	River Flood Warning	DMX	Polk	6 hr
Jun 10, 1:59 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Ringgold, Union	46 min
Jun 10, 2:21 AM CDT	Flash Flood Warning	DMX	Mahaska, Marion, Monroe	6 hr
Jun 10, 5:05 AM CDT	Areal Flood Warning	DMX	Marion, Warren	24 hr
Jun 10, 7:20 AM CDT	River Flood Warning	DMX	Polk	20 hr
Jun 10, 7:20 AM CDT	River Flood Warning	DMX	Polk	20 hr
Jun 10, 8:29 AM CDT	Areal Flood Warning	DMX	Mahaska, Marion	24 hr

Nearby

High Wind Warnings in Iowa, 2011 Every high wind warning in 2011

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.