Alert archive / Iowa / Wind Advisories in 2005

Wind Advisory 9, NWS Des Moines, IA

September 10, 200510 counties in Iowa

NWS Des Moines, IA issued this wind advisory at Sep 10, 2005, 3:44 AM CDT for 10 counties in Iowa. It took effect at Sep 10, 2005, 12:00 PM CDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 10, 2005, 3:44 AM CDT (08:44 UTC)
In effect from
Sep 10, 2005, 12:00 PM CDT
Expired
Sep 10, 2005, 3:04 PM CDT
In force
3 hr
Issued by
NWS Des Moines, IA

Counties Audubon County, IA, Calhoun County, IA, Carroll County, IA, Crawford County, IA, Emmet County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA

The radar

The Des Moines radar (KDMX), 125 km from the middle of the area, began a volume at 08:44 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

Omaha, NE (KOAX), launched 00:00Z, 8.7 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-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2005-09-10Temperature 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, Omaha, NE at 00:00Z on 2005-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 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
2404 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
39 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 
WWUS73 KDMX 100844
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
344 AM CDT SAT SEP 10 2005

.A TIGHTENING PRESSURE GRADIENT ALONG WITH STRONG HEATING WILL
PRODUCE MODERATELY STRONG WINDS THIS AFTERNOON.

IAZ004-005-015-023-024-033-034-044-045-057-101645-
/X.NEW.KDMX.WI.Y.0009.050910T1700Z-050911T0000Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-CRAWFORD-
CARROLL-AUDUBON-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...DENISON...
CARROLL...AUDUBON
344 AM CDT SAT SEP 10 2005

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. 

THE ADVISORY COVERS THAT PART OF IOWA WEST OF A LINE THROUGH ALGONA
TO ATLANTIC. SUSTAINED SOUTHERLY WINDS OVER 30 MPH ARE EXPECTED
WITH HIGHER GUSTS IN THE ADVISORY AREA. SOME DIFFICULTY MAYBE
EXPERIENCED BY HIGH PROFILE VEHICLES TRAVELING ON EAST WEST ROUTES
THIS AFTERNOON. ALSO OUTDOOR CONSTRUCTION WORKERS AND BOATERS
SHOULD BE PREPARED FOR WINDY CONDITIONS.

$$
MYERS
2 follow-up statements
000 
WWUS73 KDMX 101537
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1037 AM CDT SAT SEP 10 2005

.A TIGHTENING PRESSURE GRADIENT ALONG WITH STRONG HEATING WILL
PRODUCE MODERATELY STRONG WINDS THIS AFTERNOON.

IAZ004-005-015-023-024-033-034-044-045-057-102345-
/X.CON.KDMX.WI.Y.0009.050910T1700Z-050911T0000Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-CRAWFORD-
CARROLL-AUDUBON-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...DENISON...
CARROLL...AUDUBON
1037 AM CDT SAT SEP 10 2005

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

THE ADVISORY COVERS THAT PART OF IOWA WEST OF A LINE THROUGH
ALGONA TO ATLANTIC. SUSTAINED SOUTHERLY WINDS OVER 30 MPH ARE
EXPECTED WITH HIGHER GUSTS IN THE ADVISORY AREA. SOME DIFFICULTY
MAYBE EXPERIENCED BY HIGH PROFILE VEHICLES TRAVELING ON EAST WEST
ROUTES THIS AFTERNOON. ALSO OUTDOOR CONSTRUCTION WORKERS AND
BOATERS SHOULD BE PREPARED FOR WINDY CONDITIONS.

$$
000 
WWUS73 KDMX 102004
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
304 PM CDT SAT SEP 10 2005

...WINDY CONDITIONS WILL END...

.GRADIENT WINDS DO NOT MEET ADVISORY CRITERIA.

IAZ004-005-015-023-024-033-034-044-045-057-102115-
/X.CAN.KDMX.WI.Y.0009.000000T0000Z-050911T0000Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-CRAWFORD-
CARROLL-AUDUBON-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...DENISON...
CARROLL...AUDUBON
304 PM CDT SAT SEP 10 2005

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND
ADVISORY. 

$$

Nearby

Wind Advisories in Iowa, 2005Every wind advisory 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.