Alert archive / Iowa / Wind Advisories in 2012

Wind Advisory 6, NWS Des Moines, IA

March 3, 201211 counties in Iowa

NWS Des Moines, IA issued this wind advisory at Mar 3, 2012, 9:19 PM CST for 11 counties in Iowa. It took effect at Mar 4, 2012, 12:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Mar 3, 2012, 9:19 PM CST (03:19 UTC)
In effect from
Mar 4, 2012, 12:00 PM CST
Expired
Mar 4, 2012, 6:00 PM CST
In force
6 hr
Issued by
NWS Des Moines, IA

Counties Adair County, IA, Adams County, IA, Audubon County, IA, Carroll County, IA, Cass County, IA, Crawford County, IA, Decatur County, IA, Guthrie County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA

The radar

The Des Moines radar (KDMX), 88 km from the middle of the area, began a volume at 03:23 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, 3.3 hours before the alert went out and 147 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 2012-03-04Temperature 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 2012-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.19395878Sfc1 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
1570 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
160 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.

085 
WWUS73 KDMX 040319
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
919 PM CST SAT MAR 3 2012

...GUSTY WINDS EXPECTED OVER SOUTHWEST IOWA SUNDAY AFTERNOON...

.LOW PRESSURE ORGANIZING OVER THE NORTHERN ROCKIES TONIGHT WILL
QUICKLY DROP DOWN THE MISSOURI RIVER VALLEY SUNDAY. IMMEDIATELY
BEHIND THIS SYSTEM NORTHWEST WINDS WILL BECOME QUITE GUSTY DURING
THE AFTERNOON.

IAZ044-045-057-058-070-071-081-082-092>094-041100-
/O.NEW.KDMX.WI.Y.0006.120304T1800Z-120305T0000Z/
CRAWFORD-CARROLL-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION-TAYLOR-
RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...DENISON...CARROLL...AUDUBON...
GUTHRIE CENTER...ATLANTIC...GREENFIELD...CORNING...CRESTON...
BEDFORD...MOUNT AYR...LEON
919 PM CST SAT MAR 3 2012

...WIND ADVISORY IN EFFECT FROM NOON TO 6 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 6 PM CST SUNDAY. 

* TIMING...WIND GUSTS WILL SHARPLY INCREASE DURING THE AFTERNOON
  SUNDAY AND THEN DIMINSH JUST AS QUICKLY TOWARD SUNSET.

* WINDS...NORTHWEST WINDS ARE EXPECTED TO REACH SUSTAINED SPEEDS
  OF 30 MPH OR MORE...WITH GUSTS TO 40 OR 45 MPH.

* IMPACTS...WINDS OF THESE SPEEDS MAY BLOW AROUND LOOSE
  OBJECTS...DAMAGE SMALL TREE BRANCHES AND MAKE HIGH PROFILE
  VEHICLES DIFFICULT TO HANDLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

SMALL
4 follow-up statements
390 
WWUS73 KDMX 040946
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
346 AM CST SUN MAR 4 2012

...GUSTY WINDS EXPECTED OVER SOUTHWEST IOWA THIS AFTERNOON...

.LOW PRESSURE WILL QUICKLY DROP DOWN THE MISSOURI RIVER VALLEY
TODAY. IMMEDIATELY BEHIND THIS SYSTEM NORTHWEST WINDS WILL BECOME
QUITE GUSTY BY THIS AFTERNOON.

IAZ044-045-057-058-070-071-081-082-092>094-041800-
/O.CON.KDMX.WI.Y.0006.120304T1800Z-120305T0000Z/
CRAWFORD-CARROLL-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION-TAYLOR-
RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...DENISON...CARROLL...AUDUBON...
GUTHRIE CENTER...ATLANTIC...GREENFIELD...CORNING...CRESTON...
BEDFORD...MOUNT AYR...LEON
346 AM CST SUN MAR 4 2012

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST
THIS EVENING...

* TIMING...WIND GUSTS WILL SHARPLY INCREASE THIS AFTERNOON AND
  THEN DIMINISH JUST AS QUICKLY TOWARD SUNSET.

* WINDS...NORTHWEST WINDS ARE EXPECTED TO REACH SUSTAINED SPEEDS
  OF 30 MPH...WITH GUSTS OF 45 TO 50 MPH.

* IMPACTS...WINDS OF THESE SPEEDS MAY BLOW AROUND LOOSE 
  OBJECTS...DAMAGE SMALL TREE BRANCHES AND MAKE HIGH PROFILE 
  VEHICLES DIFFICULT TO HANDLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CC
661 
WWUS73 KDMX 041610
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1010 AM CST SUN MAR 4 2012

...GUSTY WINDS EXPECTED OVER SOUTHWEST IOWA THIS AFTERNOON...

.LOW PRESSURE OVER SOUTHEAST SOUTH DAKOTA WILL QUICKLY DROP DOWN
THE MISSOURI RIVER VALLEY TODAY. STRONG NORTHWEST WINDS WILL
DEVELOP THIS AFTERNOON IMMEDIATELY BEHIND THIS SYSTEM. THE WIND
WILL BE MUCH LIGHTER TO THE EAST OF THIS REGION.

IAZ044-045-057-058-070-071-081-082-092>094-050000-
/O.CON.KDMX.WI.Y.0006.120304T1800Z-120305T0000Z/
CRAWFORD-CARROLL-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION-TAYLOR-
RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...DENISON...CARROLL...AUDUBON...
GUTHRIE CENTER...ATLANTIC...GREENFIELD...CORNING...CRESTON...
BEDFORD...MOUNT AYR...LEON
1010 AM CST SUN MAR 4 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...WIND GUSTS WILL SHARPLY INCREASE THIS AFTERNOON AND 
  THEN DIMINISH JUST AS QUICKLY TOWARD SUNSET. 

* WINDS...NORTHWEST WINDS ARE EXPECTED TO REACH SUSTAINED SPEEDS 
  OF 30 MPH...WITH GUSTS OF 45 TO 50 MPH. 

* IMPACTS...THESE WINDS MAY BLOW AROUND LOOSE OBJECTS...DAMAGE
  SMALL TREE BRANCHES AND MAKE HIGH PROFILE VEHICLES DIFFICULT TO
  HANDLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
546 
WWUS73 KDMX 042122
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
322 PM CST SUN MAR 4 2012

...GUSTY WINDS EXPECTED OVER SOUTHWEST IOWA THE REMAINDER OF THIS AFTERNOON...

.LOW PRESSURE OVER NORTHERN MISSOURI WILL CONTINUE TO DROP SOUTHEAST. 
STRONG NORTHWEST WINDS CONTINUE THIS AFTERNOON BEFORE DIMINISHING. THE
WIND WILL REMAIN MUCH LIGHTER TO THE EAST OF THIS REGION.

IAZ045-058-042230-
/O.CAN.KDMX.WI.Y.0006.000000T0000Z-120305T0000Z/
CARROLL-GUTHRIE-
INCLUDING THE CITIES OF...CARROLL...GUTHRIE CENTER
322 PM CST SUN MAR 4 2012

...WIND ADVISORY IS CANCELLED...

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

THE WIND WILL REMAIN BELOW ADVISORY CRITERIA.

$$

IAZ044-057-070-071-081-082-092>094-050000-
/O.CON.KDMX.WI.Y.0006.000000T0000Z-120305T0000Z/
CRAWFORD-AUDUBON-CASS-ADAIR-ADAMS-UNION-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...DENISON...AUDUBON...ATLANTIC...
GREENFIELD...CORNING...CRESTON...BEDFORD...MOUNT AYR...LEON
322 PM CST SUN MAR 4 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* SHORT TERM TRENDS...NORTHWEST WINDS WILL PEAK OVER THE NEXT ONE
  TO TWO HOURS BEFORE DIMINISHING.

* WINDS...NORTHWEST WINDS ARE EXPECTED TO REACH SUSTAINED SPEEDS
  OF 30 MPH...WITH GUSTS IN EXCESS OF 45 MPH. 

* IMPACTS...THESE WINDS MAY BLOW AROUND LOOSE OBJECTS...DAMAGE 
  SMALL TREE BRANCHES AND MAKE HIGH PROFILE VEHICLES DIFFICULT 
  TO HANDLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
324 
WWUS73 KDMX 050013
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
613 PM CST SUN MAR 4 2012

IAZ044-057-070-071-081-082-092>094-050115-
/O.EXP.KDMX.WI.Y.0006.000000T0000Z-120305T0000Z/
CRAWFORD-AUDUBON-CASS-ADAIR-ADAMS-UNION-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...DENISON...AUDUBON...ATLANTIC...
GREENFIELD...CORNING...CRESTON...BEDFORD...MOUNT AYR...LEON
613 PM CST SUN MAR 4 2012

...WIND ADVISORY HAS EXPIRED...

ALTHOUGH BRISK NORTHWEST WINDS WILL CONTINUE OVER SOUTHWEST
IOWA THIS EVENING...SPEEDS ARE EXPECTED TO BE BELOW ADVISORY
CRITERIA. HOWEVER SUSTAINED SPEEDS MAY STILL REACH 20 TO 30 MPH
WITH GUSTS TO 30 TO 40 MPH THROUGH 800 PM.

$$

SMALL

Nearby

Wind Advisories in Iowa, 2012Every wind advisory in 2012

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.