Alert archive / Iowa / Wind Chill Advisories in 2013

Wind Chill Advisory 2, NWS Des Moines, IA

January 21, 201313 counties in Iowa

NWS Des Moines, IA issued this wind chill advisory at Jan 21, 2013, 12:13 PM CST for 13 counties in Iowa. It took effect at Jan 21, 2013, 6:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2013, 12:13 PM CST (18:13 UTC)
In effect from
Jan 21, 2013, 6:00 PM CST
Expired
Jan 22, 2013, 7:17 AM CST
In force
13 hr
Issued by
NWS Des Moines, IA

Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hardin County, IA, Humboldt County, IA, Marshall County, IA, Pocahontas County, IA, Tama County, IA, Webster County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 94 km from the middle of the area, began a volume at 18:10 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 12:00Z, 6.2 hours before the alert went out and 251 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, Davenport, at 12:00Z on 2013-01-21Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2013-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939587897117136Sfc1 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
791 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
78 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.

617 
WWUS43 KDMX 211813
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1213 PM CST MON JAN 21 2013

...DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THIS MORNING...

.GUSTY NORTHWEST WINDS WILL DIMINISH SOME THIS AFTERNOON AND EVEN
MORE TONIGHT BUT FRIGID TEMPERATURES WILL REMAIN ACROSS CENTRAL 
IOWA.

IAZ004>007-015>017-220215-
/O.EXP.KDMX.WC.W.0001.000000T0000Z-130121T1800Z/
/O.EXB.KDMX.WC.Y.0001.130121T1813Z-130122T1600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY
1213 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM CST TUESDAY...
...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST TUESDAY. 

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 15 TO 25
  MPH WILL GRADUALLY DIMINISH THROUGH THE AFTERNOON BUT WITH
  TEMPERATURES ONLY EXPECTED TO CLIMB TO ZERO OR A COUPLE DEGREES
  ABOVE AND LOWS TONIGHT AROUND 10 BELOW...WIND CHILL VALUES WILL
  RANGE FROM 20 TO 25 BELOW THIS AFTERNOON AND DROP TO 20 TO 30
  BELOW TONIGHT.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YO ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ023>028-035>039-220215-
/O.EXP.KDMX.WC.W.0001.000000T0000Z-130121T1800Z/
/O.NEW.KDMX.WC.Y.0002.130122T0000Z-130122T1600Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
HAMPTON...ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...
ELDORA...GRUNDY CENTER...WATERLOO
1213 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 10 AM
CST TUESDAY...
...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
10 AM CST TUESDAY. 

* WIND AND WIND CHILL TEMPERATURES...WIND CHILL VALUES WILL RANGE
  FROM 10 TO 20 BELOW FOR THE REST OF THE AFTERNOON ALONG WITH A
  NORTHWEST WIND AT 10 TO 20 MPH. TONIGHT THE WINDS WILL DIMINISH
  A BIT MORE BUT TEMPERATURES WILL QUICKLY FALL BELOW ZERO
  BRINGING WIND CHILL VALUES BACK DOWN TO 20 TO 25 BELOW AFTER
  6PM.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YO ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ033-034-211915-
/O.EXP.KDMX.WC.W.0001.000000T0000Z-130121T1800Z/
SAC-CALHOUN-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY
1213 PM CST MON JAN 21 2013

...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

ALTHOUGH VERY COLD TEMPERATURES WILL REMAIN OVER THE AREA AND THE
WIND WILL BE BRISK AT TIMES...WIND CHILL VALUES WILL CLIMB ABOVE
WARNING CRITERIA WITH VALUES STAYING IN THE 10 TO 20 BELOW RANGE.

$$

IAZ049-050-220215-
/O.EXP.KDMX.WC.Y.0001.000000T0000Z-130121T1800Z/
/O.NEW.KDMX.WC.Y.0002.130122T0000Z-130122T1600Z/
MARSHALL-TAMA-
INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO
1213 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 10 AM
CST TUESDAY...
...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
10 AM CST TUESDAY. 

* WIND AND WIND CHILL TEMPERATURES...WIND CHILL VALUES HAVE
  CLIMBED ABOVE ADVISORY CRITERIA FOR THIS AFTERNOON AND WINDS
  WILL DIMINISH SOME. TEMPERATURES WILL QUICKLY FALL BELOW ZERO
  EARLY THIS EVENING ALONG WITH A NORTHWEST WIND AT 10 TO 15 MPH
  CREATING WIND CHILLS FROM 20 TO 25 BELOW TONIGHT. AS A RESULT
  THE WIND CHILL ADVISORY WAS ALLOWED TO EXPIRE FOR THE AFTERNOON
  BUT WILL GO BACK INTO AFFECT TONIGHT.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YO ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ044>048-057>062-211915-
/O.EXP.KDMX.WC.Y.0001.000000T0000Z-130121T1800Z/
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON...BOONE...
AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...
GRINNELL
1213 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

ALTHOUGH VERY COLD TEMPERATURES WILL REMAIN OVER THE AREA AND THE
WIND WILL BE BRISK AT TIMES...WIND CHILL VALUES WILL CLIMB ABOVE
ADVISORY CRITERIA WITH VALUES APPROACHING 10 TO 15 BELOW BY MID AFTERNOON.

$$

FAB
5 follow-up statements
282 
WWUS43 KDMX 212122
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
322 PM CST MON JAN 21 2013

...DANGEROUSLY COLD WIND CHILLS EXPECTED AGAIN TONIGHT ACROSS THE NORTHEAST...

.A NORTHWEST AT 15 TO 25 MPH WILL DIMINISH TO 5 TO 15 MPH BY
MORNING BUT BRUTALLY COLD TEMPERATURES ARE EXPECTED TONIGHT ACROSS
NORTHEAST PORTIONS OF CENTRAL IOWA.

IAZ004>007-015>017-220530-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-130122T1600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY
322 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
TUESDAY...

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 15 TO 25
  MPH WILL GRADUALLY DIMINISH TO 5 TO 10 MPH BY TUESDAY MORNING.
  TEMPERATURES ACROSS THE ADVISORY AREA WILL DROP TO 10 TO 15
  DEGREES BELOW ZERO. THE COMBINATION OF BRUTALLY COLD
  TEMPERATURES AND THE WIND WILL CREATE WIND CHILL VALUES OF 20
  TO 30 DEGREES BELOW ZERO TONIGHT.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YO ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ023>028-035>039-049-050-220530-
/O.CON.KDMX.WC.Y.0002.130122T0000Z-130122T1600Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
HAMPTON...ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...
ELDORA...GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO
322 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
TUESDAY...

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 15 TO 25
  MPH WILL GRADUALLY DIMINISH TO 5 TO 10 MPH BY TUESDAY MORNING.
  TEMPERATURES ACROSS THE ADVISORY AREA WILL DROP TO 5 TO 10
  DEGREES BELOW ZERO. THE COMBINATION OF BITTER COLD TEMPERATURES
  AND THE WIND WILL CREATE WIND CHILL VALUES OF 20 TO 25 DEGREES
  BELOW ZERO TONIGHT.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YO ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

FAB
313 
WWUS43 KDMX 220332
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
932 PM CST MON JAN 21 2013

.A NORTHWEST AT 10 TO 15 MPH WILL CONTINUE THROUGH THE REST OF THE
NIGHT. THEY WILL DIMINISH SOMEWHAT TOWARD SUNRISE. BITTERLY COLD
WIND CHILL VALUES ARE EXPECTED TONIGHT ACROSS NORTHEAST PORTIONS
OF CENTRAL IOWA.

IAZ004>007-015>017-221145-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-130122T1600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY
932 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
TUESDAY...

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 10 TO 15
  MPH WILL GRADUALLY DIMINISH TO 5 TO 10 MPH BY SUNRISE TUESDAY.
  TEMPERATURES ACROSS THE ADVISORY AREA WILL DROP TO 10 TO 15
  DEGREES BELOW ZERO. THE COMBINATION OF VERY COLD TEMPERATURES
  AND THE WIND WILL CREATE WIND CHILL VALUES OF 20 TO 25 DEGREES
  BELOW ZERO TONIGHT.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YOU ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ023>028-035>039-049-050-221145-
/O.CON.KDMX.WC.Y.0002.000000T0000Z-130122T1600Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
HAMPTON...ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...
ELDORA...GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO
932 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
TUESDAY...

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 10 TO 15
  MPH WILL GRADUALLY DIMINISH TO 5 TO 10 MPH BY SUNRISE TUESDAY.
  TEMPERATURES ACROSS THE ADVISORY AREA WILL DROP TO 5 TO 10
  DEGREES BELOW ZERO. THE COMBINATION OF VERY COLD TEMPERATURES
  AND THE WIND WILL CREATE WIND CHILL VALUES OF AROUND 20 DEGREES
  BELOW ZERO TONIGHT. 

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YO ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
680 
WWUS43 KDMX 220334
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
934 PM CST MON JAN 21 2013

.A NORTHWEST AT 10 TO 15 MPH WILL CONTINUE THROUGH THE REST OF
THE NIGHT. THEY WILL DIMINISH SOMEWHAT TOWARD SUNRISE. BITTERLY
COLD WIND CHILL VALUES ARE EXPECTED TONIGHT ACROSS NORTHEAST
PORTIONS OF CENTRAL IOWA.

IAZ004>007-015>017-221145-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-130122T1600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY
934 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
TUESDAY...

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 10 TO 
  15 MPH WILL GRADUALLY DIMINISH TO 5 TO 10 MPH BY SUNRISE 
  TUESDAY. TEMPERATURES ACROSS THE ADVISORY AREA WILL DROP TO 10 
  TO 15 DEGREES BELOW ZERO. THE COMBINATION OF VERY COLD 
  TEMPERATURES AND THE WIND WILL CREATE WIND CHILL VALUES OF 20 
  TO 25 DEGREES BELOW ZERO TONIGHT. 

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YOU ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ023>028-035>039-049-050-221145-
/O.CON.KDMX.WC.Y.0002.000000T0000Z-130122T1600Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
HAMPTON...ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...
ELDORA...GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO
934 PM CST MON JAN 21 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
TUESDAY...

* WIND AND WIND CHILL TEMPERATURES...A NORTHWEST WIND AT 10 TO 
  15 MPH WILL GRADUALLY DIMINISH TO 5 TO 10 MPH BY SUNRISE 
  TUESDAY. TEMPERATURES ACROSS THE ADVISORY AREA WILL DROP TO 5 
  TO 10 DEGREES BELOW ZERO. THE COMBINATION OF VERY COLD 
  TEMPERATURES AND THE WIND WILL CREATE WIND CHILL VALUES OF 
  AROUND 20 DEGREES BELOW ZERO TONIGHT. 

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YOU ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$
712 
WWUS43 KDMX 220939
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
339 AM CST TUE JAN 22 2013

.BITTERLY COLD WIND CHILL VALUES WILL STILL BE POSSIBLE THROUGH
MID MORNING ACROSS NORTHEAST PORTIONS OF CENTRAL IOWA.

IAZ004>007-015>017-221600-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-130122T1600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY
339 AM CST TUE JAN 22 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* WIND AND WIND CHILL TEMPERATURES...NORTH TO NORTHWEST WINDS OF
  AROUND 0 TO 10 BELOW ZERO TO CREATE WIND CHILL VALUES IN THE 15
  BELOW TO 25 BELOW RANGE THROUGH MID MORNING.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YOU ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ023>028-035>039-049-050-221600-
/O.CON.KDMX.WC.Y.0002.000000T0000Z-130122T1600Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
HAMPTON...ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...
ELDORA...GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO
339 AM CST TUE JAN 22 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* WIND AND WIND CHILL TEMPERATURES...NORTH TO NORTHWEST WINDS OF
  AROUND 0 TO 10 BELOW ZERO TO CREATE WIND CHILL VALUES IN THE 15
  BELOW TO 25 BELOW RANGE THROUGH MID MORNING. 

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YOU ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

MJB
159 
WWUS43 KDMX 221317
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
717 AM CST TUE JAN 22 2013


IAZ023>028-035>039-049-050-221430-
/O.CAN.KDMX.WC.Y.0002.000000T0000Z-130122T1600Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION...
HAMPTON...ALLISON...WAVERLY...FORT DODGE...WEBSTER CITY...
ELDORA...GRUNDY CENTER...WATERLOO...MARSHALLTOWN...TOLEDO
717 AM CST TUE JAN 22 2013

...WIND CHILL ADVISORY IS CANCELLED...

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

WIND CHILL VALUES HAVE IMPROVED ACROSS THE AREA...ALLOWING THE
ADVISORY TO BE CANCELLED. WIND CHILLS OF AROUND 10 BELOW TO 15
BELOW ARE STILL POSSIBLE THROUGH MID MORNING. 

$$

IAZ004>006-015-016-221430-
/O.CAN.KDMX.WC.Y.0001.000000T0000Z-130122T1600Z/
EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-HANCOCK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
EMMETSBURG...GARNER
717 AM CST TUE JAN 22 2013

...WIND CHILL ADVISORY IS CANCELLED...

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

WIND CHILL VALUES HAVE IMPROVED ACROSS THE AREA...ALLOWING THE
ADVISORY TO BE CANCELLED. WIND CHILLS OF AROUND 10 BELOW TO AROUND
15 BELOW ARE STILL POSSIBLE THROUGH MID MORNING.


$$

IAZ007-017-221600-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-130122T1600Z/
WORTH-CERRO GORDO-
INCLUDING THE CITIES OF...NORTHWOOD...MASON CITY
717 AM CST TUE JAN 22 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* WIND AND WIND CHILL TEMPERATURES...NORTH TO NORTHWEST WINDS OF
  AROUND 5 TO 10 MPH WITH TEMPERATURES AROUND 5 BELOW ZERO WILL
  COMBINE TO CREATE WIND CHILL VALUES IN THE 15 BELOW TO 25 BELOW
  RANGE THROUGH MID MORNING.

* IMPACTS...FROSTBITE CAN EASILY OCCUR IF YOU ARE EXPOSED TO THE 
  ELEMENTS FOR MORE THAN 30 MINUTES WITHOUT PROPER WINTER 
  WEATHER CLOTHING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF
YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

MJB

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this wind chill advisory went out at Jan 21, 11:45 AM CST, 28 minutes earlier.

Area forecast discussion, Jan 21, 11:45 AM CST, 28 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
1145 AM CST MON JAN 21 2013

...UPDATED FOR THE 18Z AVIATION DISCUSSION...

.SHORT TERM /TODAY/...
NEXT WAVE OF ARCTIC AIR IS CURRENTLY SETTLING SOUTH THROUGH CENTRAL
IOWA. A BAND OF CLOUD COVER IS ASSOCIATED WITH THE SURGE AND IS
CENTERED ALONG A WATERLOO TO FORT DODGE TO SIOUX CITY LINE. BEST
TEMPERATURE FALLS AND INCREASED WINDS ARE BACK BEHIND THE CLOUDS IN
THE CLEARING WHERE INSULATION IS REMOVED AND TEMPERATURES FALLING
BELOW ZERO. WIND CHILL VALUES THIS MORNING WILL BE 25 BELOW TO 35
BELOW OVER THE NORTH THROUGH MUCH OF THE MORNING AND 15 BELOW TO 25
BELOW SOUTH. ARCTIC HIGH PRESSURE WILL DROP SOUTHEAST THROUGH THE
DAKOTAS TODAY AND RIDGE INTO WESTERN IOWA AND WILL REINFORCE THE
COLD DOME IN PLACE. AN UPPER LEVEL SYSTEM RIDING OVER THE WESTERN
EDGE OF THE SFC HIGH WILL BRING INCREASED MID LEVEL THETA-E
ADVECTION INTO SOUTHWEST IOWA BY THIS AFTERNOON. MID LEVEL CLOUDS
WILL BEGIN TO RETURN OVER THAT REGION AS A RESULT. A FEW FLURRIES OR
VERY LIGHT SNOW IS POSSIBLE WITH THE COLD ADVECTION CLOUD BAND THIS
MORNING OTHERWISE NO PRECIPITATION IS EXPECTED. TEMPERATURES THIS
MORNING WILL BOTTOM OUT AROUND 14-15Z THEN A SLOW RECOVERY TO
FOLLOW. HIGH TEMPERATURES WILL BE NEAR TO BELOW ZERO OVER THE NORTH
AND LOWER TEENS FAR SOUTH.

.LONG TERM /TONIGHT THROUGH SUNDAY/...
NOT TOO MANY CHANGES TO THE EXTENDED PERIOD...WITH MAIN CHANGE
COMING TO POSSIBLE LIGHT SNOW EVENT TUESDAY INTO TUESDAY NIGHT.
OTHERWISE INITIALLY STILL EXPECTING ANOTHER COLD NIGHT
TONIGHT...WITH ARCTIC AIR IN PLACE AND THE SFC HIGH SETTLING
OVERHEAD. THIS SHOULD RESULT IN CLEAR SKIES...LIGHT WINDS AND TEMPS
DROPPING OFF RAPIDLY. WITH HIGHS ONLY AROUND ZERO ACROSS THE NORTH
TODAY...SHOVED MIN TEMPS TONIGHT DOWN A FEW DEGREES TOWARD THE MID
TEENS BELOW ZERO. WIND CHILLS ALSO TO BE VERY COLD AGAIN
TONIGHT...WITH MUCH OF THE NORTHEASTERN HALF MEETING ADVISORY
CRITERIA OR NEAR WARNING CRITERIA. HOWEVER WILL LET DAYSHIFT ADDRESS
THIS...SO AS TO MAKE HEADLINE ADJUSTMENTS AFTER THE CURRENT WIND
CHILL HEADLINE HAS EXPIRED. AS CLOUD COVER INCREASES ACROSS THE
SOUTHWESTERN CWA WITH WAA KICKING IN ALOFT...DID NOT DROP OFF TEMPS
AS MUCH KEEPING LOWS IN THE SINGLE DIGITS ABOVE ZERO. OTHERWISE WAA
PATTERN TO CONTINUE ALOFT INTO TUESDAY/TUESDAY NIGHT...WITH MODELS
SATURATING THE COLUMN FOR A FEW HOURS ACROSS THE WEST/NORTH BY
TUESDAY AFTERNOON/EVENING. THEREFORE CONTINUED THE SLIGHT CHANCE
POPS ACROSS THE WEST/NORTH WITH SCATTERED FLURRIES ELSEWHERE...WITH
THE MAIN CHANGE TO PUSH BACK TIMING OF THE POPS INTO THE
AFTERNOON/EVENING TO BETTER COINCIDE WITH THE TIMING OF SATURATION
FROM THE SOUNDINGS.

MODELS IN BETTER AGREEMENT WITH DISJOINTED SYSTEM MOVING THROUGH THE
REGION THURSDAY INTO THURSDAY NIGHT...WITH SYSTEM NOT REALLY PHASING
KEEPING THE SOUTHERN STREAM WAVE A LITTLE AHEAD OF THE NORTHERN
STREAM WAVE DROPPING THROUGH THE REGION. THEREFORE COULD SEE SOME
LIGHT SNOW MAINLY ACROSS THE SOUTHEAST THURSDAY WITH THE SOUTHERN
SYSTEM...AND POSSIBLY SOME LIGHT SNOW PUSHING SOUTH INTO THE
NORTHERN CWA WITH THE NORTHERN WAVE. BETTER CHANCE FOR LIGHT SNOW
COMING THURSDAY NIGHT AS UPPER WAVE DROPS THROUGH THE CWA WITH
ANOTHER PUSH OF COLD AIR. CYCLONIC FLOW TO REMAIN IN PLACE INTO
FRIDAY AND COULD SEE SOME FLURRIES...BUT HAVE LEFT FORECAST DRY FOR
NOW. OTHERWISE WEAK UPPER LEVEL RIDGING STILL EXPECTED TO BUILD INTO
THE CENTRAL US INTO THE WEEKEND...SO HAVE CONTINUED DRY CONDITIONS
AND A RECOVERY OF TEMPS AS COULD SEE TEMPS BACK INTO THE 30S/40S BY
SUNDAY INTO EARLY NEXT WEEK.

&&

.AVIATION...21/18Z
A BAND OF MID TO HIGH LEVEL CLOUDS CAUGHT UP IN THE BROAD NW FLOW
WILL STREAM ACROSS THE SOUTH AND WEST.  KFOD...KDSM AND KOTM ON THE
FRINGE OF THE VFR CIGS.  OTHERWISE WINDS WILL GRADUALLY DIMINISH
THROUGH 00Z AND REMAIN AROUND 5-10 KTS OVERNIGHT THEN DROP OFF
AROUND 12Z.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY UNTIL NOON CST MONDAY FOR AUDUBON-BOONE-
CARROLL-CRAWFORD-DALLAS-GREENE-GUTHRIE-JASPER-MARSHALL-POLK-
POWESHIEK-STORY-TAMA.

WIND CHILL WARNING UNTIL NOON CST MONDAY FOR BLACK HAWK-BREMER-
BUTLER-CALHOUN-CERRO GORDO-EMMET-FRANKLIN-GRUNDY-HAMILTON-
HANCOCK-HARDIN-HUMBOLDT-KOSSUTH-PALO ALTO-POCAHONTAS-SAC-WEBSTER-
WINNEBAGO-WORTH-WRIGHT.

&&

SHORT TERM...DONAVON
LONG TERM...BEERENDS
AVIATION...FAB
Hazardous weather outlook, Jan 21, 4:53 AM CST, 7 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
453 AM CST MON JAN 21 2013

IAZ004>007-015>017-023>028-033>039-221100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
453 AM CST MON JAN 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A WIND CHILL WARNING REMAINS IN EFFECT FOR THE AREA. PLEASE REFER
TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES
FOR FURTHER DETAILS.

DANGEROUSLY COLD WIND CHILLS OF AROUND 20 BELOW TO 30 BELOW ZERO
ARE EXPECTED TO CONTINUE ACROSS THE AREA THIS AFTERNOON INTO
TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

DANGEROUSLY COLD WIND CHILLS OF AROUND 20 BELOW TO 30 BELOW ZERO
ARE EXPECTED THROUGH MID MORNING TUESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.

IAZ044>050-057>062-221100-
CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
DALLAS-POLK-JASPER-POWESHIEK-
453 AM CST MON JAN 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A WIND CHILL ADVISORY REMAINS IN EFFECT FOR THE AREA. PLEASE
REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

COLD WIND CHILLS OF AROUND 10 BELOW TO 20 BELOW WILL OCCUR TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.

IAZ070>075-081>086-092>097-221100-
CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-
MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
453 AM CST MON JAN 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.

MJB

In the hours before

Local storm report, Jan 21, 10:03 AM CST, 2 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
1003 AM CST MON JAN 21 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1145 AM     SNOW             BOONE                   42.05N 93.88W
01/20/2013  M1.0 INCH        BOONE              IA   NWS EMPLOYEE

0100 PM     SNOW             ANKENY                  41.72N 93.61W
01/20/2013  E1.0 INCH        POLK               IA   NWS EMPLOYEE

0130 PM     SNOW             JEFFERSON               42.02N 94.38W
01/20/2013  E2.0 INCH        GREENE             IA   LAW ENFORCEMENT

0218 PM     SNOW             BOONE                   42.05N 93.88W
01/20/2013  M1.8 INCH        BOONE              IA   NWS EMPLOYEE

0330 PM     SNOW             5 SSW SAYLORVILLE LAKE  41.68N 93.76W
01/20/2013  M1.5 INCH        POLK               IA   NWS EMPLOYEE

            OFF DUTY NWS EMPLOYEE

0410 PM     SNOW             4 NW OTTUMWA            41.06N 92.47W
01/20/2013  E1.0 INCH        WAPELLO            IA   TRAINED SPOTTER

0433 PM     SNOW             5 NNW ANKENY AIRPORT    41.76N 93.59W
01/20/2013  M1.3 INCH        POLK               IA   NWS EMPLOYEE

            SNOW TOTAL

0600 PM     SNOW             DES MOINES INT AIRPORT  41.53N 93.66W
01/20/2013  M1.0 INCH        POLK               IA   OFFICIAL NWS OBS

            STORM TOTAL SNOWFALL. OFFICIAL SNOW TOTAL FOR DES MOINES.

0600 PM     SNOW             3 S POLK CITY           41.74N 93.72W
01/20/2013  M1.6 INCH        POLK               IA   OFFICIAL NWS OBS

            STORM TOTAL SNOWFALL AT NWS OFFICE IN JOHNSTON

0700 AM     SNOW             5 SE AMES               41.97N 93.56W
01/21/2013  M1.0 INCH        STORY              IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             SAC CITY                42.42N 95.00W
01/21/2013  M2.0 INCH        SAC                IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             ROCKWELL CITY           42.40N 94.63W
01/21/2013  M1.0 INCH        CALHOUN            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             JEFFERSON               42.02N 94.38W
01/21/2013  M1.5 INCH        GREENE             IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             GUTHRIE CENTER          41.68N 94.50W
01/21/2013  M1.0 INCH        GUTHRIE            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             DENISON                 42.02N 95.35W
01/21/2013  M1.5 INCH        CRAWFORD           IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             CARROLL                 42.07N 94.86W
01/21/2013  M1.7 INCH        CARROLL            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             AUDUBON                 41.72N 94.93W
01/21/2013  M1.2 INCH        AUDUBON            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             3 E MANNING             41.91N 95.01W
01/21/2013  M1.4 INCH        CARROLL            IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             PERRY                   41.84N 94.10W
01/21/2013  M1.3 INCH        DALLAS             IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             1 W MONTEZUMA           41.58N 92.55W
01/21/2013  M0.5 INCH        POWESHIEK          IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             WEBSTER CITY            42.46N 93.82W
01/21/2013  M0.5 INCH        HAMILTON           IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             KNOXVILLE               41.32N 93.10W
01/21/2013  M1.5 INCH        MARION             IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             1 S PELLA               41.39N 92.92W
01/21/2013  M1.0 INCH        MARION             IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             OSKALOOSA               41.29N 92.64W
01/21/2013  M2.0 INCH        MAHASKA            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             1 N WINTERSET           41.35N 94.02W
01/21/2013  M0.5 INCH        MADISON            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             BAGLEY                  41.85N 94.43W
01/21/2013  M1.6 INCH        GUTHRIE            IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             GILBERT                 42.11N 93.65W
01/21/2013  M1.2 INCH        STORY              IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             SCHLESWIG               42.16N 95.43W
01/21/2013  M1.0 INCH        CRAWFORD           IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             2 ENE FORT DODGE        42.52N 94.14W
01/21/2013  M1.0 INCH        WEBSTER            IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             2 WNW ANKENY            41.74N 93.64W
01/21/2013  M1.7 INCH        POLK               IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             4 S NORWALK             41.44N 93.68W
01/21/2013  M0.5 INCH        WARREN             IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             1 NW WEBSTER CITY       42.47N 93.83W
01/21/2013  M0.5 INCH        HAMILTON           IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             1 ENE AMES              42.03N 93.61W
01/21/2013  M1.5 INCH        STORY              IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             BOONE                   42.05N 93.88W
01/21/2013  M1.6 INCH        BOONE              IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             5 SW GRINNELL           41.69N 92.79W
01/21/2013  M0.8 INCH        JASPER             IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             NNW FORT DODGE          42.51N 94.18W
01/21/2013  M1.0 INCH        WEBSTER            IA   CO-OP OBSERVER

            24 HOUR STORM TOTAL SNOWFALL

0700 AM     SNOW             2 NNE AMES              42.05N 93.61W
01/21/2013  M2.0 INCH        STORY              IA   COCORAHS

            24 HOUR STORM TOTAL SNOWFALL

&&

THE TOTALS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.

   SNOWFALL AMOUNTS FROM THE JANUARY 20 2013 SNOW EVENT.
SNOW REPORTS LISTED BY AMOUNT

 INCHES  LOCATION                 ST  COUNTY           TIME
 ------  -----------------------  --  --------------   -------
  2.00   2 NNE AMES               IA  STORY            0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  2.00   OSKALOOSA                IA  MAHASKA          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  2.00   SAC CITY                 IA  SAC              0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  2.00   JEFFERSON                IA  GREENE           0130 PM
  1.80   BOONE                    IA  BOONE            0218 PM
  1.70   2 WNW ANKENY             IA  POLK             0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.70   CARROLL                  IA  CARROLL          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.60   BOONE                    IA  BOONE            0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.60   BAGLEY                   IA  GUTHRIE          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.60   3 S POLK CITY            IA  POLK             0600 PM
                 STORM TOTAL SNOWFALL AT NWS OFFICE IN
                 JOHNSTON
  1.50   1 ENE AMES               IA  STORY            0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.50   KNOXVILLE                IA  MARION           0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.50   DENISON                  IA  CRAWFORD         0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.50   JEFFERSON                IA  GREENE           0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.50   5 SSW SAYLORVILLE LAKE   IA  POLK             0330 PM
                 OFF DUTY NWS EMPLOYEE
  1.40   3 E MANNING              IA  CARROLL          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.30   PERRY                    IA  DALLAS           0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.30   5 NNW ANKENY AIRPORT     IA  POLK             0433 PM
                 SNOW TOTAL
  1.20   GILBERT                  IA  STORY            0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.20   AUDUBON                  IA  AUDUBON          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   NNW FORT DODGE           IA  WEBSTER          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   2 ENE FORT DODGE         IA  WEBSTER          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   SCHLESWIG                IA  CRAWFORD         0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   1 S PELLA                IA  MARION           0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   GUTHRIE CENTER           IA  GUTHRIE          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   ROCKWELL CITY            IA  CALHOUN          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   5 SE AMES                IA  STORY            0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  1.00   DES MOINES INT AIRPORT   IA  POLK             0600 PM
                 STORM TOTAL SNOWFALL. OFFICIAL SNOW TOTAL FOR
                 DES MOINES.
  1.00   4 NW OTTUMWA             IA  WAPELLO          0410 PM
  1.00   ANKENY                   IA  POLK             0100 PM
  1.00   BOONE                    IA  BOONE            1145 AM
  0.80   5 SW GRINNELL            IA  JASPER           0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  0.50   1 NW WEBSTER CITY        IA  HAMILTON         0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  0.50   4 S NORWALK              IA  WARREN           0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  0.50   1 N WINTERSET            IA  MADISON          0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  0.50   WEBSTER CITY             IA  HAMILTON         0700 AM
                 24 HOUR STORM TOTAL SNOWFALL
  0.50   1 W MONTEZUMA            IA  POWESHIEK        0700 AM
                 24 HOUR STORM TOTAL SNOWFALL

SKOW

Nearby

Wind Chill Advisories in Iowa, 2013Every wind chill advisory in 2013

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.