Wind Chill Advisory 1, NWS Des Moines, IA

255 
WWUS43 KDMX 181557
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
957 AM CST WED JAN 18 2012

...BITTER COLD TEMPERATURES LATE TONIGHT THROUGH THURSDAY MORNING...

.WINDS WILL TURN TO NORTHWEST AND STRENGTHEN AFTER DARK TONIGHT
WITH MUCH COLDER TEMPERATURES SURGING IN FROM THE NORTH...
PRODUCING DANGEROUS WIND CHILLS LATE TONIGHT THROUGH THURSDAY
MORNING.

IAZ004>007-015>017-023>028-033>039-190000-
/O.CON.KDMX.WC.Y.0001.120119T0900Z-120119T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO
957 AM CST WED JAN 18 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
THURSDAY...

* TIMING...WINDS WILL TURN TO NORTHWEST AFTER 9 PM. TEMPERATURES
  ARE EXPECTED TO DROP FAIRLY QUICKLY TONIGHT DESPITE CLOUD COVER.
  TEMPERATURES WILL BOTTOM OUT BY DAYBREAK BUT ARE NOT EXPECTED TO
  RECOVER MUCH THROUGH THURSDAY MORNING.

* WINDS...A NORTHWEST WIND AT 15 TO 25 MPH IS EXPECTED...WITH
  HIGHER GUSTS AT TIMES LATE TONIGHT.

* TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL PLUNGE TO 
  BELOW ZERO BY AROUND SUNRISE THURSDAY...BOTTOMING OUT AROUND 
  10 BELOW NEAR THE MINNESOTA BORDER. THIS WILL RESULT IN WIND 
  CHILLS OF -20 TO -30 BELOW ZERO. 

* IMPACTS...THE BITTER COLD AIR WILL MAKE IT DANGEROUS TO BE
  OUTSIDE. THIS WILL BE THE COLDEST MORNING OF THE WINTER SO
  FAR...SO IT IS ESPECIALLY IMPORTANT TO TAKE APPROPRIATE
  PRECAUTIONS.

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

897 
WWUS43 KDMX 182144
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
344 PM CST WED JAN 18 2012

...BITTER COLD TEMPERATURES LATE TONIGHT THROUGH THURSDAY
MORNING...

.HIGH PRESSURE WILL PUSH INTO NORTHERN AND NORTHWEST IOWA
OVERNIGHT INTO THURSDAY MORNING BEFORE SETTLING OVER IOWA LATER IN
THE DAY. A NORTH WIND AT 15 TO 30 MPH WILL USHER IN FRIGID
TEMPERATURES AND DANGEROUS WIND CHILLS LATE TONIGHT THROUGH
THURSDAY MORNING.

IAZ004>007-015>017-023>028-033>039-190545-
/O.CON.KDMX.WC.Y.0001.120119T0900Z-120119T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO
344 PM CST WED JAN 18 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
THURSDAY...

* TIMING...WINDS WILL TURN TO NORTHWEST AFTER 9 PM. TEMPERATURES
  ARE EXPECTED TO DROP FAIRLY QUICKLY TONIGHT...ESPECIALLY AFTER
  MIDNIGHT...DESPITE SOME CLOUD COVER. TEMPERATURES WILL BOTTOM
  OUT BY DAYBREAK BUT ARE NOT EXPECTED TO RECOVER MUCH THROUGH
  THURSDAY MORNING.

* WINDS...A NORTHWEST WIND AT 15 TO 30 MPH IS EXPECTED...WITH
  HIGHER GUSTS AT TIMES LATE TONIGHT.

* TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL PLUNGE TO
  BELOW ZERO SHORTLY AFTER MIDNIGHT AND DROP TO 20 TO 30 BELOW
  FROM 3 AM THROUGH NOON THURSDAY.

* IMPACTS...THE BITTER COLD AIR WILL MAKE IT DANGEROUS TO BE 
  OUTSIDE. THIS WILL BE THE COLDEST MORNING OF THE WINTER SO 
  FAR...SO IT IS ESPECIALLY IMPORTANT TO TAKE APPROPRIATE 
  PRECAUTIONS. 

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

101 
WWUS43 KDMX 190235
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
835 PM CST WED JAN 18 2012

...BITTER COLD LATE TONIGHT THROUGH THURSDAY MORNING...

.HIGH PRESSURE WILL PUSH INTO NORTHERN AND NORTHWEST IOWA OVERNIGHT
BEFORE SETTLING OVER IOWA LATER IN THE DAY THURSDAY. A NORTH WIND
AT 15 TO 30 MPH WILL USHER IN FRIGID TEMPERATURES AND DANGEROUS
WIND CHILLS LATE TONIGHT THROUGH TOMORROW MORNING.

IAZ004>007-015>017-023>028-033>039-191045-
/O.CON.KDMX.WC.Y.0001.120119T0900Z-120119T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO
835 PM CST WED JAN 18 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
THURSDAY...

* TIMING...WINDS WILL BECOME NORTHWEST THROUGH THE REMAINDER OF
  TONIGHT. TEMPERATURES ARE EXPECTED TO DROP QUICKLY...ESPECIALLY
  AFTER MIDNIGHT. TEMPERATURES WILL BOTTOM OUT BY DAYBREAK AND ARE
  NOT EXPECTED TO RECOVER MUCH THURSDAY.

* WINDS...A NORTHWEST WIND AT 15 TO 30 MPH IS EXPECTED...WITH 
  HIGHER GUSTS AT TIMES LATE TONIGHT. 

* TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL PLUNGE TO
  BELOW ZERO SHORTLY AFTER MIDNIGHT OVER FAR NORTHERN IOWA AND
  WIND CHILLS DROP TO 20 TO 30 BELOW FROM 3 AM THROUGH NEARLY NOON
  TOMORROW. THE PERIOD OF GREATEST CONCERN WILL BE BETWEEN 6 AND 9
  AM EARLY THURSDAY MORNING WHEN MANY WILL BE ON THE WAY TO WORK
  AND SCHOOL. 

* IMPACTS...THE BITTER COLD AIR WILL MAKE IT DANGEROUS TO BE
  OUTSIDE. THIS WILL BE THE COLDEST MORNING OF THE WINTER SO
  FAR...SO IT IS ESPECIALLY IMPORTANT TO TAKE APPROPRIATE PRECAUTIONS.

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.

&&

$$

REV

812 
WWUS43 KDMX 190941
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
341 AM CST THU JAN 19 2012

...BITTER COLD THIS MORNING WITH HEAVY SNOW EXPECTED FRIDAY...

.BITTER COLD WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO WILL
CONTINUE THIS MORNING. FROM LATE TONIGHT THROUGH FRIDAY SNOW WILL
SPREAD ACROSS THE AREA WITH MODERATE TO HEAVY ACCUMULATIONS
EXPECTED...MAKING TRAVEL HAZARDOUS ON FRIDAY.

IAZ004>007-015>017-023>028-035>039-191745-
/O.NEW.KDMX.WS.W.0001.120120T0600Z-120121T0600Z/
/O.CON.KDMX.WC.Y.0001.000000T0000Z-120119T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO
341 AM CST THU JAN 19 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST FRIDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.

* WIND AND WIND CHILL VALUES...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE THIS MORNING. THESE WINDS WILL PRODUCE WIND CHILL
  VALUES OF 20 TO 30 DEGREES BELOW ZERO.


THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT CST FRIDAY NIGHT.

* TIMING...SNOW WILL SPREAD INTO NORTHWESTERN IOWA SHORTLY AFTER
  MIDNIGHT TONIGHT AND REACH NORTHEASTERN IOWA BEFORE SUNRISE. THE
  HEAVIEST SNOWFALL WILL BE DURING THE DAY ON FRIDAY.

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 TO
  7 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...WINDS OF 10 TO 15 MPH WITH INTERMITTENT
  HIGHER GUSTS ARE FORECAST. THIS WILL LEAD TO SOME BLOWING AND
  DRIFTING OF SNOW AND REDUCED VISIBILITIES...ESPECIALLY WHILE
  SNOW IS FALLING.

* IMPACTS...MODERATE TO HEAVY SNOWFALL WILL MAKE TRAVEL DANGEROUS.
  BLOWING AND DRIFTING OF SNOW WILL EXACERBATE THIS THREAT. IN
  ADDITION...DANGEROUS WIND CHILLS BELOW ZERO ARE EXPECTED ON
  FRIDAY AND ESPECIALLY FRIDAY NIGHT.

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.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

IAZ050-191745-
/O.NEW.KDMX.WS.W.0001.120120T0600Z-120121T0600Z/
TAMA-
INCLUDING THE CITY OF...TOLEDO
341 AM CST THU JAN 19 2012

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT CST FRIDAY NIGHT.

* TIMING...SNOW WILL SPREAD INTO NORTHWESTERN IOWA SHORTLY AFTER
  MIDNIGHT TONIGHT AND REACH NORTHEASTERN IOWA BEFORE SUNRISE. THE
  HEAVIEST SNOWFALL WILL BE DURING THE DAY ON FRIDAY.

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 TO
  7 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WINDS/VISIBILITY...WINDS OF 10 TO 15 MPH WITH INTERMITTENT
  HIGHER GUSTS ARE FORECAST. THIS WILL LEAD TO SOME BLOWING AND
  DRIFTING OF SNOW AND REDUCED VISIBILITIES...ESPECIALLY WHILE
  SNOW IS FALLING.

* IMPACTS...MODERATE TO HEAVY SNOWFALL WILL MAKE TRAVEL DANGEROUS.
  BLOWING AND DRIFTING OF SNOW WILL EXACERBATE THIS THREAT. IN
  ADDITION...DANGEROUS WIND CHILLS BELOW ZERO ARE EXPECTED ON
  FRIDAY AND ESPECIALLY FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

IAZ033-034-191745-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-120119T1800Z/
SAC-CALHOUN-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY
341 AM CST THU JAN 19 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WIND AND WIND CHILL VALUES...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE THIS MORNING. THESE WINDS WILL PRODUCE WIND CHILL
  VALUES OF 20 TO 30 DEGREES BELOW ZERO.

* IMPACTS...THE BITTER COLD AIR WILL MAKE IT DANGEROUS TO BE 
  OUTSIDE. THIS WILL BE THE COLDEST MORNING OF THE WINTER SO 
  FAR...SO IT IS ESPECIALLY IMPORTANT TO TAKE APPROPRIATE 
  PRECAUTIONS. 

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.

&&

$$

LEE/MS JAN 12

198 
WWUS43 KDMX 191649
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1049 AM CST THU JAN 19 2012

...BITTER COLD THIS MORNING WITH HEAVY SNOW EXPECTED FRIDAY...

.BITTER COLD WIND CHILLS WILL CONTINUE THIS MORNING. FROM LATE
TONIGHT THROUGH FRIDAY SNOW WILL SPREAD ACROSS THE AREA WITH
MODERATE TO HEAVY ACCUMULATIONS EXPECTED...MAKING TRAVEL HAZARDOUS
ON FRIDAY.

IAZ004>007-015>017-023>028-035>039-200100-
/O.CON.KDMX.WS.W.0001.120120T0600Z-120121T0600Z/
/O.CON.KDMX.WC.Y.0001.000000T0000Z-120119T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO
1049 AM CST THU JAN 19 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT CST FRIDAY NIGHT...

* WIND AND WIND CHILL VALUES...NORTHWEST WINDS OF 10 TO 20 MPH AND
  TEMPERATURES FROM ZERO TO FIVE BELOW ZERO WILL PRODUCE WIND
  CHILL VALUES OF 15 TO 30 DEGREES BELOW ZERO THROUGH NOONTIME.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT CST FRIDAY NIGHT.

* TIMING...SNOW WILL SPREAD INTO NORTHWESTERN IOWA SHORTLY AFTER 
  MIDNIGHT TONIGHT AND REACH NORTHEASTERN IOWA BEFORE SUNRISE. 
  THE HEAVIEST SNOWFALL WILL BE DURING THE DAY ON FRIDAY. 

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 
  TO 7 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS 
  POSSIBLE. 

* WINDS/VISIBILITY...WINDS OF 10 TO 15 MPH ARE FORECAST. THIS WILL
  LEAD TO MINOR BLOWING AND DRIFTING OF SNOW AND REDUCED
  VISIBILITIES...ESPECIALLY WHILE SNOW IS FALLING.

* IMPACTS...MODERATE TO HEAVY SNOWFALL WILL MAKE TRAVEL DANGEROUS. IN
  ADDITION...DANGEROUS WIND CHILLS BELOW ZERO ARE EXPECTED ON
  FRIDAY AND ESPECIALLY FRIDAY NIGHT.

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.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

IAZ050-200100-
/O.CON.KDMX.WS.W.0001.120120T0600Z-120121T0600Z/
TAMA-
INCLUDING THE CITY OF...TOLEDO
1049 AM CST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT CST FRIDAY NIGHT...

* TIMING...SNOW WILL SPREAD INTO NORTHWESTERN IOWA SHORTLY AFTER 
  MIDNIGHT TONIGHT AND REACH NORTHEASTERN IOWA BEFORE SUNRISE. 
  THE HEAVIEST SNOWFALL WILL BE DURING THE DAY ON FRIDAY. 

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 
  TO 7 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS 
  POSSIBLE. 

* WINDS/VISIBILITY...WINDS OF 10 TO 15 MPH ARE FORECAST. THIS WILL
  LEAD TO MINOR BLOWING AND DRIFTING OF SNOW AND REDUCED
  VISIBILITIES...ESPECIALLY WHILE SNOW IS FALLING.

* IMPACTS...MODERATE TO HEAVY SNOWFALL WILL MAKE TRAVEL DANGEROUS. IN
  ADDITION...DANGEROUS WIND CHILLS BELOW ZERO ARE EXPECTED ON
  FRIDAY AND ESPECIALLY FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

IAZ033-034-191800-
/O.CON.KDMX.WC.Y.0001.000000T0000Z-120119T1800Z/
SAC-CALHOUN-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY
1049 AM CST THU JAN 19 2012

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WIND AND WIND CHILL VALUES...NORTHWEST WINDS OF 10 TO 20 MPH AND
  TEMPERATURES FROM ZERO TO FIVE BELOW ZERO WILL PRODUCE WIND
  CHILL VALUES OF 15 TO 30 DEGREES BELOW ZERO THROUGH NOONTIME. 

* IMPACTS...THE BITTER COLD AIR WILL MAKE IT DANGEROUS TO BE 
  OUTSIDE. THIS WILL BE THE COLDEST MORNING OF THE WINTER SO 
  FAR...SO IT IS ESPECIALLY IMPORTANT TO TAKE APPROPRIATE 
  PRECAUTIONS. 

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.

&&

$$

SMALL

393 
WWUS43 KDMX 191801
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1201 PM CST THU JAN 19 2012

...HEAVY SNOW EXPECTED OVER NORTHERN IOWA FRIDAY...

.WIND CHILLS HAVE MODERATED SOMEWHAT AT MIDDAY ALLOWING THE ADVISORY
TO EXPIRE...BUT SNOW IS EXPECTED TO DEVELOP LATE TONIGHT INTO
FRIDAY. SNOW WILL SPREAD ACROSS NORTHERN IOWA WITH MODERATE TO
HEAVY ACCUMULATIONS EXPECTED...MAKING TRAVEL HAZARDOUS.

IAZ004>007-015>017-023>028-035>039-192200-
/O.EXP.KDMX.WC.Y.0001.000000T0000Z-120119T1800Z/
/O.CON.KDMX.WS.W.0001.120120T0600Z-120121T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO
1201 PM CST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT CST FRIDAY NIGHT...
...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT CST FRIDAY NIGHT. THE WIND CHILL ADVISORY HAS
EXPIRED.

* TIMING...SNOW WILL SPREAD INTO NORTHWESTERN IOWA SHORTLY AFTER 
  MIDNIGHT TONIGHT AND REACH NORTHEASTERN IOWA BEFORE SUNRISE. 
  THE HEAVIEST SNOWFALL WILL BE DURING THE DAY ON FRIDAY. 

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 
  TO 7 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS 
  POSSIBLE. 

* WINDS/VISIBILITY...WINDS OF 10 TO 15 MPH ARE FORECAST. THIS 
  WILL LEAD TO MINOR BLOWING AND DRIFTING OF SNOW AND REDUCED 
  VISIBILITIES...ESPECIALLY WHILE SNOW IS FALLING. 

* IMPACTS...MODERATE TO HEAVY SNOWFALL WILL MAKE TRAVEL 
  DANGEROUS. IN ADDITION...DANGEROUS WIND CHILLS BELOW ZERO ARE 
  EXPECTED ON FRIDAY AND ESPECIALLY FRIDAY NIGHT.

* WIND CHILLS...WIND CHILLS WILL STILL BE QUITE COLD THIS
  AFTERNOON...10 BELOW ZERO OR LESS...BUT REMAIN ABOVE ADVISORY CRITERIA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

IAZ033-034-191915-
/O.EXP.KDMX.WC.Y.0001.000000T0000Z-120119T1800Z/
SAC-CALHOUN-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY
1201 PM CST THU JAN 19 2012

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

WIND CHILLS WILL STILL BE QUITE COLD THIS AFTERNOON...10 BELOW
ZERO OR LESS...BUT SHOULD REMAIN ABOVE ADVISORY CRITERIA.

$$

IAZ050-192200-
/O.CON.KDMX.WS.W.0001.120120T0600Z-120121T0600Z/
TAMA-
INCLUDING THE CITY OF...TOLEDO
1201 PM CST THU JAN 19 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT CST FRIDAY NIGHT...

* TIMING...SNOW WILL SPREAD INTO NORTHWESTERN IOWA SHORTLY AFTER 
  MIDNIGHT TONIGHT AND REACH NORTHEASTERN IOWA BEFORE SUNRISE. 
  THE HEAVIEST SNOWFALL WILL BE DURING THE DAY ON FRIDAY. 

* STORM TOTAL SNOW ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF 5 
  TO 7 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS 
  POSSIBLE. 

* WINDS/VISIBILITY...WINDS OF 10 TO 15 MPH ARE FORECAST. THIS 
  WILL LEAD TO MINOR BLOWING AND DRIFTING OF SNOW AND REDUCED 
  VISIBILITIES...ESPECIALLY WHILE SNOW IS FALLING. 

* IMPACTS...MODERATE TO HEAVY SNOWFALL WILL MAKE TRAVEL 
  DANGEROUS. IN ADDITION...DANGEROUS WIND CHILLS BELOW ZERO ARE 
  EXPECTED ON FRIDAY AND ESPECIALLY FRIDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

SMALL

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
332 AM CST WED JAN 18 2012

.SHORT TERM /TODAY/...
MAIN FORECAST ISSUE FOR TODAY WILL BE WITH TEMPERATURES AS STRONG
WARM ADVECTION OCCURS ACROSS THE STATE. CURRENTLY...SURFACE RIDGE IS
SLIDING OFF TO THE EAST WITH INCREASING SOUTHERLY FLOW OVER CENTRAL
IOWA. TEMPERATURES REMAIN VERY COLD WITH FRESH SNOW COVER AND CLEAR
SKIES WITH READINGS GENERALLY WITHIN A FEW DEGREES EITHER SIDE OF
ZERO EARLY THIS MORNING. SURFACE PRESSURE GRADIENT WILL TIGHTEN
QUICKLY THIS MORNING AS LOW PRESSURE MOVES QUICKLY ACRS THE DAKOTAS
AND INTO MINNESOTA. THIS WILL INCREASE SOUTHWEST WINDS OVER THE
ENTIRE AREA AS A THERMAL RIDGE IN THE PLAINS MOVES INTO THE STATE.
TEMPERATURES SHOULD RESPOND WITH DECENT WARMING THROUGH THE
MORNING...HOWEVER THE BIG QUESTION IS HOW MUCH GIVEN THE RECENT
FRESH SNOW COVER. SUNSHINE WILL BE ABUNDANT EARLY BUT WILL SEE
INCREASING SKY COVER AS THE DAY PROGRESSES. THE STRONG SOUTHWEST
WINDS SHOULD HELP WITH MIXING AS WELL BUT MUCH OF THE ENERGY WILL BE
GOING INTO MELTING THE SNOW. HAVE GENERALLY GONE UP TO THE FREEZING
MARK IN MOST LOCATIONS WITH SNOW COVER BUT LEVELED IT OFF THERE. IN
PORTIONS OF WEST CENTRAL IOWA WHERE THERE IS MINIMAL COVER...HAVE
UPPED READINGS INTO THE MID 30S. FARTHER NORTH AND
EAST...TEMPERATURES WILL REMAIN COOLER AS THE WARMER AIR WILL NOT
PENETRATE AS FAR INTO THOSE AREAS AND 20S WILL BE MORE LIKELY.

.LONG TERM /TONIGHT THROUGH TUESDAY/...
AFTER THIS PAST TUESDAY MORNINGS SNOWFALL WE SEEM TO HAVE ENTERED A
MORE WINTER LIKE PATTERN...WITH SEVERAL PERIODS OF POTENTIAL WEATHER
IMPACTS CONTAINED WITHIN THE SEVEN DAY FORECAST.

TONIGHT A WEAKENING SURFACE TROUGH WILL MOVE FROM NORTHWEST TO
SOUTHEAST ACROSS THE AREA...EVEN AS A LARGE SURFACE HIGH BUILDING IN
FROM THE DAKOTAS BRIDGES THE TROUGH. THIS WILL BRING WINDS QUICKLY
AROUND TO NORTHWEST AND MAKE FOR BREEZY CONDITIONS BEHIND THE TROUGH
AND INTO THURSDAY AS A RATHER TIGHT PRESSURE GRADIENT MOVES THROUGH
AROUND THE PERIPHERY OF THE HIGH. AT THE SAME TIME A WIDE BAND OF
CLOUDS WILL ACCOMPANY THE TROUGH PASSAGE AND THERE IS A QUICK SHOT
OF LOW LEVEL FRONTOGENETICAL FORCING THAT WILL MOVE THROUGH.
FORECAST SOUNDINGS INDICATE THAT MOISTURE WILL BE LACKING FOR MOST
OF THE NIGHT BUT THAT A SHALLOW SATURATED LAYER WILL SUPPORT
FLURRIES WITHIN THE WIDE CLOUD BAND...AND THERE MAY BE A FEW HOURS
WHERE THE MOISTURE DEPTH INCREASES SUFFICIENTLY TO SQUEEZE OUT SOME
VERY LIGHT SNOWFALL ACCUMULATIONS. HAVE THUS INTRODUCED SLIGHT POPS
ACROSS MUCH OF THE CWA BUT KEPT JUST FLURRY WORDING TO AVOID SLIGHT
CHANCE WORDING...AS SNOWFALL IS VERY LIKELY WHETHER IT BECOMES
MEASURABLE OR NOT.

HAVE GONE WITH NON DIURNAL TEMPS TONIGHT AND THURSDAY AS IT APPEARS
TEMPS WILL NOT FALL VERY QUICKLY AFTER SUNSET THIS EVENING WITH
CLOUDS MOVING IN...SOUTHWESTERLY FLOW AHEAD OF THE TROUGH...AND
BREEZY CONDITIONS BEHIND IT. THE REAL SURGE OF COLDER AIR WILL MOVE
INTO THE NORTH LATE TONIGHT AS THE COLDER AIR MASS WITHIN THE HIGH
PRESSURE CENTER SURGES IN AND THE SKIES BEGIN TO CLEAR OUT. COMBINED
WITH THE NORTHWEST BREEZES THIS WILL SEND WIND CHILLS PLUMMETING
LATE TONIGHT AND THROUGH THURSDAY MORNING...AND HAVE ISSUED A WIND
CHILL ADVISORY ACCORDINGLY. AFTER A MOSTLY SUNNY BUT COLD DAY ON
THURSDAY THE HIGH WILL MOVE OFF QUICKLY ON THURSDAY EVENING WITH
SURFACE WINDS COMING BACK AROUND TO SOUTHEASTERLY...PROMPTING
ANOTHER NON DIURNAL TEMPERATURE CURVE ON THURSDAY NIGHT WITH STEADY
OR INCREASING TEMPS AFTER MIDNIGHT.

PERHAPS THE BIGGEST WEATHER STORY OF THE FORECAST WILL COME INTO
PLAY BY LATE THURSDAY NIGHT IN THE FORM OF A BROAD AND FLAT BUT
RATHER POTENT 500 MB WAVE APPROACHING FROM THE ROCKIES. INITIALLY
THE ATMOSPHERE WILL BE FAIRLY DRY WITH AIR FLOWING OUT OF THE
DEPARTING HIGH TO THE EAST...HOWEVER STRONG FORCING AND ISENTROPIC
LIFT ASSOCIATED WITH THE APPROACH OF THE 500 MB WAVE...AS WELL AS
GOOD MOISTURE ADVECTION ABOVE THE SURFACE...WILL LEAD TO A FAIRLY
RAPID ONSET OF SNOW BY LATE THURSDAY NIGHT AND THROUGH THE DAY ON
FRIDAY. THERE IS STILL SOME MODEL VARIABILITY REGARDING THE LOCATION
OF THE ROUGHLY WEST NORTHWEST TO EAST SOUTHEAST SNOW SWATH THAT IS
LIKELY TO DEVELOP...HOWEVER THE CONSENSUS SEEMS TO BE THAT THIS
SWATH WILL EXTEND ACROSS NORTHERN AND INTO EASTERN IOWA. FORECAST
SOUNDINGS SUPPORT AN EXTENDED PERIOD OF ACCUMULATING SNOWFALL...WITH
SOME SOUNDINGS SHOWING VERY DEEP DENDRITIC GROWTH LAYERS AND DEEP
SATURATION. HAVE INCREASED POPS FURTHER FROM PREVIOUS FORECAST BUT
HELD OFF ON CATEGORICAL POPS FOR NOW DUE TO THE REMAINING
UNCERTAINTIES IN THE LOCATION OF THE SNOW SWATH. SNOWFALL AMOUNTS
ARE STILL DIFFICULT TO ESTIMATE AT THIS RELATIVELY LONG RANGE...BUT
IT IS CERTAINLY FEASIBLE THAT WE COULD SEE WARNING LEVEL AMOUNTS
WITHIN THE HEAVIEST BAND OF SNOW...MOST LIKELY ACROSS OUR NORTHERN
AND NORTHEASTERN AREAS. WE WILL CONTINUE TO CLOSELY MONITOR THIS
SYSTEM AS IT APPROACHES.

THE STORM SYSTEM RESPONSIBLE FOR FRIDAYS SNOW EVENT WILL QUICKLY
DEPART EASTWARD ON FRIDAY EVENING WITH COLD TEMPERATURES LIKELY ON
FRIDAY NIGHT. HOWEVER...WE SHOULD START TO SEE SOME REBOUND ON
THURSDAY AS RIDGING MOVES OVERHEAD AND THE SURFACE FLOW TURNS
QUICKLY BACK AROUND TO THE SOUTH...ALTHOUGH THIS WARM UP WILL BE
MITIGATED BY WHATEVER SNOW PACK REMAINS ON THE GROUND. A QUICKLY
MOVING 500 MB SHORTWAVE MAY KICK OFF SOME LIGHT RAIN OR SNOW ON
SATURDAY NIGHT INTO SUNDAY BUT LITTLE IMPACT IS EXPECTED. FROM
SUNDAY INTO NEXT WEEK THE FORECAST REMAINS VERY UNCERTAIN AS THERE
ARE SIGNIFICANT DISCREPANCIES BETWEEN THE VARIOUS LONG TERM MODELS.
IT APPEARS THAT ONE OR TWO LONGWAVE TROUGHS WILL MOVE INTO THE
WESTERN U.S. BUT AFTER THAT THERE IS DISAGREEMENT OVER WHETHER THE
TROUGHS WILL REMAIN PHASED OR DECOUPLE AS SO MANY HAVE DONE THIS
WINTER...AND HOW QUICKLY THEY WILL BE ABLE TO PROGRESS INTO THE
CENTRAL U.S. HAVE STUCK CLOSE TO THE ALLBLEND EXTENDED WITH 20 TO 30
POPS IN THE FORECAST FROM MONDAY THROUGH TUESDAY NIGHT AND WILL WAIT
FOR BETTER CONSENSUS BEFORE REFINING THE FORECAST FOR THESE PERIODS.

&&

.AVIATION...18/06Z
VFR CIGS TO CONTINUE THROUGH 18Z WITH HIGH TO MID LEVEL CLOUDS
APPROACHING AS UPSTREAM WAVE BEGINS TO MOVE EAST. WARM FRONT OVER
THE DAKOTAS WILL SPREAD ADDITIONAL CLOUDS SOUTHEAST WITH TIME. SFC
PRESSURE GRADIENT WILL RAPIDLY INCREASE AFT 12Z AND WINDS WILL
QUICKLY MIX OUT BY 15-16Z AND REMAIN QUITE STRONG MOST OF THE DAY.
AN APPROACHING COLD FRONT WILL BRING WINDS BACK TO WEST NORTHWEST
WITH GUSTS CONTINUING THROUGH THE END OF THE PERIOD. A PERIOD OF
MVFR CIGS WILL ALSO OCCUR MAINLY AT NORTH SITES OF KMCW...AND
KALO AS COLD AIR OVERTAKES THE REGION AFT 00Z.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FROM 3 AM TO NOON CST THURSDAY 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...COGIL
AVIATION...REV
LONG TERM...LEE

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
1118 PM CST TUE JAN 17 2012

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-181200-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
1118 PM CST TUE JAN 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MUCH OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO WILL BE POSSIBLE
THROUGHOUT NORTHERN IOWA BRIEFLY EARLY WEDNESDAY MORNING...
AND AGAIN ON THURSDAY MORNING.

SNOW IS LIKELY ACROSS MUCH OF IOWA LATE THURSDAY NIGHT THROUGH
FRIDAY EVENING. MODERATE ACCUMULATIONS ARE POSSIBLE WITH THIS
SYSTEM. EAST NORTHEAST WINDS OF 10 TO 15 MPH MAY CAUSE BLOWING AND
DRIFTING OF ANY SNOW THAT DOES ACCUMULATE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

SMALL