Alert archive / Wisconsin / Heat Advisories in 2012

Heat Advisory 4, NWS La Crosse, WI

July 15, 20128 counties in Iowa; 13 counties in Wisconsin; 7 counties in Minnesota

NWS La Crosse, WI issued this heat advisory at Jul 15, 2012, 3:36 AM CDT for 8 counties in Iowa; 13 counties in Wisconsin; 7 counties in Minnesota. It took effect at Jul 16, 2012, 12:00 PM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Jul 15, 2012, 3:36 AM CDT (08:36 UTC)
In effect from
Jul 16, 2012, 12:00 PM CDT
Expired
Jul 17, 2012, 9:00 PM CDT
In force
33 hr
Issued by
NWS La Crosse, WI
All 28 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 08:41 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

Minneapolis, MN (KMPX), launched 00:00Z, 8.6 hours before the alert went out and 210 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, Minneapolis, MN at 00:00Z on 2012-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 85 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 00:00Z on 2012-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
85 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
2046 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

411 
WWUS73 KARX 150836
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
336 AM CDT SUN JUL 15 2012

...DANGEROUS HEAT AND HUMIDITY MONDAY AFTERNOON...

.A VERY WARM TO HOT AIRMASS WILL SPREAD ACROSS THE AREA FOR
MONDAY. TEMPERATURES MONDAY AFTERNOON ARE EXPECTED TO CLIMB INTO
THE MID 90S TO AROUND 100. THESE TEMPERATURES COMBINED WITH
THE HUMIDITY WILL PRODUCE HEAT INDICES IN THE 95 TO 105 RANGE
DURING THE AFTERNOON AND EARLY EVENING HOURS. THESE HEAT INDICES
COULD LEAD TO FATIGUE OR OTHER HEAT RELATED ILLNESSES IF
PRECAUTIONS ARE NOT TAKEN.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-151645-
/O.NEW.KARX.HT.Y.0004.120716T1700Z-120717T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
336 AM CDT SUN JUL 15 2012

...HEAT ADVISORY IN EFFECT FROM NOON TO 9 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 9 PM CDT MONDAY. 

* TEMPERATURES MONDAY AFTERNOON AND EARLY MONDAY EVENING WILL BE
  IN THE 90S TO NEAR 100. COMBINED WITH THE HUMIDITY...HEAT
  INDICES ARE EXPECTED TO BE IN THE 95 TO 105 RANGE. 

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO FATIGUE OR OTHER
  HEAT RELATED ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER. CHECK IN ON FRIENDS AND
FAMILY THAT ARE ALONE OR DO NOT HAVE AIR CONDITIONING. CHECK THAT
OUTDOOR PETS HAVE WATER AND SHADE.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY...DIAL 9 1 1.

&&

$$

RRS

WEATHER.GOV/LACROSSE
10 follow-up statements
136 
WWUS73 KARX 151405
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
905 AM CDT SUN JUL 15 2012

...DANGEROUS HEAT AND HUMIDITY MONDAY AFTERNOON...

.A VERY WARM TO HOT AIRMASS WILL SPREAD ACROSS THE AREA FOR
MONDAY. TEMPERATURES MONDAY AFTERNOON ARE EXPECTED TO CLIMB INTO
THE MID 90S TO AROUND 100. THESE TEMPERATURES COMBINED WITH THE
HUMIDITY WILL PRODUCE HEAT INDICES IN THE 95 TO 105 RANGE DURING
THE AFTERNOON AND EARLY EVENING HOURS. THESE HEAT INDICES COULD
LEAD TO FATIGUE OR OTHER HEAT RELATED ILLNESSES IF PRECAUTIONS
ARE NOT TAKEN.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-152215-
/O.CON.KARX.HT.Y.0004.120716T1700Z-120717T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
905 AM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 9 PM CDT MONDAY...

* TEMPERATURES MONDAY AFTERNOON AND EARLY MONDAY EVENING WILL BE 
  IN THE 90S TO NEAR 100. COMBINED WITH THE HUMIDITY...HEAT 
  INDICES ARE EXPECTED TO BE IN THE 95 TO 105 RANGE. 

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO FATIGUE OR OTHER 
  HEAT RELATED ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER. CHECK IN ON FRIENDS AND
FAMILY THAT ARE ALONE OR DO NOT HAVE AIR CONDITIONING. CHECK THAT
OUTDOOR PETS HAVE WATER AND SHADE.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY...DIAL 9 1 1.

&&

$$

MW

WEATHER.GOV/LACROSSE
205 
WWUS73 KARX 152015
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
315 PM CDT SUN JUL 15 2012

...DANGEROUS HEAT RETURNS...

.DANGEROUS HEAT WILL INVADE THE REGION ONCE AGAIN. ON MONDAY...
HIGH TEMPERATURES WILL RISE TO BETWEEN 95 AND 100 DEGREES. THESE
TEMPERATURES COMBINED WITH THE HUMIDITY WILL PRODUCE DANGEROUS
HEAT INDEX READINGS IN THE 95 TO 105 RANGE DURING THE AFTERNOON
AND EARLY EVENING HOURS. A HEAT INDEX THIS HIGH COULD LEAD TO
HEAT RELATED ILLNESSES IF PRECAUTIONS ARE NOT TAKEN.

A WEAK COLD FRONT WILL DROP SOUTHWARD ACROSS THE REGION ON
TUESDAY...WITH SLIGHTLY COOLER TEMPERATURES BEHIND IT. DEPENDING
ON HOW QUICKLY THIS FRONT PROGRESSES...THE HEAT ADVISORY MAY NEED
TO BE EXTENDED FOR PARTS OF THE AREA ON TUESDAY...ALONG AND 
SOUTH OF INTERSTATE 90. 


IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-160930-
/O.CON.KARX.HT.Y.0004.120716T1700Z-120717T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
315 PM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 9 PM CDT MONDAY...

* TEMPERATURES MONDAY AFTERNOON AND EARLY MONDAY EVENING WILL BE
  IN THE 90S TO NEAR 100. COMBINED WITH THE HUMIDITY...HEAT INDEX
  READINGS ARE EXPECTED TO BE IN THE 95 TO 105 RANGE.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION. 

&&

$$

MW

WEATHER.GOV/LACROSSE
924 
WWUS73 KARX 160821
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
321 AM CDT MON JUL 16 2012

...DANGEROUSLY HOT TODAY...

.DANGEROUS HEAT RETURNS TODAY AS HIGH TEMPERATURES RANGE FROM 95
AND 100 DEGREES... WITH AFTERNOON AND EVENING HEAT INDICES FROM
95 TO 105. HEAT INDICES THIS HIGH COULD LEAD TO HEAT RELATED
ILLNESSES IF PRECAUTIONS ARE NOT TAKEN.

HEAT ADVISORIES REMAIN IN EFFECT FOR PARTS OF NORTHEAST IOWA AND
SOUTHWEST WISCONSIN ON TUESDAY. TO THE NORTH...A SOUTHWARD MOVING
COLD FRONT WILL USHER IN MORE SEASONABLE AIR.

IAZ008>011-018-019-029-030-WIZ054-055-061-161630-
/O.EXT.KARX.HT.Y.0004.120716T1700Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
321 AM CDT MON JUL 16 2012

...HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 9 PM CDT
TUESDAY...

* TEMPERATURES WILL TOP OUT IN THE MID 90S TO AROUND 100 TODAY AND
  TUESDAY. AFTERNOON AND EVENING HEAT INDICES WILL RANGE FROM 95
  TO 105.
  
* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

MNZ079-086>088-094>096-WIZ017-029-032>034-041>044-053-161630-
/O.CON.KARX.HT.Y.0004.120716T1700Z-120717T0200Z/
WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-TAYLOR-CLARK-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...AUSTIN...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA
321 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM CDT
THIS EVENING...

* TEMPERATURES WILL TOP OUT IN THE MID 90S TO AROUND 100 TODAY.
  AFTERNOON AND EVENING HEAT INDICES WILL RANGE FROM 95 TO 105.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

RIECK

WEATHER.GOV/LACROSSE
782 
WWUS73 KARX 161506
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1006 AM CDT MON JUL 16 2012

...DANGEROUSLY HOT TODAY...

.DANGEROUS HEAT WILL OCCUR ACROSS THE AREA TODAY AS TEMPERATURES
SOAR INTO THE 95 TO 100 DEGREE RANGE. PLAN ON AFTERNOON AND
EVENING HEAT INDICES OF 95 TO 105. HEAT INDICES THIS HIGH COULD
LEAD TO HEAT RELATED ILLNESSES IF PRECAUTIONS ARE NOT TAKEN.

HEAT ADVISORIES REMAIN IN EFFECT FOR PARTS OF NORTHEAST IOWA AND
SOUTHWEST WISCONSIN ON TUESDAY. TO THE NORTH...A SOUTHWARD MOVING
COLD FRONT WILL USHER IN MORE SEASONABLE AIR.

IAZ008>011-018-019-029-030-WIZ054-055-061-162315-
/O.CON.KARX.HT.Y.0004.120716T1700Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
1006 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY...

* TEMPERATURES WILL TOP OUT IN THE MID 90S TO AROUND 100 TODAY 
  AND TUESDAY. AFTERNOON AND EVENING HEAT INDICES WILL RANGE 
  FROM 95 TO 105. 

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

MNZ079-086>088-094>096-WIZ017-029-032>034-041>044-053-162315-
/O.CON.KARX.HT.Y.0004.120716T1700Z-120717T0200Z/
WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-TAYLOR-CLARK-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...AUSTIN...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA
1006 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* TEMPERATURES WILL TOP OUT IN THE MID 90S TO AROUND 100 TODAY. 
  AFTERNOON AND EVENING HEAT INDICES WILL RANGE FROM 95 TO 105. 

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

WETENKAMP

WEATHER.GOV/LACROSSE
364 
WWUS73 KARX 162053
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
353 PM CDT MON JUL 16 2012

...DANGEROUS HEAT TO PERSIST THROUGH TUESDAY EVENING...

.PLAN ON HEAT INDICES RANGING FROM 95 TO 105 THIS EVENING.
ANOTHER DAY OF DANGEROUS HEAT IS EXPECTED ACROSS PORTIONS OF
SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND SOUTHWEST INTO CENTRAL
WISCONSIN. LOOK FOR HEAT INDICES TO CLIMB INTO THE 95 TO 105
DEGREE RANGE ONCE AGAIN ACROSS THESE AREAS. PROTECT YOURSELF FROM
THE HEAT. CHECK IN ON THE ELDERLY...YOUR NEIGHBORS...AND KEEP
CHILDREN OUT OF THE HEAT.

FURTHER TO THE NORTH...A SLOW MOVING COLD FRONT WILL USHER IN
MORE SEASONABLE AIR.

MNZ094>096-WIZ041>044-053-170500-
/O.EXT.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MOWER-FILLMORE-HOUSTON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
INCLUDING THE CITIES OF...AUSTIN...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA
353 PM CDT MON JUL 16 2012

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM CDT TUESDAY...

* PLAN ON HEAT INDICES IN THE 95 TO 105 DEGREE RANGE THIS EVENING.
  LOOK FOR ANOTHER DAY OF DANGEROUS HEAT ON TUESDAY WITH AFTERNOON
  AND EVENING HEAT INDICES OF 95 TO 105.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

MNZ079-086>088-WIZ017-029-032>034-170200-
/O.CON.KARX.HT.Y.0004.000000T0000Z-120717T0200Z/
WABASHA-DODGE-OLMSTED-WINONA-TAYLOR-CLARK-BUFFALO-TREMPEALEAU-
JACKSON-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS
353 PM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* PLAN ON HEAT INDICES IN THE 95 TO 105 DEGREE RANGE THIS EVENING.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

IAZ008>011-018-019-029-030-WIZ054-055-061-170500-
/O.CON.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
353 PM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY...

* PLAN ON HEAT INDICES IN THE 95 TO 105 DEGREE RANGE THIS EVENING.
  LOOK FOR ANOTHER DAY OF DANGEROUS HEAT ON TUESDAY WITH AFTERNOON
  AND EVENING HEAT INDICES OF 95 TO 105.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

WETENKAMP

WEATHER.GOV/LACROSSE
118 
WWUS73 KARX 170201
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
901 PM CDT MON JUL 16 2012

...DANGEROUS HEAT THROUGH TUESDAY EVENING...

.HEAT INDICES WILL CLIMB INTO THE 95 TO 105 DEGREE RANGE AGAIN
TOMORROW ACROSS PORTIONS OF SOUTHEAST MINNESOTA...NORTHEAST
IOWA...AND SOUTHWEST INTO CENTRAL WISCONSIN. WITH TEMPERATURES
TONIGHT ONLY DROPPING INTO THE MID TO UPPER 70S AND HUMIDITY ON
THE INCREASE...THERE WILL NOT BE MUCH RELIEF FROM THE HEAT
OVERNIGHT. PREPARE NOW TO PROTECT YOURSELF FROM THE HEAT TONIGHT
INTO TOMORROW. CHECK IN ON THE ELDERLY...YOUR NEIGHBORS...AND KEEP
CHILDREN OUT OF THE HEAT.

FURTHER TO THE NORTH...A SLOW MOVING COLD FRONT WILL USHER IN
MORE SEASONABLE AIR TUESDAY MORNING.

MNZ079-086>088-WIZ017-029-032>034-170315-
/O.EXP.KARX.HT.Y.0004.000000T0000Z-120717T0200Z/
WABASHA-DODGE-OLMSTED-WINONA-TAYLOR-CLARK-BUFFALO-TREMPEALEAU-
JACKSON-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS
901 PM CDT MON JUL 16 2012

...HEAT ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...

WHILE TEMPERATURES AND HUMIDITY LEVELS WILL REMAIN UP
TONIGHT...MORE SEASONAL CONDITIONS WILL MOVE IN EARLY TOMORROW
MORNING BEFORE THE HIGHER HEAT CAN TAKE HOLD.

$$

IAZ008>011-018-019-029-030-MNZ094>096-WIZ041>044-053>055-061-
171015-
/O.CON.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-HOUSTON-LA CROSSE-MONROE-JUNEAU-ADAMS-
VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...AUSTIN...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
901 PM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY...

* ANOTHER DAY OF DANGEROUS HEAT IS ON TAP FOR TUESDAY WITH
  AFTERNOON AND EVENING HEAT INDICES OF 95 TO 105.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

HALBACH

WEATHER.GOV/LACROSSE
067 
WWUS73 KARX 170812
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
312 AM CDT TUE JUL 17 2012

...DANGEROUS HEAT CONTINUES TODAY...

.HIGH TEMPERATURES WILL TOP OUT IN THE UPPER 90S TO NEAR 100
DEGREES TODAY...RESULTING IN AFTERNOON AND EARLY EVENING HEAT
INDICES FROM 100 TO 105. PROTECT YOURSELF FROM THE HEAT. CHECK IN
ON THE ELDERLY...YOUR NEIGHBORS...AND KEEP CHILDREN OUT OF THE
HEAT.

A COLD FRONT WILL GRADUALLY SINK SOUTH ACROSS THE REGION LATER TODAY
AND TONIGHT...BRINGING SOME RELIEF FROM THE HEAT IN THE FORM OF
MORE SEASONABLE AIR AND SCATTERED THUNDERSTORMS.

IAZ008>011-018-019-029-030-MNZ094>096-WIZ041>044-053>055-061-
171615-
/O.CON.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-HOUSTON-LA CROSSE-MONROE-JUNEAU-ADAMS-
VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...AUSTIN...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
312 AM CDT TUE JUL 17 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* ONE MORE DAY OF DANGEROUS HEAT WITH HIGHS IN THE UPPER 90S TO
  NEAR 100 AND AFTERNOON AND EVENING HEAT INDICES OF 100 TO 105.

* THIS TYPE OF HEAT AND HUMIDITY COULD LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

RIECK

WEATHER.GOV/LACROSSE
864 
WWUS73 KARX 171449
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
949 AM CDT TUE JUL 17 2012

...HEAT CONTINUES THROUGH THIS EVENING...

.LOOK FOR TEMPERATURES TO TOP OFF IN THE UPPER 90S TO NEAR 100
DEGREES TODAY...RESULTING IN AFTERNOON AND EARLY EVENING HEAT
INDICES IN THE 100 TO 105 DEGREE RANGE. BE SURE TO PROTECT
YOURSELF FROM THE HEAT. CHECK IN ON THE ELDERLY...YOUR
NEIGHBORS...AND KEEP CHILDREN OUT OF THE HEAT.

A COLD FRONT WILL EVENTUALLY BRING SOME RELIEF FROM THE HEAT THIS 
EVENING...WITH MORE SEASONABLE AIR AND SCATTERED THUNDERSTORMS.

IAZ008>011-018-019-029-030-MNZ094>096-WIZ041>044-053>055-061-
172300-
/O.CON.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-HOUSTON-LA CROSSE-MONROE-JUNEAU-ADAMS-
VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...AUSTIN...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
949 AM CDT TUE JUL 17 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* LOOK FOR HIGHS TODAY IN THE UPPER 90S TO NEAR 100 DEGREES WITH
  AFTERNOON AND EVENING HEAT INDICES IN THE 100 TO 105 DEGREE RANGE.

* THIS TYPE OF HEAT AND HUMIDITY MAY LEAD TO HEAT RELATED 
  ILLNESSES IF PRECAUTIONS ARE NOT TAKEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

DAS

WEATHER.GOV/LACROSSE
342 
WWUS73 KARX 172013
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
313 PM CDT TUE JUL 17 2012

...HEAT ADVISORY CONTINUES INTO THIS EVENING...

.HEAT INDICES WILL REMAIN IN THE 100 TO 105 DEGREE RANGE THIS EVENING.
PROTECT YOURSELF FROM THE HEAT. ALSO...CHECK IN ON THE ELDERLY...YOUR
NEIGHBORS...AND KEEP CHILDREN OUT OF THE HEAT.

A COLD FRONT IS EXPECTED TO BRING SOME RELIEF FROM THE HEAT THIS
EVENING...WITH MORE SEASONABLE AIR ALONG WITH SCATTERED THUNDERSTORMS.

IAZ008>011-018-019-029-030-MNZ094>096-WIZ041>044-053>055-061-
180200-
/O.CON.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-HOUSTON-LA CROSSE-MONROE-JUNEAU-ADAMS-
VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...AUSTIN...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
313 PM CDT TUE JUL 17 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* HEAT INDICES WILL REMAIN IN THE 100 TO 105 DEGREE RANGE THIS EVENING.

* THIS TYPE OF HEAT MAY LEAD TO HEAT RELATED ILLNESSES IF
  PRECAUTIONS ARE NOT TAKEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. KNOW
THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK
PLENTY OF WATER. CHECK IN ON FRIENDS AND FAMILY THAT ARE ALONE OR
DO NOT HAVE AIR CONDITIONING. CHECK THAT OUTDOOR PETS HAVE WATER
AND SHADE. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION.

&&

$$

DAS

WEATHER.GOV/LACROSSE
868 
WWUS73 KARX 180155
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
855 PM CDT TUE JUL 17 2012

...HEAT ADVISORY ALLOWED TO EXPIRE...

.A FRONTAL BOUNDARY IS MOVING SOUTH ACROSS THE AREA...AND WILL
BRING COOLER TEMPERATURES OVERNIGHT. THEREFORE THE HEAT ADVISORY
WILL BE ALLOWED TO EXPIRE. 

IAZ008>011-018-019-029-030-MNZ094>096-WIZ041>044-053>055-061-
180300-
/O.EXP.KARX.HT.Y.0004.000000T0000Z-120718T0200Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-HOUSTON-LA CROSSE-MONROE-JUNEAU-ADAMS-
VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
NEW HAMPTON...OELWEIN...AUSTIN...LA CROSSE...SPARTA...TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
855 PM CDT TUE JUL 17 2012

...HEAT ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...

A FRONTAL BOUNDARY IS MOVING SOUTH ACROSS THE AREA...AND WILL
BRING COOLER TEMPERATURES OVERNIGHT. THEREFORE THE HEAT ADVISORY
WILL BE ALLOWED TO EXPIRE.

$$

MW

WEATHER.GOV/LACROSSE

What forecasters said that day

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

NWS La Crosse, WI wrote its last area forecast discussion before this heat advisory went out at Jul 15, 3:22 AM CDT, 14 minutes earlier.

Area forecast discussion, Jul 15, 3:22 AM CDT, 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
322 AM CDT SUN JUL 15 2012

.SHORT TERM...TODAY THROUGH TUESDAY
322 AM CDT SUN JUL 15 2012

MAIN FORECAST CONCERNS IS THE HOT AIRMASS FILTERING INTO THE AREA
TODAY INTO MONDAY...AND POSSIBLY TUESDAY.

LATEST WATER VAPOR SATELLITE IMAGERY SHOWING UPPER LEVEL RIDGE
BUILDING OVER THE NORTHERN PLAIN STATES AND WEAK SHORTWAVE TROUGH
MOVING INTO WESTERN MICHIGAN. LATEST FOG SATELLITE IMAGERY
INDICATING MOSTLY CLEAR SKIES OVER FORECAST AREA. THIS IS IN
RESPONSE TO SUBSIDENCE AND WEAK SHORTWAVE RIDGING BEHIND SHORTWAVE
TROUGH.

THE LATEST 15.00Z GFS AND NAM ARE IN DECENT AGREEMENT IN BUILDING
UPPER LEVEL RIDGE INTO THE NORTHERN PLAINS THROUGH 06Z MONDAY.
THEN...THE DETERMINISTIC GFS AND NAM BEGIN TO DIVERGE ON
WHERE SURFACE BOUNDARY LAYS OUT AND HOW MUCH UPPER LEVEL RIDGE
FLATTENS OUT OVER THE UPPER MIDWEST THROUGH 00Z WEDNESDAY. THE
15.00Z NAM CONTINUES TO SHOW A FARTHER NORTH SOLUTION WITH BOUNDARY
AND STRONGER RIDGING ALOFT...HOWEVER THE DPROG/DT INDICATES
THE SURFACE BOUNDARY A SLIGHT PUSH TO THE SOUTH THE LAST COUPLE OF
RUNS. THE 15.00Z GFS SHOWS A FARTHER SOUTH SOLUTION THAN THE 15.00Z
NAM AND 15.00Z ECMWF. CONFIDENCE IS LOW ON POSITION OF SURFACE
BOUNDARY AFTER 00Z TUESDAY...HOWEVER THERE IS AGREEMENT BETWEEN THE
DETERMINISTIC MODELS THAT WARMER AIR WILL ADVECT INTO THE UPPER
MIDWEST THIS AFTERNOON INTO TUESDAY AHEAD OF SURFACE BOUNDARY.

TODAY INTO MONDAY...WARMER AIR BEGINS TO ADVECT INTO THE UPPER
MIDWEST THIS AFTERNOON AND INTO MONDAY AHEAD OF SURFACE BOUNDARY. THE
15.00Z NAM IS SLIGHTLY WARMER ALOFT WITH PLUS 25 DEGREES CELSIUS AT
850MB BY 00Z TUESDAY...THAN THE 15.00Z GFS WITH PLUS 23 DEGREES
CELSIUS. THE 15.00Z NAM STANDARD ANOMALIES CONTINUE TO INDICATE NEAR
PLUS 2 TO 2.5 OVER THE NORTHERN HALF OF THE FORECAST AREA AT 850MB
MONDAY AND GFS IS SHOWING 1 TO 1.5 FOR THE SAME AREA. THE
COMBINATION OF DEWPOINTS IN THE MID 60S AND TEMPERATURES
CLIMBING INTO THE MIDDLE 90S TO AROUND 100 DEGREES MONDAY WILL
PRODUCE HEAT INDICES OF 100 TO 105. THEREFORE...HEAT ADVISORY WILL BE
IN EFFECT FROM NOON TO 9 PM MONDAY ACROSS MUCH OF THE AREA. HIGH
TEMPERATURES WILL APPROACH 100 DEGREES AT LA CROSSE AND WILL BE NEAR
THE RECORD HIGH TEMPERATURE OF 101 SET IN 1931 FOR MONDAY JULY 16TH.

NEXT CONCERN IS UNCERTAINTY OF SURFACE BOUNDARY/FRONT SLOWLY MOVING
SOUTHEAST INTO THE AREA TUESDAY...AS HOT AIRMASS REMAINS OUT
AHEAD OF THE FRONT. THERE IS THE POTENTIAL THAT AREAS SOUTH OF THE
FRONT/BOUNDARY TUESDAY MAY NEED A HEAT ADVISORY. AT THIS TIME
CONFIDENCE IS LOW IN EXACTLY PLACEMENT OF HEAT ADVISORY...AS POSITION
OF SURFACE FRONT/BOUNDARY IS IN QUESTION.

.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY
322 AM CDT SUN JUL 15 2012

MAIN FORECAST CONCERN ARE PRECIPITATION CHANCES MAINLY TUESDAY NIGHT
INTO WEDNESDAY. THE 15.00Z GFS AND ECMWF ARE IN DECENT AGREEMENT IN
PUSHING SURFACE FRONT/BOUNDARY ACROSS FORECAST AREA OVER SOUTHERN
HALF OF FORECAST AREA TUESDAY NIGHT AND WEDNESDAY. BOTH MODELS
SHOW WEAK MOISTURE TRANSPORT AND CONVERGENCE AT 850MB INTO THE
SOUTHERN PORTIONS OF THE FORECAST AREA. WILL CONTINUE WITH
PRECIPITATION CHANCES ACROSS THE AREA TUESDAY NIGHT INTO WEDNESDAY.
AFTER 00Z THURSDAY...BOTH THE 15.00Z GFS AND ECMWF ARE IN
DISAGREEMENT ON STRENGTH OF UPPER LEVEL RIDGE...AS THE ECMWF
AMPLIFIES RIDGE OVER THE NORTHERN PLAINS AND KEEPS MAIN LIFT AND
MOISTURE CONVERGENCE WELL TO NORTH OF FORECAST AREA. THE 15.00Z GFS
FLATTENS RIDGE AND MOVES SHORTWAVE TROUGH INTO NORTHERN MINNESOTA
SATURDAY. CONFIDENCE IS LOW AFTER 00Z THURSDAY ON BASIS OF STRENGTH
OF UPPER LEVEL RIDGE AND TIMING OF WEAK SHORTWAVE TROUGHS ON THE
NORTHERN PERIPHERY OF UPPER LEVEL RIDGE. WILL CONTINUE WITH PREVIOUS
DRY FORECAST ACROSS THE FORECAST AREA.

&&

.AVIATION...THROUGH 06Z MONDAY
1116 PM CDT SAT JUL 14 2012

THE MAIN CONCERN AT THE TAF SITES IS WITH THE POTENTIAL FOR A
SHALLOW GROUND/VALLEY FOG TO FORM OVERNIGHT. SKIES HAVE CLEARED
WITH WINDS GOING LIGHT TO CALM AS THE CORE OF THE RIDGE OF HIGH
PRESSURE MOVES OVERHEAD. 3Z SURFACE DEW POINT DEPRESSIONS WERE BOTH
AT 3C AT RST/LSE...WHICH WOULD BE FAVORABLE FOR THE FOG
DEVELOPMENT. THEREFORE...HAVE KEPT THE FOG MENTION GOING OVERNIGHT
BEFORE LIFTING AROUND DAYBREAK WITH CONDITIONS DROPPING DOWN TO
MVFR/IFR OR POSSIBLY LOWER. SKIES WILL BE MAINLY CLEAR THROUGH
SUNDAY AS WINDS SHIFT AROUND TO THE SOUTH AS THE RIDGE AXIS SHIFTS
TO THE EAST.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
322 AM CDT SUN JUL 15 2012

WI...HEAT ADVISORY FROM NOON TO 9 PM CDT MONDAY FOR WIZ017-029-
     032>034-041>044-053>055-061.

MN...HEAT ADVISORY FROM NOON TO 9 PM CDT MONDAY FOR MNZ079-086>088-
     094>096.

IA...HEAT ADVISORY FROM NOON TO 9 PM CDT MONDAY FOR IAZ008>011-018-
     019-029-030.

&&

SHORT TERM...DTJ
LONG TERM....DTJ
AVIATION.....HALBACH
Hazardous weather outlook, Jul 14, 8:47 PM CDT, 6 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
847 PM CDT SAT JUL 14 2012

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-151200-
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-DODGE-
FAYETTE-FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE-
MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-VERNON-
WABASHA-WINNESHIEK-WINONA-
847 PM CDT SAT JUL 14 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AND WESTERN INTO CENTRAL WISCONSIN.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

POTENTIALLY DANGEROUS HEAT WILL SPREAD ACROSS THE AREA MONDAY AND
TUESDAY. HIGHS BOTH DAYS WILL BE IN THE 90S...WITH HEAT INDICES
BETWEEN 95 AND 102 ON MONDAY AND 90 TO 100 ON TUESDAY.

THUNDERSTORM CHANCES RETURN FOR TUESDAY THROUGH WEDNESDAY. IT IS TOO
EARLY TO DISCERN THE SEVERE WEATHER THREAT WITH ANY OF THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

WIDESPREAD SPOTTER ACTIVATION IT NOT ANTICIPATED.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

RRS/RIECK/HALBACH

Nearby

Heat Advisories in Wisconsin, 2012Heat Advisories in Iowa, 2012Heat Advisories in Minnesota, 2012Every heat 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.