Alert archive / Iowa / Excessive Heat Warnings in 2012

Excessive Heat Warning 1, NWS Des Moines, IA

July 4, 201251 counties in Iowa

NWS Des Moines, IA issued this excessive heat warning at Jul 4, 2012, 4:08 PM CDT for 51 counties in Iowa. It was in force for 3 days. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 4, 2012, 4:08 PM CDT (21:08 UTC)
Expired
Jul 7, 2012, 7:00 PM CDT
In force
3 days
Issued by
NWS Des Moines, IA
All 51 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 23 km from the middle of the area, began a volume at 21:12 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.

What was reported inside it

TimeReportWhereRemark
Jul 5, 6:50 AM CDTTSTM WND DMG3 N Slater, IASEVERAL TREES IN A SMALL GROVE SNAPPED AND A NUMBER OF LARGE BRANCHES DOWN. FIELD OF FLATTENED CORN ABOUT A MILE WIDE. DAMAGED CAUSED BY A MICROBURST. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.1 hours before the alert went out and 230 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2012-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 483 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, Omaha, NE at 12:00Z on 2012-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 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
483 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
2028 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

265 
WWUS73 KDMX 042108
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
408 PM CDT WED JUL 4 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH FRIDAY NIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA THIS
WEEK. TEMPERATURES ARE EXPECTED TO REMAIN WARM THROUGH THE
NIGHTTIME HOURS AS WELL...RESULTING IN LITTLE RELIEF FROM THE
HEAT.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-050515-
/O.UPG.KDMX.HT.Y.0002.000000T0000Z-120707T1200Z/
/O.NEW.KDMX.EH.W.0001.120704T2108Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
408 PM CDT WED JUL 4 2012

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 AM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED AN
EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT UNTIL 7 AM CDT
SATURDAY. THE HEAT ADVISORY IS NO LONGER IN EFFECT. 

* TEMPERATURE...HEAT INDICES OF 100 TO 110 DEGREES ARE EXPECTED
  THURSDAY AND FRIDAY AFTERNOON...AS HIGH TEMPERATURES CLIMB INTO
  THE UPPER 90S TO AROUND 100 DEGREES. HEAT INDICES WILL REMAIN IN
  THE 90S TO LOW 100S DURING THE EVENINGS RESULTING IN LITTLE
  RELIEF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$
15 follow-up statements
313 
WWUS73 KDMX 050157
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
857 PM CDT WED JUL 4 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH FRIDAY NIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA
THROUGHOUT THE REMAINDER OF THE WORKWEEK. TEMPERATURES ARE EXPECTED TO
REMAIN WARM THROUGH THE OVERNIGHT HOURS AS WELL...RESULTING IN LITTLE
RELIEF FROM THE HEAT.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-051000-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
857 PM CDT WED JUL 4 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...HEAT INDICES OF 100 TO 110 DEGREES ARE EXPECTED
  THURSDAY AND FRIDAY AFTERNOON...AS HIGH TEMPERATURES CLIMB INTO
  THE UPPER 90S TO AROUND 100 DEGREES. HEAT INDICES WILL REMAIN IN
  THE 90S DURING THE EVENINGS RESULTING IN LITTLE RELIEF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

KD
352 
WWUS73 KDMX 050836
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
336 AM CDT THU JUL 5 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH FRIDAY NIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA FOR
THE NEXT TWO DAYS. CONDITIONS ARE EXPECTED TO REMAIN VERY WARM
THROUGH THE OVERNIGHT HOURS AS WELL...RESULTING IN LITTLE RELIEF
FROM THE HEAT. SOME CLOUD COVER AND THUNDERSTORMS THIS MORNING
AND AFTERNOON MAY HELP DIMINISH THE HEAT ACROSS PORTIONS OF CENTRAL
AND NORTHERN IOWA TODAY.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-051645-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
336 AM CDT THU JUL 5 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...HEAT INDICES OF 100 TO 110 DEGREES ARE EXPECTED
  TODAY AND FRIDAY AFTERNOON...AS HIGH TEMPERATURES CLIMB INTO THE
  MID 90S TO AROUND 100 DEGREES. HEAT INDICES WILL REMAIN IN THE
  90S DURING THE EVENINGS RESULTING IN LITTLE RELIEF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY
HOT TEMPERATURES IS OCCURRING. THE COMBINATION OF HOT TEMPERATURES AND 
HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH
HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-
CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES
AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

REV
688 
WWUS73 KDMX 051530
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1030 AM CDT THU JUL 5 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH FRIDAY NIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA FOR
THE NEXT TWO DAYS. CONDITIONS ARE EXPECTED TO REMAIN VERY WARM
THROUGH THE OVERNIGHT HOURS AS WELL...RESULTING IN LITTLE RELIEF
FROM THE HEAT.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-052330-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1030 AM CDT THU JUL 5 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...CLOUD COVER AND ISOLATED THUNDERSTORMS HAVE
  PROVIDED SLIGHT RELIEF ACROSS PARTS OF NORTHERN AND CENTRAL IOWA
  THIS MORNING...BUT TEMPERATURES ARE REBOUNDING QUICKLY. HEAT
  INDICES OF 100 TO 110 DEGREES ARE EXPECTED LATER TODAY AND AGAIN
  FRIDAY AFTERNOON...AS HIGH TEMPERATURES CLIMB INTO THE MID 90S
  TO AROUND 100 DEGREES. HEAT INDICES WILL REMAIN IN THE 90S
  DURING THE EVENINGS RESULTING IN LITTLE RELIEF EVEN AFTER
  SUNSET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR- CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

LEE
757 
WWUS73 KDMX 052040
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
340 PM CDT THU JUL 5 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH FRIDAY NIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA INTO
EARLY SATURDAY. CONDITIONS ARE EXPECTED TO REMAIN VERY WARM
THROUGH THE OVERNIGHT HOURS...RESULTING IN LITTLE RELIEF FROM THE
HEAT.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-060445-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
340 PM CDT THU JUL 5 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...CLOUDS GENERATED BY MORNING THUNDERSTORMS HAVE
  GRANTED SOME SLIGHT RELIEF ACROSS NORTHERN IOWA THIS
  AFTERNOON...HOWEVER THE REMAINDER OF THE AREA HAS SEEN HEAT
  INDICES RISE ABOVE 100 DEGREES AND EVEN IN THE NORTH
  TEMPERATURES HAVE BEGUN TO RISE STEADILY AGAIN. EXPECT THE HEAT
  INDEX TO REMAIN AROUND 80 LATE TONIGHT...THEN RISE INTO THE 105
  TO 110 DEGREE RANGE ON FRIDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR- CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

LEE
689 
WWUS73 KDMX 060144
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
844 PM CDT THU JUL 5 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH FRIDAY NIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA THROUGH
EARLY SATURDAY. CONDITIONS ARE EXPECTED TO REMAIN VERY WARM
THROUGH THE OVERNIGHT HOURS...RESULTING IN LITTLE RELIEF FROM THE
HEAT. FRIDAY IS EXPECTED TO BE THE HOTTEST DAY YET.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-060945-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
844 PM CDT THU JUL 5 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...TEMPERATURES TONIGHT WILL BE NO LOWER THAN THE
  MIDDLE OR UPPER 70S...WITH HEAT INDEX VALUES IN THE SAME RANGE.
  FRIDAY IS EXPECTED TO BE THE HOTTEST DAY YET. HEAT INDEX VALUES
  WILL REACH THE 105 TO 110 DEGREE RANGE ON FRIDAY
  AFTERNOON...WITH A FEW LOCATIONS POSSIBLY SEEING HEAT INDEX
  VALUES OF 110 TO 115 DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR- CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

ZOGG
230 
WWUS73 KDMX 060831
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
331 AM CDT FRI JUL 6 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH TONIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA
THROUGH EARLY SATURDAY. TODAY IS EXPECTED TO BE THE HOTTEST DAY
YET WITH AFTERNOON HIGHS A DEGREE OR TWO WARMER THAN THURSDAY. 


IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-061645-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
331 AM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...AFTERNOON HIGHS TODAY WILL ONCE AGAIN REACH THE
  UPPER 90S TO LOWER 100S...A FEW DEGREES WARMER THAN THURSDAY IN
  MANY LOCATIONS. HEAT INDEX VALUES WILL REACH THE 105 TO 110
  DEGREE RANGE BY LATE THIS AFTERNOON.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
  WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE
  LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY
HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF FLUIDS...STAY IN
AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON
RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

REV
365 
WWUS73 KDMX 061444
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
944 AM CDT FRI JUL 6 2012

...EXTENDED PERIOD OF HEAT AND HUMIDITY THROUGH TONIGHT...

.HOT AND HUMID AIR WILL REMAIN IN PLACE ACROSS CENTRAL IOWA
THROUGH EARLY SATURDAY. TODAY IS EXPECTED TO BE THE HOTTEST DAY
YET WITH AFTERNOON HIGHS A DEGREE OR TWO WARMER THAN THURSDAY.

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-062245-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
944 AM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...AFTERNOON HIGHS TODAY WILL ONCE AGAIN REACH THE
  UPPER 90S TO LOWER 100S...A FEW DEGREES WARMER THAN THURSDAY IN
  MANY LOCATIONS. HEAT INDEX VALUES WILL REACH THE 105 TO 110
  DEGREE RANGE BY LATE THIS AFTERNOON.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
  WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE
  LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

LEE
023 
WWUS73 KDMX 062003
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
303 PM CDT FRI JUL 6 2012

...HEAT AND HUMIDITY TO CONTINUE THROUGH TONIGHT AND INTO
SATURDAY...

.A COOL FRONT WILL MOVE SLOWLY ACROSS IOWA ON SATURDAY. AHEAD OF
THE FRONT HOT AND HUMID AIR WILL REMAIN IN PLACE TONIGHT...THEN ON
SATURDAY WILL BE CONFINED TO PARTS OF CENTRAL AND SOUTHEASTERN
IOWA WHERE THE FRONT WILL NOT COME THROUGH UNTIL LATE IN THE DAY.

IAZ060>062-072>075-082>086-092>097-070415-
/O.EXT.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CRESTON...
OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...
LEON...CORYDON...CENTERVILLE...BLOOMFIELD
303 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 7 PM CDT SATURDAY...

* TEMPERATURE...AFTER HIGHS OF AROUND 100 AND HEAT INDICES
  APPROACHING 110 TODAY...OVERNIGHT LOWS WILL BE IN THE MID 70S
  AGAIN TONIGHT WITH HIGHS OF NEAR 100 EXPECTED AGAIN ON
  SATURDAY.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

IAZ004>007-015>017-023>028-033>039-044>050-057>059-070-071-081-
070415-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
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-CASS-ADAIR-ADAMS-
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...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER...
ADEL...ATLANTIC...GREENFIELD...CORNING
303 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...AFTER HIGHS OF AROUND 100 AND HEAT INDICES
  APPROACHING 110 TODAY...OVERNIGHT LOWS WILL BE IN THE LOW TO MID
  70S AGAIN TONIGHT BEFORE A COOL FRONT MOVES THROUGH ON SATURDAY.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

LEE
604 
WWUS73 KDMX 070203
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
903 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT AND HUMIDITY TO GRADUALLY DIMINISH BEGINNING
TONIGHT...

.A COOL FRONT WILL MOVE SLOWLY SOUTHWARD ACROSS IOWA FROM TONIGHT
INTO SATURDAY. HOT AND HUMID AIR WILL REMAIN IN PLACE AHEAD OF THE
FRONT...WHILE LOCATIONS BEHIND THE FRONT WILL SEE A REPRIEVE FROM
THE EXCESSIVE HEAT. THE COOL FRONT IS NOT EXPECTED TO REACH
SOUTHEASTERN IOWA UNTIL LATE IN THE DAY ON SATURDAY HOWEVER...SO
LOCATIONS IN SOUTHEAST IOWA WILL LIKELY ONE MORE DAY OF
EXCESSIVE HEAT.

IAZ004>007-015>017-023>028-033>036-044-045-070315-
/O.EXT.KDMX.EH.W.0001.000000T0000Z-120707T0300Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-CRAWFORD-CARROLL-
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...DENISON...CARROLL
903 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TEMPERATURE...HEAT INDEX VALUES WILL FALL TONIGHT...IN THE WAKE
  OF A COOL FRONT MOVING SOUTHWARD. LOCATIONS BEHIND THE FRONT
  WILL SEE A REPRIEVE FROM THE EXCESSIVE HEAT. TEMPERATURES
  WILL FALL INTO THE LOWER TO MIDDLE 70S BY SUNRISE ON SATURDAY.
  HIGH TEMPERATURES ON SATURDAY WILL BE NOTICEABLY COOLER THAN
  THOSE SEEN ON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

IAZ037>039-046>050-057>059-070-071-081-071015-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-
GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...
GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...CORNING
903 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...LOW TEMPERATURES TONIGHT WILL BE IN THE MIDDLE
  70S. A COOL FRONT WILL MOVE SOUTHWARD THROUGH THE REGION LATER
  TONIGHT INTO SATURDAY...BRINGING A REPRIEVE TO THE EXCESSIVE
  HEAT IN ITS WAKE.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

IAZ060>062-072>075-082>086-092>097-071015-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CRESTON...
OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...
LEON...CORYDON...CENTERVILLE...BLOOMFIELD
903 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* TEMPERATURE...LOWS TEMPERATURES TONIGHT WILL BE IN THE MIDDLE
  70S. HIGHS OF NEAR 100 DEGREES ARE EXPECTED AGAIN ON
  SATURDAY...BEFORE A COLD FRONT MOVING SOUTHWARD THROUGH IOWA
  BRINGS A REPRIEVE TO THE EXCESSIVE HEAT.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

ZOGG
364 
WWUS73 KDMX 070324
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1024 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT TO GRADUALLY DIMINISH BEGINNING TONIGHT...

.A COOL FRONT WILL MOVE SLOWLY SOUTHWARD ACROSS IOWA FROM TONIGHT
INTO SATURDAY. HOT AND HUMID AIR WILL REMAIN IN PLACE AHEAD OF
THE FRONT...WHILE LOCATIONS BEHIND THE FRONT WILL SEE A REPRIEVE
FROM THE EXCESSIVE HEAT. THE COOL FRONT IS NOT EXPECTED TO REACH
SOUTHEASTERN IOWA UNTIL LATE IN THE DAY ON SATURDAY HOWEVER...SO
LOCATIONS IN SOUTHEAST IOWA WILL LIKELY ONE MORE DAY OF EXCESSIVE
HEAT.

IAZ004>007-015>017-023>028-033>036-044-045-070430-
/O.EXP.KDMX.EH.W.0001.000000T0000Z-120707T0300Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-CRAWFORD-CARROLL-
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...DENISON...CARROLL
1024 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING HAS EXPIRED...

A COOL FRONT MOVING SOUTHWARD THROUGH THE REGION WILL BRING A
REPRIEVE FROM THE EXCESSIVE HEAT OF THE PAST FEW DAYS. TEMPERATURES
WILL FALL INTO THE LOWER TO MIDDLE 70S BY SUNRISE ON SATURDAY.
HIGH TEMPERATURES ON SATURDAY WILL BE NOTICEABLY COOLER THAN THOSE
SEEN ON FRIDAY.

$$

IAZ037>039-046>050-057>059-070-071-081-071130-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-
GUTHRIE-DALLAS-CASS-ADAIR-ADAMS-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...
GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD...CORNING
1024 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
SATURDAY...

* TEMPERATURE...LOW TEMPERATURES TONIGHT WILL BE IN THE MIDDLE 
  70S. A COOL FRONT WILL MOVE SOUTHWARD THROUGH THE REGION LATER 
  TONIGHT INTO SATURDAY...BRINGING A REPRIEVE TO THE EXCESSIVE 
  HEAT IN ITS WAKE. 

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

IAZ060>062-072>075-082>086-092>097-071130-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CRESTON...
OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...
LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1024 PM CDT FRI JUL 6 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
SATURDAY...

* TEMPERATURE...LOWS TEMPERATURES TONIGHT WILL BE IN THE MIDDLE
  70S. HIGHS OF NEAR 100 DEGREES ARE EXPECTED AGAIN ON SATURDAY...
  BEFORE A COLD FRONT MOVING SOUTHWARD THROUGH IOWA BRINGS A
  REPRIEVE TO THE EXCESSIVE HEAT.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

ZOGG
491 
WWUS73 KDMX 070840
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
340 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT CONTINUES SOUTH WHILE ENDING NORTH TODAY...

.HOT AND HUMID AIR WILL REMAIN IN PLACE AHEAD OF A COLD FRONT
MOVING ACROSS IOWA TODAY...WHILE LOCATIONS BEHIND THE FRONT WILL
SEE AN END TO THE EXCESSIVE HEAT. THE COLD FRONT IS NOT EXPECTED
TO REACH SOUTHERN IOWA UNTIL LATE IN THE AFTERNOON. SOUTHERN IOWA
WILL HAVE ONE MORE DAY OF EXCESSIVE HEAT BEFORE THE HOT TEMPERATURES
ARE REPLACED BY COOLER AND MORE NORMAL READINGS.

IAZ081-071645-
/O.EXT.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
ADAMS-
INCLUDING THE CITY OF...CORNING
340 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TEMPERATURE...TEMPERATURES WILL REACH THE MID 90S THIS AFTERNOON
  WITH HEAT INDICES APPROACHING THE LOWER 100S BY MID AFTERNOON
  BEFORE A COLD FRONT MOVES SOUTH THROUGH IOWA BRINGING AN END TO
  THE EXCESSIVE HEAT THIS EVENING.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
  WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE
  LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

IAZ037>039-046>050-057>059-070-071-071200-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-
GUTHRIE-DALLAS-CASS-ADAIR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...
GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD
340 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* TEMPERATURE...LOW TEMPERATURES TONIGHT WILL BE IN THE MIDDLE
  70S. HIGHS OF 85 TO 90 DEGREES ARE EXPECTED TODAY AS A COLD
  FRONT MOVES SOUTH THROUGH IOWA BRINGING AN END TO THE EXCESSIVE
  HEAT TODAY.

* IMPACTS...THE COMBINATION OF WARM OVERNIGHT LOWS AND HIGH
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT
  ILLNESSES ARE LIKELY THROUGH EARLY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

IAZ060>062-072>075-082>086-092>097-071645-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CRESTON...
OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...
LEON...CORYDON...CENTERVILLE...BLOOMFIELD
340 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TEMPERATURE...HIGHS OF 95 TO NEAR 100 DEGREES ARE EXPECTED AGAIN
  TODAY BEFORE A COLD FRONT MOVES SOUTH THROUGH IOWA BRINGING AN
  END TO THE EXCESSIVE HEAT THIS EVENING.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
  WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE
  LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

REV
716 
WWUS73 KDMX 071150
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
650 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT CONTINUES SOUTH TODAY...

.HOT AND HUMID AIR WILL REMAIN IN PLACE AHEAD OF A COLD FRONT
MOVING ACROSS IOWA TODAY...WHILE LOCATIONS BEHIND THE FRONT WILL
SEE AN END TO THE EXCESSIVE HEAT. THE COLD FRONT IS NOT EXPECTED
TO REACH SOUTHERN IOWA UNTIL LATE IN THE AFTERNOON. SOUTHERN IOWA
WILL HAVE ONE MORE DAY OF EXCESSIVE HEAT BEFORE THE HOT
TEMPERATURES ARE REPLACED BY COOLER AND MORE NORMAL READINGS.

IAZ037>039-046>050-057>059-070-071-071300-
/O.EXP.KDMX.EH.W.0001.000000T0000Z-120707T1200Z/
HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-
GUTHRIE-DALLAS-CASS-ADAIR-
INCLUDING THE CITIES OF...ELDORA...GRUNDY CENTER...WATERLOO...
JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...
GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD
650 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 7 AM CDT THIS MORNING...

NORTH WINDS ARE BEGINNING TO BRING COOLER AIR INTO PORTIONS OF
NORTHERN AND CENTRAL IOWA. ALONG WITH SLIGHTLY COOLER AIR...SOME
CLOUDS WILL ALSO KEEP TEMPERATURES FROM REACHING THE EXTREME
LEVELS OF THE PAST FEW DAYS. THEREFORE...THE HEAT WARNING WILL
EXPIRE AT 7 AM CDT THIS MORNING. 

$$

IAZ060>062-072>075-081>086-092>097-072000-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
650 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TEMPERATURE...HIGHS OF 95 TO NEAR 100 DEGREES ARE EXPECTED 
  AGAIN TODAY BEFORE A COLD FRONT MOVES SOUTH THROUGH IOWA 
  BRINGING AN END TO THE EXCESSIVE HEAT THIS EVENING. 

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$

REV
644 
WWUS73 KDMX 071535
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1035 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT CONTINUES SOUTH TODAY...

.HOT AND HUMID AIR WILL REMAIN IN PLACE AHEAD OF A COLD FRONT
MOVING ACROSS IOWA TODAY...WHILE LOCATIONS BEHIND THE FRONT WILL
SEE AN END TO THE EXCESSIVE HEAT. THE COLD FRONT IS NOT EXPECTED
TO REACH SOUTHERN IOWA UNTIL LATE IN THE AFTERNOON. SOUTHERN IOWA
WILL HAVE ONE MORE DAY OF EXCESSIVE HEAT BEFORE THE HOT
TEMPERATURES ARE REPLACED BY COOLER AND MORE NORMAL READINGS.

IAZ060>062-072>075-081>086-092>097-072345-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1035 AM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TEMPERATURE...HIGHS IN THE UPPER 90S TO NEAR 105 IN THE
  SOUTHEAST ARE EXPECTED AGAIN THIS AFTERNOON BEFORE A COLD FRONT
  MOVES SOUTH THROUGH IOWA TO BRING AN END TO THE EXCESSIVE HEAT
  THIS EVENING.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS AS WELL AS LIVESTOCK.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$
714 
WWUS73 KDMX 072052
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
352 PM CDT SAT JUL 7 2012

...EXCESSIVE HEAT CONTINUES SOUTH TODAY...

.HOT AND HUMID AIR WILL REMAIN IN PLACE THROUGH THE REST OF THE
AFTERNOON. COOLER AIR IS ON THE WAY HOWEVER AS A COLD FRONT PASSES
SOUTHEAST ACROSS THE STATE THIS EVENING. TEMPERATURES WILL RETURN
TO NEAR NORMAL LATER TONIGHT AND MONDAY.

IAZ060>062-072>075-081>086-092>097-080000-
/O.CON.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
352 PM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TEMPERATURE...READINGS IN THE 95 TO 105 DEGREE RANGE ARE
  EXPECTED TO FALL TO THE LOW TO MID 90S AS A COLD FRONT PASSES.
  THIS WILL BRING AN END TO THE EXCESSIVE HEAT THIS EVENING.

* IMPACTS...THE COMBINATION OF HOT TEMPERATURES AND HIGH 
  HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT 
  ILLNESSES ARE LIKELY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES IS OCCURRING. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS AND PETS AS WELL AS
LIVESTOCK.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL 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 - CALL 911.

&&

$$
412 
WWUS73 KDMX 072354
NPWDMX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
654 PM CDT SAT JUL 7 2012

...REPRIEVE FROM THE EXCESSIVE HEAT...

.A COOL FRONT HAS PUSHED THROUGH MUCH OF IOWA...AND HAS PUSHED
SOUTH OF THE AREA CURRENTLY UNDER THE EXCESSIVE HEAT WARNING. THE
PASSAGE OF THE COOL FRONT WILL USHER IN COOLER TEMPERATURES AND
LOWER HUMIDITIES...WHICH WILL RESULT IN LOWER HEAT INDEX VALUES.

IAZ060>062-072>075-081>086-092>097-080100-
/O.EXP.KDMX.EH.W.0001.000000T0000Z-120708T0000Z/
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
654 PM CDT SAT JUL 7 2012

...EXCESSIVE HEAT WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING...

A COOL FRONT HAS PUSHED SOUTH OF THE AREA...BRINGING COOLER AND
SLIGHTLY DRIER AIR IN ITS WAKE.

$$

ZOGG

What forecasters said that day

The local office's own words before this excessive heat warning 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 excessive heat warning went out at Jul 4, 3:57 PM CDT, 11 minutes earlier.

Area forecast discussion, Jul 4, 3:57 PM CDT, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
357 PM CDT WED JUL 4 2012

.SHORT TERM /TONIGHT/...
MAIN CONCERN FOR TONIGHT...ASIDE FROM THE CONTINUED WARM
TEMPERATURES...IS PRECIP CHANCES ESPECIALLY ACROSS THE NORTHERN
THIRD. ATTM NO POPS ARE IN THE FCST FOR OUR CWA. 12Z WRF/NMM BRINGS
THE CURRENT CONVECTION IN NORTHERN MN SOUTH INTO IA TONIGHT AS
ISOLD/SCATTERED TSRA...IN CONJUNCTION WITH A WEAK SFC BOUNDARY. THAT
SOLUTION APPEARS TO BE TOO BULLISH HOWEVER SO HAVE HELD OFF ON
MENTION OF PRECIP. EVENING SHIFT WILL HAVE TO MONITOR HOWEVER.

LONG TERM /THURSDAY THROUGH WEDNESDAY/...
DURATION OF HEAT AND POTENTIAL FOR THUNDERSTORMS INTO THE WEEKEND
ARE THE PRIMARY CHALLENGES WITH THIS FORECAST. CONTINUE TO FOLLOW
CLOSER TO THE CONSISTENT ECMWF THOUGH MUCH OF THE PERIOD WITH LARGE
UPPER LEVEL HIGH CENTERED OVER MISSOURI THROUGH FRIDAY THEN
BEGINNING TO RETROGRADE TO THE WEST AS A TROUGH DEVELOPS OVER
EASTERN CANADA AND INTO NEW ENGLAND FRIDAY NIGHT INTO THE WEEKEND.
FRONTAL BOUNDARY SITUATED OVER THE DAKOTAS AND NORTHWEST MINNESOTA
WILL SINK SLOWLY SOUTH THURSDAY AND FRIDAY BUT SHOULD STAY NORTH OF
THE BORDER THROUGH THIS TIME. THE BOUNDARY WILL BE CLOSE TO THE
FORECAST AREA ON THURSDAY BEFORE LIFTING A BIT BACK TO THE NORTH
THURSDAY NIGHT. CONVECTIVE OUTFLOW WOULD POSE A BETTER CHANCE TO
REACH A BIT FARTHER INTO NORTHERN IOWA ON THURSDAY BUT ANY OUTFLOW
SHOULD BE SHALLOW AND WASHOUT QUICKLY.

DEWPOINT VALUES SHOULD INCREASE A FEW DEGREES THURSDAY AND FRIDAY
WITH THE POOLING MOISTURE DROPPING SOUTH ALONG THE BOUNDARY. THE
HEAT WILL REMAIN AND IN COMBINATION WITH THE HIGHER DEWPOINTS SHOULD
INCREASE HEAT INDEX VALUES FURTHER. IN COLLABORATION WITH
SURROUNDING OFFICES...WILL UPGRADE THE HEAT ADVISORY TO AN EXCESSIVE
HEAT WARNING. WHILE HEAT INDEX VALUES MAY NOT REACH THE 110 DEGREE
CRITERIA...THE CURRENT HEAT DURATION HAS REACHED A CRITICAL POINT
THAT VALIDATES THE UPGRADE. AS MENTIONED IN THE PREVIOUS
PARAGRAPH...POSSIBLE SOME COOLER AIR REACHES THE FAR NORTH THE NEXT
COUPLE DAYS WHICH MAY NECESSITATE A CANCELLATION IN THOSE AREAS.

CHANCES FOR THUNDERSTORMS INCREASE THIS WEEKEND AND HAVE FOCUSED
POPS FOR SATURDAY NIGHT THROUGH SUNDAY NIGHT THEN TRENDING DRY INTO
NEXT WEEK AS THE FRONTAL BOUNDARY SHIFTS INTO THE OHIO VALLEY AND
SOUTHERN PLAINS AND THE UPPER RIDGE SHIFTS INTO THE INTERMOUNTAIN
WEST. A FEW UPPER LEVEL SHORT WAVES COULD TRACK THROUGH THE
NORTHWEST FLOW NEXT WEEK BUT AT THIS TIME TO DIFFICULT TO TRACK AND
THUS INCLUDE ANY POPS AT THIS POINT.

.AVIATION...
04/18Z...VFR CONDITIONS ARE EXPECTED AT ALL TERMINALS. AN UPPER
LEVEL PRESSURE RIDGE WILL DOMINATE THE WX. THERE IS A LOW
PROBABILITY THAT SOME ISOLD TSRA MAY DEVELOP TO THE NORTH OF IA LATE
TONIGHT...BUT IT APPEARS UNLIKELY THEY WILL SINK SOUTH INTO THE TAF
SITES.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
EXCESSIVE HEAT WARNING UNTIL 7 AM CDT SATURDAY FOR
ADAIR-ADAMS-APPANOOSE-AUDUBON-BLACK HAWK-BOONE-BREMER-
BUTLER-CALHOUN-CARROLL-CASS-CERRO GORDO-CLARKE-CRAWFORD-DALLAS-
DAVIS-DECATUR-EMMET-FRANKLIN-GREENE-GRUNDY-GUTHRIE-HAMILTON-
HANCOCK-HARDIN-HUMBOLDT-JASPER-KOSSUTH-LUCAS-MADISON-MAHASKA-
MARION-MARSHALL-MONROE-PALO ALTO-POCAHONTAS-POLK-POWESHIEK-
RINGGOLD-SAC-STORY-TAMA-TAYLOR-UNION-WAPELLO-WARREN-WAYNE-WEBSTER-
WINNEBAGO-WORTH-WRIGHT.

&&

SHORT TERM...ZOGG
LONG TERM...DONAVON
AVIATION...ZOGG
Hazardous weather outlook, Jul 4, 4:57 AM CDT, 11 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
457 AM CDT WED JUL 4 2012

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-051100-
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-
457 AM CDT WED JUL 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

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

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

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

THUNDERSTORM CHANCES RETURN FRIDAY NIGHT...WITH ADDITIONAL
THUNDERSTORM CHANCES THROUGHOUT THE WEEKEND AND INTO EARLY NEXT
WEEK. AT THIS TIME THE THREAT FOR SEVERE WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

Nearby

Excessive Heat Warnings in Iowa, 2012Every excessive heat warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.