Alert archive / South Dakota / Heat Advisories in 2012

Heat Advisory 2, NWS Aberdeen, SD

July 1, 201226 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this heat advisory at Jul 1, 2012, 2:44 PM CDT for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Jul 2, 2012, 1:00 PM CDT. It was in force for 56 hr.

The area

The counties it named.

The facts

Issued
Jul 1, 2012, 2:44 PM CDT (19:44 UTC)
In effect from
Jul 2, 2012, 1:00 PM CDT
Expired
Jul 4, 2012, 9:00 PM CDT
In force
56 hr
Issued by
NWS Aberdeen, SD
All 28 counties

Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 19:49 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

Aberdeen, SD (KABR), launched 12:00Z, 7.7 hours before the alert went out and 34 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, Aberdeen, SD at 12:00Z on 2012-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1293 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, Aberdeen, SD at 12:00Z on 2012-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
1293 J/kg
Mixed-layer CIN
-191 J/kg
Mixed-layer LCL
1253 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

820 
WWUS73 KABR 011944
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
244 PM CDT SUN JUL 1 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH THE HOLIDAY WEEK...

.VERY WARM AND HUMID AIR IN PLACE OVER THE NORTHERN PLAINS WILL
BECOME EVEN HOTTER OVER THE NEXT FEW DAYS. TEMPERATURES WILL FEEL
LIKE THEY ARE IN THE LOWER 100S. 

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-020745-
/O.NEW.KABR.HT.Y.0002.120702T1800Z-120706T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
244 PM CDT SUN JUL 1 2012 /144 PM MDT SUN JUL 1 2012/

...HEAT ADVISORY IN EFFECT FROM 1 PM CDT /NOON MDT/ MONDAY TO
7 PM CDT /6 PM MDT/ THURSDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ MONDAY TO
7 PM CDT /6 PM MDT/ THURSDAY. 

* TEMPERATURE...94 TO 100 DEGREES COMBINED WITH HIGH HUMIDITY WILL
  MAKE TEMPERATURES FEEL LIKE 100 TO 105 DEGREES. TEMPERATURES MAY
  COOL SLIGHTLY ON TUESDAY OVER PART OF THE REGION BUT WILL
  INCREASE AGAIN MID WEEK.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. 

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.

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 - CALL 9 1 1.

&&

$$
10 follow-up statements
602 
WWUS73 KABR 020708
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
208 AM CDT MON JUL 2 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH THE HOLIDAY WEEK...

.A HOT AND HUMID AIRMASS WILL REMAIN IN PLACE OVER THE NORTHERN
PLAINS OVER THE NEXT FEW DAYS. HIGH TEMPERATURES IN THE 90S TO LOW
100S COMBINED WITH HIGH HUMIDITY LEVELS WILL PRODUCE HEAT INDEX
VALUES IN EXCESS OF 100F.

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-022100-
/O.CON.KABR.HT.Y.0002.120702T1800Z-120706T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
208 AM CDT MON JUL 2 2012 /108 AM MDT MON JUL 2 2012/

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 7 PM CDT /6 PM MDT/ THURSDAY...

* TEMPERATURES...MAX TEMPERATURES IN THE 90S TO LOW 100S COMBINED
  WITH HIGH HUMIDITY WILL MAKE TEMPERATURES FEEL LIKE 100 TO 105
  DEGREES EACH DAY. TEMPERATURES MAY COOL SLIGHTLY ON TUESDAY OVER
  PART OF THE REGION BUT WILL INCREASE AGAIN MID WEEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$

MF
644 
WWUS73 KABR 021613
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1113 AM CDT MON JUL 2 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH THE HOLIDAY WEEK...

.A HOT AND HUMID AIRMASS WILL REMAIN IN PLACE OVER THE NORTHERN
PLAINS OVER THE NEXT FEW DAYS. HIGH TEMPERATURES IN THE 90S TO
LOW 100S COMBINED WITH HIGH HUMIDITY LEVELS WILL PRODUCE HEAT
INDEX VALUES IN EXCESS OF 100F.

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-030415-
/O.CON.KABR.HT.Y.0002.120702T1800Z-120706T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
1113 AM CDT MON JUL 2 2012 /1013 AM MDT MON JUL 2 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
THURSDAY...

* TEMPERATURES...MAXIMUM TEMPERATURES IN THE 90S TO LOW 100S 
  COMBINED WITH HIGH HUMIDITY WILL MAKE TEMPERATURES FEEL LIKE 
  100 TO 105 DEGREES EACH DAY. TEMPERATURES MAY COOL SLIGHTLY ON 
  TUESDAY OVER PART OF THE REGION BUT WILL INCREASE AGAIN MID 
  WEEK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
218 
WWUS73 KABR 021942
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
242 PM CDT MON JUL 2 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH THE HOLIDAY WEEK...

.A HOT AND HUMID AIRMASS IS IN PLACE OVER THE AREA. HEAT INDEX
VALUES ARE ALREADY AT OR ABOVE 100 DEGREES IN SEVERAL LOCATIONS
ACROSS THE ADVISORY AREA. AFTER A BRIEF REPRIEVE FROM THE
UNCOMFORTABLY HOT AND HUMID CONDITIONS ON TUESDAY...THE DANGEROUS
HEAT AND HUMIDITY RETURNS ON INDEPENDENCE DAY. HEAT INDEX VALUES
BETWEEN 100 AND 105 DEGREES WILL PERSIST THROUGH LATE THIS
AFTERNOON...PERHAPS EVEN INTO EARLY THIS EVENING...AND THEN RETURN
AGAIN ON WEDNESDAY.

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-030745-
/O.CON.KABR.HT.Y.0002.000000T0000Z-120706T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
242 PM CDT MON JUL 2 2012 /142 PM MDT MON JUL 2 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
THURSDAY...

* TEMPERATURES IN THE 90S TO AROUND 100 DEGREES COMBINED WITH HIGH
  HUMIDITY ARE MAKING IT FEEL LIKE 100 TO 105 DEGREES THIS
  AFTERNOON. TEMPERATURES AND HUMIDITY WILL DROP OFF SOME ON
  TUESDAY...BUT WILL RETURN BY INDEPENDENCE DAY...PRODUCING HEAT
  INDEX VALUES ONCE MORE IN THE 100 TO 105 DEGREE RANGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
547 
WWUS73 KABR 030228
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
928 PM CDT MON JUL 2 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH THE HOLIDAY WEEK...

.A HOT AND HUMID AIRMASS SPRAWLED ACROSS THE AREA WILL PRETTY
MUCH REMAIN IN PLACE ACROSS THE REGION THROUGH THE REST OF THE
WEEK.

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-031430-
/O.CON.KABR.HT.Y.0002.000000T0000Z-120706T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
928 PM CDT MON JUL 2 2012 /828 PM MDT MON JUL 2 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
THURSDAY...

* TEMPERATURES IN THE 90S TO AROUND 100 DEGREES...COMBINED WITH
  HIGH HUMIDITY WILL PROVIDE FOR AFTERNOON HEAT INDICES OF 100 TO
  105 DEGREES ACROSS THE REGION THROUGH THURSDAY WITH ONLY
  SLIGHTLY COOLER TEMPERATURES AND HEAT INDICES FOR TUESDAY.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
TDK
583 
WWUS73 KABR 030838
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
338 AM CDT TUE JUL 3 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH THE HOLIDAY WEEK...

.A HOT AND HUMID AIRMASS SPRAWLED ACROSS THE AREA WILL PRETTY
MUCH REMAIN IN PLACE ACROSS THE REGION THROUGH THE REST OF THE
WEEK.

SDZ003-004-009-015-016-032045-
/O.EXB.KABR.HT.Y.0002.120703T1800Z-120704T0300Z/
CORSON-CAMPBELL-WALWORTH-DEWEY-POTTER-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...MOBRIDGE...
TIMBER LAKE...GETTYSBURG
338 AM CDT TUE JUL 3 2012 /238 AM MDT TUE JUL 3 2012/

...HEAT ADVISORY IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING. 

* TEMPERATURES IN THE 90S TO AROUND 100 DEGREES...COMBINED WITH
  HIGH HUMIDITY WILL PROVIDE FOR AFTERNOON HEAT INDICES OF 100 TO
  105 DEGREES ACROSS NORTH CENTRAL SOUTH DAKOTA TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-032045-
/O.CON.KABR.HT.Y.0002.000000T0000Z-120706T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
338 AM CDT TUE JUL 3 2012 /238 AM MDT TUE JUL 3 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
THURSDAY...

* TEMPERATURES WILL WARM INTO THE 90S TO AROUND 100 DEGREES TODAY.
  WHEN COMBINED WITH HIGH HUMIDITY...AFTERNOON HEAT INDICES OF 100
  TO 105 DEGREES ARE POSSIBLE ACROSS THE REGION. HOTTER...MORE
  HUMID CONDITIONS ARE POSSIBLE WEDNESDAY...WITH ANOTHER HOT AND
  HUMID DAY EXPECTED FOR THURSDAY...AFTER WHICH MILDER CONDITIONS
  ARE EXPECTED FOR THE REGION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$


CONNELLY
222 
WWUS73 KABR 031931
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
231 PM CDT TUE JUL 3 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH INDEPENDENCE DAY...

.A HOT AND HUMID AIRMASS SPRAWLED ACROSS THE AREA WILL REMAIN IN
PLACE THROUGH THE 4TH OF JULY. A COLD FRONT EXPECTED TO SWEEP
THROUGH THE REGION WEDNESDAY NIGHT WILL LET TEMPERATURES COOL BY 
THURSDAY.

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-040745-
/O.EXT.KABR.HT.Y.0002.000000T0000Z-120705T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
231 PM CDT TUE JUL 3 2012 /131 PM MDT TUE JUL 3 2012/

...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
WEDNESDAY...

* TEMPERATURES WILL WARM INTO THE 90S TO AROUND 100 DEGREES LATE
  THIS AFTERNOON AND AGAIN ON WEDNESDAY. WHEN COMBINED WITH HIGH
  HUMIDITY...AFTERNOON HEAT INDICES OF 100 TO 105 DEGREES ARE
  POSSIBLE ACROSS THE REGION. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$

SDZ003-004-009-015-016-040300-
/O.CON.KABR.HT.Y.0002.000000T0000Z-120704T0300Z/
CORSON-CAMPBELL-WALWORTH-DEWEY-POTTER-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...MOBRIDGE...
TIMBER LAKE...GETTYSBURG
231 PM CDT TUE JUL 3 2012 /131 PM MDT TUE JUL 3 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/
THIS EVENING...

* TEMPERATURES IN THE 90S TO AROUND 100 DEGREES...COMBINED WITH 
  HIGH HUMIDITY WILL PROVIDE FOR AFTERNOON HEAT INDICES OF 100 
  TO 105 DEGREES ACROSS NORTH CENTRAL SOUTH DAKOTA TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
112 
WWUS73 KABR 040302
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1002 PM CDT TUE JUL 3 2012

...HOT AND HUMID WEATHER EXPECTED THROUGH INDEPENDENCE DAY...

.A HOT AND HUMID AIRMASS SPRAWLED ACROSS THE AREA WILL REMAIN IN
PLACE THROUGH THE 4TH OF JULY. A COLD FRONT EXPECTED TO SWEEP
THROUGH THE REGION WEDNESDAY NIGHT WILL LET TEMPERATURES COOL BY
THURSDAY.

SDZ003-004-009-015-016-040415-
/O.EXP.KABR.HT.Y.0002.000000T0000Z-120704T0300Z/
CORSON-CAMPBELL-WALWORTH-DEWEY-POTTER-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...MOBRIDGE...
TIMBER LAKE...GETTYSBURG
1002 PM CDT TUE JUL 3 2012 /902 PM MDT TUE JUL 3 2012/

...HEAT ADVISORY HAS EXPIRED...

HEAT ADVISORY CRITERIA IS NO LONGER EXPECTED AND THUS THE
ADVISORY HAS BEEN ALLOWED TO EXPIRE.

$$

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-041515-
/O.CON.KABR.HT.Y.0002.000000T0000Z-120705T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
1002 PM CDT TUE JUL 3 2012 /902 PM MDT TUE JUL 3 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/
WEDNESDAY...

* TEMPERATURES WILL WARM INTO THE 90S TO AROUND 100 DEGREES LATE
  AGAIN ON WEDNESDAY. WHEN COMBINED WITH HIGH HUMIDITY...AFTERNOON
  HEAT INDICES OF 100 TO 105 DEGREES WILL BE POSSIBLE ACROSS THE
  REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
673 
WWUS73 KABR 041315
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
815 AM CDT WED JUL 4 2012

...HOT AND HUMID WEATHER EXPECTED FOR INDEPENDENCE DAY...

.A HOT AND HUMID AIRMASS SPRAWLED ACROSS THE AREA WILL REMAIN IN
PLACE THROUGH THIS EVENING. A COLD FRONT EXPECTED TO SWEEP THROUGH THE
REGION TONIGHT AND WILL ALLOW TEMPERATURES TO OFF COOL BY
THURSDAY.

MNZ039-046-SDZ005>008-010-011-017>023-033>037-045-048-051-050000-
/O.CON.KABR.HT.Y.0002.000000T0000Z-120705T0000Z/
TRAVERSE-BIG STONE-MCPHERSON-BROWN-MARSHALL-ROBERTS-EDMUNDS-DAY-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...EUREKA...
ABERDEEN...BRITTON...SISSETON...IPSWICH...WEBSTER...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
815 AM CDT WED JUL 4 2012 /715 AM MDT WED JUL 4 2012/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS
EVENING...

* TEMPERATURES WILL WARM INTO THE 90S TO AROUND 100 DEGREES BY
  LATER THIS AFTERNOON. WHEN COMBINED WITH HIGH HUMIDITY...AFTERNOON
  HEAT INDICES OF 100 TO 105 DEGREES WILL BE POSSIBLE ACROSS THE
  REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
SD
767 
WWUS73 KABR 042338
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
638 PM CDT WED JUL 4 2012

.A HOT AND HUMID AIRMASS SPRAWLED ACROSS THE AREA WILL REMAIN IN
PLACE THROUGH THIS EVENING. HOWEVER...A COLD FRONT MOVING THROUGH
THE REGION WILL PROVIDE FOR COOLER TEMPERATURES AND LESS OPPRESSIVE
CONDITIONS LATER TONIGHT AND THURSDAY.

SDZ005-006-010-017-033>037-045-048-051-050045-
/O.CAN.KABR.HT.Y.0002.000000T0000Z-120705T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-STANLEY-SULLY-HUGHES-HYDE-HAND-
JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
638 PM CDT WED JUL 4 2012 /538 PM MDT WED JUL 4 2012/

...HEAT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS CANCELLED THE HEAT
ADVISORY. 

THE HOT TEMPERATURES WILL CONTINUE TO COOL THIS EVENING BEHIND A
FRONTAL BOUNDARY. ALSO...DEWPOINTS WILL GRADUALLY LOWER THUS
PROMOTING LOWER HEAT INDICES.  

$$

MNZ039-046-SDZ007-008-011-018>023-050200-
/O.EXT.KABR.HT.Y.0002.000000T0000Z-120705T0200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-SPINK-CLARK-CODINGTON-
GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...REDFIELD...CLARK...WATERTOWN...MILBANK...
CASTLEWOOD...CLEAR LAKE
638 PM CDT WED JUL 4 2012

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

* TEMPERATURES IN THE 90S COMBINED WITH HIGH HUMIDITY WILL
  CONTINUE TO PROMOTE HEAT INDICES NEAR OR ABOVE 100 DEGREES UNTIL
  MID EVENING. AFTER THAT COOLING TEMPERATURES AND LOWERING
  DEWPOINTS WILL ALLOW FOR LOWERING HEAT INDICES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE.
DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY
OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS.

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.

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 - CALL 9 1 1.

&&

$$
TDK
519 
WWUS73 KABR 050158
NPWABR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
858 PM CDT WED JUL 4 2012

MNZ039-046-SDZ007-008-011-018>023-050300-
/O.EXP.KABR.HT.Y.0002.000000T0000Z-120705T0200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-SPINK-CLARK-CODINGTON-
GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...REDFIELD...CLARK...WATERTOWN...MILBANK...
CASTLEWOOD...CLEAR LAKE
858 PM CDT WED JUL 4 2012

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

TEMPERATURES WILL CONTINUE TO COOL...AND DEWPOINTS LOWER...SO THE
HEAT ADVISORY WILL BE ALLOWED TO EXPIRE. 

$$
TDK

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 Aberdeen, SD wrote its last area forecast discussion before this heat advisory went out at Jul 1, 12:46 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jul 1, 12:46 PM CDT, 1 hour 58 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
1246 PM CDT SUN JUL 1 2012

.UPDATE...
MADE A FEW ADJUSTMENTS TO POPS THIS MORNING. LEFT IN AFTERNOON
PRECIP CHANCES IN THE EAST WITH THE TROF AXIS MOVING TOWARD THE
COTEAU. HOWEVER BELIEVE ANY ACTIVITY WILL EITHER DISSIPATE OR MOVE
EAST BY 0Z SO REMOVED POPS THEREAFTER. ALSO REMOVED POPS BEFORE 6Z
IN THE WEST AS RECENT MODEL RUNS INDICATE ALL PRECIP REMAINING
NORTH AND WEST UNTIL THEN. OTHERWISE THE FORECAST LOOKS TO BE ON
TRACK. WILL LIKELY ISSUE A HEAT HEADLINE LATER TODAY TO COVER THE
HOT TEMPS EXPECTED THROUGH THE HOLIDAY WEEK.

SEE UPDATED AVIATION DISCUSSION BELOW FOR THE 18Z TAFS.

&&
.PREVIOUS DISCUSSION...
.SHORT TERM...TODAY THROUGH TUESDAY
00Z UPPER AIR ANALYSIS AND WATER VAPOR IMAGERY INDICATED MEAN
TROUGHING OVER THE PACIFIC NW AND GREAT LAKES REGIONS...WITH THE
MEAN RIDGE AXIS ORIENTED ALONG THE FRONT RANGE OF THE ROCKIES.
MAINLY CLEAR SKIES EXIST OVER THE CWA AS OF 08Z...WITH ALL
CONVECTIVE ACTIVITY WELL SOUTH OF THE CWA OVER NEB.

TODAY/TONIGHT...FORECAST CONFIDENCE: MODERATE TO HIGH.
MID/UPPER RIDGE AXIS TO SLIDE EWD TODAY...WITH H5 HEIGHT RISES OF
20-40M FORECAST OVER THE CWA. MID-LEVEL /H7/ TEMPERATURES ALSO
EXPECTED TO INCREASE AS THE LEADING EDGE OF A PRONOUNCED ELEVATED
MIXED LAYER ADVECTS INTO THE DAKOTAS. WITH AN OVERALL LACK OF LARGE
SCALE ASCENT...FEEL THAT A MAJORITY OF THE CWA WILL REMAIN DRY
TODAY. THE EXCEPTION IS ACROSS THE FAR ERN SECTION OF THE
CWA...WHERE SLIGHTLY COOLER MID-LEVEL TEMPS WILL PERSIST THRU
AFTERNOON. AS SUCH...A MODERATELY UNSTABLE ATMOSPHERE /MLCAPE AOA
2500 J/KG/ WILL DEVELOP BY 00Z MONDAY...WITH MLCIN DROPPING BELOW
-50 J/KG. ALTHOUGH SFC PATTERN APPEARS RATHER DIFFUSE...LOCALIZED
AREAS OF CONVERGENCE MAY PRODUCE ENOUGH LIFT TO INITIATE ISOLATED
TSTMS. ALTHOUGH INSTABILITY IS IMPRESSIVE...0-6KM DEEP LAYER
REMAINS AOB 25 KTS WHICH WOULD FAVOR PRIMARILY PULSE TYPE STORMS.
AS FOR TEMPS...LOW LEVEL THERMAL ADVECTION IS NEGLIGIBLE...THUS
EXPECT READINGS ABOUT THE SAME OR A TOUCH WARMER THAN SATURDAY.
FOR TONIGHT...A MODEST LLJ IS FORECAST TO DEVELOP IN RESPONSE TO
SHORTWAVE ENERGY LIFTING NEWD OUT THE NRN ROCKIES. ISOLATED TSTMS
ARE POSSIBLE OVER THE WRN DAKOTAS...PERHAPS LEAKING INTO
CORSON/DEWEY COUNTIES. ADDITIONAL ELEVATED CONVECTION MAY PERSIST
OVERNIGHT...ALTHOUGH MODEL CONSENSUS KEEPS THE MAJORITY OF THIS
ACTIVITY OVER ND ATTM.

MONDAY THRU TUESDAY...FORECAST CONFIDENCE: MODERATE.
UPPER SHORTWAVE/PV ANOMALY EXPECTED TO SLIDE ACROSS THE NRN
PLAINS ON MONDAY. IN RESPONSE...A WEAK SFC LOW IS EXPECTED TO
TRACK FROM WEST TO EAST ACROSS SD. A STRONG LOW-LEVEL THERMAL
RIDGE WITH H8 TEMPS SURGING TO NEAR +30C WILL OVERSPREAD THE CWA.
HIGH TEMPS WILL BE TOASTY...WITH 90S TO LOW 100S EXPECTED. EVEN
WITH FAIRLY CONSERVATIVE DEWPOINTS IN THE 60S...HEAT HEADLINES MAY
BE NEEDED ON MONDAY ALTHOUGH WILL DEFER ISSUING ANYTHING AT THIS
POINT. IN ADDITION...A FEW SEVERE STORMS WILL BE POSSIBLE LATE
MONDAY INTO MONDAY NIGHT. ALTHOUGH WARM MID-LVL TEMPS WILL LIKELY
KEEP CONVECTION AT BAY THRU MUCH OF THE AFTERNOON...THE
COMBINATION OF STRONG DIABATIC HEATING...MID-LEVEL FORCING...AND
FRONTOGENETICAL LIFT ALONG THE FRONT/TROUGH IS EXPECTED TO
INITIATE AT LEAST ISOLATED CONVECTION OVER SD. SEE THE SPC DAY 2
OUTLOOK FOR MORE DETAILS. SLIGHTLY COOLER TEMPS ARE EXPECTED ON
TUESDAY. WILL MAINTAIN VERY LOW PROBABILITIES FOR PCPN...MAINLY
ACROSS THE WRN CWA.

.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY
UPPER LEVEL RIDGING WILL REMAIN DOMINANT OVER THE REGION THROUGH
THE PERIOD...WITH JUST A BRIEF PERIOD THURSDAY NIGHT INTO FRIDAY
WHERE THE RIDGE GETS DAMPENED BY A SHORTWAVE TRACKING ACROSS THE
DAKOTAS.

HIGH PRESSURE OVER THE AREA TUESDAY EVENING WILL GIVE WAY TO A
LOW PRESSURE SYSTEM THAT SETTLES IN OVER THE PLAINS STATES. THE
FRONTAL BOUNDARY ASSOCIATED WITH THIS SYSTEM WILL TRACK ACROSS THE
CWA THURSDAY NIGHT INTO EARLY FRIDAY...AND IN ASSOCIATION WITH THE
AFOREMENTIONED UPPER SHORTWAVE...LOOKS TO BE THE FOCUS FOR SOME
SHOWER AND THUNDERSTORM DEVELOPMENT. THERE IS SOME DIFFERENCE IN
THE TIMING BETWEEN MODELS AS TO HOW QUICKLY THE FRONT EXITS THE
REGION. FOR THIS REASON...WILL KEEP SMALL POPS IN DURING THE
FRIDAY NIGHT AND SATURDAY TIME FRAME AS WELL.

TEMPERATURES WILL BE WELL ABOVE NORMAL TO START THE PERIOD UNDER
THE INFLUENCE OF THE UPPER RIDGE. WEDNESDAY AND THURSDAY WILL BOTH
BE VERY WARM...WITH MID TO UPPER 90S LIKELY MOST AREAS...AND THE
POSSIBILITY OF A FEW LOCATIONS IN THE SOUTHWESTERN CWA SEEING 100+
DEGREE TEMPERATURES. SLIGHTLY COOLER AIR MOVES IN FOR THE LATTER
HALF OF THE PERIOD AS H85 TEMPS FALL BACK INTO THE TEENS. MID TO
UPPER 80S WILL BE COMMON FOR HIGHS BOTH FRIDAY AND SATURDAY.

&&

.AVIATION...
18Z TAFS FOR THE KABR...KATY...KPIR AND KMBG TERMINALS

GOOD VFR IS EXPECTED ACROSS THE AREA OVER THE NEXT 24 HOURS. A
WEAK SURFACE BOUNDARY MAY SPARK A COUPLE OF HEAT-OF-THE-DAY
THUNDERSTORMS PRIMARILY ALONG AND EAST OF A LINE FROM KABR TO
KPIR. HOWEVER...THUNDERSTORMS DEVELOPING THIS AFTERNOON/EVENING
HAVE RATHER LOW PROBABILITY OF OCCURRING AND A RATHER LIMITED
AREAL COVERAGE...SO OPTING TO KEEP THUNDER MENTION OUT OF THE TAFS
RIGHT NOW. EVENTUALLY...LIGHT AND VARIABLE WINDS BEGIN TO SWITCH
AROUND TO MORE OF A WESTERLY DIRECTION BY LATE TOMORROW MORNING
ACROSS CENTRAL SOUTH DAKOTA /INCLUDING THE KMBG AND KPIR
TERMINALS/.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
&&

UPDATE...WISE
SHORT TERM...FOWLE
LONG TERM...PARKIN
AVIATION...DORN

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Jul 1, 4:16 AM CDT, 10 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
416 AM CDT SUN JUL 1 2012

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-020930-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
416 AM CDT SUN JUL 1 2012 /316 AM MDT SUN JUL 1 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND
NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED LATE THIS
AFTERNOON AND EVENING ACROSS PORTIONS OF THE AREA. ALTHOUGH MOST
STORMS WILL REMAIN BELOW SEVERE LIMITS...AN ISOLATED SEVERE STORM
IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

HOT AND HUMID CONDITIONS WILL PERSIST THROUGH THE UPCOMING WEEK.
MONDAY WILL BE EXCEPTIONALLY HOT WITH TEMPERATURES RANGING FROM THE
MID 90S TO LOW 100S. HEAT INDICES ARE LIKELY TO SURPASS 100
DEGREES FOR MANY AREAS MONDAY AFTERNOON.

THERE IS A SLIGHT RISK OF SEVERE STORMS ON MONDAY AFTERNOON INTO
MONDAY NIGHT. THE PRIMARY RISKS ARE LARGE HAIL AND DAMAGING WINDS.

GENERALLY LOW CHANCES FOR THUNDERSTORMS WILL CONTINUE THROUGH THE
END OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON INTO TONIGHT.

MF

Nearby

Heat Advisories in South Dakota, 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.