Alert archive / South Dakota / Heat Advisories in 2012

Heat Advisory 4, NWS Sioux Falls, SD

July 13, 20124 states

NWS Sioux Falls, SD issued this heat advisory at Jul 13, 2012, 3:42 PM CDT for 4 states. It took effect at Jul 15, 2012, 12:00 PM CDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Jul 13, 2012, 3:42 PM CDT (20:42 UTC)
In effect from
Jul 15, 2012, 12:00 PM CDT
Expired
Jul 16, 2012, 8:00 PM CDT
In force
32 hr
Issued by
NWS Sioux Falls, SD
All 45 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 16 km from the middle of the area, began a volume at 20:44 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, 8.7 hours before the alert went out and 202 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 2012-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 955 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 2012-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
955 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
1867 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
109 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.

797 
WWUS73 KFSD 132042
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
342 PM CDT FRI JUL 13 2012

.HOT TEMPERATURES WILL BUILD BACK INTO THE AREA LATE THIS WEEKEND
INTO EARLY NEXT WEEK. LOCATIONS ALONG AND WEST OF THE JAMES RIVER CAN
EXPECT MULTIPLE DAYS WITH HEAT INDEX READINGS TOPPING 100 DEGREES...
WITH LITTLE RELIEF AT NIGHT AS TEMPERATURES ONLY DROP INTO THE UPPER
70S.

SDZ038-050-052-053-057>060-063>065-068-069-140445-
/O.NEW.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
342 PM CDT FRI JUL 13 2012

...HEAT ADVISORY IN EFFECT FROM NOON SUNDAY TO 8 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY. 

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES WILL
  RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL ONLY COOL
  INTO THE UPPER 70S SUNDAY NIGHT...WITH HEAT INDEX READINGS ONCE
  AGAIN REACHING 100 TO 105 DEGREES MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED.
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.

&&

$$
13 follow-up statements
586 
WWUS73 KFSD 140241
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
941 PM CDT FRI JUL 13 2012

.HOT TEMPERATURES WILL BUILD BACK INTO THE AREA LATE THIS WEEKEND
INTO EARLY NEXT WEEK. LOCATIONS ALONG AND WEST OF THE JAMES RIVER
CAN EXPECT MULTIPLE DAYS WITH HEAT INDEX READINGS TOPPING
100 DEGREES... WITH LITTLE RELIEF AT NIGHT AS TEMPERATURES ONLY
DROP INTO THE UPPER 70S.

SDZ038-050-052-053-057>060-063>065-068-069-141045-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
941 PM CDT FRI JUL 13 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES 
  WILL RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL 
  ONLY COOL INTO THE UPPER 70S SUNDAY NIGHT...WITH HEAT INDEX 
  READINGS ONCE AGAIN REACHING 100 TO 105 DEGREES MONDAY 
  AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. 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.

&&

$$
248 
WWUS73 KFSD 140818
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
318 AM CDT SAT JUL 14 2012

.HOT TEMPERATURES WILL BUILD BACK INTO THE AREA LATE THIS WEEKEND
INTO EARLY NEXT WEEK. LOCATIONS ALONG AND WEST OF THE JAMES RIVER
CAN EXPECT MULTIPLE DAYS WITH HEAT INDEX READINGS TOPPING
100 DEGREES... WITH LITTLE RELIEF AT NIGHT AS TEMPERATURES ONLY
DROP INTO THE UPPER 70S.

SDZ038-050-052-053-057>060-063>065-068-069-141630-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
318 AM CDT SAT JUL 14 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES 
  WILL RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL 
  ONLY COOL INTO THE UPPER 70S SUNDAY NIGHT...WITH HEAT INDEX 
  READINGS ONCE AGAIN REACHING 100 TO 105 DEGREES MONDAY 
  AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. 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.

&&

$$
459 
WWUS73 KFSD 141705
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1205 PM CDT SAT JUL 14 2012

.HOT TEMPERATURES WILL BUILD BACK INTO THE AREA LATE THIS WEEKEND
INTO EARLY NEXT WEEK. LOCATIONS ALONG AND WEST OF THE JAMES RIVER
CAN EXPECT MULTIPLE DAYS WITH HEAT INDEX READINGS TOPPING
100 DEGREES... WITH LITTLE RELIEF AT NIGHT AS TEMPERATURES ONLY
DROP INTO THE UPPER 70S.

SDZ038-050-052-053-057>060-063>065-068-069-150115-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
1205 PM CDT SAT JUL 14 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES 
  WILL RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL 
  ONLY COOL INTO THE UPPER 70S SUNDAY NIGHT...WITH HEAT INDEX 
  READINGS ONCE AGAIN REACHING 100 TO 105 DEGREES MONDAY 
  AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. 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.

&&

$$
856 
WWUS73 KFSD 142022
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
322 PM CDT SAT JUL 14 2012

.HOT TEMPERATURES WILL BUILD BACK INTO THE AREA LATE THIS WEEKEND
INTO EARLY NEXT WEEK. LOCATIONS ALONG AND SOUTHWEST OF A LINE FROM
HURON...TO SIOUX FALLS...TO CHEROKEE IOWA CAN EXPECT MULTIPLE DAYS
WITH HEAT INDEX READINGS TOPPING 100 DEGREES...WITH LITTLE RELIEF AT
NIGHT AS TEMPERATURES ONLY DROP INTO THE 70S.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ054-061-062-066-067-070-
071-150430-
/O.EXA.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-MINER-
MCCOOK-MINNEHAHA-TURNER-LINCOLN-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HOWARD...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
322 PM CDT SAT JUL 14 2012

...HEAT ADVISORY IN EFFECT FROM NOON SUNDAY TO 8 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY. 

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES WILL
  RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL ONLY COOL
  INTO THE 70S SUNDAY NIGHT...WITH HEAT INDEX READINGS ONCE AGAIN
  CLIMBING TO AROUND 100 DEGREES MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED.
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.

&&

$$

SDZ038-050-052-053-057>060-063>065-068-069-150430-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
322 PM CDT SAT JUL 14 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES WILL
  RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL ONLY COOL
  INTO THE 70S SUNDAY NIGHT...WITH HEAT INDEX READINGS ONCE AGAIN
  REACHING 100 TO 105 DEGREES MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED.
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.

&&

$$
429 
WWUS73 KFSD 150141
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
841 PM CDT SAT JUL 14 2012

.HOT TEMPERATURES WILL BUILD BACK INTO THE AREA LATE THIS WEEKEND
INTO EARLY NEXT WEEK. LOCATIONS ALONG AND SOUTHWEST OF A LINE
FROM HURON...TO SIOUX FALLS...TO CHEROKEE IOWA CAN EXPECT
MULTIPLE DAYS WITH HEAT INDEX READINGS AROUND 100 DEGREES OR
HIGHER...WITH LITTLE RELIEF AT NIGHT AS TEMPERATURES ONLY DROP
INTO THE 70S.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
150945-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
841 PM CDT SAT JUL 14 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES WILL
  RETURN TO THE AREA SUNDAY AFTERNOON. TEMPERATURES WILL ONLY COOL
  INTO THE 70S SUNDAY NIGHT...WITH HEAT INDEX READINGS ONCE AGAIN
  CLIMBING TO AROUND 100 DEGREES OR HIGHER MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
357 
WWUS73 KFSD 150815
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
315 AM CDT SUN JUL 15 2012

..HOT TEMPERATURES CAN BE EXPECTED ACROSS THE AREA TODAY AND
PERSIST INTO MONDAY. EXPECT MULTIPLE DAYS WITH HEAT INDEX
READINGS AROUND 100 DEGREES OR HIGHER...WITH LITTLE RELIEF AT
NIGHT AS TEMPERATURES ONLY DROP INTO THE 70S.

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-151615-
/O.EXB.KFSD.HT.Y.0004.120716T1600Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
315 AM CDT SUN JUL 15 2012

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HEAT
ADVISORY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY. 

* WEATHER CONDITIONS...HEAT INDEX VALUES NEAR 100 DEGREES CAN BE
  EXPECTED MONDAY AFTERNOON INTO EARLY MONDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
151615-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
315 AM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES
  WILL OCCUR THIS AFTERNOON AND EARLY EVENING AND AGAIN MONDAY
  AFTERNOON AND EVENING. TEMPERATURES WILL ONLY COOL INTO THE 70S
  TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
234 
WWUS73 KFSD 151620
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1120 AM CDT SUN JUL 15 2012

..HOT TEMPERATURES CAN BE EXPECTED ACROSS THE AREA TODAY AND
PERSIST INTO MONDAY. EXPECT MULTIPLE DAYS WITH HEAT INDEX
READINGS AROUND 100 DEGREES OR HIGHER...WITH LITTLE RELIEF AT
NIGHT AS TEMPERATURES ONLY DROP INTO THE 70S.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
160030-
/O.CON.KFSD.HT.Y.0004.120715T1700Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1120 AM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES 
  WILL OCCUR THIS AFTERNOON AND EARLY EVENING AND AGAIN MONDAY 
  AFTERNOON AND EVENING. TEMPERATURES WILL ONLY COOL INTO THE 
  70S TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-160030-
/O.CON.KFSD.HT.Y.0004.120716T1600Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
1120 AM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES NEAR 100 DEGREES CAN BE 
  EXPECTED MONDAY AFTERNOON INTO EARLY MONDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
716 
WWUS73 KFSD 151957
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
257 PM CDT SUN JUL 15 2012

..HOT TEMPERATURES CAN BE EXPECTED ACROSS THE AREA INTO MONDAY.
EXPECT MULTIPLE DAYS WITH HEAT INDEX READINGS AROUND 100 DEGREES OR
HIGHER...WITH LITTLE RELIEF TONIGHT AS TEMPERATURES ONLY DROP INTO
THE 70S.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
160400-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
257 PM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 108 DEGREES WILL
  PERSIST THROUGH THE EARLY EVENING AND WILL RETURN AGAIN MONDAY
  AFTERNOON AND EVENING. TEMPERATURES WILL ONLY COOL INTO THE 70S
  TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-160400-
/O.CON.KFSD.HT.Y.0004.120716T1600Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
257 PM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES CAN BE
  EXPECTED MONDAY AFTERNOON INTO EARLY MONDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
728 
WWUS73 KFSD 160155
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
855 PM CDT SUN JUL 15 2012

.HOT TEMPERATURES CAN BE EXPECTED ACROSS THE AREA INTO MONDAY.
LITTLE RELIEF FROM THE HEAT WILL BE FELT TONIGHT AS TEMPERATURES
ONLY FALL INTO THE 70S. MONDAY WILL SEE THE HEAT EXPAND EASTWARD...
WITH HEAT INDEX READINGS OF 100 DEGREES OR HIGHER EXPECTED ACROSS THE
AREA. 

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
161000-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
855 PM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT MONDAY...

* WEATHER CONDITIONS...TEMPERATURES WILL ONLY COOL INTO THE 70S
  TONIGHT...WITH READINGS CLIMBING QUICKLY AGAIN ON MONDAY. HEAT
  INDEX VALUES OF 100 TO 108 DEGREES ARE AGAIN EXPECTED MONDAY
  AFTERNOON AND EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-161000-
/O.CON.KFSD.HT.Y.0004.120716T1600Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
855 PM CDT SUN JUL 15 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
MONDAY...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES 
  CAN BE EXPECTED MONDAY AFTERNOON INTO EARLY MONDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
533 
WWUS73 KFSD 160755
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
255 AM CDT MON JUL 16 2012

.HEAT INDEX READINGS OF 100 DEGREES OR HIGHER EXPECTED ACROSS THE
AREA ESPECIALLY DURING THE AFTERNOON AND EARLY EVENING HOURS TODAY.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
161600-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
255 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 108 DEGREES ARE
  EXPECTED THIS AFTERNOON AND EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-161600-
/O.CON.KFSD.HT.Y.0004.120716T1600Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
255 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM CDT THIS EVENING...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES CAN
  BE EXPECTED THIS AFTERNOON INTO EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
268 
WWUS73 KFSD 161604
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1104 AM CDT MON JUL 16 2012

.HEAT INDEX READINGS OF 100 DEGREES OR HIGHER EXPECTED ACROSS THE
AREA ESPECIALLY DURING THE AFTERNOON AND EARLY EVENING HOURS
TODAY.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
170015-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1104 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 108 DEGREES 
  ARE EXPECTED THIS AFTERNOON AND EARLY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-170015-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
1104 AM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES 
  CAN BE EXPECTED THIS AFTERNOON INTO EARLY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
466 
WWUS73 KFSD 162057
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
357 PM CDT MON JUL 16 2012

.HEAT INDEX READINGS OF 100 DEGREES OR HIGHER WILL CONTINUE ACROSS
THE AREA INTO EARLY THIS EVENING. LESS HOT WEATHER IS EXPECTED FOR
TUESDAY.

IAZ001-012-020-021-031-032-NEZ013-014-SDZ038-050-052>054-057>071-
170100-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
LYON-SIOUX-PLYMOUTH-CHEROKEE-WOODBURY-IDA-DIXON-DAKOTA-BEADLE-
GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...CHEROKEE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
357 PM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 110 DEGREES
  WILL CONTINUE INTO THE EARLY EVENING. THE INDEX WILL DROP BELOW
  100 DEGREES BEFORE SUNSET. LESS HOT WEATHER IS EXPECTED FOR
  TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$

IAZ002-003-013-014-022-MNZ071-072-080-081-089-090-097-098-SDZ039-
040-055-056-170100-
/O.CON.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...MADISON...
FLANDREAU
357 PM CDT MON JUL 16 2012

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WEATHER CONDITIONS...HEAT INDEX VALUES OF 100 TO 105 DEGREES
  WILL CONTINUE INTO THE START OF THIS EVENING...THEN ABATE SLOWLY
  BY SUNSET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING
CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. CHECK UP ON
RELATIVES AND NEIGHBORS...AND DO NOT LEAVE CHILDREN OR PETS
UNATTENDED IN VEHICLES.

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.

&&

$$
366 
WWUS73 KFSD 170102
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
802 PM CDT MON JUL 16 2012

.THE HEAT INDEX HAS ABATED FOR THE EVENING...AND IS NOT EXPECTED
TO RETURN TO ADVISORY LEVELS TUESDAY.

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-170215-
/O.EXP.KFSD.HT.Y.0004.000000T0000Z-120717T0100Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-BROOKINGS-GREGORY-
JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-
YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...HURON...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...GREGORY...
BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
802 PM CDT MON JUL 16 2012

...HEAT ADVISORY HAS EXPIRED...

THE HEAT INDEX HAD DROPPED BELOW 100 DEGREES AS SUNSET APPROACHES.
LESS HOT WEATHER IS EXPECTED FOR TUESDAY.

$$

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 Sioux Falls, SD wrote its last area forecast discussion before this heat advisory went out at Jul 13, 3:30 PM CDT, 12 minutes earlier.

Area forecast discussion, Jul 13, 3:30 PM CDT, 12 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
330 PM CDT FRI JUL 13 2012

.DISCUSSION.../ISSUED AT 330 PM CDT/
AN UPPER LEVEL WAVE CONTINUES TO MOVE SOUTHEAST THROUGH SW MN AND
TOWARD NORTH CENTRAL IOWA. A FEW THUNDERSTORMS HAVE DEVELOP NEAR THE
BUFFALO RIDGE IN SW MN WITH CU AND EVEN AN ISOLATED SPRINKLE AS FAR
WEST AS KINGSBURY COUNTY.  AS THE WAVE CONTINUE TO MOVE
SOUTHEAST...EXPECT A FEW MORE STORMS TO DEVELOP IN SW MN AND EVEN
INTO THE IOWA GREAT LAKES BY SPIRIT LAKE AND SPENCER.  STORM
COVERAGE WILL REMAIN FAIRLY ISOLATED...BUT A FEW LOCALES COULD SEE
SOME DECENT RAINFALL GIVEN THE SLOW MOVEMENT...PERHAPS AN INCH OR
TWO. UNFORTUNATELY...MOST AREAS ARE LIKELY TO SEE NO RAINFALL. WITH
LOSS OF HEATING TOWARD SUNSET AND THE WAVE MOVING EAST...EXPECT THAT
STORMS WILL MOVE EAST OF THE AREA. WITH DRY AIR MIXING DOWN AND
WINDS LIGHT AND VARIABLE...DID LOWER MIN TEMPS INTO THE MID 60S IN
MOST AREAS.

A WEAK BOUNDARY WILL MOVE SOUTH THROUGH THE AREA ON SATURDAY.
MOISTURE IS VERY LIMITED SO NOT EXPECTING CONVECTION. INSTEAD...WILL
SEE WINDS BEHIND THE BOUNDARY GO EAST OR ESE DURING THE MORNING. MAY
ALSO SEE A SCATTERED CUMULUS DURING THE LATE MORNING AND AFTERNOON.
HIGHS IN THE MISSOURI VALLEY WILL BE AS WARM OR EVEN A COUPLE OF
DEGREES WARMER TODAY WITH LIGHT WINDS AND 925 MB TEMPS AGAIN ABOVE
30C. TO THE NORTH..WITH A LITTLE COLD AIR ADVECTION...TEMPERATURES
WILL BE A COUPLE OF DEGREES COOLER IN THE UPPER 80S TO LOWER 90S.
HOWEVER...THIS WILL BE OFFSET BY THE FACT THAT DEW POINTS WILL BE A
COUPLE OF DEGREES HIGHER SO IT WILL FEEL ABOUT AS WARM TOMORROW AS
IT IS TODAY./SCHUMACHER

SOUTHERLY FLOW INCREASES IN EARNEST ON SUNDAY AHEAD OF A LOW
PRESSURE SYSTEM MOVING OUT OF THE NORTHERN ROCKIES.  WITH THE GULF
OPEN THROUGHOUT THE WEEKEND...DEW POINTS SHOULD BE A LITTLE MORE
ROBUST WITH LITTLE FALL DUE TO MIXING. ELEVATED INVERSION WILL HELP
LIMIT MIXING POTENTIAL AS WELL. WITH 925 HPA TEMPS FROM 33 TO 35 C
HAVE ISSUED A SMALL HEAT ADVISORY FOR LOCATIONS ALONG AND WEST OF
THE JAMES RIVER WHERE ADVISORY CRITERIA IS A NEAR CERTAINTY.  IT IS
CERTAINLY POSSIBLE FURTHER SHIFTS MAY NEED TO EXPAND THE ADVISORY
EAST...POSSIBLY INCLUDING THE I-29 CORRIDOR. THE ADVISORY RUNS
THROUGH MONDAY EVENING WITH VERY WARM LOWS SUNDAY NIGHT WITH 30-35
KNOT LOW LEVEL JET KEEPING TEMPERATURES IN THE UPPER 70S TO NEAR
80.  MONDAY 925 HPA TEMPERATURES ARE JUST AS WARM AS SUNDAY...BUT
WITH A WESTERLY COMPONENT TO THE WINDS TEMPERATURE MAY TRY TO CLIMB
EVEN FURTHER.  MODELS SUGGEST THERE WOULD BE A FAIRLY HEALTHY DECK
OF MID-HIGH CLOUDS...SO FOR NOW...HAVE SIMILAR FORECAST HIGHS ON
BOTH SUNDAY INTO MONDAY.

UPPER WAVE CURRENTLY OVER THE ROCKIES IS DEFLECTED NORTH OF THE
FORECAST AREA OVER THE WEEKEND...BUT ASSOCIATED FRONT IS EXPECTED TO
MOVE THROUGH THE AREA TUESDAY NIGHT.  FRONT HAS LITTLE UPPER LEVEL
SUPPORT SO STILL SOME QUESTION AS TO HOW MUCH OF THE FORECAST AREA
WILL SEE A BRIEF COOL DOWN MID WEEK.

UPPER LEVEL HEIGHTS REBOUNDS QUITE QUICKLY WEDNESDAY INTO
THURSDAY...BUT ECMWF AND GFS CONTINUE TO DEVELOP CONVECTION ACROSS
THE AREA THROUGH LATE IN THE WEEK.  MODEL CONSENSUS SUGGESTS A WAVE
MOVING THROUGH THE AREA WEDNESDAY NIGHT...BUT WITH UPPER LEVEL RIDGE
BUILDING BACK INTO THE REGION...LACK OF FLOW ALOFT...AND DRY
CONDITIONS AS OF LATE...HAVE CONTINUED DRY FORECAST.

THURSDAY INTO FRIDAY LOOK POTENTIALLY HEADLINE WARM AS THE RIDGE
BUILDS BACK INTO THE REGION...BUT IF CONVECTION CLOUDS THE
FORECAST...COULD BE MUCH COOLER THAN CURRENT FORECAST.  FOR
NOW...STUCK CLOSE TO CONSALL SOLUTION TILL BETTER AGREEMENT IS
REACHED AMONGST THE MODELS.

&&

.AVIATION.../FOR THE 18Z TAF ISSUANCE/
VFR CONDITIONS WITH WINDS LESS THAN 10 KTS EXPECTED THROUGH 18Z AT
ALL TAF SITES. THERE COULD BE A COUPLE OF THUNDERSTORMS EAST OF HWY
75 THIS AFTERNOON AND EAST OF HWY 71 IN THE EVENING. BASES EXPECTED
TO BE ABOVE 3000 FT BUT LOCALLY VSBYS COULD FALL TO LESS THAN 6SM
FOR A VERY BRIEF PERIOD. ANY STORMS THAT DO DEVELOP SHOULD BE EAST
OF THE AREA BY 02Z./SCHUMACHER

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...NONE.
MN...NONE.
NE...NONE.
SD...HEAT ADVISORY FROM NOON SUNDAY TO 8 PM CDT MONDAY FOR SDZ038-050-
     052-053-057>060-063>065-068-069.

&&
Hazardous weather outlook, Jul 13, 11:25 AM CDT, 4 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1125 AM CDT FRI JUL 13 2012

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-141200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
1125 AM CDT FRI JUL 13 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS...
ISOLATED THUNDERSTORMS WILL REMAIN POSSIBLE OVER PARTS OF
NORTHWEST IOWA AND SOUTHWEST MINNESOTA TODAY BUT THESE STORMS ARE
NOT EXPECTED TO BECOME SEVERE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

WINDY AND HOT CONDITIONS WILL DEVELOP ON SUNDAY WITH HIGH
TEMPERATURES OF 100 TO 105 EXPECTED WEST OF THE JAMES RIVER AND
AROUND 100 ALONG THE JAMES RIVER VALLEY TOWARDS YANKTON. ALONG
WITH THE HOT CONDITIONS SOUTH WINDS OF 20 TO 25 MPH ALONG WITH
AFTERNOON RELATIVE HUMIDITIES AROUND 25 PERCENT IN SOUTH CENTRAL
SOUTH DAKOTA WILL LEAD TOWARDS POSSIBLE FIRE WEATHER CONCERNS IN
AREAS OF ALREADY DRY VEGETATION.

VERY HOT AND SOMEWHAT BREEZY CONDITIONS WILL BE IN PLACE AGAIN ON
MONDAY WITH HIGHS OF 95 TO 105 ACROSS THE ENTIRE AREA. WHILE
TUESDAY AND WEDNESDAY MAY BRING A BRIEF REPRIEVE FROM THE
EXCESSIVE HEAT...THURSDAY INTO NEXT WEEKEND BODES POORLY WITH HOT
AND DRY CONDITIONS EXPECTED TO REDEVELOP.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

In the hours before

Local storm report, Jul 13, 2:03 PM CDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
203 PM CDT FRI JUL 13 2012

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

0150 PM     HAIL             5 SW TAUNTON            44.54N 96.14W
07/13/2012  E0.75 INCH       LINCOLN            MN   TRAINED SPOTTER

&&

BT

Nearby

Heat Advisories in South Dakota, 2012Heat Advisories in Iowa, 2012Heat Advisories in Minnesota, 2012Every heat advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.