Alert archive / Iowa / Excessive Heat Warnings in 2012
Excessive Heat Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this excessive heat warning at Jul 4, 2012, 3:31 PM CDT for 4 states. It took effect at Jul 5, 2012, 1:00 PM CDT. It was in force for 30 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2012, 3:31 PM CDT (20:31 UTC)
- In effect from
- Jul 5, 2012, 1:00 PM CDT
- Expired
- Jul 6, 2012, 7:00 PM CDT
- In force
- 30 hr
- Issued by
- NWS Sioux Falls, SD
All 22 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, Nobles County, MN, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Clay County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 78 km from the middle of the area, began a volume at 20:36 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
Omaha, NE (KOAX), launched 12:00Z, 8.5 hours before the alert went out and 193 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.
- Mixed-layer CAPE
- 483 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 2028 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
243 WWUS73 KFSD 042032 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 331 PM CDT WED JUL 4 2012 .AN EXTENDED PERIOD OF HOT AND HUMID WEATHER WILL CONTINUE THROUGH FRIDAY OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA. HIGHS IN THE 90S TO A LITTLE ABOVE 100 CAN BE EXPECTED...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 95 TO 110 DEGREES EACH DAY. THIS HEAT ADVISORY WILL BE CONTINUOUS DUE TO OVERNIGHT TEMPERATURES ONLY FALLING INTO THE 70S. A WEAK COLD FRONT MOVING INTO THE REGION COULD SLIGHTLY ALLEVIATE EXCESSIVE HEAT BY FRIDAY NORTH OF INTERSTATE 90. HOWEVER HUMIDITY WILL INCREASE ALONG AND ON BOTH SIDES OF THIS FRONT...AND THE HIGHER HUMIDITY MAY COUNTER ANY TEMPERATURE DROP. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-050445- /O.NEW.KFSD.EH.W.0001.120705T1800Z-120707T0000Z/ /O.EXT.KFSD.HT.Y.0003.000000T0000Z-120705T1800Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 331 PM CDT WED JUL 4 2012 ...HEAT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THURSDAY... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 1 PM THURSDAY TO 7 PM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT FROM 1 PM THURSDAY TO 7 PM CDT FRIDAY. * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 110 DEGREES EACH DAY. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND REMAIN AROUND THE MIDDLE 70S OR A LITTLE WARMER. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-050445- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 331 PM CDT WED JUL 4 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 105 DEGREES EACH DAY. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND REMAIN AROUND THE MIDDLE 70S OR A LITTLE WARMER. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
8 follow-up statements
416 WWUS73 KFSD 050425 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1125 PM CDT WED JUL 4 2012 .AN EXTENDED PERIOD OF HOT AND HUMID WEATHER WILL CONTINUE THROUGH FRIDAY OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA. HIGHS IN THE 90S TO A LITTLE ABOVE 100 CAN BE EXPECTED...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 95 TO 110 DEGREES EACH DAY. THIS HEAT ADVISORY WILL BE CONTINUOUS DUE TO OVERNIGHT TEMPERATURES ONLY FALLING INTO THE 70S. A WEAK COLD FRONT MOVING INTO THE REGION COULD SLIGHTLY ALLEVIATE EXCESSIVE HEAT BY FRIDAY NORTH OF INTERSTATE 90. HOWEVER HUMIDITY WILL INCREASE ALONG AND ON BOTH SIDES OF THIS FRONT...AND THE HIGHER HUMIDITY MAY COUNTER ANY TEMPERATURE DROP. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-051230- /O.CON.KFSD.EH.W.0001.120705T1800Z-120707T0000Z/ /O.CON.KFSD.HT.Y.0003.000000T0000Z-120705T1800Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 1125 PM CDT WED JUL 4 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 110 DEGREES EACH DAY. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND REMAIN AROUND THE MIDDLE 70S OR A LITTLE WARMER. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-051230- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 1125 PM CDT WED JUL 4 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 105 DEGREES EACH DAY. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND REMAIN AROUND THE MIDDLE 70S OR A LITTLE WARMER. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
567 WWUS73 KFSD 050847 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 347 AM CDT THU JUL 5 2012 .AN EXTENDED PERIOD OF HOT AND HUMID WEATHER WILL CONTINUE THROUGH FRIDAY OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA. HIGHS IN THE 90S TO A LITTLE ABOVE 100 CAN BE EXPECTED...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 95 TO 110 DEGREES EACH DAY. THIS HEAT ADVISORY WILL BE CONTINUOUS DUE TO THE HEAT INDEX AGAIN FALLING ONLY INTO THE 70S AND LOWER 80S TONIGHT. A WEAK COLD FRONT MOVING INTO THE REGION WILL BRING TEMPERATURES THAT ARE A LITTLE LESS HOT TODAY AND FRIDAY NORTH OF INTERSTATE 90. HOWEVER HUMIDITY WILL INCREASE ALONG AND ON BOTH SIDES OF THIS FRONT...AND THE HIGHER HUMIDITY WILL COUNTER THE SLIGHT TEMPERATURE DROP. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-051700- /O.CON.KFSD.EH.W.0001.120705T1800Z-120707T0000Z/ /O.CON.KFSD.HT.Y.0003.000000T0000Z-120705T1800Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 347 AM CDT THU JUL 5 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 100 TO 110 DEGREES. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND BE IN THE MIDDLE 70S TO LOWER 80S. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-051700- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 347 AM CDT THU JUL 5 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 105 DEGREES. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND BE IN THE 70S. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
397 WWUS73 KFSD 051625 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1125 AM CDT THU JUL 5 2012 .AN EXTENDED PERIOD OF HOT AND HUMID WEATHER WILL CONTINUE THROUGH FRIDAY OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA. HIGHS IN THE 90S TO A LITTLE ABOVE 100 CAN BE EXPECTED...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 95 TO 110 DEGREES EACH DAY. THIS HEAT ADVISORY WILL BE CONTINUOUS DUE TO THE HEAT INDEX AGAIN FALLING ONLY INTO THE 70S AND LOWER 80S TONIGHT. A WEAK COLD FRONT MOVING INTO THE REGION WILL BRING TEMPERATURES THAT ARE A LITTLE LESS HOT TODAY AND FRIDAY NORTH OF INTERSTATE 90. HOWEVER HUMIDITY WILL INCREASE ALONG AND ON BOTH SIDES OF THIS FRONT...AND THE HIGHER HUMIDITY WILL COUNTERACT THE SLIGHT TEMPERATURE DROP. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-060030- /O.CON.KFSD.EH.W.0001.120705T1800Z-120707T0000Z/ /O.CON.KFSD.HT.Y.0003.000000T0000Z-120705T1800Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 1125 AM CDT THU JUL 5 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 100 TO 110 DEGREES. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND BE IN THE MIDDLE 70S TO LOWER 80S. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-060030- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 1125 AM CDT THU JUL 5 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 105 DEGREES. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND BE IN THE 70S. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
907 WWUS73 KFSD 052036 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 336 PM CDT THU JUL 5 2012 .AN EXTENDED PERIOD OF HOT AND HUMID WEATHER WILL CONTINUE THROUGH FRIDAY OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA. HIGHS IN THE 90S TO A LITTLE ABOVE 100 CAN BE EXPECTED...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 95 TO 110 DEGREES EACH DAY. THIS HEAT ADVISORY WILL BE CONTINUOUS DUE TO THE HEAT INDEX AGAIN FALLING ONLY INTO THE 70S AND LOWER 80S TONIGHT. A WEAK COLD FRONT MOVING INTO THE REGION WILL BRING TEMPERATURES THAT ARE A LITTLE LESS HOT TODAY AND FRIDAY NORTH OF INTERSTATE 90. HOWEVER HUMIDITY WILL INCREASE ALONG AND ON BOTH SIDES OF THIS FRONT...AND THE HIGHER HUMIDITY WILL COUNTERACT THE SLIGHT TEMPERATURE DROP. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-060445- /O.CON.KFSD.EH.W.0001.000000T0000Z-120707T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 336 PM CDT THU JUL 5 2012 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 100 TO 110 DEGREES. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND BE IN THE MIDDLE 70S TO LOWER 80S. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-060445- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 336 PM CDT THU JUL 5 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE INTO FRIDAY AS HIGH TEMPERATURES MOSTLY IN THE 90S COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 95 TO 105 DEGREES. THE COOLEST NIGHTTIME HEAT INDEX WILL ALSO BE A BIT UNCOMFORTABLE AND BE IN THE 70S. MORE IMPORTANTLY...NON VENTILATED INDOOR ROOMS WILL RETAIN MUCH OF THE DAYTIME HEAT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
048 WWUS73 KFSD 060852 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 352 AM CDT FRI JUL 6 2012 .AN EXTENDED PERIOD OF HOT AND HUMID WEATHER WILL CONTINUE TODAY BEFORE COMING TO AN END BY EARLY EVENING. AS LOW PRESSURE AND A COLD FRONT APPROACH THE AREA FROM THE WEST...TEMPERATURES WILL ACTUALLY WARM AND HUMIDITY LEVELS WORSEN OVER WHAT THEY WERE THURSDAY IN MANY PLACES. COOLING BEHIND THE FRONT MAY BEGIN OVER THE FAR NORTHWEST PART OF THE AREA LATE THIS AFTERNOON...THEN PROGRESS OVER THE REST OF THE AREA THIS EVENING. UNTIL THEN...TEMPERATURES ARE EXPECTED TO WARM INTO THE 90S TO A LITTLE ABOVE 100. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 96 TO 112 DEGREES THIS AFTERNOON. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-061700- /O.CON.KFSD.EH.W.0001.000000T0000Z-120707T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 352 AM CDT FRI JUL 6 2012 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY. HIGH TEMPERATURES IN THE 90S TO JUST ABOVE 100 WILL COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 100 TO 112 DEGREES. RELIEF IS EXPECTED TO BEGIN BY EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-061700- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 352 AM CDT FRI JUL 6 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WEATHER CONDITIONS...AN EXTENDED PERIOD OF UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY. HIGH TEMPERATURES IN THE 90S TO JUST ABOVE 100 WILL COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 96 TO 110 DEGREES. RELIEF IS EXPECTED TO BEGIN BY EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
279 WWUS73 KFSD 061601 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1101 AM CDT FRI JUL 6 2012 .ONE FINAL DAY OF HOT AND HUMID WEATHER IS EXPECTED AHEAD OF A COLD FRONT APPROACH THE AREA FROM THE WEST. TEMPERATURES WILL ACTUALLY WARM AND HUMIDITY LEVELS WORSEN OVER WHAT THEY WERE THURSDAY IN MANY PLACES. COOLING BEHIND THE FRONT MAY BEGIN OVER THE FAR NORTHWEST PART OF THE AREA LATE THIS AFTERNOON...THEN PROGRESS OVER THE REST OF THE AREA THIS EVENING. UNTIL THEN... TEMPERATURES ARE EXPECTED TO WARM INTO THE 90S TO A LITTLE ABOVE 100. THESE HOT TEMPERATURES WILL COMBINE WITH HIGH HUMIDITY TO CAUSE THE HEAT INDEX TO WARM TO 96 TO 112 DEGREES THIS AFTERNOON. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-070000- /O.CON.KFSD.EH.W.0001.000000T0000Z-120707T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 1101 AM CDT FRI JUL 6 2012 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WEATHER CONDITIONS...OPPRESSIVE HEAT WILL CONTINUE TODAY. HIGH TEMPERATURES IN THE 90S TO JUST ABOVE 100 WILL COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 105 TO 112 DEGREES. RELIEF IS EXPECTED TO BEGIN BY EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. 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. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-070000- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 1101 AM CDT FRI JUL 6 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WEATHER CONDITIONS...UNCOMFORTABLY HOT WEATHER WILL CONTINUE TODAY. HIGH TEMPERATURES IN THE 90S TO JUST ABOVE 100 WILL COMBINE WITH HIGH HUMIDITY TO PRODUCE HEAT INDEX VALUES OF 96 TO 105 DEGREES. RELIEF IS EXPECTED TO BEGIN BY EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
958 WWUS73 KFSD 062025 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 325 PM CDT FRI JUL 6 2012 .THE EXCESSIVE HEAT WILL FINALLY COME TO AN END TONIGHT AS A COLD FRONT MOVES SOUTHWARD ACROSS THE AREA. HEAT INDEX VALUES WILL COOL OFF THROUGH THE EVENING HOURS...AND WILL ONLY BE IN THE MID 60S TO LOWER 70S BY LATE TONIGHT. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-070000- /O.CON.KFSD.EH.W.0001.000000T0000Z-120707T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 325 PM CDT FRI JUL 6 2012 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WEATHER CONDITIONS...OPPRESSIVE HEAT WILL CONTINUE UNTIL EARLY EVENING...AND WILL THEN COME TO AN END AS A COLD FRONT MOVES THROUGH THE AREA. HEAT INDEX VALUES WILL TOP OUT AT 105 TO 110 LATE THIS AFTERNOON AND EARLY EVENING...AND WILL COOL OFF INTO THE UPPER 60S TO LOWER 70S BY LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. && $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-070000- /O.CON.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 325 PM CDT FRI JUL 6 2012 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WEATHER CONDITIONS...HEAT INDEX VALUES WILL TOP OUT IN THE 90S TO AROUND 100 DEGREES LATE THIS AFTERNOON...AND WILL THEN COOL OFF DRAMATICALLY AS A COLD FRONT MOVES SOUTH OF THIS AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. && $$
108 WWUS73 KFSD 062357 NPWFSD URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 657 PM CDT FRI JUL 6 2012 IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ066>071-070100- /O.EXP.KFSD.EH.W.0001.000000T0000Z-120707T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- TURNER-LINCOLN-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...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...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 657 PM CDT FRI JUL 6 2012 ...EXCESSIVE HEAT WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... TEMPERATURES WILL CONTINUE TO FALL THROUGH THIS EVENING...WITH HEAT INDICES EXPECTED TO DROP BELOW 100 SHORTLY. A COLD FRONT PUSHING THROUGH THIS EVENING AND OVERNIGHT WILL USHER IN COOLER TEMPERATURES FOR TOMORROW...WITH HIGHS IN THE 80S EXPECTED. $$ MNZ071-072-080-097-098-SDZ038>040-050-052>065-070100- /O.EXP.KFSD.HT.Y.0003.000000T0000Z-120707T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS- GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... HURON...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS... GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 657 PM CDT FRI JUL 6 2012 ...HEAT ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... HEAT INDICES HAVE OR WILL SHORTLY FALL BELOW 100 ACROSS THE ADVISORY AREA. A COLD FRONT PUSHING THROUGH THE REGION WILL BRING COOLER TEMPERATURES TOMORROW...WITH HIGHS IN THE 80S EXPECTED. $$
What forecasters said that day
The local office's own words before this excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this excessive heat warning went out at Jul 4, 1:00 PM CDT, 2 hours 31 minutes earlier.
Area forecast discussion, Jul 4, 1:00 PM CDT, 2 hours 31 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
100 PM CDT WED JUL 4 2012
.DISCUSSION.../ISSUED AT 1010 AM CDT/
FORECAST PRETTY MUCH ON TRACK THIS MORNING...THOUGH DID HAVE TO
LOWER DEWPOINTS A BIT IN OUR SOUTHWEST WHERE DEW POINTS HAVE BEEN
FALLING THROUGH THE LATE MORNING...JUST AS THEY HAVE DONE OVER THE
PAST COUPLE OF DAYS. OTHERWISE...IN TERMS OF HEADLINES WILL KEEP THE
HEAT ADVISORY GOING TODAY...EVEN THOUGH A FEW SPOTS MAY TECHNICALLY
REACH WARNING CRITERIA...THOUGH WILL BE FAIRLY ISOLATED. WILL MOST
LIKELY HAVE TO UPGRADE PARTS OF THE SOUTHEASTERN CWA TO A EXCESSIVE
HEAT WARNING FOR THURSDAY AND FRIDAY AFTERNOON HOWEVER...THOUGH WILL
WAIT UNTIL THE NEWER FORECAST IS PRODUCED TO DEFINE THAT AREA BETTER.
&&
.AVIATION.../FOR THE 18Z TAF ISSUANCE/
VFR CONDITIONS EXPECTED THROUGH 05/18Z. THERE REMAINS A VERY LOW
THREAT FOR THUNDERSTORMS FROM AROUND 05/00Z THROUGH 05/06Z IN
CENTRAL SOUTH DAKOTA...INCLUDING THE KHON AREA. THREAT WILL BE LOW
ENOUGH TO LEAVE OUT MENTION IN THE TAF. BOUNDARY MOVING THROUGH THE
AREA THIS AFTERNOON AND OVERNIGHT WILL BRING ABOUT A GRADUAL WIND
SHIFT TO THE NORTH BEHIND THE FRONT.
&&
.PREV DISCUSSION.../ISSUED AT 600 AM CDT/
A HOT HUMID HOLIDAY HAZARD AS WE HAVE BEEN ADVERTISING. THUNDERSTORM
CHANCE SEEMS MINIMAL ENOUGH TO KEEP OUT. AFTER TODAY MODELS DIFFER
ON PROGRESS OF WEAK FRONT INTO THE REGION. ENOUGH OF A GRADUAL
INCREASE IN UPPER FLOW TO GO WITH THE MOISTURE AND BOUNDARY TO
GRADUALLY BRING THUNDERSTORM THREAT IN FROM THE NORTHWEST STARTING
TONIGHT...BUT LESS THREAT AND LESS FAST THAN SOME OF THE GUIDANCE.
MODELS STILL SEEM TO BE TENDING TO BRING THE FRONT DOWN OVER OUR
AREA TOO FAST THOUGH THERE DOES APPEAR TO BE A LITTLE SLOWDOWN FROM
THE DAY RUNS. MOST NOTABLY SOME SLOW DAYTIME COOLING FROM THE
NORTH...PARTLY DUE TO CLOUD AND MOISTURE INCREASE...WILL BE BALANCED
BY THAT SAME POOING MOISTURE AND HIGH DEW POINTS OVER MORE OF THE
AREA THAN AT PRESENT. THIS TREND WILL PREVAIL THROUGH FRIDAY AT A
SLOW PACE AND GUARANTEE HIGH LOW LEVEL MOISTURE AND DEWPOINTS OVER
THE AREA INCLUDING THE WEST WHERE THEY ARE NOT QUITE THAT HIGH NOW.
SO...THOUGH HEAT INDEX VALUES IN CURRENT GRIDS ARE A LITTLE BELOW
ADVISORY CRITERIA BY FRIDAY...I WILL KEEP THE ADVISORY GOING THROUGH
THAT TIME FOR THE AREA TO ALLOW FOR A POSSIBLE FURTHER SLOWDOWN IN
THE COOLING TO GO WITH THE GUARANTEED HIGH SURFACE DEWPOINTS/
HUMIDITY.
BY FRIDAY NIGHT INTO THE WEEKEND THE SLOW MOVING FRONT SHOULD EDGE
FURTHER SOUTH OVER AND THROUGH AREA. WITH THE SLOW MOVEMENT SHOWERS
AND STORMS WILL TEND TO BE ALONG AND NORTH OF THE FRONT SO THIS WILL
BE OUR MAIN CHANCE...WHILE SLOW SURFACE COOLING CONTINUES. WILL
LEAVE A SLIGHT CHANCE OF STORMS IN OUR FAR SOUTH/SOUTHWEST AS LATE
AS MONDAY TO ALLOW FOR THE SLOWER EC SOLUTION WHILE GFS SUGGESTS DRY
ACROSS THE BOARD. OTHERWISE MONDAY THROUGH TUESDAY NIGHT LOOKS DRY
WITH SEASONABLE TEMPERATURES.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR IAZ001>003-012>014-
020>022-031-032.
MN...HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR MNZ071-072-080-081-089-
090-097-098.
NE...HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR NEZ013-014.
SD...HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR SDZ038>040-050-052>071.
&&Hazardous weather outlook, Jul 4, 3:30 PM CDT, 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 330 PM CDT WED JUL 04 2012 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-051200- 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- 330 PM CDT WED JUL 04 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS... ISOLATED STORMS ARE POSSIBLE TONIGHT ACROSS THE AREA...THOUGH AT THIS TIME...THE PROBABILITY OF STORM DEVELOPMENT IS TOO LOW TO WARRANT THE MENTION OF POSSIBLE SEVERE WEATHER. EXCESSIVE TEMPERATURES... A HEAT ADVISORY IS IN EFFECT FOR TODAY. HEAT INDEX VALUES ARE EXPECTED TO REACH 105 TO 110 DEGREES THIS AFTERNOON...AS ACTUAL TEMPERATURES REACH THE UPPER 90S TO A LITTLE ABOVE 100. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A HEAT ADVISORY WILL REMAIN IN EFFECT THURSDAY INTO FRIDAY OVER AREAS OF THE NORTH AND WEST...WITH DAYTIME HEAT INDEX VALUES AVERAGING 100 TO 105 DEGREES...AND OVERNIGHT HEAT INDEX VALUES ONLY FALLING INTO THE 70S. TO THE SOUTH AND EAST...AN EXCESSIVE HEAT WARNING WILL TAKE EFFECT ON THURSDAY AFTERNOON INTO FRIDAY...WHERE DAYTIME HEAT INDEX VALUES WILL AVERAGE 105 TO 110 DEGREES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS UNLIKELY FOR TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
Nearby
Excessive Heat Warnings in Iowa, 2012Excessive Heat Warnings in South Dakota, 2012Excessive Heat Warnings in Minnesota, 2012Every excessive heat warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.