Alert archive / Iowa / Wind Chill Advisories in 2015
Wind Chill Advisory 8, NWS Des Moines, IA
NWS Des Moines, IA issued this wind chill advisory at Feb 17, 2015, 3:51 AM CST for 51 counties in Iowa. It took effect at Feb 18, 2015, 12:00 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2015, 3:51 AM CST (09:51 UTC)
- In effect from
- Feb 18, 2015, 12:00 AM CST
- Expired
- Feb 18, 2015, 12:00 PM CST
- In force
- 12 hr
- Issued by
- NWS Des Moines, IA
All 51 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 23 km from the middle of the area, began a volume at 09:55 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 00:00Z, 9.9 hours before the alert went out and 230 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
982 WWUS43 KDMX 170951 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 351 AM CST TUE FEB 17 2015 ...DANGEROUS WIND CHILLS LATE TONIGHT AND WEDNESDAY... .A STRONG ARCTIC COLD FRONT WILL FORCE BITTER COLD AIR INTO THE STATE TONIGHT AND WEDNESDAY. ACCOMPANIED BY STRONG WINDS...AREA WIND CHILL VALUES WILL DROP TO 20 TO NEAR 30 BELOW OVER THE NORTH BY WEDNESDAY MORNING AND TO 20 TO 25 BELOW SOUTH. IAZ004>007-015>017-023>028-171800- /O.NEW.KDMX.WC.Y.0008.150218T0600Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 351 AM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST WEDNESDAY. * TIMING...FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 20 TO 30 MPH * TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL FALL TO 4 TO 6 BELOW ZERO BY 6 AM WEDNESDAY WITH WIND CHILL VALUES OF 25 TO NEAR 30 BELOW ZERO. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. ADDITIONALLY...A PORTION OF THIS ADVISORY MAY BE UPGRADED TO A WARNING IF TEMPERATURES FALL BELOW CURRENTLY FORECAST MORNING LOWS WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ033>039-044>050-057>062-171800- /O.NEW.KDMX.WC.Y.0008.150218T0900Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL 351 AM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY. * TIMING...FROM 3 AM TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 15 TO 25 MPH * TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL FALL TO 0 TO 4 BELOW ZERO BY 6 AM WEDNESDAY WITH WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ REV
6 follow-up statements
469 WWUS43 KDMX 171749 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1149 AM CST TUE FEB 17 2015 ...DANGEROUS WIND CHILLS LATE TONIGHT AND WEDNESDAY... .A STRONG ARCTIC COLD FRONT WILL PUSH BITTER COLD AIR INTO THE STATE TONIGHT AND WEDNESDAY. THE COMBINATION OF WINDS AND TEMPERATURES WILL PRODUCE BITTERLY COLD WIND CHILLS. IAZ004>007-015>017-023>028-180200- /O.CON.KDMX.WC.Y.0008.150218T0600Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 1149 AM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST WEDNESDAY... * TIMING...FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 20 TO 30 MPH * TEMPERATURES/WIND CHILL VALUES...WIND CHILL VALUES OF 25 TO NEAR 30 BELOW ZERO WILL BECOME WIDESPREAD OVERNIGHT AND INTO WEDNESDAY MORNING. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. ADDITIONALLY...A PORTION OF THIS ADVISORY MAY BE UPGRADED TO A WARNING IF TEMPERATURES FALL BELOW CURRENTLY FORECAST MORNING LOWS WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ033>039-044>050-057>062-180200- /O.CON.KDMX.WC.Y.0008.150218T0900Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL 1149 AM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY... * TIMING...FROM 3 AM TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 15 TO 25 MPH * TEMPERATURES/WIND CHILL VALUES...WIND CHILLS VALUES OF 20 TO 25 BELOW WILL BECOME COMMON LATE TONIGHT INTO WEDNESDAY MORNING. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
944 WWUS43 KDMX 172122 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 322 PM CST TUE FEB 17 2015 ...DANGEROUS WIND CHILLS LATE TONIGHT INTO WEDNESDAY MORNING... .A STRONG ARCTIC COLD FRONT WILL PUSH BITTER COLD AIR INTO THE STATE TONIGHT INTO WEDNESDAY. THE COMBINATION OF WINDS AND TEMPERATURES WILL PRODUCE BITTERLY COLD WIND CHILLS. IAZ070>075-081>086-092>097-180530- /O.EXA.KDMX.WC.Y.0008.150218T0900Z-150218T1800Z/ CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS- MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...ATLANTIC...GREENFIELD...STUART... ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...NORWALK... CARLISLE...PELLA...KNOXVILLE...OSKALOOSA...CORNING...CRESTON... OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...LENOX... NEW MARKET...MOUNT AYR...LAMONI...LEON...CORYDON...SEYMOUR... ALLERTON...HUMESTON...CENTERVILLE...BLOOMFIELD 322 PM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY. * TIMING...3 AM TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS * WIND CHILL VALUES...WIND CHILLS VALUES OF 20 TO 25 BELOW WILL BECOME COMMON TOWARD DAYBREAK WEDNESDAY INTO WEDNESDAY MORNING. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ004>007-015>017-023>028-180530- /O.CON.KDMX.WC.Y.0008.150218T0600Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 322 PM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST WEDNESDAY... * TIMING...MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 20 TO 30 MPH * WIND CHILL VALUES...WIND CHILL VALUES OF 25 TO NEAR 30 BELOW ZERO WILL BECOME WIDESPREAD OVERNIGHT AND INTO WEDNESDAY MORNING. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ033>039-044>050-057>062-180530- /O.CON.KDMX.WC.Y.0008.150218T0900Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL 322 PM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY... * TIMING...3 AM TONIGHT THROUGH NOON WEDNESDAY. * WINDS...NORTH WINDS OF 15 TO 25 MPH * WIND CHILL VALUES...WIND CHILLS VALUES OF 22 TO 27 BELOW WILL BECOME COMMON LATE TONIGHT INTO WEDNESDAY MORNING. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
633 WWUS43 KDMX 180322 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 922 PM CST TUE FEB 17 2015 ...DANGEROUS WIND CHILLS LATE TONIGHT INTO WEDNESDAY MORNING... .A STRONG ARCTIC COLD FRONT WILL PUSH STRONG WINDS AND VERY COLD AIR INTO IOWA LATER TONIGHT AND WEDNESDAY. THIS WILL PRODUCE BITTERLY COLD WIND CHILLS. IAZ004>007-015>017-023>028-181130- /O.CON.KDMX.WC.Y.0008.150218T0600Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 922 PM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY... * TIMING...MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THE LOWEST WIND CHILL VALUES WILL OCCUR IN A FEW HOURS AROUND AND AFTER SUNRISE WEDNESDAY. * WINDS...NORTHWEST AROUND 20 MPH WITH GUSTS TO 30 MPH AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 30 BELOW ZERO. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ033>039-044>050-057>062-070>075-081>086-092>097-181130- /O.CON.KDMX.WC.Y.0008.150218T0900Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA- ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR- WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...STUART...ADAIR...FONTANELLE... WINTERSET...EARLHAM...INDIANOLA...NORWALK...CARLISLE...PELLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...LENOX...NEW MARKET...MOUNT AYR... LAMONI...LEON...CORYDON...SEYMOUR...ALLERTON...HUMESTON... CENTERVILLE...BLOOMFIELD 922 PM CST TUE FEB 17 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST WEDNESDAY... * TIMING...3 AM TONIGHT THROUGH NOON WEDNESDAY. THE LOWEST WIND CHILL VALUES WILL OCCUR IN A FEW HOURS AROUND AND AFTER SUNRISE WEDNESDAY. * WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. * IMPACTS...FROST BITE MAY OCCUR WITHIN 30 MINUTES AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ LEE
342 WWUS43 KDMX 180928 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 328 AM CST WED FEB 18 2015 ...DANGEROUS WIND CHILLS TODAY... .AN ARCTIC AIR MASS AND STRONG NORTHWEST WINDS WILL LEAD TO HARSH WIND CHILLS THROUGH MUCH OF THE DAY TODAY...WITH THE COLDEST WIND CHILL VALUES DURING THE MORNING HOURS. IAZ004>007-015>017-023>028-181730- /O.CON.KDMX.WC.Y.0008.000000T0000Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 328 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS TO 30 MPH AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 30 BELOW ZERO. * IMPACTS...FROST BITE CAN DEVELOP WITHIN 30 MINUTES IF SKIN IS EXPOSED AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ033>039-044>050-057>062-070>075-081>086-092>097-181730- /O.CON.KDMX.WC.Y.0008.000000T0000Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA- ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR- WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...STUART...ADAIR...FONTANELLE... WINTERSET...EARLHAM...INDIANOLA...NORWALK...CARLISLE...PELLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...LENOX...NEW MARKET...MOUNT AYR... LAMONI...LEON...CORYDON...SEYMOUR...ALLERTON...HUMESTON... CENTERVILLE...BLOOMFIELD 328 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. * IMPACTS...FROST BITE CAN DEVELOP WITHIN 30 MINUTES IF SKIN IS EXPOSED AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ KLP
779 WWUS43 KDMX 181506 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 906 AM CST WED FEB 18 2015 ...DANGEROUS WIND CHILL VALUES TODAY... .A VERY COLD ARCTIC AIR MASS AND STRONG NORTHWEST WINDS WILL LEAD TO HARSH WIND CHILL VALUES THROUGH THE MORNING HOURS. IAZ004>007-015>017-023>028-181800- /O.CON.KDMX.WC.Y.0008.000000T0000Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 906 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS TO 30 MPH AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 30 BELOW ZERO. * IMPACTS...FROST BITE CAN DEVELOP WITHIN 30 MINUTES IF SKIN IS EXPOSED AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IAZ033>039-044>050-057>062-070>075-081>086-092>097-181800- /O.CON.KDMX.WC.Y.0008.000000T0000Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA- ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR- WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...STUART...ADAIR...FONTANELLE... WINTERSET...EARLHAM...INDIANOLA...NORWALK...CARLISLE...PELLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...LENOX...NEW MARKET...MOUNT AYR... LAMONI...LEON...CORYDON...SEYMOUR...ALLERTON...HUMESTON... CENTERVILLE...BLOOMFIELD 906 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. * IMPACTS...FROST BITE CAN DEVELOP WITHIN 30 MINUTES IF SKIN IS EXPOSED AND HYPOTHERMIA MAY OCCUR IF PRECAUTIONS ARE NOT TAKEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ AWB
185 WWUS43 KDMX 181749 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1149 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY WILL EXPIRE... IAZ004>007-015>017-023>028-181900- /O.EXP.KDMX.WC.Y.0008.000000T0000Z-150218T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY 1149 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... TEMPERATURES HAVE WARMED INTO THE SINGLE DIGITS ABOVE ZERO ACROSS THE AREA. HOWEVER...WINDS WILL REMAIN STRONG FROM THE NORTHWEST THROUGH THE AFTERNOON AND WIND CHILL VALUES WILL REMAIN BELOW ZERO. WIND CHILL VALUES NEAR 20 BELOW ZERO WILL BE POSSIBLE AT TIMES. $$ IAZ033>039-044>050-057>062-070>075-081>086-092>097-181900- /O.EXP.KDMX.WC.Y.0008.000000T0000Z-150218T1800Z/ SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD- CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS- POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA- ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR- WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...ROCKWELL CITY...MANSON... LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...IOWA FALLS... ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...CONRAD...DIKE... WELLSBURG...WATERLOO...CEDAR FALLS...DENISON...CARROLL... JEFFERSON...BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER... DYSART...GLADBROOK...AUDUBON...EXIRA...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...STUART...ADAIR...FONTANELLE... WINTERSET...EARLHAM...INDIANOLA...NORWALK...CARLISLE...PELLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...LENOX...NEW MARKET...MOUNT AYR... LAMONI...LEON...CORYDON...SEYMOUR...ALLERTON...HUMESTON... CENTERVILLE...BLOOMFIELD 1149 AM CST WED FEB 18 2015 ...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY... TEMPERATURES HAVE WARMED INTO THE SINGLE DIGITS ABOVE ZERO ACROSS THE AREA. HOWEVER...WINDS WILL REMAIN STRONG FROM THE NORTHWEST THROUGH THE AFTERNOON AND WIND CHILL VALUES WILL REMAIN BELOW ZERO. WIND CHILL VALUES NEAR 15 BELOW ZERO WILL BE POSSIBLE AT TIMES. $$ AWB
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Des Moines, IA wrote its last area forecast discussion before this wind chill advisory went out at Feb 17, 3:31 AM CST, 20 minutes earlier.
Area forecast discussion, Feb 17, 3:31 AM CST, 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DES MOINES IA 331 AM CST TUE FEB 17 2015 .SHORT TERM /TODAY/... ISSUED AT 330 AM CST TUE FEB 17 2015 SURFACE COLD FRONT ALREADY IN SOUTHERN IOWA EARLY THIS MORNING WITH A SECONDARY TROUGH AND PV ANOMALY LOOKING TO PUSH ACROSS IOWA THROUGH MIDDAY TODAY. WINDS WILL INCREASE BEHIND THIS FEATURE LATER TODAY. FORECAST SOUNDINGS THROUGH 18Z SUGGEST A SATURATED SNOW GROWTH REGION WITH THIS NEXT PIECE OF ENERGY TO PUSH ACROSS DURING THE MORNING. THERE ARE A FEW FLURRIES SHOWING UP OVER SW MINNESOTA/SE SOUTH DAKOTA AND EVEN FAR NW IOWA EARLY THIS MORNING. ADDED FLURRIES OVER THE WEST TO SOUTH TODAY WITH THE LOW STRATUS AND NEAR SURFACE SNOW GROWTH REGION THROUGH 18Z. THE HRRR AND HIRES ARW/NMM DEPICTING SOME WEAK RETURNS THIS MORNING. KEPT LIGHT SNOW SHOWERS IN THE FAR NORTHEAST LATE IN THE PERIOD TODAY WITH THE NEXT MAIN PUSH OF COLD AIR TONIGHT. LOW CONFIDENCE WITH ANY ACCUMULATION THROUGH 00Z. TEMPS TODAY LEANED TOWARD THE NAM12 AS ECMWF WAS TOO WARM...BUT THE GFS HAD A DECENT HANDLE ON TEMPS TODAY. .LONG TERM /TONIGHT THROUGH MONDAY/... ISSUED AT 330 AM CST TUE FEB 17 2015 MAIN CONCERN THROUGH THE EXTENDED IS FOCUSED ON THE NEXT 3 TO 4 DAYS WITH THE COLD WEATHER. TONIGHTS 03Z SUBJECTIVE ANALYSIS SHOWS A WEAK COLD FRONT MOVING THROUGH CENTRAL IA WITH A STRONGER COLD FRONT LOCATED OVER CENTRAL MN TONIGHT. TEMPERATURES BEHIND THE SECOND BOUNDARY SHOW A MARKED DROP OFF BUT THIS IS NOT THE TRUE ARCTIC COLD FRONT. THE ARCTIC AIRMASS IS STILL LOCATED OVER SOUTHERN CANADA AND WILL BE DRIVEN SOUTH BY A STRONG UPPER LEVEL SYSTEM...PV ANOMALY OVER SOUTH CENTRAL MANITOBA CANADA. THIS IS SHOWING UP WELL ON WATER VAPOR IMAGERY TONIGHT. AS THE FRONT APPROACHES TUESDAY EVENING... LAPSE RATES WILL INCREASE RAPIDLY OVER THE NORTH AND NORTHEAST. BUFR SOUNDINGS AT KALO AND KMCW SHOW THE POTENTIAL FOR BRIEF SNOW SHOWERS OR POSSIBLY A VERY BRIEF SNOW SQUALL ALONG THE FRONT AS IT MOVES QUICKLY EAST SOUTHEAST WITH TIME OVER THE NORTHEAST. HAVE ADDED CHANCE POP OVER THE NORTHEAST FOR 03Z TO 06Z WITH SNOW SHOWERS AND FLURRIES THROUGH ABOUT 08Z EAST. THE 21Z SREF HITS THIS AREA PRETTY HARD WITH POTENTIAL FOR .01 QPF AND UP TO A HALF INCH OF SNOW. AS THE BOUNDARY ENTERS NORTHERN IOWA WITH ITS STRONG PUSH OF COLD AIR ALOFT AND AT THE SFC TEMPS AND WIND CHILLS WILL FALL QUICKLY. FROM 00Z WEDNESDAY THROUGH 12Z WEDNESDAY...H850 TEMPERATURES WILL DROP FROM -16C SOUTH TO -22C NORTH AT 00Z TO -24C SOUTH TO NEAR -28C NORTH BY 12Z. WINDS PICK UP ABOUT THE SAME TIME AND WILL REMAIN QUITE STRONG OVERNIGHT WITH WIND CHILLS DROPPING TO -20F SOUTH OF US20 AND TO NEAR -30F NORTH OF HIGHWAY 20. WILL BE ISSUING A TWO PART WC.Y FOR THE AREA BEGINNING AT 06Z NORTH OF US 20 AND 09Z SOUTH OF US 20 AS FAR SOUTH AS INTERSTATE 80 FOR NOW. THE NORTH SEGMENT MAY BE CLOSE TO WARNING CRITERIA EARLY WEDNESDAY MORNING AND WILL LET DAY SHIFT UPGRADE IF NECESSARY. WILL ALSO HAVE THEM ADD ADDITIONAL COUNTIES IN THE FAR SOUTH LATER TODAY OR WILL ADD TONIGHT IF NEEDED...SINCE ONLY ADVISORY CRITERIA EXPECTED THERE. FOLLOWING THE RUSH OF COLD AIR...LITTLE WARMING IS ANTICIPATED FOR WEDNESDAY... THOUGH SOME SUNSHINE SHOULD RETURN BY LATE MORNING TO EARLY AFTERNOON AS STRONG SUBSIDENCE RETURNS TO THE AREA. WIND CHILLS WILL REMAIN RATHER COLD FOR THE ENTIRE DAY. HIGH PRESSURE WILL SETTLE INTO THE REGION WED NIGHT AND THURSDAY MORNING WITH SUB ZERO LOWS EXPECTED. ADDITIONALLY MORE WIND CHILL ISSUES MAY ARISE OVER PORTIONS OF THE AREA. LATE THURSDAY INTO FRIDAY THE NEXT UPSTREAM WAVE WILL PUSH MILDER AIR INTO THE PLAINS ALONG WITH ADIABATIC WARMING AND A CHANCE FOR LIGHT SNOW WITH THE ADVANCE OF WARMER AIR. SOME UNCERTAINTY RETURNS TOWARD THE WEEKEND WITH A NORTHERN STREAM CLIPPER AND A SOUTHERN STREAM LOW TRACKING ACROSS THE LOWER MISSISSIPPI RIVER VALLEY. THE EURO IS FARTHER NORTH WITH THE SOUTHERN SYSTEM WHILE THE GFS CONTINUES A SPLIT FLOW. FOR NOW WILL KEEP PRESENT TRENDS IN GRIDS THE SAME WITH POTENTIAL FOR SOME LIGHT SNOW SOUTH FRIDAY NIGHT OR SATURDAY SOUTH. THE NORTHERN WAVE WILL BRING ANOTHER ARCTIC FRONT INTO THE REGION...SO TEMPS BECOMING MORE LIKELY TO NOSEDIVE AGAIN SATURDAY NIGHT/SUNDAY. YET ANOTHER STRONG PV ANOMALY AND ARCTIC FRONT ARRIVES LATE MONDAY AS THE PARENT H500 LOW CHANGES LITTLE THROUGH THE PERIOD. && .AVIATION...17/06Z ISSUED AT 1133 PM CST MON FEB 16 2015 MAIN ISSUE WILL CONTINUE TO BE CLOUDS AND TIMING OF EXITING MVFR CONDITIONS TONIGHT AND RETURNING MVFR TUESDAY. MVFR CIGS ARE CURRENTLY MOVING THROUGH SOUTHERN IOWA AND SHOULD GIVE WAY TO VFR STATEWIDE OVER THE NEXT FEW HOURS. RETURNING MVFR TIMING LOOKS TO BE AFTERNOON TO EARLY EVENING TUESDAY...ALONG WITH POSSIBLE LIGHT SNOW IN THE EVENING...ESPECIALLY AT ALO AND MCW. && .DMX WATCHES/WARNINGS/ADVISORIES... WIND CHILL ADVISORY FROM MIDNIGHT TONIGHT TO NOON CST WEDNESDAY FOR BREMER-BUTLER-CERRO GORDO-EMMET-FRANKLIN-HANCOCK-HUMBOLDT- KOSSUTH-PALO ALTO-POCAHONTAS-WINNEBAGO-WORTH-WRIGHT. WIND CHILL ADVISORY FROM 3 AM TO NOON CST WEDNESDAY FOR AUDUBON- BLACK HAWK-BOONE-CALHOUN-CARROLL-CRAWFORD-DALLAS-GREENE-GRUNDY- GUTHRIE-HAMILTON-HARDIN-JASPER-MARSHALL-POLK-POWESHIEK-SAC-STORY- TAMA-WEBSTER. && SHORT TERM...PODRAZIK LONG TERM...REV AVIATION...CURTIS
Hazardous weather outlook, Feb 16, 5:21 AM CST, 22 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 521 AM CST MON FEB 16 2015 IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075- 081>086-092>097-171130- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE- APPANOOSE-DAVIS- 521 AM CST MON FEB 16 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY BLUSTERY WINDS BRING HARSH WIND CHILLS FROM 15 TO 35 BELOW ZERO BY TUESDAY NIGHT AND THROUGHOUT THE DAY WEDNESDAY. BITTER COLD TEMPERATURES AND WIND CHILL VALUES CONTINUE INTO THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. KLP
Nearby
Wind Chill Advisories in Iowa, 2015Every wind chill advisory in 2015
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.