Alert archive / Iowa / Wind Chill Advisories in 2007
Wind Chill Advisory 4, NWS Des Moines, IA
NWS Des Moines, IA issued this wind chill advisory at Feb 2, 2007, 3:11 PM CST for 51 counties in Iowa. It took effect at Feb 2, 2007, 9:00 PM CST. It was in force for 47 hr.
The area
The counties it named.
The facts
- Issued
- Feb 2, 2007, 3:11 PM CST (21:11 UTC)
- In effect from
- Feb 2, 2007, 9:00 PM CST
- Expired
- Feb 4, 2007, 8:09 PM CST
- In force
- 47 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 21:10 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, 9.2 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
- 1006 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KDMX 022111 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 311 PM CST FRI FEB 2 2007 ...BITTERLY COLD WIND CHILLS AGAIN EXPECTED FOR IOWA LATE THIS EVENING THROUGH AT LEAST NOON SATURDAY... .ANOTHER STRONG ARCTIC COLD FRONT WILL RACE ACROSS THE REGION LATER THIS EVENING. FOLLOWING THE FRONT...STRONG NORTHWEST WINDS WILL DEVELOP ALONG WITH TEMPERATURES FALLING TO 5 TO 10 BELOW OVER NORTHERN IOWA BY EARLY SATURDAY MORNING. IN THE SOUTHERN SECTIONS OF THE STATE...TEMPERATURES WILL FALL TO ZERO TO 5 BELOW BY MORNING. THIS WILL RESULT IN WIND CHILL VALUES OF BETWEEN 20 AND 30 BELOW WITH A FEW AREAS REPORTING WIND CHILLS OF 30 TO 35 BELOW FROM 5 AM THROUGH 8 AM SATURDAY MORNING OVER NORTHERN SECTIONS OF THE STATE. IAZ004>007-015>017-023>028-033>039-047>050-030515- /O.NEW.KDMX.WC.Y.0004.070203T0300Z-070203T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 311 PM CST FRI FEB 2 2007 ...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY. WIND CHILLS REACHING 20 BELOW WILL OCCUR BY LATE EVENING WITH WIND CHILL VALUES FALLING INTO THE 25 TO 35 BELOW RANGE TOWARD MORNING. THE WIND WILL INCREASE FROM THE NORTHWEST TO 20 TO 30 MPH DURING THE OVERNIGHT HOURS WITH BRISK WINDS REMAINING ACROSS THE REGION THROUGH THE MORNING HOURS SATURDAY. EXPECT MINOR IMPROVEMENT IN CONDITIONS AS THE NOON HOUR APPROACHES ON SATURDAY...WITH THE POSSIBILITY THAT THE ADVISORY MAY BE EXTENDED THROUGH THE DAY. 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. $$ IAZ044>046-057>062-070>075-081>086-092>097-030515- /O.NEW.KDMX.WC.Y.0004.070203T0300Z-070203T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE- APPANOOSE-DAVIS- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...CORYDON... CENTERVILLE...BLOOMFIELD 311 PM CST FRI FEB 2 2007 ...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY. WIND CHILLS REACHING 20 BELOW WILL OCCUR BY LATE EVENING WITH WIND CHILL VALUES FALLING TO THE 20 TO 30 BELOW RANGE TOWARD MORNING. THE WIND WILL INCREASE FROM THE NORTHWEST TO 20 TO 30 MPH DURING THE OVERNIGHT HOURS WITH BRISK WINDS REMAINING ACROSS THE REGION THROUGH THE EARLY MORNING HOURS SATURDAY. WIND CHILL VALUES WILL IMPROVE IN AS THE NOON HOUR APPROACHES SATURDAY. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ REV
10 follow-up statements
000 WWUS43 KDMX 030327 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 927 PM CST FRI FEB 2 2007 ...BITTERLY COLD WIND CHILLS AGAIN EXPECTED FOR IOWA LATE THIS EVENING THROUGH AT LEAST NOON SATURDAY... .AN ARCTIC COLD FRONT PASSING THROUGH IOWA TONIGHT WILL BRING A REINFORCING SHOT OF COLDER AIR INTO THE STATE. STRONG NORTHWEST WINDS WILL ALSO OCCUR BEHIND THE FRONT PRODUCING VERY COLD WIND CHILLS. THE LOW WIND CHILLS ARE EXPECTED TO PERSIST INTO SATURDAY WITH LITTLE IMPROVEMENT. IAZ004>007-015>017-023>028-033>039-047>050-031030- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070203T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 927 PM CST FRI FEB 2 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. A COMBINATION OF COLD TEMPERATURES AND STRONG NORTHWEST WINDS WILL LEAD TO WIND CHILLS DROPPING TO 20 TO 30 BELOW TONIGHT. WIND CHILLS WILL THEN HOVER FROM 25 TO 30 BELOW ON SATURDAY MORNING. SOME MINOR IMPROVEMENT IN CONDITIONS ARE EXPECTED TOWARD THE NOON HOUR ON SATURDAY...BUT THE POSSIBILITY REMAINS THAT THE ADVISORY MAY BE EXTENDED THROUGH THE DAY. 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. $$ IAZ044>046-057>062-070>075-081>086-092>097-031030- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070203T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE- APPANOOSE-DAVIS- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...CORYDON... CENTERVILLE...BLOOMFIELD 927 PM CST FRI FEB 2 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY. WINDS WILL INCREASE FROM THE NORTHWEST AT 15 TO 25 MPH OVERNIGHT ALONG WITH FALLING TEMPERATURES. WIND CHILLS ARE FORECAST TO DROP TO 20 TO 30 BELOW DURING THE NIGHT AND HOVER IN THAT RANGE THROUGH SATURDAY MORNING. WIND CHILL VALUES WILL IMPROVE IN AS THE NOON HOUR APPROACHES SATURDAY. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ CC
000 WWUS43 KDMX 030958 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 358 AM CST SAT FEB 3 2007 ...BITTERLY COLD WIND CHILLS EXPECTED TODAY... .AN ARCTIC AIRMASS WILL SETTLE INTO CENTRAL IOWA TODAY AND REMAIN IN PLACE ACROSS NORTHERN PORTIONS OF CENTRAL IOWA THROUGH MONDAY MORNING. A NORTHWEST WIND AT 15 TO 25 MPH IN COMBINATION WITH BITTER COLD TEMPERATURES WILL PRODUCE VERY COLD WIND CHILL VALUES. IAZ004>007-015>017-023>028-033>039-047>050-031800- /O.EXT.KDMX.WC.Y.0004.000000T0000Z-070205T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 358 AM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 12 PM CST MONDAY... THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 12 PM CST MONDAY. A GUSTY NORTHWEST WIND AT 10 TO 20 MPH WILL PERSIST ACROSS CENTRAL IOWA THROUGH MOST OF TODAY. THE WIND IN COMBINATION WITH TEMPERATURES BARELY ABOVE ZERO WILL PRODUCE WIND CHILL VALUES OF AT LEAST 20 BELOW. THE NORTHWEST WIND WILL EVENTUALLY DIMINISH THIS EVENING TO SPEEDS OF C10 TO 15 MPH BUT TEMPERATURES WILL FALL BELOW ZERO AND WIND CHILL VALUES OF AT LEAST 20 BELOW WILL BE MAINTAINED THROUGH SUNDAY AND INTO MONDAY MORNING. THEREFORE THE WIND CHILL ADVISORY HAS BEEN EXTENDED UNTIL NOON ON MONDAY. 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. $$ IAZ044>046-057>062-070>075-081>086-092>097-031800- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070203T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE- APPANOOSE-DAVIS- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...CORYDON... CENTERVILLE...BLOOMFIELD 358 AM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A GUSTY NORTHWEST WIND AT 10 TO 20 MPH WILL PERSIST ACROSS CENTRAL IOWA THROUGH THIS MORNING. THE WIND IN COMBINATION WITH TEMPERATURES IN THE SINGLE DIGITS WILL PRODUCE WIND CHILL VALUES AROUND 20 BELOW. WIND CHILL VALUES ARE FORECAST TO CLIMB ABOVE ADVISORY CRITERIA THIS AFTERNOON. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ FAB
000 WWUS43 KDMX 031720 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1120 AM CST SAT FEB 3 2007 ...PROLONGED PERIOD OF BITTER COLD WIND CHILLS EXPECTED... .AN ARCTIC AIRMASS WILL REMAIN ENTRENCHED ACROSS MUCH OF IOWA THROUGH THE WEEKEND AND INTO THE START OF THE COMING WORK WEEK. HIGH PRESSURE NEAR THE MISSOURI RIVER VALLEY WILL MOVE LITTLE KEEPING MUCH OF THE MIDWEST VERY COLD WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS PRODUCING WIND CHILLS THAT MAKE IT FEEL EVEN COLDER. IAZ004>007-015>017-023>028-033>039-047>050-032230- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070205T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 1120 AM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... HIGHS ARE EXPECTED TO BE NO WARMER THAN JUST ABOVE ZERO THROUGH EARLY MONDAY...AND IN MANY INSTANCES WILL REMAIN SUB-ZERO WITH HIGHS ONLY IN THE SINGLE DIGITS BELOW ZERO. THIS BITTER COLD IN COMBINATION WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS WILL KEEP WIND CHILL INDICES IN THE 20 TO 30 BELOW ZERO RANGE FOR AN EXTENDED PERIOD...LIKELY THROUGH SUNDAY NIGHT INTO EARLY MONDAY MORNING. WIND CHILLS MAY VARY FROM 30 TO 40 BELOW ZERO AT TIMES CLOSER TO THE MINNESOTA BORDER. 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 COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO...AND IN 10 MINUTES WHEN THEY REACH 35 BELOW OR LESS. $$ IAZ044>046-057>062-070>075-081>086-092>097-031830- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070203T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE- APPANOOSE-DAVIS- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...CORYDON... CENTERVILLE...BLOOMFIELD 1120 AM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... WIND CHILL INDICES SHOULD REMAIN IN THE 20 TO 30 BELOW ZERO RANGE THROUGH NOON TODAY...BUT SOME SLIGHT MODERATION IS ANTICIPATED DURING THE AFTERNOON. ALTHOUGH THE ADVISORY WILL NO LONGER BE IN EFFECT BY THAT TIME...WIND CHILLS WILL STILL VARY FROM 10 TO 20 BELOW ZERO. ADDITIONAL ADVISORIES MAY ALSO BE NEEDED THROUGH THE WEEKEND. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ SMALL
000 WWUS43 KDMX 031817 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1217 PM CST SAT FEB 3 2007 ...PROLONGED PERIOD OF BITTER COLD WIND CHILLS EXPECTED... .AN ARCTIC AIRMASS WILL REMAIN ENTRENCHED ACROSS MUCH OF IOWA THROUGH THE WEEKEND AND INTO THE START OF THE COMING WORK WEEK. HIGH PRESSURE NEAR THE MISSOURI RIVER VALLEY WILL MOVE LITTLE KEEPING MUCH OF THE MIDWEST VERY COLD WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS PRODUCING WIND CHILLS THAT MAKE IT FEEL EVEN COLDER. IAZ044>046-057>062-070>075-081>086-092>097-031930- /O.EXP.KDMX.WC.Y.0004.000000T0000Z-070203T1800Z/ CRAWFORD-CARROLL-GREENE-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...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...CORYDON... CENTERVILLE...BLOOMFIELD 1217 PM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY HAS EXPIRED... ALTHOUGH WIND CHILLS WILL STILL BE QUITE COLD...THEY WILL CONTINUE A GRADUAL MODERATION THIS AFTERNOON WITH VALUES IN THE 10 TO 20 BELOW ZERO RANGE...ABOVE ADVISORY CRITERIA. THE COLD WEATHER WILL REMAIN IN PLACE FOR SEVERAL DAYS HOWEVER...SO ADDITIONAL WIND CHILL ADVISORIES MAY BE ISSUED LATER THIS WEEKEND. $$ IAZ004>007-015>017-023>028-033>039-047>050-032230- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070205T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 1217 PM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... HIGHS ARE EXPECTED TO BE NO WARMER THAN JUST ABOVE ZERO THROUGH EARLY MONDAY. IN MANY INSTANCES THEY WILL EVEN REMAIN SUB-ZERO WITH HIGHS ONLY IN THE SINGLE DIGITS BELOW ZERO. THIS BITTER COLD IN COMBINATION WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS WILL KEEP WIND CHILL INDICES IN THE 20 TO 30 BELOW ZERO RANGE FOR AN EXTENDED PERIOD...LIKELY THROUGH SUNDAY NIGHT INTO EARLY MONDAY MORNING. WIND CHILLS MAY VARY FROM 30 TO 40 BELOW ZERO AT TIMES CLOSER TO THE MINNESOTA BORDER. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO...AND IN 10 MINUTES WHEN THEY REACH 35 BELOW OR LESS. $$ SMALL
000 WWUS43 KDMX 032142 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 342 PM CST SAT FEB 3 2007 ...PROLONGED PERIOD OF BITTER COLD WIND CHILLS EXPECTED... .AN ARCTIC AIRMASS WILL REMAIN ENTRENCHED ACROSS MUCH OF IOWA THROUGH THE WEEKEND AND INTO THE START OF THE COMING WORK WEEK. HIGH PRESSURE NEAR THE MISSOURI RIVER VALLEY WILL MOVE LITTLE KEEPING MUCH OF THE MIDWEST FRIGID WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS PRODUCING WIND CHILLS THAT MAKE IT FEEL EVEN COLDER. IAZ044>046-057>062-070>075-081>086-040330- /O.EXB.KDMX.WC.Y.0004.070204T0600Z-070204T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA 342 PM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. WIND CHILLS WILL ONCE AGAIN DIP TO DANGEROUS LEVELS OVERNIGHT AND INTO SUNDAY MORNING. WITH LOWS FROM 5 TO 15 BELOW ZERO AND WEST TO NORTHWEST WINDS AT AROUND 10 MPH...WIND CHILLS FROM 20 TO 30 BELOW ZERO WILL BE COMMON. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND 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 COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS FALL TO 20 BELOW ZERO OR LESS. $$ IAZ004>007-015>017-023>028-033>039-047>050-040330- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070205T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 342 PM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... HIGHS ARE EXPECTED TO BE NO WARMER THAN JUST ABOVE ZERO THROUGH EARLY MONDAY AND IN MANY INSTANCES REMAINING IN THE SINGLE DIGITS BELOW ZERO. LOWS DURING THE ADVISORY WILL ROUTINELY BE IN THE TEENS BELOW ZERO AS WELL. THIS BITTER COLD IN COMBINATION WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS WILL KEEP WIND CHILL INDICES IN THE 20 TO 30 BELOW ZERO RANGE FOR AN EXTENDED PERIOD...LIKELY THROUGH SUNDAY NIGHT AND EARLY MONDAY MORNING. WIND CHILLS MAY OCCASIONALLY DROP TO 30 TO 35 BELOW ZERO CLOSER TO THE MINNESOTA BORDER SEVERAL HOURS EITHER SIDE OF SUNRISE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO...AND NEARLY 10 MINUTES WHEN THEY REACH 35 BELOW OR LESS. $$ SMALL
000 WWUS43 KDMX 040258 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 858 PM CST SAT FEB 3 2007 ...PROLONGED PERIOD OF BITTER COLD WIND CHILLS EXPECTED... .AN ARCTIC AIRMASS WILL REMAIN ENTRENCHED ACROSS MUCH OF IOWA THROUGH THE WEEKEND AND INTO THE START OF THE COMING WORK WEEK. HIGH PRESSURE NEAR THE MISSOURI RIVER VALLEY WILL MOVE LITTLE KEEPING MUCH OF THE MIDWEST FRIGID WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS PRODUCING WIND CHILLS THAT MAKE IT FEEL EVEN COLDER. IAZ004>007-015>017-023>028-033>039-047>050-041100- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070205T1800Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 858 PM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... HIGHS ARE EXPECTED TO BE NO WARMER THAN JUST ABOVE ZERO THROUGH EARLY MONDAY AND IN MANY INSTANCES REMAINING IN THE SINGLE DIGITS BELOW ZERO. LOWS DURING THE ADVISORY WILL ROUTINELY BE IN THE TEENS BELOW ZERO AS WELL. THIS BITTER COLD IN COMBINATION WITH VARIED SPEEDS OF WEST TO NORTHWEST WINDS WILL KEEP WIND CHILL INDICES IN THE 20 TO 30 BELOW ZERO RANGE FOR AN EXTENDED PERIOD...LIKELY THROUGH SUNDAY NIGHT AND EARLY MONDAY MORNING. WIND CHILLS MAY OCCASIONALLY DROP TO 30 TO 35 BELOW ZERO CLOSER TO THE MINNESOTA BORDER SEVERAL HOURS EITHER SIDE OF SUNRISE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND 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 COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO...AND NEARLY 10 MINUTES WHEN THEY REACH 35 BELOW OR LESS. $$ IAZ044>046-057>062-070>075-081>086-041100- /O.CON.KDMX.WC.Y.0004.070204T0600Z-070204T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA 858 PM CST SAT FEB 3 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... WIND CHILLS WILL ONCE AGAIN DIP TO DANGEROUS LEVELS OVERNIGHT AND INTO SUNDAY MORNING. WITH LOWS FROM 5 TO 15 BELOW ZERO AND WEST TO NORTHWEST WINDS AT AROUND 10 MPH...WIND CHILLS FROM 20 TO 30 BELOW ZERO WILL BE COMMON. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS FALL TO 20 BELOW ZERO OR LESS. $$
000 WWUS43 KDMX 041007 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 407 AM CST SUN FEB 4 2007 ...BITTER COLD WIND CHILLS ARE FORECAST FOR THIS MORNING THEN AGAIN THIS EVENING... .AN ARCTIC AIRMASS WILL REMAIN IN PLACE ACROSS IOWA THROUGH THE START OF THE WORK WEEK. HIGH PRESSURE NEAR THE MISSOURI RIVER VALLEY WILL MOVE LITTLE KEEPING MUCH OF THE MIDWEST FRIGID WITH VARIED SPEEDS OF A WEST TO NORTHWEST WINDS PRODUCING WIND CHILLS THAT MAKE IT FEEL EVEN COLDER. IAZ004>007-015>017-023>028-033>039-047>050-041815- /O.EXT.KDMX.WC.Y.0004.000000T0000Z-070205T0400Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 407 AM CST SUN FEB 4 2007 ...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING... THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 10 PM CST THIS EVENING. A NORTHWEST WIND WILL REMAIN OVER THE AREA AT SPEEDS OF 10 TO 20 MPH. THE COMBINATION OF TEMPERATURES THAT ARE NOT EXPECTED TO CLIMB MUCH ABOVE ZERO AND WIND SPEEDS ABOVE 10 MPH WILL KEEP WIND CHILL VALUES BETWEEN 20 AND 30 BELOW THROUGH THIS EVENING. THE WIND IS EXPECTED TO DROP BELOW 10 MPH AFTER 10 PM THIS EVENING. THUS THE ADVISORY CRITERIA FOR WIND SPEEDS WILL NOT BE MET AND THE ADVISORY WILL NOT CONTINUE BEYOND 10 PM. HOWEVER...ACTUAL TEMPERATURES TONIGHT WILL RANGE FROM 10 TO 20 BELOW SO IT WILL STILL BE BRUTALLY COLD. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND 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 COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO...AND NEARLY 10 MINUTES WHEN THEY REACH 35 BELOW OR LESS. $$ IAZ044>046-057>062-070>075-081>086-041800- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070204T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA 407 AM CST SUN FEB 4 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A NORTHWEST WIND AT 10 TO 15 MPH COMBINED WITH TEMPERATURES THAT ARE NOT EXPECTED TO CLIMB TO ZERO WILL KEEP WIND CHILL VALUES FROM 20 TO 30 BELOW THROUGH THE MORNING. TEMPERATURES SHOULD CLIMB ABOVE ZERO THIS AFTERNOON WITH A DIMINISHING WIND THUS WIND CHILL VALUES SHOULD RISE ABOVE ADVISORY CRITERIA AFTER NOON. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS FALL TO 20 BELOW ZERO OR LESS. $$ FAB
000 WWUS43 KDMX 041641 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1041 AM CST SUN FEB 4 2007 ...BITTER COLD CONDITIONS CONTINUE... .COLD HIGH PRESSURE WILL REMAIN IN PLACE THROUGH THE MISSOURI RIVER VALLEY TODAY AND TONIGHT KEEPING OUR ARCTIC AIRMASS IN PLACE. ALTHOUGH WINDS MAY DIMINISH SOMEWHAT OVERNIGHT LESSENING THE EFFECTS OF WIND CHILL...THE COMBINATION OF BITTER COLD TEMPERATURES AND WIND WILL DROP WIND CHILL INDICES TO DANGEROUS LEVELS FOR MUCH OF THE DAY...ESPECIALLY OVER NORTHERN IOWA. IAZ004>007-015>017-023>028-033>039-047>050-042230- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070205T0400Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 1041 AM CST SUN FEB 4 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... TEMPERATURES ARE EXPECTED TO BE NO HIGHER THAN THE SINGLE DIGITS ABOVE AND BELOW ZERO TODAY AND THEN FALL EVEN FURTHER THIS EVENING. THESE TEMPERATURES IN COMBINATION WITH NORTHWEST WINDS OF 5 TO 15 MPH WILL DROP WIND CHILLS INTO THE 20 TO 30 BELOW ZERO RANGE...AND POSSIBLY UNDER 30 BELOW ALONG THE MINNESOTA BORDER. ALTHOUGH IT WILL REMAIN BITTERLY COLD OVERNIGHT...WIND SPEEDS SHOULD DIMINISH SUFFICIENTLY SUCH THAT WIND CHILL EFFECTS WILL BE MINIMAL. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS MAY RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO. $$ IAZ044>046-057>062-070>075-081>086-041800- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070204T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CORNING...CRESTON...OSCEOLA...CHARITON... ALBIA...OTTUMWA 1041 AM CST SUN FEB 4 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... TEMPERATURES WILL GRADUALLY RISE THROUGH THE SINGLE DIGITS ABOVE AND BELOW ZERO TODAY...BUT WITH NORTHWEST WINDS OF 10 TO 20 MPH WIND CHILLS WILL STILL BE IN THE 15 TO 25 BELOW ZERO RANGE THROUGH NOONTIME. BY THIS AFTERNOON WIND CHILLS WILL REMAIN COLD..FROM 10 TO 20 BELOW ZERO...BUT JUST ABOVE ADVISORY CRITERIA. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS MAY RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS FALL TO 20 BELOW ZERO OR LESS. $$ SMALL
000 WWUS43 KDMX 042154 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 353 PM CST SUN FEB 4 2007 ...BITTER COLD CONDITIONS CONTINUE... .COLD HIGH PRESSURE WILL REMAIN IN PLACE THROUGH THE MISSOURI RIVER VALLEY THIS EVENING KEEPING OUR ARCTIC AIRMASS IN PLACE. ALTHOUGH WINDS MAY DIMINISH SOMEWHAT OVERNIGHT LESSENING THE EFFECTS OF WIND CHILL...THE COMBINATION OF BITTER COLD TEMPERATURES AND WIND WILL DROP WIND CHILL INDICES TO DANGEROUS LEVELS OVER NORTHERN IOWA THIS EVENING. IAZ004>007-015>017-023>028-033>039-047>050-050400- /O.CON.KDMX.WC.Y.0004.000000T0000Z-070205T0400Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 353 PM CST SUN FEB 4 2007 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... TEMPERATURES IN THE ADVISORY AREA ARE EXPECTED TO VARY FROM ZERO TO 10 BELOW ZERO THIS EVENING. THESE TEMPERATURES IN COMBINATION WITH NORTHWEST WINDS OF 5 TO 15 MPH...AND AS HIGH AS 20 MPH NORTH EARLY THIS EVENING...WILL DROP WIND CHILLS TO BETWEEN 20 AND 30 BELOW ZERO. ALTHOUGH IT WILL REMAIN BITTERLY COLD OVERNIGHT...WIND SPEEDS SHOULD DIMINISH SUCH THAT WIND CHILL EFFECTS WILL BE MINIMAL. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS MAY RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU COVER AS MUCH EXPOSED SKIN AS POSSIBLE WITH MULTIPLE LAYERS OF CLOTHING BEST TO STAY WARM. FROSTBITE ON EXPOSED SKIN CAN OCCUR IN AS FEW AS 30 MINUTES WHEN WIND CHILLS DIP TO UNDER 20 BELOW ZERO. $$ SMALL
000 WWUS43 KDMX 050209 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 809 PM CST SUN FEB 4 2007 ...WINDS ARE DIMINISHING ACROSS THE AREA THIS EVENING... .HIGH PRESSURE MOVING INTO THE AREA HAS ALLOWED THE WINDS TO DIMINISH. IAZ004>007-015>017-023>028-033>039-047>050-050315- /O.CAN.KDMX.WC.Y.0004.000000T0000Z-070205T0400Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO 809 PM CST SUN FEB 4 2007 ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND CHILL ADVISORY. WINDS HAVE FALLEN BELOW 10 MPH THIS EVENING AND WILL CONTINUE TO DIMINISH...THEREFORE THE ADVISORY HAS BEEN CANCELLED. TEMPERATURES OVERNIGHT WILL STILL BE VERY COLD WITH LOWS 10 TO 20 BELOW ZERO. $$ DONAVON
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 2, 2:10 PM CST, 1 hour 1 minute earlier.
Area forecast discussion, Feb 2, 2:10 PM CST, 1 hour 1 minute before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DES MOINES IA 210 PM CST FRI FEB 2 2007 .DISCUSSION... OVERRIDING CONCERN WILL BE TEMPERATURES FOR THIS WEEKEND (SHORT TERM) AND INTO EARLY NEXT WEEK LONG TERM). IN SHORT TERM SYSTEMS CONTINUE TO TRACK DOWN STRONG NORTHWESTERLY FLOW WITH INDISCERNIBLE IMPULSES IN THIS PATTERN. ANOTHER BIG QUESTION WILL BE TIMING OF MODERATION AS LATEST MODEL RUNS CONTINUE TO DELAY THIS EVENT ATTM UNTIL LATE NEXT WEEK. TONIGHT WILL LEAVE FLURRIES OVERNIGHT AS ONE OF THOSE IMPULSES MOVES DOWN THE FLOW. MODELS APPEAR TO BE HANDLING THIS WELL IAW SATELLITE TRENDS. YET ANOTHER REENFORCEMENT OF COLD AIR OUT OF THE ARCTIC. ON SATURDAY WILL LEAVE FLURRIES FOR ABOVE MENTIONED REASONS THOUGH IMPULSE MUCH WEAKER. SUNDAY MODEL TREND IS FOR NO DISCERNIBLE IMPULSES IN THE FLOW HAVE LEFT DRY AND COLD. LIKELY WILL NEED WIND CHILL ADVISORIES MUCH OF THE WEEKEND ESPECIALLY OVERNIGHT AND EARLY MORNING. ATTM HOWEVER ONLY ISSUING FOR 03Z/3 TO 18Z/3. IN LONGER RANGE IS BIG PROBLEM OF TEMPERATURES. THOUGH EARLIER MODELS HAD FAIRLY GOOD MODERATION OF THE TEMPERATURES AS STRONG NORTH NORTHWESTERLY FLOW REMAINED. THERE IS A HINT OF THE RIDGE BREAKING DOWN AND GOOD CHANCE OF AROUND NORMAL TEMPERATURES BY LATE IN THE WEEK. GLANCE AT MONDAY NIGHT/TUESDAY OF CHANCE FOR SNOW WITH WAA HOWEVER FOR REASONS JUST STATED DO NOT EXPECT WARMING UNTIL LATER IN THE WEEK THUS THE DRY FORECAST AND COLD CONTINUED IN REFLECTION OF TEMPERATURES. LOOKING AT CURRENT SOUNDINGS THOUGH WARM AIR ALOFT REMAINS DRY IN THE LOWEST LAYERS INVERSION WITH LITTLE MIXING OR PCPN. && .DMX WATCHES/WARNINGS/ADVISORIES...WIND CHILL ADVISORY ENTIRE CWA FROM 9 PM TONIGHT UNTIL NOON SATURDAY. && FORSTER/211/42
Hazardous weather outlook, Feb 2, 12:12 PM CST, 2 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 1212 PM CST FRI FEB 2 2007 IAZ004>007-015>017-023>028-033>039-044>050-031200- 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- 1212 PM CST FRI FEB 2 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA...GENERALLY FROM U.S. HIGHWAY 30 NORTH. .DAY ONE...THIS AFTERNOON AND TONIGHT NORTHWEST WINDS OF 15 TO 25 MPH...COMBINED WITH SUB-ZERO TEMPERATURES...WILL PRODUCE WIND CHILL INDICES IN THE 10 TO NEAR 20 BELOW ZERO RANGE THROUGH THE AFTERNOON HOURS. ANOTHER PUSH OF COLD AIR WILL OVERSPREAD THE AREA TONIGHT ON GUSTY NORTHWEST WINDS OF 15 TO 30 MPH. WIND CHILL INDICES WILL FALL TO 30 TO 35 BELOW ZERO BY LATE TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WIND CHILL INDICES WILL GENERALLY REMAIN IN THE 25 TO 35 BELOW ZERO RANGE THROUGH MIDDAY MONDAY. MODERATION IS EXPECTED BY TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. IAZ057>062-070>075-081>086-092>097-031200- AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO- TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- 1212 PM CST FRI FEB 2 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA SOUTH OF U.S. HIGHWAY 30. .DAY ONE...TODAY AND TONIGHT NORTHWEST WINDS OF 15 TO 25 MPH...COMBINED WITH SINGLE DIGIT TEMPERATURES EITHER SIDE OF ZERO...WILL PRODUCE WIND CHILL INDICES IN THE 5 TO 15 BELOW ZERO RANGE THROUGH THE AFTERNOON. ANOTHER PUSH OF COLD AIR WILL OVERSPREAD THE AREA LATE TONIGHT ON GUSTY NORTHWEST WINDS OF 15 TO 30 MPH. WIND CHILL INDICES WILL FALL TO 15 TO 30 BELOW ZERO BY MORNING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY WIND CHILL INDICES WILL GENERALLY BE IN THE 20 TO 25 BELOW ZERO RANGE DURING THE NIGHT...AND 10 TO 20 BELOW RANGE DURING THE DAY THROUGH MIDDAY MONDAY. MODERATION IS EXPECTED BY TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
Nearby
Wind Chill Advisories in Iowa, 2007Every wind chill advisory in 2007
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.