Alert archive / Iowa / Winter Storm Warnings in 2007
Winter Storm Warning 11, NWS Des Moines, IA
NWS Des Moines, IA issued this winter storm warning at Nov 30, 2007, 3:52 PM CST for 21 counties in Iowa. It took effect at Dec 1, 2007, 6:00 AM CST. It was in force for 15 hr. 29 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 30, 2007, 3:52 PM CST (21:52 UTC)
- In effect from
- Dec 1, 2007, 6:00 AM CST
- Expired
- Dec 1, 2007, 8:56 PM CST
- In force
- 15 hr
- Issued by
- NWS Des Moines, IA
All 21 counties
Black Hawk County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Tama County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 115 km from the middle of the area, began a volume at 21:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 1, 8:58 AM CST | SNOW 1.5 | Estherville, IA | SNOW IS MIXING WITH SLEET |
| Dec 1, 9:02 AM CST | SLEET 0.25 | N Gowrie, IA | |
| Dec 1, 10:31 AM CST | SLEET 0.25 | Waterloo, IA | |
| Dec 1, 10:48 AM CST | SLEET 0.1 | Cedar Falls, IA | |
| Dec 1, 11:19 AM CST | SNOW 2 | Emmetsburg, IA | ONE AND ONE HALF TO TWO INCHES OF SNOW MIXED WITH SOME SLEET |
| Dec 1, 11:23 AM CST | SNOW 2 | Algona, IA | ONE AND ONE HALF INCH TO TWO INCHES OF SNOW MIXED WITH SOME SLEET |
| Dec 1, 11:24 AM CST | SLEET 0.25 | Dakota City, IA | 1/2 INCH OF SNOW |
| Dec 1, 11:27 AM CST | SNOW 1 | Lake Mills, IA | SOME SLEET MIXED IN WITH THE SNOW. |
| Dec 1, 11:41 AM CST | HEAVY SLEET 0.5 | Cedar Falls, IA | |
| Dec 1, 11:43 AM CST | HEAVY SLEET 1 | Pocahontas, IA | ONE INCH OF SNOW |
| Dec 1, 12:23 PM CST | HEAVY SLEET 0.5 | Mason City, IA | ONE INCH OF SNOW |
| Dec 1, 12:32 PM CST | HEAVY SLEET 0.7 | Waterloo, IA | |
| Dec 1, 12:42 PM CST | HEAVY SLEET 1 | Cedar Falls, IA | |
| Dec 1, 12:52 PM CST | FREEZING RAIN 0.25 | Rockwell City, IA | 2 INCHES OF SLEET AND SNOW MIX...1/4 INCH ICE ACCUMULATION ON SURFACES |
| Dec 1, 1:04 PM CST | HEAVY SLEET 1 | Estherville, IA | 1.5 INCHES OF SNOW. SLEET CHANGING TO FZRA. |
| Dec 1, 1:12 PM CST | HEAVY SLEET 1 | Fort Dodge, IA | ONE TO ONE HALF INCH SLEET WITH ONE HALF INCH OF SNOW |
| Dec 1, 1:19 PM CST | HEAVY SLEET 2 | Webster City, IA | 2 INCHES OF SLEET MIXED WITH SNOW |
| Dec 1, 1:21 PM CST | HEAVY SLEET 2 | Clarion, IA | 2 INCHES OF SLEET MIXED WITH SNOW |
| Dec 1, 1:24 PM CST | FREEZING RAIN 0.25 | Allison, IA | 1/4 INCH ICE ACCRUAL MIXED WITH 2 INCHES OF SNOW |
| Dec 1, 1:29 PM CST | FREEZING RAIN 0.25 | Hampton, IA | 1/4 INCH ICE ACCRUAL WITH 2 INCHES OF SNOW/SLEET |
| Dec 1, 1:30 PM CST | HEAVY SLEET 2 | Britt, IA | ONE AND ONE HALF TO TWO INCHES OF SLEET MIXED WITH SNOW |
| Dec 1, 1:38 PM CST | FREEZING RAIN 0.25 | Grundy Center, IA | 1/4 INCH ICE ACCRUAL AND AROUND ONE INCH SNOW/SLEET |
| Dec 1, 2:30 PM CST | HEAVY SLEET 1.75 | Cedar Falls, IA | |
| Dec 1, 2:38 PM CST | HEAVY SLEET 1.4 | Waterloo, IA | |
| Dec 1, 3:40 PM CST | SNOW 1.6 | Waterloo, IA | COOP OBSERVER REPORTED LOCALLY UP TO 2.5 INCHES OF SNOW IN WATERLOO. |
| Dec 1, 4:06 PM CST | SNOW 4 | 4 W Estherville Airport, IA | 4 INCHES OF SNOW...WITH A GLAZE OF ICE ON TOP OF SNOW. FREEZING RAIN FALLING AT TIME OF OBSERVATION. |
| Dec 1, 5:00 PM CST | SNOW 4 | Grafton, IA | 3.5 TO 4.0 INCHES OF SLEET AND SNOW ACCUMULATED OVER THE PAST 10 HOURS. FREEZING DRIZZLE AT TIME OF OBSERVATION. |
| Dec 1, 5:06 PM CST | HEAVY SLEET 2 | 1 Sse Mason City, IA | 1.5 TO 2.0 INCHES OF ICE PELLETS/SLEET ACCUMULATED IN MASON CITY. SPOTTER REPORTS THAT SEVERAL ROADS IN MASON CITY ARE ICE COVERED AND ABOUT HALF THE TOWN IS WITHOUT POWER. |
| Dec 1, 5:22 PM CST | SNOW 3 | Estherville, IA | EMERGENCY MANAGER REPORTS GENERALLY 3 INCHES OF SNOW ACCUMULATION COUNTY WIDE. RURAL ROADS AND STATE COUNTY HIGHWAYS ARE COVERED WITH A GLAZE OF ICE ON TOP 3-4 INCHES OF SNOW. FREEZING RAIN AT TIME OF OBSERVATION WHICH HAS BEGUN TO STICK TO TREES AND POWERLINE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 232 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
- 1089 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 53 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 302152 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 352 PM CST FRI NOV 30 2007 ...SIGNIFICANT WINTER STORM TO IMPACT IOWA SATURDAY AND SATURDAY NIGHT... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN SATURDAY NIGHT. A WINTRY MIX OF PRECIPITATION IS EXPECTED ACROSS THE REGION SATURDAY THROUGH SATURDAY NIGHT...BEFORE THE PRECIPITATION TAPERS OFF. SIGNIFICANT SNOW AND ICE ACCUMULATIONS ARE EXPECTED. IAZ044>049-057>062-070>075-081>086-092>097-010600- /O.UPG.KDMX.WS.A.0008.071201T1200Z-071202T1200Z/ /O.NEW.KDMX.IS.W.0001.071201T1200Z-071201T2100Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-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...BOONE... AMES...MARSHALLTOWN...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 352 PM CST FRI NOV 30 2007 ...ICE STORM WARNING IN EFFECT FROM 6 AM TO 3 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED AN ICE STORM WARNING...WHICH IS IN EFFECT FROM 6 AM TO 3 PM CST SATURDAY. A MIX OF FREEZING RAIN...SLEET...AND SNOW WILL SPREAD INTO SOUTHERN ANC CENTRAL IOWA SATURDAY MORNING...AFFECTING LOCATIONS ALONG AND SOUTH OF HIGHWAY 30. TOTAL SNOWFALL AMOUNTS WILL REMAIN LIGHT...RANGING FROM AN INCH ALONG HIGHWAY 30...TO NOTHING NEAR THE IOWA MISSOURI BORDER. HOWEVER...AS WARMER AIR SPREADS NORTH...PRECIPITATION TYPE WILL TRANSITION TO SLEET AND FREEZING RAIN. ONE QUARTER TO ONE HALF INCH OF GLAZE ICE IS EXPECTED ACROSS THE WARNING AREA...ALONG WITH SLEET ACCUMULATIONS UP TO ONE HALF INCH. AS WARMER AIR CONTINUES TO SURGE NORTHWARD...PRECIPITATION WILL CHANGE OVER TO ALL RAIN FROM SOUTH TO NORTH DURING THE AFTERNOON HOURS. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ004>007-015>017-023>028-033>039-050-010600- /O.UPG.KDMX.WS.A.0008.071201T1200Z-071202T1200Z/ /O.NEW.KDMX.WS.W.0011.071201T1200Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-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...TOLEDO 352 PM CST FRI NOV 30 2007 ...WINTER STORM WARNING IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST SUNDAY. MODERATE TO OCCASIONALLY HEAVY SNOW WILL SPREAD NORTH INTO NORTHERN IOWA SATURDAY MORNING...AFFECTING LOCATIONS NORTH OF HIGHWAY 30. FROM LATE MORNING THROUGH SATURDAY AFTERNOON...SNOW WILL BECOME MIXED WITH THEN CHANGE OVER TO SLEET AND FREEZING RAIN. BY SATURDAY EVENING...EXPECT MAINLY FREEZING RAIN...WITH PRECIPITATION TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL AMOUNTS THROUGH EARLY SATURDAY AFTERNOON WILL VARY FROM AN INCH OR TWO NEAR HIGHWAY 20...TO 4 OR 5 INCHES NEAR THE IOWA MINNESOTA BORDER. FOLLOWING THE SNOW...EXPECT SLEET ACCUMULATIONS UP TO ONE HALF INCH...THEN ONE HALF TO THREE QUARTERS OF GLAZE ICE ACCUMULATION. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ KINNEY
8 follow-up statements
000 WWUS43 KDMX 302206 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 406 PM CST FRI NOV 30 2007 ...SIGNIFICANT WINTER STORM TO IMPACT IOWA SATURDAY AND SATURDAY NIGHT... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN SATURDAY NIGHT. A WINTRY MIX OF PRECIPITATION IS EXPECTED ACROSS THE REGION SATURDAY THROUGH SATURDAY NIGHT...BEFORE THE PRECIPITATION TAPERS OFF. SIGNIFICANT SNOW AND ICE ACCUMULATIONS ARE EXPECTED. IAZ044>049-057>062-070>075-081>086-092>097-010615- /O.CON.KDMX.IS.W.0001.071201T1200Z-071201T2100Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-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...BOONE... AMES...MARSHALLTOWN...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 406 PM CST FRI NOV 30 2007 ...ICE STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 3 PM CST SATURDAY... AN ICE STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 3 PM CST SATURDAY. A MIX OF FREEZING RAIN...SLEET...AND SNOW WILL SPREAD INTO SOUTHERN ANC CENTRAL IOWA SATURDAY MORNING...AFFECTING LOCATIONS ALONG AND SOUTH OF HIGHWAY 30. TOTAL SNOWFALL AMOUNTS WILL REMAIN LIGHT...RANGING FROM AN INCH ALONG HIGHWAY 30...TO NOTHING NEAR THE IOWA MISSOURI BORDER. HOWEVER...AS WARMER AIR SPREADS NORTH... PRECIPITATION TYPE WILL TRANSITION TO SLEET AND FREEZING RAIN. ONE QUARTER TO ONE HALF INCH OF GLAZE ICE IS EXPECTED ACROSS THE WARNING AREA...ALONG WITH SLEET ACCUMULATIONS UP TO ONE HALF INCH. AS WARMER AIR CONTINUES TO SURGE NORTHWARD...PRECIPITATION WILL CHANGE OVER TO ALL RAIN FROM SOUTH TO NORTH DURING THE AFTERNOON HOURS. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ004>007-015>017-023>028-033>039-050-010615- /O.CON.KDMX.WS.W.0011.071201T1200Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-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...TOLEDO 406 PM CST FRI NOV 30 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST SUNDAY. MODERATE TO OCCASIONALLY HEAVY SNOW WILL SPREAD NORTH INTO NORTHERN IOWA SATURDAY MORNING...AFFECTING LOCATIONS NORTH OF HIGHWAY 30. FROM LATE MORNING THROUGH SATURDAY AFTERNOON...SNOW WILL BECOME MIXED WITH THEN CHANGE OVER TO SLEET AND FREEZING RAIN. BY SATURDAY EVENING...EXPECT MAINLY FREEZING RAIN...WITH PRECIPITATION TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL AMOUNTS THROUGH EARLY SATURDAY AFTERNOON WILL VARY FROM AN INCH OR TWO NEAR HIGHWAY 20...TO 4 OR 5 INCHES NEAR THE IOWA MINNESOTA BORDER. FOLLOWING THE SNOW...EXPECT SLEET ACCUMULATIONS UP TO ONE HALF INCH...THEN ONE HALF TO THREE QUARTERS OF GLAZE ICE ACCUMULATION. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ RPK/BSS
000 WWUS43 KDMX 010238 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 838 PM CST FRI NOV 30 2007 ...SIGNIFICANT WINTER STORM TO IMPACT IOWA SATURDAY AND SATURDAY NIGHT... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN SATURDAY NIGHT. A WINTRY MIX OF PRECIPITATION IS EXPECTED ACROSS THE REGION SATURDAY THROUGH SATURDAY NIGHT...BEFORE THE PRECIPITATION TAPERS OFF. SIGNIFICANT SNOW AND ICE ACCUMULATIONS ARE EXPECTED. IAZ044>049-057>062-070>075-081>086-092>097-011045- /O.CON.KDMX.IS.W.0001.071201T1200Z-071201T2100Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-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...BOONE... AMES...MARSHALLTOWN...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 838 PM CST FRI NOV 30 2007 ...ICE STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 3 PM CST SATURDAY... AN ICE STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 3 PM CST SATURDAY. A MIX OF FREEZING RAIN...SLEET...AND SNOW WILL SPREAD INTO SOUTHERN AND CENTRAL IOWA SATURDAY MORNING...AFFECTING LOCATIONS ALONG AND SOUTH OF HIGHWAY 30. TOTAL SNOWFALL AMOUNTS WILL REMAIN LIGHT...RANGING FROM AN INCH ALONG HIGHWAY 30...TO NOTHING NEAR THE IOWA MISSOURI BORDER. HOWEVER...AS WARMER AIR SPREADS NORTH... PRECIPITATION TYPE WILL TRANSITION TO SLEET AND FREEZING RAIN. ONE QUARTER TO ONE HALF INCH OF GLAZE ICE IS EXPECTED ACROSS THE WARNING AREA...ALONG WITH SLEET ACCUMULATIONS UP TO ONE HALF INCH. AS WARMER AIR CONTINUES TO SURGE NORTHWARD...PRECIPITATION WILL CHANGE OVER TO ALL RAIN FROM SOUTH TO NORTH DURING THE AFTERNOON HOURS. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ004>007-015>017-023>028-033>039-050-011045- /O.CON.KDMX.WS.W.0011.071201T1200Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-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...TOLEDO 838 PM CST FRI NOV 30 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST SUNDAY. MODERATE TO OCCASIONALLY HEAVY SNOW WILL SPREAD NORTH INTO NORTHERN IOWA SATURDAY MORNING...AFFECTING LOCATIONS NORTH OF HIGHWAY 30. FROM LATE MORNING THROUGH SATURDAY AFTERNOON...SNOW WILL BECOME MIXED WITH THEN CHANGE OVER TO SLEET AND FREEZING RAIN. BY SATURDAY EVENING...EXPECT MAINLY FREEZING RAIN...WITH PRECIPITATION TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL AMOUNTS THROUGH EARLY SATURDAY AFTERNOON WILL VARY FROM AN INCH OR TWO NEAR HIGHWAY 20...TO 4 OR 5 INCHES NEAR THE IOWA MINNESOTA BORDER. FOLLOWING THE SNOW...EXPECT SLEET ACCUMULATIONS UP TO ONE HALF INCH...THEN ONE HALF TO THREE QUARTERS OF GLAZE ICE ACCUMULATION. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ JOHNSON
000 WWUS43 KDMX 010953 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 353 AM CST SAT DEC 1 2007 ...SIGNIFICANT ICE STORM TO IMPACT IOWA TODAY INTO TONIGHT... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN TODAY AND TONIGHT. A WINTRY MIX OF PRECIPITATION IS EXPECTED ACROSS THE REGION SATURDAY THROUGH SATURDAY NIGHT...BEFORE THE PRECIPITATION TAPERS OFF. SIGNIFICANT SNOW AND ICE ACCUMULATIONS ARE EXPECTED. IAZ044>049-057>062-070>075-081>086-092>097-011800- /O.CON.KDMX.IS.W.0001.071201T1200Z-071201T2100Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-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...BOONE... AMES...MARSHALLTOWN...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 353 AM CST SAT DEC 1 2007 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. A MIX OF FREEZING RAIN...SLEET...AND SNOW WILL SPREAD INTO SOUTHERN AND CENTRAL IOWA THIS MORNING...AFFECTING LOCATIONS ALONG AND SOUTH OF HIGHWAY 30. THE PERIOD OF SNOW AND SLEET IS EXPECTED TO BE BRIEF WITH PRECIPITATION CHANGING TO ALL FREEZING RAIN WITHIN AN HOUR OR TWO OF INCEPTION. TOTAL SNOW AND SLEET ACCUMULATIONS ARE NOT EXPECTED TO BE MORE THAN ABOUT ONE HALF INCH. FREEZING RAIN ACCRETION WILL BE THE MORE SIGNIFICANT PROBLEM WITH A LAYER OF GLAZE FORMING ONE QUARTER TO ONE HALF INCH THICK. AS WARMER AIR SPREADS NORTH... PRECIPITATION TYPE WILL TRANSITION TO RAIN BY LATE MORNING OVER THE SOUTHERN IOWA BORDER...AND AS FAR NORTH AS INTERSTATE 80 BY EARLY AFTERNOON. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ004>007-015>017-023>028-033>039-050-011800- /O.CON.KDMX.WS.W.0011.071201T1200Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-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...TOLEDO 353 AM CST SAT DEC 1 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. MODERATE TO OCCASIONALLY HEAVY SNOW WILL SPREAD NORTH INTO NORTHERN IOWA THIS MORNING...AFFECTING LOCATIONS NORTH OF HIGHWAY 30. THE SNOW WILL BECOME MIXED WITH AND CHANGE OVER TO SLEET FAIRLY RAPIDLY DURING THE MORNING WITH THE PREDOMINANT PRECIPITATION TYPE BEING FREEZING RAIN THIS AFTERNOON. THE FREEZING RAIN WILL TAPER OFF AFTER MIDNIGHT. TOTAL SNOWFALL AMOUNTS THROUGH THE DAY TODAY WILL GENERALLY BE IN THE ONE TO TWO INCH RANGE FROM U.S. HIGHWAY 30 TO U.S. HIGHWAY 18...WITH 3 TO 5 INCH AMOUNTS NORTH OF U.S. HIGHWAY 18...HEAVIEST NEAR THE MINNESOTA LINE. FOLLOWING THE SNOW...EXPECT SLEET ACCUMULATIONS UP TO ONE HALF INCH...THEN ONE HALF TO ONE INCH OF GLAZE ICE ACCUMULATION. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THE DAY SATURDAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH WILL LIKELY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. THE POTENTIAL EXISTS FOR MAJOR POWER OUTAGES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$
000 WWUS43 KDMX 011644 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1044 AM CST SAT DEC 1 2007 ...SIGNIFICANT ICE STORM ONGOING ACROSS CENTRAL IOWA... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN TODAY AND TONIGHT. A WINTRY MIX OF PRECIPITATION IS EXPECTED ACROSS THE REGION TODAY AND TONIGHT...BEFORE THE PRECIPITATION TAPERS OFF. SIGNIFICANT SNOW AND ICE ACCUMULATIONS ARE EXPECTED. IAZ044>049-057>062-070>075-081>086-092>097-012100- /O.CON.KDMX.IS.W.0001.000000T0000Z-071201T2100Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-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...BOONE... AMES...MARSHALLTOWN...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 1044 AM CST SAT DEC 1 2007 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. SLEET...MIXED WITH FREEZING RAIN AND SNOW AT TIMES...WILL CONTINUE THROUGH NOON. DURING THE AFTERNOON...EXPECT THE PRECIPITATION TO TRANSITION TO RAIN AND FREEZING RAIN...WITH SOUTHERN MOST AREAS CHANGING TO ALL RAIN FIRST...AND AREAS ALONG AND NORTH OF INTERSTATE 80 TRANSITIONING TO ALL RAIN AFTER 3 PM. ONE QUARTER TO AS MUCH AS ONE HALF INCH OF ICE HAS ALREADY ACCUMULATED ACROSS THE WARNING AREA. PERIODS OF MODERATE TO HEAVY PRECIPITATION WILL CONTINUE THROUGH MUCH OF THE AFTERNOON. WHILE SOUTHERN AND SOUTHWESTERN AREAS WILL SEE SOME IMPROVEMENT AFTER NOON...AREAS ALONG AND NORTH OF INTERSTATE 80 AND OVER TOWARD OTTUMWA CAN EXPECT HEAVY ICE ACCUMULATIONS...POSSIBLY AS MUCH AS THREE QUARTERS OF AN INCH OF GLAZE ON TOP OF THE ONE HALF TO ONE INCH OF SNOW AND SLEET ACCUMULATION THROUGH AT LEAST THE MIDDLE AFTERNOON. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS TODAY. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ004>007-015>017-023>028-033>039-050-020045- /O.CON.KDMX.WS.W.0011.000000T0000Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...TOLEDO 1044 AM CST SAT DEC 1 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. MODERATE TO OCCASIONALLY HEAVY SLEET...MIXED AT TIMES WITH FREEZING RAIN AND SNOW WILL CONTINUE THROUGH MID AFTERNOON. BY MID AFTERNOON...THE PRECIPITATION WILL TRANSITION TO MAINLY SLEET AND FREEZING RAIN. SNOW AND SLEET ACCUMULATIONS WILL BE 2 TO 4 INCHES BEFORE THE TRANSITION TO FREEZING RAIN. ICE ACCRUAL ON TOP OF THE FROZEN PRECIPITATION WILL LIKELY BE HEAVY...ONE HALF TO ONE INCH. THE HEAVIEST AMOUNTS OF THIS WINTRY MIX CAN BE EXPECTED NORTH OF HIGHWAY 18. PRECIPITATION WILL TAPER OFF TO PATCHY FREEZING DRIZZLE AFTER MIDNIGHT TONIGHT. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING TODAY AND TONIGHT. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH WILL LIKELY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. THE POTENTIAL EXISTS FOR MAJOR POWER OUTAGES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ MOYER
000 WWUS43 KDMX 011835 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1235 PM CST SAT DEC 1 2007 ...SIGNIFICANT ICE STORM ONGOING ACROSS CENTRAL IOWA... ...WARMER AIR MOVING NORTH AND ENDING ICING ACROSS SOUTHWEST CENTRAL IOWA... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN TODAY AND TONIGHT. A WINTRY MIX OF PRECIPITATION WILL CONTINUE NORTHEAST OF A LINE FROM CARROLL TO WINTERSET TO CENTERVILLE THIS AFTERNOON...AND NORTH OF HIGHWAY 30 INTO TONIGHT. SIGNIFICANT ICE ACCUMULATIONS ARE EXPECTED FOR THE DURATION OF THIS EVENT IN THE WARNED AREAS. IAZ044-057-070-071-081>083-092>095-011945- /O.CAN.KDMX.IS.W.0001.000000T0000Z-071201T2100Z/ CRAWFORD-AUDUBON-CASS-ADAIR-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD- DECATUR-WAYNE- INCLUDING THE CITIES OF...DENISON...AUDUBON...ATLANTIC... GREENFIELD...CORNING...CRESTON...OSCEOLA...BEDFORD...MOUNT AYR... LEON...CORYDON 1235 PM CST SAT DEC 1 2007 ...ICE STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE ICE STORM WARNING. WARMER AIR HAS MOVED INTO THE REGION AND CHANGED THE PRECIPITATION TO RAIN. THERE WILL NOT BE ANY ADDITIONAL ICE ACCUMULATION TODAY OR TONIGHT. HOWEVER...ONE QUARTER TO ONE THIRD OF AN INCH OF ICE DID ACCRUE ON SURFACES THIS MORNING. TRAVELERS SHOULD STILL USE CAUTION AS ICE MAY STILL COVER SOME ROADS. AS THE ICE MELTS...BE ALERT FOR FALLING ICE FROM ELEVATED SURFACES LIKE TREES AND POWER LINES. $$ IAZ045>049-058>062-072>075-084>086-096-097-012100- /O.CON.KDMX.IS.W.0001.000000T0000Z-071201T2100Z/ CARROLL-GREENE-BOONE-STORY-MARSHALL-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-MADISON-WARREN-MARION-MAHASKA-LUCAS-MONROE-WAPELLO- APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CARROLL...JEFFERSON...BOONE...AMES... MARSHALLTOWN...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON... GRINNELL...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA... CHARITON...ALBIA...OTTUMWA...CENTERVILLE...BLOOMFIELD 1235 PM CST SAT DEC 1 2007 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. FREEZING RAIN AND SLEET WILL CONTINUE THROUGH THE MID AFTERNOON...BUT TRANSITION TO RAIN FROM THE SOUTH AS SURFACE TEMPERATURES CREEP JUST ABOVE FREEZING. AS MUCH AS ONE INCH OF SLEET AND SNOW HAS FALLEN ACROSS THE WARNED AREA AND AN ADDITIONAL ONE QUARTER TO ONE HALF INCH OF ICE IS LIKELY TO ACCRUE THIS AFTERNOON BEFORE PRECIPITATION TRANSITIONS TO JUST RAIN. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS THIS AFTERNOON. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL... KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ004>007-015>017-023>028-033>039-050-020245- /O.CON.KDMX.WS.W.0011.000000T0000Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-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...TOLEDO 1235 PM CST SAT DEC 1 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. MODERATE TO OCCASIONALLY HEAVY SLEET...MIXED AT TIMES WITH FREEZING RAIN AND SNOW WILL CONTINUE THROUGH MID AFTERNOON. BY MID AFTERNOON...THE PRECIPITATION WILL TRANSITION TO MAINLY SLEET AND FREEZING RAIN. SNOW AND SLEET ACCUMULATIONS WILL BE 2 TO 3 INCHES BEFORE THE TRANSITION TO FREEZING RAIN. ICE ACCRUAL ON TOP OF THE FROZEN PRECIPITATION WILL LIKELY BE HEAVY...MAINLY AROUND ONE HALF INCH. THE HEAVIEST AMOUNTS OF THIS WINTRY MIX CAN BE EXPECTED NORTH OF HIGHWAY 18. A TRANSITION TO RAIN IS LIKELY DURING THE EARLY EVENING HOURS SOUTH OF HIGHWAY 20...AND ALL PRECIPITATION WILL TAPER OFF TO PATCHY DRIZZLE OR FREEZING DRIZZLE AFTER MIDNIGHT TONIGHT. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THIS AFTERNOON AND TONIGHT. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH WILL LIKELY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. THE POTENTIAL EXISTS FOR MAJOR POWER OUTAGES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ MOYER
000 WWUS43 KDMX 012124 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 324 PM CST SAT DEC 1 2007 ...SIGNIFICANT ICE STORM WINDING DOWN ACROSS CENTRAL IOWA... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN TONIGHT. A WINTRY MIX OF FREEZING RAIN AND RAIN WILL CONTINUE ACROSS NORTHERN AND NORTHEAST AREAS INTO THE EARLY EVENING HOURS. FARTHER SOUTH AND WEST...WARM AIR HAS SURGED NORTH INTO CENTRAL IOWA AND TURNED ANY PRECIPITATION OVER TO RAIN. IAZ033-012230- /O.CAN.KDMX.WS.W.0011.000000T0000Z-071202T1200Z/ SAC- INCLUDING THE CITY OF...SAC CITY 324 PM CST SAT DEC 1 2007 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WINTER STORM WARNING. WARMER AIR HAS MOVED INTO THE REGION...PUSHING SURFACE TEMPERATURES ABOVE FREEZING. THERE IS NO LONGER A THREAT FOR ICE ACCUMULATION. HOWEVER...SOME ROADS MAY STILL BE ICE COVERED AND TREACHEROUS. $$ IAZ048-049-061-062-012300- /O.EXP.KDMX.IS.W.0001.000000T0000Z-071201T2100Z/ /O.NEW.KDMX.IS.W.0002.071201T2124Z-071201T2300Z/ STORY-MARSHALL-JASPER-POWESHIEK- INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...NEWTON...GRINNELL 324 PM CST SAT DEC 1 2007 ...ICE STORM WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... ...ICE STORM WARNING HAS EXPIRED /HAS BEEN EXTENDED/... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS EXTENDED AN ICE STORM WARNING...WHICH IS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. FREEZING RAIN WILL CONTINUE THROUGH THE LATE AFTERNOON...BUT TRANSITION TO RAIN OR DRIZZLE FROM THE SOUTHWEST AS SURFACE TEMPERATURES CREEP JUST ABOVE FREEZING BY 5 PM. AS MUCH AS ONE INCH OF SLEET AND SNOW AND A QUARTER INCH OF GLAZE HAS FALLEN ACROSS THE WARNED AREA AND AN ADDITIONAL ONE TENTH OF AN INCH OF ICE IS LIKELY TO ACCRUE THIS AFTERNOON BEFORE PRECIPITATION TRANSITIONS TO JUST RAIN. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS THIS AFTERNOON. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH MAY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL... KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ IAZ045>047-058>060-072>075-084>086-096-097-012230- /O.EXP.KDMX.IS.W.0001.000000T0000Z-071201T2100Z/ CARROLL-GREENE-BOONE-GUTHRIE-DALLAS-POLK-MADISON-WARREN-MARION- MAHASKA-LUCAS-MONROE-WAPELLO-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CARROLL...JEFFERSON...BOONE... GUTHRIE CENTER...ADEL...DES MOINES...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA...CHARITON...ALBIA...OTTUMWA... CENTERVILLE...BLOOMFIELD 324 PM CST SAT DEC 1 2007 ...ICE STORM WARNING HAS EXPIRED... THE ICE STORM WARNING IS NO LONGER IN EFFECT. WARMER AIR HAS MOVED INTO THE REGION...PUSHING SURFACE TEMPERATURES ABOVE FREEZING. THERE IS NO LONGER A THREAT FOR ICE ACCUMULATION. HOWEVER...SOME ROADS MAY STILL BE ICE COVERED AND TREACHEROUS. $$ IAZ004>007-015>017-023>028-034>039-050-020530- /O.CON.KDMX.WS.W.0011.000000T0000Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...TOLEDO 324 PM CST SAT DEC 1 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. ANY SNOW OR SLEET WILL QUICKLY TRANSITION TO FREEZING RAIN AND FREEZING DRIZZLE LATE THIS AFTERNOON. ADDITIONAL ICE ACCRUAL ON TOP OF THE HEAVY FROZEN PRECIPITATION WILL LIKELY BE AROUND ONE QUARTER INCH. THE HEAVIEST AMOUNTS OF THIS WINTRY MIX CAN BE EXPECTED NORTH OF HIGHWAY 18. A TRANSITION TO RAIN IS LIKELY DURING THE EARLY EVENING HOURS SOUTH OF HIGHWAY 20...AND ALL PRECIPITATION WILL TAPER OFF TO PATCHY DRIZZLE OR FREEZING DRIZZLE AFTER 9 PM TONIGHT. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THIS AFTERNOON AND TONIGHT. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH WILL LIKELY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. THE POTENTIAL EXISTS FOR MAJOR POWER OUTAGES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$ MOYER
000 WWUS43 KDMX 012251 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 451 PM CST SAT DEC 1 2007 ...SIGNIFICANT ICE STORM DIMINISHING ACROSS CENTRAL IOWA... .STRONG LOW PRESSURE WILL MOVE ACROSS IOWA INTO WISCONSIN TONIGHT. A WINTRY MIX OF FREEZING RAIN AND RAIN WILL CONTINUE ACROSS NORTHERN AND NORTHEAST AREAS INTO THE EARLY EVENING HOURS. FARTHER SOUTH AND WEST...WARM AIR HAS SURGED NORTH INTO CENTRAL IOWA AND TURNED ANY PRECIPITATION OVER TO RAIN. IAZ048-049-061-062-020000- /O.EXP.KDMX.IS.W.0002.000000T0000Z-071201T2300Z/ STORY-MARSHALL-JASPER-POWESHIEK- INCLUDING THE CITIES OF...AMES...MARSHALLTOWN...NEWTON...GRINNELL 451 PM CST SAT DEC 1 2007 ...ICE STORM WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON... TEMPERATURES CONTINUE TO SLOWLY WARM OVER PORTIONS OF CENTRAL IOWA AND PRECIPITATION IS SLOWLY DIMINISHING AS WELL. WITH THE FREEZING RAIN COMING TO AN END AS IT EITHER CHANGES OVER TO LIGHT RAIN...OR ENDS...THE ICE STORM WARNING WILL BE ALLOWED TO EXPIRE. ROAD CONDITIONS WILL REMAIN CHALLENGING FOR THE REMAINDER OF THE NIGHT SO PERSONS WHO MUST TRAVEL...SHOULD EXERCISE EXTREME CAUTION AND CARRY A WINTER TRAVEL SAFETY KIT. $$ IAZ004>007-015>017-023>028-034>039-050-020700- /O.CON.KDMX.WS.W.0011.000000T0000Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...TOLEDO 451 PM CST SAT DEC 1 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. ANY SNOW OR SLEET WILL QUICKLY TRANSITION TO FREEZING RAIN AND FREEZING DRIZZLE LATE THIS AFTERNOON. ADDITIONAL ICE ACCRUAL ON TOP OF THE HEAVY FROZEN PRECIPITATION WILL LIKELY BE AROUND ONE QUARTER INCH. THE HEAVIEST AMOUNTS OF THIS WINTRY MIX CAN BE EXPECTED NORTH OF HIGHWAY 18. A TRANSITION TO RAIN IS LIKELY DURING THE EARLY EVENING HOURS SOUTH OF HIGHWAY 20...AND ALL PRECIPITATION WILL TAPER OFF TO PATCHY DRIZZLE OR FREEZING DRIZZLE AFTER 9 PM TONIGHT. SIGNIFICANT ICING WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS DURING THIS AFTERNOON AND TONIGHT. IN ADDITION...A SOUTHEAST WIND GUSTING OVER 30 MPH WILL LIKELY DOWN TREE LIMBS AND POWER LINES THAT ARE WEIGHED DOWN BY ICE. THE POTENTIAL EXISTS FOR MAJOR POWER OUTAGES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. $$
000 WWUS43 KDMX 020256 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 856 PM CST SAT DEC 1 2007 ...WINTER STORM NEARLY OVER ACROSS CENTRAL IOWA... .THOUGH A LIGHT MIXTURE OF PRECIPITATION STILL REMAINS OVER PORTIONS OF NORTH CENTRAL IOWA TONIGHT THE HEAVY MIXTURE THAT FELL EARLIER HAS ENDED. THEREFORE...THE WINTER STORM WARNING PREVIOUSLY IN EFFECT HAS BEEN CANCELED. IAZ004>007-015>017-023>028-034>039-050-020400- /O.CAN.KDMX.WS.W.0011.000000T0000Z-071202T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...TOLEDO 856 PM CST SAT DEC 1 2007 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELED THE WINTER STORM WARNING. SOME LIGHT PRECIPITATION IS STILL LIKELY OVERNIGHT TONIGHT... SOME LIGHT FREEZING DRIZZLE...DRIZZLE...OR LIGHT SNOW...THOUGH NO SIGNIFICANT ADDITIONAL PRECIPITATION IS EXPECTED. CAUTION IS STILL URGED ACROSS THE AREA AS ROADS REMAIN WET TO SLIPPERY AND ICE COVERED. PERSONS TRAVELING TONIGHT SHOULD EXERCISE CAUTION... ESPECIALLY OVER NORTHERN IOWA WHERE TEMPERATURES ARE NEARER THE FREEZING MARK. WET ROADS MAY AGAIN BECOME SLICK TOWARD MORNING AS TEMPERATURES FALL BELOW THE FREEZING MARK REGION WIDE. $$ REV
What forecasters said that day
The local office's own words before this winter storm warning 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 winter storm warning went out at Nov 30, 12:40 PM CST, 3 hours 12 minutes earlier.
Area forecast discussion, Nov 30, 12:40 PM CST, 3 hours 12 minutes before
AREA FORECAST DISCUSSION...UPDATE FOR AVIATION NATIONAL WEATHER SERVICE DES MOINES IA 1240 PM CST FRI NOV 30 2007 .DISCUSSION... FORECAST WILL REVOLVE AROUND IMPENDING WINTER STORM ON SATURDAY. CURRENTLY...POLAR FRONT IS PASSING THROUGH THE STATE WITH MUCH COOLER AIR SPREADING TO THE SOUTH. WHILE READINGS HAVE HELD IN THE 30S AHEAD OF THE BOUNDARY...TEMPS QUICKLY FALL INTO THE TEENS BEHIND THE BOUNDARY. EARLIER SNOWS ACRS THE NORTH HAVE ENDED IS FORCING WITH SFC LOW PASSES QUICKLY EASTWARD INTO WISCONSIN AND THE SOUTHERN GREAT LAKES. QUIET WEATHER IS EXPECTED TODAY AS SFC HIGH PRESSURE PASSES THROUGH THE STATE...ALTHOUGH TEMPS WL REMAIN COOL WITH A CANADIAN AIRMASS IN PLACE. THE WEATHER BEGINS TO TAKE A MUCH MORE OMINOUS TURN TONIGHT AS SHORTWAVE ENERGY IN THE SOUTHWESTERN UNITED STATES BEGINS TO WORK ITS WAY INTO THE PLAINS. VERY STRONG SOUTHERLY FLOW WL DEVELOP AHEAD OF A DEEPENING SFC LOW ACRS THE FRONT RANGE OF THE ROCKIES. AMPLE MOISTURE WL BE DRAW NORTHWARD IN THIS FLOW AS THE LLJ INCREASES TO 60+KTS ALONG WITH STRONG ISENTROPIC LIFT. PCPN IS EXPECTED TO BLOSSOM ACRS KS/NEBR AFTER MIDNIGHT AS SATURATION QUICKLY OCCURS IN THE STRONG WAA. POLAR AIRMASS WL BE IN PLACE IN THE WAKE OF THE RETREATING SFC RIDGE AND WL ACT TO PROVIDE THE NECESSARY INGREDIENT FOR A MESSY SYSTEM. THE FORCING AND PRECIPITIATON RAPIDLY PUSH INTO IA ON SATURDAY. MODEL SOUNDING INDICATE A BRIEF PERIOD OF SNOW...FOLLOWED QUICKLY BY SEVERAL HOURS OF SLEET/FZRA FOR MUCH OF THE SOUTHERN AND CENTRAL PORTIONS OF THE CWA. MODEL COBB OUTPUT WAS SUGGESTING ONLY A LIGHT DUSTING OF SNOW FOLLOWED BY A QUARTER TO HALF INCH OF ICE. ICE ACCUMULATIONS WILL BE VERY DEPENDENT ON THE REPLENISHMENT OF RELATIVELY COOL AND DRY AIR SFC AIR. ANY MIXING OF WARMER AIR OR THE SUBSTANTIAL LATENT HEAT RELEASE MAY LIMIT ICING POTENTIAL BUT THIS WL CERTAINLY BE THE BIG PLAYER ON SATURDAY. WL LIKELY SEE AN END TO THE ICING BY AFTERNOON AS THE FREEZING LINE MOVES NORTHWARD ACRS SOUTHERN INTO CENTRAL IOWA. FARTHER NORTH WHERE THE COOL AIR IS DEEPER...EXPECT TO SEE MORE SIGNIFICANT SNOWFALL ACCUMULATIONS... ESPECIALLY NORTH OF HIGHWAY 20. MAY SEE UPWARDS OF 4 TO 6 INCHES RIGHT NEAR THE MINNESOTA BORDER BEFORE A TRANSITION TO FREEZING PCPN. THE SLEET AND FREEZING RAIN ARE FORECAST TO PERSIST INTO THE EVENING AS FREEZING LINE STALLS ACRS THE NORTH. THEREFORE...MAY SEE SOME SIGNIFICANT ICING ON TOP OF THE SNOW PRODUCING A REAL SLUSHY MESS IN THE NORTH. GIVEN THE STRENGTH OF THE THETA-E ADVECTION...WL ALSO NOT BE SURPRISED TO ENCOUNTER THUNDER WITH THE PRECIPITATION THROUGH THE DAY ON SATURDAY...WHICH WOULD ENHANCE ANY RAIN OR SNOW EVENTS. THE CWA-WIDE WATCH APPEARS ON TRACK AND WOULD NOT BE SURPRISED TO SEE A WARNING BY THIS AFTERNOON. AS THE LOW DEEPENS ON SATURDAY...THE PRESSURE GRADIENT WL ALSO TIGHTEN...LEADING TO WINDY CONDITIONS BY AFTERNOON WHICH MAY ONLY AGGRAVATE A BAD SITUATION. THE BULK OF THE PRECIPITATION WL SLIDE NORTHEAST ON SATURDAY NIGHT AS THE SFC LOW PASSES OVER THE STATE BUT WL CONTINUE TO SEE THE THREAT OF SOME LIGHT PRECIPITATION/DZ/FZDZ. MAY SEE SOME ISOLATED CONVECTION AS WELL WITH SOME WEAK INSTABILITY WITH THE SFC LOW AS IT PASSES THROUGH THE MIDWEST. FORECAST BEYOND THIS POINT HAD ONLY MINOR CHANGES AS SYSTEM TOWARD THE MIDDLE OF NEXT WEEK STILL APPEARS ON TRACK. && .AVIATION...30/12Z LITTLE CHANGE IN EARLY PERIODS OF TERMINAL FORECASTS WITH IFR CONDITIONS EXPECTED THROUGH AT LEAST 09Z. HOWEVER...WITH WINTER STORM BECOMING INCREASING LIKELY HAVE MVFR CEILINGS AND IFR VSBYS AT MOST SITES BY THE 15-18Z SATURDAY TIMEFRAME AS SURGE OF MOISTURE WILL BE QUITE INTENSE SATURDAY AM. DIAGNOSTICS POINT TOWARD GOOD CONFIDENCE IN FREEZING RAIN AS WELL AT LEAST FOR A PERIOD...AFTER A ROUND OF SNOW/SLEET. && .DMX WATCHES/WARNINGS/ADVISORIES...WINTER STORM WATCH FOR ALL OF CENTRAL IOWA SATURDAY MORNING THROUGH SATURDAY NIGHT. && COGIL/RUSSELL/MS NOV 07
Hazardous weather outlook, Nov 30, 3:44 PM CST, 8 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE DES MOINES IA 344 PM CST FRI NOV 30 2007 IAZ004>007-015>017-023>028-033>039-050-012145- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-TAMA- 344 PM CST FRI NOV 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA NORTH OF HIGHWAY 30. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A WINTER STORM WARNING IS IN EFFECT FOR THE AREA SATURDAY...FOR THE COMBINED SIGNIFICANT ACCUMULATIONS OF SNOW AND ICE. PLEASE REFER TO OUR WINTER STORM WARNING PRODUCT FOUND ON THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR MORE DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER ANY SNOWFALL OR ICE ACCRUAL REPORTS WOULD BE GREATLY APPRECIATED. IAZ044>049-057>062-070>075-081>086-092>097-012145- CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-AUDUBON-GUTHRIE- DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION- MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD- DECATUR-WAYNE-APPANOOSE-DAVIS- 344 PM CST FRI NOV 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA ALONG AND SOUTH OF HIGHWAY 30. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AN ICE STORM WARNING FOR SIGNIFICANT ACCUMULATIONS OF ICE IS IN EFFECT FOR THE AREA SATURDAY. PLEASE REFER TO OUR ICE STORM WARNING PRODUCT FOUND ON THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR MORE DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER ANY SNOWFALL OR ICE ACCRUAL REPORTS WOULD BE GREATLY APPRECIATED. MOYER
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 3:52 PM CST | Ice Storm Warning | DMX | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 24 more | 23 hr |
Nearby
Winter Storm Warnings in Iowa, 2007Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.