Alert archive / Iowa / Snow Advisories in 2007
Snow Advisory 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this snow advisory at Jan 20, 2007, 3:36 AM CST for Clark County, Scotland County, Missouri; 13 counties in Illinois; 21 counties in Iowa. It took effect at Jan 20, 2007, 7:41 PM CST. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2007, 3:36 AM CST (09:36 UTC)
- In effect from
- Jan 20, 2007, 7:41 PM CST
- Expired
- Jan 21, 2007, 6:00 PM CST
- In force
- 22 hr
- Issued by
- NWS Quad Cities, IA
All 36 counties
Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 09:40 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
Davenport, (KDVN), launched 00:00Z, 9.6 hours before the alert went out and 47 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
- 1326 m above ground
- 0-6 km bulk shear
- 89 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 80 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 KDVN 200936 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 336 AM CST SAT JAN 20 2007 ...QUICK-MOVING STORM SYSTEM TO BRING SNOW TONIGHT AND TOMORROW... .A STRONG BUT FAST-MOVING STORM SYSTEM WILL MOVE FROM KANSAS TOWARD WISCONSIN TONIGHT THROUGH TOMORROW. SNOW WILL OVERSPREAD THE AREA FROM THE SOUTHWEST LATE THIS EVENING...REACHING NORTHWESTERN ILLINOIS DURING THE OVERNIGHT HOURS. AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED ACROSS THE AREA...WITH MOST OF THE SNOW FALLING WITHIN ABOUT SIX HOURS. SNOW WILL TAPER TO FLURRIES ON SUNDAY AFTERNOON. IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-016-024>026-034- 035-MOZ009-010-201745- /O.NEW.KDVN.SN.Y.0002.070121T0600Z-070121T1800Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL- MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA.... FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA... MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA 336 AM CST SAT JAN 20 2007 ...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. SNOW WILL MOVE INTO THE AREA FROM THE SOUTHWEST THIS EVENING AS A STORM SYSTEM MOVES ACROSS NORTHERN MISSOURI INTO EASTERN IOWA. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH THE HEAVIER AMOUNTS MOST LIKELY BETWEEN INTERSTATE 80 AND HIGHWAY 34. SNOW WILL TAPER TO FLURRIES BY SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-201745- /O.NEW.KDVN.SN.Y.0002.070121T1200Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 336 AM CST SAT JAN 20 2007 ...SNOW ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY. SNOW WILL MOVE INTO THE AREA FROM THE SOUTHWEST EARLY TOMORROW MORNING AS A STORM SYSTEM MOVES ACROSS NORTHERN MISSOURI INTO EASTERN IOWA AND NORTHWESTERN ILLINOIS. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH THE HEAVIER AMOUNTS MOST LIKELY ALONG AND SOUTH OF HIGHWAY 30. SNOW WILL TAPER TO FLURRIES BY SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ MAYES/NICHOLS
9 follow-up statements
000 WWUS43 KDVN 201349 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 749 AM CST SAT JAN 20 2007 ...QUICK-MOVING STORM SYSTEM TO BRING SNOW TONIGHT AND TOMORROW... .A STRONG BUT FAST-MOVING STORM SYSTEM WILL MOVE FROM KANSAS TOWARD WISCONSIN TONIGHT THROUGH TOMORROW. SNOW WILL OVERSPREAD THE AREA FROM THE SOUTHWEST LATE THIS EVENING...REACHING NORTHWESTERN ILLINOIS DURING THE OVERNIGHT HOURS. AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED ACROSS THE AREA...WITH MOST OF THE SNOW FALLING WITHIN ABOUT SIX HOURS. SNOW WILL TAPER TO FLURRIES ON SUNDAY AFTERNOON. IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-016-024>026-034- 035-MOZ009-010-202200- /O.CON.KDVN.SN.Y.0002.070121T0600Z-070121T1800Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL- MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA.... FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA... MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA 749 AM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. SNOW WILL MOVE INTO THE AREA FROM THE SOUTHWEST THIS EVENING AS A STORM SYSTEM MOVES ACROSS NORTHERN MISSOURI INTO EASTERN IOWA. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH THE HEAVIER AMOUNTS MOST LIKELY BETWEEN INTERSTATE 80 AND HIGHWAY 34. SNOW WILL TAPER TO FLURRIES BY SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-202200- /O.CON.KDVN.SN.Y.0002.070121T1200Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 749 AM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY. SNOW WILL MOVE INTO THE AREA FROM THE SOUTHWEST EARLY TOMORROW MORNING AS A STORM SYSTEM MOVES ACROSS NORTHERN MISSOURI INTO EASTERN IOWA AND NORTHWESTERN ILLINOIS. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH THE HEAVIER AMOUNTS MOST LIKELY ALONG AND SOUTH OF HIGHWAY 30. SNOW WILL TAPER TO FLURRIES BY SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ MAYES
000 WWUS43 KDVN 201646 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1046 AM CST SAT JAN 20 2007 ...QUICK MOVING STORM SYSTEM TO BRING SNOW TONIGHT AND TOMORROW... .A FAST MOVING STORM SYSTEM WILL MOVE FROM KANSAS INTO WISCONSIN TONIGHT THROUGH TOMORROW. SNOW WILL OVERSPREAD THE AREA FROM THE SOUTHWEST LATE THIS EVENING...REACHING NORTHWESTERN ILLINOIS DURING THE OVERNIGHT HOURS. AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED ACROSS THE AREA...WITH MOST OF THE SNOW FALLING WITHIN ABOUT SIX HOURS. SNOW WILL TAPER TO FLURRIES ON SUNDAY AFTERNOON. IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-016-024>026-034- 035-MOZ009-010-210100- /O.CON.KDVN.SN.Y.0002.070121T0600Z-070121T1800Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL- MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA.... FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA... MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA 1046 AM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST SUNDAY. SNOW WILL SPREAD OVER THE AREA FROM THE SOUTHWEST THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH THE HEAVIER AMOUNTS MOST LIKELY BETWEEN INTERSTATE 80 AND HIGHWAY 34. THE SNOW WILL TAPER TO FLURRIES BY SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-210100- /O.CON.KDVN.SN.Y.0002.070121T1200Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 1046 AM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY. SNOW WILL SPREAD OVER THE AREA FROM THE SOUTHWEST EARLY SUNDAY MORNING. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH THE HEAVIER AMOUNTS MOST LIKELY ALONG AND SOUTH OF HIGHWAY 30. SNOW WILL TAPER TO FLURRIES BY SUNDAY AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$
000 WWUS43 KDVN 202107 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 307 PM CST SAT JAN 20 2007 ...QUICK MOVING STORM SYSTEM TO BRING SNOW TONIGHT AND TOMORROW... .A FAST MOVING STORM SYSTEM WILL MOVE FROM THE CENTRAL AND SOUTHERN PLAINS INTO THE WESTERN GREAT LAKES BY SUNDAY. THE STORM WILL BRING 2 TO 6 INCHES OF SNOW TO THE MID AND UPPER MISSISSIPPI VALLEY FROM LATE THIS EVENING INTO SUNDAY AFTERNOON. THE GREATEST SNOWFALL AMOUNTS ARE EXPECTED TO OCCUR SOUTH OF INTERSTATE 80 WITH AMOUNTS DECREASING TO THE NORTH. IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-016-024>026-034- 035-MOZ009-010-210515- /O.EXT.KDVN.SN.Y.0002.070121T0300Z-070121T1800Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL- MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA.... FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA... MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA 307 PM CST SAT JAN 20 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST SUNDAY. SNOW WILL SPREAD OVER THE AREA FROM THE SOUTHWEST THIS EVENING AND CONTINUE UNTIL LATE SUNDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR BETWEEN 3 AM AND 10 AM WITH THE SNOW TAPERING OFF TO FLURRIES BY NOON SUNDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HIGHER AMOUNTS OCCURRING SOUTH OF INTERSTATE 80. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-210515- /O.EXT.KDVN.SN.Y.0002.070121T0900Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 307 PM CST SAT JAN 20 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY. SNOW WILL MOVE INTO THE AREA FROM THE SOUTHWEST EARLY SUNDAY MORNING WITH THE HEAVIEST SNOWFALL OCCURRING BETWEEN 6 AM AND NOON. BY THE TIME THE SNOW TAPERS OFF TO FLURRIES SUNDAY AFTERNOON...SNOWFALL IS EXPECTED TO TOTAL 2 TO 5 INCHES...WITH THE HIGHER AMOUNTS OCCURRING SOUTH OF HIGHWAY 30. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ DLF
000 WWUS43 KDVN 210141 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 741 PM CST SAT JAN 20 2007 ...QUICK MOVING STORM SYSTEM TO BRING SNOW TONIGHT AND TOMORROW... .A FAST MOVING STORM SYSTEM WILL MOVE FROM THE CENTRAL AND SOUTHERN PLAINS INTO THE WESTERN GREAT LAKES BY SUNDAY. THE STORM WILL BRING 3 TO 6 INCHES OF SNOW TO THE AREA...WITH THE GREATEST SNOWFALL AMOUNTS LIKELY TO BE FOUND NEAR AND SOUTH OF INTERSTATE 80. IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-210945- /O.EXT.KDVN.SN.Y.0002.070121T0141Z-070121T1800Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 741 PM CST SAT JAN 20 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 12 PM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 12 PM CST SUNDAY. A BAND OF MAINLY LIGHT SNOW WILL MOVE ACROSS THE AREA EARLY THIS EVENING BRINGING ACCUMULATIONS AROUND ONE INCH OR LESS. THE LEADING EDGE OF THE MORE SIGNIFICANT OR HEAVIER SNOW WAS LOCATED FROM SOUTHWEST OF DES MOINES TO SOUTH OF KIRKSVILLE. THIS LARGE SHIELD OF SNOW WILL OVERSPREAD THE AREA LATE THIS EVENING AND OVERNIGHT. THE SNOW WILL BE MODERATE TO LOCALLY HEAVY IN INTENSITY AT TIMES REDUCING VISIBILITIES TO BETWEEN ONE QUARTER AND ONE HALF MILE...WITH SNOWFALL RATES OF ONE HALF TO ONE INCH PER HOUR COMMON IN THESE BANDS. AREA ROADS...ESPECIALLY SECONDARY OR LESSER TRAVELED ROADS WILL BECOME SNOW PACKED AND SLICK. IF YOU MUST TRAVEL TONIGHT...SLOW DOWN AND USE EXTREME CAUTION. STORM TOTAL ACCUMULATIONS WILL RANGE BETWEEN 4 AND 6 INCHES BY MID MORNING SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ063>065-067-068-076>078-ILZ015-016-024-210945- /O.EXT.KDVN.SN.Y.0002.070121T0500Z-070121T1800Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- ROCK ISLAND-HENRY IL-MERCER- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...ALEDO 741 PM CST SAT JAN 20 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO 12 PM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 11 PM THIS EVENING TO 12 PM CST SUNDAY. A BAND OF MAINLY LIGHT SNOW WILL MOVE ACROSS THE AREA MID TO LATE EVENING BRINGING ACCUMULATIONS OF GENERALLY LESS THAN ONE INCH. THE LEADING EDGE OF THE MORE SIGNIFICANT OR HEAVIER SNOW WAS LOCATED FROM SOUTHWEST OF DES MOINES TO SOUTH OF KIRKSVILLE. THIS LARGE SHIELD OF SNOW WILL OVERSPREAD THE AREA AFTER MIDNIGHT AND CONTINUE INTO MID MORNING SUNDAY. THE SNOW WILL BE MODERATE TO LOCALLY HEAVY IN INTENSITY AT TIMES REDUCING VISIBILITIES TO BETWEEN ONE QUARTER AND ONE HALF MILE...WITH SNOWFALL RATES OF ONE HALF TO ONE INCH PER HOUR COMMON IN THESE BANDS. AREA ROADS...ESPECIALLY SECONDARY OR LESSER TRAVELED ROADS WILL BECOME SNOW PACKED AND SLICK. IF YOU HAVE TO TRAVEL OVERNIGHT THROUGH SUNDAY MORNING...SLOW DOWN AND USE EXTREME CAUTION. STORM TOTAL ACCUMULATIONS WILL RANGE BETWEEN 3 AND 6 INCHES BY NOON SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-210945- /O.CON.KDVN.SN.Y.0002.070121T0900Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 741 PM CST SAT JAN 20 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY. SNOW WILL MOVE INTO THE AREA FROM THE SOUTHWEST EARLY SUNDAY MORNING WITH THE HEAVIEST SNOWFALL OCCURRING BETWEEN 6 AM AND NOON. BY THE TIME THE SNOW TAPERS OFF TO FLURRIES SUNDAY AFTERNOON...SNOWFALL IS EXPECTED TO TOTAL 2 TO 5 INCHES...WITH THE HIGHER AMOUNTS OCCURRING SOUTH OF HIGHWAY 30. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$
000 WWUS43 KDVN 210844 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 244 AM CST SUN JAN 21 2007 ...MODERATE SNOWFALL OCCURRING ACROSS THE AREA TODAY... .A FAST-MOVING STORM SYSTEM HAS REACHED EASTERN IOWA AND NORTHWESTERN ILLINOIS TODAY...MOVING FROM KASNAS AND MISSOURI TOWARD THE GREAT LAKES. THE SYSTEM WILL BRING 3 TO 6 INCHES OF SNOW...WITH THE GREATEST SNOWFALL AMOUNTS LIKELY ALONG AND SOUTH OF INTERSTATE 80. IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-211645- /O.EXT.KDVN.SN.Y.0002.070121T0844Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 244 AM CST SUN JAN 21 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS EVENING. SNOW HAS OVERSPREAD THE AREA THIS MORNING AND WILL INCREASE IN INTENSITY BEFORE DAWN...WITH THE HIGHER SNOWFALL RATES OCCURRING BETWEEN 4:00 AM AND 10:00 AM. SNOW MAY DIMINISH THIS MORNING BUT IS EXPECTED TO RE-INTENSIFY BY NOON THROUGH THE AFTERNOON AS THE STORM SYSTEM PULLS AWAY TO THE NORTHEAST. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HIGHER AMOUNTS EXPECTED SOUTH OF HIGHWAY 20. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ063>065-067-068-076>078-ILZ015-016-024-211645- /O.EXT.KDVN.SN.Y.0002.000000T0000Z-070121T2100Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- ROCK ISLAND-HENRY IL-MERCER- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...ALEDO 244 AM CST SUN JAN 21 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. MODERATE SNOWFALL THAT BEGAN DURING THE OVERNIGHT HOURS WILL CONTINUE THIS MORNING. SNOWFALL RATES MAY DIMINISH TEMPORARILY THIS MORNING NEAR DAYBREAK...BUT SHOULD INCREASE AGAIN BY MID- MORNING BEFORE TAPERING TO FLURRIES BY 3:00 PM. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-211645- /O.CON.KDVN.SN.Y.0002.000000T0000Z-070121T1800Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 244 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. MODERATE SNOW ALREADY HAS OCCURRED DURING THE OVERNIGHT HOURS. AFTER A SHORT LULL IN THE EARLY MORNING HOURS...SNOWFALL RATES WILL INCREASE AGAIN BY DAYBREAK...WITH ADDITIONAL ACCUMULATING SNOW THIS MORNING BEFORE TAPERING TO FLURRIES BY NOON. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ MAYES
000 WWUS43 KDVN 211010 WSWDVN URGENT - WINTER WEATHER MESSAGE...CORRECTION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 410 AM CST SUN JAN 21 2007 ...MODERATE SNOWFALL OCCURRING ACROSS THE AREA TODAY... .A FAST-MOVING STORM SYSTEM HAS REACHED EASTERN IOWA AND NORTHWESTERN ILLINOIS TODAY...MOVING FROM KANSAS AND MISSOURI TOWARD THE GREAT LAKES. THE SYSTEM WILL BRING 3 TO 6 INCHES OF SNOW...WITH THE GREATEST SNOWFALL AMOUNTS LIKELY ALONG AND SOUTH OF INTERSTATE 80. IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-211645- /O.EXT.KDVN.SN.Y.0002.070121T0844Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 244 AM CST SUN JAN 21 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS EVENING. SNOW HAS OVERSPREAD THE AREA THIS MORNING AND WILL INCREASE IN INTENSITY BEFORE DAWN...WITH THE HIGHER SNOWFALL RATES OCCURRING BETWEEN 4:00 AM AND 10:00 AM. SNOW MAY DIMINISH THIS MORNING BUT IS EXPECTED TO RE-INTENSIFY BY NOON THROUGH THE AFTERNOON AS THE STORM SYSTEM PULLS AWAY TO THE NORTHEAST. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HIGHER AMOUNTS EXPECTED SOUTH OF HIGHWAY 20. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW-COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ063>065-067-068-076>078-ILZ015-016-024-211645- /O.EXT.KDVN.SN.Y.0002.000000T0000Z-070121T2100Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- ROCK ISLAND-HENRY IL-MERCER- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...ALEDO 244 AM CST SUN JAN 21 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. MODERATE SNOWFALL THAT BEGAN DURING THE OVERNIGHT HOURS WILL CONTINUE THIS MORNING. SNOWFALL RATES MAY DIMINISH TEMPORARILY THIS MORNING NEAR DAYBREAK...BUT SHOULD INCREASE AGAIN BY MID- MORNING BEFORE TAPERING TO FLURRIES BY 3:00 PM. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-211645- /O.CON.KDVN.SN.Y.0002.000000T0000Z-070121T1800Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 244 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. MODERATE SNOW ALREADY HAS OCCURRED DURING THE OVERNIGHT HOURS. AFTER A SHORT LULL IN THE EARLY MORNING HOURS...SNOWFALL RATES WILL INCREASE AGAIN BY DAYBREAK...WITH ADDITIONAL ACCUMULATING SNOW THIS MORNING BEFORE TAPERING TO FLURRIES BY NOON. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ MAYES
000 WWUS43 KDVN 211747 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1147 AM CST SUN JAN 21 2007 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-211900- /O.EXP.KDVN.SN.Y.0002.000000T0000Z-070121T1800Z/ JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN- HANCOCK-MCDONOUGH-SCOTLAND-CLARK- INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT... BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH... CARTHAGE...MACOMB...MEMPHIS...KAHOKA 1147 AM CST SUN JAN 21 2007 ...SNOW ADVISORY WILL EXPIRE AT NOON CST TODAY... THE SNOW ADVISORY WILL EXPIRE AT NOON CST TODAY. LIGHT SNOW WILL LINGER INTO THE EARLY AFTERNOON HOURS...HOWEVER ADDITIONAL ACCUMULATIONS WILL BE LESS THAN AN INCH. THEREFORE THE SNOW ADVISORY WILL BE ALLOWED TO EXPIRE. CAUTION IS STILL ADVISED IF YOU WILL BE DRIVING THIS AFTERNOON. UNTREATED ROADS WILL REMAIN SLIPPERY EVEN THOUGH THE SNOW IS TAPERING OFF. $$ IAZ040>042-051>054-066-ILZ001-002-007-009-017-018-220000- /O.CON.KDVN.SN.Y.0002.000000T0000Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...PRINCETON... HENNEPIN 1147 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. LIGHT SNOW WILL CONTINUE OVER THE ARE MOST OF THE AFTERNOON. ANOTHER 1 TO 2 INCHES OF SNOW IS POSSIBLE...BRINING TOTAL ACCUMULATIONS INTO THE 4 TO 6 INCH RANGE BY LATE THIS AFTERNOON. UNTREATED ROADS WILL REMAIN SNOW COVERED...CREATING HAZARDOUS DRIVING CONDITIONS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW- COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ IAZ063>065-067-068-076>078-ILZ015-016-024-212100- /O.CON.KDVN.SN.Y.0002.000000T0000Z-070121T2100Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- ROCK ISLAND-HENRY IL-MERCER- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...ALEDO 1147 AM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. LIGHT SNOW WILL LINGER INTO THE AFTERNOON...BRINGING ANOTHER INCH OR SO OF ADDITIONAL SNOWFALL TO THE AREA. THE ADDITIONAL SNOW WILL BRING THE TOTAL SNOWFALL INTO THE 3 TO 5 INCH RANGE BY TIME THE SNOW TAPERS OFF TO FLURRIES LATE THIS AFTERNOON. UNTREATED ROADS WILL REMAIN SNOW COVERED...CREATING HAZARDOUS DRIVING CONDITIONS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ DLF
000 WWUS43 KDVN 212053 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 253 PM CST SUN JAN 21 2007 IAZ040>042-051>054-066-212200- /O.CAN.KDVN.SN.Y.0002.000000T0000Z-070122T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON 253 PM CST SUN JAN 21 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELED THE SNOW ADVISORY. $$ IAZ063>065-067-068-076>078-ILZ015-016-024-212200- /O.CAN.KDVN.SN.Y.0002.000000T0000Z-070121T2100Z/ IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA- ROCK ISLAND-HENRY IL-MERCER- INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON... MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON... WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...ALEDO 253 PM CST SUN JAN 21 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELED THE SNOW ADVISORY. LIGHT SNOW WILL LINGER OVER THE AREA THE REST OF THIS AFTERNOON...BUT NO ADDITIONAL ACCUMULATION IS EXPECTED. $$ ILZ001-002-007-009-017-018-220000- /O.CON.KDVN.SN.Y.0002.000000T0000Z-070122T0000Z/ JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...GALENA...FREEPORT...MOUNT CARROLL... STERLING...ROCK FALLS...PRINCETON...HENNEPIN 253 PM CST SUN JAN 21 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE LIGHT SNOW IS EXPECTED TO TAPER OFF TO FLURRIES BY EARLY THIS EVENING. ADDITIONAL ACCUMULATIONS UP TO AN INCH ARE STILL POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW- COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING. $$ DLF
000 WWUS43 KDVN 212353 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 553 PM CST SUN JAN 21 2007 ILZ001-002-007-009-017-018-220100- /O.EXP.KDVN.SN.Y.0002.000000T0000Z-070122T0000Z/ JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-BUREAU-PUTNAM- INCLUDING THE CITIES OF...GALENA...FREEPORT...MOUNT CARROLL... STERLING...ROCK FALLS...PRINCETON...HENNEPIN 553 PM CST SUN JAN 21 2007 ...SNOW ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING... THE SNOW ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING. FLURRIES WILL LINGER OVER THE NEXT HOUR OR TWO... WITH NO ADDITIONAL ACCUMULATION. $$
What forecasters said that day
The local office's own words before this snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Quad Cities, IA wrote its last area forecast discussion before this snow advisory went out at Jan 20, 3:25 AM CST, 11 minutes earlier.
Area forecast discussion, Jan 20, 3:25 AM CST, 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 325 AM CST SAT JAN 20 2007 .SYNOPSIS... AT 2 AM...COLD HIGH PRESSURE RESIDES OVER EASTERN IOWA AHEAD OF A MODERATE STRENGTH UPPER LOW ROTATING NORTHEAST OVER ARIZONA. THIS STORM SYSTEM IS PRODUCING A LARGE AREA OF STRATIFORM PRECIPITATION OF RAIN TURNING TO SNOW IN THE TEXAS PANHANDLE. AWIPS DISTANCE AND TIME TOOLS SUGGEST HIGH CLOUDS TO OVERSPREAD AREA BETWEEN NOON AND DUSK WITH LEADING EDGE OF SNOW ARRIVING LATE EVENING. TEMPERATURES CURRENTLY ACROSS AREA RUNNING AROUND ZERO IN NORTH TO TEENS SOUTH ENSURING GROUND WITH CURRENT SNOW PACK WILL ALLOW ANY SNOW TO FALL QUICKLY ACCUMULATE. && .SHORT TERM...TODAY AND TONIGHT... NOWCAST AND ANALYSIS TOOLS SUPPORT SOLUTIONS OF MODERATE SNOW EVENT LATE TONIGHT AND INTO SUNDAY. USED BLEND OF 06Z NAM-WRF WITH UKMET AND SOME INPUTS OF GFS WHICH ALL ARE SIMILAR ON PATH AND FORCING. TODAY...ONE MORE DAY OF LIMITED MIXING AS SURFACE REMAINS OVER AREA TIL LATE AFTERNOON WITH MIXING HEIGHTS AGAIN ONLY TO NEAR 925 MB OR ROUGHLY 1.5K AGL. WITH COLD AM TEMPS...HAVE GONE A COUPLE OF CATEGORIES BELOW TEMP GUIDANCE...ESPECIALLY N AND NE 1/2 OF AREA. WITH MID JANUARY WEAK SUNSHINE WOULDN/T BE SURPRISED IF LOCATIONS IN NE SECTIONS DON/T REACH 20 DEGREES. TONIGHT AND SUNDAY...WILL ISSUE A SNOW ADVISORY FOR SW 2/3 OF AREA 06Z - 18Z SUNDAY AND NE 1/3 SECTION 12Z - 00Z FOR 2 TO 5 INCH SNOW ACCUMULATIONS. MIX OF ALL MOST CONSISTENT AND RELIABLE FORCING TOOLS SUPPORT FAVORABLE SNOW PRODUCTION OF 12:1 RATIOS OS SNOW TO LIQUID IN SOUTH UP TO AT LEAST 15:1 CENTRAL AND NORTH SECTIONS. GOOD LOW LEVEL SATURATION COMBINED WITH EXCEPTIONAL LOW LEVEL FORCING IN LOWEST 2K AGL AND UPPER LEVEL FORCING WILL ALLOW FOR HEAVY SNOWFALL RATES OF AOA 1 TO LOCALLY NEARLY 2 INCHES AN HOUR FOR ONE TO TWO HOURS MANY AREAS. CLOSE INSPECTION OF FORCING OF THREE ABOVE SOLUTIONS USED INDICATE A SWATH OF HEAVIER SNOW TOTALS OF 5 INCHES POSSIBLE ALONG AND 30 NM EITHER SIDE OF A OTM TO CWI TO SQI LINE. WARM AIR ADVECTION TOOL...OR WAWT ALONG WITH OTHER TECHNIQUES SUCH AS GARCIA METHOD SUGGEST POTENTIAL FOR ISOLATED 6 INCHES THAT LATER SHIFTS SHOULD REVIEW. LIGHT WINDS OF ONLY 5 TO 15 MPH WILL RESULT IN LITTLE OR NO DRIFTING SUPPORTING A GENERAL MIDDLE OF THE ROAD SNOW ADVISORY. EVIDENCE OF WEAK DEFORMATION ZONE ALONG HEAVIER SNOW PATH SHOULD BE REVIEWED AS STRONG UPPER LEVEL DYNAMICS MAY STILL NOT BE CAPTURED PROPERLY BY MODELS. SIMILAR SITUATIONS OF THIS TYPE FORCING AND SCALE OF OPENING A TIGHT...CLOSED UPPER LEVEL CIRCULATION TOO SOON SUGGEST MODEL CAPTURE MAY NOT OCCUR UNTIL TONIGHT...IF AT ALL. THAT IS MOST SIGNIFICANT ISSUE FOR A RATHER STRAIGHTFORWARD MODERATE SNOW EVENT. AREAS IN SE AND NW LOCATIONS AWAY FROM THE MODEST HEAVIER SNOW AXIS SHOULD EXPERIENCE MAINLY 2 TO 4 INCHES OF NEW SNOW. TIME DURATION OF SNOW ADVISORY DESIGNED TO ALLOW SOME FLEXIBILITY OF FEW HOURS EITHER WAY DEPENDING ON SPEED AND EVOLUTION OF EVENT. .LONG TERM...SUNDAY NIGHT THROUGH WEDNESDAY... MADE VERY MINOR CHANGES TO CURRENT FORECAST PACKAGE. AFTER SNOW EVENT...ANOTHER 24 TO 36 HOURS OF LOW CLOUDS...FLURRIES AND LIGHT SNOW STILL SUGGESTED AS UPPER TROUGH AND WEAK FORCING TO PERSIST OVER REGION TIL MONDAY NIGHT. TUESDAY...QUIET AND SEASONABLE COLD. WEDNESDAY...LEFT CURRENT POPS IN BUT ALL SOLUTIONS QUITE VARIABLE ON STRENGTH AND TRACK OF NEXT ALBERTA CLIPPER UPPER LEVEL DISTURBANCE. JET AXIS SUGGEST POSSIBLE LOWERING OR REMOVAL OF POPS DEPENDING ON 12Z RUNS. LATE WEEK...STILL SHOWS MODERATE STRENGTH NORTHWEST UPPER LEVEL FLOW AND SEASONABLY COLD WITH POTENTIAL FOR MORE FLURRIES AND POSSIBLE SOME DRY...LIGHT SNOW. NO CHANGES MADE TO THURSDAY AND FRIDAY. ..NICHOLS.. && .DVN WATCHES/WARNINGS/ADVISORIES... IA...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON SUNDAY ALONG AND SOUTH OF A WILLIAMSBURG TO DAVENPORT LINE. SNOW ADVISORY IN EFFECT NORTH OF THIS LINE FROM 6 AM UNTIL 6 PM. IL...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT UNTIL NOON SUNDAY ALONG AND SOUTH A MOLINE TO GENESEO TO GALESBURG LINE. SNOW ADVISORY IN EFFECT NORTHEAST OF THIS LINE FROM 6 AM UNTIL 6 PM. MO...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON SUNDAY. && NICHOLS
Hazardous weather outlook, Jan 19, 4:45 AM CST, 22 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 445 AM CST FRI JAN 19 2007 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-201000- BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-CLINTON IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-HENDERSON IL-HENRY IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-JO DAVIESS IL-JOHNSON IA- JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-MCDONOUGH IL-MERCER IL- MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-SCOTLAND MO-SCOTT IA- STEPHENSON IL-VAN BUREN IA-WARREN IL-WASHINGTON IA-WHITESIDE IL- 445 AM CST FRI JAN 19 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH WEDNESDAY SATURDAY NIGHT AND SUNDAY...A QUICK MOVING DISTURBANCE WILL BRING PERIODS OF SNOW LATE SATURDAY NIGHT AND SUNDAY. DUE TO MODERATE FORCING AND LIMITED DURATION OF SIGNIFICANT SNOWFALL...GENERALLY MODERATE TO LIGHT SNOW AMOUNTS ARE EXPECTED ACROSS THE FORECAST AREA. MOST LOCATIONS SHOULD RECEIVE AT LEAST 2 INCHES OF SNOW WITH THE POTENTIAL FOR SOME AREAS RECEIVING 4 OR MORE INCHES. THE LOCATIONS AND EXTENT OF HEAVIEST SNOW WILL BE CLARIFIED OVER THE NEXT 24 HOURS. THIS MAY REQUIRE ISSUANCE OF A SNOW ADVISORY OVER PORTIONS IF NOT ALL THE FORECAST AREA. INTERESTED INDIVIDUALS SHOULD MONITOR THIS PRODUCT FOR FURTHER UPDATES ON THIS WINTER WEATHER EVENT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. NICHOLS
Nearby
Snow Advisories in Iowa, 2007Snow Advisories in Illinois, 2007Snow Advisories in Missouri, 2007Every snow 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.