Alert archive / Iowa / Winter Storm Warnings in 2006
Winter Storm Warning 3, NWS Des Moines, IA
NWS Des Moines, IA issued this winter storm warning at Mar 19, 2006, 3:49 PM CST for 9 counties in Iowa. It took effect at Mar 20, 2006, 12:00 PM CST. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 19, 2006, 3:49 PM CST (21:49 UTC)
- In effect from
- Mar 20, 2006, 12:00 PM CST
- Expired
- Mar 21, 2006, 3:54 AM CST
- In force
- 16 hr
- Issued by
- NWS Des Moines, IA
Counties Adams County, IA, Appanoose County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 100 km from the middle of the area, began a volume at 21:49 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, 9.8 hours before the alert went out and 223 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
- 853 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 167 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 192149 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 349 PM CST SUN MAR 19 2006 ...SIGNIFICANT SNOWFALL ON THE WAY FOR SOUTHWEST IOWA... .LOW PRESSURE DEVELOPING OVER THE SOUTHERN ROCKIES WILL MOVE ACROSS OKLAHOMA ON MONDAY INTO KENTUCKY BY TUESDAY. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION TO ITS NORTH AND EAST. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL PROVIDE A SIPPLY OF COLD AIR. ALL PRECIPITATION SHOULD BE SNOW ACROSS THE SOUTHERN HALF OF IOWA. IAZ081>083-092>095-200600- /O.UPG.KDMX.WS.A.0003.060320T2100Z-060321T1800Z/ /O.NEW.KDMX.WS.W.0003.060320T1800Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON 349 PM CST SUN MAR 19 2006 ...WINTER STORM WARNING IN EFFECT FROM 12 PM MONDAY TO 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 12 PM MONDAY TO 12 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW SHOULD BEGIN ACCUMULATING MONDAY MORNING ACROSS SOUTHERN AND SOUTHWEST IOWA...WITH HIGHEST SNOWFALL RATES EXPECTED LATE MONDAY AFTERNOON THROUGH MONDAY EVENING. BEFORE THE SNOW ENDS ON TUESDAY...SNOWFALL AMOUNTS IN EXCESS OF 6 INCHES CAN BE EXPECTED. THE HEAVIEST SNOWFALL IS LIKELY TO BE SOUTHWEST OF A LAMONI TO CORNING LINE...WHERE 8 TO 12 INCHES IS POSSIBLE. NORTHEAST WINDS OF 20 TO 30 MPH WILL ACCOMPANY THE HEAVY SNOW...CAUSING BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITIES BELOW ONE HALF MILE. UNTIL MONDAY MORNING...A DRY EASTERLY FLOW OF AIR SHOULD CONFINE THE ACCUMULATING SNOW TO COUNTIES ALONG THE MISSOURI RIVER AND POINTS WEST. LIGHT SNOW OR FLURRIES WILL BE POSSIBLE TOWARD MORNING HOWEVER. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ057-058-074-075-086-200600- /O.EXA.KDMX.WS.A.0003.060320T2100Z-060321T1800Z/ AUDUBON-GUTHRIE-MARION-MAHASKA-WAPELLO- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...KNOXVILLE... OSKALOOSA...OTTUMWA 349 PM CST SUN MAR 19 2006 ...WINTER STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING. AN EASTERLY FLOW OF COOL AND DRY AIR WILL PERSIST ACROSS SOUTHERN AND WEST CENTRAL IOWA TONIGHT...CONFINING SNOWFALL TO SOUTHWESTERN IOWA INTO MONDAY MORNING. SOME LIGHT SNOW MAY FALL TONIGHT WEST OF A DENISON TO MOUNT AYR LINE...BUT LITTLE OR NO ACCUMULATION IS EXPECTED. AS THE STORM ADVANCES EAST ON MONDAY AND MONDAY NIGHT...SNOW WILL SPREAD ACROSS WEST CENTRAL IOWA AND SOUTHERN IOWA. HEAVY SNOW IS POSSIBLE SOUTH OF A LINE EXTENDING FROM AUDUBON AND GUTHRIE CENTER SOUTHEAST TO INDIANOLA AND OSKALOOSA. SNOWFALL AMOUNTS IN EXCESS OF 6 INCHES CAN BE EXPECTED ACROSS THE WATCH AREA...WITH AMOUNTS UP TO 8 INCHES POSSIBLE FOR LOCATIONS FARTHEST SOUTH AND WEST. HEAVIEST SNOW IS LIKELY TO FALL LATE MONDAY AFTERNOON AND MONDAY EVENING...WITH SOME ACCUMULATION POSSIBLE INTO TUESDAY MORNING. NORTHEAST WINDS OF 20 TO 30 MPH WILL ALSO CAUSE SOME BLOWING AND DRIFTING SNOW WITH LIMITED VISIBILITIES. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IAZ070>073-084-085-096-097-200600- /O.CON.KDMX.WS.A.0003.060320T2100Z-060321T1800Z/ CASS-ADAIR-MADISON-WARREN-LUCAS-MONROE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...ATLANTIC...GREENFIELD...WINTERSET... INDIANOLA...CHARITON...ALBIA...CENTERVILLE...BLOOMFIELD 349 PM CST SUN MAR 19 2006 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... A WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING. AN EASTERLY FLOW OF COOL AND DRY AIR WILL PERSIST ACROSS SOUTHERN AND WEST CENTRAL IOWA TONIGHT...CONFINING SNOWFALL TO SOUTHWESTERN IOWA INTO MONDAY MORNING. SOME LIGHT SNOW MAY FALL TONIGHT WEST OF A DENISON TO MOUNT AYR LINE...BUT LITTLE OR NO ACCUMULATION IS EXPECTED. AS THE STORM ADVANCES EAST ON MONDAY AND MONDAY NIGHT...SNOW WILL SPREAD ACROSS WEST CENTRAL IOWA AND SOUTHERN IOWA. HEAVY SNOW IS POSSIBLE SOUTH OF A LINE EXTENDING FROM AUDUBON AND GUTHRIE CENTER SOUTHEAST TO INDIANOLA AND OSKALOOSA. SNOWFALL AMOUNTS IN EXCESS OF 6 INCHES ARE POSSIBLE ACROSS THE WATCH AREA...WITH LOCALLY HIGHER TOTALS. HEAVIEST SNOW IS LIKELY TO FALL LATE MONDAY AFTERNOON AND MONDAY EVENING...WITH SOME ACCUMULATION POSSIBLE INTO TUESDAY MORNING. NORTHEAST WINDS OF 20 TO 30 MPH WILL ALSO CAUSE SOME BLOWING AND DRIFTING SNOW WITH LIMITED VISIBILITIES. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
7 follow-up statements
000 WWUS43 KDMX 200301 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 901 PM CST SUN MAR 19 2006 ...SIGNIFICANT SNOWFALL ON THE WAY FOR MUCH OF SOUTHERN IOWA... .LOW PRESSURE DEVELOPING OVER THE SOUTHERN ROCKIES WILL MOVE ACROSS OKLAHOMA ON MONDAY AND INTO KENTUCKY BY TUESDAY. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION TO ITS NORTH AND EAST. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL PROVIDE A SUPPLY OF COLD AIR MAKING THE PRECIPITATION ALL SNOW ACROSS THE SOUTHERN HALF OF IOWA. IAZ081>083-092>095-201030- /O.CON.KDMX.WS.W.0003.060320T1800Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON 901 PM CST SUN MAR 19 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 12 PM MONDAY TO 12 PM CST TUESDAY... OCCASIONAL LIGHT TO MODERATE SNOW WILL BEGIN IN FAR SOUTHWEST IOWA TONIGHT...AND THEN BECOME MORE WIDESPREAD MONDAY MORNING ACROSS SOUTHERN AND SOUTHWEST IOWA. THE HIGHEST SNOWFALL RATES ARE EXPECTED LATE MONDAY AFTERNOON THROUGH MONDAY EVENING. BEFORE THE SNOW ENDS ON TUESDAY...SNOWFALL AMOUNTS IN EXCESS OF 6 INCHES CAN BE EXPECTED. THE HEAVIEST SNOWFALL IS LIKELY TO BE SOUTHWEST OF A LAMONI TO CORNING LINE...WHERE 8 TO 12 INCHES IS POSSIBLE. NORTHEAST WINDS OF 20 TO 30 MPH WILL ACCOMPANY THE HEAVY SNOW... CAUSING BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES BELOW ONE HALF MILE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE...SNOW WITH BLOWING AND DRIFTING IN THE PRIMARY THREAT. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR NEARLY IMPOSSIBLE. $$ IAZ057-058-070>075-084>086-096-097-201030- /O.CON.KDMX.WS.A.0003.060320T2100Z-060321T1800Z/ AUDUBON-GUTHRIE-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-LUCAS- MONROE-WAPELLO-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ATLANTIC... GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA... CHARITON...ALBIA...OTTUMWA...CENTERVILLE...BLOOMFIELD 901 PM CST SUN MAR 19 2006 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... AN EASTERLY FLOW OF COOL AND DRY AIR WILL PERSIST ACROSS ALL BUT SOUTHWEST IOWA TONIGHT CONFINING SNOWFALL TO SOUTHWESTERN IOWA INTO MONDAY MORNING. AS THE STORM ADVANCES EAST ON MONDAY AND MONDAY NIGHT...SNOW WILL SPREAD ACROSS WEST CENTRAL IOWA AND SOUTHERN IOWA. HEAVY SNOW IS POSSIBLE SOUTH OF A LINE EXTENDING FROM AUDUBON AND GUTHRIE CENTER SOUTHEAST TO INDIANOLA AND OSKALOOSA. SNOWFALL AMOUNTS IN EXCESS OF 6 INCHES CAN BE EXPECTED ACROSS THE WATCH AREA...WITH AMOUNTS UP TO 8 INCHES POSSIBLE FOR LOCATIONS FARTHEST SOUTH AND WEST. HEAVIEST SNOW IS LIKELY TO FALL LATE MONDAY AFTERNOON AND MONDAY EVENING...WITH SOME ACCUMULATION POSSIBLE INTO TUESDAY MORNING. NORTHEAST WINDS OF 20 TO 30 MPH WILL ALSO CAUSE SOME BLOWING AND DRIFTING SNOW WITH LIMITED VISIBILITIES. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS WHEN UPGRADES TO WINTER STORM WARNINGS MAY OCCUR. $$ SMALL
000 WWUS43 KDMX 200954 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 354 AM CST MON MAR 20 2006 ...SIGNIFICANT SNOWFALL ON THE WAY FOR MUCH OF SOUTHERN IOWA... .LOW PRESSURE DEVELOPING OVER THE SOUTHERN ROCKIES WILL MOVE ACROSS OKLAHOMA TODAY AND INTO KENTUCKY BY TUESDAY. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION TO ITS NORTH AND EAST. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL PROVIDE A SUPPLY OF COLD AIR PRODUCING WIDESPREAD SNOW ACROSS THE SOUTHERN HALF OF IOWA. IAZ081>083-092>095-201815- /O.CON.KDMX.WS.W.0003.060320T1800Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON 354 AM CST MON MAR 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 12 PM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 12 PM CST TUESDAY. MODERATE TO HEAVY SNOWFALL WILL BEGINNING BY LATE MONDAY AFTERNOON AND INCREASE THROUGH THE EVENING HOURS AND OVERNIGHT. SNOWFALL RATES OF AN INCH AN HOUR ARE EXPECTED DURING THE LATE EVENING OVER FAR SOUTH CENTRAL IOWA. SNOWFALL TOTALS OF 6 TO 12 INCHES ARE FORECAST WITH THE HIGHEST SNOWFALL TOTALS FORECAST NEAR THE MISSOURI BORDER. NORTHEAST WINDS OF 20 TO 30 MPH CAUSE DRIFTING SNOW AND REDUCED VISIBILITIES BELOW ONE HALF MILE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. IN THIS INSTANCE... SNOW WITH BLOWING AND DRIFTING IN THE PRIMARY THREAT. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR NEARLY IMPOSSIBLE. $$ IAZ057-058-070>075-084>086-096-097-201815- /O.UPG.KDMX.WS.A.0003.060320T2100Z-060321T1800Z/ /O.NEW.KDMX.SN.Y.0003.060321T0000Z-060321T1800Z/ AUDUBON-GUTHRIE-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-LUCAS- MONROE-WAPELLO-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ATLANTIC... GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA... CHARITON...ALBIA...OTTUMWA...CENTERVILLE...BLOOMFIELD 354 AM CST MON MAR 20 2006 ...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. ACCUMULATING SNOWFALL IS FORECAST ALONG AND SOUTH OF A DENISON TO DES MOINES TO OSKALOOSA LINE BEGGINING LATE THIS AFTERNOON THROUGH THIS EVENING AND OVERNIGHT. 2 TO 5 INCHES OF SNOWFALL CAN BE EXPECTED SOUTH OF A DENISON TO DES MOINES TO OAKALOOSA A LINE AND NORTH OF AN ATLANTIC TO CENTERVILLE AND BLOOMFIELD LINE. NORTHEAST WINDS OF 20 TO 30 MPH CAUSE DRIFTING SNOW AND REDUCED VISIBILITIES BELOW ONE HALF MILE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ044-045-059-060-201815- /O.NEW.KDMX.SN.Y.0003.060321T0000Z-060321T1800Z/ CRAWFORD-CARROLL-DALLAS-POLK- INCLUDING THE CITIES OF...DENISON...CARROLL...ADEL...DES MOINES 354 AM CST MON MAR 20 2006 ...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY. ACCUMULATING SNOWFALL IS FORECAST BEGGINING LATE THIS AFTERNOON THROUGH THIS EVENING AND OVERNIGHT. 2 TO 5 INCHES OF SNOWFALL CAN BE EXPECTED ALONG AND SOUTH OF A DENISON TO DES MOINES LINE. DRIER AIR OVER NORTHEAST IOWA WILL CAUSE THE SNOWFALL TOTALS TO BE CUTOFF SHARPLY NORTH OF INTERSTATE 80. NORTHEAST WINDS OF 20 TO 30 MPH CAUSE DRIFTING SNOW AND REDUCED VISIBILITIES BELOW ONE HALF MILE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ RUSSELL
000 WWUS43 KDMX 201653 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1053 AM CST MON MAR 20 2006 ...SIGNIFICANT SNOWFALL ON THE WAY FOR MUCH OF SOUTHERN IOWA... .LOW PRESSURE DEVELOPING OVER THE SOUTHERN ROCKIES WILL MOVE ACROSS OKLAHOMA TODAY AND INTO KENTUCKY BY TUESDAY. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION TO ITS NORTH AND EAST. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL PROVIDE A SUPPLY OF COLD AIR PRODUCING WIDESPREAD SNOW ACROSS THE SOUTHERN HALF OF IOWA. IAZ081>083-092>095-210100- /O.CON.KDMX.WS.W.0003.060320T1800Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON 1053 AM CST MON MAR 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. LIGHT TO MODERATE SNOW WILL BEGIN THIS AFTERNOON AND BECOME HEAVY THROUGH THE EVENING HOURS AND OVERNIGHT. SNOWFALL RATES OF AN INCH AN HOUR ARE EXPECTED DURING THE LATE EVENING OVER FAR SOUTH CENTRAL IOWA. SNOWFALL TOTALS OF 6 TO 12 INCHES ARE FORECAST WITH THE HIGHEST SNOWFALL TOTALS FORECAST NEAR THE MISSOURI BORDER. NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL CAUSE DRIFTING SNOW AND REDUCE VISIBILITY BELOW ONE HALF MILE AT TIMES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...OR ICE ARE EXPECTED OR ARE OCCURRING. IN THIS INSTANCE... SNOW WITH BLOWING AND DRIFTING IN THE PRIMARY THREAT. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR NEARLY IMPOSSIBLE IN THE WARNED AREA. $$ IAZ044-045-057>060-070>075-084>086-096-097-210100- /O.CON.KDMX.SN.Y.0003.060321T0000Z-060321T1800Z/ CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...DENISON...CARROLL...AUDUBON... GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CHARITON... ALBIA...OTTUMWA...CENTERVILLE...BLOOMFIELD 1053 AM CST MON MAR 20 2006 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST TUESDAY. ACCUMULATING SNOW IS FORECAST ALONG AND SOUTH OF A DENISON TO DES MOINES TO OSKALOOSA LINE BEGIN LATE THIS AFTERNOON CONTINUING THROUGH THE OVERNIGHT. TWO TO FIVE INCHES OF SNOWFALL CAN BE EXPECTED SOUTH OF A DENISON TO DES MOINES TO OSKALOOSA LINE AND NORTH OF AN ATLANTIC TO CENTERVILLE AND BLOOMFIELD LINE. NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL CAUSE DRIFTING SNOW AND REDUCE VISIBILITY BELOW ONE HALF MILE AT TIMES. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. $$ REV
000 WWUS43 KDMX 202154 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 354 PM CST MON MAR 20 2006 ...SIGNIFICANT SNOWFALL ON THE WAY FOR MUCH OF SOUTHERN IOWA... .LOW PRESSURE DEVELOPING OVER THE TEXAS PAN HANDLE WILL MOVE ACROSS INTO ARKANSAS THIS EVENING THEN THEN INTO KENTUCKY BY TUESDAY. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION TO ITS NORTH AND EAST. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL PROVIDE A SUPPLY OF COLD AIR AND STRONG WINDS PRODUCING WIDESPREAD SNOW AND BLOWING SNOW ACROSS THE SOUTHERN HALF OF IOWA. IAZ044-045-057>060-070>075-084>086-210600- /O.CAN.KDMX.SN.Y.0003.060321T0000Z-060321T1800Z/ /O.NEW.KDMX.SB.Y.0002.060321T0000Z-060321T1800Z/ CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...DENISON...CARROLL...AUDUBON... GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CHARITON... ALBIA...OTTUMWA 354 PM CST MON MAR 20 2006 ...SNOW ADVISORY IS CANCELLED... ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST TUESDAY. THE SNOW ADVISORY HAS BEEN CANCELLED. ACCUMULATING SNOW IS FORECAST ALONG AND SOUTH OF A JEFFERSON TO DES MOINES TO OSKALOOSA LINE CONTINUING THROUGH THE OVERNIGHT. TWO TO FIVE INCHES OF SNOWFALL CAN BE EXPECTED SOUTH OF A JEFFERSON TO DES MOINES TO OSKALOOSA AND NORTH OF AN ATLANTIC TO CHARITON TO OTTUMWA LINE. NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS THROUGH THIS EVENING WILL CAUSE DRIFTING SNOW AND REDUCE VISIBILITY BELOW ONE HALF MILE AT TIMES. SNOWFALL ACCUMULATION OF 2 TO 5 INCHES IS EXPECTED THROUGHOUT THE ADVISORY AREA. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT THE VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IAZ096-097-210600- /O.UPG.KDMX.SN.Y.0003.060321T0000Z-060321T1800Z/ /O.EXA.KDMX.WS.W.0003.000000T0000Z-060321T1800Z/ APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CENTERVILLE...BLOOMFIELD 354 PM CST MON MAR 20 2006 ...WINTER STORM WARNING IN EFFECT UNTIL 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST TUESDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. ACCUMULATING SNOW IS FORECAST ALONG AND SOUTH OF A JEFFERSON TO DES MOINES TO OSKALOOSA LINE BEGIN LATE THIS AFTERNOON CONTINUING THROUGH THE OVERNIGHT. NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL CAUSE DRIFTING SNOW AND REDUCE VISIBILITY BELOW ONE HALF MILE AT TIMES. SNOWFALL OF 6 TO 9 INCHES IS EXPECTED IN THE WARNING AREA WITH THE HEAVIEST TOTALS ALONG THE IOWA AND MISSOURI BORDER. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ081>083-092>095-210600- /O.CON.KDMX.WS.W.0003.000000T0000Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON 354 PM CST MON MAR 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. ACCUMULATING SNOW IS FORECAST ALONG AND SOUTH OF A DENISON TO DES MOINES TO OSKALOOSA LINE BEGIN LATE THIS AFTERNOON CONTINUING THROUGH THE OVERNIGHT. NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL CAUSE DRIFTING SNOW AND REDUCE VISIBILITY BELOW ONE HALF MILE AT TIMES. SNOWFALL OF 6 TO 9 INCHES IS EXPECTED IN THE WARNING AREA WITH THE HEAVIEST TOTALS ALONG THE IOWA AND MISSOURI BORDER. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR SLEET ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ046-210600- /O.NEW.KDMX.SB.Y.0002.060321T0000Z-060321T1800Z/ GREENE- INCLUDING THE CITY OF...JEFFERSON 354 PM CST MON MAR 20 2006 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST TUESDAY. ACCUMULATING SNOW IS FORECAST ALONG AND SOUTH OF A DENISON TO DES MOINES TO OSKALOOSA CONTINUING THROUGH THE OVERNIGHT. TWO TO FIVE INCHES OF SNOWFALL CAN BE EXPECTED SOUTH OF A JEFFERSON TO DES MOINES TO OSKALOOSA LINE AND NORTH OF AN ATLANTIC TO CHARITON TO OTTUMWA LINE. NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS THROUGH THIS EVENING WILL CAUSE DRIFTING SNOW AND REDUCE VISIBILITY BELOW ONE HALF MILE AT TIMES. SNOWFALL ACCUMULATION OF 3 TO 5 INCHES IS EXPECTED IN THE ADVISORY AREA. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ REV
000 WWUS43 KDMX 210333 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 933 PM CST MON MAR 20 2006 ...SIGNIFICANT WIND BLOWN SNOW ON THE WAY FOR MUCH OF CENTRAL AND SOUTHERN IOWA... .LOW PRESSURE OVER OKLAHOMA THIS EVENING IS EXPECTED TO REACH THE OHIO RIVER VALLEY BY TUESDAY MORNING. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION...MAINLY SNOW...TO THE NORTH AND EAST OF ITS TRACK. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL HELP PRODUCE STRONG WINDS PRODUCING WIDESPREAD SNOW AND BLOWING SNOW IN THE WARNING AND ADVISORY AREAS. IAZ081>083-092>097-211030- /O.CON.KDMX.WS.W.0003.000000T0000Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD 933 PM CST MON MAR 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY... SNOW WILL PERSIST OVERNIGHT AND BE HEAVY AT TIMES. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE SNOW TO PRODUCE BLOWING SNOW AND REDUCED VISIBILITIES WHICH MAY DROP TO WELL BELOW A MILE AT TIMES...ESPECIALLY IN RURAL AREAS. THE SNOW IS EXPECTED TO DIMINISH BY TUESDAY MORNING WITH TOTAL AMOUNTS FROM FIVE TO SEVEN INCHES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR SLEET ARE EXPECTED OR OCCURRING. SNOW IS THE PRIMARY THREAT IN THIS INSTANCE...WITH BRISK WINDS AND BLOWING SNOW COMPOUNDING THE PROBLEM. TRAVEL WILL BE HAZARDOUS WITH SNOW COVERED ROADS AND DRAMATICALLY REDUCED VISIBILITIES. $$ IAZ023-033>035-047-061-062-211030- /O.EXA.KDMX.SB.Y.0002.000000T0000Z-060321T1800Z/ POCAHONTAS-SAC-CALHOUN-WEBSTER-BOONE-JASPER-POWESHIEK- INCLUDING THE CITIES OF...POCAHONTAS...SAC CITY...ROCKWELL CITY... FORT DODGE...BOONE...NEWTON...GRINNELL 933 PM CST MON MAR 20 2006 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST TUESDAY. SNOW WILL PERSIST OVERNIGHT WEST OF INTERSTATE 35...AND EXPAND EASTWARD DURING THE EARLY MORNING HOURS. THE SNOW MAY BE HEAVY AT TIMES. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE SNOW TO PRODUCE BLOWING SNOW AND REDUCED VISIBILITIES WHICH MAY DROP TO WELL BELOW A MILE AT TIMES...ESPECIALLY IN RURAL AREAS. THE SNOW IS EXPECTED TO DIMINISH BY TUESDAY MORNING WITH TOTAL AMOUNTS FROM THREE TO SIX INCHES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT THE VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IAZ044>046-057>060-070>075-084>086-211030- /O.CON.KDMX.SB.Y.0002.000000T0000Z-060321T1800Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR- MADISON-WARREN-MARION-MAHASKA-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC... GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA... CHARITON...ALBIA...OTTUMWA 933 PM CST MON MAR 20 2006 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. SNOW WILL PERSIST OVERNIGHT WEST OF INTERSTATE 35...AND EXPAND EASTWARD DURING THE EARLY MORNING HOURS. THE SNOW MAY BE HEAVY AT TIMES. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE SNOW TO PRODUCE BLOWING SNOW AND REDUCED VISIBILITIES WHICH MAY DROP TO WELL BELOW A MILE AT TIMES...ESPECIALLY IN RURAL AREAS. THE SNOW IS EXPECTED TO DIMINISH BY TUESDAY MORNING WITH TOTAL AMOUNTS FROM THREE TO SIX INCHES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ SMALL
000 WWUS43 KDMX 210338 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 938 PM CST MON MAR 20 2006 ...SIGNIFICANT WIND BLOWN SNOW ON THE WAY FOR MUCH OF CENTRAL AND SOUTHERN IOWA... .LOW PRESSURE OVER OKLAHOMA THIS EVENING IS EXPECTED TO REACH THE OHIO RIVER VALLEY BY TUESDAY MORNING. THE SYSTEM WILL PRODUCE A LARGE AREA OF PRECIPITATION...MAINLY SNOW...TO THE NORTH AND EAST OF ITS TRACK. STRONG HIGH PRESSURE OVER CENTRAL CANADA WILL HELP PRODUCE STRONG WINDS PRODUCING WIDESPREAD SNOW AND BLOWING SNOW IN THE WARNING AND ADVISORY AREAS. IAZ081>083-092>097-211145- /O.CON.KDMX.WS.W.0003.000000T0000Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD 938 PM CST MON MAR 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR SLEET ARE EXPECTED OR OCCURRING. SNOW IS THE PRIMARY THREAT IN THIS INSTANCE...WITH BRISK WINDS AND BLOWING SNOW COMPOUNDING THE PROBLEM. TRAVEL WILL BE HAZARDOUS WITH SNOW COVERED ROADS AND DRAMATICALLY REDUCED VISIBILITIES. $$ IAZ048-211145- /O.EXA.KDMX.SB.Y.0002.000000T0000Z-060321T1800Z/ STORY- INCLUDING THE CITY OF...AMES 938 PM CST MON MAR 20 2006 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST TUESDAY. SNOW WILL PERSIST OVERNIGHT WEST OF INTERSTATE 35...AND EXPAND EASTWARD DURING THE EARLY MORNING HOURS. THE SNOW MAY BE HEAVY AT TIMES. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE SNOW TO PRODUCE BLOWING SNOW AND REDUCED VISIBILITIES WHICH MAY DROP TO WELL BELOW A MILE AT TIMES...ESPECIALLY IN RURAL AREAS. THE SNOW IS EXPECTED TO DIMINISH BY TUESDAY MORNING WITH TOTAL AMOUNTS FROM THREE TO FIVE INCHES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT THE VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IAZ023-033>035-044>047-057>062-070>075-084>086-211145- /O.CON.KDMX.SB.Y.0002.000000T0000Z-060321T1800Z/ POCAHONTAS-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-GREENE-BOONE- AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA-LUCAS-MONROE-WAPELLO- INCLUDING THE CITIES OF...POCAHONTAS...SAC CITY...ROCKWELL CITY... FORT DODGE...DENISON...CARROLL...JEFFERSON...BOONE...AUDUBON... GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...GRINNELL... ATLANTIC...GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE... OSKALOOSA...CHARITON...ALBIA...OTTUMWA 938 PM CST MON MAR 20 2006 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. SNOW WILL PERSIST OVERNIGHT WEST OF INTERSTATE 35...AND EXPAND EASTWARD DURING THE EARLY MORNING HOURS. THE SNOW MAY BE HEAVY AT TIMES. EAST TO NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE SNOW TO PRODUCE BLOWING SNOW AND REDUCED VISIBILITIES WHICH MAY DROP TO WELL BELOW A MILE AT TIMES...ESPECIALLY IN RURAL AREAS. THE SNOW IS EXPECTED TO DIMINISH BY TUESDAY MORNING WITH TOTAL AMOUNTS FROM THREE TO SIX INCHES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITY WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ SMALL
000 WWUS43 KDMX 210954 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 354 AM CST TUE MAR 21 2006 .WINTER WEATHER GRADUALLY ENDING THIS MORNING. IAZ081>083-092>097-211100- /O.CAN.KDMX.WS.W.0003.000000T0000Z-060321T1800Z/ ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...BEDFORD... MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD 354 AM CST TUE MAR 21 2006 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WINTER STORM WARNING. $$ IAZ033-034-044>048-057>062-070>075-085-086-211600- /O.CAN.KDMX.SB.Y.0002.000000T0000Z-060321T1800Z/ /O.NEW.KDMX.SN.Y.0004.060321T1000Z-060321T1600Z/ SAC-CALHOUN-CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE- DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION- MAHASKA-MONROE-WAPELLO- INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...DENISON... CARROLL...JEFFERSON...BOONE...AMES...AUDUBON...GUTHRIE CENTER... ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...ALBIA...OTTUMWA 354 AM CST TUE MAR 21 2006 ...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED... ...SNOW ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST THIS MORNING. THE SNOW AND BLOWING SNOW ADVISORY HAS BEEN CANCELLED. EARLY MORNING SNOW WILL PRODUCE AN ADDITIONAL ONE OR TWO INCHES OF ACCUMULATION FROM THE OSKALOOSA MONTEZUMA AREAS WEST THROUGH AMES AND DES MOINES TO NEAR JEFFERSON AND POSSIBLY SAC CITY. VISIBILITY WILL AVERAGE BETWEEN ONE TO TWO MILES WITH IMPROVING WEATHER EXPECTED BEFORE NOON. EARLY MORNING TRAVELERS SHOULD BE PREPARED FOR SNOW COVERED ROADS AND SOMEWHAT LIMITED VISIBILITIES. $$ IAZ023-035-084-211100- /O.CAN.KDMX.SB.Y.0002.000000T0000Z-060321T1800Z/ POCAHONTAS-WEBSTER-LUCAS- INCLUDING THE CITIES OF...POCAHONTAS...FORT DODGE...CHARITON 354 AM CST TUE MAR 21 2006 ...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE SNOW AND BLOWING SNOW ADVISORY. $$ IAZ049-211600- /O.NEW.KDMX.SN.Y.0004.060321T1000Z-060321T1600Z/ MARSHALL- INCLUDING THE CITY OF...MARSHALLTOWN 354 AM CST TUE MAR 21 2006 ...SNOW ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST THIS MORNING. EARLY MORNING SNOW WILL PRODUCE AN ADDITIONAL ONE OR TWO INCHES OF ACCUMULATION FROM THE MONTEZUMA AREA TO NEAR MARSHALLTOWN WEST THROUGH AMES AND DES MOINES TO NEAR JEFFERSON AND POSSIBLY SAC CITY. VISIBILITY WILL AVERAGE BETWEEN ONE TO TWO MILES WITH IMPROVING WEATHER EXPECTED BEFORE NOON. EARLY MORNING TRAVELERS SHOULD BE PREPARED FOR SNOW COVERED ROADS AND SOMEWHAT LIMITED VISIBILITIES. $$ MYERS
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 Mar 19, 3:16 PM CST, 33 minutes earlier.
Area forecast discussion, Mar 19, 3:16 PM CST, 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DES MOINES IA 316 PM CST SUN MAR 19 2006 .DISCUSSION... THE FORECAST FOCUS REMAINS ON THE POTENTIAL WINTER STORM TO AFFECT SOUTHERN IOWA MONDAY AND MONDAY NIGHT. CURRENTLY DRY AIR REMAINS THE THEME TODAY AND WILL BECOME A MAJOR PLAYER WITH THE UPCOMING SYSTEM. SFC DEWPOINTS ARE QUITE DRY ACROSS THE STATE WITH MANY LOCATIONS IN THE TEENS...THE EXCEPTIONS ARE LOCATIONS OVER THE NORTH THAT HAVE HAD RECENT SNOW MELT AND OVER THE FAR SOUTHWEST WHERE FALLING SNOW HAS BEEN TRYING TO PENETRATE THE DRY LAYER. 12Z UPPER AIR ANALYSIS SHOWS HIGH PRESSURE RIDGE OVER THE NORTHERN MISSISSIPPI RIVER VALLEY WITH THE 500 MB RIDGE OVER WESTERN IA. THE UPPER LEVEL LOW IS NOW ROUNDING THE BIN OVER ARIZONA WITH 80 M HEIGHT FALLS AHEAD OF THE SYSTEM. FOR TONIGHT HAVE REMAIN STATUS QUO AS ANOTHER SURGE OF VERY DRY 850 MB AIR IS DIVING SOUTH INTO IOWA TONIGHT AND WILL KEEP PRECIPITATION CHANCES TO A MINIMUM. WILL KEEP TEMPERATURES ABOVE GUIDANCE OVERNIGHT WITH CLOUDS IN PLACE AND CONSIDERING TRENDS FROM THE PAST TWO NIGHTS. ON MONDAY THE UPPER LEVEL LOW LIFTS NORTH INTO KANSAS AND THEN ACROSS MISSOURI MONDAY NIGHT. THE 12Z GFS REALLY LATCHED ON TO THE DRY AIR AND GREATLY REDUCED THE QPF ACROSS THE FORECAST AREA. HOWEVER WHEN COMPARING THE OPERATION RUN TO THE GFS ENSEMBLES THE OPERATIONAL RUN WAS MUCH DRIER THAN THE OTHER MEMBERS. THE 12Z NAM QPF APPROACHED 1.5 THROUGH TUESDAY MORNING AND HAVE DISCOUNTED THIS DUE TO AMOUNT OF DRY AIR TO OVERCOME. THEREFORE HAVE FOLLOW NEAR THE GFS ENSEMBLE MEAN. EXPECTED VERY STRONG FORCING TO BEGIN ACROSS THE SOUTHWEST MONDAY MORNING WITH THE SNOW INCREASING DURING THE AFTERNOON HOURS AND INTO THE EVENING AS THE UPPER LOW EJECTS INTO THE PLAINS AND A BROAD AREA OF FRONTOGENESIS EXPANDS INTO SOUTHWESTERN IOWA. EXPECT A DEFORMATION ZONE THEN TO MAINTAIN AND PIVOT OVER SOUTH CENTRAL IOWA WHICH WILL ADD TO THE ACCUMULATIONS. BANDED SNOW AND SLANTWISE CONVECTION STILL ARE POSSIBLE. SNOWFALL RATIOS OF 13:1 APPEAR LIKELY. WILL ISSUE A WINTER STORM WARNING FOR 7 COUNTIES ACROSS SOUTH CENTRAL AND SOUTHWEST IOWA FROM 18Z MONDAY TO 18Z TUESDAY FOR HEAVY SNOW OF 8-12 INCHES AND WINDS PRODUCING BLOWING AND DRIFTING SNOW. WILL MAINTAIN THE GOING WATCH AND ADD 5 COUNTIES. SOME UNCERTAINTIES REMAIN IN THIS REGION DUE TO THE DRY AIR FUNNELING INTO THE REGION DURING THE PERIOD AND ALSO CRITERIA WOULD NOT BE MET UNTIL MONDAY NIGHT GIVING FUTURE SHIFTS TIME TO EVALUATE. SYSTEM FOR WEDNESDAY NIGHT AND THURSDAY STILL TO APPEARS TO BE A LIGHT QPF EVENT AND WILL CONTINUE LOW POPS OVER THE SOUTH. LONG RANGE MODELS HAVE DIFFICULTY WITH UPPER LOW RETROGRADING WEST ACROSS THE GREAT LAKES DURING THE PERIOD...BUT OVERALL THIS WILL KEEP A COOL CYCLONIC FLOW OVER IOWA THROUGH THE END OF THE WEEK WITH SOME MODERATION INTO THE WEEKEND. && .DMX WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING FROM 12 PM MONDAY TO 12 PM CST TUESDAY FOR ADAMS-CLARKE-DECATUR-RINGGOLD-TAYLOR-UNION-WAYNE. WINTER STORM WATCH FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING FOR ADAIR-APPANOOSE-CASS-DAVIS-LUCAS-MADISON-MONROE-WARREN-AUDUBON- GUTHRIE-MAHASKA-MARION-WAPELLO. && JUNGBLUTH/DONAVON
Hazardous weather outlook, Mar 19, 5:40 AM CST, 10 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 540 AM CST SUN MAR 19 2006 IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075- 081>086-092>097-201200- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION- CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE- APPANOOSE-DAVIS- 540 AM CST SUN MAR 19 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ALL OF CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SNOW WILL SPREAD FROM SOUTHWEST IOWA NORTH AND EAST DURING THE DAY MONDAY AND END TUESDAY MORNING. HEAVY SNOWFALL IS POSSIBLE OVER THE SOUTH...AND ESPECIALLY OVER THE SOUTHWEST. AN ACCUMULATION OF 1 TO 5 INCHES IS EXPECTED FROM WEST CENTRAL...THROUGH CENTRAL...INTO SOUTHEAST IOWA ALONG A DENISON THROUGH DES MOINES...TO OTTUMWA LINE. AREAS SOUTHWEST OF AN ATLANTIC TO LAMONI LINE...IN SOUTHWEST INTO SOUTH CENTRAL IOWA...WILL LIKELY SEE AN 8 TO 12 INCH ACCUMULATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED...HOWEVER SNOWFALL REPORTS WOULD BE APPRECIATED.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 3:40 AM CST | Winter Storm Watch | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 14 more | 48 hr |
Nearby
Winter Storm Warnings in Iowa, 2006Every winter storm warning in 2006
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.