Alert archive / Iowa / Flash Flood Watches in 2012
Flash Flood Watch 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood watch at May 23, 2012, 3:50 AM CDT for 4 states. It took effect at May 23, 2012, 7:00 PM CDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- May 23, 2012, 3:50 AM CDT (08:50 UTC)
- In effect from
- May 23, 2012, 7:00 PM CDT
- Expired
- May 24, 2012, 8:56 AM CDT
- In force
- 14 hr
- Issued by
- NWS Sioux Falls, SD
- Flood severity
- None
Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Murray County, MN, Nobles County, MN, Dakota County, NE, Dixon County, NE, Union County, SD
The radar
The Sioux Falls radar (KFSD), 94 km from the middle of the area, began a volume at 08:50 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 8.8 hours before the alert went out and 201 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
- 2966 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 315 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
892 WGUS63 KFSD 230850 FFAFSD URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 AM CDT WED MAY 23 2012 .A COLD FRONT WILL MOVE ACROSS THE AREA TODAY AND THIS EVENING. ALONG AND BEHIND THE FRONT...AREAS OF HEAVY RAIN IS EXPECTED TO DEVELOP ACROSS PARTS OF SOUTHWEST MINNESOTA...EXTREME SOUTHEAST SOUTH DAKOTA...NORTHWEST IOWA AND EXTREME NORTHEAST NEBRASKA. SOME OF THESE AREAS ALSO RECEIVED HEAVY RAINFALL LAST SATURDAY EVENING... ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR CREATING SATURATED GROUND. RAINFALL TOTALS TONIGHT AND THURSDAY MORNING COULD AVERAGE 2 TO 3 INCHES IN THE WATCH AREA...WITH SOME LOCATIONS RECEIVING HEAVIER RAIN. IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ013-014- SDZ071-231700- /O.NEW.KFSD.FF.A.0002.120524T0000Z-120524T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-DIXON- DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 350 AM CDT WED MAY 23 2012 ...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA... INCLUDING THE FOLLOWING AREAS...IN NORTHWEST IOWA...BUENA VISTA...CHEROKEE...CLAY...DICKINSON...IDA...LYON...OBRIEN... OSCEOLA...PLYMOUTH...SIOUX AND WOODBURY. IN SOUTHWEST MINNESOTA...COTTONWOOD...JACKSON...MURRAY AND NOBLES. IN NORTHEAST NEBRASKA...DAKOTA AND DIXON. IN SOUTHEAST SOUTH DAKOTA...UNION. * FROM THIS EVENING THROUGH THURSDAY AFTERNOON * RAINFALL TOTALS ARE EXPECTED TO AVERAGE 2 TO 3 INCHES TONIGHT THROUGH MIDDAY THURSDAY IN THE WATCH AREA. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. * FLOODING IS POSSIBLE IN LOW LYING AND POOR DRAINAGE AREAS. IN ADDITION...HEAVY RAINFALL IN SHORT PERIODS OF TIME FREQUENTLY CAUSE URBAN FLOODING AND CAN WASH OUT UNPAVED RURAL ROADS. SOME OF THESE AREAS IN THE WATCH AREA...ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR...RECEIVED HEAVY RAIN LAST SATURDAY NIGHT CREATING SATURATED GROUND. ANY GROUND THAT IS SATURATED WILL ADD TO FLOODING POTENTIAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
5 follow-up statements
671 WGUS63 KFSD 231549 FFAFSD FLOOD WATCH NATIONAL WEATHER SERVICE SIOUX FALLS SD 1049 AM CDT WED MAY 23 2012 .A COLD FRONT WILL MOVE ACROSS THE AREA TODAY AND THIS EVENING. ALONG AND BEHIND THE FRONT...AREAS OF HEAVY RAIN IS EXPECTED TO DEVELOP ACROSS PARTS OF SOUTHWEST MINNESOTA...EXTREME SOUTHEAST SOUTH DAKOTA...NORTHWEST IOWA AND EXTREME NORTHEAST NEBRASKA. SOME OF THESE AREAS ALSO RECEIVED HEAVY RAINFALL LAST SATURDAY EVENING... ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR CREATING SATURATED GROUND. RAINFALL TOTALS TONIGHT AND THURSDAY MORNING COULD AVERAGE 2 TO 3 INCHES IN THE WATCH AREA...WITH SOME LOCATIONS RECEIVING HEAVIER RAIN. IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ013-014- SDZ071-240000- /O.CON.KFSD.FF.A.0002.120524T0000Z-120524T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-DIXON- DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 1049 AM CDT WED MAY 23 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST IOWA...BUENA VISTA...CHEROKEE...CLAY... DICKINSON...IDA...LYON...OBRIEN...OSCEOLA...PLYMOUTH...SIOUX AND WOODBURY. IN SOUTHWEST MINNESOTA...COTTONWOOD...JACKSON... MURRAY AND NOBLES. IN NORTHEAST NEBRASKA...DAKOTA AND DIXON. IN SOUTHEAST SOUTH DAKOTA...UNION. * FROM 7 PM CDT THIS EVENING THROUGH THURSDAY AFTERNOON * RAINFALL TOTALS ARE EXPECTED TO AVERAGE 2 TO 3 INCHES TONIGHT THROUGH MIDDAY THURSDAY IN THE WATCH AREA. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. * FLOODING IS POSSIBLE IN LOW LYING AND POOR DRAINAGE AREAS. IN ADDITION...HEAVY RAINFALL IN SHORT PERIODS OF TIME FREQUENTLY CAUSE URBAN FLOODING AND CAN WASH OUT UNPAVED RURAL ROADS. SOME OF THESE AREAS IN THE WATCH AREA...ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR...RECEIVED HEAVY RAIN LAST SATURDAY NIGHT CREATING SATURATED GROUND. ANY GROUND THAT IS SATURATED WILL ADD TO FLOODING POTENTIAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
191 WGUS63 KFSD 232039 FFAFSD FLOOD WATCH NATIONAL WEATHER SERVICE SIOUX FALLS SD 339 PM CDT WED MAY 23 2012 .A COLD FRONT WILL MOVE ACROSS THE AREA THIS EVENING. ALONG AND BEHIND THE FRONT...AREAS OF HEAVY RAIN IS EXPECTED TO DEVELOP ACROSS PARTS OF SOUTHWEST MINNESOTA...EXTREME SOUTHEAST SOUTH DAKOTA...NORTHWEST IOWA AND EXTREME NORTHEAST NEBRASKA. SOME OF THESE AREAS ALSO RECEIVED HEAVY RAINFALL LAST SATURDAY EVENING... ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR CREATING SATURATED GROUND. RAINFALL TOTALS TONIGHT AND THURSDAY MORNING COULD AVERAGE 2 TO 3 INCHES IN THE WATCH AREA...WITH SOME LOCATIONS RECEIVING HEAVIER RAIN. IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ013-014- SDZ071-240445- /O.CON.KFSD.FF.A.0002.120524T0000Z-120524T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-DIXON- DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 339 PM CDT WED MAY 23 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST IOWA...BUENA VISTA...CHEROKEE...CLAY... DICKINSON...IDA...LYON...OBRIEN...OSCEOLA...PLYMOUTH...SIOUX AND WOODBURY. IN SOUTHWEST MINNESOTA...COTTONWOOD...JACKSON... MURRAY AND NOBLES. IN NORTHEAST NEBRASKA...DAKOTA AND DIXON. IN SOUTHEAST SOUTH DAKOTA...UNION. * FROM 7 PM CDT THIS EVENING THROUGH THURSDAY AFTERNOON * RAINFALL TOTALS ARE EXPECTED TO AVERAGE 2 TO 3 INCHES TONIGHT THROUGH MIDDAY THURSDAY IN THE WATCH AREA. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. * FLOODING IS POSSIBLE IN LOW LYING AND POOR DRAINAGE AREAS. IN ADDITION...HEAVY RAINFALL IN SHORT PERIODS OF TIME FREQUENTLY CAUSE URBAN FLOODING AND CAN WASH OUT UNPAVED RURAL ROADS. SOME OF THESE AREAS IN THE WATCH AREA...ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR...RECEIVED HEAVY RAIN LAST SATURDAY NIGHT CREATING SATURATED GROUND. ANY GROUND THAT IS SATURATED WILL ADD TO FLOODING POTENTIAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
089 WGUS63 KFSD 240237 FFAFSD FLOOD WATCH NATIONAL WEATHER SERVICE SIOUX FALLS SD 937 PM CDT WED MAY 23 2012 .WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE AREA TONIGHT...NEAR AND WEST OF A FRONTAL BOUNDARY WHICH IS STALLING OUT FROM WESTERN IOWA INTO CENTRAL MINNESOTA. AREAS OF HEAVY RAIN ARE EXPECTED TO DEVELOP ACROSS PARTS OF SOUTHWEST MINNESOTA...EXTREME SOUTHEAST SOUTH DAKOTA...NORTHWEST IOWA AND EXTREME NORTHEAST NEBRASKA. SOME OF THESE AREAS ALSO RECEIVED HEAVY RAINFALL LAST SATURDAY EVENING...ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR... CREATING SATURATED GROUND AND THE POTENTIAL FOR RAPID RUNOFF. RAINFALL TOTALS TONIGHT AND THURSDAY MORNING COULD AVERAGE 2 TO 3 INCHES IN THE WATCH AREA...WITH SOME LOCATIONS RECEIVING HEAVIER RAIN. IN ADDITION TO THE THREAT OF FLASH FLOODING...THE HEAVY RAINS COULD ALSO RESULT IN MINOR FLOODING ALONG AREA CREEKS AND RIVERS. IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ013-014- SDZ071-241045- /O.CON.KFSD.FF.A.0002.000000T0000Z-120524T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-DIXON- DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 937 PM CDT WED MAY 23 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST IOWA...BUENA VISTA...CHEROKEE...CLAY... DICKINSON...IDA...LYON...OBRIEN...OSCEOLA...PLYMOUTH...SIOUX AND WOODBURY. IN SOUTHWEST MINNESOTA...COTTONWOOD...JACKSON... MURRAY AND NOBLES. IN NORTHEAST NEBRASKA...DAKOTA AND DIXON. IN SOUTHEAST SOUTH DAKOTA...UNION. * THROUGH THURSDAY AFTERNOON * RAINFALL TOTALS ARE EXPECTED TO AVERAGE 2 TO 3 INCHES TONIGHT THROUGH MIDDAY THURSDAY IN THE WATCH AREA. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. * FLOODING IS POSSIBLE IN LOW LYING AND POOR DRAINAGE AREAS. IN ADDITION...HEAVY RAINFALL IN SHORT PERIODS OF TIME FREQUENTLY CAUSE URBAN FLOODING AND CAN WASH OUT UNPAVED RURAL ROADS. SOME OF THESE AREAS IN THE WATCH AREA...ESPECIALLY ALONG THE HIGHWAY 60 CORRIDOR... RECEIVED HEAVY RAIN LAST SATURDAY NIGHT CREATING SATURATED GROUND. ANY GROUND THAT IS SATURATED WILL ADD TO FLOODING POTENTIAL. IN ADDITION TO THE THREAT OF FLASH FLOODING...THE HEAVY RAINS COULD ALSO RESULT IN MINOR FLOODING ALONG AREA CREEKS AND RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ JH
368 WGUS63 KFSD 240855 FFAFSD FLOOD WATCH NATIONAL WEATHER SERVICE SIOUX FALLS SD 355 AM CDT THU MAY 24 2012 .WIDESPREAD SHOWERS WITH EMBEDDED THUNDERSTORMS WILL CONTINUE TO LIFT NORTHEASTWARD THIS MORNING ACROSS THE WATCH AREA...INCLUDING NORTHWEST IOWA...SOUTHWEST MINNESOTA...EXTREME NORTHEAST NEBRASKA AND EXTREME SOUTHEAST SOUTH DAKOTA. THE RAINFALL WILL DIMINISH FROM SOUTHWEST TO NORTHEAST AS THE DAY PROGRESSES. ON AVERAGE...AN ADDITIONAL HALF INCH TO AN INCH OF RAIN WILL OCCUR THROUGH THE MORNING HOURS IN THESE AREAS. OVER ALREADY WET GROUND...THE HEAVIER RAIN SHOWERS COULD PRODUCE LOCALIZED AREAS OF FLOODING IN POOR DRAINAGE AND LOW LYING AREAS...AS WELL AS FLOODING OF SMALL CREEKS AND STREAMS. BE ALERT TO THE DANGERS OF URBAN FLOODING OR PONDED WATER AS WELL WHEN DRIVING TO WORK THIS MORNING. IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ013-014- SDZ071-241700- /O.CON.KFSD.FF.A.0002.000000T0000Z-120524T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-DIXON- DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 355 AM CDT THU MAY 24 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA...INCLUDING THE FOLLOWING AREAS...IN NORTHWEST IOWA...BUENA VISTA...CHEROKEE...CLAY... DICKINSON...IDA...LYON...OBRIEN...OSCEOLA...PLYMOUTH...SIOUX AND WOODBURY. IN SOUTHWEST MINNESOTA...COTTONWOOD...JACKSON... MURRAY AND NOBLES. IN NORTHEAST NEBRASKA...DAKOTA AND DIXON. IN SOUTHEAST SOUTH DAKOTA...UNION. * UNTIL 1 PM CDT THIS AFTERNOON * ADDITIONAL RAINFALL TOTALS ARE EXPECTED TO AVERAGE A HALF INCH TO AN INCH THIS MORNING...WITH LOCALLY HEAVIER AMOUNTS POSSIBLE. * FLOODING IS POSSIBLE IN LOW LYING AND POOR DRAINAGE AREAS. IN ADDITION...HEAVY RAINFALL IN SHORT PERIODS OF TIME FREQUENTLY CAUSE URBAN FLOODING AND CAN WASH OUT UNPAVED RURAL ROADS. ANY GROUND THAT IS SATURATED WILL ADD TO FLOODING POTENTIAL. IN ADDITION TO THE THREAT OF FLASH FLOODING...THE HEAVY RAINS COULD ALSO RESULT IN MINOR FLOODING ALONG AREA CREEKS AND RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
836 WGUS63 KFSD 241356 FFAFSD FLOOD WATCH NATIONAL WEATHER SERVICE SIOUX FALLS SD 856 AM CDT THU MAY 24 2012 IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-NEZ013-014- SDZ071-241500- /O.CAN.KFSD.FF.A.0002.000000T0000Z-120524T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-DIXON- DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 856 AM CDT THU MAY 24 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA HAS BEEN CANCELLED. LIGHT TO MODERATE RAIN CONTINUES TO MOVE ACROSS THE AREA THIS MORNING...BUT NO HEAVY RAIN IS EXPECTED...AND NO REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 10:24 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida | 6 hr |
| May 22, 9:46 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 29 min |
| May 23, 5:44 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Murray | 31 min |
Nearby
Flash Flood Watches in Iowa, 2012Flash Flood Watches in Minnesota, 2012Flash Flood Watches in Nebraska, 2012Every flash flood watch in 2012
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.