Alert archive / South Dakota / Flash Flood Warnings in 2006
Flash Flood Warning 6, NWS Aberdeen, SD
NWS Aberdeen, SD issued this flash flood warning at Jun 14, 2006, 5:10 AM CDT for Edmunds County, McPherson County, South Dakota. It was in force for 95 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 14, 2006, 5:10 AM CDT (10:10 UTC)
- Expired
- Jun 14, 2006, 6:45 AM CDT
- In force
- 95 min
- Issued by
- NWS Aberdeen, SD
- Area
- Counties, with a storm outline in the text
Counties Edmunds County, SD, McPherson County, SD
The radar
The Aberdeen radar (KABR), 65 km from the middle of the area, began a volume at 10:11 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
Aberdeen, SD (KABR), launched 00:00Z, 10.2 hours before the alert went out and 100 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
- 215 J/kg
- Mixed-layer CIN
- -416 J/kg
- Mixed-layer LCL
- 1501 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Aberdeen, SD wrote its last area forecast discussion before this flash flood warning went out at Jun 14, 3:38 AM CDT, 1 hour 32 minutes earlier.
Area forecast discussion, Jun 14, 3:38 AM CDT, 1 hour 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ABERDEEN SD 338 AM CDT WED JUN 14 2006 .SHORT TERM...TODAY THROUGH FRIDAY NIGHT CONVECTION ONGOING THIS MORNING IN RESPONSE TO DIFFLUENT PATTERN SUGGESTED BY WATER VAPOR IMAGERY. ISENTROPIC LIFT ALSO NOTED ACROSS THE REGION EARLY THIS MORNING. EXPECTING DEVELOPMENT TO CONTINUE INTO THE MORNING HOURS AS VEERING LOW LEVEL JET WILL MAXIMIZE WAA OVER THE AREA. RUC IS SHOWING THIS FOR THE NEXT SEVERAL HOURS. HAVE ALSO KEPT SLIGHT CHANCE AREA ACROSS THE EAST INTO EARLY AFTERNOON. AS POTENT UPPER TROUGH MOVES INTO THE ROCKIES...EXPECT LOW PRESSURE TO DEVELOP LATER THIS AFTERNOON ACROSS EASTERN MT/WY AS STRONG SE WINDS DEVELOP ALL ACROSS THE CWA. WILL SEE BREEZY TO WINDY CONDITIONS ESPECIALLY ACROSS CENTRAL SD. NOT TOO EXCITED ABOUT WIND ADVISORY POTENTIAL TODAY AS 925 MB WINDS ON NAM/GFS AROUND 25 TO 30 KTS...WILL HAVE TO BE MONITORED THOUGH. SHOULD SEE CONVECTION BEGINNING THIS AFTERNOON ACROSS EASTERN MT/WY AND WESTERN SD AS INTENSE HEATING SHOULD BEGIN TO ERODE THE STRONG CAP THAT WILL BE IN PLACE. ACTIVITY WILL MOVE INTO CENTRAL SD LATE AFTERNOON/EVENING HOURS AND EVENTUALLY HEAD FARTHER EAST AS LOW LEVEL JET GETS GOING AGAIN TONIGHT. EXAMINATION OF SVR PARAMETERS SUGGESTS HAIL AND HIGH WINDS ARE DEFINITELY POSSIBLE WITH SOME OF THE STORMS THAT DEVELOP. VERY WARM 700 MB TEMPS MOVE IN FOR THURS AND HAVE DOUBTS ABOUT CONVECTION CHANCES. HAVE DROPPED POPS TO SLIGHT CHANCE WHERE 700 MB TEMPS ARE WARMEST AND CONTINUED 30 POPS ACROSS NORTHERN COUNTIES WHERE CAP SHOULD BE A TAD WEAKER. STILL EXPECTING BETTER CHANCES FOR CONVECTION THURS EVENING AS TEMPS ALOFT COOL A BIT AND SFC BOUNDARY TRACKS INTO THE EASTERN CWA. STILL LIKING THE GFS IDEA OF A SLOWER FRONT PROGRESSION AND HAVE USED THIS THINKING FOR WINDS/PRECIP CHANCES. ANOTHER WAVE TRACKS NE ACROSS THE AREA FOR FRI AND HAVE LEFT POPS/WX ALONE FOR THIS PERIOD. TEMPERATURES WERE RAISED A FEW DEGREES ACROSS THE SW COUNTIES THIS AFTERNOON WITH VERY WARM 850 MB TEMPS MOVING IN. YESTERDAY PIERRE REACHED 97 AND EXPECTING MORE OF THE SAME TODAY. HIGHS ON FRIDAY WERE DROPPED A FEW DEGREES ACROSS THE NORTHERN AND WESTERN COUNTIES. LOW TEMPERATURES TONIGHT WILL BE VERY MILD...ON THE ORDER OF MID 60S TO LOW 70S WITH THERMAL RIDGE IN PLACE AND SE SFC WINDS STAYING UP OVERNIGHT. .LONG TERM...SATURDAY THROUGH TUESDAY BIGGEST CHALLENGE IN THE EXTENDED DEALS WITH PCPN CHANCES SUNDAY NIGHT THROUGH MONDAY NIGHT AND TEMPS. MODELS ALL AGREE ON 5H LOW PASSING NORTH OF CWA...FLATTENING RIDGE OVER CWA BY BEGINNING OF CWA. WITH QUICK MOVING ZONAL FLOW ALOFT...SHORTWAVES DONT REALLY GET A CHANCE TO IMPACT CWA TO MUCH. BY SUNDAY NIGHT FLOW BEGINS TO BACK WITH A WARM FRONT SURGING NORTH ACROSS ERN SD. GFS SHOWS THIS FEATURE VERY WELL...AND CANADIAN ENSEMBLES AGREE WITH 5H AND 7H FEATURES. THE 18Z DGEX IS NOT AS BULLISH WITH WARM PUSH DURING SUNDAY NIGHT. WITH 85H JET INCREASING TO 30+ KTS ACROSS THE EAST AND BOUNDARY LIFTING NORTH ALONG WITH DECENT MOISTURE ADVECTION...HAVE ADDED SLGT CHC TSRA TO ERN SD FOR SUNDAY NIGHT. QUESTION THEN TURNS TOWARD MONDAY. BUYING INTO GFS SOLN...7H WARMS TO +12 TO +13 WITH RH VALUES FALLING TO SUB 20%. AGAIN...THE CANADIAN ENSEMBLES SUPPORT THIS THINKING. BECAUSE OF THIS...HAVE KEPT IN SLGT CHC MONDAY MORNING POPS IN CASE WARMFRONTAL SURGE IS A BIT SLOWER...THEN HAVE REMOVED MENTION OF PCPN FOR MONDAY DUE TO DRY AND WARM LAYERS...AND NOW SLOWER MOVEMENT OF LOW PRESSURE IN WRN SD. MONDAY NIGHT KEPT SLGT CHC -TSRA IN ACROSS THE EAST...ALTHO THE GFS POINTS TOWARD TUESDAY AS WHEN COLD FROPA COMES THROUGH. ADMIT THAT THE GFS HAS BEEN A BIT WISHY-WASHY LATELY SO NOT CONTENT TO PUT FULL FAITH INTO THAT MODEL. TEMP WISE...DID NUDGE UP TEMPS/DWPTS FOR SUNDAY NIGHT/MONDAY WITH WARMFRONTAL PASSAGE. OTW INHERITED TEMP GRIDS LOOKED OK FOR THE MOST PART. && .ABR WATCHES/WARNINGS/ADVISORIES... SD...NONE. MN...NONE. && TT/DH
Hazardous weather outlook, Jun 13, 2:28 PM CDT, 14 hours 42 minutes before
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</html>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 2:25 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 50 min |
| Jun 14, 3:48 AM CDT | Severe Thunderstorm Warning | ABR | McPherson | 42 min |
| Jun 14, 4:02 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 58 min |
| Jun 14, 4:28 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 47 min |
| Jun 14, 4:43 AM CDT | Severe Thunderstorm Warning | ABR | Potter | 47 min |
| Jun 14, 5:13 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 47 min |
| Jun 14, 6:56 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 49 min |
| Jun 14, 7:09 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 36 min |
| Jun 14, 8:59 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 49 min |
| Jun 14, 9:27 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 31 min |
| Jun 14, 10:25 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 20 min |
| Jun 14, 10:45 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 16 min |
| Jun 14, 11:07 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 23 min |
| Jun 14, 1:33 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 42 min |
| Jun 14, 2:22 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 53 min |
| Jun 14, 3:10 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 19 min |
| Jun 14, 6:59 AM CDT | Severe Thunderstorm Warning | ABR | Big Stone, Traverse | 31 min |
Nearby
Flash Flood Warnings in South Dakota, 2006Every flash flood 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.