Alert archive / South Dakota / Flash Flood Warnings in 2010

Flash Flood Warning 12, NWS Aberdeen, SD

July 6, 2010Faulk County, Hand County, Hyde County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Jul 6, 2010, 10:57 PM CDT for Faulk County, Hand County, Hyde County, South Dakota. It was in force for 4 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: Jul 6, 2010, 10:57 PM CDT (03:57 UTC)
Expired: Jul 7, 2010, 2:45 AM CDT
In force: 4 hr
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Flood severity: None

Counties Faulk County, SD, Hand County, SD, Hyde County, SD

The radar

The Aberdeen radar (KABR), 103 km from the middle of the area, began a volume at 04:00 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, 4.0 hours before the alert went out and 67 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1773 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 441 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

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 Jul 6, 3:26 PM CDT, 7 hours 31 minutes earlier.

Area forecast discussion, Jul 6, 3:26 PM CDT, 7 hours 31 minutes before

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Hazardous weather outlook, Jul 6, 4:42 AM CDT, 18 hours 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
442 AM CDT TUE JUL 6 2010

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-070945-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
442 AM CDT TUE JUL 6 2010 /342 AM MDT TUE JUL 6 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND
NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE LIKELY ACROSS THE REGION THIS
EVENING THROUGH THE NIGHT. INITIALLY...SOME SEVERE STORMS ARE
POSSIBLE IN THE EVENING FOR CENTRAL SOUTH DAKOTA. WITH THE REST OF
THE THUNDERSTORMS...LOCALIZED HEAVY RAINFALL IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

RESIDUAL SHOWERS AND THUNDERSTORMS ARE POSSIBLE
WEDNESDAY...ESPECIALLY IN THE EAST. OTHERWISE THE NEXT CHANCES FOR
SHOWERS AND THUNDERSTORMS ARE SATURDAY THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

ATG

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 6, 7:13 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Spink	47 min
Jul 6, 7:49 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Spink	41 min
Jul 6, 8:29 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Spink	46 min
Jul 6, 8:31 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Codington, Hamlin	44 min
Jul 6, 9:07 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Codington, Hamlin	38 min
Jul 6, 9:48 PM CDT	Flash Flood Warning	ABR	Hand, Hyde	57 min
Jul 6, 11:13 PM CDT	Flash Flood Warning	ABR	Clark, Spink	5 hr
Jul 7, 8:58 AM CDT	Areal Flood Warning	ABR	Clark, Codington, Day, Hamlin, Hand, Spink	48 hr
Jul 7, 10:15 AM CDT	Areal Flood Warning	ABR	Hamlin	23 hr
Jul 7, 11:07 AM CDT	River Flood Warning	ABR	Spink	8 days

Nearby

Flash Flood Warnings in South Dakota, 2010 Every flash flood warning in 2010

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.