Alert archive / South Dakota / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Rapid City, SD

June 14, 2014Jackson County, South Dakota

NWS Rapid City, SD issued this flash flood warning at Jun 14, 2014, 12:50 AM MDT for Jackson County, South Dakota. It was in force for 6 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
Jun 14, 2014, 12:50 AM MDT (06:50 UTC)
Expired
Jun 14, 2014, 7:00 AM MDT
In force
6 hr
Issued by
NWS Rapid City, SD
Area
Storm-based polygon
Flood severity
None

County Jackson County, SD

The radar

The Rapid City radar (KUDX), 108 km from the middle of the area, began a volume at 06:53 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

Rapid City, SD (KRAP), launched 00:00Z, 6.8 hours before the alert went out and 109 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-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 2014-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1139 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2014-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1139 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
2334 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

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 Rapid City, SD wrote its last area forecast discussion before this flash flood warning went out at Jun 13, 11:26 PM MDT, 1 hour 24 minutes earlier.

Area forecast discussion, Jun 13, 11:26 PM MDT, 1 hour 24 minutes before
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Hazardous weather outlook, Jun 13, 6:33 AM MDT, 18 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
633 AM MDT FRI JUN 13 2014

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-141300-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
633 AM MDT (733 AM CDT) FRI JUN 13 2014

...WIND ADVISORY TODAY FOR PORTIONS OF THE WESTERN AND SOUTH
   CENTRAL SOUTH DAKOTA PLAINS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS THE FORECAST
AREA LATE THIS AFTERNOON AND EVENING AS A COLD FRONT SLOWLY MOVES
ACROSS THE REGION. LARGE HAIL AND STRONG WIND GUSTS WILL BE THE
PRIMARY THREATS WITH ANY SEVERE STORMS. AN ISOLATED TORNADO IS ALSO
POSSIBLE ACROSS NORTHEAST WYOMING...THE BLACK HILLS AREA...AND
NORTHWEST SOUTH DAKOTA LATE IN THE DAY.

SOUTH TO SOUTHEAST WINDS WILL CONTINUE TO INCREASE ACROSS THE SOUTH
DAKOTA PLAINS THIS MORNING. THE STRONGEST WINDS WILL BE ACROSS
PORTIONS OF THE NORTHWEST INTO SOUTH CENTRAL SOUTH DAKOTA...WHERE
GUSTS TO AROUND 45 MPH CAN BE EXPECTED LATE THIS MORNING AND EARLY
AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

CHANCES FOR THUNDERSTORMS REMAIN IN THE FORECAST FOR SATURDAY.
THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ACROSS SOUTH
CENTRAL SOUTH DAKOTA DURING THE MIDDAY AND EARLY AFTERNOON
HOURS. LARGE HAIL AND STRONG WIND GUSTS WILL BE THE MAIN THREATS
FROM ANY SEVERE STORMS.

AN UNSETTLED PATTERN IS EXPECTED TO BRING DAILY CHANCES FOR
THUNDERSTORMS DURING MUCH OF NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

In the hours before

Local storm report, Jun 13, 9:35 PM MDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
935 PM MDT FRI JUN 13 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0916 PM     HAIL             BATESLAND               43.13N 102.10W
06/13/2014  E1.25 INCH       SHANNON            SD   TRAINED SPOTTER

&&

POJORLIE
Local storm report, Jun 13, 9:43 PM MDT, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
943 PM MDT FRI JUN 13 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0932 PM     HAIL             2 WSW SWETT             43.16N 101.99W
06/13/2014  E1.75 INCH       BENNETT            SD   TRAINED SPOTTER

&&

POJORLIE
Special weather statement, Jun 13, 9:52 PM MDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
952 PM MDT FRI JUN 13 2014

SDZ042>044-140430-
BENNETT SD-JACKSON SD-SHANNON SD-
952 PM MDT FRI JUN 13 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN BENNETT...
SOUTHWESTERN JACKSON AND EASTERN SHANNON COUNTIES UNTIL 1030 PM
MDT...

AT 948 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR KYLE...MOVING EAST AT 30 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  POTATO CREEK...
  HISLE...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

&&

LAT...LON 4365 10185 4342 10152 4324 10232 4342 10243
TIME...MOT...LOC 0352Z 251DEG 28KT 4340 10213

HELGESON
Local storm report, Jun 13, 10:16 PM MDT, 2 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1016 PM MDT FRI JUN 13 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0955 PM     HAIL             5 W MARTIN              43.17N 101.83W
06/13/2014  E2.00 INCH       BENNETT            SD   STORM CHASER

&&

POJORLIE
Local storm report, Jun 13, 10:58 PM MDT, 1 hour 52 minutes before
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Local storm report, Jun 13, 11:36 PM MDT, 1 hour 14 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 6:12 PM MDTSevere Thunderstorm WarningUNRMeade33 min
Jun 13, 6:22 PM MDTSpecial Weather StatementUNRLawrence23 min
Jun 13, 6:43 PM MDTSevere Thunderstorm WarningUNRMeade47 min
Jun 13, 7:06 PM MDTSevere Thunderstorm WarningUNRMeade, Pennington54 min
Jun 13, 7:32 PM MDTSevere Thunderstorm WarningUNR58 min
Jun 13, 7:37 PM MDTSevere Thunderstorm WarningUNRHaakon, Ziebach53 min
Jun 13, 8:01 PM MDTSevere Thunderstorm WarningUNRPerkins, Ziebach46 min
Jun 13, 8:03 PM MDTTornado WarningUNR27 min
Jun 13, 8:06 PM MDTSevere Thunderstorm WarningUNRHaakon, Ziebach24 min
Jun 13, 8:28 PM MDTSevere Thunderstorm WarningUNRBennett62 min
Jun 13, 9:24 PM MDTSevere Thunderstorm WarningUNRBennett66 min
Jun 13, 9:52 PM MDTSpecial Weather StatementUNRBennett38 min
Jun 13, 10:07 PM MDTSevere Thunderstorm WarningUNRBennett, Jackson53 min
Jun 13, 10:41 PM MDTSevere Thunderstorm WarningUNRBennett, Jackson, Mellette, Todd64 min
Jun 13, 11:40 PM MDTSevere Thunderstorm WarningUNRMellette, Todd80 min
Jun 14, 4:31 AM MDTSpecial Weather StatementUNRFall River44 min
Jun 14, 5:06 AM MDTSpecial Weather StatementUNRCuster24 min
Jun 14, 5:13 AM MDTSevere Thunderstorm WarningUNRCuster47 min
Jun 14, 5:59 AM MDTSevere Thunderstorm WarningUNRCuster, Pennington61 min
Jun 14, 6:43 AM MDTSevere Thunderstorm WarningUNRHaakon, Jackson, Pennington77 min
Jun 14, 7:44 AM MDTSevere Thunderstorm WarningUNRHaakon, Jackson46 min
Jun 14, 8:23 AM MDTSpecial Weather StatementUNRJackson37 min
Jun 14, 9:24 AM MDTSpecial Weather StatementUNROglala Lakota36 min
Jun 14, 9:59 AM MDTSpecial Weather StatementUNRBennett, Jackson61 min
Jun 14, 10:23 AM MDTAreal Flood AdvisoryUNRBennett, Haakon, Jackson, Mellette, Pennington, Todd6 hr
Jun 14, 10:32 AM MDTSevere Thunderstorm WarningUNRBennett, Haakon, Jackson, Mellette, Todd58 min
Jun 14, 4:48 PM MDTSpecial Weather StatementUNR42 min
Jun 14, 4:55 PM MDTSevere Thunderstorm WarningUNRCampbell65 min

Nearby

Flash Flood Warnings in South Dakota, 2014Every flash flood warning in 2014

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.