Alert archive / South Dakota / Flash Flood Warnings in 2019

Flash Flood Warning 9, NWS Rapid City, SD

July 14, 2019Pennington County, South Dakota

NWS Rapid City, SD issued this flash flood warning at Jul 14, 2019, 4:49 PM MDT for Pennington County, South Dakota. It was in force for 3 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 14, 2019, 4:49 PM MDT (22:49 UTC)
Expired
Jul 14, 2019, 7:45 PM MDT
In force
3 hr
Issued by
NWS Rapid City, SD
Area
Storm-based polygon
Flood severity
None

County Pennington County, SD

The radar

The Rapid City radar (KUDX), 13 km from the middle of the area, began a volume at 22:50 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

Aberdeen, SD (KABR), launched 12:00Z, 10.8 hours before the alert went out and 365 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, Aberdeen, SD at 12:00Z on 2019-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1837 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, Aberdeen, SD at 12:00Z on 2019-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
1837 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 8:18 PM MDTSpecial Weather StatementUNR27 min
Jul 13, 11:02 PM MDTSpecial Weather StatementUNRHarding58 min
Jul 13, 11:41 PM MDTSpecial Weather StatementUNRButte49 min
Jul 13, 11:49 PM MDTSpecial Weather StatementUNRHarding56 min
Jul 14, 12:29 AM MDTSpecial Weather StatementUNRTodd46 min
Jul 14, 12:31 AM MDTSpecial Weather StatementUNRFall River44 min
Jul 14, 12:34 AM MDTSpecial Weather StatementUNRButte56 min
Jul 14, 12:53 AM MDTSevere Thunderstorm WarningUNRHarding, Perkins67 min
Jul 14, 1:23 AM MDTSevere Thunderstorm WarningUNRButte, Harding, Meade, Perkins, Ziebach67 min
Jul 14, 1:29 AM MDTSevere Thunderstorm WarningUNRTodd25 min
Jul 14, 1:54 AM MDTHeat AdvisoryUNRMellette, Todd, Tripp16 hr
Jul 14, 2:32 AM MDTSpecial Weather StatementUNRZiebach58 min
Jul 14, 2:53 AM MDTSpecial Weather StatementUNRLawrence67 min
Jul 14, 4:51 AM MDTSpecial Weather StatementUNRZiebach54 min
Jul 14, 5:50 AM MDTSpecial Weather StatementUNRZiebach55 min
Jul 14, 6:21 AM MDTSpecial Weather StatementUNRZiebach54 min
Jul 14, 8:39 AM MDTSpecial Weather StatementUNRJackson51 min
Jul 14, 1:01 PM MDTSpecial Weather StatementUNRPennington29 min
Jul 14, 1:16 PM MDTSevere Thunderstorm WarningUNRPennington59 min
Jul 14, 2:09 PM MDTSpecial Weather StatementUNRPennington51 min
Jul 14, 2:11 PM MDTAreal Flood AdvisoryUNRPennington3 hr
Jul 14, 2:19 PM MDTSevere Thunderstorm WarningUNRCuster, Pennington41 min
Jul 14, 2:48 PM MDTSpecial Weather StatementUNRPennington27 min
Jul 14, 2:53 PM MDTSpecial Weather StatementUNRPennington37 min
Jul 14, 3:03 PM MDTSpecial Weather StatementUNRLawrence27 min
Jul 14, 3:06 PM MDTSevere Thunderstorm WarningUNRLawrence, Meade54 min
Jul 14, 3:39 PM MDTSpecial Weather StatementUNRLawrence36 min
Jul 14, 3:54 PM MDTSevere Thunderstorm WarningUNRMeade, Pennington16 min
Jul 14, 4:02 PM MDTSpecial Weather StatementUNRLawrence28 min
Jul 14, 4:09 PM MDTSevere Thunderstorm WarningUNRLawrence, Meade, Pennington66 min
Jul 14, 4:32 PM MDTSevere Thunderstorm WarningUNRMellette, Todd, Tripp58 min
Jul 14, 5:11 PM MDTSpecial Weather StatementUNRPennington49 min
Jul 14, 5:28 PM MDTSpecial Weather StatementUNRTodd32 min
Jul 14, 5:49 PM MDTSevere Thunderstorm WarningUNROglala Lakota56 min
Jul 14, 5:55 PM MDTSevere Thunderstorm WarningUNRMellette, Tripp23 min
Jul 13, 6:54 PM MDTSpecial Weather StatementUNRCampbell21 min
Jul 13, 8:37 PM MDTSevere Thunderstorm WarningUNRCampbell, Weston53 min

Nearby

Flash Flood Warnings in South Dakota, 2019Every flash flood warning in 2019

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.