Alert archive / South Dakota / Heat Advisories in 2017
Heat Advisory 2, NWS Aberdeen, SD
NWS Aberdeen, SD issued this heat advisory at Jul 18, 2017, 3:03 PM CDT for 8 counties in South Dakota. It took effect at Jul 19, 2017, 1:00 PM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 18, 2017, 3:03 PM CDT (20:03 UTC)
- In effect from
- Jul 19, 2017, 1:00 PM CDT
- Expired
- Jul 19, 2017, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Aberdeen, SD
Counties Buffalo County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Stanley County, SD, Sully County, SD
The radar
The Aberdeen radar (KABR), 172 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 134 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
- 810 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat advisory 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 heat advisory went out at Jul 17, 6:40 PM CDT, 20 hours 23 minutes earlier.
Area forecast discussion, Jul 17, 6:40 PM CDT, 20 hours 23 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 |
|---|---|---|---|---|
| Jul 17, 7:05 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 25 min |
| Jul 17, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 63 min |
| Jul 17, 8:39 PM CDT | Special Weather Statement | ABR | Brule | 21 min |
| Jul 18, 2:18 AM CDT | Special Weather Statement | ABR | Corson | 57 min |
| Jul 18, 3:26 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Edmunds, McPherson, Walworth | 64 min |
| Jul 18, 4:36 AM CDT | Special Weather Statement | ABR | Edmunds, McPherson | 54 min |
| Jul 18, 5:38 AM CDT | Special Weather Statement | ABR | Brown, Spink | 52 min |
Nearby
Heat Advisories in South Dakota, 2017Every heat advisory in 2017
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.