Alert archive / South Dakota / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 588
The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2001, 4:30 PM MDT for 21 counties in South Dakota. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2001, 4:30 PM MDT (22:30 UTC)
- Expired
- Jul 19, 2001, 11:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 21 counties
Bennett County, SD, Butte County, SD, Campbell County, SD, Corson County, SD, Custer County, SD, Dewey County, SD, Fall River County, SD, Haakon County, SD, Harding County, SD, Jackson County, SD, Jones County, SD, Lawrence County, SD, Meade County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Ziebach County, SD
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 4:55 PM MDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Jul 19, 5:13 PM MDT | Severe Thunderstorm Warning | UNR | Jackson | 47 min |
| Jul 19, 5:27 PM MDT | Severe Thunderstorm Warning | UNR | Harding | 48 min |
| Jul 19, 5:41 PM MDT | Severe Thunderstorm Warning | UNR | Haakon | 64 min |
| Jul 19, 6:06 PM MDT | Severe Thunderstorm Warning | UNR | Jackson | 34 min |
| Jul 19, 6:13 PM MDT | Severe Thunderstorm Warning | UNR | Harding | 62 min |
| Jul 19, 6:41 PM MDT | Tornado Warning | UNR | Harding | 49 min |
| Jul 19, 6:49 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 41 min |
| Jul 19, 7:12 PM MDT | Severe Thunderstorm Warning | UNR | Ziebach | 48 min |
| Jul 19, 7:17 PM MDT | Severe Thunderstorm Warning | UNR | Harding | 58 min |
| Jul 19, 7:21 PM MDT | Severe Thunderstorm Warning | UNR | Jackson | 54 min |
| Jul 19, 7:42 PM MDT | Severe Thunderstorm Warning | ABR | Dewey | 33 min |
| Jul 19, 8:06 PM MDT | Severe Thunderstorm Warning | UNR | Ziebach | 34 min |
| Jul 19, 8:15 PM MDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 45 min |
| Jul 19, 8:16 PM MDT | Severe Thunderstorm Warning | UNR | Perkins | 59 min |
| Jul 19, 8:49 PM MDT | Severe Thunderstorm Warning | ABR | Corson | 56 min |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 315 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
- 127 J/kg
- Mixed-layer CIN
- -567 J/kg
- Mixed-layer LCL
- 1721 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:45 PM MDT | Severe Thunderstorm Watch | SPC | Butte, Corson, Harding, Meade, Perkins, Ziebach | 5 hr |
| Jul 18, 7:45 PM MDT | Severe Thunderstorm Watch | SPC | Butte, Corson, Harding, Meade, Perkins, Ziebach | 5 hr |
| Jul 18, 9:00 PM MDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Dewey, Edmunds, Faulk, Hand and 7 more | 5 hr |
| Jul 19, 2:00 AM MDT | Severe Thunderstorm Watch | SPC | Brown, Day, Edmunds, Faulk, Grant, McPherson and 2 more | 5 hr |
Nearby
Severe Thunderstorm Watches in South Dakota, 2001Every severe thunderstorm watch in 2001
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.