Alert archive / South Dakota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 18, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 12, 1993, 9:04 PM CDT for Lyman County, South Dakota. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jun 12, 1993, 9:04 PM CDT (02:04 UTC)
- Expired
- Jun 12, 1993, 9:45 PM CDT
- In force
- 41 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
County Lyman County, SD
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 2.1 hours before the alert went out and 243 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
- 151 J/kg
- Mixed-layer CIN
- -287 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 12, 3:40 PM CDT, 5 hours 24 minutes before
SDZ003-122100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 340 PM CDT SAT JUN 12 1993 ...THUNDERSTORMS DEVELOPING ALONG THE MISSOURI RIVER... THUNDERSTORMS HAVE STARTED TO DEVELOPE ALONG AND WEST OF THE MISSOURI RIVER ACCORDING TO CURRENT RADAR INFORMATION. THESE STORMS...SOME HAVING HEAVY RAIN AND SMALL HAIL...ARE EXPECTED TO MOVE TO THE NORTHEAST. THESE STORMS WILL BE A PROBLEM FOR BOATERS ON THE OAHE FROM 35 NORTH OF PIERRE TO THE NORTH DAKOTA STATE LINE NORTH OF POLLOCK. REMEMBER...SOME OF THESE STORMS COULD DEVELOPE RAPIDLY INTO A SEVERE WEATHER SITUATION...SO PLEASE KEEP AN EYE TO THE SKY AND STAY TUNED TO YOUR LOCAL RADIO OR T.V. FOR ADDITIONAL INFORMATION STUDNICKA
Special weather statement, Jun 12, 3:43 PM CDT, 5 hours 21 minutes before
SDZ003-122100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 340 PM CDT SAT JUN 12 1993 ...THUNDERSTORMS DEVELOPING ALONG THE MISSOURI RIVER... THUNDERSTORMS HAVE STARTED TO DEVELOPE ALONG AND WEST OF THE MISSOURI RIVER ACCORDING TO CURRENT RADAR INFORMATION. THESE STORMS...SOME HAVING HEAVY RAIN AND SMALL HAIL...ARE EXPECTED TO MOVE TO THE NORTHEAST. THESE STORMS WILL BE A PROBLEM FOR BOATERS ON THE OAHE FROM 35 NORTH OF PIERRE TO THE NORTH DAKOTA STATE LINE NORTH OF POLLOCK. REMEMBER...SOME OF THESE STORMS COULD DEVELOPE RAPIDLY INTO A SEVERE WEATHER SITUATION...SO PLEASE KEEP AN EYE TO THE SKY AND STAY TUNED TO YOUR LOCAL RADIO OR T.V. FOR ADDITIONAL INFORMATION STUDNICKA
Local storm report, Jun 12, 7:30 PM CDT, 1 hour 34 minutes before
STORM REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 730 PM CDT SAT JUN 12 1993 STORM DATA FOR SAT JUN 12 1993 TIME COUNTY..LOCATION CHARACTER OF STORM..DAMAGE ....................................................................... 525 PM MDT CORSON...WAKPALA. HAIL (PENNY SIZE) POLICE. 638 PM CDT CAMPBELL...3W POLLOCK. HAIL (PENNY SIZE) SPOTTER. 659 PM CDT WALWORTH...3N GLENHAM. HAIL (GOLFBALL) SPOTTER. R.S.
Local storm report, Jun 12, 7:33 PM CDT, 1 hour 31 minutes before
STORM REPORT NATIONAL WEATHER SERVICE ABERDEEN SD 730 PM CDT SAT JUN 12 1993 STORM DATA FOR SAT JUN 12 1993 TIME COUNTY..LOCATION CHARACTER OF STORM..DAMAGE ....................................................................... 525 PM MDT CORSON...WAKPALA. HAIL (PENNY SIZE) POLICE. 638 PM CDT CAMPBELL...3W POLLOCK. HAIL (PENNY SIZE) SPOTTER. 659 PM CDT WALWORTH...3N GLENHAM. HAIL (GOLFBALL\) SPOTTER. R.S.
Special weather statement, Jun 12, 9:00 PM CDT, 4 minutes before
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</html>Special weather statement, Jun 12, 9:00 PM CDT, 4 minutes before
SDZ003-130300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 900 PM CDT SAT JUN 12 1993 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF NORTHEAST SOUTH DAKOTA UNTIL MIDNIGHT CDT... AT 855 PM CDT...SHOWERS AND THUNDERSTORMS COVER MUCH OF THE AREA BETWEEN THE MISSOURI AND JAMES RIVER. SOME OF THE THUNDERRSTORMS HAVE PRODUCED HEAVY RAINS...ESPECIALLY OVER EASTERN CAMPBELL COUNTY AND OVER MUCH OF MCPHERSON COUNTY. DURING THE PAST HOUR...NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE OFFICE AT ABERDEEN. THESE STORMS CONTINUE TO TO MOVE TO THE NORTHEAST AT 20 MILES AN HOUR. REMEMBER...SOME OF THESE STORMS COULD DEVELOPE RAPIDLY INTO A SEVERE WEATHER SITUATION...SO PLEASE KEEP AN EYE TO THE SKY AND STAY TUNED TO YOUR LOCAL RADIO OR T.V. FOR ADDITIONAL INFORMATION STUDNICKA
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 7:04 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 56 min |
| Jun 12, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 63 min |
| Jun 12, 7:51 PM CDT | Tornado Warning | ABR | Hughes, Sully | 54 min |
| Jun 12, 8:14 PM CDT | Tornado Warning | ABR | Hughes, Stanley | 61 min |
| Jun 12, 8:41 PM CDT | Tornado Warning | ABR | Buffalo | 14 min |
| Jun 12, 9:11 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 49 min |
| Jun 12, 9:40 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 50 min |
| Jun 12, 10:35 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 40 min |
| Jun 13, 1:08 AM CDT | Severe Thunderstorm Warning | ABR | Miner | 52 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1993Every severe thunderstorm warning in 1993
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.