Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 49, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at May 31, 1996, 9:46 PM CDT for Big Stone County, Minnesota; Grant County, South Dakota. It was in force for 29 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 31, 1996, 9:46 PM CDT (02:46 UTC)
- Expired
- May 31, 1996, 10:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Big Stone County, MN, Grant County, SD
The radar
The Aberdeen radar (KABR), 143 km from the middle of the area, began a volume at 02:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 10:00 PM CDT | Thunderstorm Wind 61 | Milbank, SD |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 2.8 hours before the alert went out and 149 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
- 2345 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 340 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 16.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KABR 010246 SVRABR MNC011-SDC051-010315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ABERDEEN SD 946 PM CDT FRI MAY 31 1996 THE NATIONAL WEATHER SERVICE IN ABERDEEN SD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST SOUTH DAKOTA ...EASTERN GRANT COUNTY IN WEST CENTRAL MINNESOTA ...EASTERN AND CENTRAL BIG STONE COUNTY AT 945 PM CDT...A LINE OF SEVERE THUNDERTORMS EXTENDED FROM CLINTON IN BIG STONE COUNTY...TO BEMIS IN WEST CENTRAL DEUEL COUNTY. MOVEMENT IS NORTHEAST AT 30 MPH. COMMUNITIES IN THE PATH INCLUDE...BEMIS...CLINTON...ORTONVILLE...MILBANK...ALBEE... LABOLT...AND REVILLO. A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. WHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. DO NOT DRIVE INTO LOW WATER CROSSINGS. BUCKLEW/GS/HG
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
Local storm report, May 31, 3:52 PM CDT, 5 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SOUTH DAKOTA
352 PM CDT FRI MAY 31 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
@
0315 PM S ISABEL SD .88 INCH HAIL
05/31/96 DEWEY SPOTTER REPORT FROM
SHERIFF DEPT.
BUCKLEWSpecial weather statement, May 31, 8:16 PM CDT, 1 hour 30 minutes before
SDZ003>006-009-010-015>018-033>036-010320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 815 PM CDT (715 PM MDT) FRI MAY 31 1996 ...TORNADO WATCH FOR CENTRAL AND NORTH CENTRAL SOUTH DAKOTA HAS EXPIRED... ...TORNADO WATCH FOR BROWN AND SPINK COUNTIES HAS BEEN CANCELLED... ALL THE SEVERE THUNDERSTORMS AND TORNADOES IN SOUTH DAKOTA HAVE MOVED TO THE EAST OF BROWN AND SPINK COUNTIES...INTO FAR NORTHEASTERN AND EASTERN SOUTH DAKOTAB. SEVERE WEATHER IS NO LONGER A THREAT FROM BROWN AND SPINK COUNTIES WEST INTO CENTRAL AND NORTH CENTRAL SOUTH DAKOTA...AND TORNADO WATCHES FOR THESE AREAS ARE NO LONGER IN EFFECT. MIDDLEBROOKE
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 7:47 PM CDT | Tornado Warning | ABR | Big Stone | 73 min |
| May 31, 9:01 PM CDT | Tornado Warning | ABR | Big Stone | 34 min |
| May 31, 7:23 PM CDT | Tornado Warning | ABR | Marshall | 32 min |
| May 31, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 55 min |
| May 31, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 55 min |
| May 31, 7:38 PM CDT | Tornado Warning | ABR | Grant, Roberts | 47 min |
| May 31, 8:13 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 32 min |
| May 31, 8:19 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Deuel, Hamlin | 61 min |
| May 31, 8:26 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 64 min |
| May 31, 9:24 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 46 min |
| May 31, 9:36 PM CDT | Tornado Warning | ABR | Deuel | 34 min |
| May 31, 9:52 PM CDT | Tornado Warning | ABR | Grant | 33 min |
| Jun 1, 4:07 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 63 min |
| Jun 1, 4:31 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 49 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1996Severe Thunderstorm Warnings in South Dakota, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.