Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 36, NWS Sioux Falls, SD

June 29, 1993Rock County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 29, 1993, 2:33 PM CDT for Rock County, Minnesota. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1993, 2:33 PM CDT (19:33 UTC)
Expired
Jun 29, 1993, 3:00 PM CDT
In force
27 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Rock County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 7.6 hours before the alert went out and 219 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 1993-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 145 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 1993-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
145 J/kg
Mixed-layer CIN
-368 J/kg
Mixed-layer LCL
812 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

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 29, 1:52 PM CDT, 41 minutes before
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Special weather statement, Jun 29, 1:54 PM CDT, 39 minutes before
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Local storm report, Jun 29, 2:19 PM CDT, 14 minutes before
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Local storm report, Jun 29, 2:19 PM CDT, 14 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE HURON SD
219 PM CDT TUE JUN 29 1993

STORM DATA FOR TUE JUN 29 1993

TIME            COUNTY...LOCATION          CHARACTER OF STORM...DAMAGE

956 AM CDT    CODINGTON CO...WATERTOWN       3/4 INCH HAIL
1223 PM CDT   BEADLE CO...HURON              55 KT WIND GUST
1252 PM CDT   SANBORN CO...2 W ARTESIAN      1 3/4 INCH HAIL
1252 PM CDT   SANBORN CO...4S 2W ARTESIAN    1 3/4 INCH HAIL
103 PM CDT    SANBORN CO...8 1/2 S ARTESIAN  UNCONFIRMED TORNADO
135 PM CDT    MINER CO...1 1/2 W HOWARD      1 INCH HAIL

FREDERICK
Local storm report, Jun 29, 2:20 PM CDT, 13 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
220 PM CDT TUE JUN 29 1993

 TIME          COUNTY...LOCATION AND STATE   CHARACTER OF STORM...DAMAGE
.......................................................................

 100 PM CDT   DAVISON/SD      DIME SIZE HAIL 8 MILES NORTH OF MITCHELL
 103 PM CDT   AURORA/SD       3/4-1 INCH HAIL 5 MILES WEST OF PLANKINTON
 220 PM CDT   LAKE/SD         3/4 INCH HAIL AT MADISON
 215 PM CDT   MINNEHAHA/SD    GOLFBALL SIZE HAIL AT THE EROS DATA
                              CENTER 15 MILES NORTHEAST OF SIOUX FALLS
KRIEHN
Local storm report, Jun 29, 2:25 PM CDT, 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
220 PM CDT TUE JUN 29 1993

 TIME          COUNTY...LOCATION AND STATE   CHARACTER OF STORM...DAMAGE
.......................................................................

 100 PM CDT   DAVISON/SD      DIME SIZE HAIL 8 MILES NORTH OF MITCHELL
 103 PM CDT   AURORA/SD       3/4-1 INCH HAIL 5 MILES WEST OF PLANKINTON
 220 PM CDT   LAKE/SD         3/4 INCH HAIL AT MADISON
 215 PM CDT   MINNEHAHA/SD    GOLFBALL SIZE HAIL AT THE EROS DATA
                              CENTER 15 MILES NORTHEAST OF SIOUX FALLS
KRIEHN

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 8:00 AM CDTSevere Thunderstorm WarningFSDMellette45 min
Jun 29, 8:50 AM CDTSevere Thunderstorm WarningFSDMellette40 min
Jun 29, 8:57 AM CDTSevere Thunderstorm WarningFSDMellette33 min
Jun 29, 9:30 AM CDTSevere Thunderstorm WarningFSDMellette45 min
Jun 29, 10:19 AM CDTSevere Thunderstorm WarningFSDTripp41 min
Jun 29, 10:57 AM CDTSevere Thunderstorm WarningFSDTripp24 min
Jun 29, 11:46 AM CDTSevere Thunderstorm WarningFSDBrule44 min
Jun 29, 1:07 PM CDTSevere Thunderstorm WarningFSDMcCook38 min
Jun 29, 1:38 PM CDTSevere Thunderstorm WarningFSDHanson37 min
Jun 29, 1:58 PM CDTSevere Thunderstorm WarningFSDLake32 min
Jun 29, 2:10 PM CDTSevere Thunderstorm WarningFSDMcCook50 min
Jun 29, 2:38 PM CDTSevere Thunderstorm WarningFSDMinnehaha, Moody37 min
Jun 29, 3:30 PM CDTFlash Flood WarningFSDMcCook, Minnehaha3 hr
Jun 29, 3:49 PM CDTFlash Flood WarningFSDMoody3 hr
Jun 29, 4:32 PM CDTTornado WarningFSDTripp28 min
Jun 29, 4:57 PM CDTTornado WarningFSDTripp33 min
Jun 29, 6:30 PM CDTFlash Flood WarningFSDMinnehaha, Moody3 hr
Jun 29, 6:30 PM CDTFlash Flood WarningFSDMcCook3 hr
Jun 29, 6:41 PM CDTSevere Thunderstorm WarningFSDCharles Mix28 min
Jun 29, 3:04 PM CDTSevere Thunderstorm WarningFSDPipestone26 min
Jun 29, 3:08 PM CDTSevere Thunderstorm WarningFSDNobles52 min
Jun 29, 3:49 PM CDTFlash Flood WarningFSDMurray, Nobles, Pipestone, Rock3 hr
Jun 29, 4:07 PM CDTSevere Thunderstorm WarningFSDNobles, Rock38 min
Jun 29, 6:30 PM CDTFlash Flood WarningFSDNobles3 hr
Jun 29, 6:30 PM CDTFlash Flood WarningFSDMurray3 hr
Jun 29, 2:51 PM CDTSevere Thunderstorm WarningFSDLyon39 min
Jun 29, 4:25 PM CDTFlash Flood WarningFSDLyon, Osceola2 hr
Jun 29, 4:40 PM CDTFlash Flood WarningFSDLyon, Osceola2 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.