Alert archive / South Dakota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 1, NWS Sioux Falls, SD

May 15, 1992Mellette County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at May 15, 1992, 2:33 PM CDT for Mellette County, South Dakota. It was in force for 27 min. 2 reports 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 15, 1992, 2:33 PM CDT (19:33 UTC)
Expired
May 15, 1992, 3:00 PM CDT
In force
27 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Mellette County, SD

What was reported inside it

TimeReportWhereRemark
May 15, 2:45 PM CDTHail 1.75Mellette, SD
May 15, 3:00 PM CDTHail 1.75Mellette, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 7.6 hours before the alert went out and 179 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, Rapid City, SD at 12:00Z on 1992-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 12:00Z on 1992-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFSD 151932
SVRFSD
SDC095-152000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
233 PM CDT (133 PM MDT) FRI MAY 15 1992
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 PM CDT (200 PM MDT)
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL SOUTH DAKOTA
 
   ...CENTRAL MELLETTE COUNTY
 
THIS WARNING INCLUDES THE COMMUNITY OF WHITE RIVER.
 
AT 228 PM CDT A SEVERE THUNDERSTORM WAS OVER CENTRAL MELLETTE
COUNTY NEAR THE COMMUNITY OF WHITE RIVER. THIS STORM HAS ALREADY
PRODUCED DIME SIZED HAIL. THIS STORM WAS MOVING TO THE NORTH AT 10
MILES AN HOUR.
 
IF YOU ARE IN THE PATH OF THVIS STORM...YOU SHOULD GET TO A
REINFORCED SHELTER. A SEVERE THUNDERSTORM PRODUCES WINDS IN EXCESS
OF 60 MPH...HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND HEAVY
RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.
 
BUSS

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, May 15, 12:15 PM CDT, 2 hours 18 minutes before
IAZ001-004-005-151745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1214 PM CDT FRI MAY 15 1992

...STRONG THUNDERSTORMS WERE OVER THE SIOUXLAND AREA...

AT 1210 PM STRONG THUNDERSTORMS STRETCHED FROM 30 MILES SOUTHWEST OF
SIOUX CITY...NEAR PENDER NEBRASKA TO 50 MILES SOUTHEAST OF SIOUX CITY
NEAR SOLDIER IOWA. OTHER STRONG STORMS WERE FROM ALLEN NEBRASKA TO 10
MILES EAST OF THE SIOUX GATEWAY AIRPORT.

THESE STORMS WILL LIKELYy PRODUCE HEAVY RAIN AND DEADLY LIGHTNING AND
POSSIBLY HAIL AS THEY MOVE SOUTHEAST AT 30 MILES AN HOUR. PERSONS
SOUTH OF HIGHWAY 20 SHOULD BE PREPARED STRONG THUNDERSTORMS EARLY
THIS AFTERNOON.

DROZD
Special weather statement, May 15, 12:17 PM CDT, 2 hours 16 minutes before
IAZ001-004-005-151745-

SPECIAL WEATHER STATEMENT AND WEATHER UPDATE FOR SIOUX CITY AND VICINITY
NATIONAL WEATHER SERVICE SIOUX CITY IA
1214 PM CDT FRI MAY 15 1992              ..CORRECTION..

...STRONG THUNDERSTORMS WERE OVER THE SIOUXLAND AREA...

AT 1210 PM STRONG THUNDERSTORMS STRETCHED FROM 30 MILES SOUTHWEST OF
SIOUX CITY...NEAR PENDER NEBRASKA TO 50 MILES SOUTHEAST OF SIOUX CITY
NEAR SOLDIER IOWA. OTHER STRONG STORMS WERE FROM ALLEN NEBRASKA TO 10
MILES EAST OF THE SIOUX GATEWAY AIRPORT.

THESE STORMS WILL LIKELY PRODUCE HEAVY RAIN AND DEADLY LIGHTNING AND
POSSIBLY HAIL AS THEY MOVE SOUTHEAST AT 30 MILES AN HOUR. PERSONS
SOUTH OF HIGHWAY 20 SHOULD BE PREPARED FOR STRONG THUNDERSTO RMS EARLY
THIS AFTERNOON.

DROZD...CORRECTED HEADLINE AND LAST SENTENCE
Special weather statement, May 15, 12:44 PM CDT, 1 hour 49 minutes before
IAZ001-004-005-151820-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1243 PM CDT FRI MAY 15 1992

...STRONG THUNDERSTORMS WERE OVER THE SIOUXLAND AREA...

AT 1240 PM THUNDERSTORMS WERE SOUTH OF A LINE FROM MARTINSBURG
NEBRASKA...20 MILES WEST OF SIOUX CITY...TO DANBURY IOWA...40 MILES
SOUTHEAST OF SIOUX CITY. THE STRONGEST STORM WAS NEAR DAKOTA CITY
NEBRASKA.

THESE STORMS WILL LIKELY PRODUCE HEAVY RAIN AND DEADLY LIGHTNING ANJD
POSSIBLY HAIL AS THEY MOVE SOUTHEAST AT 30 MILES AN HOUR. PERSONS
SOUTH OF HIGHWAY 20 SHOULD BE PREPARED FOR STRONG THUNDERSTORMS EARLY
THIS AFTERNOON.

DROZD
Special weather statement, May 15, 1:19 PM CDT, 1 hour 14 minutes before
IAZ001-004-005-151845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
1219 PM CDT FRI MAY 15 1992

...STRONG THUNDERSTORMS WERE OVER THE SIOUXLAND AREA...

AT 1215 PM CDT THUNDERSTORMS WERE SOUTH OF A LINE FROM MARTINSBURG
NEBRASKA...20 MILES WEST OF SIOUX CITY...TO ANTHON IOWA...30 MILES
EAST OF SIOUX CITY. THE STRONGEST STORM WAS 20 MILES SOUTHEAST OF
SIOUX CITY...NEAR CLIMBING HILL IOWA.

THESE STORMS WILL LIKELY PRODUCE HEAVY RAIN AND DEADLY LIGHTNING AND
POSSIBLY HAIL AS THEY MOVE SOUTHEAST AT 30 MILES AN HOUR. PERSONS
SOUTH OF HIGHWAY 20 SHOULD BE PREPARED FOR STRONG THUNDERSTORMS THROUGH
3 PM.

DROZD
Special weather statement, May 15, 1:56 PM CDT, 37 minutes before
SDZ015-151930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
155 PM CDT FRI MAY 15 1992

...STRONG THUNDERSTORMS DEVELOP IN MELLETTE COUNTY OF SOUTH CENTRAL
SOUTH DAKOTA...

AT 150 PM CDT WEATHER RADAR INDICATED STRONG THUNDERSTORMS ACROSS
WEST CENTRAL MELLETTE COUNTY. THE STORMS WERE LOCATED BETWEEN THE
COMMUNITIES OF WHITE RIVER AND CEDAR BUTTE...OR ABOUT 35 MILES
SOUTHEAST OF PHILIP. THE STORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR.

THESE STORMS HAVE THE POTENTIAL OF PRODUCING HAIL...GUSTY WINDS...
AND BRIEF HEAVY RAIN. IF YOU OBSERVE A STORM APPROACHING YOUR AREA
...TAKE SHELTER IMMEDIATELY INSIDE A BUILDING. ALSO REMEMBER THAT
THUNDERSTORMS FREQUENTLY PRODUCE D)ANGEROUS LIGHTNING.

MENTZER
Special weather statement, May 15, 2:05 PM CDT, 28 minutes before
IAZ001-004-005-151945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
204 PM CDT FRI MAY 15 1992

...STRONG THUNDERSTORMS WERE OVER THE SIOUXLAND AREA...

AT 2 PM CDT THUNDERSTORMS WERE SOUTH OF A LINE FROM NEWCASTLE
NEBRASKA...25 MILES NORTHWEST OF SIOUX CITY...TO CORRECTIONVEILLE IOWA
OR 30 MILES EAST OF SIOUX CITY. THE STRONGEST STORM WAS 15 MILES EAST
SIOUX CITY...NEAR MOVILLE IOWA.

THESE STORMS WILL LIKELY PRODUCE HEAVY R@AIN AND DEADLY LIGHTNING AND
POSSIBLY HAIL AS THEY MOVE SOUTHEAST AT 25 MILES AN HOUR. SCATTERED
THUNDERSTORMS...SOME STRONG WILL CONTINUE ACROSS THE SIOUXLAND AREA
THIS AFTERNOON.

DROZD

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 3:08 PM CDTSevere Thunderstorm WarningFSDMellette52 min
May 15, 3:18 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix42 min
May 15, 4:12 PM CDTSevere Thunderstorm WarningFSDTripp48 min
May 15, 4:50 PM CDTSevere Thunderstorm WarningFSDAurora22 hr
May 15, 5:03 PM CDTSevere Thunderstorm WarningFSDTripp27 min
May 15, 5:15 PM CDTSevere Thunderstorm WarningFSDAurora30 min
May 15, 5:18 PM CDTSevere Thunderstorm WarningFSDBon Homme27 min
May 15, 5:24 PM CDTSevere Thunderstorm WarningFSDBrule, Charles Mix51 min
May 15, 6:02 PM CDTSevere Thunderstorm WarningFSDDavison43 min
May 15, 6:25 PM CDTTornado WarningFSDHanson35 min
May 15, 6:52 PM CDTSevere Thunderstorm WarningFSDHutchinson53 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1992Every severe thunderstorm warning in 1992

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.