Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 239, NWS Aberdeen, SD

September 15, 1997Faulk County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Sep 15, 1997, 12:57 AM CDT for Faulk County, South Dakota. It was in force for 48 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: Sep 15, 1997, 12:57 AM CDT (05:57 UTC)
Expired: Sep 15, 1997, 1:45 AM CDT
In force: 48 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

County Faulk County, SD

What was reported inside it

Time	Report	Where	Remark
Sep 15, 12:58 AM CDT	Hail 1	Faulkton, 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, 6.0 hours before the alert went out and 62 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 84 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 1369 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 241 m²/s²
0-3 km storm-relative helicity: 528 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 150555 RRA
SVRABR
SDC049-150645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1257 AM CDT MON SEP 15 1997

* SEVERE THUNDERSTORM WARNING FOR
  EASTERN FAULK COUNTY - NORTHEASTERN SOUTH DAKOTA

* UNTIL 145 AM CDT
 
* SOME LOCATIONS AFFECTED
  MIRANDA                             AROUND 105 AM CDT
  ROCKHAM                             AROUND 125 AM CDT
  ZELL                                AROUND 140 AM CDT

* AT 1254 AM CDT...ABERDEEN DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 41 MILES SOUTHWEST OF ABERDEEN OR 5 MILES NORTHWEST OF
  MIRANDA MOVING EAST AT 25 MPH.

THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS.

MM/DEE
 
 
*

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.

NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 14, 9:41 AM CDT, 15 hours 16 minutes earlier.

Area forecast discussion, Sep 14, 9:41 AM CDT, 15 hours 16 minutes before

AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD
AND FOR TRAVERSE/BIG STONE COUNTIES OF MN
NATIONAL WEATHER SERVICE ABERDEEN SD
940 AM CDT SUN SEP 14 1997

OBSERVER AT PIR SEEMED TO INDICATE THE SHOWERS OVER CENTRAL SOUTH
DAKOTA WERE WEAK. THE SHOWER ACTIVITY IS PROBABLY OVERACCENUTATED ON
THE 88D SINCE WERE LOOKING UP AT AROUND 20,000 FEET. OK ON PRECIPITATION
HOWEVER...CLOUDS MAY BE THE PROBLEM. BACK EDGE OF CLOUD SHIELD WAS
CLEAR BACK IN SOUTHWEST SOUTH DAKOTA AT 10Z. THIS WOULD GIVE MOST OF
THE CWA A MOSTLY CLOUDY DAY SINCE A THICK MID AND HIGH LEVEL CLOUD DECK
EXISTS OVER THE AREA. THIS SHOULD HOLD TEMPERATURES DOWN...ALTHOUGH
TEMPERATURES ARE ALREADY AHEAD OF SCEDULE. WILL UPDATE TO LEAVE CLOUDS
IN ACROSS MOST OF THE AREA THIS AFTERNOON.

.ABR...NONE.

CB

In the hours before

Local storm report, Sep 14, 11:09 PM CDT, 1 hour 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  ABERDEEN SD
1109 PM CDT SUN SEP 14 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1104 PM    MILLER                    SD   1.75 INCH HAIL
09/14/97   HAND

MIDDLEBROOKE

Local storm report, Sep 14, 11:10 PM CDT, 1 hour 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  ABERDEEN SD
1109 PM CDT SUN SEP 14 1997

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1104 PM    MILLER                    SD   1.75 INCH HAIL
09/14/97   HAND

MIDDLEBROOKE

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 7:00 PM CDT	Severe Thunderstorm Warning	ABR	Sully	60 min
Sep 14, 7:52 PM CDT	Severe Thunderstorm Warning	ABR	Potter, Sully	68 min
Sep 14, 8:38 PM CDT	Severe Thunderstorm Warning	ABR	Hughes, Hyde	62 min
Sep 14, 9:01 PM CDT	Severe Thunderstorm Warning	ABR	Sully	49 min
Sep 14, 10:41 PM CDT	Severe Thunderstorm Warning	ABR	Hand	49 min
Sep 15, 12:40 AM CDT	Severe Thunderstorm Warning	ABR	Spink	50 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1997 Every severe thunderstorm warning in 1997

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.