Alert archive / South Dakota / Tornado Warnings in 2001

Tornado Warning 13, NWS Aberdeen, SD

July 19, 2001Edmunds County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 19, 2001, 6:43 PM CDT for Edmunds County, South Dakota. It was in force for 47 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
Jul 19, 2001, 6:43 PM CDT (23:43 UTC)
Expired
Jul 19, 2001, 7:30 PM CDT
In force
47 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Edmunds County, SD

The radar

The Aberdeen radar (KABR), 63 km from the middle of the area, began a volume at 23:47 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

TimeReportWhereRemark
Jul 19, 6:50 PM CDTHail 1.75Bowdle, 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 12:00Z, 11.7 hours before the alert went out and 86 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 2001-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 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 2001-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
71 J/kg
Mixed-layer CIN
-578 J/kg
Mixed-layer LCL
2058 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
321 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 
WFUS53 KABR 192344
TORABR

SDC045-200030-
/NEW.KABR.TO.W.0044.192343-200030/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
643 PM CDT THU JUL 19 2001

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  EDMUNDS COUNTY IN NORTH CENTRAL SOUTH DAKOTA

* UNTIL 730 PM CDT

* AT 643 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
  13 MILES WEST   OF LOYALTON...OR ABOUT 27 MILES NORTHWEST OF
  FAULKTON...MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  LOYALTON AROUND 725 PM CDT

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION. IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER NOW!

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
ABERDEEN.

$$
LAT...LON 4532 9963 4527 9963 4527 9913 4550 9917

MOHR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:56 PM CDTSevere Thunderstorm WarningABREdmunds, Walworth64 min
Jul 18, 8:32 PM CDTTornado WarningABREdmunds28 min
Jul 18, 8:38 PM CDTTornado WarningABRMcPherson37 min
Jul 18, 8:43 PM CDTTornado WarningABRFaulk, Potter32 min
Jul 18, 8:59 PM CDTSevere Thunderstorm WarningABREdmunds31 min
Jul 18, 9:13 PM CDTTornado WarningABRFaulk, Potter32 min
Jul 18, 9:44 PM CDTTornado WarningABRFaulk31 min
Jul 18, 9:58 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk47 min
Jul 18, 10:19 PM CDTFlash Flood WarningABREdmunds, Faulk3 hr
Jul 18, 10:29 PM CDTSevere Thunderstorm WarningABRPotter31 min
Jul 18, 10:45 PM CDTSevere Thunderstorm WarningABREdmunds, Faulk45 min
Jul 18, 11:54 PM CDTSevere Thunderstorm WarningABRCorson51 min
Jul 19, 12:43 AM CDTSevere Thunderstorm WarningABRCorson62 min
Jul 19, 1:34 AM CDTSevere Thunderstorm WarningABRCampbell41 min
Jul 19, 1:43 AM CDTSevere Thunderstorm WarningABRCorson17 min
Jul 19, 2:14 AM CDTSevere Thunderstorm WarningABRCampbell31 min
Jul 19, 3:31 AM CDTSevere Thunderstorm WarningABREdmunds44 min
Jul 19, 3:57 AM CDTSevere Thunderstorm WarningABRBrown, Faulk, Spink48 min
Jul 19, 4:50 AM CDTSevere Thunderstorm WarningABRSpink40 min
Jul 19, 5:33 AM CDTSevere Thunderstorm WarningABRSpink27 min
Jul 19, 3:27 PM CDTSevere Thunderstorm WarningABRCorson, Dewey48 min
Jul 19, 6:17 PM CDTSevere Thunderstorm WarningABREdmunds, Walworth43 min
Jul 19, 6:54 PM CDTTornado WarningABRPotter36 min

Nearby

Tornado Warnings in South Dakota, 2001Every tornado warning in 2001Tornadoes in 2001

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.