Alert archive / South Dakota / Heat Advisories in 2018

Heat Advisory 2, NWS Aberdeen, SD

July 3, 20189 counties in South Dakota

NWS Aberdeen, SD issued this heat advisory at Jul 3, 2018, 3:31 AM CDT for 9 counties in South Dakota. It took effect at Jul 3, 2018, 2:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 3, 2018, 3:31 AM CDT (08:31 UTC)
In effect from: Jul 3, 2018, 2:00 PM CDT
Expired: Jul 3, 2018, 8:00 PM CDT
In force: 6 hr
Issued by: NWS Aberdeen, SD

Counties Brown County, SD, Buffalo County, SD, Edmunds County, SD, Faulk County, SD, Hand County, SD, Hyde County, SD, Lyman County, SD, McPherson County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 84 km from the middle of the area, began a volume at 08:34 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 8.5 hours before the alert went out and 55 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: 2124 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1720 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 8.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jul 3, 3:01 AM CDT, 30 minutes earlier.

Area forecast discussion, Jul 3, 3:01 AM CDT, 30 minutes before

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In the hours before

Local storm report, Jul 2, 10:00 PM CDT, 5 hours 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1000 PM CDT MON JUL 2 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     HAIL             7 ESE POLO              44.72N 98.99W
07/02/2018  E0.88 INCH       HAND               SD   LAW ENFORCEMENT

&&

TMK

Special weather statement, Jul 2, 10:02 PM CDT, 5 hours 29 minutes before

Special Weather Statement
National Weather Service Aberdeen SD
1002 PM CDT MON JUL 2 2018

SDZ018-019-037-030345-
Hand SD-Clark SD-Spink SD-
1002 PM CDT MON JUL 2 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HAND...SOUTHWESTERN
CLARK AND SOUTHERN SPINK COUNTIES UNTIL 1045 PM CDT...

At 1002 PM CDT, Doppler radar was tracking a strong thunderstorm over
Tulare, or 12 miles south of Redfield, moving east at 30 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Tulare, Burdette, Fordham Colony, Twin Lakes, Clark Colony, Spink
Colony, Glendale Colony, Spottswood, Hillside Colony and Cottonwood
Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
central and northeastern South Dakota.

LAT...LON 4462 9879 4476 9888 4486 9791 4468 9784
      4463 9859 4464 9870 4463 9871
TIME...MOT...LOC 0302Z 256DEG 24KT 4470 9852

Wise

Local storm report, Jul 2, 10:05 PM CDT, 5 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1005 PM CDT MON JUL 2 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1004 PM     HAIL             7 WNW BURDETTE          44.73N 98.94W
07/02/2018  E1.00 INCH       HAND               SD   LAW ENFORCEMENT

&&

TMK

Special weather statement, Jul 2, 10:33 PM CDT, 4 hours 58 minutes before

Special Weather Statement
National Weather Service Aberdeen SD
1033 PM CDT MON JUL 2 2018

SDZ037-030415-
Hand SD-
1033 PM CDT MON JUL 2 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HAND COUNTY UNTIL
1115 PM CDT...

At 1033 PM CDT, Doppler radar was tracking a strong thunderstorm near
Burdette, or 15 miles north of Miller, moving east at 15 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Burdette and Polo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
central South Dakota.

LAT...LON 4464 9914 4478 9918 4486 9875 4469 9872
TIME...MOT...LOC 0333Z 258DEG 12KT 4474 9892

Wise

Local storm report, Jul 2, 10:34 PM CDT, 4 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1034 PM CDT MON JUL 2 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1027 PM     HAIL             3 NW BURDETTE           44.73N 98.86W
07/02/2018  E1.00 INCH       HAND               SD   LAW ENFORCEMENT

&&

TMK

Local storm report, Jul 2, 11:10 PM CDT, 4 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1110 PM CDT MON JUL 2 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1109 PM     HAIL             3 NE VIENNA             44.73N 97.46W
07/02/2018  E0.88 INCH       HAMLIN             SD   PUBLIC

            HEAVY RAIN AND 30 MPH WIND.

&&

TMK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 7:04 PM CDT	Special Weather Statement	ABR	Hand	41 min
Jul 2, 7:55 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Spink	50 min
Jul 2, 8:06 PM CDT	Tornado Warning	ABR	Spink	24 min
Jul 2, 8:12 PM CDT	Severe Thunderstorm Warning	ABR	Hand	33 min
Jul 2, 8:42 PM CDT	Severe Thunderstorm Warning	ABR	Brown	48 min
Jul 2, 8:48 PM CDT	Severe Thunderstorm Warning	ABR	Spink	42 min
Jul 2, 9:00 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Hyde	25 min
Jul 2, 9:06 PM CDT	Severe Thunderstorm Warning	ABR	Spink	39 min
Jul 2, 9:18 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Spink	42 min
Jul 2, 9:41 PM CDT	Severe Thunderstorm Warning	ABR	Hand	49 min
Jul 2, 10:02 PM CDT	Special Weather Statement	ABR	Spink	43 min
Jul 2, 10:13 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Spink	15 min
Jul 2, 10:18 PM CDT	Flash Flood Warning	ABR	Hand, Spink	8 hr
Jul 2, 10:33 PM CDT	Special Weather Statement	ABR	Hand	42 min
Jul 2, 10:43 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Hamlin	33 min
Jul 2, 10:45 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Spink	45 min
Jul 2, 11:30 PM CDT	Severe Thunderstorm Warning	ABR	Hand	45 min
Jul 2, 11:35 PM CDT	Flash Flood Warning	ABR	Hand, Spink	8 hr
Jul 3, 12:02 AM CDT	Severe Thunderstorm Warning	ABR	Hand	43 min
Jul 3, 12:33 AM CDT	Severe Thunderstorm Warning	ABR	Faulk, Hand	18 min
Jul 3, 12:44 AM CDT	Severe Thunderstorm Warning	ABR	Hand	46 min
Jul 3, 1:51 AM CDT	Severe Thunderstorm Warning	ABR	Hand	26 min
Jul 3, 1:56 AM CDT	Flash Flood Warning	ABR	Faulk, Hand, Hyde	6 hr
Jul 3, 2:43 AM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk, Potter	37 min
Jul 3, 6:26 AM CDT	Areal Flood Warning	ABR	Hand, Spink	6 hr
Jul 3, 10:00 AM CDT	Special Weather Statement	ABR	Roberts	45 min
Jul 3, 10:03 AM CDT	Severe Thunderstorm Warning	ABR	Roberts	30 min
Jul 3, 12:25 PM CDT	Areal Flood Warning	ABR	Hand, Spink	3 days
Jul 3, 6:56 PM CDT	Special Weather Statement	ABR	Faulk	49 min

Nearby

Heat Advisories in South Dakota, 2018 Every heat advisory in 2018

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; radar from the NEXRAD Level II archive.