Alert archive / Nebraska / Heat Advisories in 2021

Heat Advisory 6, NWS Hastings, NE

August 8, 202116 counties in Nebraska; 4 counties in Kansas

NWS Hastings, NE issued this heat advisory at Aug 8, 2021, 2:09 PM CDT for 16 counties in Nebraska; 4 counties in Kansas. It took effect at Aug 9, 2021, 12:00 PM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Aug 8, 2021, 2:09 PM CDT (19:09 UTC)
In effect from: Aug 9, 2021, 12:00 PM CDT
Expired: Aug 10, 2021, 9:00 PM CDT
In force: 33 hr
Issued by: NWS Hastings, NE

Counties Jewell County, KS, Mitchell County, KS, Osborne County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Polk County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 22 km from the middle of the area, began a volume at 19:09 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

Omaha, NE (KOAX), launched 12:00Z, 7.2 hours before the alert went out and 185 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1480 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Hastings, NE wrote its last area forecast discussion before this heat advisory went out at Aug 8, 12:53 PM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, Aug 8, 12:53 PM CDT, 1 hour 16 minutes before

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Hazardous weather outlook, Aug 8, 10:30 AM CDT, 3 hours 39 minutes before

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In the hours before

Local storm report, Aug 8, 8:50 AM CDT, 5 hours 19 minutes before

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Local storm report, Aug 8, 9:10 AM CDT, 4 hours 59 minutes before

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Local storm report, Aug 8, 9:12 AM CDT, 4 hours 57 minutes before

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Local storm report, Aug 8, 9:45 AM CDT, 4 hours 24 minutes before

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Local storm report, Aug 8, 9:47 AM CDT, 4 hours 22 minutes before

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Local storm report, Aug 8, 10:00 AM CDT, 4 hours 9 minutes before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 7, 7:25 PM CDT	Special Weather Statement	GID	Polk	35 min
Aug 7, 7:28 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	32 min
Aug 7, 7:37 PM CDT	Special Weather Statement	GID	Webster	23 min
Aug 7, 7:46 PM CDT	Severe Thunderstorm Warning	GID	Polk	29 min
Aug 7, 7:54 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, Hamilton, York	51 min
Aug 7, 7:59 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hall, Hamilton, Kearney, Merrick	31 min
Aug 7, 8:10 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Merrick, Nance, Polk, York	50 min
Aug 7, 8:20 PM CDT	Special Weather Statement	GID	Franklin	25 min
Aug 7, 8:23 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Harlan, Webster	52 min
Aug 7, 8:24 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Hall, Hamilton	29 min
Aug 7, 8:46 PM CDT	Severe Thunderstorm Warning	GID	Adams, Buffalo, Hall, Kearney	44 min
Aug 7, 8:57 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	33 min
Aug 7, 9:03 PM CDT	Severe Thunderstorm Warning	GID	Thayer	42 min
Aug 7, 9:27 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Howard, Merrick	33 min
Aug 7, 9:30 PM CDT	Areal Flood Advisory	GID	Hall, Hamilton, Merrick, Polk, York	9 hr
Aug 7, 9:30 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance, Polk	30 min
Aug 7, 9:44 PM CDT	Flash Flood Warning	GID	Polk	6 hr
Aug 7, 9:55 PM CDT	Severe Thunderstorm Warning	GID	Hall, Howard, Merrick	17 min
Aug 7, 10:03 PM CDT	Special Weather Statement	GID	Polk	27 min
Aug 8, 1:24 AM CDT	Special Weather Statement	GID	Webster	36 min
Aug 8, 1:32 AM CDT	Severe Thunderstorm Warning	GID	Webster	28 min
Aug 8, 2:05 AM CDT	Special Weather Statement	GID	Adams, Webster	25 min
Aug 8, 2:37 AM CDT	Special Weather Statement	GID	Hall	23 min
Aug 8, 3:04 AM CDT	Special Weather Statement	GID	Hall	26 min
Aug 8, 3:36 AM CDT	Areal Flood Warning	GID	Polk	7 hr
Aug 7, 7:14 PM CDT	Severe Thunderstorm Warning	GID	Jewell, Mitchell, Osborne, Smith	46 min
Aug 7, 7:48 PM CDT	Special Weather Statement	GID	Jewell	27 min
Aug 7, 7:51 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Phillips, Smith	39 min
Aug 7, 8:03 PM CDT	Severe Thunderstorm Warning	GID	Jewell	42 min

Nearby

Heat Advisories in Nebraska, 2021 Heat Advisories in Kansas, 2021 Every heat advisory in 2021

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.