Alert archive / Nebraska / Heat Advisories in 2013
Heat Advisory 2, NWS North Platte, NE
NWS North Platte, NE issued this heat advisory at Jul 13, 2013, 3:30 AM CDT for 18 counties in Nebraska. It took effect at Jul 13, 2013, 12:00 PM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jul 13, 2013, 3:30 AM CDT (08:30 UTC)
- In effect from
- Jul 13, 2013, 12:00 PM CDT
- Expired
- Jul 13, 2013, 9:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS North Platte, NE
Counties Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Frontier County, NE, Garfield County, NE, Hayes County, NE, Holt County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Perkins County, NE, Rock County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 48 km from the middle of the area, began a volume at 08:31 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
Denver, CO (KDNR), launched 00:00Z, 8.5 hours before the alert went out and 340 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.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -218 J/kg
- Mixed-layer LCL
- 2153 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.9
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 North Platte, NE wrote its last area forecast discussion before this heat advisory went out at Jul 13, 12:43 AM CDT, 2 hours 47 minutes earlier.
Area forecast discussion, Jul 13, 12:43 AM CDT, 2 hours 47 minutes before
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</html>Hazardous weather outlook, Jul 12, 11:42 PM CDT, 3 hours 48 minutes before
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Special weather statement, Jul 12, 9:45 PM CDT, 5 hours 45 minutes before
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</html>Special weather statement, Jul 12, 10:30 PM CDT, 5 hours before
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</html>Nearby
Heat Advisories in Nebraska, 2013Every heat advisory in 2013
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.