Alert archive / Missouri / Heat Advisories in 2011
Heat Advisory 4, NWS Springfield, MO
NWS Springfield, MO issued this heat advisory at Aug 2, 2011, 4:53 PM CDT for 19 counties in Missouri; Cherokee County, Kansas. It took effect at Aug 3, 2011, 7:00 PM CDT. It was in force for 5 days.
The area
The counties it named.
The facts
- Issued
- Aug 2, 2011, 4:53 PM CDT (21:53 UTC)
- In effect from
- Aug 3, 2011, 7:00 PM CDT
- Expired
- Aug 8, 2011, 10:42 AM CDT
- In force
- 5 days
- Issued by
- NWS Springfield, MO
Counties Cherokee County, KS, Barry County, MO, Camden County, MO, Dent County, MO, Douglas County, MO, Howell County, MO, Jasper County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Pulaski County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO
The radar
The Springfield radar (KSGF), 56 km from the middle of the area, began a volume at 21:56 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
Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 101 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
- 2878 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1556 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.3
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 Springfield, MO wrote its last area forecast discussion before this heat advisory went out at Aug 2, 2:53 PM CDT, 2 hours earlier.
Area forecast discussion, Aug 2, 2:53 PM CDT, 2 hours before
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</html>Hazardous weather outlook, Aug 2, 3:42 PM CDT, 1 hour 11 minutes before
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</html>Nearby
Heat Advisories in Missouri, 2011Heat Advisories in Kansas, 2011Every heat advisory in 2011
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.