Alert archive / Missouri / Heat Advisories in 2011
Heat Advisory 1, NWS Springfield, MO
NWS Springfield, MO issued this heat advisory at Jun 30, 2011, 3:58 AM CDT for 29 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Jun 30, 2011, 12:00 PM CDT. It was in force for 55 hr.
The area
The counties it named.
The facts
- Issued
- Jun 30, 2011, 3:58 AM CDT (08:58 UTC)
- In effect from
- Jun 30, 2011, 12:00 PM CDT
- Expired
- Jul 2, 2011, 7:00 PM CDT
- In force
- 55 hr
- Issued by
- NWS Springfield, MO
All 32 counties
Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 31 km from the middle of the area, began a volume at 09:00 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
Lamont, OK (KLMN), launched 00:00Z, 9.0 hours before the alert went out and 381 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
- 1740 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 2597 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 Jun 30, 3:43 AM CDT, 15 minutes earlier.
Area forecast discussion, Jun 30, 3:43 AM CDT, 15 minutes before
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</html>Hazardous weather outlook, Jun 29, 8:00 PM CDT, 7 hours 58 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.