Alert archive / Iowa / Heat Advisories in 2014
Heat Advisory 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this heat advisory at Aug 24, 2014, 3:38 AM CDT for 4 counties in Iowa; 4 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Aug 24, 2014, 12:00 PM CDT. It was in force for 32 hr.
The area
The counties it named.
The facts
- Issued
- Aug 24, 2014, 3:38 AM CDT (08:38 UTC)
- In effect from
- Aug 24, 2014, 12:00 PM CDT
- Expired
- Aug 25, 2014, 7:52 PM CDT
- In force
- 32 hr
- Issued by
- NWS Quad Cities, IA
Counties Des Moines County, IA, Henry County, IA, Lee County, IA, Van Buren County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Warren County, IL, Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 123 km from the middle of the area, began a volume at 08:35 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
Lincoln, IL (KILX), launched 00:00Z, 8.6 hours before the alert went out and 239 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
- 2124 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.1
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 Quad Cities, IA wrote its last area forecast discussion before this heat advisory went out at Aug 24, 3:32 AM CDT, 6 minutes earlier.
Area forecast discussion, Aug 24, 3:32 AM CDT, 6 minutes before
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</html>The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 4:39 AM CDT | Special Weather Statement | DVN | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 2 more | 3 hr |
| Aug 24, 5:02 AM CDT | Dense Fog Advisory | DVN | Des Moines, Henry, Iowa, Jefferson, Keokuk, Lee and 3 more | 4 hr |
| Aug 24, 6:37 AM CDT | Special Weather Statement | DVN | Benton, Cedar, Des Moines, Henry, Iowa, Jefferson and 8 more | 113 min |
| Aug 24, 3:50 PM CDT | Heat Advisory | DVN | Louisa, Muscatine, Scott | 28 hr |
Nearby
Heat Advisories in Iowa, 2014Heat Advisories in Illinois, 2014Heat Advisories in Missouri, 2014Every heat advisory in 2014
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.