Alert archive / Missouri / Fire Weather Watches in 2011
Fire Weather Watch 1, NWS St. Louis, MO
NWS St. Louis, MO issued this fire weather watch at Oct 14, 2011, 4:05 PM CDT for 8 counties in Missouri; Randolph County, Illinois. It took effect at Oct 16, 2011, 11:00 AM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 14, 2011, 4:05 PM CDT (21:05 UTC)
- In effect from
- Oct 16, 2011, 11:00 AM CDT
- Expired
- Oct 16, 2011, 4:00 AM CDT
- In force
- Issued by
- NWS St. Louis, MO
Counties Randolph County, IL, Crawford County, MO, Dent County, MO, Iron County, MO, Madison County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 107 km from the middle of the area, began a volume at 21:07 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
Little Rock, AR (KLZK), launched 12:00Z, 9.1 hours before the alert went out and 330 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2980 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -67 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Fire Weather Watches in Missouri, 2011Fire Weather Watches in Illinois, 2011Every fire weather watch 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.