Alert archive / Missouri / Red Flag Warnings in 2009
Red Flag Warning 3, NWS Paducah, KY
NWS Paducah, KY issued this red flag warning at Apr 21, 2009, 9:54 AM CDT for 16 counties in Missouri. It took effect at Apr 21, 2009, 1:00 PM CDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2009, 9:54 AM CDT (14:54 UTC)
- In effect from
- Apr 21, 2009, 1:00 PM CDT
- Expired
- Apr 21, 2009, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Paducah, KY
Counties Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Perry County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Wayne County, MO
The radar
The Paducah radar (KPAH), 134 km from the middle of the area, began a volume at 14:52 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, 2.9 hours before the alert went out and 314 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
- 2026 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Paducah, KY wrote its last area forecast discussion before this red flag warning went out at Apr 21, 3:38 AM CDT, 6 hours 16 minutes earlier.
Area forecast discussion, Apr 21, 3:38 AM CDT, 6 hours 16 minutes before
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</html>Hazardous weather outlook, Apr 21, 4:53 AM CDT, 5 hours 1 minute before
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</html>Nearby
Red Flag Warnings in Missouri, 2009Every red flag warning in 2009
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.