Alert archive / Missouri / Red Flag Warnings in 2010

Red Flag Warning 7, NWS Paducah, KY

October 27, 20109 counties in Illinois; 13 counties in Missouri

NWS Paducah, KY issued this red flag warning at Oct 27, 2010, 4:29 AM CDT for 9 counties in Illinois; 13 counties in Missouri. It took effect at Oct 27, 2010, 11:00 AM 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: Oct 27, 2010, 4:29 AM CDT (09:29 UTC)
In effect from: Oct 27, 2010, 11:00 AM CDT
Expired: Oct 27, 2010, 5:00 PM CDT
In force: 6 hr
Issued by: NWS Paducah, KY

All 22 counties

Alexander County, IL, Franklin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Perry County, IL, Pulaski County, IL, Union County, IL, Williamson County, IL, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Perry County, MO, Ripley County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Wayne County, MO

The radar

The Paducah radar (KPAH), 94 km from the middle of the area, began a volume at 09:29 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

Nashville Metro, TN (KBNA), launched 00:00Z, 9.5 hours before the alert went out and 313 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2220 m above ground
0-6 km bulk shear: 84 kt
0-1 km storm-relative helicity: -237 m²/s²
0-3 km storm-relative helicity: -52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Oct 26, 6:07 PM CDT, 10 hours 22 minutes earlier.

Area forecast discussion, Oct 26, 6:07 PM CDT, 10 hours 22 minutes before

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Hazardous weather outlook, Oct 26, 3:17 PM CDT, 13 hours 12 minutes before

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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 26, 7:21 PM CDT	Fire Weather Watch	PAH	Alexander, Franklin, Jackson, Jefferson, Johnson, Perry and 3 more	9 hr
Oct 27, 11:59 AM CDT	Freeze Watch	PAH	Franklin, Hamilton, Jackson, Jefferson, Perry, Union and 2 more	15 hr

Nearby

Red Flag Warnings in Missouri, 2010 Red Flag Warnings in Illinois, 2010 Every red flag warning in 2010

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.