Alert archive / Kentucky / Red Flag Warnings in 2012

Red Flag Warning 4, NWS Paducah, KY

April 10, 20129 counties in Kentucky; 6 counties in Indiana; Wabash County, Illinois

NWS Paducah, KY issued this red flag warning at Apr 10, 2012, 4:14 AM CDT for 9 counties in Kentucky; 6 counties in Indiana; Wabash County, Illinois. It took effect at Apr 10, 2012, 12:00 PM CDT. It was in force for 7 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 10, 2012, 4:14 AM CDT (09:14 UTC)
In effect from: Apr 10, 2012, 12:00 PM CDT
Expired: Apr 10, 2012, 7:00 PM CDT
In force: 7 hr
Issued by: NWS Paducah, KY

Counties Wabash County, IL, Gibson County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Christian County, KY, Daviess County, KY, Henderson County, KY, Hopkins County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Union County, KY, Webster County, KY

The radar

The Evansville,IN radar (KVWX), 63 km from the middle of the area, began a volume at 09:16 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, 9.2 hours before the alert went out and 194 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: 3212 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

731 
WWUS83 KPAH 100915
RFWPAH

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PADUCAH KY
414 AM CDT TUE APR 10 2012

ILZ078-INZ081-082-085>088-KYZ014>022-110000-
/O.NEW.KPAH.FW.W.0004.120410T1700Z-120411T0000Z/
WABASH-GIBSON-PIKE-POSEY-VANDERBURGH-WARRICK-SPENCER-UNION KY-
WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-MUHLENBERG-
TODD-
414 AM CDT TUE APR 10 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING.

* AFFECTED AREA...SOUTHWEST INDIANA...EXTREME SOUTHEAST
  ILLINOIS...AND WEST CENTRAL KENTUCKY...INCLUDING FORT CAMPBELL.

* WINDS...NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH.

* TIMING...NOON UNTIL 7 PM TODAY.

* RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL BE IN THE UPPER
  TEENS TO THE LOWER 20S PERCENT RANGE.

* TEMPERATURES...AVERAGING IN THE MIDDLE 60S.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 3:01 PM CDT	Freeze Watch	PAH	Daviess, Henderson, Union	12 hr
Apr 10, 3:01 PM CDT	Freeze Warning	PAH	Gibson, Pike	17 hr

Nearby

Red Flag Warnings in Kentucky, 2012 Red Flag Warnings in Indiana, 2012 Red Flag Warnings in Illinois, 2012 Every red flag warning in 2012

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.