Alert archive / Kentucky / Red Flag Warnings in 2011

Red Flag Warning 4, NWS Jackson, KY

October 16, 201133 counties in Kentucky

NWS Jackson, KY issued this red flag warning at Oct 16, 2011, 1:58 AM EDT for 33 counties in Kentucky. It took effect at Oct 16, 2011, 12:00 PM EDT. 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
Oct 16, 2011, 1:58 AM EDT (05:58 UTC)
In effect from
Oct 16, 2011, 12:00 PM EDT
Expired
Oct 16, 2011, 6:46 PM EDT
In force
7 hr
Issued by
NWS Jackson, KY
All 33 counties

Bath County, KY, Bell County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 26 km from the middle of the area, began a volume at 06:03 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.0 hours before the alert went out and 218 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2011-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
2275 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
300 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.

875 
WWUS83 KJKL 160558
RFWJKL

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON KY
158 AM EDT SUN OCT 16 2011

.AN APPROACHING COLD FRONT WILL TIGHTEN UP THE PRESSURE GRADIENT
ACROSS THE AREA THIS AFTERNOON...LEADING TO STRONG AND GUSTY WINDS.
WARM TEMPERATURES APPROACHING 80 DEGREES WILL ALLOW FOR LOW RELATIVE
HUMIDITIES AS WELL.

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-161615-
/O.UPG.KJKL.FW.A.0001.111016T1600Z-111016T2300Z/
/O.NEW.KJKL.FW.W.0004.111016T1600Z-111016T2300Z/
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-
ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-
OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE-
158 AM EDT SUN OCT 16 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN
KENTUCKY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A RED FLAG
WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. THE FIRE WEATHER
WATCH IS NO LONGER IN EFFECT.

* SOUTHWEST WINDS OF 10 TO 20 MPH WITH GUSTS BETWEEN 35 AND 40 MPH
  ARE EXPECTED THIS AFTERNOON.

* RELATIVE HUMIDITIES WILL BOTTOM OUT AROUND 25 PERCENT THIS
  AFTERNOON. 

* THIS WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS AND ANY FIRES
  THAT DEVELOP WILL SPREAD RAPIDLY. REMEMBER...DURING THE FALL FIRE
  SEASON IN KENTUCKY IT IS ILLEGAL TO BURN BETWEEN THE HOURS OF 6 AM
  AND 6 PM IN OR WITHIN 150 FEET OF ANY WOODLAND OR BRUSHLAND.

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

GEOGERIAN
3 follow-up statements
807 
WWUS83 KJKL 161550 AAA
RFWJKL

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
1150 AM EDT SUN OCT 16 2011

.AN APPROACHING COLD FRONT WILL TIGHTEN UP THE PRESSURE GRADIENT
ACROSS THE AREA THIS AFTERNOON...LEADING TO STRONG AND GUSTY
WINDS. TEMPERATURES APPROACHING 80 DEGREES WILL ALLOW FOR A PERIOD OF
LOW RELATIVE HUMIDITIES...AS WELL.

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-162300-
/O.CON.KJKL.FW.W.0004.111016T1600Z-111016T2300Z/
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-
ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-
OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE-
1150 AM EDT SUN OCT 16 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN KENTUCKY...

* SOUTHWEST WINDS OF 10 TO 20 MPH WITH GUSTS BETWEEN 35 AND 40 
  MPH ARE EXPECTED THIS AFTERNOON. 

* RELATIVE HUMIDITIES WILL BOTTOM OUT AROUND 25 PERCENT THIS 
  AFTERNOON. 

* THIS WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS AND ANY 
  FIRES THAT DEVELOP WILL SPREAD RAPIDLY. REMEMBER...DURING THE 
  FALL FIRE SEASON IN KENTUCKY IT IS ILLEGAL TO BURN BETWEEN THE 
  HOURS OF 6 AM AND 6 PM IN OR WITHIN 150 FEET OF ANY WOODLAND 
  OR BRUSHLAND. 

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

GEOGERIAN/GREIF
271 
WWUS83 KJKL 162015 AAA
RFWJKL

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
415 PM EDT SUN OCT 16 2011

.AN APPROACHING COLD FRONT HAS TIGHTENED UP THE PRESSURE GRADIENT 
ACROSS THE AREA LATE THIS AFTERNOON...LEADING TO STRONG AND GUSTY
WINDS. TEMPERATURES UP AROUND 80 DEGREES WILL ALLOW FOR A PERIOD OF
LOW RELATIVE HUMIDITIES...AS WELL.

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-162300-
/O.CON.KJKL.FW.W.0004.000000T0000Z-111016T2300Z/
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-
ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-
OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE-
415 PM EDT SUN OCT 16 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN KENTUCKY...

* SOUTHWEST WINDS OF 10 TO 20 MPH WITH GUSTS UP TO 35 MPH ARE
  EXPECTED LATE THIS AFTERNOON.

* RELATIVE HUMIDITIES WILL BOTTOM OUT AROUND 25 PERCENT LATE THIS  
  AFTERNOON. 

* THIS WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS AND ANY 
  FIRES THAT DEVELOP WILL SPREAD RAPIDLY. REMEMBER...DURING THE 
  FALL FIRE SEASON IN KENTUCKY IT IS ILLEGAL TO BURN BETWEEN THE 
  HOURS OF 6 AM AND 6 PM IN OR WITHIN 150 FEET OF ANY WOODLAND 
  OR BRUSHLAND. 

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

GEOGERIAN/GREIF
857 
WWUS83 KJKL 162246 AAB
RFWJKL

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON KY
646 PM EDT SUN OCT 16 2011

...RED FLAG CONDITIONS NO LONGER OCCURRING...

.NOW THAT THE SUN IS GOING DOWN...RELATIVE HUMIDITIES ACROSS THE
MAJORITY OF EASTERN KENTUCKY HAVE RISEN ABOVE CRITICAL FIRE DANGER
THRESHOLDS. THE WINDS HAVE ALSO BEGUN TO DECREASE ACROSS THE AREA. 
THEREFORE...THE RED FLAG WARNING HAS BEEN CANCELLED.

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-170000-
/O.CAN.KJKL.FW.W.0004.000000T0000Z-111016T2300Z/
FLEMING-MONTGOMERY-BATH-ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-
JACKSON-PULASKI-LAUREL-WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-
ELLIOTT-MORGAN-JOHNSON-WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-
OWSLEY-PERRY-CLAY-LESLIE-LETCHER-MARTIN-PIKE-
646 PM EDT SUN OCT 16 2011

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY FOR EASTERN KENTUCKY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS CANCELLED THE RED
FLAG WARNING FOR EASTERN KENTUCKY. 

$$

AR

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 11:08 PM EDTFire Weather WatchJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more3 hr
Oct 16, 2:09 AM EDTLake Wind AdvisoryJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more17 hr

Nearby

Red Flag Warnings in Kentucky, 2011Every red flag warning 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.