Alert archive / Kentucky / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Jackson, KY
NWS Jackson, KY issued this red flag warning at Apr 18, 2011, 3:48 AM EDT for 30 counties in Kentucky. It took effect at Apr 18, 2011, 1:00 PM EDT. It was in force for 5 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 18, 2011, 3:48 AM EDT (07:48 UTC)
- In effect from
- Apr 18, 2011, 1:00 PM EDT
- Expired
- Apr 18, 2011, 6:19 PM EDT
- In force
- 5 hr
- Issued by
- NWS Jackson, KY
All 30 counties
Bell County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill 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, 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), 29 km from the middle of the area, began a volume at 07:48 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, 7.8 hours before the alert went out and 226 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1938 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
733 WWUS83 KJKL 180748 RFWJKL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSON KY 348 AM EDT MON APR 18 2011 KYZ052-058>060-068-069-079-080-083>088-104-106>120-181700- /O.NEW.KJKL.FW.W.0003.110418T1700Z-110419T0000Z/ 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- 348 AM EDT MON APR 18 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING. * SOUTHWEST WINDS WILL INCREASE TO AROUND 15 MPH AT TIMES DURING THE AFTERNOON HOURS...WITH GUSTS UP TO 25 MPH. * AFTERNOON RELATIVE HUMIDITY WILL FALL TO BETWEEN 18 AND 25 PERCENT. * ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. REMEMBER...DURING THE SPRING 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. && $$ ABE
3 follow-up statements
002 WWUS83 KJKL 181527 AAA RFWJKL URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE JACKSON KY 1127 AM EDT MON APR 18 2011 KYZ052-058>060-068-069-079-080-083>088-104-106>120-182330- /O.CON.KJKL.FW.W.0003.110418T1700Z-110419T0000Z/ ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-JACKSON-PULASKI-LAUREL- WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-ELLIOTT-MORGAN-JOHNSON- WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-OWSLEY-PERRY-CLAY-LESLIE- LETCHER-MARTIN-PIKE- 1127 AM EDT MON APR 18 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... * SOUTHWEST WINDS WILL INCREASE TO AROUND 15 MPH AT TIMES THIS AFTERNOON OR EARLY EVENING...WITH FREQUENT GUSTS TO 25 TO 30 MPH ANTICIPATED. * RELATIVE HUMIDITY WILL BOTTOM OUT BETWEEN 18 AND 25 PERCENT. * ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. REMEMBER...DURING THE SPRING FIRE SEASON IN KENTUCKY IT IS ILLEGAL TO BURN BETWEEN THE HOURS OF 6 AM AND 6 PM IN OR WITHIN 150 FEET OF ANY WOODLAND OR BRUSHLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ ABE/JP
579 WWUS83 KJKL 181946 AAB RFWJKL URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE JACKSON KY 346 PM EDT MON APR 18 2011 KYZ052-058>060-068-069-079-080-083>088-104-106>120-190000- /O.CON.KJKL.FW.W.0003.000000T0000Z-110419T0000Z/ 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- 346 PM EDT MON APR 18 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... * SOUTHWEST WINDS WILL REMAIN AROUND 15 MPH THROUGH EARLY THIS EVENING...ESPECIALLY ON THE RIDGETOPS. GUSTS TO 25 MPH ARE ANTICIPATED. * RELATIVE HUMIDITY WILL REMAIN BETWEEN 18 AND 25 PERCENT THROUGH EARLY THIS EVENING. * ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. REMEMBER...DURING THE SPRING 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. && $$ JP
482 WWUS83 KJKL 182219 RFWJKL URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE JACKSON KY 619 PM EDT MON APR 18 2011 KYZ052-058>060-068-069-079-080-083>088-104-106>120-182330- /O.CAN.KJKL.FW.W.0003.000000T0000Z-110419T0000Z/ ROWAN-ESTILL-POWELL-MENIFEE-ROCKCASTLE-JACKSON-PULASKI-LAUREL- WAYNE-MCCREARY-WHITLEY-KNOX-BELL-HARLAN-ELLIOTT-MORGAN-JOHNSON- WOLFE-MAGOFFIN-FLOYD-LEE-BREATHITT-KNOTT-OWSLEY-PERRY-CLAY-LESLIE- LETCHER-MARTIN-PIKE- 619 PM EDT MON APR 18 2011 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 052...058...059...060...068...069...079...080... 083...084...085...086...087...088...104...106...107...108...109... 110...111...112...113...114...115...116...117...118...119 AND 120... THE NATIONAL WEATHER SERVICE IN JACKSON HAS CANCELLED THE RED FLAG WARNING. ALTHOUGH RELATIVE HUMIDITIES REMAIN VERY LOW IN SEVERAL AREAS THIS EVENING...WINDS HAVE WEAKENED CONSIDERABLY. THESE WEAKER WINDS HAVE ALLOWED THE RED FLAG WARNING TO BE CANCELLED. RELATIVE HUMIDITIES WILL BEGIN RISING OVERNIGHT AS TEMPERATURES BEGIN TO FALL AND DEWPOINTS BEGIN TO INCREASE AS MOISTURE INCREASES. $$ KAS
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 11:19 PM EDT | River Flood Advisory | JKL | Knox | 16 hr |
| Apr 18, 8:47 AM EDT | River Flood Advisory | JKL | Estill | 28 hr |
| Apr 18, 6:30 PM EDT | River Flood Advisory | JKL | Whitley | 28 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.