Alert archive / Kentucky / Red Flag Warnings in 2018
Red Flag Warning 2, NWS Louisville, KY
NWS Louisville, KY issued this red flag warning at Apr 12, 2018, 8:50 AM CDT for 34 counties in Kentucky; 7 counties in Indiana. It took effect at Apr 12, 2018, 11:00 AM CDT. It was in force for 8 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 12, 2018, 8:50 AM CDT (13:50 UTC)
- In effect from
- Apr 12, 2018, 11:00 AM CDT
- Expired
- Apr 12, 2018, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Louisville, KY
All 41 counties
Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Orange County, IN, Perry County, IN, Washington County, IN, Adair County, KY, Allen County, KY, Barren County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Jefferson County, KY, Larue County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Marion County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Ohio County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Warren County, KY, Washington County, KY
The radar
The Louisville radar (KLVX), 50 km from the middle of the area, began a volume at 13:56 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 12:00Z, 1.8 hours before the alert went out and 171 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
- 2074 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
551 WWUS83 KLMK 121350 RFWLMK URGENT - FIRE WEATHER MESSAGE National Weather Service Louisville KY 950 AM EDT Thu Apr 12 2018 ...Red Flag Warning This Afternoon Through Early Evening... ..The combination of gusty southwest winds, low relative humidity, and dry small fuels will lead to critical fire weather conditions this afternoon through the early evening hours. Outdoor burning is not recommended. KYZ078-081-082-130000- /O.NEW.KLMK.FW.W.0001.180412T1350Z-180412T1500Z/ /O.NEW.KLMK.FW.W.0002.180412T1600Z-180413T0000Z/ Russell-Cumberland-Clinton- 850 AM CDT Thu Apr 12 2018 ...RED FLAG WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 078, 081, AND 082... ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 078, 081, AND 082... The National Weather Service in Louisville has issued a Red Flag Warning, which is in effect until 10 AM CDT this morning. a Red Flag Warning has also been issued until 7 PM CDT this evening. * AFFECTED AREA...Fire weather zones 078, 081, and 082. * WIND...Southwest winds will increase to between 15 to 25 mph, with gusts between 30 and 40 mph at times. * HUMIDITY...Relative humidities will bottom out around 25 percent for several hours this afternoon and early evening. * 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 warm temperatures can contribute to extreme fire behavior. && $$ BJS
2 follow-up statements
379 WWUS83 KLMK 121740 RFWLMK URGENT - FIRE WEATHER MESSAGE National Weather Service Louisville KY 140 PM EDT Thu Apr 12 2018 ...Red Flag Warning This Afternoon Through Early Evening... ..The combination of gusty southwest winds, low relative humidity, and dry small fuels is leading to critical fire weather conditions this afternoon through the early evening hours. A few small wildfires have been noted across southern Indiana. Outdoor burning is not recommended. INZ076-077-083-084-089>091-KYZ023>030-045>047-053>057-061>067- 070>077-130000- /O.EXA.KLMK.FW.W.0002.000000T0000Z-180413T0000Z/ Orange-Washington-Dubois-Crawford-Perry-Harrison-Floyd-Hancock- Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-Jefferson-Nelson- Mercer-Larue-Marion-Boyle-Garrard-Madison-Butler-Edmonson-Hart- Green-Taylor-Casey-Lincoln-Logan-Warren-Simpson-Allen-Barren- Monroe-Metcalfe-Adair- 140 PM EDT Thu Apr 12 2018 /1240 PM CDT Thu Apr 12 2018/ ...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... The National Weather Service in Louisville has issued a Red Flag Warning, which is in effect until 8 PM EDT /7 PM CDT/ this evening. * WIND...Southwest winds will increase to between 15 to 25 mph, with gusts between 30 and 40 mph at times. * HUMIDITY...Relative humidities will bottom out around 23 to 30 percent for several hours this afternoon and early evening. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ KYZ078-081-082-130000- /O.CON.KLMK.FW.W.0002.000000T0000Z-180413T0000Z/ Russell-Cumberland-Clinton- 1240 PM CDT Thu Apr 12 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... * WIND...Southwest winds will increase to between 15 to 25 mph, with gusts between 30 and 40 mph at times. * HUMIDITY...Relative humidities will bottom out around 25 percent for several hours this afternoon and early evening. * 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 warm temperatures can contribute to extreme fire behavior. && $$ BJS
499 WWUS83 KLMK 122359 RFWLMK URGENT - FIRE WEATHER MESSAGE National Weather Service Louisville KY 759 PM EDT Thu Apr 12 2018 ...Red Flag Warning To Expire at 8 PM EDT... .A decrease in wind gusts and increase in relative humidity has ended red flag conditions across the area. INZ076-077-083-084-089>091-KYZ023>030-045>047-053>057-061>067- 070>078-081-082-130100- /O.EXP.KLMK.FW.W.0002.000000T0000Z-180413T0000Z/ Orange-Washington-Dubois-Crawford-Perry-Harrison-Floyd-Hancock- Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-Jefferson-Nelson- Mercer-Larue-Marion-Boyle-Garrard-Madison-Butler-Edmonson-Hart- Green-Taylor-Casey-Lincoln-Logan-Warren-Simpson-Allen-Barren- Monroe-Metcalfe-Adair-Russell-Cumberland-Clinton- 759 PM EDT Thu Apr 12 2018 /659 PM CDT Thu Apr 12 2018/ ...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT /7 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY... A decrease in wind gusts and increase in relative humidity has ended red flag conditions across the area. $$ ZT
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 2:21 AM CDT | Wind Advisory | LMK | Anderson, Bourbon, Breckinridge, Bullitt, Clark, Fayette and 18 more | 15 hr |
| Apr 12, 8:50 AM CDT | Red Flag Warning | LMK | Clinton, Cumberland, Russell | 70 min |
Nearby
Red Flag Warnings in Kentucky, 2018Red Flag Warnings in Indiana, 2018Every red flag warning in 2018
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.