Alert archive / Missouri / Red Flag Warnings in 2017
Red Flag Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this red flag warning at Feb 16, 2017, 3:37 AM CST for 24 counties in Missouri; Adams County, Calhoun County, Pike County, Illinois. It took effect at Feb 16, 2017, 11:00 AM CST. 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
- Feb 16, 2017, 3:37 AM CST (09:37 UTC)
- In effect from
- Feb 16, 2017, 11:00 AM CST
- Expired
- Feb 16, 2017, 6:00 PM CST
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
All 27 counties
Adams County, IL, Calhoun County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 72 km from the middle of the area, began a volume at 09:39 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
Lincoln, IL (KILX), launched 00:00Z, 9.6 hours before the alert went out and 272 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
- 2013 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
126 WWUS83 KLSX 160937 RFWLSX URGENT - FIRE WEATHER MESSAGE National Weather Service Saint Louis MO 337 AM CST Thu Feb 16 2017 MOZ041-042-047>052-059-060-062-170000- /O.UPG.KLSX.FW.A.0001.170216T1600Z-170217T0000Z/ /O.NEW.KLSX.FW.W.0001.170216T1700Z-170217T0000Z/ Audrain MO-Boone MO-Callaway MO-Cole MO-Franklin MO-Gasconade MO- Lincoln MO-Moniteau MO-Montgomery MO-Osage MO-Warren MO- 337 AM CST Thu Feb 16 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST THIS EVENING FOR A GUSTY SOUTHWEST WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL AND EAST CENTRAL MISSOURI... The National Weather Service in Saint Louis has issued a Red Flag Warning for wind and low relative humidity...which is in effect from 11 AM this morning to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Missouri...Fire Weather Zones 041...042... 047...048...049...050...051...052...059...060 and 062. * 20 FOOT WINDS...Southwest wind 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 20 percent. * 10 HOUR FUELS...Less than 9 percent. * IMPACTS...The combination of low humidity, dry fuels, and gusty winds are conducive for the rapid spread and growth of uncontrolled wildfires. 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 fuels can contribute to extreme fire behavior. && $$ MOZ034-170000- /O.NEW.KLSX.FW.W.0001.170216T1700Z-170217T0000Z/ Monroe MO- 337 AM CST Thu Feb 16 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL MISSOURI... The National Weather Service in Saint Louis has issued a Red Flag Warning for wind and low relative humidity...which is in effect from 11 AM this morning to 6 PM CST this evening. * AFFECTED AREA...In Missouri...Fire Weather Zone 034. * 20 FOOT WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 23 percent. * 10 HOUR FUELS...Less than 9 percent. * IMPACTS...The combination of low humidity, dry fuels, and gusty winds are conducive for the rapid spread and growth of uncontrolled wildfires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and dry fuels can contribute to extreme fire behavior. && $$ Britt
2 follow-up statements
069 WWUS83 KLSX 162002 RFWLSX URGENT - FIRE WEATHER MESSAGE National Weather Service Saint Louis MO 202 PM CST Thu Feb 16 2017 ILZ095-097-098-MOZ018-019-026-027-035-036-061-063>065-072-073- 170000- /O.EXA.KLSX.FW.W.0001.000000T0000Z-170217T0000Z/ Adams IL-Calhoun IL-Crawford MO-Jefferson MO-Knox MO-Lewis MO- Marion MO-Pike IL-Pike MO-Ralls MO-Saint Charles MO- Saint Louis City MO-Saint Louis MO-Shelby MO-Washington MO- 202 PM CST Thu Feb 16 2017 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MOST OF EASTERN MISSOURI AND PARTS OF WEST CENTRAL ILLINOIS... The National Weather Service in Saint Louis has issued a Red Flag Warning for wind and low relative humidity...which is in effect until 6 PM CST this evening. * AFFECTED AREA...In Illinois...Fire Weather Zones 095...097 and 098. In Missouri...Fire Weather Zones 018...019...026...027... 035...036...061...063...064...065...072 and 073. * 20 FOOT WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent. * 10 HOUR FUELS...less than 9 percent. * IMPACTS...these conditions are conducive for the rapid spread and growth of uncontrolled wildfires. 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 fuels can contribute to extreme fire behavior. 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 fuels can contribute to extreme fire behavior. && $$ MOZ034-041-042-047>052-059-060-062-170000- /O.CON.KLSX.FW.W.0001.000000T0000Z-170217T0000Z/ Audrain MO-Boone MO-Callaway MO-Cole MO-Franklin MO-Gasconade MO- Lincoln MO-Moniteau MO-Monroe MO-Montgomery MO-Osage MO-Warren MO- 202 PM CST Thu Feb 16 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL AND EASTERN MISSOURI... * AFFECTED AREA...In Missouri...Fire Weather Zones 034...041... 042...047...048...049...050...051...052...059...060 and 062. * 20 FOOT WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent. * 10 HOUR FUELS...less than 9 percent. * IMPACTS...these conditions are conducive for the rapid spread and growth of uncontrolled wildfires. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now... or will shortly. A combination of strong winds... low relative humidity... and dry fuels can contribute to extreme fire behavior. && $$ Glass
642 WWUS83 KLSX 162353 RFWLSX URGENT - FIRE WEATHER MESSAGE National Weather Service Saint Louis MO 553 PM CST Thu Feb 16 2017 ILZ095-097-098-MOZ018-019-026-027-034>036-041-042-047>052-059>065- 072-073-170100- /O.EXP.KLSX.FW.W.0001.000000T0000Z-170217T0000Z/ Adams IL-Audrain MO-Boone MO-Calhoun IL-Callaway MO-Cole MO- Crawford MO-Franklin MO-Gasconade MO-Jefferson MO-Knox MO- Lewis MO-Lincoln MO-Marion MO-Moniteau MO-Monroe MO-Montgomery MO- Osage MO-Pike IL-Pike MO-Ralls MO-Saint Charles MO- Saint Louis City MO-Saint Louis MO-Shelby MO-Warren MO- Washington MO- 553 PM CST Thu Feb 16 2017 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR much of central and eastern missouri and a part of western illinois... Dangerous wind and humidity conditions for fires will no longer exist after 6 pm, with a steady gradual diminishing of winds and rise of humidity during the evening hours. $$ TES
Nearby
Red Flag Warnings in Missouri, 2017Red Flag Warnings in Illinois, 2017Every red flag warning in 2017
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.