Alert archive / Missouri / Red Flag Warnings in 2012
Red Flag Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this red flag warning at Mar 5, 2012, 2:00 PM CST for 17 counties in Illinois; 30 counties in Missouri. It took effect at Mar 6, 2012, 10:00 AM CST. It was in force for 10 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
- Mar 5, 2012, 2:00 PM CST (20:00 UTC)
- In effect from
- Mar 6, 2012, 10:00 AM CST
- Expired
- Mar 6, 2012, 8:00 PM CST
- In force
- 10 hr
- Issued by
- NWS St. Louis, MO
All 47 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 17 km from the middle of the area, began a volume at 20:01 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 12:00Z, 8.0 hours before the alert went out and 244 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
- 776 m above ground
- 0-6 km bulk shear
- 110 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
260 WWUS83 KLSX 052000 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 200 PM CST MON MAR 5 2012 ILZ058-059-079-095>102-MOZ018-019-026-027-034>036-041-042-047>052- 059>065-072>075-083>085-099-061200- /O.NEW.KLSX.FW.W.0003.120306T1600Z-120307T0200Z/ ADAMS IL-AUDRAIN MO-BOONE MO-BROWN IL-CALHOUN IL-CALLAWAY MO- COLE MO-CRAWFORD MO-DENT MO-FRANKLIN MO-GASCONADE MO-GREENE IL- IRON MO-JEFFERSON MO-JERSEY IL-KNOX MO-LEWIS MO-LINCOLN MO- MACOUPIN IL-MADISON IL-MADISON MO-MARION MO-MONITEAU MO-MONROE IL- MONROE MO-MONTGOMERY MO-OSAGE MO-PIKE IL-PIKE MO-RALLS MO- RANDOLPH IL-REYNOLDS MO-SHELBY MO-ST. CHARLES MO-ST. CLAIR IL- ST. FRANCOIS MO-ST. LOUIS CITY MO-ST. LOUIS MO-STE. GENEVIEVE MO- WARREN MO-WASHINGTON MO- 200 PM CST MON MAR 5 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM CST TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF CENTRAL AND EASTERN MISSOURI AS WELL AS PARTS OF SOUTHWESTERN ILLINOIS... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 10 AM TO 8 PM CST TUESDAY. * AFFECTED AREA...IN ILLINOIS...FIRE WEATHER ZONES 058...059... 079...095...096...097...098...099...100...101 AND 102. IN MISSOURI...FIRE WEATHER ZONES 018...019...026...027...034... 035... 036...041...042...047...048...049...050...051...052... 059...060... 061...062...063...064...065...072...073...074... 075...083...084... 085 AND 099. * 20FT WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * 10HR FUELS...7 TO 8 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 WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ TES
2 follow-up statements
502 WWUS83 KLSX 060956 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 356 AM CST TUE MAR 6 2012 ILZ060-064-065-069-070-074-070200- /O.EXA.KLSX.FW.W.0003.120306T1600Z-120307T0200Z/ BOND IL-CLINTON IL-FAYETTE IL-MARION IL-MONTGOMERY IL- WASHINGTON IL- 356 AM CST TUE MAR 6 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHWEST ILLINOIS... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CST THIS EVENING. * AFFECTED AREA...IN ILLINOIS...FIRE WEATHER ZONES 060...064... 065...069...070 AND 074. * 20FT WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 23 PERCENT. * 10HR FUELS...7 TO 8 PERCENT. * IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD AND GROWTH OF UNCONTROLLED WILDFIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ ILZ058-059-079-095>102-MOZ018-019-026-027-034>036-041-042-047>052- 059>065-072>075-083>085-099-070200- /O.CON.KLSX.FW.W.0003.120306T1600Z-120307T0200Z/ ADAMS IL-AUDRAIN MO-BOONE MO-BROWN IL-CALHOUN IL-CALLAWAY MO- COLE MO-CRAWFORD MO-DENT MO-FRANKLIN MO-GASCONADE MO-GREENE IL- IRON MO-JEFFERSON MO-JERSEY IL-KNOX MO-LEWIS MO-LINCOLN MO- MACOUPIN IL-MADISON IL-MADISON MO-MARION MO-MONITEAU MO-MONROE IL- MONROE MO-MONTGOMERY MO-OSAGE MO-PIKE IL-PIKE MO-RALLS MO- RANDOLPH IL-REYNOLDS MO-SHELBY MO-ST. CHARLES MO-ST. CLAIR IL- ST. FRANCOIS MO-ST. LOUIS CITY MO-ST. LOUIS MO-STE. GENEVIEVE MO- WARREN MO-WASHINGTON MO- 356 AM CST TUE MAR 6 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF CENTRAL AND EASTERN MISSOURI AS WELL AS WEST CENTRAL ILLINOIS... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CST THIS EVENING. * AFFECTED AREA...IN ILLINOIS...FIRE WEATHER ZONES 058...059... 079...095...096...097...098...099...100...101 AND 102. IN MISSOURI...FIRE WEATHER ZONES 018...019...026...027...034... 035... 036...041...042...047...048...049...050...051...052... 059...060... 061...062...063...064...065...072...073...074... 075...083...084... 085 AND 099. * 20FT WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 19 PERCENT. * 10HR FUELS...7 TO 8 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 WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ KANOFSKY
109 WWUS83 KLSX 070205 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 805 PM CST TUE MAR 6 2012 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-083>085-099-070315- /O.EXP.KLSX.FW.W.0003.000000T0000Z-120307T0200Z/ ADAMS IL-AUDRAIN MO-BOND IL-BOONE MO-BROWN IL-CALHOUN IL- CALLAWAY MO-CLINTON IL-COLE MO-CRAWFORD MO-DENT MO-FAYETTE IL- FRANKLIN MO-GASCONADE MO-GREENE IL-IRON MO-JEFFERSON MO-JERSEY IL- KNOX MO-LEWIS MO-LINCOLN MO-MACOUPIN IL-MADISON IL-MADISON MO- MARION IL-MARION MO-MONITEAU MO-MONROE IL-MONROE MO-MONTGOMERY IL- MONTGOMERY MO-OSAGE MO-PIKE IL-PIKE MO-RALLS MO-RANDOLPH IL- REYNOLDS MO-SHELBY MO-ST. CHARLES MO-ST. CLAIR IL-ST. FRANCOIS MO- ST. LOUIS CITY MO-ST. LOUIS MO-STE. GENEVIEVE MO-WARREN MO- WASHINGTON IL-WASHINGTON MO- 805 PM CST TUE MAR 6 2012 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL AND EASTERN MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWESTERN ILLINOIS... THE RED FLAG WARNING IS NO LONGER IN EFFECT CENTRAL AND EASTERN MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWESTERN ILLINOIS. WITH THE LOSS OF DAYTIME HEATING...WINDS HAVE DIMINISHED AND RELATIVE HUMIDITIES HAVE BEGUN TO INCREASE. $$ BYRD
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 3:36 PM CST | Wind Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 26 hr |
Nearby
Red Flag Warnings in Missouri, 2012Red Flag Warnings in Illinois, 2012Every 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.