Alert archive / Missouri / Red Flag Warnings in 2015
Red Flag Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this red flag warning at Oct 19, 2015, 3:28 AM CDT for 10 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It took effect at Oct 19, 2015, 12:00 PM CDT. 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 19, 2015, 3:28 AM CDT (08:28 UTC)
- In effect from
- Oct 19, 2015, 12:00 PM CDT
- Expired
- Oct 19, 2015, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 08:34 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
Davenport, (KDVN), launched 00:00Z, 8.5 hours before the alert went out and 247 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
- 2442 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
439 WWUS83 KLSX 190828 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 328 AM CDT MON OCT 19 2015 ILZ095>097-MOZ018-019-026-027-034>036-042-200000- /O.UPG.KLSX.FW.A.0001.151019T1600Z-151020T0000Z/ /O.NEW.KLSX.FW.W.0001.151019T1700Z-151020T0000Z/ ADAMS IL-AUDRAIN MO-BROWN IL-KNOX MO-LEWIS MO-MARION MO-MONROE MO- PIKE IL-PIKE MO-RALLS MO-SHELBY MO- 328 AM CDT MON OCT 19 2015 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PARTS OF CENTRAL AND NORTHEAST MISSOURI AS WELL AS PARTS OF WEST CENTRAL 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 NOON TODAY TO 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN ILLINOIS...FIRE WEATHER ZONES 095...096 AND 097. IN MISSOURI...FIRE WEATHER ZONES 018...019...026...027... 034...035...036 AND 042. * 20FT WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * 10HR FUELS...BETWEEN 5 AND 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 DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ MOZ041-047-200000- /O.NEW.KLSX.FW.W.0001.151019T1700Z-151020T0000Z/ BOONE MO-MONITEAU MO- 328 AM CDT MON OCT 19 2015 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PARTS OF CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. * AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 041 AND 047. * 20FT WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * 10HR FUELS...BETWEEN 5 AND 7 PERCENT. * IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD AND GROWTH OF UNCONTROLLED WILDFIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ CARNEY
1 follow-up statement
172 WWUS83 KLSX 192345 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 645 PM CDT MON OCT 19 2015 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047-200045- /O.EXP.KLSX.FW.W.0001.000000T0000Z-151020T0000Z/ ADAMS IL-AUDRAIN MO-BOONE MO-BROWN IL-KNOX MO-LEWIS MO-MARION MO- MONITEAU MO-MONROE MO-PIKE IL-PIKE MO-RALLS MO-SHELBY MO- 645 PM CDT MON OCT 19 2015 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PARTS OF CENTRAL AND NORTHEAST MISSOURI AS WELL AS PARTS OF WEST CENTRAL ILLINOIS... RELATIVE HUMIDITIES HAVE RISEN ABOVE 30 PERCENT AND WILL CONTINUE TO RISE THROUGHOUT THE EVENING...LESSENING THE FIRE WEATHER THREAT. $$ TES
Nearby
Red Flag Warnings in Missouri, 2015Red Flag Warnings in Illinois, 2015Every red flag warning in 2015
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.