Alert archive / Missouri / Red Flag Warnings in 2014
Red Flag Warning 6, NWS St. Louis, MO
NWS St. Louis, MO issued this red flag warning at Apr 16, 2014, 4:14 AM CDT for 22 counties in Missouri. It took effect at Apr 16, 2014, 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 16, 2014, 4:14 AM CDT (09:14 UTC)
- In effect from
- Apr 16, 2014, 11:00 AM CDT
- Expired
- Apr 16, 2014, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
All 22 counties
Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole 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
The radar
The St Louis radar (KLSX), 80 km from the middle of the area, began a volume at 09:17 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, 9.2 hours before the alert went out and 278 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
- 1996 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
172 WWUS83 KLSX 160914 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 414 AM CDT WED APR 16 2014 MOZ018-026-034-041-042-047-048-050-170000- /O.UPG.KLSX.FW.A.0002.140416T1600Z-140417T0000Z/ /O.NEW.KLSX.FW.W.0006.140416T1600Z-140417T0000Z/ AUDRAIN MO-BOONE MO-CALLAWAY MO-COLE MO-KNOX MO-MONITEAU MO- MONROE MO-SHELBY MO- 414 AM CDT WED APR 16 2014 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PARTS OF 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 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 018...026... 034...041...042...047...048 AND 050. * 20FT WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 21 PERCENT. * 10HR 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. && $$ MOZ019-027-035-036-049-051-052-059>065-170000- /O.NEW.KLSX.FW.W.0006.140416T1600Z-140417T0000Z/ FRANKLIN MO-GASCONADE MO-JEFFERSON MO-LEWIS MO-LINCOLN MO- MARION MO-MONTGOMERY MO-OSAGE MO-PIKE MO-RALLS MO-ST. CHARLES MO- ST. LOUIS CITY MO-ST. LOUIS MO-WARREN MO- 414 AM CDT WED APR 16 2014 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PARTS OF MISSOURI... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. * AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 019...027... 035...036...049...051...052...059...060...061...062...063... 064 AND 065. * 20FT WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 22 PERCENT. * 10HR FUELS...LESS THAN 9 PERCENT. * IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD AND GROWTH OF UNCONTROLLED WILDFIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ KANOFSKY
1 follow-up statement
597 WWUS83 KLSX 162351 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 651 PM CDT WED APR 16 2014 MOZ018-019-026-027-034>036-041-042-047>052-059>065-170100- /O.EXP.KLSX.FW.W.0006.000000T0000Z-140417T0000Z/ AUDRAIN MO-BOONE MO-CALLAWAY MO-COLE MO-FRANKLIN MO-GASCONADE MO- JEFFERSON MO-KNOX MO-LEWIS MO-LINCOLN MO-MARION MO-MONITEAU MO- MONROE MO-MONTGOMERY MO-OSAGE MO-PIKE MO-RALLS MO-SHELBY MO- ST. CHARLES MO-ST. LOUIS CITY MO-ST. LOUIS MO-WARREN MO- 651 PM CDT WED APR 16 2014 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... SURFACE WINDS HAVE BEGUN TO DIMINISH AND WILL CONTINUE TO DO SO THIS EVENING WITH RELATIVE HUMIDITY VALUES GRADUALLY INCREASING THROUGH THE EVENING. $$ BYRD
Nearby
Red Flag Warnings in Missouri, 2014Every red flag warning in 2014
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.