Alert archive / Missouri / Red Flag Warnings in 2016
Red Flag Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this red flag warning at Apr 3, 2016, 4:35 AM CDT for 5 counties in Missouri. It took effect at Apr 3, 2016, 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
- Apr 3, 2016, 4:35 AM CDT (09:35 UTC)
- In effect from
- Apr 3, 2016, 12:00 PM CDT
- Expired
- Apr 3, 2016, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO, Osage County, MO
The radar
The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 09:35 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
Springfield, MO (KSGF), launched 00:00Z, 9.6 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
- 2562 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
268 WWUS83 KLSX 030935 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 435 AM CDT SUN APR 3 2016 MOZ041-047>050-032145- /O.NEW.KLSX.FW.W.0004.160403T1700Z-160404T0000Z/ BOONE MO-CALLAWAY MO-COLE MO-MONITEAU MO-OSAGE MO- 435 AM CDT SUN APR 3 2016 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR 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...047... 048...049 AND 050. * 20FT WINDS...SOUTHWEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 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. && $$ BRITT
2 follow-up statements
234 WWUS83 KLSX 032100 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 400 PM CDT SUN APR 3 2016 MOZ041-047>050-040000- /O.CON.KLSX.FW.W.0004.000000T0000Z-160404T0000Z/ BOONE MO-CALLAWAY MO-COLE MO-MONITEAU MO-OSAGE MO- 400 PM CDT SUN APR 3 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL MISSOURI... * AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 041...047... 048...049 AND 050. * 20FT WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * 10HR FUELS...LESS THAN 9 PERCENT. * IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD AND GROWTH OF UNCONTROLLED WILDFIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ TILLY
082 WWUS83 KLSX 040005 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 705 PM CDT SUN APR 3 2016 MOZ041-047>050-040115- /O.EXP.KLSX.FW.W.0004.000000T0000Z-160404T0000Z/ BOONE MO-CALLAWAY MO-COLE MO-MONITEAU MO-OSAGE MO- 705 PM CDT SUN APR 3 2016 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL MISSOURI... HUMIDITY LEVELS HAVE BEGUN TO RISE AND WINDS HAVE BEGUN TO DIMINISH ENDING HIGH FIRE DANGER CONDITIONS. $$ GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 8:57 PM CDT | Wind Advisory | LSX | Audrain, Knox, Lewis, Marion, Monroe, Pike and 2 more | 22 hr |
Nearby
Red Flag Warnings in Missouri, 2016Every red flag warning in 2016
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.