Alert archive / Missouri / Red Flag Warnings in 2016
Red Flag Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this red flag warning at Apr 2, 2016, 11:17 AM CDT for 8 counties in Missouri. It took effect at Apr 2, 2016, 12:00 PM CDT. It was in force for 6 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 2, 2016, 11:17 AM CDT (16:17 UTC)
- In effect from
- Apr 2, 2016, 12:00 PM CDT
- Expired
- Apr 2, 2016, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
Counties Crawford County, MO, Dent County, MO, Iron County, MO, Madison County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 16:17 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
Springfield, MO (KSGF), launched 12:00Z, 4.3 hours before the alert went out and 280 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
- 1761 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
199 WWUS83 KLSX 021617 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1117 AM CDT SAT APR 2 2016 MOZ072>075-083>085-099-022300- /O.NEW.KLSX.FW.W.0003.160402T1700Z-160402T2300Z/ CRAWFORD MO-DENT MO-IRON MO-MADISON MO-REYNOLDS MO- SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-WASHINGTON MO- 1117 AM CDT SAT APR 2 2016 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST MISSOURI... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 072...073... 074...075...083...084...085 AND 099. * 20FT WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 40 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. && $$ TILLY
1 follow-up statement
597 WWUS83 KLSX 022301 RFWLSX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 601 PM CDT SAT APR 2 2016 MOZ072>075-083>085-099-030015- /O.EXP.KLSX.FW.W.0003.000000T0000Z-160402T2300Z/ CRAWFORD MO-DENT MO-IRON MO-MADISON MO-REYNOLDS MO- SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-WASHINGTON MO- 601 PM CDT SAT APR 2 2016 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST MISSOURI... HUMIDITIES HAVE RISEN ABOVE 30 PERCENT IN MANY AREAS WITH DIMINISHING WINDS. $$ TES
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 9:11 PM CDT | Wind Advisory | LSX | Jefferson, Lewis, Lincoln, Marion, Pike, Ralls and 3 more | 21 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.