Alert archive / Missouri / Red Flag Warnings in 2016

Red Flag Warning 5, NWS St. Louis, MO

November 17, 20165 counties in Missouri

NWS St. Louis, MO issued this red flag warning at Nov 17, 2016, 4:02 AM CST for 5 counties in Missouri. It took effect at Nov 17, 2016, 12:00 PM CST. 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
Nov 17, 2016, 4:02 AM CST (10:02 UTC)
In effect from
Nov 17, 2016, 12:00 PM CST
Expired
Nov 17, 2016, 6:00 PM CST
In force
6 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 10:00 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, 10.0 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2016-11-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2016-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2579 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

843 
WWUS83 KLSX 171002
RFWLSX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAINT LOUIS MO
402 AM CST THU NOV 17 2016

MOZ041-047>050-172215-
/O.NEW.KLSX.FW.W.0005.161117T1800Z-161118T0000Z/
BOONE MO-CALLAWAY MO-COLE MO-MONITEAU MO-OSAGE MO-
402 AM CST THU NOV 17 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL
MISSOURI...

THE NATIONAL WEATHER SERVICE IN SAINT LOUIS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 6 PM CST THIS EVENING.

* AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 041...047... 
  048...049 AND 050.

* 20 FOOT WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 22 PERCENT.

* 10 HOUR 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.

&&

$$

GOSSELIN
1 follow-up statement
432 
WWUS83 KLSX 180003
RFWLSX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAINT LOUIS MO
603 PM CST THU NOV 17 2016

MOZ041-047>050-180115-
/O.EXP.KLSX.FW.W.0005.000000T0000Z-161118T0000Z/
BOONE MO-CALLAWAY MO-COLE MO-MONITEAU MO-OSAGE MO-
603 PM CST THU NOV 17 2016

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR CENTRAL MISSOURI...

CONDITIONS OVER CENTRAL MISSOURI ARE IMPROVING...SO THE RED FLAG
WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

BRITT

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.