Alert archive / Missouri / Red Flag Warnings in 2011

Red Flag Warning 4, NWS Springfield, MO

April 6, 201131 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this red flag warning at Apr 6, 2011, 5:22 AM CDT for 31 counties in Missouri; Bourbon County, Cherokee County, Crawford County, Kansas. It took effect at Apr 6, 2011, 7:00 AM CDT. It was in force for 11 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 6, 2011, 5:22 AM CDT (10:22 UTC)
In effect from
Apr 6, 2011, 7:00 AM CDT
Expired
Apr 6, 2011, 6:00 PM CDT
In force
11 hr
Issued by
NWS Springfield, MO
All 34 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 25 km from the middle of the area, began a volume at 10:23 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, 10.4 hours before the alert went out and 75 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 2011-04-06Temperature 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 2011-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.1939587897117Sfc1 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
3116 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

080 
WWUS83 KSGF 061022
RFWSGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
522 AM CDT WED APR 6 2011


KSZ073-097-101-MOZ055>058-066>071-077>082-088>097-101>105-061830-
/O.NEW.KSGF.FW.W.0004.110406T1200Z-110406T2300Z/
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-LAWRENCE-
CHRISTIAN-DOUGLAS-HOWELL-MCDONALD-BARRY-STONE-TANEY-OZARK-
522 AM CDT WED APR 6 2011

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN MISSOURI...55...56...57...58...66...67...68...69...70
...71...77...78...79...80...81...82...88...89...90
...91...92...93...94...95...96...97...101...102...103
...104...105. IN KANSAS...73...97...101.

GUSTY SOUTH WINDS AND LOW HUMIDITY VALUES PERSISTED LAST NIGHT
OVER MUCH OF THE REGION. MOST AREAS PRIOR TO DAYBREAK ALREADY
WERE QUITE DRY WITH HUMIDITY READINGS NEAR OR BELOW 40 PERCENT. THE POOR
NIGHT TIME HUMIDITY RECOVERY...DRY FUELS...AND WINDS ALREADY
GUSTING TO 20 TO 35 MPH IN SOME AREAS HAS ALREADY SET THE TABLE
FOR A POTENTIALLY DANGEROUS DAY FOR OUTDOOR BURNING.

WINDS ARE EXPECTED TO DIMINISH SOMEWHAT OVER SOUTHEAST KANSAS INTO
WEST CENTRAL MISSOURI BY AFTERNOON...BUT STRONGER WIND GUSTS WILL
PERSIST ALONG AND SOUTH OF INTERSTATE 44 INTO THE AFTERNOON HOURS
BEFORE DIMINISHING LATE IN THE DAY. WIND GUSTS OF 30 TO 35 MPH CAN
BE EXPECTED IN MANY AREAS...WITH LOCALLY HIGHER GUSTS THIS
MORNING OVER OPEN TERRAIN. HUMIDITY VALUES ARE EXPECTED TO REMAIN
CRITICAL THROUGH THE DAY TODAY...FALLING TO NEAR OR BELOW 25
PERCENT IN MOST AREAS.

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

DSA
3 follow-up statements
923 
WWUS83 KSGF 061541
RFWSGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1041 AM CDT WED APR 6 2011

KSZ073-097-101-MOZ055>058-066>071-077>082-088>097-101>105-062300-
/O.CON.KSGF.FW.W.0004.000000T0000Z-110406T2300Z/
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-LAWRENCE-
CHRISTIAN-DOUGLAS-HOWELL-MCDONALD-BARRY-STONE-TANEY-OZARK-
1041 AM CDT WED APR 6 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING.

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN MISSOURI...55...56...57...58...66...67...68...69...70
...71...77...78...79...80...81...82...88...89...90
...91...92...93...94...95...96...97...101...102...103
...104...105
IN KANSAS...73...97...101

GUSTY SOUTH TO SOUTHWEST WINDS AND LOW HUMIDITY VALUES WILL
PERSIST INTO THIS AFTERNOON AS TEMPERATURES WARM QUICKLY INTO
THE AFTERNOON HOURS. LOW HUMIDITY VALUES...DRY FUELS...AND WINDS
GUSTING TO 20 TO 35 MPH IN SOME AREAS WILL SET THE STAGE FOR 
A POTENTIALLY DANGEROUS DAY FOR OUTDOOR BURNING.

WINDS ARE EXPECTED TO DIMINISH SOMEWHAT ACROSS SOUTHEAST KANSAS
INTO WEST CENTRAL MISSOURI BY AFTERNOON...BUT STRONGER WIND GUSTS
WILL PERSIST ALONG AND SOUTH OF INTERSTATE 44 INTO THE AFTERNOON
HOURS BEFORE DIMINISHING LATE IN THE DAY. WIND GUSTS OF 30 TO 35
MPH CAN BE EXPECTED IN MANY AREAS. HUMIDITY VALUES ARE EXPECTED
TO REMAIN CRITICAL THROUGH THE DAY TODAY...FALLING TO NEAR OR
BELOW 25 PERCENT IN MOST AREAS.

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOSTER
936 
WWUS83 KSGF 062043
RFWSGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
343 PM CDT WED APR 6 2011

KSZ073-097-101-MOZ055>058-066>071-077>082-088>097-101>105-062300-
/O.CON.KSGF.FW.W.0004.000000T0000Z-110406T2300Z/
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-LAWRENCE-
CHRISTIAN-DOUGLAS-HOWELL-MCDONALD-BARRY-STONE-TANEY-OZARK-
343 PM CDT WED APR 6 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING.

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN MISSOURI...55...56...57...58...66...67...68...69...70
...71...77...78...79...80...81...82...88...89...90
...91...92...93...94...95...96...97...101...102...103
...104...105
IN KANSAS...73...97...101

GUSTY SOUTH TO SOUTHWEST WINDS AND LOW HUMIDITY VALUES WILL
PERSIST THROUGH LATE AFTERNOON AS TEMPERATURES REMAIN IN THE LOWER
TO MIDDLE 70S. LOW HUMIDITY VALUES...DRY FUELS...AND WINDS
GUSTING TO 15 TO 30 MPH IN SOME AREAS WILL MAINTAIN CRITICAL FIRE
WEATHER CONDITIONS THROUGH LATE AFTERNOON.

WINDS WILL GRADUALLY DECREASE LATE THIS AFTERNOON INTO THIS EVENING
WITH THE STRONGEST WINDS ALONG AND SOUTHEAST OF INTERSTATE 44. 
HUMIDITY VALUES WILL GENERALLY REMAIN IN THE 20 TO 30 PERCENT
RANGE UNTIL SUNSET WITH SOME AREAS IN THE TEENS.

GRADUALLY IMPROVING CONDITIONS ARE EXPECTED THIS EVENING.

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 WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOSTER
280 
WWUS83 KSGF 062255
RFWSGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
555 PM CDT WED APR 6 2011


KSZ073-097-101-MOZ055>058-066>071-077>082-088>097-101>105-070000-
/O.EXP.KSGF.FW.W.0004.000000T0000Z-110406T2300Z/
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-LAWRENCE-
CHRISTIAN-DOUGLAS-HOWELL-MCDONALD-BARRY-STONE-TANEY-OZARK-
555 PM CDT WED APR 6 2011

...RED FLAG WARNING WILL EXPIRE AT 6 PM CDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 6 PM CDT THIS EVENING. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN MISSOURI...55...56...57...58...66...67...68...69...70
...71...77...78...79...80...81...82...88...89...90
...91...92...93...94...95...96...97...101...102...103
...104...105
IN KANSAS...73...97...101

TEMPERATURES ARE BEGINNING TO COOL AND WINDS ARE WEAKENING LATE
THIS AFTERNOON. AS A RESULT RELATIVE HUMIDITY VALUES ARE
BEGINNING TO IMPROVE AND WILL CONTINUE TO RAPIDLY IMPROVE THROUGH
THE EARLY EVENING HOURS. BY MID EVENING RELATIVE HUMIDITIES WILL
INCREASE TO ABOVE 40 PERCENT AND WINDS WILL HAVE BECOME LIGHT.

$$

WISE

Nearby

Red Flag Warnings in Missouri, 2011Red Flag Warnings in Kansas, 2011Every red flag warning in 2011

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.