Alert archive / Mississippi / Red Flag Warnings in 2012

Red Flag Warning 3, NWS New Orleans, LA

October 29, 20128 counties in Mississippi

NWS New Orleans, LA issued this red flag warning at Oct 29, 2012, 7:48 AM CDT for 8 counties in Mississippi. It took effect at Oct 29, 2012, 10:00 AM CDT. It was in force for 5 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
Oct 29, 2012, 7:48 AM CDT (12:48 UTC)
In effect from
Oct 29, 2012, 10:00 AM CDT
Expired
Oct 29, 2012, 3:04 PM CDT
In force
5 hr
Issued by
NWS New Orleans, LA

Counties Amite County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS, Pike County, MS, Walthall County, MS, Wilkinson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 0.8 hours before the alert went out and 69 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, Slidell Radar S, LA at 12:00Z on 2012-10-29Temperature 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, Slidell Radar S, LA at 12:00Z on 2012-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -136 square meters per square second.1939587897Sfc1 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
1697 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-136 m²/s²
0-3 km storm-relative helicity
-52 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.

913 
WWUS84 KLIX 291248
RFWLIX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
748 AM CDT MON OCT 29 2012

...DRY AND BREEZY WEATHER WILL CREATE HAZARDOUS BURNING CONDITIONS
TODAY...

.VERY LOW LATE MORNING AND AFTERNOON RELATIVE HUMIDITY BELOW 25
PERCENT COMBINED WITH NORTHERLY WINDS 15 TO 20 MPH WITH HIGHER
GUSTS AT TIMES WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS
TODAY. 

MSZ068>071-077-080>082-292100-
/O.NEW.KLIX.FW.W.0003.121029T1500Z-121029T2300Z/
WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-
JACKSON-
748 AM CDT MON OCT 29 2012

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR
   FIRE WEATHER ZONES 068...069...070...071... 077...080...081 AND
   082...

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

* AFFECTED AREA...IN MISSISSIPPI...FIRE WEATHER ZONE 068 
  WILKINSON...FIRE WEATHER ZONE 069 AMITE...FIRE WEATHER ZONE 
  070 PIKE...FIRE WEATHER ZONE 071 WALTHALL...FIRE WEATHER ZONE 
  077 PEARL RIVER...FIRE WEATHER ZONE 080 HANCOCK...FIRE WEATHER 
  ZONE 081 HARRISON...FIRE WEATHER ZONE 082 JACKSON. 

* WIND...NORTH WINDS 15 TO 20 MPH WITH HIGHER GUSTS.
 
* RELATIVE HUMIDITY...20 TO 25 PERCENT.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$

22/TD
1 follow-up statement
847 
WWUS84 KLIX 292004
RFWLIX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
304 PM CDT MON OCT 29 2012

...RED FLAG WARNING HAS BEEN CANCELLED...

.HUMIDITY AND WIND LEVELS ARE BEGINNING TO RETREAT FROM RED FLAG
CRITERIA. RED FLAG CONDITIONS ARE NO LONGER EXPECTED. 

MSZ068>071-077-080>082-292115-
/O.CAN.KLIX.FW.W.0003.000000T0000Z-121029T2300Z/
WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-
JACKSON-
304 PM CDT MON OCT 29 2012

...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES
068...069...070...071...077...080...081 AND 082...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE RED
FLAG WARNING. 

MINIMAL RELATIVE HUMIDITY LEVELS HAVE SETTLED AROUND 30 PERCENT
AND WILL BEGIN RISING THE REMAINDER OF THE AFTERNOON.

$$

24/RR

Nearby

Red Flag Warnings in Mississippi, 2012Every red flag warning in 2012

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.