Alert archive / Tennessee / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Memphis, TN

October 30, 201210 counties in Tennessee

NWS Memphis, TN issued this red flag warning at Oct 30, 2012, 3:30 AM CDT for 10 counties in Tennessee. It took effect at Oct 30, 2012, 1:00 PM 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 30, 2012, 3:30 AM CDT (08:30 UTC)
In effect from
Oct 30, 2012, 1:00 PM CDT
Expired
Oct 30, 2012, 6:09 PM CDT
In force
5 hr
Issued by
NWS Memphis, TN

Counties Benton County, TN, Carroll County, TN, Chester County, TN, Decatur County, TN, Gibson County, TN, Henderson County, TN, Henry County, TN, Madison County, TN, Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 128 km from the middle of the area, began a volume at 08:36 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

Little Rock, AR (KLZK), launched 00:00Z, 8.5 hours before the alert went out and 176 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, Little Rock, AR at 00:00Z on 2012-10-30Temperature 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, Little Rock, AR at 00:00Z on 2012-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2286 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
127 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.

174 
WWUS84 KMEG 300830
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
330 AM CDT TUE OCT 30 2012

...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED OVER PORTIONS OF
WEST TENNESSEE NEAR THE TENNESSEE RIVER...

TNZ002>004-020>022-052>055-302030-
/O.NEW.KMEG.FW.W.0007.121030T1800Z-121031T0000Z/
OBION-WEAKLEY-HENRY-GIBSON-CARROLL-BENTON TN-MADISON-CHESTER-
HENDERSON-DECATUR-
330 AM CDT TUE OCT 30 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND
LOW FUEL MOISTURE FOR PORTIONS OF WEST TENNESSEE NEAR THE
TENNESSEE RIVER...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING. 

* WIND...NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* HUMIDITY...WILL FALL BETWEEN 20 AND 30 PERCENT.

* 10 HOUR FUEL MOISTURE...VALUES BETWEEN 7 AND 10 PERCENT WILL
  CREATE DANGEROUS BURNING CONDITIONS THIS AFTERNOON.

* 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.

&&

$$

KRM
2 follow-up statements
759 
WWUS84 KMEG 301736
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
1236 PM CDT TUE OCT 30 2012

...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED OVER PORTIONS OF
WEST TENNESSEE NEAR THE TENNESSEE RIVER...

TNZ002>004-020>022-052>055-310000-
/O.CON.KMEG.FW.W.0007.121030T1800Z-121031T0000Z/
OBION-WEAKLEY-HENRY-GIBSON-CARROLL-BENTON TN-MADISON-CHESTER-
HENDERSON-DECATUR-
1236 PM CDT TUE OCT 30 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE
FOR PORTIONS OF WEST TENNESSEE NEAR THE TENNESSEE RIVER...

* WIND...NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 
  MPH. 

* HUMIDITY...WILL FALL BETWEEN 20 AND 30 PERCENT.

* 10 HOUR FUEL MOISTURE...VALUES BETWEEN 7 AND 10 PERCENT WILL 
  CREATE DANGEROUS BURNING CONDITIONS THIS AFTERNOON.

* 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.

&&

$$

SJM
244 
WWUS84 KMEG 302309
RFWMEG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
609 PM CDT TUE OCT 30 2012

TNZ002>004-020>022-052>055-310015-
/O.CAN.KMEG.FW.W.0007.000000T0000Z-121031T0000Z/
OBION-WEAKLEY-HENRY-GIBSON-CARROLL-BENTON TN-MADISON-CHESTER-
HENDERSON-DECATUR-
609 PM CDT TUE OCT 30 2012

...RED FLAG WARNING THAT WAS ISSUED EARLIER FOR PORTIONS OF WEST
TENNESSEE IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS CANCELLED THE RED
FLAG WARNING THAT WAS ISSUED EARLIER FOR PORTIONS OF WEST TENNESSEE.

RED FLAG CRITERIA ARE NO LONGER BEING MET. WITH SUNSET...HUMIDITY LEVELS
ARE ON THE INCREASE AND WINDS ARE ON THE DECREASE.

$$

JCL

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 30, 3:34 PM CDTFrost AdvisoryMEGCarroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more18 hr

Nearby

Red Flag Warnings in Tennessee, 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; radar from the NEXRAD Level II archive.