Alert archive / Alabama / Wind Advisories in 2012

Wind Advisory 2, NWS Huntsville, AL

January 12, 2012Franklin County, Lincoln County, Moore County, Tennessee; 11 counties in Alabama

NWS Huntsville, AL issued this wind advisory at Jan 12, 2012, 4:46 AM CST for Franklin County, Lincoln County, Moore County, Tennessee; 11 counties in Alabama. It took effect at Jan 12, 2012, 12:00 PM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 12, 2012, 4:46 AM CST (10:46 UTC)
In effect from
Jan 12, 2012, 12:00 PM CST
Expired
Jan 12, 2012, 8:00 PM CST
In force
8 hr
Issued by
NWS Huntsville, AL

Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN

The radar

The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 10:48 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

Nashville Metro, TN (KBNA), launched 00:00Z, 10.8 hours before the alert went out and 159 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, Nashville Metro, TN at 00:00Z on 2012-01-12Temperature 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, Nashville Metro, TN at 00:00Z on 2012-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
607 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
55 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.

288 
WWUS74 KHUN 121046
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
446 AM CST THU JAN 12 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

ALZ001>010-016-TNZ076-096-097-130000-
/O.NEW.KHUN.WI.Y.0002.120112T1800Z-120113T0000Z/
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS...
RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR...
GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG...
FAYETTEVILLE...WINCHESTER
446 AM CST THU JAN 12 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING.

* TIMING AND AREAS AFFECTED...ALL COUNTIES IN NORTHERN ALABAMA AS
  WELL AS LINCOLN...MOORE...AND FRANKLIN COUNTIES IN SOUTHERN
  MIDDLE TENNESSEE FROM NOON THROUGH 6 PM CST TODAY.

* WINDS...WESTERLY WINDS WILL INCREASE TO AROUND 25 MPH FOLLOWING THE
  PASSAGE OF A STRONG COLD FRONT THIS MORNING...WITH GUSTS TO
  AROUND 35 MPH EXPECTED. LOCATIONS ABOVE 1500 FEET WILL LIKELY SEE
  SUSTAINED WIND SPEEDS OF 25 TO 30 MPH...WITH GUSTS TO AROUND 40
  MPH.

* IMPACTS...WINDS OF THIS MAGNITUDE WILL CREATE DIFFICULT DRIVING
  CONDITIONS FOR HIGH PROFILE VEHICLES AND MAY BLOW AROUND LOOSE
  OUTDOOR OBJECTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS IN EXCESS OF 25 MPH...OR
GUSTS IN EXCESS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION. IN ADDITION...ENSURE ALL LOOSE OUTDOOR OBJECTS REMAIN
SECURE...INCLUDING PATIO FURNITURE AND TRASH CANS.

&&

$$

70/DD
3 follow-up statements
563 
WWUS74 KHUN 121755
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1155 AM CST THU JAN 12 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

ALZ001>010-016-TNZ076-096-097-130000-
/O.CON.KHUN.WI.Y.0002.120112T1800Z-120113T0000Z/
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS...
RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR...
GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG...
FAYETTEVILLE...WINCHESTER
1155 AM CST THU JAN 12 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING AND AREAS AFFECTED...ALL COUNTIES IN NORTHERN ALABAMA 
  AS WELL AS LINCOLN...MOORE...AND FRANKLIN COUNTIES IN SOUTHERN 
  MIDDLE TENNESSEE FROM NOON THROUGH 6 PM CST TODAY. 

* WINDS...WESTERLY WINDS WILL INCREASE TO AROUND 25 MPH FOLLOWING THE
  PASSAGE OF A STRONG COLD FRONT THROUGH THIS AFTERNOON...WITH GUSTS
  TO 35 MPH EXPECTED. LOCATIONS ABOVE 1500 FEET WILL LIKELY SEE
  SUSTAINED WIND SPEEDS OF 25 TO 30 MPH...WITH GUSTS TO 35 TO 40
  MPH.

* IMPACTS...WINDS OF THIS MAGNITUDE WILL CREATE DIFFICULT 
  DRIVING CONDITIONS FOR HIGH PROFILE VEHICLES AND MAY BLOW 
  AROUND LOOSE OUTDOOR OBJECTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS IN EXCESS OF 25 MPH...
OR GUSTS IN EXCESS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION. IN ADDITION...ENSURE ALL LOOSE OUTDOOR OBJECTS
REMAIN SECURE...INCLUDING PATIO FURNITURE AND TRASH CANS.

&&

$$
859 
WWUS74 KHUN 122322
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
522 PM CST THU JAN 12 2012

...A WIND ADVISORY HAS BEEN EXTENDED UNTIL 8 PM CST THIS EVENING

ALZ001>010-016-TNZ076-096-097-130200-
/O.EXT.KHUN.WI.Y.0002.000000T0000Z-120113T0200Z/
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS...
RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR...
GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG...
FAYETTEVILLE...WINCHESTER
522 PM CST THU JAN 12 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM CST THIS EVENING...

* TIMING AND AREAS AFFECTED...ALL COUNTIES IN NORTHERN ALABAMA AS
  WELL AS LINCOLN...MOORE...AND FRANKLIN COUNTIES IN SOUTHERN MIDDLE
  TENNESSEE THROUGH 8 PM CST TODAY.

* WINDS...WESTERLY WINDS OF 20 TO 30 MPH...WITH SOME GUSTS TO 35 MPH
  WILL CONTINUE IN THE WAKE OF A COLD FRONT PASSAGE EARLIER TODAY.
  LOCATIONS ABOVE 1500 FEET WILL LIKELY SEE SUSTAINED WIND SPEEDS OF
  25 TO 35 MPH...WITH GUSTS TO 40 MPH.

* IMPACTS...WINDS OF THIS MAGNITUDE WILL CREATE DIFFICULT DRIVING
  CONDITIONS FOR HIGH PROFILE VEHICLES AND MAY BLOW AROUND LOOSE
  OUTDOOR OBJECTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS IN EXCESS OF 25 MPH...OR 
GUSTS IN EXCESS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION. IN ADDITION...ENSURE ALL LOOSE OUTDOOR OBJECTS REMAIN
SECURE...INCLUDING PATIO FURNITURE AND TRASH CANS.

&&

$$

RSB
150 
WWUS74 KHUN 130146
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
746 PM CST THU JAN 12 2012

ALZ001>010-016-TNZ076-096-097-130300-
/O.EXP.KHUN.WI.Y.0002.000000T0000Z-120113T0200Z/
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS...
RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR...
GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG...
FAYETTEVILLE...WINCHESTER
746 PM CST THU JAN 12 2012

...WIND ADVISORY WILL EXPIRE AT 8 PM CST THIS EVENING...

WINDS ACROSS THE TENNESSEE VALLEY HAVE SUBSIDED BELOW ADVISORY
CRITERIA. THEREFORE THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 
8 PM CST.

$$

RSB

The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 12, 9:43 AM CSTRiver Flood WarningHUNJackson, Madison, Marshall35 hr
Jan 12, 9:50 AM CSTRiver Flood WarningHUNLawrence29 hr

Nearby

Wind Advisories in Alabama, 2012Wind Advisories in Tennessee, 2012Every wind advisory 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.