Alert archive / Alabama / Wind Advisories in 2011

Wind Advisory 13, NWS Huntsville, AL

November 12, 201111 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee

NWS Huntsville, AL issued this wind advisory at Nov 12, 2011, 2:58 PM CST for 11 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It took effect at Nov 13, 2011, 9:00 AM CST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2011, 2:58 PM CST (20:58 UTC)
In effect from
Nov 13, 2011, 9:00 AM CST
Expired
Nov 13, 2011, 4:00 PM CST
In force
7 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 20:57 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 12:00Z, 9.0 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 12:00Z on 2011-11-12Temperature 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 12:00Z on 2011-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1756 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
164 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.

807 
WWUS74 KHUN 122058
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
258 PM CST SAT NOV 12 2011

...WINDY CONDITIONS ARE EXPECTED ON SUNDAY...

.A STRONG PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD FRONT WILL
ALLOW FOR SOUTH WINDS TO INCREASE AND BECOME GUSTY ON SUNDAY
MORNING...WITH GUSTS TO AROUND 35 MPH POSSIBLE AT TIMES BY SUNDAY
AFTERNOON.

ALZ001>010-016-TNZ076-096-097-130500-
/O.NEW.KHUN.WI.Y.0013.111113T1500Z-111113T2200Z/
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
258 PM CST SAT NOV 12 2011

...WIND ADVISORY IN EFFECT FROM 9 AM TO 4 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 4 PM CST SUNDAY. 

* TIMING AND AREAS AFFECTED...ALL OF THE TENNESSEE VALLEY...FROM 9 AM
  SUNDAY THROUGH 4 PM SUNDAY. WIND GUSTS WILL BE STRONGEST NORTH OF
  THE TENNESSEE RIVER AND IN THE HIGHER TERRAIN LOCATIONS OF
  NORTHWEST ALABAMA AND SOUTHERN MIDDLE TENNESSEE.

* WINDS...SUSTAINED SOUTH WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* IMPACTS...WINDS OF THIS MAGNITUDE CAN CAUSE UNSECURED ITEMS SUCH AS
  GARBAGE CANS AND LAWN DECORATIONS TO BE BLOWN OVER...AND MAY DOWN
  WEAKENED TREE BRANCHES.

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.

&&

$$
4 follow-up statements
921 
WWUS74 KHUN 130302
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
902 PM CST SAT NOV 12 2011

...WINDY CONDITIONS ARE EXPECTED ON SUNDAY...

.A TIGHT PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD FRONT WILL
PRODUCE WINDY CONDITIONS ON SUNDAY...WITH SOUTH WINDS GUSTING TO
AROUND 35 MPH AT TIMES DURING THE AFTERNOON.

ALZ001>010-016-TNZ076-096-097-131100-
/O.CON.KHUN.WI.Y.0013.111113T1500Z-111113T2200Z/
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
902 PM CST SAT NOV 12 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM TO 4 PM CST SUNDAY...

* TIMING AND AREAS AFFECTED...ALL OF THE TENNESSEE VALLEY...FROM 9 AM
  SUNDAY THROUGH 4 PM SUNDAY. WIND GUSTS WILL BE GREATEST AND MOST
  FREQUENT IN NORTHWEST ALABAMA AND SOUTHERN MIDDLE TENNESSEE.

* WINDS...SUSTAINED SOUTH WINDS OF 15 TO 25 MPH WITH GUSTS AROUND 35
  MPH.

* IMPACTS...WINDS OF THIS MAGNITUDE CAN CAUSE UNSECURED ITEMS 
  SUCH AS GARBAGE CANS AND LAWN DECORATIONS TO BE BLOWN OVER... 
  AND MAY DOWN WEAKENED TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. ENSURE ALL LOOSE OUTDOOR
OBJECTS REMAIN SECURE...INCLUDING PATIO FURNITURE AND TRASH CANS.

&&

$$


KULA
728 
WWUS74 KHUN 130929
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
329 AM CST SUN NOV 13 2011

...WINDY CONDITIONS ARE EXPECTED TODAY...

.A TIGHT PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD FRONT WILL
PRODUCE WINDY CONDITIONS TODAY...WITH SOUTH WINDS GUSTING TO AROUND
35 MPH AT TIMES DURING THE AFTERNOON.

ALZ001>010-016-TNZ076-096-097-132200-
/O.CON.KHUN.WI.Y.0013.111113T1500Z-111113T2200Z/
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
329 AM CST SUN NOV 13 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 4 PM
CST THIS AFTERNOON...

* TIMING AND AREAS AFFECTED...ALL OF THE TENNESSEE VALLEY...FROM 9 AM
  THROUGH 4 PM TODAY. WIND GUSTS WILL BE GREATEST AND MOST FREQUENT
  IN NORTHWEST ALABAMA AND SOUTHERN MIDDLE TENNESSEE.

* WINDS...SUSTAINED SOUTH WINDS OF 15 TO 25 MPH WITH GUSTS 
  AROUND 35 MPH. 

* IMPACTS...WINDS OF THIS MAGNITUDE CAN CAUSE UNSECURED ITEMS SUCH AS
  GARBAGE CANS AND LAWN FURNITURE TO BE BLOWN OVER... AND MAY DOWN
  WEAKENED TREE BRANCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. ENSURE ALL LOOSE
OUTDOOR OBJECTS REMAIN SECURE...INCLUDING PATIO FURNITURE AND
TRASH CANS.

&&

$$

TT
612 
WWUS74 KHUN 131504
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
904 AM CST SUN NOV 13 2011

...WINDY CONDITIONS TODAY...

.A TIGHT PRESSURE GRADIENT AHEAD OF AN APPROACHING COLD FRONT
WILL PRODUCE WINDY CONDITIONS TODAY...WITH SOUTH WINDS GUSTING TO
AROUND 35 MPH AT TIMES.

ALZ001>010-016-TNZ076-096-097-132200-
/O.CON.KHUN.WI.Y.0013.000000T0000Z-111113T2200Z/
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
904 AM CST SUN NOV 13 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

* TIMING AND AREAS AFFECTED...ALL OF THE TENNESSEE VALLEY THROUGH 4
  PM TODAY. WIND GUSTS WILL BE GREATEST AND MOST FREQUENT IN
  NORTHWEST ALABAMA AND SOUTHERN MIDDLE TENNESSEE.

* WINDS...SUSTAINED SOUTH WINDS OF 15 TO 25 MPH WITH GUSTS 
  AROUND 35 MPH. 

* IMPACTS...WINDS OF THIS MAGNITUDE CAN CAUSE UNSECURED ITEMS 
  SUCH AS GARBAGE CANS AND LAWN FURNITURE TO BE BLOWN OVER... 
  AND MAY DOWN WEAKENED TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. ENSURE ALL LOOSE
OUTDOOR OBJECTS REMAIN SECURE...INCLUDING PATIO FURNITURE AND
TRASH CANS.

&&

$$
018 
WWUS74 KHUN 132152
NPWHUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HUNTSVILLE AL
352 PM CST SUN NOV 13 2011

ALZ001>010-016-TNZ076-096-097-132300-
/O.EXP.KHUN.WI.Y.0013.000000T0000Z-111113T2200Z/
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
352 PM CST SUN NOV 13 2011

...WIND ADVISORY WILL EXPIRE AT 4 PM CST THIS AFTERNOON...

WINDS HAVE DECREASED ACROSS THE TENNESSEE VALLEY. WIND SPEEDS WILL
STILL BE BETWEEN 10 TO 15 MPH WITH GUSTS TO 30 MPH BEFORE DIMINISHING
FURTHER AS SUNSET APPROACHES. THUS...THE WIND ADVISORY WILL BE ALLOWED
TO EXPIRE AT 4 PM.

$$

SL

Nearby

Wind Advisories in Alabama, 2011Wind Advisories in Tennessee, 2011Every wind advisory 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.