Alert archive / Arkansas / Wind Advisories in 2011

Wind Advisory 24, NWS Memphis, TN

November 12, 20114 states

NWS Memphis, TN issued this wind advisory at Nov 12, 2011, 9:12 AM CST for 4 states. It took effect at Nov 12, 2011, 11:00 AM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2011, 9:12 AM CST (15:12 UTC)
In effect from
Nov 12, 2011, 11:00 AM CST
Expired
Nov 12, 2011, 5:00 PM CST
In force
6 hr
Issued by
NWS Memphis, TN
All 27 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Coahoma County, MS, DeSoto County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Dyer County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 34 km from the middle of the area, began a volume at 15:12 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 12:00Z, 3.2 hours before the alert went out and 67 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 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, Little Rock, AR at 12:00Z on 2011-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
1491 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
56 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.

233 
WWUS74 KMEG 121512
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
912 AM CST SAT NOV 12 2011

......WINDY CONDITIONS ACROSS PORTIONS OF THE MIDSOUTH...

.A STRONG PRESSURE GRADIENT ALONG AND WEST OF THE MISSISSIPPI
RIVER WILL ALLOW FOR SOUTH TO SOUTHWEST WINDS TO INCREASE TO 25 TO
30 MPH...WITH GUSTS TO 40 MPH LATE THIS MORNING THROUGH LATE THIS
AFTERNOON.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ001-002-019-048-049-088-122300-
/O.NEW.KMEG.WI.Y.0024.111112T1700Z-111112T2300Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-LAKE-OBION-
DYER-LAUDERDALE-TIPTON-SHELBY-
INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO...
HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY...
HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH...
TUNICA...CLARKSDALE...BATESVILLE...UNION CITY...DYERSBURG...
COVINGTON...BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS...
MILLINGTON
912 AM CST SAT NOV 12 2011

...WIND ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. 

* WINDS...SOUTH TO SOUTHWEST WINDS 25 TO 30 MPH...GUSTING TO 40
  MPH.

* TIMING...FROM 11 AM THROUGH 5 PM SATURDAY.

* IMPACTS...WINDS WITH THIS MAGNITUDE WILL CAUSE UNSECURED ITEMS
  SUCH AS GARBAGE CANS TO BE BLOWN OVER...AND MAY DOWN WEAKENED
  TREE BRANCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

JAB
2 follow-up statements
810 
WWUS74 KMEG 122050
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
250 PM CST SAT NOV 12 2011

...WINDY CONDITIONS EXPECTED ACROSS THE MIDSOUTH...

.A STRONG PRESSURE GRADIENT ACROSS THE MIDSOUTH WILL ALLOW FOR
SOUTH TO SOUTHWEST WINDS TO INCREASE TO 20 TO 30 MPH...WITH GUSTS
TO 40 MPH THROUGH LATE THIS AFTERNOON AND DURING THE DAY ON
SUNDAY.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ001-002-019-048-049-088-130500-
/O.NEW.KMEG.WI.Y.0025.111113T1200Z-111113T2200Z/
/O.CON.KMEG.WI.Y.0024.000000T0000Z-111112T2300Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-LAKE-OBION-
DYER-LAUDERDALE-TIPTON-SHELBY-
INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO...
HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY...
HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH...
TUNICA...CLARKSDALE...BATESVILLE...UNION CITY...DYERSBURG...
COVINGTON...BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS...
MILLINGTON
250 PM CST SAT NOV 12 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...
...WIND ADVISORY IN EFFECT FROM 6 AM TO 4 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 4 PM CST SUNDAY.

* WINDS/TIMING...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH...GUSTING
  TO 40 MPH WILL CONTINUE THROUGH 5 PM TODAY AND THEN START AGAIN ON
  SUNDAY FROM 6 AM THROUGH 4 PM.

* IMPACTS...WINDS WITH THIS MAGNITUDE WILL CAUSE UNSECURED ITEMS 
  SUCH AS GARBAGE CANS TO BE BLOWN OVER...AND MAY DOWN WEAKENED 
  TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ002>006-009-013>017-021>024-TNZ003-004-020-021-050>055-089>092-
130500-
/O.NEW.KMEG.WI.Y.0025.111113T1600Z-111113T2200Z/
MARSHALL-BENTON MS-TIPPAH-ALCORN-TISHOMINGO-PRENTISS-LAFAYETTE-
UNION-PONTOTOC-LEE MS-ITAWAMBA-YALOBUSHA-CALHOUN-CHICKASAW-MONROE-
WEAKLEY-HENRY-GIBSON-CARROLL-HAYWOOD-CROCKETT-MADISON-CHESTER-
HENDERSON-DECATUR-FAYETTE-HARDEMAN-MCNAIRY-HARDIN-
INCLUDING THE CITIES OF...CORINTH...IUKA...BOONEVILLE...OXFORD...
NEW ALBANY...TUPELO...AMORY...ABERDEEN...MARTIN...DRESDEN...
PARIS...HUMBOLDT...MILAN...HUNTINGDON...JACKSON...LEXINGTON...
SOMERVILLE...BOLIVAR...SAVANNAH
250 PM CST SAT NOV 12 2011

...WIND ADVISORY IN EFFECT FROM 10 AM TO 4 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 4 PM CST SUNDAY. 

* WINDS...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH...GUSTING TO 40
  MPH.

* TIMING...FROM 10 AM THROUGH 4 PM SUNDAY.

* IMPACTS...WINDS WITH THIS MAGNITUDE WILL CAUSE UNSECURED ITEMS
  SUCH AS GARBAGE CANS TO BE BLOWN OVER...AND MAY DOWN WEAKENED
  TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

JAB
132 
WWUS74 KMEG 122303
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
503 PM CST SAT NOV 12 2011

...WINDY CONDITIONS EXPECTED ACROSS THE MIDSOUTH SUNDAY...

.A STRONG PRESSURE GRADIENT ACROSS THE MIDSOUTH WILL ALLOW FOR
SOUTH TO SOUTHWEST WINDS TO INCREASE TO 20 TO 30 MPH...WITH GUSTS
TO 40 MPH DURING THE DAY ON SUNDAY.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ001-002-019-048-049-088-130715-
/O.EXP.KMEG.WI.Y.0024.000000T0000Z-111112T2300Z/
/O.CON.KMEG.WI.Y.0025.111113T1200Z-111113T2200Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-LAKE-OBION-
DYER-LAUDERDALE-TIPTON-SHELBY-
INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO...
HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY...
HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH...
TUNICA...CLARKSDALE...BATESVILLE...UNION CITY...DYERSBURG...
COVINGTON...BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS...
MILLINGTON
503 PM CST SAT NOV 12 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM CST SUNDAY...
...WIND ADVISORY FOR THIS AFTERNOON HAS EXPIRED...

* WINDS/TIMING...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH...GUSTING
  TO 40 MPH WILL OCCUR ON SUNDAY FROM 6 AM THROUGH 4 PM.

* IMPACTS...WINDS WITH THIS MAGNITUDE WILL CAUSE UNSECURED ITEMS
  SUCH AS GARBAGE CANS TO BE BLOWN OVER...AND MAY DOWN WEAKENED
  TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ002>006-009-013>017-021>024-TNZ003-004-020-021-050>055-089>092-
130715-
/O.CON.KMEG.WI.Y.0025.111113T1600Z-111113T2200Z/
MARSHALL-BENTON MS-TIPPAH-ALCORN-TISHOMINGO-PRENTISS-LAFAYETTE-
UNION-PONTOTOC-LEE MS-ITAWAMBA-YALOBUSHA-CALHOUN-CHICKASAW-MONROE-
WEAKLEY-HENRY-GIBSON-CARROLL-HAYWOOD-CROCKETT-MADISON-CHESTER-
HENDERSON-DECATUR-FAYETTE-HARDEMAN-MCNAIRY-HARDIN-
INCLUDING THE CITIES OF...CORINTH...IUKA...BOONEVILLE...OXFORD...
NEW ALBANY...TUPELO...AMORY...ABERDEEN...MARTIN...DRESDEN...
PARIS...HUMBOLDT...MILAN...HUNTINGDON...JACKSON...LEXINGTON...
SOMERVILLE...BOLIVAR...SAVANNAH
503 PM CST SAT NOV 12 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 4 PM CST
SUNDAY...

* WINDS...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH...GUSTING TO 40 
  MPH. 

* TIMING...FROM 10 AM THROUGH 4 PM SUNDAY.

* IMPACTS...WINDS WITH THIS MAGNITUDE WILL CAUSE UNSECURED ITEMS 
  SUCH AS GARBAGE CANS TO BE BLOWN OVER...AND MAY DOWN WEAKENED 
  TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
VEHICLES. USE EXTRA CAUTION.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 12, 2:50 PM CSTWind AdvisoryMEGAlcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more27 hr

Nearby

Wind Advisories in Arkansas, 2011Wind Advisories in Mississippi, 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.