Alert archive / Arkansas / Wind Advisories in 2012

Wind Advisory 5, NWS Memphis, TN

January 16, 20124 states

NWS Memphis, TN issued this wind advisory at Jan 16, 2012, 11:34 PM CST for 4 states. It took effect at Jan 17, 2012, 12:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2012, 11:34 PM CST (05:34 UTC)
In effect from
Jan 17, 2012, 12:00 AM CST
Expired
Jan 17, 2012, 12:00 PM CST
In force
12 hr
Issued by
NWS Memphis, TN
All 24 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, Lauderdale County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 44 km from the middle of the area, began a volume at 05:35 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, 5.6 hours before the alert went out and 61 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 2012-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 423 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
188 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
423 m²/s²
0-3 km storm-relative helicity
469 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

330 
WWUS74 KMEG 170534
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
1134 PM CST MON JAN 16 2012

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ048-049-088-171345-
/O.NEW.KMEG.WI.Y.0005.120117T0600Z-120117T1500Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-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...COVINGTON...BARTLETT...
GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON
1134 PM CST MON JAN 16 2012

...WIND ADVISORY IN EFFECT UNTIL 9 AM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST TUESDAY. 

* WINDS...SOUTH 20 TO 30 MPH WITH GUST TO 45 MPH.

* TIMING...WINDS WILL CONTINUE TILL AROUND 9 AM

* IMPACTS...UNSECURED OBJECTS SUCH AS TRASH CAN MAY BE BLOWN
  AROUND. DRIVING CONDITION MAY BE DIFFICULT FOR OPERATORS OF HIGH
  PROFILE VEHICLES. SOME SMALL TREE LIMBS MAY BE BLOWN DOWN.



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.

&&

$$
2 follow-up statements
196 
WWUS74 KMEG 171006
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
406 AM CST TUE JAN 17 2012

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ048-049-088-171500-
/O.CON.KMEG.WI.Y.0005.000000T0000Z-120117T1500Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-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...COVINGTON...BARTLETT...
GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON
406 AM CST TUE JAN 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING...

* WINDS...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45
  MPH ARE EXPECTED.

* TIMING...GUSTY SOUTH TO SOUTHWEST WINDS WILL CONTINUE ACROSS THE
  ADVISORY AREA THROUGH 9 AM CST.

* IMPACTS...UNSECURED OBJECTS SUCH AS TRASH CANS MAY BE BLOWN 
  AROUND. DRIVING CONDITIONS MAY BE DIFFICULT FOR OPERATORS OF 
  HIGH PROFILE VEHICLES. SOME SMALL TREE LIMBS MAY BE BLOWN 
  DOWN. 

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.

&&

$$
976 
WWUS74 KMEG 171442
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
842 AM CST TUE JAN 17 2012

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ048-049-088-171800-
/O.EXT.KMEG.WI.Y.0005.000000T0000Z-120117T1800Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-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...COVINGTON...BARTLETT...
GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON
842 AM CST TUE JAN 17 2012

...WIND ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...

* WINDS...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40
  MPH ARE EXPECTED.

* TIMING...GUSTY SOUTHWEST TO WEST WINDS WILL CONTINUE ACROSS THE
  ADVISORY AREA THROUGH 12 PM CST.

* IMPACTS...UNSECURED OBJECTS SUCH AS TRASH CANS MAY BE BLOWN 
  AROUND. DRIVING CONDITIONS MAY BE DIFFICULT FOR OPERATORS OF 
  HIGH PROFILE VEHICLES. SOME SMALL TREE LIMBS MAY BE BLOWN 
  DOWN. 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 9:57 AM CSTSevere Thunderstorm WarningMEGPemiscot33 min
Jan 17, 11:28 AM CSTSpecial Weather StatementMEGAlcorn, Tippah32 min
Jan 17, 11:40 AM CSTSevere Thunderstorm WarningMEGAlcorn, Benton, Prentiss, Tippah50 min
Jan 17, 11:53 AM CSTTornado WarningMEGPrentiss, Tippah37 min
Jan 17, 12:18 PM CSTSevere Thunderstorm WarningMEGAlcorn, Prentiss, Tishomingo18 min
Jan 17, 12:28 PM CSTSevere Thunderstorm WarningMEGDeSoto, Marshall20 min
Jan 17, 1:03 PM CSTSpecial Weather StatementMEGLafayette27 min
Jan 17, 1:42 PM CSTSevere Thunderstorm WarningMEGAlcorn, Tishomingo24 min
Jan 17, 4:48 PM CSTSpecial Weather StatementMEGItawamba42 min
Jan 17, 10:45 AM CSTSevere Thunderstorm WarningMEGCarroll, Gibson, Henry, Weakley33 min
Jan 17, 11:34 AM CSTSevere Thunderstorm WarningMEGCarroll, Decatur, Henderson, Madison41 min
Jan 17, 12:56 PM CSTSpecial Weather StatementMEGHardeman34 min

Nearby

Wind Advisories in Arkansas, 2012Wind Advisories in Mississippi, 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.