Alert archive / Arkansas / Wind Advisories in 2012

Wind Advisory 4, NWS Memphis, TN

January 16, 20124 states

NWS Memphis, TN issued this wind advisory at Jan 16, 2012, 10:05 AM CST for 4 states. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2012, 10:05 AM CST (16:05 UTC)
Expired
Jan 16, 2012, 6:00 PM CST
In force
8 hr
Issued by
NWS Memphis, TN
All 23 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, 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), 44 km from the middle of the area, began a volume at 16:10 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, 4.1 hours before the alert went out and 87 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 2012-01-16Temperature 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 2012-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 534 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
722 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
534 m²/s²
0-3 km storm-relative helicity
518 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.

161 
WWUS74 KMEG 161605
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
1005 AM CST MON JAN 16 2012

...WINDY CONDITIONS EXPECTED TODAY...

.WINDS HAVE INCREASED TO 25 MPH WITH GUSTS TO 40 MPH ALONG AND
WEST OF THE MISSISSIPPI RIVER. THIS SHOULD CONTINUE THROUGH THE
REST OF TODAY AND MAY NEED TO BE EXPANDED FOR LATER TONIGHT.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-010-TNZ001-002-019-048-049-088-170000-
/O.NEW.KMEG.WI.Y.0004.120116T1605Z-120117T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-COAHOMA-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...UNION CITY...DYERSBURG...COVINGTON...
BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON
1005 AM CST MON JAN 16 2012

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. 

* WINDS...25 TO 30 MPH WITH GUSTS AROUND 40 MPH.

* TIMING...NOW THROUGH THIS AFTERNOON.

* 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.

&&

$$

RRH
1 follow-up statement
386 
WWUS74 KMEG 162351
NPWMEG

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

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-010-TNZ001-002-019-048-049-088-170100-
/O.EXP.KMEG.WI.Y.0004.000000T0000Z-120117T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-COAHOMA-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...UNION CITY...DYERSBURG...COVINGTON...
BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON
551 PM CST MON JAN 16 2012

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

THE SOUTHERLY WINDS HAVE DECREASED TO 20 MPH OR LESS OVER MUCH OF
THE AREA SO WILL ALLOW THE WIND ADVISORY TO EXPIRE AT 6 PM.  THE
WINDS WILL STAY BETWEEN 15 TO 20 MPH THE REST OF THE EVENING. 

THE WINDS MAY INCREASE TO 20 TO 25 MPH BEFORE MIDNIGHT. IF WINDS
STRONGER MAY NEED TO ISSUE A NEW ADVISORY LATER TONIGHT.

$$

TLSJR

Nearby

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