Alert archive / Arkansas / Wind Advisories in 2012

Wind Advisory 18, NWS Memphis, TN

April 25, 20124 states

NWS Memphis, TN issued this wind advisory at Apr 25, 2012, 4:02 AM CDT for 4 states. It took effect at Apr 25, 2012, 11:00 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 25, 2012, 4:02 AM CDT (09:02 UTC)
In effect from
Apr 25, 2012, 11:00 AM CDT
Expired
Apr 25, 2012, 3:08 PM CDT
In force
4 hr
Issued by
NWS Memphis, TN
All 25 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, Lake County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 41 km from the middle of the area, began a volume at 09:06 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, 9.0 hours before the alert went out and 63 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 2012-04-25Temperature 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 00:00Z on 2012-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 square meters per square second.19395878Sfc1 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
2182 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
334 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.

251 
WWUS74 KMEG 250902
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
402 AM CDT WED APR 25 2012

...STRONG AND GUSTY SOUTHWEST WINDS EXPECTED TODAY...

.A TIGHTENING PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER FLORIDA
AND LOW PRESSURE OVER THE MID MISSISSIPPI VALLEY WILL BRING STRONG
WINDS...MAINLY THIS AFTERNOON.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ001-048-049-088-252100-
/O.NEW.KMEG.WI.Y.0018.120425T1600Z-120426T0200Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-LAKE-
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
402 AM CDT WED APR 25 2012

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT
THIS EVENING. 

* WINDS...SOUTHWEST AROUND 25 MPH WITH GUSTS OF 35 TO 40 MPH.

* TIMING...FROM 11 AM TO 9 PM.

* IMPACTS...LOOSE ITEMS WILL BE PRONE TO BLOW AROUND AND TRAVEL
  WILL BE MORE DIFFICULT...ESPECIALLY FOR THOSE DRIVING HIGH
  PROFILE VEHICLES. PERSONS ARE ENCOURAGED TO SECURE LOOSE OUTDOOR
  ITEMS SUCH AS TRASH CANS AND LAWN FURNITURE.

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.

&&

$$

BORGHOFF
2 follow-up statements
885 
WWUS74 KMEG 251713 AAA
NPWMEG

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
1213 PM CDT WED APR 25 2012

...STRONG AND GUSTY SOUTHWEST WINDS EXPECTED TODAY...

.A TIGHTENING PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER
FLORIDA AND LOW PRESSURE OVER THE MID MISSISSIPPI VALLEY WILL
BRING STRONG WINDS...MAINLY THIS AFTERNOON.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ001-048-049-088-260000-
/O.EXT.KMEG.WI.Y.0018.000000T0000Z-120426T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-LAKE-
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
1213 PM CDT WED APR 25 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WINDS...SOUTHWEST NEAR 25 MPH...WITH GUSTS TO 35 MPH.

* TIMING...FROM 11 AM TO 7 PM.

* IMPACTS...LOOSE ITEMS WILL BE PRONE TO BLOW AROUND AND TRAVEL 
  WILL BE MORE DIFFICULT...ESPECIALLY FOR THOSE DRIVING HIGH 
  PROFILE VEHICLES. PERSONS ARE ENCOURAGED TO SECURE LOOSE 
  OUTDOOR ITEMS SUCH AS TRASH CANS AND LAWN FURNITURE. 

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.

&&

$$
663 
WWUS74 KMEG 252008 AAA
NPWMEG

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEMPHIS TN
308 PM CDT WED APR 25 2012

...WIND ADVISORY CANCELLED...

.THE WIND ADVISORY THAT WAS IN EFFECT THROUGH 7 PM CDT HAS BEEN
CANCELLED. ALTHOUGH BREEZY CONDITIONS ARE FORECAST INTO EARLY EVENING...
WIND SPEEDS WILL PREVAIL BELOW ADVISORY CRITERIA.

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001-
007-008-010>012-020-TNZ001-048-049-088-252115-
/O.CAN.KMEG.WI.Y.0018.000000T0000Z-120426T0000Z/
RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI-
CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT-
DESOTO-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-TALLAHATCHIE-LAKE-
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
308 PM CDT WED APR 25 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS CANCELLED THE WIND
ADVISORY. 

THE WIND ADVISORY THAT WAS IN EFFECT THROUGH 7 PM CDT HAS BEEN
CANCELLED. ALTHOUGH BREEZY CONDITIONS ARE FORECAST INTO EARLY EVENING...
WIND SPEEDS WILL PREVAIL BELOW ADVISORY CRITERIA.

$$

PWB

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.