Alert archive / Mississippi / Wind Advisories in 2011

Wind Advisory 10, NWS Jackson, MS

April 25, 20118 counties in Mississippi; 5 parishes in Louisiana; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this wind advisory at Apr 25, 2011, 4:01 AM CDT for 8 counties in Mississippi; 5 parishes in Louisiana; Ashley County, Chicot County, Arkansas. It took effect at Apr 25, 2011, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 25, 2011, 4:01 AM CDT (09:01 UTC)
In effect from
Apr 25, 2011, 10:00 AM CDT
Expired
Apr 25, 2011, 7:00 PM CDT
In force
9 hr
Issued by
NWS Jackson, MS

Counties Ashley County, AR, Chicot County, AR, East Carroll Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, West Carroll Parish, LA, Bolivar County, MS, Humphreys County, MS, Issaquena County, MS, Leflore County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 131 km from the middle of the area, began a volume at 09:04 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

Jackson, MS (KJAN), launched 00:00Z, 9.0 hours before the alert went out and 121 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, Jackson, MS at 00:00Z on 2011-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 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, Jackson, MS at 00:00Z on 2011-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
186 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1764 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

333 
WWUS74 KJAN 250901
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
401 AM CDT MON APR 25 2011

...WINDY CONDITIONS EXPECTED ACROSS WESTERN PORTIONS OF THE AREA TODAY...

ARZ074-075-LAZ007>009-015-016-MSZ018-019-025-034-035-040-041-047-
251715-
/O.NEW.KJAN.WI.Y.0010.110425T1500Z-110426T0000Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-
ISSAQUENA-SHARKEY-WARREN-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...
GREENVILLE...BELZONI...ISOLA...MAYERSVILLE...ROLLING FORK...
ANGUILLA...VICKSBURG
401 AM CDT MON APR 25 2011

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING. 

* TIMING: SOUTHERLY WINDS WILL INCREASE AND BECOME GUSTY BY MID
  MORNING AND INTO THIS AFTERNOON AS THE PRESSURE GRADIENT OVER THE
  AREA TIGHTENS IN RESPONSE TO A STRENGTHENING LOW PRESSURE SYSTEM TO
  OUR WEST...AND HIGH PRESSURE WEDGED INTO THE REGION FROM THE EAST.
  SOUTHERLY WINDS WILL REMAIN RATHER BREEZY INTO THIS EVENING...BUT
  SHOULD FALL BELOW ADVISORY CRITERIA BY 7 PM.

* WINDS: SUSTAINED SOUTH WINDS OF 20 TO 30 MPH ARE EXPECTED WITH
  OCCASIONAL WIND GUSTS AROUND 35 MPH.

* IMPACTS: GUSTS OF 35 TO 40 MPH OCCASIONALLY BRING DOWN LARGE LIMBS
  AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY DAMAGE.
  VEHICLES TRAVELING IN EAST OR WEST DIRECTIONS WILL BE ESPECIALLY
  SUSCEPTIBLE TO STRONG CROSS WINDS THIS LATE THIS MORNING AND
  AFTERNOON. WATER CONDITIONS ON LARGER LAKES AND RIVERS WILL BECOME
  VERY ROUGH AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

19
2 follow-up statements
676 
WWUS74 KJAN 251804
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
104 PM CDT MON APR 25 2011

...WINDY CONDITIONS OCCURRING ACROSS WESTERN PORTIONS OF THE AREA
TODAY...

ARZ074-075-LAZ007>009-015-016-MSZ018-019-025-034-035-040-041-047-
260000-
/O.CON.KJAN.WI.Y.0010.000000T0000Z-110426T0000Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-
ISSAQUENA-SHARKEY-WARREN-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...
GREENVILLE...BELZONI...ISOLA...MAYERSVILLE...ROLLING FORK...
ANGUILLA...VICKSBURG
104 PM CDT MON APR 25 2011

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* TIMING: SOUTHERLY WINDS WILL CONTINUE TO BE GUSTY THROUGH THIS
  AFTERNOON AS THE PRESSURE GRADIENT OVER THE AREA TIGHTENS IN
  RESPONSE TO A STRENGTHENING LOW PRESSURE SYSTEM TO OUR WEST...AND
  HIGH PRESSURE WEDGED INTO THE REGION FROM THE EAST. SOUTHERLY WINDS
  WILL REMAIN RATHER BREEZY INTO THIS EVENING...BUT SHOULD FALL BELOW
  ADVISORY CRITERIA BY 7 PM.

* WINDS: SUSTAINED SOUTH WINDS OF 20 TO 30 MPH ARE EXPECTED WITH 
  OCCASIONAL WIND GUSTS AROUND 35 MPH. 

* IMPACTS: GUSTS OF 35 TO 40 MPH OCCASIONALLY BRING DOWN LARGE 
  LIMBS AND ROTTED TREES CAUSING SERIOUS INJURY AND PROPERTY 
  DAMAGE. VEHICLES TRAVELING IN EAST OR WEST DIRECTIONS WILL BE 
  ESPECIALLY SUSCEPTIBLE TO STRONG CROSS WINDS THIS LATE THIS 
  MORNING AND AFTERNOON. WATER CONDITIONS ON LARGER LAKES AND 
  RIVERS WILL BECOME VERY ROUGH AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

50
618 
WWUS74 KJAN 260011 AAA
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
711 PM CDT MON APR 25 2011



ARZ074-075-LAZ007>009-015-016-MSZ018-019-025-034-035-040-041-047-
260115-
/O.EXP.KJAN.WI.Y.0010.000000T0000Z-110426T0000Z/
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-
MADISON LA-BOLIVAR-SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-
ISSAQUENA-SHARKEY-WARREN-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...BASTROP...
OAK GROVE...EPPS...LAKE PROVIDENCE...RAYVILLE...DELHI...
TALLULAH...CLEVELAND...INDIANOLA...RULEVILLE...GREENWOOD...
GREENVILLE...BELZONI...ISOLA...MAYERSVILLE...ROLLING FORK...
ANGUILLA...VICKSBURG
711 PM CDT MON APR 25 2011

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 


$$

17

Nearby

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