Alert archive / Mississippi / Wind Advisories in 2011

Wind Advisory 14, NWS Jackson, MS

November 3, 20119 counties in Mississippi; East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas

NWS Jackson, MS issued this wind advisory at Nov 3, 2011, 8:43 AM CDT for 9 counties in Mississippi; East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 3, 2011, 8:43 AM CDT (13:43 UTC)
Expired
Nov 3, 2011, 3:30 PM CDT
In force
7 hr
Issued by
NWS Jackson, MS

Counties Chicot County, AR, East Carroll Parish, LA, West Carroll Parish, LA, Bolivar County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Leflore County, MS, Sharkey County, MS, Sunflower County, MS, Washington County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 122 km from the middle of the area, began a volume at 13:44 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 12:00Z, 1.7 hours before the alert went out and 113 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 12:00Z on 2011-11-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 12:00Z on 2011-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 495 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
10 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
495 m²/s²
0-3 km storm-relative helicity
511 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.

938 
WWUS74 KJAN 031343
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
843 AM CDT THU NOV 3 2011

...WIND ADVISORY ISSUED FOR THE DELTA REGION FOR TODAY...

ARZ075-LAZ008-009-MSZ018-019-025-034>036-040>042-032145-
/O.NEW.KJAN.WI.Y.0014.111103T1343Z-111103T2200Z/
CHICOT-WEST CARROLL-EAST CARROLL-BOLIVAR-SUNFLOWER-LEFLORE-
WASHINGTON-HUMPHREYS-HOLMES-ISSAQUENA-SHARKEY-YAZOO-
INCLUDING THE CITIES OF...DERMOTT...LAKE VILLAGE...EUDORA...
OAK GROVE...EPPS...LAKE PROVIDENCE...CLEVELAND...INDIANOLA...
RULEVILLE...GREENWOOD...GREENVILLE...BELZONI...ISOLA...DURANT...
TCHULA...LEXINGTON...PICKENS...GOODMAN...MAYERSVILLE...
ROLLING FORK...ANGUILLA...YAZOO CITY
843 AM CDT THU NOV 3 2011

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

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

THE PRESSURE DIFFERENCE BETWEEN DEVELOPING HIGH PRESSURE TO OUR WEST
AND THE COLD FRONT THAT WILL TRACK ACROSS THE AREA TODAY WILL RESULT
IN GUSTY NORTHWEST WIND ACROSS THE AREA. WIND SPEEDS WILL BE HIGHEST
IN THE DELTA REGION TODAY.

* TIMING: GUSTY NORTHWEST WIND WILL BE ONGOING ACROSS THE DELTA
  REGION THIS MORNING AND WILL CONTINUE THROUGH THE AFTERNOON.

* WINDS: 20 TO 30 MPH NORTHWEST WIND CAN BE EXPECTED WITH HIGHER
  GUSTS AROUND 40 MPH.

* IMPACTS: GUSTY WINDS MAY BRING DOWN TREES AND LARGE
  LIMBS...ESPECIALLY ROTTING TREES. DRIVING MAY BECOME
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 25 MPH ARE EXPECTED. USE EXTRA
CAUTION WHEN DRIVING...ESPECIALLY WHEN DRIVING HIGH PROFILE VEHICLES. 
LIGHTER ITEMS MAY ALSO NEED TO BE SECURED.
&&

$$
1 follow-up statement
195 
WWUS74 KJAN 032030
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
330 PM CDT THU NOV 3 2011


ARZ075-LAZ008-009-MSZ018-019-025-034>036-040>042-032130-
/O.CAN.KJAN.WI.Y.0014.000000T0000Z-111103T2200Z/
CHICOT-WEST CARROLL-EAST CARROLL-BOLIVAR-SUNFLOWER-LEFLORE-
WASHINGTON-HUMPHREYS-HOLMES-ISSAQUENA-SHARKEY-YAZOO-
INCLUDING THE CITIES OF...DERMOTT...LAKE VILLAGE...EUDORA...
OAK GROVE...EPPS...LAKE PROVIDENCE...CLEVELAND...INDIANOLA...
RULEVILLE...GREENWOOD...GREENVILLE...BELZONI...ISOLA...DURANT...
TCHULA...LEXINGTON...PICKENS...GOODMAN...MAYERSVILLE...
ROLLING FORK...ANGUILLA...YAZOO CITY
330 PM CDT THU NOV 3 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS CANCELLED THE WIND
ADVISORY AS WINDS ACROSS THE DELTA REGION HAVE WEAKEND TO BELOW WIND
ADVISORY CRITERIA. HOWEVER...BREEZY NORTHWEST WINDS SUSTAINED
BETWEEN 15 AND 20 MPH...ALONG WITH A FEW GUSTS AROUND 25 MPH...WILL
REMAIN POSSIBLE OVER THE NEXT FEW HOURS. THESE WINDS WILL THEN WEAKEN
THROUGH THE EVENING HOURS.

$$

19

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.