Alert archive / Mississippi / Wind Advisories in 2012

Wind Advisory 8, NWS Jackson, MS

October 14, 2012Bolivar County, Sunflower County, Washington County, Mississippi; Chicot County, Arkansas

NWS Jackson, MS issued this wind advisory at Oct 14, 2012, 3:26 AM CDT for Bolivar County, Sunflower County, Washington County, Mississippi; Chicot County, Arkansas. It took effect at Oct 14, 2012, 7:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 14, 2012, 3:26 AM CDT (08:26 UTC)
In effect from
Oct 14, 2012, 7:00 AM CDT
Expired
Oct 14, 2012, 4:00 PM CDT
In force
9 hr
Issued by
NWS Jackson, MS

Counties Chicot County, AR, Bolivar County, MS, Sunflower County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 161 km from the middle of the area, began a volume at 08:28 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, 8.4 hours before the alert went out and 152 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 2012-10-14Temperature 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, Jackson, MS at 00:00Z on 2012-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1348 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
59 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.

299 
WWUS74 KJAN 140826
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
326 AM CDT SUN OCT 14 2012

...WIND ADVISORY FOR PORTIONS OF THE ARKLAMISS DELTA REGION...

ARZ075-MSZ018-019-034-141630-
/O.NEW.KJAN.WI.Y.0008.121014T1200Z-121014T2100Z/
CHICOT-BOLIVAR-SUNFLOWER-WASHINGTON-
INCLUDING THE CITIES OF...DERMOTT...LAKE VILLAGE...EUDORA...
CLEVELAND...INDIANOLA...RULEVILLE...GREENVILLE
326 AM CDT SUN OCT 14 2012

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM CDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM CDT
THIS AFTERNOON. 

SOUTHERLY WINDS WILL INCREASE AHEAD OF AN APPROACHING COLD FRONT
THIS MORNING AND REMAIN NEAR WIND ADVISORY CRITERIA UNTIL LATE THIS
AFTERNOON.

* WINDS: SOUTH WINDS OF 20 TO 30 MPH WILL GUST TO NEAR 40 MPH.

* IMPACTS: DRIVING WILL BE MORE DIFFICULT...PARTICULARLY ON EAST TO
  WEST ROUTES. HAZARDOUS CONDITIONS WILL EXIST FOR SMALL CRAFT ON
  OPEN WATER.

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.

&&

$$
2 follow-up statements
734 
WWUS74 KJAN 141728 AAB
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1228 PM CDT SUN OCT 14 2012

...WIND ADVISORY FOR PORTIONS OF THE ARKLAMISS DELTA REGION...

ARZ075-MSZ018-019-034-142100-
/O.CON.KJAN.WI.Y.0008.000000T0000Z-121014T2100Z/
CHICOT-BOLIVAR-SUNFLOWER-WASHINGTON-
INCLUDING THE CITIES OF...DERMOTT...LAKE VILLAGE...EUDORA...
CLEVELAND...INDIANOLA...RULEVILLE...GREENVILLE
1228 PM CDT SUN OCT 14 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

SOUTHERLY WINDS WILL REMAIN GUSTY UNTIL LATE THIS AFTERNOON.

* WINDS: SOUTH WINDS OF 20 TO 25 MPH GUSTING TO NEAR 35 MPH.

* IMPACTS: DRIVING WILL BE MORE DIFFICULT...PARTICULARLY ON EAST 
  TO WEST ROUTES. HAZARDOUS CONDITIONS WILL EXIST FOR SMALL 
  CRAFT ON OPEN WATER. 

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.

&&

$$

BK
625 
WWUS74 KJAN 142046
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
346 PM CDT SUN OCT 14 2012

ARZ075-MSZ018-019-034-142200-
/O.EXP.KJAN.WI.Y.0008.000000T0000Z-121014T2100Z/
CHICOT-BOLIVAR-SUNFLOWER-WASHINGTON-
INCLUDING THE CITIES OF...DERMOTT...LAKE VILLAGE...EUDORA...
CLEVELAND...INDIANOLA...RULEVILLE...GREENVILLE
346 PM CDT SUN OCT 14 2012

...WIND ADVISORY WILL EXPIRE AT 4 PM CDT THIS AFTERNOON...

THE WIND ADVISORY FOR PORTIONS OF THE DELTA WILL EXPIRE AT 4 PM CDT
THIS AFTERNOON.


$$

BK

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 14, 5:58 AM CDTSpecial Weather StatementJANBolivar62 min
Oct 14, 6:44 AM CDTSpecial Weather StatementJANBolivar31 min
Oct 14, 5:38 PM CDTSpecial Weather StatementJANWashington57 min

Nearby

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