Alert archive / Mississippi / Wind Advisories in 2017

Wind Advisory 9, NWS Jackson, MS

September 11, 201711 counties in Mississippi

NWS Jackson, MS issued this wind advisory at Sep 11, 2017, 4:15 AM CDT for 11 counties in Mississippi. It took effect at Sep 11, 2017, 3:00 PM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Sep 11, 2017, 4:15 AM CDT (09:15 UTC)
In effect from: Sep 11, 2017, 3:00 PM CDT
Expired: Sep 12, 2017, 1:00 AM CDT
In force: 10 hr
Issued by: NWS Jackson, MS

Counties Clarke County, MS, Clay County, MS, Jasper County, MS, Kemper County, MS, Lauderdale County, MS, Lowndes County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Winston County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 125 km from the middle of the area, began a volume at 09:20 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, 9.3 hours before the alert went out and 131 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2106 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

176 
WWUS74 KJAN 110915
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
415 AM CDT Mon Sep 11 2017

...Winds will increase in Eastern Mississippi on Monday...

MSZ030-031-033-038-039-045-046-051-052-057-058-112300-
/O.NEW.KJAN.WI.Y.0009.170911T2000Z-170912T0600Z/
Clay-Lowndes-Oktibbeha-Winston-Noxubee-Neshoba-Kemper-Newton-
Lauderdale-Jasper-Clarke-
Including the cities of West Point, Columbus, Starkville, 
Louisville, Macon, Brooksville, Philadelphia, Pearl River, 
De Kalb, Scooba, Newton, Union, Decatur, Conehatta, Meridian, 
Bay Springs, Heidelberg, Quitman, Stonewall, and Shubuta
415 AM CDT Mon Sep 11 2017

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM CDT
TUESDAY...

The National Weather Service in Jackson has issued a Wind
Advisory, which is in effect from 3 PM this afternoon to 1 AM CDT
Tuesday. 

* TIMING...Winds will begin to increase Monday afternoon

* WINDS...Sustained winds of 25-28 mph are possible with some
  gusts into the 30-35 mph range. 

* IMPACTS...Winds of these speeds are capable of snapping tree
  limbs and damaging unsecured outdoor items as well as making
  driving high profile vehicles difficult. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 25 mph are expected. Winds 
this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution when driving. Wind gusts of 30
to 35 mph occasionally bring down large limbs and rotted trees 
causing serious injury and property damage. Exercise caution when 
outdoors during these conditions.

&&

$$

1 follow-up statement

190 
WWUS74 KJAN 120544
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
1244 AM CDT Tue Sep 12 2017

...The wind advisory will expire at 1 AM...

MSZ030-031-033-038-039-045-046-051-052-057-058-120645-
/O.EXP.KJAN.WI.Y.0009.000000T0000Z-170912T0600Z/
Clay-Lowndes-Oktibbeha-Winston-Noxubee-Neshoba-Kemper-Newton-
Lauderdale-Jasper-Clarke-
Including the cities of West Point, Columbus, Starkville, 
Louisville, Macon, Brooksville, Philadelphia, Pearl River, 
De Kalb, Scooba, Newton, Union, Decatur, Conehatta, Meridian, 
Bay Springs, Heidelberg, Quitman, Stonewall, and Shubuta
1244 AM CDT Tue Sep 12 2017

...WIND ADVISORY WILL EXPIRE AT 1 AM CDT THIS MORNING...

The wind advisory will expire at 1 AM. Winds speeds have slowed
across the advisory area and will remain below advisory criteria
for the rest of the night. 

$$

Nearby

Wind Advisories in Mississippi, 2017 Every wind advisory in 2017

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.