Alert archive / Mississippi / Wind Advisories in 2018

Wind Advisory 2, NWS Jackson, MS

March 27, 20185 counties in Mississippi

NWS Jackson, MS issued this wind advisory at Mar 27, 2018, 3:33 AM CDT for 5 counties in Mississippi. It took effect at Mar 27, 2018, 7:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Mar 27, 2018, 3:33 AM CDT (08:33 UTC)
In effect from
Mar 27, 2018, 7:00 AM CDT
Expired
Mar 27, 2018, 5:00 PM CDT
In force
10 hr
Issued by
NWS Jackson, MS

Counties Bolivar County, MS, Humphreys County, MS, Leflore County, MS, Sunflower County, MS, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 146 km from the middle of the area, began a volume at 08:35 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, 8.6 hours before the alert went out and 139 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 2018-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2018-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 square meters per square second.193958Sfc1 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
4 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

153 
WWUS74 KJAN 270833
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
333 AM CDT Tue Mar 27 2018

...Strong Winds Across the MS Delta...


MSZ018-019-025-034-035-271645-
/O.NEW.KJAN.WI.Y.0002.180327T1200Z-180327T2200Z/
Bolivar-Sunflower-Leflore-Washington-Humphreys-
Including the cities of Cleveland, Indianola, Ruleville, 
Greenwood, Greenville, Belzoni, and Isola
333 AM CDT Tue Mar 27 2018

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 5 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 5 PM CDT
this afternoon. 

* TIMING... 7 am CDT this morning to 5 pm CDT this afternoon

* WINDS...sustained winds of 20 to 30 mph.

* IMPACTS...Light unsecured outdoor items will be vulnerable to
  the wind. In addition travelers on east to west roadways will
  find driving difficult at times...especially high profile 
  vehicles.

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 40 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
054 
WWUS74 KJAN 271538
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
1038 AM CDT Tue Mar 27 2018

...Strong Winds Across the MS Delta...

MSZ018-019-025-034-035-272200-
/O.CON.KJAN.WI.Y.0002.000000T0000Z-180327T2200Z/
Bolivar-Sunflower-Leflore-Washington-Humphreys-
Including the cities of Cleveland, Indianola, Ruleville, 
Greenwood, Greenville, Belzoni, and Isola
1038 AM CDT Tue Mar 27 2018

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

* TIMING... 7 AM CDT to 5 PM CDT today.

* WINDS...Sustained winds of 20 to 30 mph, gusting between 35 and
  40 mph at times. 

* IMPACTS...Light unsecured outdoor items will be vulnerable to 
  the wind. In addition travelers on east to west roadways will 
  find driving difficult at times...especially high profile 
  vehicles. 

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 40 mph occasionally bring down large limbs and rotted trees
causing serious injury and property damage. Exercise caution when
outdoors during these conditions.

&&

$$

19

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 11:00 AM CDTRiver Flood WarningJANCarroll, Leflore48 hr
Mar 27, 11:07 AM CDTRiver Flood WarningJANSharkey6 days
Mar 27, 11:26 AM CDTRiver Flood WarningJANAttala, Holmes8 days
Mar 27, 2:56 PM CDTFlash Flood WatchJANAdams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 15 more46 hr

Nearby

Wind Advisories in Mississippi, 2018Every wind advisory in 2018

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.