Alert archive / Mississippi / Special Weather Statements in 2019

Special Weather Statement, NWS New Orleans, LA

August 21, 2019Pearl River County, Mississippi

NWS New Orleans, LA issued this special weather statement at Aug 21, 2019, 2:08 AM CDT for Pearl River County, Mississippi. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 21, 2019, 2:08 AM CDT (07:08 UTC)
Expired
Aug 21, 2019, 3:00 AM CDT
In force
52 min
Issued by
NWS New Orleans, LA

County Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.1 hours before the alert went out and 49 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, Slidell Radar S, LA at 00:00Z on 2019-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1040 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, Slidell Radar S, LA at 00:00Z on 2019-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1040 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1061 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

960 
WWUS84 KLIX 210708
SPSLIX

Special Weather Statement
National Weather Service New Orleans LA
208 AM CDT Wed Aug 21 2019

MSZ077-080-210800-
Hancock-Pearl River-
208 AM CDT Wed Aug 21 2019

...A HEAVY RAIN SHOWER WILL AFFECT NORTH CENTRAL HANCOCK AND 
SOUTHEASTERN PEARL RIVER COUNTIES...

At 206 AM CDT, a heavy rain shower was located near Mcneil, or 10 
miles northeast of Picayune. The shower is nearly stationary.

Locations impacted include...
Picayune and Mcneil. 

Torrential rainfall is occurring with this shower, and may cause 
localized flooding. Do not drive your vehicle through flooded 
roadways.

LAT...LON 3076 8944 3056 8946 3054 8973 3076 8972
TIME...MOT...LOC 0706Z 084DEG 4KT 3065 8956 

$$

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 2:14 AM CDTSpecial Weather StatementLIXSaint Tammany61 min
Aug 21, 10:08 AM CDTSpecial Weather StatementLIXSaint Tammany22 min
Aug 21, 10:34 AM CDTSpecial Weather StatementLIXSaint Charles26 min
Aug 21, 1:12 PM CDTSpecial Weather StatementLIXWashington33 min
Aug 21, 1:21 PM CDTAreal Flood AdvisoryLIXWashington87 min
Aug 21, 1:45 PM CDTSpecial Weather StatementLIXWashington30 min
Aug 21, 1:52 PM CDTSpecial Weather StatementLIXSaint Tammany23 min
Aug 21, 2:27 PM CDTSpecial Weather StatementLIXEast Baton Rouge33 min
Aug 21, 2:28 PM CDTSpecial Weather StatementLIXTangipahoa32 min
Aug 21, 2:45 PM CDTSpecial Weather StatementLIXLivingston30 min
Aug 21, 3:04 PM CDTAreal Flood AdvisoryLIXEast Baton Rouge, Livingston, Saint Helena, Tangipahoa56 min
Aug 21, 3:25 PM CDTSpecial Weather StatementLIXEast Baton Rouge35 min
Aug 21, 11:42 AM CDTSpecial Weather StatementLIXWalthall33 min
Aug 21, 12:20 PM CDTSpecial Weather StatementLIXPearl River25 min
Aug 21, 12:43 PM CDTSpecial Weather StatementLIXPearl River32 min
Aug 21, 1:53 PM CDTSpecial Weather StatementLIXAmite37 min

Nearby

Special Weather Statements in Mississippi, 2019Every special weather statement in 2019

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.