Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Shreveport, LA

June 9, 2021Ouachita Parish, Louisiana

NWS Shreveport, LA issued this special weather statement at Jun 9, 2021, 3:41 PM CDT for Ouachita Parish, Louisiana. It was in force for 49 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: Jun 9, 2021, 3:41 PM CDT (20:41 UTC)
Expired: Jun 9, 2021, 4:30 PM CDT
In force: 49 min
Issued by: NWS Shreveport, LA

County Ouachita Parish, LA

The radar

The Shreveport radar (KSHV), 178 km from the middle of the area, began a volume at 20:41 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

Shreveport, LA (KSHV), launched 12:00Z, 8.7 hours before the alert went out and 169 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: 2261 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 668 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before this special weather statement went out at Jun 9, 2:29 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jun 9, 2:29 PM CDT, 1 hour 12 minutes before

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Hazardous weather outlook, Jun 9, 1:02 PM CDT, 2 hours 39 minutes before

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In the hours before

Local storm report, Jun 9, 10:39 AM CDT, 5 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1039 AM CDT WED JUN 9 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     TSTM WND DMG     6 S SHREVEPORT          32.39N 93.78W
06/07/2021                   CADDO              LA   TRAINED SPOTTER

            DAMAGE TO SEVERAL HOMES RESULTING FROM
            NUMEROUS FALLEN TREES, INCLUDING OAK AND
            APPROX 80 FT PINE.

&&

SP

Special weather statement, Jun 9, 3:41 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 12:55 PM CDT	Flash Flood Watch	SHV	Claiborne, Lincoln, Ouachita, Union	21 hr
Jun 9, 4:23 PM CDT	Flash Flood Warning	SHV	Ouachita	3 hr
Jun 9, 6:02 PM CDT	Special Weather Statement	SHV	Caldwell	43 min

Nearby

Special Weather Statements in Louisiana, 2021 Every special weather statement in 2021

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.