Alert archive / Louisiana / Special Weather Statements in 2021
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Aug 24, 2021, 6:31 PM CDT for Sabine Parish, Louisiana. It was in force for 29 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 24, 2021, 6:31 PM CDT (23:31 UTC)
- Expired
- Aug 24, 2021, 7:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Shreveport, LA
- Hail
- 0.25 in
- Wind
- 30
County Sabine Parish, LA
The radar
The Ft Polk radar (KPOE), 64 km from the middle of the area, began a volume at 23:34 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.5 hours before the alert went out and 158 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.
- Mixed-layer CAPE
- 662 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1208 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted.
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</html>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 Aug 24, 3:03 PM CDT, 3 hours 28 minutes earlier.
Area forecast discussion, Aug 24, 3:03 PM CDT, 3 hours 28 minutes before
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</html>Hazardous weather outlook, Aug 24, 11:55 AM CDT, 6 hours 36 minutes before
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</html>In the hours before
Special weather statement, Aug 24, 6:31 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Shreveport LA
631 PM CDT Tue Aug 24 2021
LAZ017-250000-
Sabine LA-
631 PM CDT Tue Aug 24 2021
...A strong thunderstorm will impact portions of central Sabine
Parish through 700 PM CDT...
At 631 PM CDT, Doppler radar was tracking a strong thunderstorm over
Many, or 21 miles north of Anacoco. This storm was nearly stationary.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Many, Florien, Fisher, Negreet and Mount Carmel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3143 9359 3163 9360 3165 9335 3145 9336
TIME...MOT...LOC 2331Z 278DEG 1KT 3155 9345
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
05Nearby
Special Weather Statements in Louisiana, 2021Every 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.