Alert archive / Louisiana / Special Weather Statements in 2021
Special Weather Statement, NWS Lake Charles, LA
NWS Lake Charles, LA issued this special weather statement at Aug 2, 2021, 2:41 PM CDT for Lafayette 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
- Aug 2, 2021, 2:41 PM CDT (19:41 UTC)
- Expired
- Aug 2, 2021, 3:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Lake Charles, LA
County Lafayette Parish, LA
The radar
The Lake Charles radar (KLCH), 116 km from the middle of the area, began a volume at 19:44 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, 7.7 hours before the alert went out and 114 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
- 1654 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
209
WWUS84 KLCH 021941
SPSLCH
Special Weather Statement
National Weather Service Lake Charles LA
241 PM CDT Mon Aug 2 2021
LAZ044-045-022030-
Lafayette LA-Upper St. Martin LA-
241 PM CDT Mon Aug 2 2021
...TORRENTIAL RAINFALL WITH POTENTIAL FOR STREET FLOODING...
At 239 PM CDT, Doppler radar was tracking a strong thunderstorm near
Lafayette, moving east at 20 mph.
Winds in excess of 30 mph will be possible with this storm along
with high rainfall rates that may produce street flooding.
Locations impacted include...
Lafayette, Scott, Breaux Bridge, Carencro, Duson, Henderson, Cecilia
and Parks.
This includes the following highways...
Interstate 10 in Louisiana between mile markers 94 and 118.
Interstate 49 between mile markers 1 and 5.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3020 9178 3019 9219 3028 9216 3028 9215
3030 9214 3031 9213 3033 9209 3035 9178
TIME...MOT...LOC 1939Z 270DEG 10KT 3026 9199
$$
RuaThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 7:53 AM CDT | Special Marine Warning | LCH | 37 min | |
| Aug 2, 10:44 AM CDT | Special Weather Statement | LCH | Avoyelles | 31 min |
| Aug 2, 2:17 PM CDT | Special Weather Statement | LCH | Acadia, Allen | 43 min |
| Aug 2, 3:25 PM CDT | Special Weather Statement | LCH | Saint Martin | 50 min |
| Aug 2, 4:21 PM CDT | Special Marine Warning | LCH | 39 min | |
| Aug 2, 2:23 PM CDT | Special Weather Statement | LCH | Tyler | 37 min |
Nearby
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.