Alert archive / Louisiana / Flash Flood Warnings in 2016
Flash Flood Warning 49, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Mar 12, 2016, 4:44 PM CST for LaSalle Parish, Louisiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2016, 4:44 PM CST (22:44 UTC)
- Expired
- Mar 12, 2016, 7:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
County LaSalle Parish, LA
The radar
The Ft Polk radar (KPOE), 85 km from the middle of the area, began a volume at 22:44 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
Shreveport, LA (KBAD), launched 12:00Z, 10.7 hours before the alert went out and 177 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- -73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
587
WGUS54 KSHV 122244
FFWSHV
LAC059-130145-
/O.NEW.KSHV.FF.W.0049.160312T2244Z-160313T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
444 PM CST SAT MAR 12 2016
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LA SALLE PARISH IN NORTH CENTRAL LOUISIANA...
* UNTIL 745 PM CST
* AT 442 PM CST...DOPPLER RADAR INDICATED A MODERATE RAINTHAT WILL
BE ENDING WITH FLASH FLOODING CONTINUEING DUE TO PREVIOUS
RAIFNALL.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JENA...OLLA...MIDWAY...URANIA...TULLOS...CATAHOULA LAKE...STANDARD...
BURLINGTON...ZENORIA...ROGERS AND NEBO.
ADDITIONAL RAINFALL AMOUNTS OF ONE HALF INCH POSSIBLE IN THE WARNED
AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ENCOUNTER FLOODED ROADS...TURN AROUND...DON'T DROWN! MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3133 9201 3134 9204 3132 9208 3136 9208
3141 9215 3147 9216 3149 9221 3148 9225
3151 9225 3149 9227 3159 9231 3162 9237
3163 9235 3163 9237 3169 9235 3171 9237
3176 9234 3181 9236 3193 9231 3193 9201
$$
06The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 11, 6:20 PM CST | Flash Flood Warning | SHV | Bienville, Caldwell, Claiborne, Jackson, Lincoln, Ouachita and 1 more | 28 hr |
| Mar 12, 1:19 AM CST | Flash Flood Warning | SHV | Bossier, Caddo, De Soto, Red River, Webster | 18 hr |
| Mar 12, 11:13 AM CST | River Flood Warning | SHV | Caldwell, Ouachita | 44 days |
| Mar 12, 12:32 PM CST | Areal Flood Advisory | SHV | De Soto, Natchitoches, Sabine | 3 hr |
| Mar 12, 2:20 PM CST | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Jackson, Lincoln, Ouachita, Union and 1 more | 40 min |
| Mar 12, 2:21 PM CST | Special Weather Statement | SHV | Webster | 39 min |
| Mar 12, 2:43 PM CST | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Lincoln, Union, Webster | 32 min |
Nearby
Flash Flood Warnings in Louisiana, 2016Every flash flood warning in 2016
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.