Alert archive / Louisiana / Flash Flood Warnings in 2021
Flash Flood Warning 24, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jul 2, 2021, 8:10 AM CDT for Ouachita Parish, Union Parish, Louisiana. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 2, 2021, 8:10 AM CDT (13:10 UTC)
- Expired
- Jul 2, 2021, 11:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Ouachita Parish, LA, Union Parish, LA
The radar
The Shreveport radar (KSHV), 152 km from the middle of the area, began a volume at 13:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 8:15 AM CDT | FLASH FLOOD | West Monroe, LA | SEVERAL REPORTS AND SOCIAL MEDIA PICTURES OF FLOODING IN WEST MONROE ON MCMILLIAN ROAD AND AROUND THE NORTH 7TH STREET INTERSECTION NEAR STELLA AND MILL STREETS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 1.2 hours before the alert went out and 144 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
- 1045 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
909
WGUS54 KSHV 021310
FFWSHV
LAC073-111-021615-
/O.NEW.KSHV.FF.W.0024.210702T1310Z-210702T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Shreveport LA
810 AM CDT Fri Jul 2 2021
The National Weather Service in Shreveport has issued a
* Flash Flood Warning for...
Central Ouachita Parish in north central Louisiana...
Southeastern Union Parish in north central Louisiana...
* Until 1115 AM CDT.
* At 810 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. The expected rainfall rate is 1
to 2 inches in 1 hour. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Monroe, Claiborne, West Monroe, Brownsville-Bawcomville,
Brownsville-Bawcom, Richwood, Lapine, Drew, Cheniere, Fondale,
Pine Grove, Luna and Folksville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3258 9226 3259 9225 3260 9222 3265 9209
3232 9202 3229 9230 3254 9234
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
12Nearby
Flash Flood Warnings in Louisiana, 2021Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.