Alert archive / Louisiana / Flash Flood Warnings in 1997
Flash Flood Warning 58, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Jun 9, 1997, 6:29 PM CDT for Caddo 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 counties it named.
The facts
- Issued
- Jun 9, 1997, 6:29 PM CDT (23:29 UTC)
- Expired
- Jun 9, 1997, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Caddo Parish, LA
The radar
The Shreveport radar (KSHV), 15 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 17 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
- 1351 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning 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 flash flood warning went out at Jun 9, 2:00 PM CDT, 4 hours 29 minutes earlier.
Area forecast discussion, Jun 9, 2:00 PM CDT, 4 hours 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 200 PM CDT MON JUN 9 1997 ALL NUMERICAL MODELING RESULTS SHOW THE OLD SWRN TROF CONTINUING TO MOV E UNDERCUTTING CNTRL NOAM RDG AND WILL PROVIDE FA WITH YET ANOTHER SOURCE OF PVA AND CONSEQUENTLY UPWARD VERTICAL MOTION THROUGH TUE NIGHT. ALTHOUGH NGM IS SLIGHTLY FASTER WITH THE MOVMT OF THIS FEATURE...BELIEVE ETA AND AVN ARE MORE CORRECT AS THIS SHORT WAVE TROF WILL BE SLOW TO MOV THROUGH FA AS IT UNDERCUTS RDG. CURRENT SHORT WAVE TROF CAUSING TODAYS TSTMS EXPECTED TO MOV E AND CONTINUE TO PRODUCE SCT TO NMRS TSTMS OVER ERN FA THROUGH TONIGHT. SFC AND BOUNDARY LYR DEWPTS WILL REMAIN HIGH THROUGH WEDNESDAY...WITH SOME DRYING ABOVE BOUNDARY LYR AFTER TROF PASSAGE AND ASSOCIATED NVA. WILL CONTINUE TO MENTION SCT TSTMS THROUGH WED WITH DAYTIME HEATING AND CONTINUED MODERATELY UNSTABLE ATMOS. VIII. SHV 68/86/68/89 3322 MLU 70/84/68/87 5422
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 6:56 PM CDT | Flash Flood Warning | SHV | Columbia | 2 hr |
Nearby
Flash Flood Warnings in Louisiana, 1997Every flash flood warning in 1997
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.