Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 279, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jun 26, 1997, 4:57 PM CDT for Ouachita Parish, Louisiana. It was in force for 33 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 26, 1997, 4:57 PM CDT (21:57 UTC)
- Expired
- Jun 26, 1997, 5:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Ouachita Parish, LA
The radar
The Shreveport radar (KSHV), 158 km from the middle of the area, began a volume at 21:59 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 |
|---|---|---|---|
| Jun 26, 5:10 PM CDT | Hail 0.75 | Monroe, LA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.0 hours before the alert went out and 150 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
- 1277 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 872 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 severe thunderstorm 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 severe thunderstorm warning went out at Jun 26, 1:35 PM CDT, 3 hours 22 minutes earlier.
Area forecast discussion, Jun 26, 1:35 PM CDT, 3 hours 22 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 130 PM CDT THU JUN 26 1997 SCT TSTMS FORMING IN UNSTABLE AIR ACRS EAST TX AND CNTRL LA. EXPECT ACTIVITY IN EAST TX TO INCREASE IN STNRY PVA AND INTERACT WITH SE MOVG OUTFLOW BNDRYS FM OVERNIGHT CONVECTION TO THE NORTH OF AREA. OLD 09Z RUC MORE IN LINE WITH NGM/AVN CONCERNING ENHANCED VV`S AT 00Z. ACTIVITY GRADUALLY DIMINISH BY LATE EVE. MORE TRANQUIL PTN IN STORE NEXT FEW DAYS WITH RI DGE BLDG IN NORTHERN MX. HOWEVER...AVN PULLING WK VORT LOBE THRU AREA FRI NITE. SHV 71/92/71/92 3322 MLU 72/90/71/89 1433 VII
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 4:23 PM CDT | Severe Thunderstorm Warning | SHV | Lincoln | 52 min |
| Jun 26, 6:15 PM CDT | Severe Thunderstorm Warning | SHV | Bossier | 45 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1997Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.