Alert archive / Louisiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 348, NWS Shreveport, LA

June 17, 2023Bossier Parish, Webster Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 17, 2023, 7:20 PM CDT for Bossier Parish, Webster Parish, Louisiana. It was in force for 55 min. 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 17, 2023, 7:20 PM CDT (00:20 UTC)
Expired
Jun 17, 2023, 8:15 PM CDT
In force
55 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.75 in
Wind
60.0 mph

Counties Bossier Parish, LA, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 44 km from the middle of the area, began a volume at 00:24 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 00:00Z, 0.3 hours before the alert went out and 36 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2023-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5228 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2023-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
5228 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
936 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
21.2

Open this sounding in Storm Lab

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 17, 3:45 PM CDT, 3 hours 35 minutes earlier.

Area forecast discussion, Jun 17, 3:45 PM CDT, 3 hours 35 minutes before
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Hazardous weather outlook, Jun 17, 2:15 PM CDT, 5 hours 5 minutes before
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In the hours before

Local storm report, Jun 17, 6:18 PM CDT, 1 hour 2 minutes before
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Local storm report, Jun 17, 6:31 PM CDT, 49 minutes before
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Local storm report, Jun 17, 6:58 PM CDT, 22 minutes before
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Local storm report, Jun 17, 6:58 PM CDT, 22 minutes before
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Local storm report, Jun 17, 7:05 PM CDT, 15 minutes before
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The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 11:59 PM CDTSevere Thunderstorm WarningSHVBowie, Red River61 min
Jun 18, 12:49 AM CDTSevere Thunderstorm Warning Considerable damage threatSHVBowie56 min
Jun 18, 3:17 AM CDTExcessive Heat WarningSHVAngelina, Cherokee, Nacogdoches, Sabine, San Augustine, Shelby17 hr
Jun 18, 3:17 AM CDTHeat AdvisorySHVGregg, Harrison, Marion, Panola, Rusk, Smith and 2 more17 hr
Jun 18, 3:35 AM CDTSevere Thunderstorm WarningSHVBowie, Red River40 min
Jun 18, 4:07 AM CDTSpecial Weather StatementSHVCamp, Franklin, Morris, Titus53 min
Jun 18, 4:13 AM CDTSevere Thunderstorm WarningSHVBowie, Cass62 min
Jun 18, 4:39 AM CDTSevere Thunderstorm WarningSHVBowie, Cass, Morris36 min
Jun 18, 4:50 AM CDTSevere Thunderstorm WarningSHVBowie, Cass, Morris, Red River, Titus24 min
Jun 18, 5:13 AM CDTSevere Thunderstorm WarningSHVCass47 min
Jun 18, 6:14 AM CDTSevere Thunderstorm WarningSHVBowie, Red River46 min
Jun 18, 6:51 AM CDTSevere Thunderstorm WarningSHVBowie, Franklin, Morris, Red River, Titus54 min
Jun 18, 7:24 AM CDTSpecial Weather StatementSHVBowie, Cass, Morris36 min
Jun 18, 7:47 AM CDTSevere Thunderstorm WarningSHVCass43 min
Jun 18, 9:14 AM CDTSevere Thunderstorm WarningSHVHarrison, Marion46 min
Jun 18, 2:40 PM CDTExcessive Heat WarningSHVAngelina, Cherokee, Gregg, Nacogdoches, Panola, Rusk and 5 more29 hr
Jun 18, 2:40 PM CDTHeat AdvisorySHVCamp, Cass, Franklin, Harrison, Marion, Morris and 2 more29 hr
Jun 17, 7:56 PM CDTSevere Thunderstorm WarningSHVClaiborne, Webster64 min
Jun 17, 8:36 PM CDTSevere Thunderstorm Warning Considerable damage threatSHVClaiborne, Union54 min
Jun 17, 9:31 PM CDTSpecial Weather StatementSHVUnion59 min
Jun 17, 9:32 PM CDTSpecial Weather StatementSHVUnion43 min
Jun 18, 3:12 AM CDTSevere Thunderstorm WarningSHVUnion33 min
Jun 18, 5:50 AM CDTSevere Thunderstorm WarningSHVBossier, Caddo, Claiborne, Webster40 min
Jun 18, 6:24 AM CDTSevere Thunderstorm WarningSHVClaiborne, Lincoln, Union66 min
Jun 18, 8:24 AM CDTSevere Thunderstorm WarningSHVBossier, Caddo, Claiborne, Union, Webster35 min
Jun 18, 9:48 AM CDTSevere Thunderstorm Warning Considerable damage threatSHVBienville, Bossier, Claiborne, Webster25 min
Jun 18, 10:04 AM CDTSpecial Weather StatementSHVLincoln41 min
Jun 17, 10:12 PM CDTSevere Thunderstorm WarningSHVHempstead, Howard, Little River, Nevada, Sevier34 min
Jun 17, 11:47 PM CDTSpecial Weather StatementSHVSevier28 min
Jun 18, 12:15 AM CDTSpecial Weather StatementSHVHempstead30 min
Jun 18, 12:37 AM CDTSevere Thunderstorm WarningSHVHempstead, Nevada38 min
Jun 18, 12:57 AM CDTTornado WarningSHVNevada14 min
Jun 18, 1:21 AM CDTSevere Thunderstorm Warning Considerable damage threatSHVHempstead, Howard, Little River, Nevada54 min
Jun 18, 1:42 AM CDTSevere Thunderstorm Warning Destructive damage threatSHVHempstead, Nevada48 min
Jun 18, 4:37 AM CDTSevere Thunderstorm WarningSHVUnion23 min
Jun 18, 5:19 AM CDTSevere Thunderstorm WarningSHVColumbia, Hempstead, Lafayette, Miller, Nevada, Union34 min
Jun 18, 5:31 AM CDTSpecial Weather StatementSHVSevier44 min
Jun 18, 6:02 AM CDTSevere Thunderstorm WarningSHVLittle River, Sevier58 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2023Every severe thunderstorm warning in 2023

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.