Alert archive / Louisiana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 4, NWS Shreveport, LA

January 9, 20224 parishes in Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jan 9, 2022, 6:41 AM CST for 4 parishes in Louisiana. It was in force for 49 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
Jan 9, 2022, 6:41 AM CST (12:41 UTC)
Expired
Jan 9, 2022, 7:30 AM CST
In force
49 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Caldwell Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Winn Parish, LA

The radar

The Ft Polk radar (KPOE), 94 km from the middle of the area, began a volume at 12:40 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

Jackson, MS (KJAN), launched 12:00Z, 0.7 hours before the alert went out and 222 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, Jackson, MS at 12:00Z on 2022-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 423 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, Jackson, MS at 12:00Z on 2022-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 square meters per square second.193958Sfc1 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
423 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
516 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
452 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.2

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 Jan 9, 6:08 AM CST, 33 minutes earlier.

Area forecast discussion, Jan 9, 6:08 AM CST, 33 minutes before
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Hazardous weather outlook, Jan 8, 10:25 PM CST, 8 hours 16 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Shreveport LA
1025 PM CST Sat Jan 8 2022

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-
TXZ096-097-108>112-124>126-136>138-149>153-165>167-091100-
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-
Grant-Caldwell-La Salle-McCurtain-Bowie-Franklin-Titus-Camp-
Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-
Panola-Nacogdoches-Shelby-Angelina-San Augustine-
1025 PM CST Sat Jan 8 2022

This Hazardous Weather Outlook is for portions of south central
Arkansas, southwest Arkansas, north central Louisiana, northwest
Louisiana, southeast Oklahoma, east Texas and northeast Texas.

.DAY ONE...Tonight...

Thunderstorms will continue tonight across the area tonight,
especially across Louisiana and Deep East Texas south of a line
from Jacksonville Texas to Columbia Louisiana. A few storms south
of this line could also be severe. Isolated tornadoes, damaging
winds, and small hail will be possible. In addition, locally heavy
rainfall could lead to isolated flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

Thunderstorms will be ongoing early Sunday, and a few storms could
be severe, mainly across Central and Northeast Louisiana.
Damaging winds and isolated tornadoes will be the primary threats.
The severe weather threat should end by early Sunday evening.

.SPOTTER INFORMATION STATEMENT...

Activation of emergency management personnel, amateur radio
operators, and storm spotters may be needed tonight and into
Sunday.

09

In the hours before

Special weather statement, Jan 9, 3:01 AM CST, 3 hours 40 minutes before
Special Weather Statement
National Weather Service Shreveport LA
301 AM CST Sun Jan 9 2022

LAZ010-011-090945-
De Soto LA-Red River LA-
301 AM CST Sun Jan 9 2022

...A strong thunderstorm will impact portions of central De Soto and
northwestern Red River Parishes through 345 AM CST...

At 300 AM CST, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Mansfield, moving northeast at 30 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Mansfield, South Mansfield, Stanley, Carmel and Grand Bayou.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3196 9392 3224 9362 3224 9360 3205 9343
      3189 9386
TIME...MOT...LOC 0900Z 232DEG 27KT 3197 9383

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

13
Special weather statement, Jan 9, 3:02 AM CST, 3 hours 39 minutes before
Special Weather Statement
National Weather Service Shreveport LA
302 AM CST Sun Jan 9 2022

TXZ165>167-091000-
Sabine TX-Angelina TX-San Augustine TX-
302 AM CST Sun Jan 9 2022

...A strong thunderstorm will impact portions of eastern Angelina,
southeastern San Augustine and southern Sabine Counties through 400
AM CST...

At 302 AM CST, Doppler radar was tracking a strong thunderstorm near
Ebenezer, moving northeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Milam, Hemphill, Pineland, McElroy, Fairmount and Yellowpine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3112 9425 3145 9384 3120 9364 3117 9374
      3116 9391 3114 9404 3112 9404 3111 9406
      3108 9422
TIME...MOT...LOC 0902Z 237DEG 22KT 3109 9416

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

13
Local storm report, Jan 9, 5:46 AM CST, 55 minutes before
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Local storm report, Jan 9, 6:04 AM CST, 37 minutes before
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Local storm report, Jan 9, 6:33 AM CST, 8 minutes before
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Local storm report, Jan 9, 6:41 AM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 6:33 PM CSTSpecial Weather StatementSHVSan Augustine27 min
Jan 8, 11:42 PM CSTSpecial Weather StatementSHVSan Augustine48 min
Jan 9, 12:26 AM CSTSpecial Weather StatementSHVSabine64 min
Jan 9, 1:23 AM CSTSpecial Weather StatementSHVSabine52 min
Jan 9, 2:46 AM CSTFlash Flood WarningSHVAngelina, Sabine, San Augustine3 hr
Jan 9, 3:02 AM CSTSpecial Weather StatementSHVSabine58 min
Jan 9, 3:34 AM CSTTornado WarningSHVSabine, San Augustine26 min
Jan 9, 3:57 AM CSTTornado WarningSHVSabine48 min
Jan 9, 4:27 AM CSTTornado WarningSHVSabine48 min
Jan 9, 3:01 AM CSTSpecial Weather StatementSHVDe Soto44 min
Jan 9, 5:11 AM CSTTornado Warning Tornado observedSHVNatchitoches, Sabine49 min
Jan 9, 5:52 AM CSTSevere Thunderstorm WarningSHVGrant, Natchitoches38 min
Jan 9, 7:16 AM CSTSevere Thunderstorm WarningSHVCaldwell, LaSalle29 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2022Every severe thunderstorm warning in 2022

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.