Alert archive / Louisiana / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, MS

October 27, 2021Franklin Parish, Morehouse Parish, Richland Parish, Louisiana

NWS Jackson, MS issued this special weather statement at Oct 27, 2021, 3:01 PM CDT for Franklin Parish, Morehouse Parish, Richland Parish, Louisiana. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 27, 2021, 3:01 PM CDT (20:01 UTC)
Expired
Oct 27, 2021, 3:45 PM CDT
In force
44 min
Issued by
NWS Jackson, MS
Hail
0.00 in
Wind
40

Counties Franklin Parish, LA, Morehouse Parish, LA, Richland Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 172 km from the middle of the area, began a volume at 20:02 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, 8.0 hours before the alert went out and 162 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 2021-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2345 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

959 
WWUS84 KJAN 272001
SPSJAN

Special Weather Statement
National Weather Service Jackson MS
301 PM CDT Wed Oct 27 2021
 
LAZ007-008-015-023-272045-
Morehouse LA-Richland LA-West Carroll LA-Franklin LA-
301 PM CDT Wed Oct 27 2021

...Strong thunderstorms will impact portions of Morehouse, Richland,
southwestern West Carroll and Franklin Parishes through 345 PM CDT...

At 301 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Swartz to 6 miles south of Buckner to near
Enterprise. Movement was northeast at 40 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Strong thunderstorms will be near...
  Start around 305 PM CDT.
  Alto around 315 PM CDT.
  Mangham, Archibald and Jigger around 320 PM CDT.
  Winnsboro and Rayville around 330 PM CDT.
  Galion around 335 PM CDT.
  Holly Ridge and Goodwill around 340 PM CDT.
  Delhi, Crowville, Warden and Bakers around 345 PM CDT.

Other locations impacted by these storms include Baskin, Perryville,
Collinston, Mer Rouge, Gilbert, Bonita and Oak Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
Louisiana.

&&

LAT...LON 3280 9205 3301 9191 3301 9154 3236 9145
      3225 9156 3224 9151 3221 9155 3220 9149
      3216 9149 3193 9182 3197 9189 3207 9193
      3209 9187 3216 9189 3220 9200 3236 9201
      3252 9190 3266 9191 3271 9204 3270 9205
TIME...MOT...LOC 2001Z 226DEG 35KT 3255 9196 3221 9193 3196 9194 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

DC

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 27, 2:30 PM CDTSevere Thunderstorm WarningJANAdams75 min
Oct 27, 3:38 PM CDTSevere Thunderstorm WarningJANAdams, Franklin, Jefferson67 min
Oct 27, 4:16 PM CDTSevere Thunderstorm WarningJANClaiborne44 min
Oct 27, 4:45 PM CDTSevere Thunderstorm WarningJANLincoln45 min
Oct 27, 5:16 PM CDTSpecial Weather StatementJANCopiah, Hinds, Jefferson Davis, Lawrence, Rankin, Simpson74 min
Oct 27, 6:08 PM CDTSpecial Weather StatementJANForrest, Lamar, Marion67 min
Oct 27, 2:11 PM CDTSpecial Weather StatementJANConcordia34 min
Oct 27, 2:52 PM CDTTornado Warning Tornado observedJANConcordia16 min

Nearby

Special Weather Statements in Louisiana, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.