Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 235, NWS Jackson, MS

June 14, 2021Simpson County, Smith County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 14, 2021, 5:04 PM CDT for Simpson County, Smith County, Mississippi. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 14, 2021, 5:04 PM CDT (22:04 UTC)
Expired
Jun 14, 2021, 5:45 PM CDT
In force
41 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 42 km from the middle of the area, began a volume at 22:07 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

TimeReportWhereRemark
Jun 14, 5:44 PM CDTTSTM WND DMG2 Wsw Magee, MSCOUPLE TREES DOWNED ALONG MS 28 WEST OF MAGEE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.1 hours before the alert went out and 51 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 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 389 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
389 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1349 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

861 
WUUS54 KJAN 142204
SVRJAN
MSC127-129-142245-
/O.NEW.KJAN.SV.W.0235.210614T2204Z-210614T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
504 PM CDT Mon Jun 14 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Northeastern Simpson County in central Mississippi...
  Southwestern Smith County in central Mississippi...

* Until 545 PM CDT.

* At 504 PM CDT, a severe thunderstorm was located near Raleigh, or
  13 miles northeast of Magee, moving southwest at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Magee, Mendenhall, Raleigh, Sanatorium, Martinville, White Oak and
  Mize.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3191 8995 3205 8980 3205 8973 3212 8973
      3214 8971 3209 8945 3179 8951 3179 8954
TIME...MOT...LOC 2204Z 022DEG 13KT 3203 8959 

HAIL...1.00IN
WIND...60MPH
 
$$

DL
2 follow-up statements
191 
WWUS54 KJAN 142225
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
525 PM CDT Mon Jun 14 2021

MSC127-129-142245-
/O.CON.KJAN.SV.W.0235.000000T0000Z-210614T2245Z/
Simpson MS-Smith MS-
525 PM CDT Mon Jun 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHEASTERN SIMPSON AND SOUTHWESTERN SMITH COUNTIES...

At 525 PM CDT, a severe thunderstorm was located near Traxler, or 8 
miles northeast of Magee, moving south at 15 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Magee, Mendenhall, Sanatorium, Martinville and Mize. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3191 8995 3205 8980 3205 8973 3208 8973
      3199 8947 3179 8951 3179 8954
TIME...MOT...LOC 2225Z 022DEG 13KT 3196 8962 

HAIL...0.75IN
WIND...60MPH
 
$$

DL
091 
WWUS54 KJAN 142235
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
535 PM CDT Mon Jun 14 2021

MSC127-129-142245-
/O.CON.KJAN.SV.W.0235.000000T0000Z-210614T2245Z/
Simpson MS-Smith MS-
535 PM CDT Mon Jun 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHEASTERN SIMPSON AND SOUTHWESTERN SMITH COUNTIES...

At 535 PM CDT, a severe thunderstorm was located over Martinville, or
near Magee, moving southwest at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Magee, Mendenhall, Sanatorium, Martinville and Mize. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3191 8995 3205 8980 3201 8971 3194 8948
      3179 8951 3179 8954
TIME...MOT...LOC 2235Z 026DEG 15KT 3194 8974 

HAIL...<.75IN
WIND...60MPH
 
$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 3:04 AM CDTHeat AdvisoryJANAdams, Claiborne, Copiah, Covington, Forrest, Franklin and 19 more12 hr
Jun 14, 3:55 PM CDTSpecial Weather StatementJANRankin65 min
Jun 14, 4:41 PM CDTSpecial Weather StatementJANSmith64 min
Jun 14, 5:41 PM CDTSpecial Weather StatementJANCovington, Simpson64 min
Jun 14, 6:09 PM CDTSevere Thunderstorm WarningJANCopiah, Simpson51 min
Jun 14, 6:12 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence48 min
Jun 14, 6:39 PM CDTSpecial Weather StatementJANLincoln66 min
Jun 14, 6:53 PM CDTSpecial Weather StatementJANMarion67 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.