Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 37, NWS Jackson, MS

March 25, 2021Clay County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 25, 2021, 4:41 AM CDT for Clay County, Mississippi. It was in force for 34 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
Mar 25, 2021, 4:41 AM CDT (09:41 UTC)
Expired
Mar 25, 2021, 5:15 AM CDT
In force
34 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Clay County, MS

The radar

The Columbus AFB radar (KGWX), 58 km from the middle of the area, began a volume at 09:45 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

Little Rock, AR (KLZK), launched 00:00Z, 9.7 hours before the alert went out and 158 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, Little Rock, AR at 00:00Z on 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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, Little Rock, AR at 00:00Z on 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939587897Sfc1 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
4 J/kg
Mixed-layer CIN
-249 J/kg
Mixed-layer LCL
1811 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

624 
WUUS54 KJAN 250941
SVRJAN
MSC025-251015-
/O.NEW.KJAN.SV.W.0037.210325T0941Z-210325T1015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
441 AM CDT Thu Mar 25 2021

The National Weather Service in Jackson has issued a

* Severe Thunderstorm Warning for...
  Western Clay County in northeastern Mississippi...

* Until 515 AM CDT.

* At 441 AM CDT, a severe thunderstorm was located over Pheba, or 8
  miles south of Montpelier, moving northeast at 45 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.

* This severe thunderstorm will be near...
  Montpelier and Griffith around 450 AM CDT.
  Pala Alto around 455 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3381 8872 3372 8872 3356 8891 3356 8902
      3364 8902 3364 8903 3365 8903 3376 8897
      3376 8893 3381 8893
TIME...MOT...LOC 0941Z 215DEG 40KT 3360 8899 

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

7
1 follow-up statement
366 
WWUS54 KJAN 251009
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
509 AM CDT Thu Mar 25 2021

MSC025-251018-
/O.EXP.KJAN.SV.W.0037.000000T0000Z-210325T1015Z/
Clay MS-
509 AM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CLAY COUNTY WILL
EXPIRE AT 515 AM CDT...
        
The storm which prompted the warning has moved out of the area.


LAT...LON 3381 8872 3372 8872 3356 8891 3356 8902
      3364 8902 3364 8903 3365 8903 3376 8897
      3376 8893 3381 8893
TIME...MOT...LOC 1008Z 215DEG 40KT 3383 8880 

$$

7

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 12:47 AM CDTSpecial Weather StatementJANSmith43 min
Mar 25, 1:02 AM CDTSevere Thunderstorm WarningJANJasper, Smith39 min
Mar 25, 1:43 AM CDTSpecial Weather StatementJANClarke32 min
Mar 25, 2:06 AM CDTSpecial Weather StatementJANLauderdale24 min
Mar 25, 2:39 AM CDTSpecial Weather StatementJANChoctaw36 min
Mar 25, 3:02 AM CDTSpecial Weather StatementJANClay43 min
Mar 25, 3:07 AM CDTSpecial Weather StatementJANSimpson, Smith38 min
Mar 25, 3:43 AM CDTSpecial Weather StatementJANScott32 min
Mar 25, 3:48 AM CDTSevere Thunderstorm WarningJANNewton, Scott27 min
Mar 25, 4:14 AM CDTSpecial Weather StatementJANChoctaw31 min
Mar 25, 4:24 AM CDTSevere Thunderstorm WarningJANChoctaw, Oktibbeha, Webster36 min
Mar 25, 4:37 AM CDTSevere Thunderstorm WarningJANNeshoba, Winston38 min
Mar 25, 5:15 AM CDTSevere Thunderstorm WarningJANNoxubee, Winston30 min
Mar 25, 5:28 AM CDTSpecial Weather StatementJANNeshoba47 min
Mar 25, 6:35 AM CDTSpecial Weather StatementJANNoxubee25 min
Mar 25, 7:04 AM CDTRiver Flood WarningJANLawrence63 hr
Mar 25, 8:54 AM CDTSpecial Weather StatementJANAttala36 min
Mar 25, 9:01 AM CDTRiver Flood WarningJANNeshoba7 days
Mar 25, 9:03 AM CDTRiver Flood WarningJANMadison, Yazoo13 days
Mar 25, 9:04 AM CDTRiver Flood WarningJANClarke4 days
Mar 25, 9:04 AM CDTSpecial Weather StatementJANLowndes26 min
Mar 25, 9:11 AM CDTSpecial Weather StatementJANWinston49 min
Mar 25, 9:18 AM CDTSpecial Weather StatementJANNoxubee42 min
Mar 25, 9:32 AM CDTTornado WarningJANNoxubee28 min
Mar 25, 11:46 AM CDTRiver Flood WarningJANBolivar, Washington12 days
Mar 25, 11:48 AM CDTRiver Flood WarningJANIssaquena, Washington13 days
Mar 25, 12:38 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba, Scott52 min
Mar 25, 1:02 PM CDTSpecial Weather StatementJANWinston28 min
Mar 25, 1:03 PM CDTTornado WarningJANCovington, Jefferson Davis, Simpson, Smith57 min
Mar 25, 1:17 PM CDTSevere Thunderstorm WarningJANNoxubee, Winston30 min
Mar 25, 1:21 PM CDTSevere Thunderstorm WarningJANChoctaw, Winston24 min
Mar 25, 1:24 PM CDTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence, Scott, Simpson, Smith94 min
Mar 25, 1:28 PM CDTTornado WarningJANNoxubee17 min
Mar 25, 1:46 PM CDTSevere Thunderstorm WarningJANLowndes27 min
Mar 25, 1:54 PM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton81 min
Mar 25, 2:05 PM CDTSpecial Weather StatementJANSmith25 min
Mar 25, 2:29 PM CDTTornado WarningJANKemper, Lauderdale, Newton61 min
Mar 25, 2:31 PM CDTSpecial Weather StatementJANKemper29 min
Mar 25, 3:06 PM CDTTornado WarningJANKemper24 min
Mar 25, 3:09 PM CDTSevere Thunderstorm WarningJANClarke, Lauderdale36 min
Mar 25, 3:16 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Marion44 min
Mar 25, 3:18 PM CDTTornado WarningJANLauderdale27 min
Mar 25, 3:40 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Rankin, Simpson, Smith65 min
Mar 25, 3:47 PM CDTSevere Thunderstorm WarningJANCovington, Smith15 min
Mar 25, 4:23 PM CDTSpecial Weather StatementJANNewton37 min
Mar 25, 4:32 PM CDTSpecial Weather StatementJANMarion28 min
Mar 25, 5:03 PM CDTRiver Flood WarningJANLeake3 days
Mar 25, 5:03 PM CDTSpecial Weather StatementJANJones57 min
Mar 25, 5:15 PM CDTSevere Thunderstorm WarningJANCovington, Jones45 min
Mar 25, 5:57 PM CDTSpecial Weather StatementJANClarke63 min
Mar 25, 6:38 PM CDTSevere Thunderstorm WarningJANClarke13 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.