Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 93, NWS Jackson, MS

April 9, 2021Clay County, Oktibbeha County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 9, 2021, 8:14 PM CDT for Clay County, Oktibbeha County, Mississippi. It was in force for 46 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: Apr 9, 2021, 8:14 PM CDT (01:14 UTC)
Expired: Apr 9, 2021, 9:00 PM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Clay County, MS, Oktibbeha County, MS

The radar

The Columbus AFB radar (KGWX), 63 km from the middle of the area, began a volume at 01:17 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

Time	Report	Where	Remark
Apr 9, 8:33 PM CDT	TSTM WND DMG	1 E Mantee, MS	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 E MANTEE. TREE FELL ON A HOUSE IN CLAY COUNTY AT WEBSTER/CHICKASAW LINE.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 9, 3:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.2 hours before the alert went out and 160 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2032 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 326 m²/s²
0-3 km storm-relative helicity: 590 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

317 
WUUS54 KJAN 100114
SVRJAN
MSC025-105-100200-
/O.NEW.KJAN.SV.W.0093.210410T0114Z-210410T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
814 PM CDT Fri Apr 9 2021

The National Weather Service in Jackson has issued a

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

* Until 900 PM CDT.

* At 814 PM CDT, a severe thunderstorm was located over Maben, or 14
  miles west of Starkville, moving northeast at 40 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Pheba around 825 PM CDT.
  Montpelier around 835 PM 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 3341 8904 3344 8909
      3356 8909 3356 8902 3364 8902 3364 8903
      3375 8903 3376 8893 3381 8893
TIME...MOT...LOC 0114Z 208DEG 35KT 3353 8906 

HAIL...1.75IN
WIND...60MPH
 
$$

TW

1 follow-up statement

605 
WWUS54 KJAN 100127
SVSJAN

Severe Weather Statement
National Weather Service Jackson MS
827 PM CDT Fri Apr 9 2021

MSC105-100137-
/O.CAN.KJAN.SV.W.0093.000000T0000Z-210410T0200Z/
Oktibbeha MS-
827 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OKTIBBEHA COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
north central and northeastern Mississippi.

LAT...LON 3381 8872 3372 8872 3356 8888 3356 8902
      3364 8902 3364 8903 3375 8903 3376 8896
      3376 8893 3381 8893
TIME...MOT...LOC 0127Z 210DEG 47KT 3370 8892 

$$

MSC025-100200-
/O.CON.KJAN.SV.W.0093.000000T0000Z-210410T0200Z/
Clay MS-
827 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WESTERN CLAY COUNTY...

At 827 PM CDT, a severe thunderstorm was located over Montpelier,
moving northeast at 55 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 storm will be near...
  Pala Alto around 830 PM 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 8888 3356 8902
      3364 8902 3364 8903 3375 8903 3376 8896
      3376 8893 3381 8893
TIME...MOT...LOC 0127Z 210DEG 47KT 3370 8892 

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

TW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:29 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Rankin, Scott	61 min
Apr 9, 7:37 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Choctaw, Montgomery, Webster	98 min
Apr 9, 7:38 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Scott, Smith	67 min
Apr 9, 7:40 PM CDT	Special Weather Statement	JAN	Washington	35 min
Apr 9, 7:48 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	57 min
Apr 9, 7:57 PM CDT	Severe Thunderstorm Warning	JAN	Grenada, Montgomery, Webster	51 min
Apr 9, 8:10 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin	65 min
Apr 9, 8:26 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison, Warren, Yazoo	49 min
Apr 9, 8:29 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Leake	61 min
Apr 9, 8:34 PM CDT	Tornado Warning	JAN	Rankin, Scott	34 min
Apr 9, 8:46 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba, Winston	59 min
Apr 9, 8:49 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Warren	41 min
Apr 9, 9:09 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Rankin, Scott	51 min
Apr 9, 9:33 PM CDT	Flash Flood Warning	JAN	Hinds, Madison, Rankin	3 hr
Apr 9, 9:43 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	92 min
Apr 9, 10:06 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Smith	54 min
Apr 9, 10:19 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Hinds, Rankin	27 min
Apr 9, 10:53 PM CDT	Flash Flood Warning	JAN	Rankin, Scott, Smith	2 hr
Apr 9, 10:57 PM CDT	Special Weather Statement	JAN	Claiborne, Copiah, Hinds, Jefferson, Warren	33 min
Apr 9, 11:38 PM CDT	Special Weather Statement	JAN	Copiah, Hinds, Lawrence, Lincoln, Rankin	37 min
Apr 9, 11:45 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Scott, Smith	45 min
Apr 9, 11:52 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Lincoln	38 min
Apr 10, 12:01 AM CDT	Flash Flood Warning	JAN	Adams, Franklin, Jefferson, Lincoln	3 hr
Apr 10, 12:29 AM CDT	Special Weather Statement	JAN	Clarke, Lauderdale	31 min
Apr 10, 12:31 AM CDT	Tornado Warning	JAN	Jefferson Davis, Lamar, Marion	44 min
Apr 10, 12:50 AM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	55 min
Apr 10, 12:53 AM CDT	Flash Flood Warning	JAN	Covington, Jasper, Jefferson Davis, Jones, Lawrence, Simpson and 1 more	3 hr
Apr 10, 1:02 AM CDT	Tornado Warning	JAN	Forrest, Lamar	38 min
Apr 10, 1:09 AM CDT	Flash Flood Warning	JAN	Clarke, Lauderdale	3 hr
Apr 10, 1:48 AM CDT	Flash Flood Warning	JAN	Forrest, Jones, Lamar, Marion	3 hr
Apr 10, 2:17 AM CDT	Special Weather Statement	JAN	Claiborne, Franklin, Jefferson	28 min
Apr 10, 2:53 AM CDT	Flash Flood Warning	JAN	Adams	118 min
Apr 10, 3:43 AM CDT	Special Weather Statement	JAN	Lamar, Marion	47 min
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	7 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	6 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Attala	24 hr
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	4 days
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Leake	24 hr
Apr 10, 9:28 AM CDT	River Flood Warning	JAN	Madison, Rankin	24 hr
Apr 10, 9:32 AM CDT	River Flood Warning	JAN	Hinds, Rankin	5 days
Apr 10, 9:36 AM CDT	River Flood Warning	JAN	Noxubee	3 days
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Copiah, Simpson	21 days
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Simpson	35 hr
Apr 10, 9:40 AM CDT	River Flood Warning	JAN	Marion	21 days
Apr 10, 10:44 AM CDT	River Flood Warning	JAN	Clarke	3 days

Nearby

Severe Thunderstorm Warnings in Mississippi, 2021 Every 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.