Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 162, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 6, 2021, 6:30 PM CDT for 4 counties in Mississippi. It was in force for 60 min. 2 reports 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
- May 6, 2021, 6:30 PM CDT (23:30 UTC)
- Expired
- May 6, 2021, 7:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clay County, MS, Lowndes County, MS, Oktibbeha County, MS, Webster County, MS
The radar
The Columbus AFB radar (KGWX), 46 km from the middle of the area, began a volume at 23:32 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 |
|---|---|---|---|
| May 6, 7:05 PM CDT | TSTM WND DMG | 4 Ese Waverly, MS | TREES AND LINES DOWN. |
| May 6, 7:10 PM CDT | TSTM WND DMG | 1 S Columbus, MS | TREES AND POWER LINES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.5 hours before the alert went out and 177 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1745 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
368
WUUS54 KJAN 062330
SVRJAN
MSC025-087-105-155-070030-
/O.NEW.KJAN.SV.W.0162.210506T2330Z-210507T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jackson MS
630 PM CDT Thu May 6 2021
The National Weather Service in Jackson has issued a
* Severe Thunderstorm Warning for...
Oktibbeha County in northeastern Mississippi...
Northeastern Webster County in north central Mississippi...
Clay County in northeastern Mississippi...
Lowndes County in northeastern Mississippi...
* Until 730 PM CDT.
* At 629 PM CDT, severe thunderstorms were located along a line
extending from near Sulligent to near Trebloc to near Pittsboro,
moving south at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Montpelier around 645 PM CDT.
Griffith and Pala Alto around 655 PM CDT.
West Point around 700 PM CDT.
Clarkson around 705 PM CDT.
Cumberland and Muldrow around 710 PM CDT.
Maben and Tibbee around 715 PM CDT.
Sessums around 720 PM CDT.
Crawford, Oktoc and Longview around 730 PM CDT.
Other locations impacted by these severe thunderstorms include
Mantee, Sturgis and Artesia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3329 8830 3329 8909 3353 8909 3360 8922
3372 8928 3376 8893 3381 8893 3381 8872
3368 8872 3367 8850 3365 8851 3369 8837
3374 8833 3374 8825
TIME...MOT...LOC 2329Z 339DEG 32KT 3393 8812 3386 8890 3393 8926
HAIL...<.75IN
WIND...60MPH
$$
GRG2 follow-up statements
869
WWUS54 KJAN 070012
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
712 PM CDT Thu May 6 2021
MSC025-155-070022-
/O.CAN.KJAN.SV.W.0162.000000T0000Z-210507T0030Z/
Webster MS-Clay MS-
712 PM CDT Thu May 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WEBSTER AND CLAY
COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3329 8831 3329 8909 3356 8909 3356 8882
3351 8865 3353 8855 3355 8852 3352 8848
3355 8849 3359 8827
TIME...MOT...LOC 0012Z 339DEG 32KT 3359 8797 3352 8874 3359 8910
$$
MSC087-105-070030-
/O.CON.KJAN.SV.W.0162.000000T0000Z-210507T0030Z/
Oktibbeha MS-Lowndes MS-
712 PM CDT Thu May 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR OKTIBBEHA AND LOWNDES COUNTIES...
At 712 PM CDT, severe thunderstorms were located along a line
extending from Kennedy to near Muldrow to near Maben, moving south at
35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Sessums around 725 PM CDT.
Oktoc around 730 PM CDT.
Crawford and Longview around 740 PM CDT.
Craig Springs around 745 PM CDT.
Other locations impacted by these severe thunderstorms include
Sturgis and Artesia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3329 8831 3329 8909 3356 8909 3356 8882
3351 8865 3353 8855 3355 8852 3352 8848
3355 8849 3359 8827
TIME...MOT...LOC 0012Z 339DEG 32KT 3359 8797 3352 8874 3359 8910
HAIL...<.75IN
WIND...60MPH
$$
GRG544
WWUS54 KJAN 070021
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
721 PM CDT Thu May 6 2021
MSC087-105-070030-
/O.EXP.KJAN.SV.W.0162.000000T0000Z-210507T0030Z/
Oktibbeha MS-Lowndes MS-
721 PM CDT Thu May 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR OKTIBBEHA AND LOWNDES COUNTIES
WILL EXPIRE AT 730 PM CDT...
The storms which prompted the warning have weakened below severe
limits, but gusty winds are still possible with these thunderstorms.
LAT...LON 3329 8831 3329 8909 3356 8909 3356 8882
3351 8865 3353 8855 3355 8852 3352 8848
3355 8849 3359 8827
TIME...MOT...LOC 0020Z 339DEG 32KT 3353 8794 3346 8871 3353 8907
$$
GRGNearby
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.