Alert archive / Mississippi / Tornado Warnings in 2017
Tornado Warning 74, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Aug 30, 2017, 10:43 AM CDT for 4 counties in Mississippi. It was in force for 62 min. 4 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
- Aug 30, 2017, 10:43 AM CDT (15:43 UTC)
- Expired
- Aug 30, 2017, 11:45 AM CDT
- In force
- 62 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Covington County, MS, Forrest County, MS, Jones County, MS, Lamar County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 107 km from the middle of the area, began a volume at 15:43 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 |
|---|---|---|---|
| Aug 30, 11:40 AM CDT | TORNADO | 1 Wnw Petal, MS | TORNADO REPORTED IN DOWNTOWN PETAL. TWO BUSINESSES ON MAIN STREET WITH MAJOR ROOF DAMAGE. SEVERAL TREES DOWN ON HIGHWAY 11 AT EVELYN GANDY PARKWAY. |
| Aug 30, 11:40 AM CDT | TORNADO | 1 Wnw Petal, MS | THIS TORNADO WAS RATED EF1 TORNADO WITH ESTIMATED MAXIMUM WIND SPEED 90 MPH. TWO BUSINESSES ON MAIN STREET WITH MAJOR ROOF DAMAGE. SEVERAL TREES DOWN ON HIGHWAY 11. |
| Aug 30, 11:41 AM CDT | TORNADO | 1 W Petal, MS | THIS TORNADO TOUCHED DOWN IN PETAL ALONG WEST CENTRAL AVE. HERE, TWO BUSINESSES SUSTAINED MINOR ROOF DAMAGE WITH A PORTION OF THE ROOF PEELED OFF. SEVERAL TREES WERE UPROOTED AND A FENCE WAS BLOWN DOWN. AS THE TORNADO MOVE NORTHWARD, A FEW MORE TREES WERE DOWN |
| Aug 30, 11:42 AM CDT | TORNADO | 1 Nw Petal, MS | TREE ON A HOUSE. |
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 |
|---|---|---|---|
| Aug 30, 10:22 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.7 hours before the alert went out and 115 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
- 273 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 523 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
The text
As transmitted.
717
WFUS54 KJAN 301543
TORJAN
MSC031-035-067-073-301645-
/O.NEW.KJAN.TO.W.0074.170830T1543Z-170830T1645Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jackson MS
1043 AM CDT WED AUG 30 2017
The National Weather Service in Jackson has issued a
* Tornado Warning for...
Northwestern Forrest County in southeastern Mississippi...
Covington County in southeastern Mississippi...
Northeastern Lamar County in southeastern Mississippi...
Southwestern Jones County in southeastern Mississippi...
* Until 1145 AM CDT
* At 1042 AM CDT, a severe thunderstorm capable of producing a
tornado was located near West Hattiesburg, moving north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Hattiesburg and Oak Grove around 1050 AM CDT.
West Hattiesburg around 1055 AM CDT.
Rawls Springs around 1100 AM CDT.
Eastabuchie around 1110 AM CDT.
Sanford around 1115 AM CDT.
Moselle around 1120 AM CDT.
Ellisville around 1135 AM CDT.
Hebron around 1145 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Seminary.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3119 8951 3145 8959 3151 8959 3154 8962
3175 8968 3173 8915 3121 8928 3118 8945
TIME...MOT...LOC 1542Z 190DEG 26KT 3124 8942
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
172 follow-up statements
017
WWUS54 KJAN 301609
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
1109 AM CDT WED AUG 30 2017
MSC031-035-067-073-301645-
/O.CON.KJAN.TO.W.0074.000000T0000Z-170830T1645Z/
Forrest MS-Covington MS-Lamar MS-Jones MS-
1109 AM CDT WED AUG 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
NORTHWESTERN FORREST...COVINGTON...NORTHEASTERN LAMAR AND
SOUTHWESTERN JONES COUNTIES...
At 1108 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Sanford, or 12 miles southeast of Collins, moving
north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Collins around 1130 AM CDT.
Hebron around 1140 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Seminary.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3119 8951 3145 8959 3151 8959 3154 8962
3175 8968 3173 8915 3121 8928 3118 8945
TIME...MOT...LOC 1608Z 180DEG 27KT 3149 8945
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
17108
WWUS54 KJAN 301631
SVSJAN
Severe Weather Statement
National Weather Service Jackson MS
1131 AM CDT WED AUG 30 2017
MSC031-073-301640-
/O.CAN.KJAN.TO.W.0074.000000T0000Z-170830T1645Z/
Covington MS-Lamar MS-
1131 AM CDT WED AUG 30 2017
...THE TORNADO WARNING FOR COVINGTON AND NORTHEASTERN LAMAR COUNTIES
IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 600 PM CDT for southeastern
Mississippi.
LAT...LON 3135 8935 3135 8945 3143 8945 3143 8940
3174 8940 3173 8915 3122 8928 3120 8935
TIME...MOT...LOC 1630Z 181DEG 78KT 3157 8929
$$
MSC035-067-301645-
/O.CON.KJAN.TO.W.0074.000000T0000Z-170830T1645Z/
Forrest MS-Jones MS-
1131 AM CDT WED AUG 30 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
NORTHWESTERN FORREST AND SOUTHWESTERN JONES COUNTIES...
At 1130 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Moselle, or near Ellisville, moving north at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Laurel and Hebron around 1135 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3135 8935 3135 8945 3143 8945 3143 8940
3174 8940 3173 8915 3122 8928 3120 8935
TIME...MOT...LOC 1630Z 181DEG 78KT 3157 8929
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
17The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 9:43 AM CDT | Special Weather Statement | JAN | Lamar | 32 min |
| Aug 30, 9:50 AM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 55 min |
| Aug 30, 10:05 AM CDT | Tornado Warning | JAN | Forrest, Lamar | 40 min |
| Aug 30, 10:38 AM CDT | Tornado Warning | JAN | Forrest, Lamar | 52 min |
| Aug 30, 11:36 AM CDT | Special Weather Statement | JAN | Marion | 24 min |
| Aug 30, 11:50 AM CDT | Tornado Warning | JAN | Forrest, Jones | 25 min |
| Aug 30, 11:55 AM CDT | Tornado Warning | JAN | Covington, Jefferson Davis, Marion | 65 min |
| Aug 30, 12:18 PM CDT | Tornado Warning | JAN | Forrest, Jones | 57 min |
| Aug 30, 12:55 PM CDT | Severe Thunderstorm Warning | JAN | Claiborne, Copiah, Franklin, Jefferson, Lincoln | 50 min |
| Aug 30, 1:14 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 46 min |
| Aug 30, 1:44 PM CDT | Special Weather Statement | JAN | Jones | 31 min |
| Aug 30, 1:48 PM CDT | Special Weather Statement | JAN | Copiah | 42 min |
| Aug 30, 2:06 PM CDT | Special Weather Statement | JAN | Smith | 24 min |
| Aug 30, 2:27 PM CDT | Special Weather Statement | JAN | Hinds | 48 min |
| Aug 30, 2:33 PM CDT | Special Weather Statement | JAN | Smith | 27 min |
| Aug 30, 2:45 PM CDT | Tornado Warning | JAN | Hinds, Warren | 33 min |
| Aug 30, 3:24 PM CDT | Special Weather Statement | JAN | Humphreys | 36 min |
| Aug 30, 3:53 PM CDT | Special Weather Statement | JAN | Simpson | 37 min |
| Aug 30, 3:57 PM CDT | Special Weather Statement | JAN | Simpson | 48 min |
| Aug 30, 4:38 PM CDT | Special Weather Statement | JAN | Rankin | 37 min |
Nearby
Tornado Warnings in Mississippi, 2017Every tornado warning in 2017Tornadoes in 2017
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.