Alert archive / Mississippi / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 10, 2018, 4:49 PM CST for Washington County, Alabama; Greene County, Wayne County, Mississippi. It was in force for 41 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
- Feb 10, 2018, 4:49 PM CST (22:49 UTC)
- Expired
- Feb 10, 2018, 5:30 PM CST
- In force
- 41 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Washington County, AL, Greene County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 22:49 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 |
|---|---|---|---|
| Feb 10, 5:18 PM CST | TSTM WND DMG | 7 W Chatom, AL | EMERGENCY MANAGER RELAYED A REPORT OF DAMAGE TO A RESIDENCE NEAR LATON HILL. TREES DOWN WITH ONE TREE THAT FELL IN A WINDOW, PART OF THE ROOF OF THE RESIDENCE SEVERELY DAMAGED AND A SHED BLOWN OVER. TIME ESTIMATED FROM RADAR. |
| Feb 10, 5:18 PM CST | TORNADO | 8 W Chatom, AL | NWS SURVEY DETERMINED THAT A BRIEF EF-0 TORNADO TOUCHED DOWN JUST SOUTH OF HWY 56 AND EAST OF FLAT BRANCH RD. THE TORNADO RESULTED IN DAMAGE TO THE METAL ROOF OF A RESIDENCE ALONG WITH ONE WINDOW BLOWN OUT. SCATTERED SOFTWOOD TREE DAMAGE WAS NOTED ALONG THE SH |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.8 hours before the alert went out and 173 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
- 370 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
864 WUUS54 KMOB 102249 SVRMOB ALC129-MSC041-153-102330- /O.NEW.KMOB.SV.W.0003.180210T2249Z-180210T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Mobile AL 449 PM CST SAT FEB 10 2018 The National Weather Service in Mobile has issued a * Severe Thunderstorm Warning for... West central Washington County in southwestern Alabama... Southeastern Wayne County in southeastern Mississippi... Northeastern Greene County in southeastern Mississippi... * Until 530 PM CST * At 448 PM CST, a severe thunderstorm was located 8 miles southwest of State Line, or 12 miles north of Leakesville, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Knobtown, Chatom and State Line. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3129 8857 3135 8864 3162 8845 3145 8816 TIME...MOT...LOC 2248Z 235DEG 30KT 3134 8855 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$
1 follow-up statement
871 WWUS54 KMOB 102318 SVSMOB Severe Weather Statement National Weather Service Mobile AL 518 PM CST SAT FEB 10 2018 ALC129-MSC041-153-102330- /O.CON.KMOB.SV.W.0003.000000T0000Z-180210T2330Z/ Washington AL-Wayne MS-Greene MS- 518 PM CST SAT FEB 10 2018 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR WEST CENTRAL WASHINGTON...SOUTHEASTERN WAYNE AND NORTHEASTERN GREENE COUNTIES... At 517 PM CST, a severe thunderstorm was located 4 miles southwest of State Line, or 15 miles north of Leakesville, moving northeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Knobtown and State Line. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Occasional cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3129 8857 3135 8864 3162 8845 3145 8816 TIME...MOT...LOC 2317Z 235DEG 24KT 3138 8852 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 9:21 PM CST | Marine Dense Fog Advisory | MOB | 13 hr | |
| Feb 10, 7:44 AM CST | Special Weather Statement | MOB | Baldwin, Mobile | 91 min |
| Feb 10, 11:20 AM CST | Special Marine Warning | MOB | 40 min | |
| Feb 10, 11:57 AM CST | Special Marine Warning | MOB | 48 min | |
| Feb 10, 12:36 PM CST | Special Marine Warning | MOB | 54 min | |
| Feb 10, 12:44 PM CST | Special Marine Warning | MOB | 31 min | |
| Feb 10, 12:56 PM CST | Tornado Warning | MOB | Baldwin | 27 min |
| Feb 10, 1:00 PM CST | Special Weather Statement | MOB | Baldwin | 30 min |
| Feb 10, 1:29 PM CST | Special Marine Warning | MOB | 61 min | |
| Feb 10, 2:17 PM CST | Special Weather Statement | MOB | Baldwin | 43 min |
| Feb 10, 2:31 PM CST | Special Marine Warning | MOB | 59 min | |
| Feb 10, 2:50 PM CST | Special Marine Warning | MOB | 55 min | |
| Feb 10, 2:53 PM CST | Special Weather Statement | MOB | Baldwin, Escambia | 52 min |
| Feb 10, 3:30 PM CST | Special Marine Warning | MOB | 60 min | |
| Feb 10, 3:33 PM CST | Special Weather Statement | MOB | Escambia | 42 min |
| Feb 10, 4:10 PM CST | Special Weather Statement | MOB | Conecuh, Escambia | 50 min |
| Feb 10, 4:30 PM CST | Special Marine Warning | MOB | 60 min | |
| Feb 10, 4:45 PM CST | Special Weather Statement | MOB | Washington | 45 min |
| Feb 10, 4:48 PM CST | Marine Dense Fog Advisory | MOB | 15 hr | |
| Feb 10, 5:10 PM CST | Tornado Warning | MOB | Washington | 35 min |
| Feb 10, 5:41 PM CST | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 49 min |
| Feb 10, 4:15 PM CST | Special Weather Statement | MOB | Greene | 45 min |
| Feb 10, 4:23 PM CST | Special Weather Statement | MOB | Perry, Stone | 37 min |
| Feb 10, 5:52 PM CST | Special Weather Statement | MOB | Greene | 38 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2018Severe Thunderstorm Warnings in Alabama, 2018Every severe thunderstorm warning in 2018
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.