Alert archive / Mississippi / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 8, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2018, 7:02 PM CDT for Mobile County, Alabama; George County, Greene County, Mississippi. It was in force for 28 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 17, 2018, 7:02 PM CDT (00:02 UTC)
- Expired
- Mar 17, 2018, 7:30 PM CDT
- In force
- 28 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Mobile County, AL, George County, MS, Greene County, MS
The radar
The Mobile radar (KMOB), 23 km from the middle of the area, began a volume at 00:01 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.0 hours before the alert went out and 139 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
- 679 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.1
The text
As transmitted.
305
WUUS54 KMOB 180002
SVRMOB
ALC097-MSC039-041-180030-
/O.NEW.KMOB.SV.W.0008.180318T0002Z-180318T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
702 PM CDT SAT MAR 17 2018
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northwestern Mobile County in southwestern Alabama...
Eastern George County in southeastern Mississippi...
Southeastern Greene County in southeastern Mississippi...
* Until 730 PM CDT
* At 701 PM CDT, a severe thunderstorm was located over Lucedale,
moving southeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Chunchula, Gulfcrest, Semmes, Tanner Williams and Wilmer.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3073 8841 3074 8841 3074 8847 3080 8863
3092 8856 3107 8851 3106 8819 3080 8820
3071 8832
TIME...MOT...LOC 0001Z 296DEG 34KT 3091 8856
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
054
WWUS54 KMOB 180027
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
727 PM CDT SAT MAR 17 2018
ALC097-MSC039-041-180037-
/O.EXP.KMOB.SV.W.0008.000000T0000Z-180318T0030Z/
Mobile AL-George MS-Greene MS-
727 PM CDT SAT MAR 17 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MOBILE...EASTERN
GEORGE AND SOUTHEASTERN GREENE COUNTIES WILL EXPIRE AT 730 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire.
LAT...LON 3073 8841 3074 8841 3074 8847 3080 8863
3092 8856 3107 8851 3106 8819 3080 8820
3071 8832
TIME...MOT...LOC 0027Z 296DEG 34KT 3081 8833
$$
05The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:28 PM CDT | Special Weather Statement | MOB | Mobile | 32 min |
| Mar 18, 7:09 AM CDT | Rip Current Statement | MOB | Baldwin, Mobile | 72 hr |
| Mar 18, 9:17 AM CDT | Marine Dense Fog Advisory | MOB | 39 hr | |
| Mar 18, 6:56 PM CDT | Special Marine Warning | MOB | 64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.