Alert archive / Alabama / Special Weather Statements in 2017
Special Weather Statement, NWS Mobile, AL
NWS Mobile, AL issued this special weather statement at Jun 30, 2017, 3:21 PM CDT for Washington County, Alabama. It was in force for 24 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
- Jun 30, 2017, 3:21 PM CDT (20:21 UTC)
- Expired
- Jun 30, 2017, 3:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Mobile, AL
County Washington County, AL
The radar
The Mobile radar (KMOB), 61 km from the middle of the area, began a volume at 20:21 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 12:00Z, 8.4 hours before the alert went out and 197 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
- 1596 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 674 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
674
WWUS84 KMOB 302021
SPSMOB
Special Weather Statement
National Weather Service Mobile AL
321 PM CDT FRI JUN 30 2017
ALZ053-055-059-261-262-302045-
Clarke AL-Baldwin Inland AL-Monroe AL-Escambia AL-Mobile Inland AL-
321 PM CDT FRI JUN 30 2017
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN MONROE...NORTHEASTERN MOBILE...NORTHWESTERN BALDWIN...
SOUTH CENTRAL CLARKE AND NORTHWESTERN ESCAMBIA COUNTIES UNTIL 345 PM
CDT...
At 320 PM CDT, the strong thunderstorm was located over Mount Vernon,
or 12 miles north of Creola, moving northeast at 30 mph.
Winds in excess of 30 mph will be possible with this storm.
Locations impacted include...
McCullough, Mount Vernon and Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3110 8810 3114 8803 3114 8802 3117 8799
3116 8797 3116 8794 3120 8795 3141 8763
3119 8746 3095 8798
TIME...MOT...LOC 2020Z 237DEG 27KT 3107 8797
$$
05/RRThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:21 PM CDT | Special Weather Statement | MOB | Conecuh, Covington | 39 min |
| Jun 29, 8:09 PM CDT | Special Weather Statement | MOB | Covington, Crenshaw | 66 min |
| Jun 29, 11:08 PM CDT | Special Marine Warning | MOB | 37 min | |
| Jun 29, 11:32 PM CDT | Tornado Warning | MOB | Mobile | 28 min |
| Jun 30, 12:03 AM CDT | Special Weather Statement | MOB | Mobile | 57 min |
| Jun 30, 12:45 AM CDT | Flash Flood Warning | MOB | Mobile | 4 hr |
| Jun 30, 5:28 AM CDT | River Flood Warning | MOB | Covington, Escambia | 35 hr |
| Jun 30, 1:15 PM CDT | Special Weather Statement | MOB | Covington | 45 min |
| Jun 30, 3:30 PM CDT | Special Weather Statement | MOB | Monroe | 30 min |
| Jun 30, 5:25 PM CDT | Special Weather Statement | MOB | Choctaw, Clarke | 65 min |
| Jun 30, 5:39 PM CDT | Special Weather Statement | MOB | Conecuh | 36 min |
| Jun 30, 6:30 PM CDT | Areal Flood Advisory | MOB | Clarke, Washington | 2 hr |
| Jun 30, 12:11 AM CDT | Flash Flood Warning | MOB | Santa Rosa | 6 hr |
| Jun 30, 12:32 AM CDT | Special Weather Statement | MOB | Santa Rosa | 58 min |
| Jun 30, 1:17 AM CDT | Flash Flood Warning | MOB | Okaloosa | 5 hr |
| Jun 30, 3:47 AM CDT | Flash Flood Warning | MOB | Santa Rosa | 2 hr |
| Jun 30, 6:06 AM CDT | Areal Flood Warning | MOB | Okaloosa, Santa Rosa | 12 hr |
| Jun 30, 9:02 AM CDT | River Flood Warning | MOB | Okaloosa | 58 hr |
| Jun 30, 5:18 PM CDT | Special Weather Statement | MOB | Greene | 42 min |
| Jun 30, 6:41 PM CDT | Areal Flood Advisory | MOB | Greene, Perry | 2 hr |
Nearby
Special Weather Statements in Alabama, 2017Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.