Alert archive / Alabama / Special Weather Statements in 2020
Special Weather Statement, NWS Mobile, AL
NWS Mobile, AL issued this special weather statement at Aug 20, 2020, 3:20 PM CDT for Montgomery County, Alabama. It was in force for 25 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
- Aug 20, 2020, 3:20 PM CDT (20:20 UTC)
- Expired
- Aug 20, 2020, 3:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Mobile, AL
County Montgomery County, AL
The radar
The Maxwell AFB radar (KMXX), 81 km from the middle of the area, began a volume at 20:20 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
Birmingham, AL (KBMX), launched 12:00Z, 8.3 hours before the alert went out and 138 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
- 70 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Aug 20, 1:20 PM CDT, 2 hours earlier.
Area forecast discussion, Aug 20, 1:20 PM CDT, 2 hours before
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</html>In the hours before
Special weather statement, Aug 20, 3:20 PM CDT, 0 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 7:03 PM CDT | Special Marine Warning | MOB | 87 min | |
| Aug 19, 7:30 PM CDT | Special Weather Statement | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 75 min |
| Aug 19, 8:38 PM CDT | Areal Flood Advisory | MOB | Butler, Conecuh | 3 hr |
| Aug 19, 9:46 PM CDT | Special Weather Statement | MOB | Covington | 44 min |
| Aug 20, 12:33 AM CDT | Special Marine Warning | MOB | 87 min | |
| Aug 20, 12:55 AM CDT | Special Marine Warning | MOB | 66 min | |
| Aug 20, 1:41 AM CDT | Special Marine Warning | MOB | 94 min | |
| Aug 20, 2:00 AM CDT | Special Marine Warning | MOB | 75 min | |
| Aug 20, 2:50 AM CDT | Special Marine Warning | MOB | 115 min | |
| Aug 20, 4:01 AM CDT | Special Marine Warning | MOB | 89 min | |
| Aug 20, 4:06 AM CDT | Special Marine Warning | MOB | 114 min | |
| Aug 20, 5:07 AM CDT | Special Marine Warning | MOB | 113 min | |
| Aug 20, 6:20 AM CDT | Special Marine Warning | MOB | 85 min | |
| Aug 20, 6:47 AM CDT | Special Marine Warning | MOB | 118 min | |
| Aug 20, 7:42 AM CDT | Special Marine Warning | MOB | 93 min | |
| Aug 20, 8:44 AM CDT | Special Marine Warning | MOB | 91 min | |
| Aug 20, 4:31 PM CDT | Special Weather Statement | MOB | Wayne | 29 min |
Nearby
Special Weather Statements in Alabama, 2020Every special weather statement in 2020
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.