Alert archive / Alabama / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 206, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Sep 16, 2020, 12:26 PM CDT for Pike County, Alabama. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2020, 12:26 PM CDT (17:26 UTC)
- Expired
- Sep 16, 2020, 1:15 PM CDT
- In force
- 49 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Pike County, AL
The radar
The Ft Rucker radar (KEOX), 59 km from the middle of the area, began a volume at 17:27 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, 5.4 hours before the alert went out and 172 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 872 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 16, 7:10 AM CDT, 5 hours 16 minutes earlier.
Area forecast discussion, Sep 16, 7:10 AM CDT, 5 hours 16 minutes before
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</html>Hazardous weather outlook, Sep 16, 6:01 AM CDT, 6 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Birmingham AL 601 AM CDT Wed Sep 16 2020 ALZ011>015-017>050-171415- Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee- Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega- Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa- Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon- Bullock-Lee-Russell-Pike-Barbour- 601 AM CDT Wed Sep 16 2020 This Hazardous Weather Outlook is for the counties served by the National Weather Service office in Birmingham. .DAY ONE...Outlook through Tonight. The latest forecast regarding Sally brings the system through Central Alabama today into early Thursday. The southern half of the area will see wind impacts with sustained winds of 15 to 30 mph and gusts up to 45 mph. Heavy rains along a line generally south of Interstate 59 may cause flash flooding today and tonight. There will also be a marginal tornado threat this afternoon into this evening from noon through 11 pm along and south of the Interstate 85 corridor. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Sally will be pushing into Georgia on Thursday. Rainfall should be decreasing but some linger flash flooding will be possible early in the eastern portions of Central Alabama. River flooding will also become an issue after amounts begin to pile up. Rivers will rise, and some will remain above flood stage through the beginning of next week. .SPOTTER INFORMATION STATEMENT... Activation of storm spotters and emergency management will likely be needed today into tonight. Please follow all local, state, and CDC guidelines in regards to travel. 08
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 8:37 PM CDT | River Flood Warning | BMX | Chambers, Randolph, Tallapoosa | 5 days |
| Sep 15, 8:40 PM CDT | River Flood Warning | BMX | Dallas | 21 days |
| Sep 15, 8:42 PM CDT | River Flood Warning | BMX | Chilton, Coosa, Elmore, Shelby, Talladega | 13 hr |
| Sep 16, 11:21 AM CDT | Areal Flood Advisory | BMX | Barbour, Bullock, Dallas, Lowndes, Montgomery, Pike | 4 hr |
| Sep 16, 1:23 PM CDT | Flash Flood Warning | BMX | Pike | 10 hr |
| Sep 16, 3:03 PM CDT | Areal Flood Advisory | BMX | Barbour, Bullock, Lowndes, Montgomery | 6 hr |
| Sep 16, 3:58 PM CDT | Areal Flood Advisory | BMX | Autauga, Elmore, Macon | 6 hr |
| Sep 16, 6:13 PM CDT | Flash Flood Warning | BMX | Barbour | 6 hr |
Nearby
Severe Thunderstorm Warnings in Alabama, 2020Every severe thunderstorm warning 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.