Alert archive / Alabama / Special Weather Statements in 2021
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Mar 16, 2021, 6:09 AM CDT for Dallas County, Alabama. It was in force for 51 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 16, 2021, 6:09 AM CDT (11:09 UTC)
- Expired
- Mar 16, 2021, 7:00 AM CDT
- In force
- 51 min
- Issued by
- NWS Birmingham, AL
County Dallas County, AL
The radar
The Birmingham radar (KBMX), 121 km from the middle of the area, began a volume at 11:13 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 00:00Z, 11.2 hours before the alert went out and 122 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
- 1448 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 9.6
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 Birmingham, AL wrote its last area forecast discussion before this special weather statement went out at Mar 16, 3:45 AM CDT, 2 hours 24 minutes earlier.
Area forecast discussion, Mar 16, 3:45 AM CDT, 2 hours 24 minutes before
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Hazardous Weather Outlook National Weather Service Birmingham AL 351 AM CDT Tue Mar 16 2021 ALZ011>015-017>050-171200- 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- 351 AM CDT Tue Mar 16 2021 This Hazardous Weather Outlook is for the counties served by the National Weather Service office in Birmingham. .DAY ONE...Outlook through Tonight. Severe thunderstorms are possible today through 9 PM this evening across Central Alabama. Damaging winds and large hail are the main threats. A brief tornado cannot be ruled out. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Severe thunderstorms are likely Wednesday afternoon into early Thursday morning. Threats include strong tornadoes, large hail up to golf ball size, and damaging winds up to 80 mph. Stay tuned for forecast updates. .SPOTTER INFORMATION STATEMENT... Activation of storm spotters and emergency management may be needed today and this evening and again on Wednesday into the pre-dawn hours on Thursday. Please follow all local, state, and CDC guidelines in regards to travel. 08
In the hours before
Special weather statement, Mar 16, 1:18 AM CDT, 4 hours 51 minutes before
Special Weather Statement National Weather Service Birmingham AL 118 AM CDT Tue Mar 16 2021 ALZ011-160715- Marion AL- 118 AM CDT Tue Mar 16 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MARION COUNTY UNTIL 215 AM CDT... At 116 AM CDT, Doppler radar was tracking a strong thunderstorm near New Salem, or 9 miles southeast of Fulton, moving northeast at 40 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Hamilton, Hackleburg, Weston, Bear Creek, Tessner, Bexar, Pigeye, Shottsville and Upper Bear Creek Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3431 8765 3408 8820 3432 8817 TIME...MOT...LOC 0616Z 245DEG 35KT 3417 8828 25/Owen
Special weather statement, Mar 16, 1:59 AM CDT, 4 hours 10 minutes before
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 9:32 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 19 min |
| Mar 16, 1:18 AM CDT | Special Weather Statement | BMX | Marion | 57 min |
| Mar 16, 1:59 AM CDT | Special Weather Statement | BMX | Marion | 31 min |
| Mar 16, 2:20 AM CDT | Special Weather Statement | BMX | Marengo | 40 min |
| Mar 16, 3:15 AM CDT | Special Weather Statement | BMX | Marengo | 30 min |
| Mar 16, 3:22 AM CDT | Severe Thunderstorm Warning | BMX | Marengo | 38 min |
| Mar 16, 3:32 AM CDT | Areal Flood Advisory | BMX | Marengo | 3 hr |
| Mar 16, 3:41 AM CDT | Tornado Warning | BMX | Marengo | 34 min |
| Mar 16, 9:44 AM CDT | Areal Flood Advisory | BMX | Marengo | 3 hr |
| Mar 16, 10:06 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo | 7 days |
| Mar 16, 10:58 AM CDT | Areal Flood Advisory | BMX | Dallas, Perry | 3 hr |
| Mar 16, 12:06 PM CDT | Areal Flood Advisory | BMX | Dallas | 3 hr |
| Mar 16, 12:58 PM CDT | Special Weather Statement | BMX | Lowndes | 47 min |
| Mar 16, 1:24 PM CDT | Special Weather Statement | BMX | Montgomery | 36 min |
| Mar 16, 2:00 PM CDT | Special Weather Statement | BMX | Bullock | 45 min |
| Mar 16, 2:24 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Pike | 36 min |
| Mar 16, 3:00 PM CDT | Special Weather Statement | BMX | Barbour | 45 min |
| Mar 16, 3:41 PM CDT | Special Weather Statement | BMX | Barbour | 49 min |
| Mar 16, 4:46 PM CDT | Areal Flood Advisory | BMX | Barbour, Bullock, Pike | 3 hr |
| Mar 16, 5:33 PM CDT | Special Weather Statement | BMX | Greene | 27 min |
Nearby
Special Weather Statements in Alabama, 2021Every special weather statement in 2021
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.