Alert archive / Alabama / Tornado Warnings in 2018
Tornado Warning 8, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Mar 19, 2018, 9:05 PM CDT for Calhoun County, Alabama. It was in force for 21 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 19, 2018, 9:05 PM CDT (02:05 UTC)
- Expired
- Mar 19, 2018, 9:26 PM CDT
- In force
- 21 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Calhoun County, AL
The radar
The Birmingham radar (KBMX), 111 km from the middle of the area, began a volume at 02:05 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 19, 9:32 PM CDT | HAIL 1 | Choccolocco, AL | |
| Mar 19, 9:35 PM CDT | HAIL 1.25 | Choccolocco, AL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 19, 3:28 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 2.1 hours before the alert went out and 112 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
- 1154 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1046 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 409 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 17.4
The text
As transmitted.
695
WFUS54 KBMX 200205
TORBMX
ALC015-200245-
/O.NEW.KBMX.TO.W.0008.180320T0205Z-180320T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Birmingham AL
905 PM CDT MON MAR 19 2018
The National Weather Service in Birmingham has issued a
* Tornado Warning for...
Central Calhoun County in east central Alabama...
* Until 945 PM CDT
* At 905 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Saks, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Anniston, Jacksonville, Saks, Fort McClellan, West End-Cobb Town,
Weaver, Blue Mountain, Alexandria and Choccolocco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3365 8565 3363 8566 3369 8601 3380 8595
3377 8564 3365 8564
TIME...MOT...LOC 0205Z 280DEG 44KT 3374 8588
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
87/GRANTHAM3 follow-up statements
513
WWUS54 KBMX 200215
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
915 PM CDT MON MAR 19 2018
ALC015-200245-
/O.CON.KBMX.TO.W.0008.000000T0000Z-180320T0245Z/
Calhoun AL-
915 PM CDT MON MAR 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR CENTRAL
CALHOUN COUNTY...
At 915 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Fort McClellan, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Anniston, Jacksonville, Saks, Fort McClellan, West End-Cobb Town,
Weaver, Blue Mountain, Alexandria and Choccolocco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3367 8588 3379 8586 3377 8564 3365 8564
3365 8565 3363 8566
TIME...MOT...LOC 0215Z 278DEG 39KT 3373 8578
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
87/GRANTHAM229
WWUS54 KBMX 200222
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
922 PM CDT MON MAR 19 2018
ALC015-200245-
/O.CON.KBMX.TO.W.0008.000000T0000Z-180320T0245Z/
Calhoun AL-
922 PM CDT MON MAR 19 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
SOUTHEASTERN CALHOUN COUNTY...
At 922 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Heflin, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Anniston and Choccolocco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3365 8578 3378 8575 3377 8564 3365 8564
3365 8565 3363 8566
TIME...MOT...LOC 0222Z 280DEG 44KT 3371 8567
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
87/GRANTHAM837
WWUS54 KBMX 200226
SVSBMX
Severe Weather Statement
National Weather Service Birmingham AL
926 PM CDT MON MAR 19 2018
ALC015-200236-
/O.CAN.KBMX.TO.W.0008.000000T0000Z-180320T0245Z/
Calhoun AL-
926 PM CDT MON MAR 19 2018
...THE TORNADO WARNING FOR SOUTHEASTERN CALHOUN COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.
A tornado watch remains in effect until 1100 PM CDT for east central
Alabama.
LAT...LON 3365 8578 3378 8575 3377 8564 3365 8564
3365 8565 3363 8566
TIME...MOT...LOC 0224Z 280DEG 44KT 3370 8562
$$
87/GRANTHAMThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:03 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 42 min |
| Mar 19, 7:18 PM CDT | Tornado Warning | BMX | Blount | 31 min |
| Mar 19, 7:29 PM CDT | Tornado Warning | BMX | Etowah | 61 min |
| Mar 19, 7:41 PM CDT | Severe Thunderstorm Warning | BMX | Blount, St. Clair | 34 min |
| Mar 19, 7:43 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 62 min |
| Mar 19, 7:49 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 56 min |
| Mar 19, 8:02 PM CDT | Tornado Warning | BMX | Cherokee | 58 min |
| Mar 19, 8:09 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 66 min |
| Mar 19, 8:15 PM CDT | Tornado Warning | BMX | Calhoun, Etowah | 45 min |
| Mar 19, 8:33 PM CDT | Tornado Warning | BMX | St. Clair | 42 min |
| Mar 19, 8:38 PM CDT | Tornado Warning | BMX | Cleburne | 46 min |
| Mar 19, 8:48 PM CDT | Tornado Warning | BMX | Calhoun | 42 min |
| Mar 19, 9:24 PM CDT | Areal Flood Advisory | BMX | Blount, Calhoun, Etowah, St. Clair | 6 hr |
| Mar 19, 9:27 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Cleburne | 34 min |
| Mar 19, 9:46 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, St. Clair, Talladega | 59 min |
| Mar 19, 10:20 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 40 min |
| Mar 19, 11:01 PM CDT | Areal Flood Advisory | BMX | Calhoun, Cleburne, Talladega | 3 hr |
| Mar 20, 3:06 AM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 19 hr |
| Mar 20, 5:33 AM CDT | Dense Fog Advisory | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 3 more | 3 hr |
Nearby
Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.