Alert archive / Alabama / Tornado Warnings in 2017
Tornado Warning 11, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Jan 21, 2017, 7:02 AM CST for Mobile County, Alabama. It was in force for 22 min. 1 report 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
- Jan 21, 2017, 7:02 AM CST (13:02 UTC)
- Expired
- Jan 21, 2017, 7:24 AM CST
- In force
- 22 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Mobile County, AL
The radar
The Mobile radar (KMOB), 21 km from the middle of the area, began a volume at 13:01 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 |
|---|---|---|---|
| Jan 21, 7:15 AM CST | TSTM WND DMG | 4 Wnw Regional Airport, AL | LARGE TREE ON A HOME ON DARLING LANE |
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 |
|---|---|---|---|
| Jan 21, 3:56 AM CST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 1.0 hours before the alert went out and 169 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
- 1327 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 508 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 11.2
The text
As transmitted.
675
WFUS54 KMOB 211302
TORMOB
ALC097-211345-
/O.NEW.KMOB.TO.W.0011.170121T1302Z-170121T1345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
702 AM CST SAT JAN 21 2017
The National Weather Service in Mobile has issued a
* Tornado Warning for...
Central Mobile County in southwestern Alabama...
* Until 745 AM CST
* At 701 AM CST, a severe thunderstorm capable of producing a tornado
was located over Wilmer, or 15 miles southeast of Lucedale, moving
east at 40 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.
* This dangerous storm will be near...
Semmes around 710 AM CST.
Mobile Regional Airport around 715 AM CST.
Midtown Mobile and I65 And AL 158 around 725 AM CST.
Downtown Mobile, Prichard, Saraland, Chickasaw, Satsuma, Creola
and I65 And I165 around 730 AM CST.
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 3070 8841 3088 8842 3090 8797 3079 8794
3081 8795 3080 8799 3078 8797 3078 8802
3077 8802 3077 8795 3072 8801 3071 8795
3078 8794 3069 8793 3071 8788 3065 8796
TIME...MOT...LOC 1301Z 271DEG 33KT 3080 8837
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$2 follow-up statements
906
WWUS54 KMOB 211314
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
714 AM CST SAT JAN 21 2017
ALC097-211345-
/O.CON.KMOB.TO.W.0011.000000T0000Z-170121T1345Z/
Mobile AL-
714 AM CST SAT JAN 21 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 AM CST FOR CENTRAL
MOBILE COUNTY...
At 714 AM CST, a severe thunderstorm capable of producing a tornado
was located over Semmes, or 8 miles northwest of Midtown Mobile,
moving east at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
I65 And AL 158 around 725 AM CST.
Prichard, Chickasaw and I65 And I165 around 730 AM CST.
Downtown Mobile around 735 AM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3073 8833 3082 8828 3080 8805 3076 8802
3077 8794 3076 8799 3074 8801 3068 8800
3071 8795 3067 8796 3068 8795 3076 8794
3069 8793 3070 8791 3070 8790 3065 8796
TIME...MOT...LOC 1314Z 287DEG 31KT 3075 8825
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$898
WWUS54 KMOB 211324
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
724 AM CST SAT JAN 21 2017
ALC097-211334-
/O.CAN.KMOB.TO.W.0011.000000T0000Z-170121T1345Z/
Mobile AL-
724 AM CST SAT JAN 21 2017
...THE TORNADO WARNING FOR CENTRAL MOBILE COUNTY IS CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area.
A tornado watch remains in effect until 1100 AM CST for southwestern
Alabama.
LAT...LON 3073 8833 3082 8828 3080 8805 3076 8802
3077 8794 3076 8799 3074 8801 3068 8800
3071 8795 3067 8796 3068 8795 3076 8794
3069 8793 3070 8791 3070 8790 3065 8796
TIME...MOT...LOC 1322Z 271DEG 33KT 3075 8814
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 8:47 PM CST | River Flood Warning | MOB | Escambia | 25 hr |
| Jan 20, 8:48 PM CST | River Flood Warning | MOB | Covington, Escambia | 3 days |
| Jan 20, 10:18 PM CST | Rip Current Statement | MOB | Baldwin, Mobile | 56 hr |
| Jan 21, 1:56 AM CST | Special Weather Statement | MOB | Clarke | 34 min |
| Jan 21, 2:16 AM CST | Special Weather Statement | MOB | Clarke | 44 min |
| Jan 21, 2:31 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 44 min |
| Jan 21, 3:12 AM CST | Special Weather Statement | MOB | Wilcox | 48 min |
| Jan 21, 3:37 AM CST | Special Weather Statement | MOB | Choctaw | 38 min |
| Jan 21, 4:24 AM CST | Tornado Warning | MOB | Choctaw, Washington | 51 min |
| Jan 21, 4:52 AM CST | Tornado Warning | MOB | Choctaw | 38 min |
| Jan 21, 5:06 AM CST | Tornado Warning | MOB | Choctaw, Clarke | 39 min |
| Jan 21, 5:45 AM CST | Severe Thunderstorm Warning | MOB | Clarke, Wilcox | 34 min |
| Jan 21, 7:07 AM CST | Special Weather Statement | MOB | Conecuh | 38 min |
| Jan 21, 7:22 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 38 min |
| Jan 21, 7:28 AM CST | Wind Advisory | MOB | Baldwin, Mobile | 4 hr |
| Jan 21, 7:32 AM CST | Special Marine Warning | MOB | 58 min | |
| Jan 21, 7:36 AM CST | Special Weather Statement | MOB | Conecuh, Escambia, Monroe | 54 min |
| Jan 21, 8:18 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 42 min |
| Jan 21, 8:27 AM CST | Special Marine Warning | MOB | 63 min | |
| Jan 21, 9:14 AM CST | Special Weather Statement | MOB | Covington | 91 min |
| Jan 21, 9:21 AM CST | Severe Thunderstorm Warning | MOB | Covington | 39 min |
| Jan 21, 9:28 AM CST | Special Marine Warning | MOB | 92 min | |
| Jan 21, 10:57 AM CST | Special Marine Warning | MOB | 48 min | |
| Jan 21, 3:50 PM CST | Gale Warning | MOB | 41 hr |
Nearby
Tornado Warnings in Alabama, 2017Every tornado warning in 2017Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.