Alert archive / Alabama / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 90, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 7, 2017, 3:26 PM CST for Choctaw County, Alabama. It was in force for 64 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 7, 2017, 3:26 PM CST (21:26 UTC)
- Expired
- Mar 7, 2017, 4:30 PM CST
- In force
- 64 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Choctaw County, AL
The radar
The Birmingham radar (KBMX), 161 km from the middle of the area, began a volume at 21:27 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, 9.4 hours before the alert went out and 161 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
- 1069 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 316 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
686
WUUS54 KMOB 072126
SVRMOB
ALC023-072230-
/O.NEW.KMOB.SV.W.0090.170307T2126Z-170307T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
326 PM CST TUE MAR 7 2017
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northern Choctaw County in southwestern Alabama...
* Until 430 PM CST
* At 325 PM CST, severe thunderstorms were located along a line
extending from near Toomsuba to near Stonewall, moving east at 30
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Butler, Lisman and Pennington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
3230 8800 3228 8801 3228 8802 3226 8801
3218 8801 3215 8802 3214 8804 3211 8805
3209 8804 3206 8807 3207 8808 3205 8812
3206 8845 3231 8842
TIME...MOT...LOC 2125Z 271DEG 25KT 3243 8854 3214 8883
HAIL...0.75IN
WIND...60MPH
$$1 follow-up statement
436
WWUS54 KMOB 072149
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
349 PM CST TUE MAR 7 2017
ALC023-072230-
/O.CON.KMOB.SV.W.0090.000000T0000Z-170307T2230Z/
Choctaw AL-
349 PM CST TUE MAR 7 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CST
FOR NORTHERN CHOCTAW COUNTY...
At 349 PM CST, severe thunderstorms were located along a line
extending from near Toomsuba to near Increase to near Snell to near
Quitman, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Butler, Lisman and Pennington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3231 8793 3228 8793 3228 8794 3230 8794
3230 8800 3228 8801 3228 8802 3226 8801
3218 8801 3215 8802 3214 8804 3211 8805
3209 8804 3206 8807 3207 8808 3205 8812
3206 8845 3231 8842
TIME...MOT...LOC 2149Z 273DEG 26KT 3236 8855 3227 8851 3217 8853 3204
8864
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 9:44 AM CST | Small Craft Advisory | MOB | 5 hr | |
| Mar 7, 4:14 PM CST | Special Weather Statement | MOB | Choctaw | 46 min |
| Mar 7, 4:47 PM CST | Special Weather Statement | MOB | Clarke, Wilcox | 58 min |
| Mar 7, 5:24 PM CST | Special Weather Statement | MOB | Washington | 51 min |
| Mar 7, 5:48 PM CST | Special Weather Statement | MOB | Butler, Conecuh, Monroe, Wilcox | 57 min |
| Mar 7, 5:52 PM CST | Special Weather Statement | MOB | Washington | 53 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2017Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.