Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 174, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 2, 2011, 1:55 PM CDT for Baldwin County, Alabama. It was in force for 35 min. 4 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
- Jul 2, 2011, 1:55 PM CDT (18:55 UTC)
- Expired
- Jul 2, 2011, 2:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 40 km from the middle of the area, began a volume at 18:57 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 |
|---|---|---|---|
| Jul 2, 2:05 PM CDT | TSTM WND DMG | 2 Nnw Loxley, AL | THE MAIN ROOF OF THE EXXON STATION ON HWY 59 COLLAPSED. TIME ESTIMATED BY RADAR. |
| Jul 2, 2:05 PM CDT | HAIL 1 | 2 Nnw Loxley, AL | QUARTER SIZE HAIL ON HWY 59 NEAR I-10. |
| Jul 2, 2:15 PM CDT | HAIL 0.25 | Loxley, AL | LOXLEY POLICE REPORTED PEA SIZE HAIL IN LOXLEY. |
| Jul 2, 2:15 PM CDT | HAIL 0.75 | 2 Sw Malbis, AL | PENNY SIZE HAIL REPORTED NEAR MALBIS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.9 hours before the alert went out and 185 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
- 2612 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
252
WUUS54 KMOB 021855
SVRMOB
ALC003-021930-
/O.NEW.KMOB.SV.W.0174.110702T1855Z-110702T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
155 PM CDT SAT JUL 2 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITIES OF...SPANISH FORT...ROBERTSDALE...
LOXLEY...DAPHNE...
* UNTIL 230 PM CDT
* AT 153 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
LOXLEY...OR 7 MILES SOUTH OF STAPLETON. THIS STORM WAS NEARLY
STATIONARY. OTHER STRONG THUNDERSTORMS ARE DEVELOPING IN THE
VICINITY OF THE WARNED STORM AND COULD ALSO QUICKLY BECOME SEVERE.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SILVERHILL
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 34 AND 52.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3055 8791 3065 8794 3074 8792 3074 8761
3052 8765
TIME...MOT...LOC 1855Z 011DEG 1KT 3064 8781
$$2 follow-up statements
824
WWUS54 KMOB 021913
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
213 PM CDT SAT JUL 2 2011
ALC003-021930-
/O.CON.KMOB.SV.W.0174.000000T0000Z-110702T1930Z/
BALDWIN AL-
213 PM CDT SAT JUL 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR CENTRAL BALDWIN COUNTY...
AT 211 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR LOXLEY...MOVING SOUTHEAST AT 5 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SILVERHILL...ROSINTON AND ROBERTSDALE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3055 8790 3064 8789 3071 8788 3074 8761
3052 8765
TIME...MOT...LOC 1913Z 321DEG 5KT 3062 8777
$$318
WWUS54 KMOB 021929
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
229 PM CDT SAT JUL 2 2011
ALC003-021940-
/O.EXP.KMOB.SV.W.0174.000000T0000Z-110702T1930Z/
BALDWIN AL-
229 PM CDT SAT JUL 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BALDWIN COUNTY HAS
EXPIRED...
LAT...LON 3055 8790 3064 8789 3071 8788 3074 8761
3052 8765
TIME...MOT...LOC 1930Z 321DEG 5KT 3060 8775
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 12:59 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 31 min |
| Jul 2, 1:03 PM CDT | Special Marine Warning | MOB | 42 min | |
| Jul 2, 1:12 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 26 min |
| Jul 2, 2:28 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 31 min |
| Jul 2, 2:37 PM CDT | Areal Flood Advisory | MOB | Baldwin | 53 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011
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.