Alert archive / Alabama / Special Weather Statements in 2011
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Feb 1, 2011, 3:08 PM CST for 4 counties in Alabama. It was in force for 52 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
- Feb 1, 2011, 3:08 PM CST (21:08 UTC)
- Expired
- Feb 1, 2011, 4:00 PM CST
- In force
- 52 min
- Issued by
- NWS Birmingham, AL
Counties Greene County, AL, Hale County, AL, Marengo County, AL, Sumter County, AL
The radar
The Birmingham radar (KBMX), 145 km from the middle of the area, began a volume at 21:12 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, 9.1 hours before the alert went out and 145 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
- 2 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 284 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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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 Feb 1, 1:41 PM CST, 1 hour 27 minutes earlier.
Area forecast discussion, Feb 1, 1:41 PM CST, 1 hour 27 minutes before
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</html>Hazardous weather outlook, Feb 1, 2:25 PM CST, 43 minutes before
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</html>In the hours before
Special weather statement, Feb 1, 3:08 PM CST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
308 PM CST TUE FEB 1 2011
ALZ030>032-039-012200-
GREENE AL-HALE AL-MARENGO AL-SUMTER AL-
308 PM CST TUE FEB 1 2011
...SIGNIFICANT WEATHER ADVISORY FOR GREENE...HALE...SUMTER AND
MARENGO COUNTIES UNTIL 400 PM CST...
AT 306 PM CST...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
LINE OF THUNDERSTORMS 14 MILES WEST OF CUBA...MOVING NORTHEAST AT 55
MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS
STORM.
LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CUBA...
YORK...
LIVINGSTON...
LINDEN...
DEMOPOLIS...
&&
LAT...LON 3298 8835 3299 8804 3297 8752 3214 8752
3213 8761 3201 8762 3200 8767 3200 8811
3206 8812 3209 8805 3214 8805 3217 8801
3228 8803 3231 8800 3231 8843
TIME...MOT...LOC 2107Z 235DEG 64KT 3240 8859
GOGGINSThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 3:39 PM CST | Special Weather Statement | BMX | Fayette, Lamar, Marion, Pickens | 66 min |
| Feb 1, 3:49 PM CST | Severe Thunderstorm Warning | BMX | Fayette, Lamar, Marion | 28 min |
Nearby
Special Weather Statements in Alabama, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.