Alert archive / Alabama / Special Weather Statements in 2011
Special Weather Statement, NWS Huntsville, AL
NWS Huntsville, AL issued this special weather statement at Jun 18, 2011, 3:12 PM CDT for Lawrence County, Alabama. It was in force for 48 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
- Jun 18, 2011, 3:12 PM CDT (20:12 UTC)
- Expired
- Jun 18, 2011, 4:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Huntsville, AL
County Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 103 km from the middle of the area, began a volume at 20:14 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
Nashville Metro, TN (KBNA), launched 12:00Z, 8.2 hours before the alert went out and 211 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
- 2056 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
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 Huntsville, AL wrote its last area forecast discussion before this special weather statement went out at Jun 18, 3:00 PM CDT, 12 minutes earlier.
Area forecast discussion, Jun 18, 3:00 PM CDT, 12 minutes before
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</html>Hazardous weather outlook, Jun 18, 10:16 AM CDT, 4 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1016 AM CDT SAT JUN 18 2011 ALZ001>010-016-TNZ076-096-097-190215- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1016 AM CDT SAT JUN 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... A CLUSTER OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE AREA THIS AFTERNOON. SOME THUNDERSTORMS WILL BECOME STRONG TO SEVERE...CAPABLE OF PRODUCING DAMAGING WIND GUSTS...HAIL UP TO THE SIZE OF QUARTERS... HEAVY RAIN AND FREQUENT LIGHTNING. THE SEVERE THREAT WILL BEGIN TO DIMINISH AROUND 7 PM THIS EVENING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... THE THREAT FOR THUNDERSTORMS WILL DIMINISH AS HIGH PRESSURE BUILDS ACROSS THE REGION. HOWEVER...AFTERNOON HEAT INDEX VALUES WILL RISE INTO THE 100 TO 105 DEGREE RANGE SUNDAY THROUGH TUESDAY. ANOTHER CHANCE OF SHOWERS AND THUNDERSTORMS IS EXPECTED WEDNESDAY NIGHT INTO THURSDAY AS A COLD FRONT MOVES INTO THE REGION. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS POSSIBLE THIS AFTERNOON...MAINLY ACROSS SOUTHERN MIDDLE TENNESSEE AND NORTHEAST ALABAMA. SS
In the hours before
Local storm report, Jun 18, 2:42 PM CDT, 30 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 2:18 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 42 min |
| Jun 18, 2:26 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 33 min |
| Jun 18, 2:37 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson, Madison | 53 min |
| Jun 18, 2:44 PM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison, Morgan | 25 min |
| Jun 18, 3:28 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 36 min |
| Jun 18, 3:41 PM CDT | Special Weather Statement | HUN | Etowah | 49 min |
| Jun 18, 3:44 PM CDT | Special Weather Statement | HUN | Cullman | 46 min |
| Jun 18, 3:48 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 20 min |
| Jun 18, 1:32 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lincoln, Moore | 58 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.