Alert archive / Tennessee / Special Weather Statements in 2012
Special Weather Statement, NWS Huntsville, AL
NWS Huntsville, AL issued this special weather statement at May 6, 2012, 6:39 PM CDT for Franklin County, Tennessee. It was in force for 51 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
- May 6, 2012, 6:39 PM CDT (23:39 UTC)
- Expired
- May 6, 2012, 7:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Huntsville, AL
County Franklin County, TN
The radar
The Northeast Alabama radar (KHTX), 21 km from the middle of the area, began a volume at 23:41 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, 11.7 hours before the alert went out and 128 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
- 81 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 1612 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 51 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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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 May 6, 6:35 PM CDT, 4 minutes earlier.
Area forecast discussion, May 6, 6:35 PM CDT, 4 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1244 PM CDT SUN MAY 6 2012 ALZ001>010-016-TNZ076-096-097-071000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1244 PM CDT SUN MAY 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THROUGH TONIGHT... REDEVELOPMENT OF ISOLATED TO SCATTERED THUNDERSTORMS IS EXPECTED ACROSS SOUTHERN MIDDLE TENNESSEE AND FAR NORTHERN ALABAMA BY LATE THIS AFTERNOON INTO TONIGHT. THESE STORMS COULD BE STRONG TO SEVERE...PRODUCING HAIL TO UP TO QUARTER SIZE...FREQUENT LIGHTNING...GUSTY WINDS AND LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... MULTIPLE PERIODS OF THUNDERSTORMS ARE POSSIBLE MONDAY THROUGH TUESDAY. THE MOST FAVORABLE TIME PERIOD FOR THUNDERSTORMS WILL BE LATE MONDAY AFTERNOON AND MONDAY EVENING...AND AGAIN WITH A COLD FRONT TUESDAY. ONCE AGAIN...SOME STORMS MAY BE STRONG TO SEVERE...WITH LARGE HAIL...FREQUENT LIGHTNING...GUSTY WINDS AND LOCALLY HEAVY RAINFALL. .SPOTTER CALL TO ACTION STATEMENT... AREA WIDE ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED...BUT A FEW SPOTTER GROUPS MAY BE NEEDED TO RELAY REPORTS OF LOCAL SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. KULA
In the hours before
Special weather statement, May 6, 6:19 PM CDT, 20 minutes before
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</html>Special weather statement, May 6, 6:39 PM CDT, 0 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 |
|---|---|---|---|---|
| May 5, 7:16 PM CDT | Special Weather Statement | HUN | Morgan | 29 min |
| May 6, 12:42 AM CDT | Special Weather Statement | HUN | Madison | 33 min |
| May 6, 3:43 AM CDT | Special Weather Statement | HUN | Marshall | 47 min |
| May 6, 4:03 AM CDT | Special Weather Statement | HUN | Marshall | 42 min |
| May 6, 4:31 AM CDT | Special Weather Statement | HUN | Marshall | 44 min |
| May 6, 4:59 AM CDT | Special Weather Statement | HUN | Marshall | 46 min |
| May 6, 5:58 AM CDT | Special Weather Statement | HUN | Marshall | 47 min |
| May 6, 6:01 AM CDT | Special Weather Statement | HUN | Madison | 29 min |
| May 6, 6:07 AM CDT | Special Weather Statement | HUN | Madison | 23 min |
| May 6, 6:20 AM CDT | Special Weather Statement | HUN | Morgan | 25 min |
| May 6, 6:41 AM CDT | Special Weather Statement | HUN | Cullman | 49 min |
| May 6, 6:45 AM CDT | Flash Flood Warning | HUN | Marshall | 84 min |
| May 6, 7:31 AM CDT | Special Weather Statement | HUN | Morgan | 59 min |
| May 6, 3:25 PM CDT | Special Weather Statement | HUN | DeKalb | 50 min |
| May 6, 4:05 PM CDT | Special Weather Statement | HUN | DeKalb | 40 min |
| May 6, 4:12 PM CDT | Special Weather Statement | HUN | Jackson | 48 min |
| May 6, 4:40 PM CDT | Special Weather Statement | HUN | Lawrence | 50 min |
| May 6, 4:45 PM CDT | Special Weather Statement | HUN | DeKalb | 45 min |
| May 6, 4:57 PM CDT | Special Weather Statement | HUN | DeKalb | 48 min |
| May 6, 5:00 PM CDT | Special Weather Statement | HUN | Franklin | 45 min |
| May 6, 5:20 PM CDT | Special Weather Statement | HUN | Jackson | 40 min |
| May 6, 5:31 PM CDT | Special Weather Statement | HUN | DeKalb | 44 min |
| May 6, 5:41 PM CDT | Special Weather Statement | HUN | Franklin | 49 min |
| May 6, 5:52 PM CDT | Special Weather Statement | HUN | Marshall | 38 min |
| May 6, 6:08 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 22 min |
| May 6, 6:25 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 23 min |
| May 6, 6:29 PM CDT | Special Weather Statement | HUN | Marshall | 46 min |
| May 6, 6:32 PM CDT | Special Weather Statement | HUN | Jackson | 28 min |
| May 6, 6:35 PM CDT | Special Weather Statement | HUN | Marshall | 40 min |
| May 5, 7:01 PM CDT | Special Weather Statement | HUN | Moore | 29 min |
| May 5, 7:29 PM CDT | Special Weather Statement | HUN | Franklin, Moore | 31 min |
| May 5, 7:59 PM CDT | Special Weather Statement | HUN | Franklin | 31 min |
| May 5, 8:38 PM CDT | Special Weather Statement | HUN | Moore | 37 min |
| May 6, 4:16 AM CDT | Special Weather Statement | HUN | Lincoln | 44 min |
| May 6, 5:28 AM CDT | Special Weather Statement | HUN | Lincoln | 32 min |
| May 6, 6:19 PM CDT | Special Weather Statement | HUN | Franklin | 41 min |
| May 6, 6:27 PM CDT | Special Weather Statement | HUN | Moore | 48 min |
| May 6, 6:50 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln, Moore | 13 min |
Nearby
Special Weather Statements in Tennessee, 2012Every special weather statement in 2012
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.