Alert archive / Alabama / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 77, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Apr 30, 2005, 2:09 AM CDT for Cullman County, Morgan County, Alabama. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2005, 2:09 AM CDT (07:09 UTC)
- Expired
- Apr 30, 2005, 2:30 AM CDT
- In force
- 21 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
Counties Cullman County, AL, Morgan County, AL
The radar
The Northeast Alabama radar (KHTX), 100 km from the middle of the area, began a volume at 07:26 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 29, 9:45 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 7.2 hours before the alert went out and 124 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
- 84 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1501 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 29, 10:00 PM CDT, 4 hours 9 minutes earlier.
Area forecast discussion, Apr 29, 10:00 PM CDT, 4 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1000 PM CDT FRI APR 29 2005
.UPDATE...
DID QUICK UPDATE FOR NEW TORNADO WATCH FOR ALL OF NRN ALABAMA TILL
5 AM. OUR TN ZONES STILL UNDER SEVERE TSRA WATCH TILL 2 AM.
INCREASING 8H WINDS WILL PRODUCE GOOD LOW LEVEL SHEAR ACROSS
ALABAMA THUS TORNADOES WILL STILL BE POSSIBLE TONIGHT. FFG VALUES
ARE 2 TO 3 INCHES PER HOUR...ATTM WILL LEAVE FFA AS IS.
&&
.HUN WATCHES/WARNINGS/ADVISORIES...
AL...FLASH FLOOD WATCH UNTIL 6 AM SATURDAY FOR ALZ001-ALZ002-ALZ003-
ALZ004-ALZ005-ALZ006.
TN...FLASH FLOOD WATCH UNTIL 6 AM SATURDAY FOR TNZ076-TNZ096-TNZ097.
&&
07Hazardous weather outlook, Apr 29, 11:13 PM CDT, 2 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1113 PM CDT FRI APR 29 2005 ALZ001>010-016-TNZ076-096-097-301000- COLBERT-CULLMAN-DE KALB-FRANKLIN AL-FRANKLIN TN-JACKSON-LAUDERDALE- LAWRENCE-LIMESTONE-LINCOLN-MADISON-MARSHALL-MOORE-MORGAN- 1113 PM CDT FRI APR 29 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PARTS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...(OVERNIGHT)... A LOW PRESSURE SYSTEM OVER NORTHERN MISSISSIPPI WILL DRAG A COLD FRONT ACROSS THE TENNESSEE VALLEY OVERNIGHT. THIS WILL PRODUCE A FEW STRONG TO SEVERE THUNDERSTORMS. THE MAIN SEVERE WEATHER THREATS WILL BE LARGE HAIL...DAMAGING WINDS AND HEAVY RAIN. A FEW ISOLATED TORNADOES WILL ALSO BE POSSIBLE...HOWEVER THE TORNADO THREAT WILL BEGIN TO DIMINISH DURING THE EARLY MORNING HOURS. .DAYS TWO THROUGH SEVEN...(SATURDAY THROUGH THURSDAY)... THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW. THE SHOWER AND THUNDERSTORM ACTIVITY WILL END BY NOON TIME SATURDAY ACROSS THE AREA. OTHERWISE...THE NEXT CHANCE OF SHOWERS AND THUNDERSTORMS WILL BE TUESDAY THROUGH WEDNESDAY OF NEXT WEEK. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS IN EFFECT. SS
In the hours before
Special weather statement, Apr 29, 11:58 PM CDT, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1158 PM CDT FRI APR 29 2005 ALZ001-300530- LAUDERDALE- 1158 PM CDT FRI APR 29 2005 ...SIGNIFICANT WEATHER ALERT FOR LAUDERDALE COUNTY... AT 1158 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CHEROKEE...OR 14 MILES WEST OF SHEFFIELD...MOVING EAST AT 55 MPH. DIME SIZE HAIL...WINDS UP TO 50 MPH...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. LOCATIONS IN OR NEAR THE PATH INCLUDE...OAKLAND...PETERSVILLE... ST. FLORIAN...KILLEN...AND CENTER STAR. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 5 AM CDT. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. 27
Special weather statement, Apr 30, 12:10 AM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1210 AM CDT SAT APR 30 2005 ALZ002-300600- COLBERT- 1210 AM CDT SAT APR 30 2005 ...SIGNIFICANT WEATHER ALERT FOR COLBERT COUNTY... AT 1210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES SOUTHWEST OF CHEROKEE...OR 12 MILES SOUTHEAST OF IUKA MISSISSIPPI...MOVING EAST AT 30 MPH. DIME SIZE HAIL AND WINDS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... MYNOT. MOUNT HESTER. CHEROKEE. RED ROCK. TUSCUMBIA. MUSCLE SHOALS. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 5 AM CDT. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. 27
Special weather statement, Apr 30, 12:28 AM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1228 AM CDT SAT APR 30 2005 ALZ001-300600- LAUDERDALE- 1228 AM CDT SAT APR 30 2005 ...SIGNIFICANT WEATHER ALERT FOR LAUDERDALE COUNTY... AT 1228 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6 MILES SOUTHWEST OF PETERSVILLE...MOVING NORTHEAST AT 50 MPH. DIME SIZE HAIL...WINDS UP TO 50 MPH...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. LOCATIONS IN OR NEAR THE PATH INCLUDE... OAKLAND. UNDERWOOD-PETERSVILLE. ST. FLORIAN. KILLEN. CENTER STAR. LEXINGTON. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 5 AM CDT. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. 27
Special weather statement, Apr 30, 1:12 AM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 112 AM CDT SAT APR 30 2005 ALZ001-002-300700- COLBERT-LAUDERDALE- 112 AM CDT SAT APR 30 2005 ...SIGNIFICANT WEATHER ALERT FOR COLBERT AND LAUDERDALE COUNTIES... AT 112 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR BURTON MISSISSIPPI...OR 14 MILES SOUTH OF IUKA...MOVING NORTHEAST AT 45 MPH. DIME SIZE HAIL...WINDS UP TO 50 MPH...AND FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... BURNSTOWN. MYNOT. MT HESTER. RED ROCK. OAKLAND. SHEFFIELD. THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A WARNING IS ISSUED. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 5 AM CDT. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. 27
Special weather statement, Apr 30, 1:55 AM CDT, 14 minutes before
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</html>Special weather statement, Apr 30, 1:58 AM CDT, 11 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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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 |
|---|---|---|---|---|
| Apr 30, 3:13 AM CDT | Severe Thunderstorm Warning | HUN | Cullman | 47 min |
| Apr 30, 4:09 AM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Marshall | 37 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2005Every severe thunderstorm warning in 2005
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.