Alert archive / Alabama / Flash Flood Watches in 2008
Flash Flood Watch 2, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood watch at Apr 4, 2008, 4:16 PM CDT for 6 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2008, 4:16 PM CDT (21:16 UTC)
- Expired
- Apr 4, 2008, 9:40 PM CDT
- In force
- 5 hr
- Issued by
- NWS Huntsville, AL
- Flood severity
- None
Counties Colbert County, AL, Franklin County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 89 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 151 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
- 251 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -254 m²/s²
- 0-3 km storm-relative helicity
- -102 m²/s²
- Significant tornado parameter
- -0.4
- Supercell composite
- -6.4
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Apr 4, 3:58 PM CDT, 18 minutes earlier.
Area forecast discussion, Apr 4, 3:58 PM CDT, 18 minutes before
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</html>Hazardous weather outlook, Apr 4, 12:42 PM CDT, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE HUNTSVILLE AL 1242 PM CDT FRI APR 4 2008 ALZ001>010-016-TNZ076-096-097-050300- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1242 PM CDT FRI APR 4 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THROUGH TONIGHT... A SECOND WAVE OF LOW PRESSURE WILL RIDE ALONG THE TRAILING COLD FRONT AND MOVE THROUGH THE CENTRAL TENNESSEE VALLEY THIS AFTERNOON. SHOWER AND THUNDERSTORM DEVELOPMENT IS POSSIBLE THIS AFTERNOON ESPECIALLY IN SOUTHERN AND EASTERN PORTIONS OF THE AREA...PRIMARILY IN CULLMAN...MORGAN...MARSHALL...JACKSON...AND DEKALB COUNTIES. DAMAGING WIND GUSTS...LOCALLY HEAVY RAINFALL...AND ISOLATED TORNADOES WILL CONTINUE TO BE THE PRIMARY WEATHER THREATS THROUGH THE AFTERNOON HOURS. RAIN AND ISOLATED THUNDERSTORMS ARE EXPECTED TO CONTINUE OVERNIGHT...BEFORE DIMINISHING TOWARD DAYBREAK ON SATURDAY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. THUNDERSTORMS WILL BE POSSIBLE ACROSS THE TENNESSEE VALLEY LATE TUESDAY NIGHT THROUGH THURSDAY AS A SERIES OF STORM SYSTEMS MOVE THROUGH THE REGION. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS POSSIBLE THIS MORNING THROUGH THIS AFTERNOON. KTW
In the hours before
Special weather statement, Apr 4, 10:48 AM CDT, 5 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1048 AM CDT FRI APR 4 2008 ALZ006-009-041630- JACKSON-MADISON- 1048 AM CDT FRI APR 4 2008 ...SIGNIFICANT WEATHER ALERT FOR JACKSON AND MADISON COUNTIES UNTIL 1130 AM CDT... AT 1043 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5 MILES NORTH OF MORGAN CITY...OR 10 MILES SOUTH OF REDSTONE ARSENAL...MOVING EAST AT 45 MPH. ONE HALF INCH DIAMETER HAIL AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. PEOPLE IN JACKSON AND SOUTHEASTERN MADISON COUNTIES...INCLUDING THE CITIES OF OWENS CROSSROADS...NEW HOPE...WOODVILLE...SCOTTSBORO AND HOLLYWOOD...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A WARNING IS ISSUED. KULA
Special weather statement, Apr 4, 11:35 AM CDT, 4 hours 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1135 AM CDT FRI APR 4 2008 ALZ009-041715- JACKSON- 1135 AM CDT FRI APR 4 2008 ...SIGNIFICANT WEATHER ALERT FOR JACKSON COUNTY UNTIL 1215 PM CDT... AT 1135 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR SCOTTSBORO...MOVING NORTHEAST AT 45 MPH. PEA SIZE HAIL...WINDS UP TO 40 MPH...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... MARTINTOWN. FACKLER. STEVENSON. FABIUS. FLAT ROCK. HIGDON. THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A WARNING IS ISSUED. KULA
Local storm report, Apr 4, 12:38 PM CDT, 3 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1238 PM CDT FRI APR 04 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0920 AM TSTM WND DMG 3 NE ATHENS 34.83N 86.93W
04/04/2008 LIMESTONE AL AMATEUR RADIO
ROOF DAMAGE TO BARN NEAR COPELAND
1120 AM TSTM WND DMG CULLMAN 34.17N 86.84W
04/04/2008 CULLMAN AL AMATEUR RADIO
POWER OUT AND DAMAGE IN DOWNTOWN AREA.
1145 AM TSTM WND DMG CULLMAN 34.17N 86.84W
04/04/2008 CULLMAN AL PUBLIC
TREES, POWER LINES AND POWER POLES DOWN. HOMES DAMAGED.
HWY 31 IN CULLMAN
1141 AM TSTM WND DMG LIM ROCK 34.67N 86.19W
04/04/2008 JACKSON AL EMERGENCY MNGR
TREES DOWN. DAMAGE TO MOBILE HOMES.
1141 AM TSTM WND DMG CULLMAN 34.17N 86.84W
04/04/2008 CULLMAN AL EMERGENCY MNGR
FOOD WORLD SHOPPING CENTER AT BRUNNER ST. AND SURROUNDING
AREA. AMBULANCES IN ROUTE.
&&Local storm report, Apr 4, 12:45 PM CDT, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1245 PM CDT FRI APR 04 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0920 AM TSTM WND DMG 3 NE ATHENS 34.83N 86.93W
04/04/2008 LIMESTONE AL AMATEUR RADIO
ROOF DAMAGE TO BARN NEAR COPELAND
0924 AM FLASH FLOOD ROGERSVILLE 34.83N 87.29W
04/04/2008 LAUDERDALE AL EMERGENCY MNGR
FLOODING REPORTED IN MANY LOCATIONS ACROSS THE
ROGERSVILLE COMMUNITY.
1120 AM TSTM WND DMG CULLMAN 34.17N 86.84W
04/04/2008 CULLMAN AL AMATEUR RADIO
POWER OUT AND DAMAGE IN DOWNTOWN AREA.
1141 AM TSTM WND DMG LIM ROCK 34.67N 86.19W
04/04/2008 JACKSON AL EMERGENCY MNGR
TREES DOWN. DAMAGE TO MOBILE HOMES.
1141 AM TSTM WND DMG CULLMAN 34.17N 86.84W
04/04/2008 CULLMAN AL EMERGENCY MNGR
FOOD WORLD SHOPPING CENTER AT BRUNNER ST. AND SURROUNDING
AREA. AMBULANCES IN ROUTE.
1145 AM TSTM WND DMG CULLMAN 34.17N 86.84W
04/04/2008 CULLMAN AL PUBLIC
TREES, POWER LINES AND POWER POLES DOWN. HOMES DAMAGED.
HWY 31 IN CULLMAN
&&The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 6:53 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 37 min |
| Apr 4, 8:09 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lawrence | 36 min |
| Apr 4, 8:20 AM CDT | Flash Flood Warning | HUN | Lauderdale | 3 hr |
| Apr 4, 8:27 AM CDT | Severe Thunderstorm Warning | HUN | Lauderdale, Limestone | 33 min |
| Apr 4, 8:29 AM CDT | Tornado Warning | HUN | Lauderdale, Limestone | 31 min |
| Apr 4, 8:52 AM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison | 38 min |
| Apr 4, 9:50 AM CDT | Severe Thunderstorm Warning | HUN | Madison | 25 min |
| Apr 4, 10:35 AM CDT | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 40 min |
| Apr 4, 11:16 AM CDT | Severe Thunderstorm Warning | HUN | Cullman | 29 min |
| Apr 4, 11:28 AM CDT | Severe Thunderstorm Warning | HUN | Marshall | 47 min |
| Apr 4, 12:09 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 51 min |
| Apr 4, 12:19 PM CDT | Tornado Warning | HUN | DeKalb | 26 min |
| Apr 4, 12:47 PM CDT | Tornado Warning | HUN | DeKalb | 28 min |
| Apr 4, 1:04 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 26 min |
| Apr 4, 2:34 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 41 min |
| Apr 4, 3:12 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 18 min |
| Apr 4, 3:22 PM CDT | Severe Thunderstorm Warning | HUN | Marshall | 38 min |
Nearby
Flash Flood Watches in Alabama, 2008Flash Flood Watches in Tennessee, 2008Every flash flood watch in 2008
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.