Alert archive / Alabama / Flash Flood Watches in 2012
Flash Flood Watch 2, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood watch at Jan 25, 2012, 4:47 AM CST for 11 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It took effect at Jan 26, 2012, 6:00 AM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jan 25, 2012, 4:47 AM CST (10:47 UTC)
- In effect from
- Jan 26, 2012, 6:00 AM CST
- Expired
- Jan 26, 2012, 1:05 PM CST
- In force
- 7 hr
- Issued by
- NWS Huntsville, AL
- Flood severity
- None
Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 10:50 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 00:00Z, 10.8 hours before the alert went out and 159 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1906 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -53 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
639 WGUS64 KHUN 251047 FFAHUN URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HUNTSVILLE AL 447 AM CST WED JAN 25 2012 ...POTENTIAL FOR HEAVY RAINFALL WILL ELEVATE FLASH FLOODING THREAT ON THURSDAY... ALZ001>005-007-016-251900- /O.NEW.KHUN.FF.A.0002.120126T1200Z-120127T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MORGAN-CULLMAN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...DECATUR...CULLMAN 447 AM CST WED JAN 25 2012 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA...INCLUDING THE FOLLOWING AREAS...IN NORTH CENTRAL ALABAMA...CULLMAN...LIMESTONE AND MORGAN. IN NORTHWEST ALABAMA...COLBERT...FRANKLIN AL...LAUDERDALE AND LAWRENCE. * FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON * SHOWERS AND SCATTERED THUNDERSTORMS...SOME OF WHICH MAY BE HEAVY...WILL MOVE INTO NORTHWEST AND NORTH CENTRAL ALABAMA ON THURSDAY MORNING AND CONTINUE INTO THE AFTERNOON. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO ELEVATED SOIL MOISTURE CONDITIONS FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED ON THURSDAY. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING IN URBAN AND POORLY DRAINED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ ALZ006-008>010-TNZ076-096-097-251900- /O.NEW.KHUN.FF.A.0002.120126T1800Z-120127T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MADISON-MARSHALL-JACKSON-DEKALB-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...HUNTSVILLE...GUNTERSVILLE... SCOTTSBORO...FORT PAYNE...LYNCHBURG...FAYETTEVILLE...WINCHESTER 447 AM CST WED JAN 25 2012 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE...INCLUDING THE FOLLOWING AREAS...IN ALABAMA... DEKALB...JACKSON...MADISON AND MARSHALL. IN SOUTHERN MIDDLE TENNESSEE...FRANKLIN TN...LINCOLN AND MOORE. * FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING * SHOWERS AND SCATTERED THUNDERSTORMS...SOME OF WHICH MAY BE HEAVY...WILL MOVE INTO NORTHEASTERN ALABAMA AND SOUTHERN MIDDLE TENNESSEE BY THURSDAY AFTERNOON AND CONTINUE INTO THE EVENING. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO ELEVATED SOIL MOISTURE CONDITIONS FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED ON THURSDAY AFTERNOON AND EVENING. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING IN URBAN AND POORLY DRAINED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ KDW
5 follow-up statements
925 WGUS64 KHUN 251850 FFAHUN FLOOD WATCH NATIONAL WEATHER SERVICE HUNTSVILLE AL 1250 PM CST WED JAN 25 2012 ...POTENTIAL FOR HEAVY RAINFALL WILL ELEVATE FLASH FLOODING THREAT ON THURSDAY... ALZ001>005-007-016-260300- /O.CON.KHUN.FF.A.0002.120126T1200Z-120127T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MORGAN-CULLMAN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...DECATUR...CULLMAN 1250 PM CST WED JAN 25 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA... INCLUDING THE FOLLOWING AREAS...IN NORTH CENTRAL ALABAMA... CULLMAN...LIMESTONE AND MORGAN. IN NORTHWEST ALABAMA... COLBERT...FRANKLIN AL...LAUDERDALE AND LAWRENCE. * FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON * SHOWERS AND SCATTERED THUNDERSTORMS...SOME OF WHICH MAY BE HEAVY...WILL MOVE INTO NORTHWEST AND NORTH CENTRAL ALABAMA ON THURSDAY MORNING AND CONTINUE INTO THE AFTERNOON. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO ELEVATED SOIL MOISTURE CONDITIONS FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED ON THURSDAY. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING IN URBAN AND POORLY DRAINED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ ALZ006-008>010-TNZ076-096-097-260300- /O.CON.KHUN.FF.A.0002.120126T1800Z-120127T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MADISON-MARSHALL-JACKSON-DEKALB-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...HUNTSVILLE...GUNTERSVILLE... SCOTTSBORO...FORT PAYNE...LYNCHBURG...FAYETTEVILLE...WINCHESTER 1250 PM CST WED JAN 25 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE...INCLUDING THE FOLLOWING AREAS...IN ALABAMA...DEKALB...JACKSON...MADISON AND MARSHALL. IN SOUTHERN MIDDLE TENNESSEE...FRANKLIN TN... LINCOLN AND MOORE. * FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING * SHOWERS AND SCATTERED THUNDERSTORMS...SOME OF WHICH MAY BE HEAVY...WILL MOVE INTO NORTHEASTERN ALABAMA AND SOUTHERN MIDDLE TENNESSEE BY THURSDAY AFTERNOON AND CONTINUE INTO THE EVENING. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO ELEVATED SOIL MOISTURE CONDITIONS FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED ON THURSDAY AFTERNOON AND EVENING. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING IN URBAN AND POORLY DRAINED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
120 WGUS64 KHUN 260300 FFAHUN FLOOD WATCH NATIONAL WEATHER SERVICE HUNTSVILLE AL 900 PM CST WED JAN 25 2012 ...POTENTIAL FOR HEAVY RAINFALL WILL ELEVATE FLASH FLOODING THREAT ON THURSDAY... ALZ001>005-007-016-261230- /O.CON.KHUN.FF.A.0002.120126T1200Z-120127T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MORGAN-CULLMAN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...DECATUR...CULLMAN 900 PM CST WED JAN 25 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 AM CST THURSDAY THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA... INCLUDING THE FOLLOWING COUNTIES...IN NORTH CENTRAL ALABAMA... CULLMAN...LIMESTONE AND MORGAN. IN NORTHWEST ALABAMA... COLBERT...FRANKLIN AL...LAUDERDALE AND LAWRENCE. * FROM 6 AM CST THURSDAY THROUGH 6 PM CST THURSDAY * SHOWERS AND THUNDERSTORMS...SOME OF WHICH MAY PRODUCE HEAVY RAINFALL...WILL MOVE INTO NORTHWEST AND NORTH CENTRAL ALABAMA ON THURSDAY MORNING AND CONTINUE INTO THE AFTERNOON. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO ELEVATED SOIL MOISTURE CONDITIONS FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED ON THURSDAY. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING...ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ ALZ006-008>010-TNZ076-096-097-261230- /O.CON.KHUN.FF.A.0002.120126T1800Z-120127T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MADISON-MARSHALL-JACKSON-DEKALB-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...HUNTSVILLE...GUNTERSVILLE... SCOTTSBORO...FORT PAYNE...LYNCHBURG...FAYETTEVILLE...WINCHESTER 900 PM CST WED JAN 25 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL AND NORTHEAST ALABAMA AND SOUTHERN MIDDLE TENNESSEE...INCLUDING THE FOLLOWING COUNTIES...IN ALABAMA... DEKALB...JACKSON...MADISON AND MARSHALL. IN SOUTHERN MIDDLE TENNESSEE...FRANKLIN TN...LINCOLN AND MOORE. * FROM 12 PM CST THURSDAY THROUGH 12 AM CST FRIDAY * SHOWERS AND THUNDERSTORMS...SOME OF WHICH MAY PRODUCE HEAVY RAINFALL...WILL MOVE INTO NORTHEASTERN ALABAMA AND SOUTHERN MIDDLE TENNESSEE BY THURSDAY AFTERNOON AND CONTINUE INTO THE EVENING. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO ELEVATED SOIL MOISTURE CONDITIONS FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED ON THURSDAY AFTERNOON AND EVENING. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING...ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ 70/DD
621 WGUS64 KHUN 261222 FFAHUN FLOOD WATCH NATIONAL WEATHER SERVICE HUNTSVILLE AL 622 AM CST THU JAN 26 2012 ...POTENTIAL FOR HEAVY RAINFALL WILL ELEVATE THE FLASH FLOODING THREAT TODAY... ALZ001>005-007-016-261900- /O.CON.KHUN.FF.A.0002.000000T0000Z-120127T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MORGAN-CULLMAN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...DECATUR...CULLMAN 622 AM CST THU JAN 26 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA... INCLUDING THE FOLLOWING AREAS...IN NORTH CENTRAL ALABAMA... CULLMAN...LIMESTONE AND MORGAN. IN NORTHWEST ALABAMA... COLBERT...FRANKLIN AL...LAUDERDALE AND LAWRENCE. * UNTIL 6 PM CST THIS EVENING * SHOWERS AND THUNDERSTORMS...SOME OF WHICH MAY PRODUCE HEAVY RAINFALL...WILL MOVE INTO NORTHWEST AND NORTH CENTRAL ALABAMA THIS MORNING AND CONTINUE INTO THE AFTERNOON. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO RELATIVELY HIGH SOIL MOISTURE FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED TODAY. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING... ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ ALZ006-008>010-TNZ076-096-097-261900- /O.CON.KHUN.FF.A.0002.120126T1800Z-120127T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MADISON-MARSHALL-JACKSON-DEKALB-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...HUNTSVILLE...GUNTERSVILLE... SCOTTSBORO...FORT PAYNE...LYNCHBURG...FAYETTEVILLE...WINCHESTER 622 AM CST THU JAN 26 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM NOON CST TODAY THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE...INCLUDING THE FOLLOWING AREAS...IN ALABAMA...DEKALB...JACKSON...MADISON AND MARSHALL. IN SOUTHERN MIDDLE TENNESSEE...FRANKLIN TN... LINCOLN AND MOORE. * FROM NOON CST TODAY THROUGH THIS EVENING * SHOWERS AND THUNDERSTORMS...SOME OF WHICH MAY PRODUCE HEAVY RAINFALL...WILL MOVE INTO NORTHEASTERN ALABAMA AND SOUTHERN MIDDLE TENNESSEE BY THIS AFTERNOON AND CONTINUE INTO THE EVENING. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS WHERE THUNDERSTORMS OCCUR. DUE TO RELATIVELY HIGH SOIL MOISTURE FROM RECENT HEAVY RAINFALL...THE THREAT FOR FLASH FLOODING WILL BE ELEVATED THIS AFTERNOON AND EVENING. * RAPID RUNOFF MAY LEAD TO SIGNIFICANT PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR FLASH FLOODING... ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ KDW
349 WGUS64 KHUN 261901 FFAHUN URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE HUNTSVILLE AL 101 PM CST THU JAN 26 2012 ...MODERATE TO HEAVY RAINFALL CONTINUES ACROSS MUCH OF THE AREA... .MODERATE TO OCCASIONALLY HEAVY RAINFALL...DEVELOPING WELL AHEAD OF A SLOW MOVING COLD FRONT CURRENTLY LOCATED ACROSS WESTERN MISSISSIPPI AND SOUTHEAST LOUISIANA...IS EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE AFTERNOON PERIOD. WITH SEVERAL CREEKS...STREAMS AND SIDE DITCHES NEARLY FULL...ANY ADDITIONAL RAINFALL MAY LEAD TO MINOR FLOODING ON SOME AREA ROADS AND LOW LYING AREAS. ALZ001>005-007-016-270000- /O.CAN.KHUN.FF.A.0002.000000T0000Z-120127T0000Z/ /O.NEW.KHUN.FA.A.0001.120126T1901Z-120127T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MORGAN-CULLMAN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...DECATUR...CULLMAN 101 PM CST THU JAN 26 2012 ...FLOOD WATCH IN EFFECT UNTIL 6 PM CST THIS EVENING... ...FLASH FLOOD WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA...INCLUDING THE FOLLOWING AREAS...IN NORTH CENTRAL ALABAMA...CULLMAN...LIMESTONE AND MORGAN. IN NORTHWEST ALABAMA...COLBERT...FRANKLIN AL...LAUDERDALE AND LAWRENCE. * UNTIL 6 PM CST THIS EVENING * SHOWERS...SOME OF WHICH MAY PRODUCE HEAVY RAINFALL...WILL CONTINUE TO MOVE EASTWARD ACROSS MUCH OF NORTHWEST AND NORTH CENTRAL ALABAMA THROUGH THE AFTERNOON PERIOD. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN AREAS WHICH RECEIVE MULTIPLE ROUNDS OF RAINFALL. DUE TO RELATIVELY HIGH SOIL MOISTURE FROM RECENT HEAVY RAINFALL...THE THREAT OF AREAL FLOODING IS POSSIBLE THROUGH 6 PM...ALTHOUGH THE THREAT OF FLASH HAS DIMINISHED WITH ANY THUNDERSTORM ACTIVITY OCCURRING WELL SOUTH AND EAST OF THE AREA. * RAPID RUNOFF FROM THE RAINFALL MAY LEAD TO PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR AREAL FLOODING...ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE...ALONG WITH AREAS NEAR LOCAL RIVERS...CREEKS OR STREAMS WITH ELEVATED STAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && THE FLASH FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA HAS BEEN CANCELLED WITH THE THREAT OF STRONG THUNDERSTORMS NO LONGER ANTICIPATED. $$ ALZ006-008>010-TNZ076-096-097-270300- /O.CAN.KHUN.FF.A.0002.000000T0000Z-120127T0600Z/ /O.NEW.KHUN.FA.A.0001.120126T1901Z-120127T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MADISON-MARSHALL-JACKSON-DEKALB-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...HUNTSVILLE...GUNTERSVILLE... SCOTTSBORO...FORT PAYNE...LYNCHBURG...FAYETTEVILLE...WINCHESTER 101 PM CST THU JAN 26 2012 ...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...FLASH FLOOD WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE...INCLUDING THE FOLLOWING AREAS...IN ALABAMA... DEKALB...JACKSON...MADISON AND MARSHALL. IN SOUTHERN MIDDLE TENNESSEE...FRANKLIN TN...LINCOLN AND MOORE. * UNTIL MIDNIGHT CST TONIGHT * SHOWERS...SOME OF WHICH MAY PRODUCE MODERATE TO HEAVY RAINFALL...WILL CONTINUE TO MOVE EASTWARD ACROSS MUCH OF NORTHEAST ALABAMA ALONG WITH PORTIONS OF SOUTHERN MIDDLE TENNESSEE THROUGH THE EVENING PERIOD. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN AREAS WHICH RECEIVE MULTIPLE ROUNDS OF RAINFALL. DUE TO RELATIVELY HIGH SOIL MOISTURE FROM RECENT HEAVY RAINFALL...THE THREAT OF AREAL FLOODING IS POSSIBLE THROUGH MIDNIGHT...ALTHOUGH THE THREAT OF FLASH HAS DIMINISHED WITH MORE OF THE THUNDERSTORM ACTIVITY OCCURRING SOUTH OF THE AREA. * RAPID RUNOFF FROM THE RAINFALL MAY LEAD TO PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR AREAL FLOODING...ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE...ALONG WITH AREAS NEAR LOCAL RIVERS...CREEKS OR STREAMS WITH ELEVATED STAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && THE FLASH FLOOD WATCH FOR PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE HAS BEEN CANCELLED WITH THE THREAT OF THUNDERSTORMS BECOMING INCREASINGLY UNLIKELY. $$
078 WGUS64 KHUN 261910 CCA FFAHUN URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH...CORRECTED NATIONAL WEATHER SERVICE HUNTSVILLE AL 105 PM CST THU JAN 26 2012 ...MODERATE TO HEAVY RAINFALL CONTINUES ACROSS MUCH OF THE AREA... .MODERATE TO OCCASIONALLY HEAVY RAINFALL...DEVELOPING WELL AHEAD OF A SLOW MOVING COLD FRONT CURRENTLY LOCATED ACROSS WESTERN MISSISSIPPI AND SOUTHEAST LOUISIANA...IS EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE AFTERNOON PERIOD. WITH SEVERAL CREEKS...STREAMS AND SIDE DITCHES NEARLY FULL...ANY ADDITIONAL RAINFALL MAY LEAD TO MINOR FLOODING ON SOME ROADS IN LOW LYING AREAS. ALZ001>005-007-016-270000- /O.CAN.KHUN.FF.A.0002.000000T0000Z-120127T0000Z/ /O.COR.KHUN.FA.A.0001.120126T1905Z-120127T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MORGAN-CULLMAN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...DECATUR...CULLMAN 105 PM CST THU JAN 26 2012 ...FLOOD WATCH IN EFFECT UNTIL 6 PM CST THIS EVENING... ...FLASH FLOOD WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA...INCLUDING THE FOLLOWING AREAS...IN NORTH CENTRAL ALABAMA...CULLMAN...LIMESTONE AND MORGAN. IN NORTHWEST ALABAMA...COLBERT...FRANKLIN AL...LAUDERDALE AND LAWRENCE. * UNTIL 6 PM CST THIS EVENING * SHOWERS...SOME OF WHICH MAY PRODUCE HEAVY RAINFALL...WILL CONTINUE TO MOVE EASTWARD ACROSS MUCH OF NORTHWEST AND NORTH CENTRAL ALABAMA THROUGH THE AFTERNOON PERIOD. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN AREAS WHICH RECEIVE MULTIPLE ROUNDS OF RAINFALL. DUE TO RELATIVELY HIGH SOIL MOISTURE FROM RECENT HEAVY RAINFALL...THE THREAT OF AREAL FLOODING IS POSSIBLE THROUGH 6 PM...ALTHOUGH THE THREAT OF FLASH FLOODING HAS DIMINISHED WITH ANY THUNDERSTORM ACTIVITY OCCURRING WELL SOUTH AND EAST OF THE AREA. * RAPID RUNOFF FROM THE RAINFALL MAY LEAD TO PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR AREAL FLOODING...ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE...ALONG WITH AREAS NEAR LOCAL RIVERS...CREEKS OR STREAMS WITH ELEVATED STAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && THE FLASH FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL ALABAMA AND NORTHWEST ALABAMA HAS BEEN CANCELLED WITH THE THREAT OF STRONG THUNDERSTORMS NO LONGER ANTICIPATED. $$ ALZ006-008>010-TNZ076-096-097-270315- /O.CAN.KHUN.FF.A.0002.000000T0000Z-120127T0600Z/ /O.COR.KHUN.FA.A.0001.120126T1905Z-120127T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MADISON-MARSHALL-JACKSON-DEKALB-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...HUNTSVILLE...GUNTERSVILLE... SCOTTSBORO...FORT PAYNE...LYNCHBURG...FAYETTEVILLE...WINCHESTER 105 PM CST THU JAN 26 2012 ...FLOOD WATCH IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...FLASH FLOOD WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE...INCLUDING THE FOLLOWING AREAS...IN ALABAMA... DEKALB...JACKSON...MADISON AND MARSHALL. IN SOUTHERN MIDDLE TENNESSEE...FRANKLIN TN...LINCOLN AND MOORE. * UNTIL MIDNIGHT CST TONIGHT * SHOWERS...SOME OF WHICH MAY PRODUCE MODERATE TO HEAVY RAINFALL...WILL CONTINUE TO MOVE EASTWARD ACROSS MUCH OF NORTHEAST ALABAMA ALONG WITH PORTIONS OF SOUTHERN MIDDLE TENNESSEE THROUGH THE EVENING PERIOD. WIDESPREAD RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN AREAS WHICH RECEIVE MULTIPLE ROUNDS OF RAINFALL. DUE TO RELATIVELY HIGH SOIL MOISTURE FROM RECENT HEAVY RAINFALL...THE THREAT OF AREAL FLOODING IS POSSIBLE THROUGH MIDNIGHT...ALTHOUGH THE THREAT OF FLASH FLOODING HAS DIMINISHED WITH MORE OF THE THUNDERSTORM ACTIVITY OCCURRING SOUTH OF THE AREA. * RAPID RUNOFF FROM THE RAINFALL MAY LEAD TO PONDING OF WATER ON AREA ROADWAYS AND INCREASED POTENTIAL FOR AREAL FLOODING...ESPECIALLY IN URBAN AREAS AND LOCATIONS WITH NORMALLY POOR DRAINAGE...ALONG WITH AREAS NEAR LOCAL RIVERS...CREEKS OR STREAMS WITH ELEVATED STAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && THE FLASH FLOOD WATCH FOR PORTIONS OF ALABAMA AND SOUTHERN MIDDLE TENNESSEE HAS BEEN CANCELLED WITH THE THREAT OF THUNDERSTORMS BECOMING INCREASINGLY UNLIKELY. $$
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 Jan 25, 4:25 AM CST, 22 minutes earlier.
Area forecast discussion, Jan 25, 4:25 AM CST, 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
425 AM CST WED JAN 25 2012
.DISCUSSION...
THE PRIMARY CONCERN OVER THE NEXT SEVERAL DAYS WILL BE FLASH
FLOODING AND LONGER TERM RIVER FLOODING IF THE CURRENT EXPECTED
SCENARIO PLAYS OUT. WILL BE ISSUING A FLASH FLOOD WATCH WITH THE
MORNING FCST PACKAGE. WHILE THE SFC LOW MAY TRACK JUST TO OUR
NORTH...FCST SHEAR AND INSTABILITY PROFILES DO NOT APPEAR
PARTICULARLY IMPRESSIVE AT THIS TIME. NEVERTHELESS...WILL BE
WATCHING THE EVOLUTION OF THE SFC LOW AND LOW-LVL WIND FIELD FOR
CHANGES. FOR THE WEEKEND...A COOLER AIRMASS WILL BE MOVING BACK INTO
THE REGION BUT WILL STILL NOT BE PARTICULARLY COLD FOR LATE JAN.
DETAILS BELOW.
EARLY MORNING ANALYSIS SHOWS A PARTIALLY CLOSED UPR LOW MOVING EWRD
ACROSS THE BIG BEND AREA OF TX. AHEAD OF THIS FEATURE...DEEP
CONVECTION AND STRATIFORM RAIN HAS DEVELOPED ACROSS A LARGE PORTION
OF THE SOUTHERN PLAINS. A SFC LOW AHEAD OF THE UPR LOW WAS LOCATED
IN SOUTH CENTRAL TX AND WILL GRADUALLY TRACK NEWD...APPROACHING THE
TN VALLEY REGION BY THURS MORNING. WELL TO THE NE OF THE SFC LOW...A
WARM FRONT WAS PUSHING NWD INTO CENTRAL/NORTHERN MISS AND AL.
REGIONAL RADARS WERE INDICATING MAINLY LGT RAIN WITH A FEW EMBEDDED
AND VERY SMALL HVY SHOWERS ASSOCIATED WITH THE WARM FRONT. FURTHER
ENHANCEMENT OF ISENTROPIC LIFT IS PROGGED AS THE WARM FRONT
CONTINUES TO MOVE NWD ACROSS OUR FCST AREA THIS MORNING. THUS...A
GRADUAL INCREASE IN THE COVERAGE OF RAIN/SHOWERS IS EXPECTED. POPS
HAVE BEEN INCREASED DUE TO THESE LATEST TRENDS AND WERE KEPT HIGHER
IN THE WEST WHERE THE COMBINATION OF LIFT/MOISTURE ADVECTION WILL
LIKELY BE STRONGER. HOWEVER...NOT EXPECTING MUCH RAINFALL WITH THIS
INITIAL PUSH OF MOISTURE...WITH AMOUNTS ARND A QUARTER INCH OR LESS
EXPECTED.
THE RAIN WILL TAPER OFF GRADUALLY THIS AFTERNOON AS THE WARM FRONT
PUSHES NWD AND THE AREA OF BEST LIFT BECOMES INCREASINGLY SHALLOW
AND ELEVATED. TEMPS MAY MANAGE TO CLIMB INTO THE 60S AT MANY
LOCATIONS THIS AFTERNOON...BUT DUE TO THE CLOUDS/SHOWERS AND A
PREDOMINANT ERLY SFC FLOW REGIME...WILL KEEP VALUES BELOW MOS FOR
THE MOST PART.
SHORT WAVE MINIMA AHEAD OF THE MAIN UPR LOW MAY SPARK A FEW SHOWERS
DURING THIS EVENING AND INTO THE OVERNIGHT PERIOD. HOWEVER...THE
MAIN SHIELD OF HVY RAIN AND EMBEDDED THUNDERSTORMS WILL PROBABLY NOT
BEGIN TO ENTER NW ALABAMA UNTIL ARND SUNRISE THURSDAY OR SHORTLY
THEREAFTER. FCST BUFR SOUNDINGS AND THERMAL/MOISTURE ADVECTION
PROFILES INDICATE SUFFICIENT INSTABILITY FOR TSRA PERHAPS AS EARLY
AS 12Z IN NW ALABAMA. THIS WILL GRADUALLY SPREAD EWRD AS THE SFC AND
UPR LOW SWING NEWD INTO THE LOWER MISS AND THEN THE TN VALLEY
REGIONS DURING THE DAY. PW VALUES WILL BE QUITE HIGH (~1.4 TO 1.5
INCHES)...ARND THE 99TH PCTILE FOR THIS TIME OF YEAR. A CHECK OF
SOIL MOISTURE VALUES PER THE USDA SCAN SITES AND THE NASA LIS 1KM
MODEL OVER NRN AL SHOWS VALUES ARE STILL VERY ELEVATED...WHICH WILL
EXACERBATE THE FLASH FLOODING THREAT. SINCE THIS MAY BE THE MOST
IMPACTFUL ASPECT OF THIS EVENT AND THE FLASH FLOODING CONCERNS ARE
EVIDENT...HAVE GONE AHEAD AND ISSUED A FLASH FLOOD WATCH FOR THE
ENTIRE AREA. THE WATCH HAS BEEN SPLIT BETWEEN WEST AND
EAST...BEGINNING AT 12Z IN THE WEST AND 18Z IN THE EAST ON THURS AND
LASTING FOR 12 HOURS IN EACH AREA. WIDESPREAD ONE TO TWO INCH
RAINFALL APPEARS PROBABLE AND CONVECTIVE ENHANCEMENT WILL LIKELY
LEAD TO LOCALLY HIGHER AMOUNTS.
THE TRACK OF THE SFC LOW WILL FACTOR LARGELY INTO THE RESULTANT
SHEAR AND INSTABILITY ACROSS THE AREA. CURRENTLY...AM FAVORING A
TRACK DIRECTLY ACROSS OR PERHAPS JUST NORTH OF OUR CWA. THIS WILL
HELP TO MAXIMIZE THE SHEAR/INSTABILITY FROM THE MORE SOUTHERLY
SCENARIO DEPICTED BY THE GFS. HOWEVER...AS WAS STATED ABOVE THESE
VALUES DO NOT LOOK OVERLY IMPRESSIVE SO FAR. THE SHEAR MAY BE
SUFFICIENT TO ALLOW FOR SOME STORM ORGANIZATION AND
MAINTENANCE...BUT THE OVERALL THREAT FOR SVR WEATHER STILL LOOKS
SLIGHT ATTM.
THE RAINFALL WILL TAPER OFF IN THE WEST BY THE EARLY EVENING AND IN
THE EAST BY ABOUT MIDNIGHT. DUE TO LINGERING UNCERTAINTY IN THE
TIMING THOUGH...WILL STILL CARRY MENTION OF SHOWERS INTO THE
OVERNIGHT PERIOD. IN REALITY THOUGH...THE PRECIP MAY BE MORE LIKELY
TO MOVE OFF QUICKLY BEHIND THE FRONT.
THE FLASH FLOODING THREAT WILL END BY OR DURING THE NIGHTTIME ACROSS
THE AREA...BUT WILL GRADUALLY TRANSITION INTO A RIVER FLOODING
THREAT INTO THE WEEKEND. KEEP ABREAST OF THE LATEST RIVER FORECASTS
AS RAINFALL AMOUNTS BECOME MORE FINELY TUNED.
THE INITIAL AIRMASS BEHIND THE LOW PRESSURE IS MODIFIED PACIFIC IN
ORIGIN AND WILL BE COOLER...BUT NOT PARTICULARLY COLD.
NEVERTHELESS...LOW TEMPS MAY MANAGE TO FALL TO ARND FREEZING BY SAT
MORNING. AS THE PATTERN BECOMES SLIGHTLY MORE AMPLIFIED ESPECIALLY
IN THE EAST BY LATE SATURDAY...ANOTHER SHOT OF COOL AIR WILL ENTER
THE TN VALLEY. LOWS AGAIN ON SUN AND MONDAY MORNING MAY FALL BELOW
FREEZING INTO THE MID/UPR 20S AT MANY LOCATIONS. BUT...IT STILL
COULD BE A LOT COLDER FOR LATE JAN. HIGHS DURING THE WEEKEND WITH
GENERALLY ABUNDANT SUNSHINE (MAINLY HIGH THIN CLOUDS) WILL LIKELY BE
IN THE UPR 40S TO UPR 50S.
A MODERATING TREND IS EXPECTED NEXT WEEK AS THE UPR FLOW PATTERN
BECOMES MORE ZONAL AGAIN ACROSS THE CONUS.
KDW
&&
.AVIATION...
/ISSUED 1109 PM CST TUE JAN 24 2012/
FOR 06Z TAFS...UPPER LOW OVER WRN TX HAS NOT MOVE MUCH SINCE THE 00Z
TAF ISSUANCE...BUT CONTINUES TO PUSH CI CLOUDS INTO THE TN VALLEY.
NEW MODEL DATA KEEP THE ATMOSPHERE FAIRLY DRY WHICH WILL DELAY THE
CHC OF SHRA ACROSS THE CWA UNTIL ARND 18Z WEDNESDAY AFTN. NAM EVEN
HINTS THAT ANY PCPN WILL BE VERY SCT ACROSS THE CWA ON WEDNESDAY.
ATTM WILL GO WITH VCSH FOR TAFS BETWEEN 18Z AND 00Z. OTHERWISE VFR
CONDITIONS ARE EXPECTED AT BOTH TAFS UNTIL ARND 00Z...AFTER 00Z
EXPECT MVFR CONDITIONS.
99
&&
.PRELIMINARY POINT TEMPS/POPS...
HUNTSVILLE 63 54 68 46 56 / 60 70 100 90 10
SHOALS 62 55 69 42 56 / 80 80 100 80 0
VINEMONT 65 56 67 44 55 / 60 70 100 90 10
FAYETTEVILLE 59 54 66 43 54 / 70 70 100 90 10
ALBERTVILLE 63 53 66 46 57 / 50 50 100 100 10
FORT PAYNE 62 53 66 48 55 / 40 50 100 100 10
&&
.HUN WATCHES/WARNINGS/ADVISORIES...
AL...FLASH FLOOD WATCH FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING
FOR THE FOLLOWING ZONES: ALZ006-008>010.
FLASH FLOOD WATCH FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON
FOR THE FOLLOWING ZONES: ALZ001>005-007-016.
TN...FLASH FLOOD WATCH FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING
FOR THE FOLLOWING ZONES: TNZ076-096-097.
&&
FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE
AT WEATHER.GOV/HUNTSVILLE.Hazardous weather outlook, Jan 25, 4:47 AM CST, 0 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 447 AM CST WED JAN 25 2012 ALZ001>010-016-TNZ076-096-097-251900- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 447 AM CST WED JAN 25 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. RAIN SHOWERS MAY INCLUDE A FEW EMBEDDED THUNDERSTORMS LATE TONIGHT...MAINLY ACROSS NORTHWEST ALABAMA INTO SOUTHERN MIDDLE TENNESSEE. LOCALLY HEAVY DOWNPOURS MAY RESULT...ALTHOUGH SUSTAINED HEAVIER RAINFALL IS EXPECTED LATER ON THURSDAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... LOCALLY HEAVY RAINFALL AND THE POTENTIAL FOR FLASH FLOODING WILL INCREASE AGAIN ON THURSDAY AS A LOW PRESSURE SYSTEM NOW IN TEXAS MOVES NORTHEAST THROUGH THE REGION. RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE FORECAST...WITH LOCALLY HIGHER AMOUNTS POSSIBLE...SOME FALLING IN A SHORT PERIOD OF TIME. RUNOFF OF THIS RAINFALL INTO ALREADY SWOLLEN RIVERS AND STREAMS WILL LIKELY CAUSE MANY TO GO INTO FLOOD FROM FRIDAY INTO EARLY THIS WEEKEND. AT THIS TIME...MINOR TO MODERATE FLOODING IS ANTICIPATED. INTERESTS ON LOCAL AREA RIVERS AND STREAMS SHOULD MONITOR LATER FORECASTS AND POSSIBLE RIVER FLOOD WARNINGS. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL MAY BE NEEDED BY WEDNESDAY NIGHT THROUGH EARLY FRIDAY DUE TO THE EXPECTED HEAVY RAINFALL AND INCREASED FLOODING POTENTIAL.
Nearby
Flash Flood Watches in Alabama, 2012Flash Flood Watches in Tennessee, 2012Every flash flood watch 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.