Alert archive / Alabama / River Flood Warnings in 2020
River Flood Warning 28, NWS Huntsville, AL
NWS Huntsville, AL issued this river flood warning at Apr 12, 2020, 9:21 AM CDT for Lawrence County, Alabama. It took effect at Apr 13, 2020, 1:50 AM CDT. It was in force for 54 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2020, 9:21 AM CDT (14:21 UTC)
- In effect from
- Apr 13, 2020, 1:50 AM CDT
- Expired
- Apr 15, 2020, 8:18 AM CDT
- In force
- 54 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- Minor
County Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 117 km from the middle of the area, began a volume at 14:23 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 river
Written for the forecast point Big Nance Creek (AL) at Courtland (BNAA1). The gauge peaked at 19.21 ft at Apr 14, 2020, 5:00 AM CDT.
- Action stage
- 12 ft
- Minor stage
- 14 ft
- Moderate stage
- 16 ft
- Major stage
- 19 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 03586500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood 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 river flood warning went out at Apr 12, 9:07 AM CDT, 14 minutes earlier.
Area forecast discussion, Apr 12, 9:07 AM CDT, 14 minutes before
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</html>Hazardous weather outlook, Apr 12, 3:38 AM CDT, 5 hours 43 minutes before
Hazardous Weather Outlook National Weather Service Huntsville AL 338 AM CDT Sun Apr 12 2020 ALZ001>010-016-TNZ076-096-097-122300- Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- 338 AM CDT Sun Apr 12 2020 This Hazardous Weather Outlook is for north Alabama and portions of southern middle Tennessee. .DAY ONE...Today and Tonight... A severe weather outbreak is possible across the Tennessee Valley region this afternoon and evening. All modes of severe weather will be possible, including tornadoes, damaging winds and large hail. Excessive rainfall of 2 to 3 inches, with a few areas receiving 4 to 5 inches, will result in an elevated threat of flash flooding. A Flash Flood Watch is in effect from Noon through Midnight. A Wind Advisory is in effect from Noon through Midnight, with sustained winds of 15 to 25 mph and gusts of 35 to 40 mph, particularly in the higher elevations. .DAYS TWO THROUGH SEVEN...Monday through Saturday... No hazardous weather is expected at this time. Rises on area rivers, creeks, and streams may produce flooding this week as a result of rainfall on Sunday and Sunday night. .SPOTTER INFORMATION STATEMENT... Activation of storm spotters and emergency management personnel is expected this afternoon and evening. Please relay any information about observed severe weather to the National Weather Service while following all local, state, and CDC guidelines.
In the hours before
Special weather statement, Apr 12, 8:13 AM CDT, 1 hour 8 minutes before
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</html>Special weather statement, Apr 12, 8:53 AM CDT, 28 minutes before
Special Weather Statement
National Weather Service Huntsville AL
853 AM CDT Sun Apr 12 2020
ALZ001>003-121430-
Lauderdale AL-Franklin AL-Colbert AL-
853 AM CDT Sun Apr 12 2020
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LAUDERDALE...COLBERT AND
NORTHWESTERN FRANKLIN COUNTIES UNTIL 930 AM CDT...
At 852 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Tishomingo State Park, moving northeast at 55 mph.
Pea size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Florence, Muscle Shoals, Sheffield, Tuscumbia, Killen, Cherokee, St.
Florian, Underwood-Petersville, Malone and Posey Loop.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike several miles away from a thunderstorm. Seek a
safe shelter inside a building or vehicle.
&&
LAT...LON 3480 8810 3501 8766 3500 8764 3476 8746
3455 8780 3448 8794 3446 8815
TIME...MOT...LOC 1352Z 241DEG 49KT 3465 8806
RSBThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 3:36 AM CDT | Flash Flood Watch | HUN | Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more | 24 hr |
| Apr 12, 8:13 AM CDT | Special Weather Statement | HUN | Colbert | 17 min |
| Apr 12, 8:53 AM CDT | Special Weather Statement | HUN | Colbert, Lauderdale | 37 min |
| Apr 12, 9:22 AM CDT | Special Weather Statement | HUN | Lauderdale | 23 min |
| Apr 12, 9:46 AM CDT | Special Weather Statement | HUN | Colbert, Lauderdale | 29 min |
| Apr 12, 12:48 PM CDT | Special Weather Statement | HUN | Colbert, Franklin, Lauderdale | 42 min |
| Apr 12, 1:33 PM CDT | Special Weather Statement | HUN | Colbert, Lauderdale | 27 min |
| Apr 12, 2:48 PM CDT | Flash Flood Warning | HUN | Colbert, Lauderdale | 3 hr |
| Apr 12, 3:35 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 55 min |
| Apr 12, 4:04 PM CDT | Special Weather Statement | HUN | Limestone | 41 min |
| Apr 12, 4:19 PM CDT | Special Weather Statement | HUN | Lawrence | 26 min |
| Apr 12, 4:42 PM CDT | Special Weather Statement | HUN | Lawrence, Limestone, Madison, Morgan | 63 min |
| Apr 12, 5:18 PM CDT | Special Weather Statement | HUN | Cullman | 42 min |
| Apr 12, 5:27 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 33 min |
| Apr 12, 5:39 PM CDT | Areal Flood Warning | HUN | Colbert, Lauderdale | 3 hr |
| Apr 12, 6:02 PM CDT | Areal Flood Warning | HUN | Lawrence, Limestone, Morgan | 12 hr |
| Apr 12, 6:24 PM CDT | Tornado Warning | HUN | DeKalb, Marshall | 36 min |
| Apr 12, 6:31 PM CDT | Areal Flood Warning | HUN | Madison | 12 hr |
| Apr 12, 6:52 PM CDT | Flash Flood Warning | HUN | DeKalb, Marshall | 3 hr |
Nearby
River Flood Warnings in Alabama, 2020Every river flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.