Alert archive / Alabama / Flood Watches in 2021
Flood Watch 1, NWS Birmingham, AL
NWS Birmingham, AL issued this flood watch at Feb 28, 2021, 2:06 AM CST for Lamar County, Marion County, Winston County, Alabama. It took effect at Feb 28, 2021, 6:00 PM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 28, 2021, 2:06 AM CST (08:06 UTC)
- In effect from
- Feb 28, 2021, 6:00 PM CST
- Expired
- Mar 1, 2021, 6:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Birmingham, AL
- Flood severity
- None
Counties Lamar County, AL, Marion County, AL, Winston County, AL
The radar
The Columbus AFB radar (KGWX), 52 km from the middle of the area, began a volume at 08:05 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
Birmingham, AL (KBMX), launched 00:00Z, 8.1 hours before the alert went out and 132 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
- 114 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1252 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
801 WGUS64 KBMX 280806 FFABMX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Birmingham AL 206 AM CST Sun Feb 28 2021 ALZ011-012-014-281900- /O.NEW.KBMX.FA.A.0001.210301T0000Z-210301T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Winston- Including the cities of Vernon, Double Springs, Hamilton, and Sulligent 206 AM CST Sun Feb 28 2021 ...FLOOD WATCH IN EFFECT FOR TONIGHT... The National Weather Service in Birmingham has issued a * Flood Watch for portions of northwest Alabama and west central Alabama, including the following areas, in northwest Alabama, Marion and Winston. In west central Alabama, Lamar. * From this evening through late tonight * One to one and half inches of rain with some locally higher amounts are expected through tonight across areas already saturated from Thursday and Friday's rains. This may cause some flooding in low lying areas. 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. && $$ 08
1 follow-up statement
724 WGUS64 KBMX 281817 FFABMX Flood Watch National Weather Service Birmingham AL 1217 PM CST Sun Feb 28 2021 ALZ011-012-014-011200- /O.CON.KBMX.FA.A.0001.210301T0000Z-210301T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marion-Lamar-Winston- Including the cities of Vernon, Double Springs, Hamilton, and Sulligent 1217 PM CST Sun Feb 28 2021 ...FLOOD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING THROUGH LATE TONIGHT... The Flood Watch continues for * Portions of northwest Alabama and west central Alabama, including the following areas, in northwest Alabama, Marion and Winston. In west central Alabama, Lamar. * From 6 PM CST this evening through late tonight * One to one and half inches of rain with some locally higher amounts are expected through tonight across areas already saturated from Thursday and Friday's rains. This may cause some flooding in low lying areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible flood warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ 56
Nearby
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.