Alert archive / Alabama / Flash Flood Warnings in 1991

Flash Flood Warning 16, NWS Birmingham, AL

February 19, 1991Limestone County, Madison County, Morgan County, Alabama

NWS Birmingham, AL issued this flash flood warning at Feb 19, 1991, 4:24 PM CST for Limestone County, Madison County, Morgan County, Alabama. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Feb 19, 1991, 4:24 PM CST (22:24 UTC)
Expired: Feb 19, 1991, 8:30 PM CST
In force: 4 hr
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Limestone County, AL, Madison County, AL, Morgan County, AL

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.4 hours before the alert went out and 163 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 706 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: -82 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Feb 19, 1:59 PM CST, 2 hours 25 minutes before

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Special weather statement, Feb 19, 2:11 PM CST, 2 hours 13 minutes before

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Special weather statement, Feb 19, 2:12 PM CST, 2 hours 12 minutes before

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Special weather statement, Feb 19, 2:16 PM CST, 2 hours 8 minutes before

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Special weather statement, Feb 19, 3:42 PM CST, 42 minutes before

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Special weather statement, Feb 19, 3:52 PM CST, 32 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 18, 9:25 PM CST	Flash Flood Warning	BMX	Colbert, Lauderdale, Lawrence, Limestone	6 hr
Feb 18, 9:25 PM CST	Flash Flood Warning	BMX	Franklin	6 hr
Feb 18, 9:25 PM CST	Flash Flood Warning	BMX	Madison, Morgan	6 hr
Feb 19, 3:30 AM CST	Flash Flood Warning	BMX	Lawrence, Limestone, Morgan	3 hr
Feb 19, 3:30 AM CST	Flash Flood Warning	BMX	Colbert, Lauderdale	3 hr
Feb 19, 4:56 AM CST	Flash Flood Warning	BMX	Madison	3 hr
Feb 19, 6:29 AM CST	Flash Flood Warning	BMX	Colbert, Lauderdale	4 hr
Feb 19, 7:21 AM CST	Flash Flood Warning	BMX	Lawrence, Limestone, Morgan	3 hr
Feb 19, 7:21 AM CST	Flash Flood Warning	BMX	Madison	3 hr
Feb 19, 10:35 AM CST	Flash Flood Warning	BMX	Colbert, Franklin, Lawrence	6 hr
Feb 19, 10:35 AM CST	Flash Flood Warning	BMX	Limestone, Madison, Morgan	6 hr
Feb 19, 10:35 AM CST	Flash Flood Warning	BMX	Lauderdale	6 hr
Feb 19, 12:05 PM CST	Severe Thunderstorm Warning	BMX	Jefferson	40 min
Feb 19, 4:24 PM CST	Flash Flood Warning	BMX	DeKalb, Jackson, Marshall	4 hr

Nearby

Flash Flood Warnings in Alabama, 1991 Every flash flood warning in 1991

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.