Alert archive / Alabama / Flash Flood Warnings in 2022

Flash Flood Warning 30, NWS Huntsville, AL

July 29, 2022DeKalb County, Alabama

NWS Huntsville, AL issued this flash flood warning at Jul 29, 2022, 7:58 PM CDT for DeKalb County, Alabama. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 29, 2022, 7:58 PM CDT (00:58 UTC)
Expired
Jul 29, 2022, 11:00 PM CDT
In force
3 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

County DeKalb County, AL

The radar

The Northeast Alabama radar (KHTX), 58 km from the middle of the area, began a volume at 01:00 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.

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.

NWS Huntsville, AL wrote its last area forecast discussion before this flash flood warning went out at Jul 29, 6:43 PM CDT, 1 hour 15 minutes earlier.

Area forecast discussion, Jul 29, 6:43 PM CDT, 1 hour 15 minutes before
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Hazardous weather outlook, Jul 29, 6:31 PM CDT, 1 hour 27 minutes before
Hazardous Weather Outlook
National Weather Service Huntsville AL
631 PM CDT Fri Jul 29 2022

ALZ001>010-016-TNZ076-096-097-302345-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN-
631 PM CDT Fri Jul 29 2022

This Hazardous Weather Outlook is for north central Alabama,
northeast Alabama, northwest Alabama and southern middle Tennessee.

.DAY ONE...Tonight.

Scattered to more widespread showers and thunderstorms this evening,
mainly south of the Tenneseee River will decrease in coverage overnight
as a front approaches the area form the northwest. Locally heavy
rainfall could lead to isolated flooding concerns for the areas that
see heavier rainfall. The strongest storms could produce wind gusts
to around 55 mph, small hail, and frequent lightning.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

This weekend, a slow moving cold front will drop south and possibly
stall across the area. This will produce numerous to widespread
showers and thunderstorms at times with heavy rainfall possible.
Repeated heavy rainfall in some areas may result in localized
flooding. Gusty winds will be a possible threat with storms over the
weekend.

Isolated to scattered afternoon and evening thunderstorms are
forecast next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 29, 6:09 PM CDT, 1 hour 49 minutes before
Special Weather Statement
National Weather Service Huntsville AL
609 PM CDT Fri Jul 29 2022

ALZ010-292345-
DeKalb AL-
609 PM CDT Fri Jul 29 2022

...A strong thunderstorm will impact portions of southwestern DeKalb
County through 645 PM CDT...

At 608 PM CDT, Doppler radar was tracking a strong thunderstorm near
Crossville, or 14 miles south of Rainsville. This storm was nearly
stationary.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Crossville, Geraldine, Lebanon, Peeks Corner, Skirum and Collbran.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3426 8577 3426 8581 3424 8581 3424 8584
      3420 8585 3420 8594 3421 8601 3437 8602
      3441 8578
TIME...MOT...LOC 2308Z 268DEG 3KT 3430 8593

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

RSB
Special weather statement, Jul 29, 6:59 PM CDT, 59 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 7:10 PM CDTSpecial Weather StatementHUNMarshall50 min
Jul 29, 7:13 PM CDTSpecial Weather StatementHUNFranklin47 min
Jul 29, 7:16 PM CDTSevere Thunderstorm WarningHUNDeKalb29 min
Jul 29, 7:47 PM CDTSpecial Weather StatementHUNMarshall43 min
Jul 29, 7:51 PM CDTSevere Thunderstorm WarningHUNMarshall24 min
Jul 29, 7:54 PM CDTSpecial Weather StatementHUNDeKalb21 min
Jul 29, 8:09 PM CDTSpecial Weather StatementHUNMarshall51 min
Jul 29, 8:55 PM CDTSpecial Weather StatementHUNDeKalb35 min
Jul 29, 11:06 PM CDTAreal Flood WarningHUNDeKalb3 hr
Jul 30, 2:28 PM CDTSpecial Weather StatementHUNLawrence32 min
Jul 30, 2:32 PM CDTSpecial Weather StatementHUNLauderdale28 min
Jul 30, 2:40 PM CDTSevere Thunderstorm WarningHUNLawrence, Morgan18 min
Jul 30, 3:19 PM CDTSpecial Weather StatementHUNCullman26 min
Jul 30, 3:25 PM CDTSpecial Weather StatementHUNLauderdale35 min
Jul 30, 4:07 PM CDTSpecial Weather StatementHUNCullman23 min
Jul 30, 3:31 PM CDTSpecial Weather StatementHUNLincoln29 min
Jul 30, 3:44 PM CDTSpecial Weather StatementHUNFranklin31 min
Jul 30, 3:53 PM CDTSpecial Weather StatementHUNLincoln37 min

Nearby

Flash Flood Warnings in Alabama, 2022Every flash flood warning in 2022

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.