Alert archive / Alabama / Special Weather Statements in 2022

Special Weather Statement, NWS Huntsville, AL

July 6, 2022DeKalb County, Alabama

NWS Huntsville, AL issued this special weather statement at Jul 6, 2022, 7:21 PM CDT for DeKalb County, Alabama. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2022, 7:21 PM CDT (00:21 UTC)
Expired
Jul 6, 2022, 7:45 PM CDT
In force
24 min
Issued by
NWS Huntsville, AL
Hail
0.00 in
Wind
30

County DeKalb County, AL

The radar

The Northeast Alabama radar (KHTX), 50 km from the middle of the area, began a volume at 00:22 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.4 hours before the alert went out and 195 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2022-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2785 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2022-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2785 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 6, 6:46 PM CDT, 35 minutes earlier.

Area forecast discussion, Jul 6, 6:46 PM CDT, 35 minutes before
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Hazardous weather outlook, Jul 6, 3:22 PM CDT, 3 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Huntsville AL
322 PM CDT Wed Jul 6 2022

ALZ001-002-005-006-TNZ076-096-072030-
Lauderdale-Colbert-Limestone-Madison-Moore-Lincoln-
322 PM CDT Wed Jul 6 2022

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM CDT FRIDAY...

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

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Excessive Heat Warning.

Heat indices will exceed 110 degrees for areas north of the
Tennessee River and west of Huntsville this afternoon. An
excessive heat warning has been issued.

Isolated storms will be possible through this evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Excessive Heat Warning.

Heat indices will exceed 110 degrees for areas north of the
Tennessee River and west of Huntsville Thursday and Friday. An
excessive heat warning has been issued through Friday evening.

Scattered thunderstorms will be possible each afternoon and evening
through Wednesday. A few storms on Thursday could be strong to
severe, with damaging winds being the primary concern.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ALZ003-004-007>010-016-TNZ097-072030-
Franklin AL-Lawrence-Morgan-Marshall-Jackson-DeKalb-Cullman-
Franklin TN-
322 PM CDT Wed Jul 6 2022

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY...

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

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Heat indices will approach or exceed heat advisory criteria of 105
this afternoon. A heat advisory remains in effect.

Isolated storms will be possible through this evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

Heat indices will approach or exceed heat advisory criteria of 105
degrees each afternoon for much of the week. A Heat Advisory has
been through Friday evening. Afternoon heat indices to 109 degrees
are possible each day.

Scattered thunderstorms will be possible each afternoon and evening
through Wednesday. A few storms on Thursday could be strong to
severe, with damaging winds being the primary concern.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 6, 6:03 PM CDT, 1 hour 18 minutes before
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Special weather statement, Jul 6, 6:13 PM CDT, 1 hour 8 minutes before
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Special weather statement, Jul 6, 6:17 PM CDT, 1 hour 4 minutes before
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Special weather statement, Jul 6, 6:47 PM CDT, 34 minutes before
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Special weather statement, Jul 6, 6:53 PM CDT, 28 minutes before
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Special weather statement, Jul 6, 7:21 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 7:32 PM CDTSpecial Weather StatementHUNMadison28 min
Jul 6, 7:42 PM CDTSpecial Weather StatementHUNDeKalb18 min
Jul 6, 7:48 PM CDTSpecial Weather StatementHUNDeKalb27 min
Jul 6, 8:10 PM CDTSpecial Weather StatementHUNDeKalb35 min
Jul 7, 2:04 PM CDTSpecial Weather StatementHUNJackson26 min
Jul 7, 2:31 PM CDTSpecial Weather StatementHUNJackson44 min
Jul 7, 2:59 PM CDTSpecial Weather StatementHUNJackson31 min
Jul 7, 3:15 PM CDTSpecial Weather StatementHUNMadison45 min
Jul 7, 3:19 PM CDTSpecial Weather StatementHUNDeKalb41 min
Jul 7, 3:26 PM CDTSpecial Weather StatementHUNMarshall49 min
Jul 7, 3:59 PM CDTSpecial Weather StatementHUNMarshall46 min
Jul 7, 5:10 PM CDTSpecial Weather StatementHUNMarshall50 min
Jul 7, 6:07 PM CDTSpecial Weather StatementHUNCullman23 min
Jul 7, 3:44 PM CDTSpecial Weather StatementHUNLincoln46 min
Jul 7, 4:21 PM CDTSevere Thunderstorm WarningHUNLincoln, Moore39 min
Jul 7, 4:58 PM CDTSpecial Weather StatementHUNLincoln, Moore47 min

Nearby

Special Weather Statements in Alabama, 2022Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.