Alert archive / Alabama / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 207, NWS Huntsville, AL

November 28, 2005Jackson County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Nov 28, 2005, 3:43 PM CST for Jackson County, Alabama. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Nov 28, 2005, 3:43 PM CST (21:43 UTC)
Expired: Nov 28, 2005, 4:15 PM CST
In force: 32 min
Issued by: NWS Huntsville, AL
Area: Counties, with a storm outline in the text

County Jackson County, AL

The radar

The Northeast Alabama radar (KHTX), 19 km from the middle of the area, began a volume at 21:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 28, 9:55 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.7 hours before the alert went out and 160 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 681 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 390 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Nov 28, 2:55 PM CST, 48 minutes earlier.

Area forecast discussion, Nov 28, 2:55 PM CST, 48 minutes before

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Hazardous weather outlook, Nov 28, 1:20 PM CST, 2 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HUNTSVILLE AL
120 PM CST MON NOV 28 2005

ALZ001>010-016-TNZ076-096-097-291100-
COLBERT-CULLMAN-DE KALB-FRANKLIN AL-FRANKLIN TN-JACKSON-LAUDERDALE-
LAWRENCE-LIMESTONE-LINCOLN-MADISON-MARSHALL-MOORE-MORGAN-
120 PM CST MON NOV 28 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PARTS OF
SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...(THROUGH TONIGHT)...

LOW PRESSURE WILL CONTINUE TO PUSH A COLD FRONT THROUGH NORTH
ALABAMA DURING THE MID AFTERNOON. THE FRONT HAS ALREADY CLEARED
NORTHWEST ALABAMA...ENDING THE SEVERE WEATHER THREAT FOR THAT AREA. A
LINE OF THUNDERSTORMS JUST AHEAD OF THE COLD FRONT WILL CONTINUE TO
DEVELOP AND PUSH EASTWARD AS THE AFTERNOON PROGRESSES.

WIDESPREAD SEVERE WEATHER IS STILL NOT ANTICIPATED. HOWEVER...
ENOUGH INSTABILITY IS IN PLACE FOR SOME STORMS TO BECOME SEVERE.
DAMAGING STRAIGHT LINE WINDS AND ISOLATED TORNADOES WILL CONTINUE TO
BE THE PRIMARY THREATS.

AFTER THE FRONT CLEARS THE AREA THIS EVENING...DRIER AND SLIGHTLY
COOLER AIR WILL BEGIN TO MOVE BACK INTO THE REGION.

.DAYS TWO THROUGH SEVEN...(TUESDAY THROUGH SUNDAY)...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
REQUESTED FOR ONGOING TORNADO WATCHES.

20

In the hours before

Special weather statement, Nov 28, 2:53 PM CST, 50 minutes before

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Special weather statement, Nov 28, 3:06 PM CST, 37 minutes before

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Special weather statement, Nov 28, 3:30 PM CST, 13 minutes before

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Special weather statement, Nov 28, 3:31 PM CST, 12 minutes before

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Special weather statement, Nov 28, 3:35 PM CST, 8 minutes before

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Local storm report, Nov 28, 3:36 PM CST, 7 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 28, 1:00 AM CST	Wind Advisory	HUN	Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more	15 hr
Nov 28, 12:22 PM CST	Tornado Warning	HUN	Limestone	23 min
Nov 28, 1:35 PM CST	Severe Thunderstorm Warning	HUN	Cullman	25 min
Nov 28, 1:41 PM CST	Tornado Warning	HUN	Cullman	19 min
Nov 28, 1:59 PM CST	Tornado Warning	HUN	Cullman, Morgan	31 min
Nov 28, 3:11 PM CST	Severe Thunderstorm Warning	HUN	Jackson	34 min
Nov 28, 2:25 PM CST	Severe Thunderstorm Warning	HUN	Lincoln, Moore	20 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2005 Every severe thunderstorm warning in 2005

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.