Alert archive / Alabama / Special Weather Statements in 2011

Special Weather Statement, NWS Huntsville, AL

June 17, 2011Jackson County, Alabama

NWS Huntsville, AL issued this special weather statement at Jun 17, 2011, 2:08 AM CDT for Jackson County, Alabama. It was in force for 37 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: Jun 17, 2011, 2:08 AM CDT (07:08 UTC)
Expired: Jun 17, 2011, 2:45 AM CDT
In force: 37 min
Issued by: NWS Huntsville, AL

County Jackson County, AL

The radar

The Northeast Alabama radar (KHTX), 46 km from the middle of the area, began a volume at 07:11 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, 7.1 hours before the alert went out and 162 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: 2415 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1807 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: -18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

825 
WWUS84 KHUN 170708
SPSHUN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
208 AM CDT FRI JUN 17 2011

ALZ008>010-170745-
DE KALB-JACKSON-MARSHALL-
208 AM CDT FRI JUN 17 2011

...SIGNIFICANT WEATHER ADVISORY FOR DEKALB...JACKSON AND MARSHALL
COUNTIES UNTIL 245 AM CDT...

AT 208 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR COLUMBUS CITY...OR 10 MILES NORTHEAST OF
GUNTERSVILLE...MOVING NORTHEAST AT 30 MPH.

NICKEL SIZE HAIL...WIND GUSTS UP TO 50 MPH...AND DEADLY CLOUD TO 
GROUND LIGHTNING STRIKES ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  LANGSTON.
  SCOTTSBORO...SECTION.
  POWELL...SHILOH.
  DUTTON...PISGAH.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3434 8622 3452 8633 3454 8631 3482 8582
      3455 8565
TIME...MOT...LOC 0708Z 240DEG 24KT 3449 8618

$$

70/DD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:33 AM CDT	Severe Thunderstorm Warning	HUN	Limestone, Madison, Morgan	42 min
Jun 17, 12:37 AM CDT	Special Weather Statement	HUN	Lauderdale, Lawrence	38 min
Jun 17, 12:43 AM CDT	Severe Thunderstorm Warning	HUN	Colbert, Cullman, Lauderdale, Lawrence, Limestone, Morgan	47 min
Jun 17, 12:50 AM CDT	Severe Thunderstorm Warning	HUN	Cullman, Morgan	40 min
Jun 17, 1:21 AM CDT	Special Weather Statement	HUN	Marshall	24 min
Jun 17, 1:40 AM CDT	Special Weather Statement	HUN	Marshall	35 min
Jun 17, 2:51 AM CDT	Special Weather Statement	HUN	DeKalb	39 min
Jun 17, 8:08 AM CDT	Special Weather Statement	HUN	Madison	52 min
Jun 17, 8:34 AM CDT	Special Weather Statement	HUN	Morgan	41 min
Jun 17, 9:03 AM CDT	Special Weather Statement	HUN	Morgan	42 min
Jun 17, 9:48 AM CDT	Special Weather Statement	HUN	Morgan	42 min
Jun 17, 9:54 AM CDT	Special Weather Statement	HUN	DeKalb	51 min
Jun 17, 10:31 AM CDT	Special Weather Statement	HUN	Marshall	44 min
Jun 17, 11:20 AM CDT	Special Weather Statement	HUN	Cullman	40 min
Jun 17, 1:48 AM CDT	Special Weather Statement	HUN	Lincoln	27 min

Nearby

Special Weather Statements in Alabama, 2011 Every special weather statement in 2011

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.