Alert archive / Alabama / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

February 26, 2018Clarke County, Washington County, Alabama

NWS Mobile, AL issued this special weather statement at Feb 26, 2018, 12:53 AM CST for Clarke County, Washington County, Alabama. It was in force for 67 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: Feb 26, 2018, 12:53 AM CST (06:53 UTC)
Expired: Feb 26, 2018, 2:00 AM CST
In force: 67 min
Issued by: NWS Mobile, AL

Counties Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 70 km from the middle of the area, began a volume at 06:54 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

Jackson, MS (KJAN), launched 00:00Z, 6.9 hours before the alert went out and 207 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: 708 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: -42 m²/s²
0-3 km storm-relative helicity: 36 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 Mobile, AL wrote its last area forecast discussion before this special weather statement went out at Feb 25, 11:58 PM CST, 55 minutes earlier.

Area forecast discussion, Feb 25, 11:58 PM CST, 55 minutes before

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Hazardous weather outlook, Feb 25, 2:49 PM CST, 10 hours 4 minutes before

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In the hours before

Special weather statement, Feb 25, 11:53 PM CST, 1 hour before

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Special weather statement, Feb 26, 12:53 AM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 26, 1:58 AM CST	Special Weather Statement	MOB	Monroe	62 min
Feb 26, 2:58 AM CST	Special Weather Statement	MOB	Conecuh	62 min
Feb 25, 11:53 PM CST	Special Weather Statement	MOB	Greene, Perry, Wayne	52 min
Feb 26, 11:03 AM CST	River Flood Warning	MOB	George, Greene, Wayne	7 days

Nearby

Special Weather Statements in Alabama, 2018 Every special weather statement in 2018

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.